Update version to 1.9.8

Extend onvif server to support Unifi Protect

.github/workflows/build.yml

@@ -15,126 +15,151 @@ jobs:
     env: { CGO_ENABLED: 0 }
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Go
-        uses: actions/setup-go@v4
-        with: { go-version: '1.21' }
+        uses: actions/setup-go@v5
+        with: { go-version: '1.22' }
 
       - name: Build go2rtc_win64
         env: { GOOS: windows, GOARCH: amd64 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_win64
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_win64, path: go2rtc.exe }
 
       - name: Build go2rtc_win32
-        env: { GOOS: windows, GOARCH: 386 }
+        env: { GOOS: windows, GOARCH: 386, GOTOOLCHAIN: go1.20.14 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_win32
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_win32, path: go2rtc.exe }
 
       - name: Build go2rtc_win_arm64
         env: { GOOS: windows, GOARCH: arm64 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_win_arm64
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_win_arm64, path: go2rtc.exe }
 
       - name: Build go2rtc_linux_amd64
         env: { GOOS: linux, GOARCH: amd64 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_linux_amd64
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_linux_amd64, path: go2rtc }
 
       - name: Build go2rtc_linux_i386
         env: { GOOS: linux, GOARCH: 386 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_linux_i386
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_linux_i386, path: go2rtc }
 
       - name: Build go2rtc_linux_arm64
         env: { GOOS: linux, GOARCH: arm64 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_linux_arm64
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_linux_arm64, path: go2rtc }
 
       - name: Build go2rtc_linux_arm
         env: { GOOS: linux, GOARCH: arm, GOARM: 7 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_linux_arm
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_linux_arm, path: go2rtc }
 
       - name: Build go2rtc_linux_armv6
         env: { GOOS: linux, GOARCH: arm, GOARM: 6 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_linux_armv6
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_linux_armv6, path: go2rtc }
 
       - name: Build go2rtc_linux_mipsel
         env: { GOOS: linux, GOARCH: mipsle }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_linux_mipsel
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_linux_mipsel, path: go2rtc }
 
       - name: Build go2rtc_mac_amd64
-        env: { GOOS: darwin, GOARCH: amd64 }
+        env: { GOOS: darwin, GOARCH: amd64, GOTOOLCHAIN: go1.20.14 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_mac_amd64
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_mac_amd64, path: go2rtc }
 
       - name: Build go2rtc_mac_arm64
         env: { GOOS: darwin, GOARCH: arm64 }
         run: go build -ldflags "-s -w" -trimpath
       - name: Upload go2rtc_mac_arm64
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: { name: go2rtc_mac_arm64, path: go2rtc }
 
+      - name: Build go2rtc_freebsd_amd64
+        env: { GOOS: freebsd, GOARCH: amd64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_freebsd_amd64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_freebsd_amd64, path: go2rtc }
+
+      - name: Build go2rtc_freebsd_arm64
+        env: { GOOS: freebsd, GOARCH: arm64 }
+        run: go build -ldflags "-s -w" -trimpath
+      - name: Upload go2rtc_freebsd_arm64
+        uses: actions/upload-artifact@v3
+        with: { name: go2rtc_freebsd_arm64, path: go2rtc }
+
   docker-master:
     name: Build docker master
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
-          images: ${{ github.repository }}
+          images: |
+            ${{ github.repository }}
+            ghcr.io/${{ github.repository }}
           tags: |
             type=ref,event=branch
             type=semver,pattern={{version}},enable=false
             type=match,pattern=v(.*),group=1
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to DockerHub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Login to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           platforms: |
             linux/amd64
             linux/386
+            linux/arm/v6
             linux/arm/v7
             linux/arm64/v8
           push: ${{ github.event_name != 'pull_request' }}
@@ -148,36 +173,46 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Docker meta
         id: meta-hw
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
-          images: ${{ github.repository }}
+          images: |
+            ${{ github.repository }}
+            ghcr.io/${{ github.repository }}
           flavor: |
-            suffix=-hardware
-            latest=false
+            suffix=-hardware,onlatest=true
+            latest=auto
           tags: |
             type=ref,event=branch
             type=semver,pattern={{version}},enable=false
             type=match,pattern=v(.*),group=1
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to DockerHub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+      - name: Login to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: hardware.Dockerfile

.github/workflows/gh-pages.yml

@@ -25,13 +25,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Pages
-        uses: actions/configure-pages@v3
+        uses: actions/configure-pages@v4
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: './website'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4

.github/workflows/test.yml

@@ -21,12 +21,12 @@ jobs:
       GOARCH: ${{ matrix.arch }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v5
         with:
-          go-version: '1.21'
+          go-version: '1.22'
 
       - name: Build Go binary
         run: go build -ldflags "-s -w" -trimpath -o ./go2rtc
@@ -70,13 +70,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       - name: Build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           platforms: linux/${{ matrix.platform }}
@@ -89,7 +89,7 @@ jobs:
 
       - name: Build and push Hardware
         if: matrix.platform == 'amd64'
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: hardware.Dockerfile

.gitignore

@@ -4,4 +4,10 @@
 go2rtc.yaml
 go2rtc.json
 
+go2rtc_linux*
+go2rtc_mac*
+go2rtc_win*
+
 0_test.go
+
+.DS_Store

Dockerfile

@@ -2,14 +2,19 @@
 
 # 0. Prepare images
 ARG PYTHON_VERSION="3.11"
-ARG GO_VERSION="1.21"
-ARG NGROK_VERSION="3"
-
-FROM python:${PYTHON_VERSION}-alpine AS base
-FROM ngrok/ngrok:${NGROK_VERSION}-alpine AS ngrok
+ARG GO_VERSION="1.22"
 
 
-# 1. Build go2rtc binary
+# 1. Download ngrok binary (for support arm/v6)
+FROM alpine AS ngrok
+ARG TARGETARCH
+ARG TARGETOS
+
+ADD https://bin.equinox.io/c/bNyj1mQVY4c/ngrok-v3-stable-${TARGETOS}-${TARGETARCH}.tgz /
+RUN tar -xzf /ngrok-v3-stable-${TARGETOS}-${TARGETARCH}.tgz -C /bin
+
+
+# 2. Build go2rtc binary
 FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS build
 ARG TARGETPLATFORM
 ARG TARGETOS
@@ -20,6 +25,8 @@ ENV GOARCH=${TARGETARCH}
 
 WORKDIR /build
 
+RUN apk add git
+
 # Cache dependencies
 COPY go.mod go.sum ./
 RUN --mount=type=cache,target=/root/.cache/go-build go mod download
@@ -28,15 +35,8 @@ COPY . .
 RUN --mount=type=cache,target=/root/.cache/go-build CGO_ENABLED=0 go build -ldflags "-s -w" -trimpath
 
 
-# 2. Collect all files
-FROM scratch AS rootfs
-
-COPY --from=build /build/go2rtc /usr/local/bin/
-COPY --from=ngrok /bin/ngrok /usr/local/bin/
-
-
 # 3. Final image
-FROM base
+FROM python:${PYTHON_VERSION}-alpine AS base
 
 # Install ffmpeg, tini (for signal handling),
 # and other common tools for the echo source.
@@ -54,7 +54,8 @@ RUN if [ "${TARGETARCH}" = "amd64" ]; then apk add --no-cache libva-intel-driver
 # Hardware: AMD and NVidia VDPAU (not sure about this)
 # RUN libva-vdpau-driver mesa-vdpau-gallium (+150MB total)
 
-COPY --from=rootfs / /
+COPY --from=build /build/go2rtc /usr/local/bin/
+COPY --from=ngrok /bin/ngrok /usr/local/bin/
 
 ENTRYPOINT ["/sbin/tini", "--"]
 VOLUME /config

README.md

@@ -1,9 +1,12 @@
-# go2rtc
+<h1 align="center">
 
-[![](https://img.shields.io/github/stars/AlexxIT/go2rtc?style=flat-square&logo=github)](https://github.com/AlexxIT/go2rtc/stargazers) 
-[![](https://img.shields.io/docker/pulls/alexxit/go2rtc?style=flat-square&logo=docker&logoColor=white&label=pulls)](https://hub.docker.com/r/alexxit/go2rtc) 
-[![](https://img.shields.io/github/downloads/AlexxIT/go2rtc/total?color=blue&style=flat-square&logo=github)](https://github.com/AlexxIT/go2rtc/releases)
-[![](https://goreportcard.com/badge/github.com/AlexxIT/go2rtc)](https://goreportcard.com/report/github.com/AlexxIT/go2rtc)
+  ![go2rtc](assets/logo.gif)
+  <br>
+  [![stars](https://img.shields.io/github/stars/AlexxIT/go2rtc?style=flat-square&logo=github)](https://github.com/AlexxIT/go2rtc/stargazers) 
+  [![docker pulls](https://img.shields.io/docker/pulls/alexxit/go2rtc?style=flat-square&logo=docker&logoColor=white&label=pulls)](https://hub.docker.com/r/alexxit/go2rtc) 
+  [![releases](https://img.shields.io/github/downloads/AlexxIT/go2rtc/total?color=blue&style=flat-square&logo=github)](https://github.com/AlexxIT/go2rtc/releases)
+  [![goreport](https://goreportcard.com/badge/github.com/AlexxIT/go2rtc)](https://goreportcard.com/report/github.com/AlexxIT/go2rtc)
+</h1>
 
 Ultimate camera streaming application with support RTSP, WebRTC, HomeKit, FFmpeg, RTMP, etc.
 
@@ -34,6 +37,7 @@ Ultimate camera streaming application with support RTSP, WebRTC, HomeKit, FFmpeg
 - [GStreamer](https://gstreamer.freedesktop.org/) framework pipeline idea
 - [MediaSoup](https://mediasoup.org/) framework routing idea
 - HomeKit Accessory Protocol from [@brutella](https://github.com/brutella/hap)
+- creator of the project's logo [@v_novoseltsev](https://www.instagram.com/v_novoseltsev) 
 
 ---
 
@@ -111,8 +115,8 @@ Ultimate camera streaming application with support RTSP, WebRTC, HomeKit, FFmpeg
 
 Download binary for your OS from [latest release](https://github.com/AlexxIT/go2rtc/releases/):
 
-- `go2rtc_win64.zip` - Windows 64-bit
-- `go2rtc_win32.zip` - Windows 32-bit
+- `go2rtc_win64.zip` - Windows 10+ 64-bit
+- `go2rtc_win32.zip` - Windows 7+ 32-bit
 - `go2rtc_win_arm64.zip` - Windows ARM 64-bit
 - `go2rtc_linux_amd64` - Linux 64-bit
 - `go2rtc_linux_i386` - Linux 32-bit
@@ -120,14 +124,14 @@ Download binary for your OS from [latest release](https://github.com/AlexxIT/go2
 - `go2rtc_linux_arm` - Linux ARM 32-bit (ex. Raspberry 32-bit OS)
 - `go2rtc_linux_armv6` - Linux ARMv6 (for old Raspberry 1 and Zero)
 - `go2rtc_linux_mipsel` - Linux MIPS (ex. [Xiaomi Gateway 3](https://github.com/AlexxIT/XiaomiGateway3), [Wyze cameras](https://github.com/gtxaspec/wz_mini_hacks))
-- `go2rtc_mac_amd64.zip` - Mac Intel 64-bit
-- `go2rtc_mac_arm64.zip` - Mac ARM 64-bit
+- `go2rtc_mac_amd64.zip` - macOS 10.13+ Intel 64-bit
+- `go2rtc_mac_arm64.zip` - macOS ARM 64-bit
 
 Don't forget to fix the rights `chmod +x go2rtc_xxx_xxx` on Linux and Mac.
 
 ### go2rtc: Docker
 
-Container [alexxit/go2rtc](https://hub.docker.com/r/alexxit/go2rtc) with support `amd64`, `386`, `arm64`, `arm`. This container is the same as [Home Assistant Add-on](#go2rtc-home-assistant-add-on), but can be used separately from Home Assistant. Container has preinstalled [FFmpeg](#source-ffmpeg), [ngrok](#module-ngrok) and [Python](#source-echo).
+The Docker container [`alexxit/go2rtc`](https://hub.docker.com/r/alexxit/go2rtc) supports multiple architectures including `amd64`, `386`, `arm64`, and `arm`. This container offers the same functionality as the [Home Assistant Add-on](#go2rtc-home-assistant-add-on) but is designed to operate independently of Home Assistant. It comes preinstalled with [FFmpeg](#source-ffmpeg), [ngrok](#module-ngrok), and [Python](#source-echo).
 
 ### go2rtc: Home Assistant Add-on
 
@@ -146,13 +150,13 @@ Container [alexxit/go2rtc](https://hub.docker.com/r/alexxit/go2rtc) with support
 
 Latest, but maybe unstable version:
 
-- Binary: GitHub > [Actions](https://github.com/AlexxIT/go2rtc/actions) > [Build and Push](https://github.com/AlexxIT/go2rtc/actions/workflows/build.yml) > latest run > Artifacts section (you should be logged in to GitHub)
+- Binary: [latest nightly release](https://nightly.link/AlexxIT/go2rtc/workflows/build/master)
 - Docker: `alexxit/go2rtc:master` or `alexxit/go2rtc:master-hardware` versions
 - Hass Add-on: `go2rtc master` or `go2rtc master hardware` versions
 
 ## Configuration
 
-- by default go2rtc will search `go2rtc.yaml` in the current work dirrectory
+- by default go2rtc will search `go2rtc.yaml` in the current work directory
 - `api` server will start on default **1984 port** (TCP)
 - `rtsp` server will start on default **8554 port** (TCP)
 - `webrtc` will use port **8555** (TCP/UDP) for connections
@@ -166,7 +170,7 @@ Available modules:
 - [api](#module-api) - HTTP API (important for WebRTC support)
 - [rtsp](#module-rtsp) - RTSP Server (important for FFmpeg support)
 - [webrtc](#module-webrtc) - WebRTC Server
-- [mp4](#module-mp4) - MSE, MP4 stream and MP4 shapshot Server
+- [mp4](#module-mp4) - MSE, MP4 stream and MP4 snapshot Server
 - [hls](#module-hls) - HLS TS or fMP4 stream Server
 - [mjpeg](#module-mjpeg) - MJPEG Server
 - [ffmpeg](#source-ffmpeg) - FFmpeg integration
@@ -213,6 +217,7 @@ Supported for sources:
 - [TP-Link Tapo](#source-tapo) cameras
 - [Hikvision ISAPI](#source-isapi) cameras
 - [Roborock vacuums](#source-roborock) models with cameras
+- [Exec](#source-exec) audio on server
 - [Any Browser](#incoming-browser) as IP-camera
 
 Two way audio can be used in browser with [WebRTC](#module-webrtc) technology. The browser will give access to the microphone only for HTTPS sites ([read more](https://stackoverflow.com/questions/52759992/how-to-access-camera-and-microphone-in-chrome-without-https)).
@@ -230,7 +235,7 @@ streams:
   amcrest_doorbell:
     - rtsp://username:password@192.168.1.123:554/cam/realmonitor?channel=1&subtype=0#backchannel=0
   unifi_camera: rtspx://192.168.1.123:7441/fD6ouM72bWoFijxK
-  glichy_camera: ffmpeg:rstp://username:password@192.168.1.123/live/ch00_1 
+  glichy_camera: ffmpeg:rtsp://username:password@192.168.1.123/live/ch00_1 
 ```
 
 **Recommendations**
@@ -265,7 +270,7 @@ streams:
 
 #### Source: RTMP
 
-You can get stream from RTMP server, for example [Frigate](https://docs.frigate.video/configuration/rtmp).
+You can get stream from RTMP server, for example [Nginx with nginx-rtmp-module](https://github.com/arut/nginx-rtmp-module).
 
 ```yaml
 streams:
@@ -403,20 +408,31 @@ Exec source can run any external application and expect data from it. Two transp
 
 If you want to use **RTSP** transport - the command must contain the `{output}` argument in any place. On launch, it will be replaced by the local address of the RTSP server.
 
-**pipe** reads data from app stdout in different formats: **MJPEG**, **H.264/H.265 bitstream**, **MPEG-TS**.
+**pipe** reads data from app stdout in different formats: **MJPEG**, **H.264/H.265 bitstream**, **MPEG-TS**. Also pipe can write data to app stdin in two formats: **PCMA** and **PCM/48000**.
 
 The source can be used with:
 
 - [FFmpeg](https://ffmpeg.org/) - go2rtc ffmpeg source just a shortcut to exec source
+- [FFplay](https://ffmpeg.org/ffplay.html) - play audio on your server
 - [GStreamer](https://gstreamer.freedesktop.org/)
 - [Raspberry Pi Cameras](https://www.raspberrypi.com/documentation/computers/camera_software.html)
 - any your own software
 
+Pipe commands support parameters (format: `exec:{command}#{param1}#{param2}`):
+
+- `killsignal` - signal which will be send to stop the process (numeric form)
+- `killtimeout` - time in seconds for forced termination with sigkill
+- `backchannel` - enable backchannel for two-way audio
+
 ```yaml
 streams:
   stream: exec:ffmpeg -re -i /media/BigBuckBunny.mp4 -c copy -rtsp_transport tcp -f rtsp {output}
   picam_h264: exec:libcamera-vid -t 0 --inline -o -
   picam_mjpeg: exec:libcamera-vid -t 0 --codec mjpeg -o -
+  pi5cam_h264: exec:libcamera-vid -t 0 --libav-format h264 -o -
+  canon: exec:gphoto2 --capture-movie --stdout#killsignal=2#killtimeout=5
+  play_pcma: exec:ffplay -fflags nobuffer -f alaw -ar 8000 -i -#backchannel=1
+  play_pcm48k: exec:ffplay -fflags nobuffer -f s16be -ar 48000 -i -#backchannel=1
 ```
 
 #### Source: Echo
@@ -537,11 +553,16 @@ echo -n "cloud password" | shasum -a 256 | awk '{print toupper($0)}'
 
 [TP-Link Kasa](https://www.kasasmart.com/) non-standard protocol [more info](https://medium.com/@hu3vjeen/reverse-engineering-tp-link-kc100-bac4641bf1cd).
 
+- `username` - urlsafe email, `alex@gmail.com` -> `alex%40gmail.com`
+- `password` - base64password, `secret1` -> `c2VjcmV0MQ==`
+
 ```yaml
 streams:
-  kasa: kasa://user:pass@192.168.1.123:19443/https/stream/mixed
+  kc401: kasa://username:password@192.168.1.123:19443/https/stream/mixed
 ```
 
+Tested: KD110, KC200, KC401, KC420WS, EC71.
+
 #### Source: GoPro
 
 *[New in v1.8.3](https://github.com/AlexxIT/go2rtc/releases/tag/v1.8.3)*
@@ -579,7 +600,7 @@ streams:
 
 Any cameras in WebRTC format are supported. But at the moment Home Assistant only supports some [Nest](https://www.home-assistant.io/integrations/nest/) cameras in this fomat.
 
-The Nest API only allows you to get a link to a stream for 5 minutes. So every 5 minutes the stream will be reconnected.
+**Important.** The Nest API only allows you to get a link to a stream for 5 minutes. Do not use this with Frigate! If the stream expires, Frigate will consume all available ram on your machine within seconds. It's recommended to use [Nest source](#source-nest) - it supports extending the stream.
 
 ```yaml
 streams:
@@ -610,7 +631,7 @@ streams:
 
 *[New in v1.6.0](https://github.com/AlexxIT/go2rtc/releases/tag/v1.6.0)*
 
-Currently only WebRTC cameras are supported. Stream reconnects every 5 minutes.
+Currently only WebRTC cameras are supported.
 
 For simplicity, it is recommended to connect the Nest/WebRTC camera to the [Home Assistant](#source-hass). But if you can somehow get the below parameters - Nest/WebRTC source will work without Hass.
 
@@ -627,10 +648,11 @@ This source type support Roborock vacuums with cameras. Known working models:
 
 - Roborock S6 MaxV - only video (the vacuum has no microphone)
 - Roborock S7 MaxV - video and two way audio
+- Roborock Qrevo MaxV - video and two way audio
 
-Source support load Roborock credentials from Home Assistant [custom integration](https://github.com/humbertogontijo/homeassistant-roborock). Otherwise, you need to log in to your Roborock account (MiHome account is not supported). Go to: go2rtc WebUI > Add webpage. Copy `roborock://...` source for your vacuum and paste it to `go2rtc.yaml` config.
+Source support load Roborock credentials from Home Assistant [custom integration](https://github.com/humbertogontijo/homeassistant-roborock) or the [core integration](https://www.home-assistant.io/integrations/roborock). Otherwise, you need to log in to your Roborock account (MiHome account is not supported). Go to: go2rtc WebUI > Add webpage. Copy `roborock://...` source for your vacuum and paste it to `go2rtc.yaml` config.
 
-If you have graphic pin for your vacuum - add it as numeric pin (lines: 123, 456, 678) to the end of the roborock-link.
+If you have graphic pin for your vacuum - add it as numeric pin (lines: 123, 456, 789) to the end of the roborock-link.
 
 #### Source: WebRTC
 
@@ -640,7 +662,7 @@ This source type support four connection formats.
 
 **whep**
 
-[WebRTC/WHEP](https://www.ietf.org/id/draft-murillo-whep-02.html) - is an unapproved standard for WebRTC video/audio viewers. But it may already be supported in some third-party software. It is supported in go2rtc.
+[WebRTC/WHEP](https://datatracker.ietf.org/doc/draft-murillo-whep/) - is replaced by [WebRTC/WISH](https://datatracker.ietf.org/doc/charter-ietf-wish/02/) standard for WebRTC video/audio viewers. But it may already be supported in some third-party software. It is supported in go2rtc.
 
 **go2rtc**
 
@@ -758,7 +780,7 @@ POST http://localhost:1984/api/streams?dst=camera1&src=ffmpeg:http://example.com
 You can publish any stream to streaming services (YouTube, Telegram, etc.) via RTMP/RTMPS. Important:
 
 - Supported codecs: H264 for video and AAC for audio
-- Pixel format should be `yuv420p`, for cameras with `yuvj420p` format you SHOULD use [transcoding](#source-ffmpeg)
+- AAC audio is required for YouTube, videos without audio will not work
 - You don't need to enable [RTMP module](#module-rtmp) listening for this task
 
 You can use API:
@@ -771,16 +793,19 @@ Or config file:
 
 ```yaml
 publish:
-  # publish stream "tplink_tapo" to Telegram
-  tplink_tapo: rtmps://xxx-x.rtmp.t.me/s/xxxxxxxxxx:xxxxxxxxxxxxxxxxxxxxxx
-  # publish stream "other_camera" to Telegram and YouTube
-  other_camera:
+  # publish stream "video_audio_transcode" to Telegram
+  video_audio_transcode:
     - rtmps://xxx-x.rtmp.t.me/s/xxxxxxxxxx:xxxxxxxxxxxxxxxxxxxxxx
-    - rtmps://xxx.rtmp.youtube.com/live2/xxxx-xxxx-xxxx-xxxx-xxxx
+  # publish stream "audio_transcode" to Telegram and YouTube
+  audio_transcode:
+    - rtmps://xxx-x.rtmp.t.me/s/xxxxxxxxxx:xxxxxxxxxxxxxxxxxxxxxx
+    - rtmp://xxx.rtmp.youtube.com/live2/xxxx-xxxx-xxxx-xxxx-xxxx
 
 streams:
-  # for TP-Link cameras it's important to use transcoding because of wrong pixel format
-  tplink_tapo: ffmpeg:rtsp://user:pass@192.168.1.123/stream1#video=h264#hardware#audio=aac
+  video_audio_transcode:
+    - ffmpeg:rtsp://user:pass@192.168.1.123/stream1#video=h264#hardware#audio=aac
+  audio_transcode:
+    - ffmpeg:rtsp://user:pass@192.168.1.123/stream1#video=copy#audio=aac
 ```
 
 - **Telegram Desktop App** > Any public or private channel or group (where you admin) > Live stream > Start with... > Start streaming.
@@ -790,6 +815,8 @@ streams:
 
 The HTTP API is the main part for interacting with the application. Default address: `http://localhost:1984/`.
 
+**Important!** go2rtc passes requests from localhost and from unix socket without HTTP authorisation, even if you have it configured! It is your responsibility to set up secure external access to API. If not properly configured, an attacker can gain access to your cameras and even your server.
+
 [API description](https://github.com/AlexxIT/go2rtc/tree/master/api).
 
 **Module config**
@@ -817,6 +844,7 @@ api:
     -----BEGIN PRIVATE KEY-----
     ...
     -----END PRIVATE KEY-----
+  unix_listen: "/tmp/go2rtc.sock"  # default "", unix socket listener for API
 ```
 
 **PS:**
@@ -1169,6 +1197,10 @@ API examples:
   - You can use `rotate` param with `90`, `180`, `270` or `-90` values
   - You can use `hardware`/`hw` param [read more](https://github.com/AlexxIT/go2rtc/wiki/Hardware-acceleration)
 
+**PS.** This module also supports streaming to the server console (terminal) in the **animated ASCII art** format ([read more](https://github.com/AlexxIT/go2rtc/blob/master/internal/mjpeg/README.md)):
+
+[![](https://img.youtube.com/vi/sHj_3h_sX7M/mqdefault.jpg)](https://www.youtube.com/watch?v=sHj_3h_sX7M)
+
 ### Module: Log
 
 You can set different log levels for different modules.
@@ -1349,6 +1381,7 @@ streams:
 **Distributions**
 
 - [Alpine Linux](https://pkgs.alpinelinux.org/packages?name=go2rtc)
+- [Arch User Repository](https://linux-packages.com/aur/package/go2rtc)
 - [Gentoo](https://github.com/inode64/inode64-overlay/tree/main/media-video/go2rtc)
 - [NixOS](https://search.nixos.org/packages?query=go2rtc)
 - [Proxmox Helper Scripts](https://tteck.github.io/Proxmox/)

examples/onvif_client/main.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"log"
+	"net"
+	"net/url"
+	"os"
+
+	"github.com/AlexxIT/go2rtc/pkg/onvif"
+)
+
+func main() {
+	var rawURL = os.Args[1]
+	var operation = os.Args[2]
+	var token string
+	if len(os.Args) > 3 {
+		token = os.Args[3]
+	}
+
+	client, err := onvif.NewClient(rawURL)
+	if err != nil {
+		log.Panic(err)
+	}
+
+	var b []byte
+
+	switch operation {
+	case onvif.ServiceGetServiceCapabilities:
+		b, err = client.MediaRequest(operation)
+	case onvif.DeviceGetCapabilities,
+		onvif.DeviceGetDeviceInformation,
+		onvif.DeviceGetDiscoveryMode,
+		onvif.DeviceGetDNS,
+		onvif.DeviceGetHostname,
+		onvif.DeviceGetNetworkDefaultGateway,
+		onvif.DeviceGetNetworkInterfaces,
+		onvif.DeviceGetNetworkProtocols,
+		onvif.DeviceGetNTP,
+		onvif.DeviceGetScopes,
+		onvif.DeviceGetServices,
+		onvif.DeviceGetSystemDateAndTime,
+		onvif.DeviceSystemReboot:
+		b, err = client.DeviceRequest(operation)
+	case onvif.MediaGetProfiles, onvif.MediaGetVideoSources:
+		b, err = client.MediaRequest(operation)
+	case onvif.MediaGetProfile:
+		b, err = client.GetProfile(token)
+	case onvif.MediaGetVideoSourceConfiguration:
+		b, err = client.GetVideoSourceConfiguration(token)
+	case onvif.MediaGetStreamUri:
+		b, err = client.GetStreamUri(token)
+	case onvif.MediaGetSnapshotUri:
+		b, err = client.GetSnapshotUri(token)
+	default:
+		log.Printf("unknown action\n")
+	}
+
+	if err != nil {
+		log.Printf("%s\n", err)
+	}
+
+	u, err := url.Parse(rawURL)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	host, _, _ := net.SplitHostPort(u.Host)
+
+	if err = os.WriteFile(host+"_"+operation+".xml", b, 0644); err != nil {
+		log.Printf("%s\n", err)
+	}
+}

examples/rtsp_client/main.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"log"
+	"os"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/rtsp"
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+)
+
+func main() {
+	client := rtsp.NewClient(os.Args[1])
+	if err := client.Dial(); err != nil {
+		log.Panic(err)
+	}
+
+	client.Medias = []*core.Media{
+		{
+			Kind:      core.KindAudio,
+			Direction: core.DirectionRecvonly,
+			Codecs: []*core.Codec{
+				{Name: core.CodecPCMU, ClockRate: 8000},
+			},
+			ID: "streamid=0",
+		},
+	}
+	if err := client.Announce(); err != nil {
+		log.Panic(err)
+	}
+	if _, err := client.SetupMedia(client.Medias[0]); err != nil {
+		log.Panic(err)
+	}
+	if err := client.Record(); err != nil {
+		log.Panic(err)
+	}
+
+	shell.RunUntilSignal()
+}

go.mod

@@ -1,47 +1,50 @@
 module github.com/AlexxIT/go2rtc
 
-go 1.21
+go 1.20
 
 require (
 	github.com/asticode/go-astits v1.13.0
-	github.com/expr-lang/expr v1.15.7
-	github.com/gorilla/websocket v1.5.1
-	github.com/miekg/dns v1.1.57
-	github.com/pion/ice/v2 v2.3.11
-	github.com/pion/interceptor v0.1.25
-	github.com/pion/rtcp v1.2.13
-	github.com/pion/rtp v1.8.3
-	github.com/pion/sdp/v3 v3.0.6
-	github.com/pion/srtp/v2 v2.0.18
+	github.com/expr-lang/expr v1.16.9
+	github.com/gorilla/websocket v1.5.3
+	github.com/mattn/go-isatty v0.0.20
+	github.com/miekg/dns v1.1.62
+	github.com/pion/ice/v2 v2.3.37
+	github.com/pion/interceptor v0.1.37
+	github.com/pion/rtcp v1.2.15
+	github.com/pion/rtp v1.8.10
+	github.com/pion/sdp/v3 v3.0.9
+	github.com/pion/srtp/v2 v2.0.20
 	github.com/pion/stun v0.6.1
-	github.com/pion/webrtc/v3 v3.2.24
-	github.com/rs/zerolog v1.31.0
-	github.com/sigurn/crc16 v0.0.0-20211026045750-20ab5afb07e3
+	github.com/pion/webrtc/v3 v3.3.5
+	github.com/rs/zerolog v1.33.0
+	github.com/sigurn/crc16 v0.0.0-20240131213347-83fcde1e29d1
 	github.com/sigurn/crc8 v0.0.0-20220107193325-2243fe600f9f
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.10.0
 	github.com/tadglines/go-pkgs v0.0.0-20210623144937-b983b20f54f9
-	golang.org/x/crypto v0.17.0
+	golang.org/x/crypto v0.31.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
-	github.com/asticode/go-astikit v0.30.0 // indirect
+	github.com/asticode/go-astikit v0.45.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/google/uuid v1.5.0 // indirect
-	github.com/kr/pretty v0.2.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/pion/datachannel v1.5.5 // indirect
-	github.com/pion/dtls/v2 v2.2.8 // indirect
+	github.com/pion/datachannel v1.5.10 // indirect
+	github.com/pion/dtls/v2 v2.2.12 // indirect
 	github.com/pion/logging v0.2.2 // indirect
-	github.com/pion/mdns v0.0.9 // indirect
+	github.com/pion/mdns v0.0.12 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
-	github.com/pion/sctp v1.8.9 // indirect
-	github.com/pion/transport/v2 v2.2.4 // indirect
-	github.com/pion/turn/v2 v2.1.4 // indirect
+	github.com/pion/sctp v1.8.35 // indirect
+	github.com/pion/transport/v2 v2.2.10 // indirect
+	github.com/pion/transport/v3 v3.0.7 // indirect
+	github.com/pion/turn/v2 v2.1.6 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/mod v0.14.0 // indirect
-	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/sys v0.15.0 // indirect
-	golang.org/x/tools v0.16.1 // indirect
+	github.com/wlynxg/anet v0.0.5 // indirect
+	golang.org/x/mod v0.20.0 // indirect
+	golang.org/x/net v0.33.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/tools v0.24.0 // indirect
 )

go.sum

@@ -1,250 +1,184 @@
-github.com/asticode/go-astikit v0.30.0 h1:DkBkRQRIxYcknlaU7W7ksNfn4gMFsB0tqMJflxkRsZA=
 github.com/asticode/go-astikit v0.30.0/go.mod h1:h4ly7idim1tNhaVkdVBeXQZEE3L0xblP7fCWbgwipF0=
+github.com/asticode/go-astikit v0.45.0 h1:08to/jrbod9tchF2bJ9moW+RTDK7DBUxLdIeSE7v7Sw=
+github.com/asticode/go-astikit v0.45.0/go.mod h1:h4ly7idim1tNhaVkdVBeXQZEE3L0xblP7fCWbgwipF0=
 github.com/asticode/go-astits v1.13.0 h1:XOgkaadfZODnyZRR5Y0/DWkA9vrkLLPLeeOvDwfKZ1c=
 github.com/asticode/go-astits v1.13.0/go.mod h1:QSHmknZ51pf6KJdHKZHJTLlMegIrhega3LPWz3ND/iI=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/expr-lang/expr v1.15.7 h1:BK0JcWUkoW6nrbLBo6xCKhz4BvH5DSOOu1Gx5lucyZo=
-github.com/expr-lang/expr v1.15.7/go.mod h1:uCkhfG+x7fcZ5A5sXHKuQ07jGZRl6J0FCAaf2k4PtVQ=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
+github.com/expr-lang/expr v1.16.9 h1:WUAzmR0JNI9JCiF0/ewwHB1gmcGw5wW7nWt8gc6PpCI=
+github.com/expr-lang/expr v1.16.9/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
-github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gorilla/websocket v1.5.1 h1:gmztn0JnHVt9JZquRuzLw3g4wouNVzKL15iLr/zn/QY=
-github.com/gorilla/websocket v1.5.1/go.mod h1:x3kM2JMyaluk02fnUJpQuwD2dCS5NDG2ZHL0uE0tcaY=
-github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
-github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/miekg/dns v1.1.57 h1:Jzi7ApEIzwEPLHWRcafCN9LZSBbqQpxjt/wpgvg7wcM=
-github.com/miekg/dns v1.1.57/go.mod h1:uqRjCRUuEAA6qsOiJvDd+CFo/vW+y5WR6SNmHE55hZk=
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-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

hardware.Dockerfile

@@ -1,9 +1,10 @@
 # syntax=docker/dockerfile:labs
 
 # 0. Prepare images
-# only debian 12 (bookworm) has latest ffmpeg
-ARG DEBIAN_VERSION="bookworm-slim"
-ARG GO_VERSION="1.21-bookworm"
+# only debian 13 (trixie) has latest ffmpeg
+# https://packages.debian.org/trixie/ffmpeg
+ARG DEBIAN_VERSION="trixie-slim"
+ARG GO_VERSION="1.22-bookworm"
 ARG NGROK_VERSION="3"
 
 FROM debian:${DEBIAN_VERSION} AS base
@@ -44,13 +45,16 @@ RUN rm -f /etc/apt/apt.conf.d/docker-clean \
 # Install ffmpeg, bash (for run.sh), tini (for signal handling),
 # and other common tools for the echo source.
 # non-free for Intel QSV support (not used by go2rtc, just for tests)
+# mesa-va-drivers for AMD APU
 # libasound2-plugins for ALSA support
 RUN --mount=type=cache,target=/var/cache/apt,sharing=locked --mount=type=cache,target=/var/lib/apt,sharing=locked \
-    echo 'deb http://deb.debian.org/debian bookworm non-free' > /etc/apt/sources.list.d/debian-non-free.list && \
+    echo 'deb http://deb.debian.org/debian trixie non-free' > /etc/apt/sources.list.d/debian-non-free.list && \
     apt-get -y update && apt-get -y install tini ffmpeg \
         python3 curl jq \
         intel-media-va-driver-non-free \
-        libasound2-plugins
+        mesa-va-drivers \
+        libasound2-plugins && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
 
 COPY --link --from=rootfs / /
 

internal/api/api.go

@@ -11,9 +11,9 @@ import (
 	"strings"
 	"sync"
 	"syscall"
+	"time"
 
 	"github.com/AlexxIT/go2rtc/internal/app"
-	"github.com/AlexxIT/go2rtc/pkg/shell"
 	"github.com/rs/zerolog"
 )
 
@@ -96,7 +96,10 @@ func listen(network, address string) {
 		Port = ln.Addr().(*net.TCPAddr).Port
 	}
 
-	server := http.Server{Handler: Handler}
+	server := http.Server{
+		Handler:           Handler,
+		ReadHeaderTimeout: 5 * time.Second, // Example: Set to 5 seconds
+	}
 	if err = server.Serve(ln); err != nil {
 		log.Fatal().Err(err).Msg("[api] serve")
 	}
@@ -126,8 +129,9 @@ func tlsListen(network, address, certFile, keyFile string) {
 	log.Info().Str("addr", address).Msg("[api] tls listen")
 
 	server := &http.Server{
-		Handler:   Handler,
-		TLSConfig: &tls.Config{Certificates: []tls.Certificate{cert}},
+		Handler:           Handler,
+		TLSConfig:         &tls.Config{Certificates: []tls.Certificate{cert}},
+		ReadHeaderTimeout: 5 * time.Second,
 	}
 	if err = server.ServeTLS(ln, "", ""); err != nil {
 		log.Fatal().Err(err).Msg("[api] tls serve")
@@ -251,7 +255,15 @@ func restartHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	go shell.Restart()
+	path, err := os.Executable()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	log.Debug().Msgf("[api] restart %s", path)
+
+	go syscall.Exec(path, os.Args, os.Environ())
 }
 
 func logHandler(w http.ResponseWriter, r *http.Request) {

internal/api/ws/ws.go

@@ -1,6 +1,7 @@
 package ws
 
 import (
+	"encoding/json"
 	"io"
 	"net/http"
 	"net/url"
@@ -11,7 +12,7 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/app"
 	"github.com/gorilla/websocket"
-	"github.com/rs/zerolog/log"
+	"github.com/rs/zerolog"
 )
 
 func Init() {
@@ -23,31 +24,34 @@ func Init() {
 
 	app.LoadConfig(&cfg)
 
+	log = app.GetLogger("api")
+
 	initWS(cfg.Mod.Origin)
 
 	api.HandleFunc("api/ws", apiWS)
 }
 
+var log zerolog.Logger
+
 // Message - struct for data exchange in Web API
 type Message struct {
 	Type  string `json:"type"`
 	Value any    `json:"value,omitempty"`
 }
 
-func (m *Message) String() string {
+func (m *Message) String() (value string) {
 	if s, ok := m.Value.(string); ok {
 		return s
 	}
-	return ""
+	return
 }
 
-func (m *Message) GetString(key string) string {
-	if v, ok := m.Value.(map[string]any); ok {
-		if s, ok := v[key].(string); ok {
-			return s
-		}
+func (m *Message) Unmarshal(v any) error {
+	b, err := json.Marshal(m.Value)
+	if err != nil {
+		return err
 	}
-	return ""
+	return json.Unmarshal(b, v)
 }
 
 type WSHandler func(tr *Transport, msg *Message) error
@@ -79,7 +83,7 @@ func initWS(origin string) {
 			if o.Host == r.Host {
 				return true
 			}
-			log.Trace().Msgf("[api.ws] origin=%s, host=%s", o.Host, r.Host)
+			log.Trace().Msgf("[api] ws origin=%s, host=%s", o.Host, r.Host)
 			// https://github.com/AlexxIT/go2rtc/issues/118
 			if i := strings.IndexByte(o.Host, ':'); i > 0 {
 				return o.Host[:i] == r.Host
@@ -123,7 +127,7 @@ func apiWS(w http.ResponseWriter, r *http.Request) {
 			break
 		}
 
-		log.Trace().Str("type", msg.Type).Msg("[api.ws] msg")
+		log.Trace().Str("type", msg.Type).Msg("[api] ws msg")
 
 		if handler := wsHandlers[msg.Type]; handler != nil {
 			go func() {

internal/app/README.md

@@ -0,0 +1,70 @@
+- By default go2rtc will search config file `go2rtc.yaml` in current work directory
+- go2rtc support multiple config files:
+  - `go2rtc -c config1.yaml -c config2.yaml -c config3.yaml` 
+- go2rtc support inline config as multiple formats from command line:
+  - **YAML**: `go2rtc -c '{log: {format: text}}'`
+  - **JSON**: `go2rtc -c '{"log":{"format":"text"}}'`
+  - **key=value**: `go2rtc -c log.format=text`
+- Every next config will overwrite previous (but only defined params)
+
+```
+go2rtc -config "{log: {format: text}}" -config /config/go2rtc.yaml -config "{rtsp: {listen: ''}}" -config /usr/local/go2rtc/go2rtc.yaml
+```
+
+or simple version
+
+```
+go2rtc -c log.format=text -c /config/go2rtc.yaml -c rtsp.listen='' -c /usr/local/go2rtc/go2rtc.yaml
+```
+
+## Environment variables
+
+There is support for loading external variables into the config. First, they will be attempted to be loaded from [credential files](https://systemd.io/CREDENTIALS). If `CREDENTIALS_DIRECTORY` is not set, then the key will be loaded from an environment variable. If no environment variable is set, then the string will be left as-is.
+
+```yaml
+streams:
+  camera1: rtsp://rtsp:${CAMERA_PASSWORD}@192.168.1.123/av_stream/ch0
+
+rtsp:
+  username: ${RTSP_USER:admin}   # "admin" if "RTSP_USER" not set
+  password: ${RTSP_PASS:secret}  # "secret" if "RTSP_PASS" not set
+```
+
+## JSON Schema
+
+Editors like [GoLand](https://www.jetbrains.com/go/) and [VS Code](https://code.visualstudio.com/) supports autocomplete and syntax validation.
+
+```yaml
+# yaml-language-server: $schema=https://raw.githubusercontent.com/AlexxIT/go2rtc/master/website/schema.json
+```
+
+## Defaults
+
+- Default values may change in updates
+- FFmpeg module has many presets, they are not listed here because they may also change in updates
+
+```yaml
+api:
+  listen: ":1984"
+
+ffmpeg:
+  bin: "ffmpeg"
+
+log:
+  format: "color"
+  level: "info"
+  output: "stdout"
+  time: "UNIXMS"
+
+rtsp:
+  listen: ":8554"
+  default_query: "video&audio"
+
+srtp:
+  listen: ":8443"
+
+webrtc:
+  listen: ":8555/tcp"
+  ice_servers:
+    - urls: [ "stun:stun.l.google.com:19302" ]
+```

internal/app/app.go

@@ -1,123 +1,101 @@
 package app
 
 import (
-	"errors"
 	"flag"
 	"fmt"
 	"os"
-	"path/filepath"
+	"os/exec"
 	"runtime"
-	"strings"
-
-	"github.com/AlexxIT/go2rtc/pkg/shell"
-	"github.com/AlexxIT/go2rtc/pkg/yaml"
-	"github.com/rs/zerolog/log"
+	"runtime/debug"
 )
 
-var Version = "1.8.5"
-var UserAgent = "go2rtc/" + Version
+var (
+	Version    string
+	UserAgent  string
+	ConfigPath string
+	Info       = make(map[string]any)
+)
 
-var ConfigPath string
-var Info = map[string]any{
-	"version": Version,
-}
+const usage = `Usage of go2rtc:
+
+  -c, --config   Path to config file or config string as YAML or JSON, support multiple
+  -d, --daemon   Run in background
+  -v, --version  Print version and exit
+`
 
 func Init() {
-	var confs Config
+	var config flagConfig
+	var daemon bool
 	var version bool
 
-	flag.Var(&confs, "config", "go2rtc config (path to file or raw text), support multiple")
-	flag.BoolVar(&version, "version", false, "Print the version of the application and exit")
+	flag.Var(&config, "config", "")
+	flag.Var(&config, "c", "")
+	flag.BoolVar(&daemon, "daemon", false, "")
+	flag.BoolVar(&daemon, "d", false, "")
+	flag.BoolVar(&version, "version", false, "")
+	flag.BoolVar(&version, "v", false, "")
+
+	flag.Usage = func() { fmt.Print(usage) }
 	flag.Parse()
 
+	revision, vcsTime := readRevisionTime()
+
 	if version {
-		fmt.Println("Current version: ", Version)
+		fmt.Printf("go2rtc version %s (%s) %s/%s\n", Version, revision, runtime.GOOS, runtime.GOARCH)
 		os.Exit(0)
 	}
 
-	if confs == nil {
-		confs = []string{"go2rtc.yaml"}
-	}
-
-	for _, conf := range confs {
-		if conf[0] != '{' {
-			// config as file
-			if ConfigPath == "" {
-				ConfigPath = conf
-			}
-
-			data, _ := os.ReadFile(conf)
-			if data == nil {
-				continue
-			}
-
-			data = []byte(shell.ReplaceEnvVars(string(data)))
-			configs = append(configs, data)
-		} else {
-			// config as raw YAML
-			configs = append(configs, []byte(conf))
+	if daemon && os.Getppid() != 1 {
+		if runtime.GOOS == "windows" {
+			fmt.Println("Daemon mode is not supported on Windows")
+			os.Exit(1)
 		}
+
+		// Re-run the program in background and exit
+		cmd := exec.Command(os.Args[0], os.Args[1:]...)
+		if err := cmd.Start(); err != nil {
+			fmt.Println("Failed to start daemon:", err)
+			os.Exit(1)
+		}
+		fmt.Println("Running in daemon mode with PID:", cmd.Process.Pid)
+		os.Exit(0)
 	}
 
+	UserAgent = "go2rtc/" + Version
+
+	Info["version"] = Version
+	Info["revision"] = revision
+
+	initConfig(config)
+	initLogger()
+
+	platform := fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH)
+	Logger.Info().Str("version", Version).Str("platform", platform).Str("revision", revision).Msg("go2rtc")
+	Logger.Debug().Str("version", runtime.Version()).Str("vcs.time", vcsTime).Msg("build")
+
 	if ConfigPath != "" {
-		if !filepath.IsAbs(ConfigPath) {
-			if cwd, err := os.Getwd(); err == nil {
-				ConfigPath = filepath.Join(cwd, ConfigPath)
+		Logger.Info().Str("path", ConfigPath).Msg("config")
+	}
+}
+
+func readRevisionTime() (revision, vcsTime string) {
+	if info, ok := debug.ReadBuildInfo(); ok {
+		for _, setting := range info.Settings {
+			switch setting.Key {
+			case "vcs.revision":
+				if len(setting.Value) > 7 {
+					revision = setting.Value[:7]
+				} else {
+					revision = setting.Value
+				}
+			case "vcs.time":
+				vcsTime = setting.Value
+			case "vcs.modified":
+				if setting.Value == "true" {
+					revision = "mod." + revision
+				}
 			}
 		}
-		Info["config_path"] = ConfigPath
 	}
-
-	var cfg struct {
-		Mod map[string]string `yaml:"log"`
-	}
-
-	LoadConfig(&cfg)
-
-	log.Logger = NewLogger(cfg.Mod["format"], cfg.Mod["level"])
-
-	modules = cfg.Mod
-
-	log.Info().Msgf("go2rtc version %s %s/%s", Version, runtime.GOOS, runtime.GOARCH)
-
-	migrateStore()
+	return
 }
-
-func LoadConfig(v any) {
-	for _, data := range configs {
-		if err := yaml.Unmarshal(data, v); err != nil {
-			log.Warn().Err(err).Msg("[app] read config")
-		}
-	}
-}
-
-func PatchConfig(key string, value any, path ...string) error {
-	if ConfigPath == "" {
-		return errors.New("config file disabled")
-	}
-
-	// empty config is OK
-	b, _ := os.ReadFile(ConfigPath)
-
-	b, err := yaml.Patch(b, key, value, path...)
-	if err != nil {
-		return err
-	}
-
-	return os.WriteFile(ConfigPath, b, 0644)
-}
-
-// internal
-
-type Config []string
-
-func (c *Config) String() string {
-	return strings.Join(*c, " ")
-}
-
-func (c *Config) Set(value string) error {
-	*c = append(*c, value)
-	return nil
-}
-
-var configs [][]byte

internal/app/config.go

@@ -0,0 +1,109 @@
+package app
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/pkg/shell"
+	"github.com/AlexxIT/go2rtc/pkg/yaml"
+)
+
+func LoadConfig(v any) {
+	for _, data := range configs {
+		if err := yaml.Unmarshal(data, v); err != nil {
+			Logger.Warn().Err(err).Send()
+		}
+	}
+}
+
+func PatchConfig(key string, value any, path ...string) error {
+	if ConfigPath == "" {
+		return errors.New("config file disabled")
+	}
+
+	// empty config is OK
+	b, _ := os.ReadFile(ConfigPath)
+
+	b, err := yaml.Patch(b, key, value, path...)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(ConfigPath, b, 0644)
+}
+
+type flagConfig []string
+
+func (c *flagConfig) String() string {
+	return strings.Join(*c, " ")
+}
+
+func (c *flagConfig) Set(value string) error {
+	*c = append(*c, value)
+	return nil
+}
+
+var configs [][]byte
+
+func initConfig(confs flagConfig) {
+	if confs == nil {
+		confs = []string{"go2rtc.yaml"}
+	}
+
+	for _, conf := range confs {
+		if len(conf) == 0 {
+			continue
+		}
+		if conf[0] == '{' {
+			// config as raw YAML or JSON
+			configs = append(configs, []byte(conf))
+		} else if data := parseConfString(conf); data != nil {
+			configs = append(configs, data)
+		} else {
+			// config as file
+			if ConfigPath == "" {
+				ConfigPath = conf
+			}
+
+			if data, _ = os.ReadFile(conf); data == nil {
+				continue
+			}
+
+			data = []byte(shell.ReplaceEnvVars(string(data)))
+			configs = append(configs, data)
+		}
+	}
+
+	if ConfigPath != "" {
+		if !filepath.IsAbs(ConfigPath) {
+			if cwd, err := os.Getwd(); err == nil {
+				ConfigPath = filepath.Join(cwd, ConfigPath)
+			}
+		}
+		Info["config_path"] = ConfigPath
+	}
+}
+
+func parseConfString(s string) []byte {
+	i := strings.IndexByte(s, '=')
+	if i < 0 {
+		return nil
+	}
+
+	items := strings.Split(s[:i], ".")
+	if len(items) < 2 {
+		return nil
+	}
+
+	// `log.level=trace` => `{log: {level: trace}}`
+	var pre string
+	var suf = s[i+1:]
+	for _, item := range items {
+		pre += "{" + item + ": "
+		suf += "}"
+	}
+
+	return []byte(pre + suf)
+}

internal/app/log.go

@@ -4,49 +4,100 @@ import (
 	"io"
 	"os"
 
+	"github.com/mattn/go-isatty"
 	"github.com/rs/zerolog"
-	"github.com/rs/zerolog/log"
 )
 
-var MemoryLog *circularBuffer
-
-func NewLogger(format string, level string) zerolog.Logger {
-	var writer io.Writer = os.Stdout
-
-	if format != "json" {
-		writer = zerolog.ConsoleWriter{
-			Out: writer, TimeFormat: "15:04:05.000", NoColor: format == "text",
-		}
-	}
-
-	MemoryLog = newBuffer(16)
-
-	writer = zerolog.MultiLevelWriter(writer, MemoryLog)
-
-	zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
-
-	lvl, err := zerolog.ParseLevel(level)
-	if err != nil || lvl == zerolog.NoLevel {
-		lvl = zerolog.InfoLevel
-	}
-
-	return zerolog.New(writer).With().Timestamp().Logger().Level(lvl)
-}
+var MemoryLog = newBuffer(16)
 
 func GetLogger(module string) zerolog.Logger {
 	if s, ok := modules[module]; ok {
 		lvl, err := zerolog.ParseLevel(s)
 		if err == nil {
-			return log.Level(lvl)
+			return Logger.Level(lvl)
 		}
-		log.Warn().Err(err).Caller().Send()
+		Logger.Warn().Err(err).Caller().Send()
 	}
 
-	return log.Logger
+	return Logger
 }
 
+// initLogger support:
+// - output: empty (only to memory), stderr, stdout
+// - format: empty (autodetect color support), color, json, text
+// - time:   empty (disable timestamp), UNIXMS, UNIXMICRO, UNIXNANO
+// - level:  disabled, trace, debug, info, warn, error...
+func initLogger() {
+	var cfg struct {
+		Mod map[string]string `yaml:"log"`
+	}
+
+	cfg.Mod = modules // defaults
+
+	LoadConfig(&cfg)
+
+	var writer io.Writer
+
+	switch modules["output"] {
+	case "stderr":
+		writer = os.Stderr
+	case "stdout":
+		writer = os.Stdout
+	}
+
+	timeFormat := modules["time"]
+
+	if writer != nil {
+		if format := modules["format"]; format != "json" {
+			console := &zerolog.ConsoleWriter{Out: writer}
+
+			switch format {
+			case "text":
+				console.NoColor = true
+			case "color":
+				console.NoColor = false // useless, but anyway
+			default:
+				// autodetection if output support color
+				// go-isatty - dependency for go-colorable - dependency for ConsoleWriter
+				console.NoColor = !isatty.IsTerminal(writer.(*os.File).Fd())
+			}
+
+			if timeFormat != "" {
+				console.TimeFormat = "15:04:05.000"
+			} else {
+				console.PartsOrder = []string{
+					zerolog.LevelFieldName,
+					zerolog.CallerFieldName,
+					zerolog.MessageFieldName,
+				}
+			}
+
+			writer = console
+		}
+
+		writer = zerolog.MultiLevelWriter(writer, MemoryLog)
+	} else {
+		writer = MemoryLog
+	}
+
+	lvl, _ := zerolog.ParseLevel(modules["level"])
+	Logger = zerolog.New(writer).Level(lvl)
+
+	if timeFormat != "" {
+		zerolog.TimeFieldFormat = timeFormat
+		Logger = Logger.With().Timestamp().Logger()
+	}
+}
+
+var Logger zerolog.Logger
+
 // modules log levels
-var modules map[string]string
+var modules = map[string]string{
+	"format": "", // useless, but anyway
+	"level":  "info",
+	"output": "stdout", // TODO: change to stderr someday
+	"time":   zerolog.TimeFormatUnixMs,
+}
 
 const chunkSize = 1 << 16
 

internal/app/migrate.go

@@ -1,35 +0,0 @@
-package app
-
-import (
-	"encoding/json"
-	"os"
-
-	"github.com/rs/zerolog/log"
-)
-
-func migrateStore() {
-	const name = "go2rtc.json"
-
-	data, _ := os.ReadFile(name)
-	if data == nil {
-		return
-	}
-
-	var store struct {
-		Streams map[string]string `json:"streams"`
-	}
-
-	if err := json.Unmarshal(data, &store); err != nil {
-		log.Warn().Err(err).Caller().Send()
-		return
-	}
-
-	for id, url := range store.Streams {
-		if err := PatchConfig(id, url, "streams"); err != nil {
-			log.Warn().Err(err).Caller().Send()
-			return
-		}
-	}
-
-	_ = os.Remove(name)
-}

internal/bubble/bubble.go

@@ -7,13 +7,7 @@ import (
 )
 
 func Init() {
-	streams.HandleFunc("bubble", handle)
-}
-
-func handle(url string) (core.Producer, error) {
-	conn := bubble.NewClient(url)
-	if err := conn.Dial(); err != nil {
-		return nil, err
-	}
-	return conn, nil
+	streams.HandleFunc("bubble", func(source string) (core.Producer, error) {
+		return bubble.Dial(source)
+	})
 }

internal/debug/debug.go

@@ -2,16 +2,8 @@ package debug
 
 import (
 	"github.com/AlexxIT/go2rtc/internal/api"
-	"github.com/AlexxIT/go2rtc/internal/streams"
-	"github.com/AlexxIT/go2rtc/pkg/core"
 )
 
 func Init() {
 	api.HandleFunc("api/stack", stackHandler)
-
-	streams.HandleFunc("null", nullHandler)
-}
-
-func nullHandler(string) (core.Producer, error) {
-	return nil, nil
 }

internal/doorbird/doorbird.go

@@ -0,0 +1,36 @@
+package doorbird
+
+import (
+	"net/url"
+
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/doorbird"
+)
+
+func Init() {
+	streams.RedirectFunc("doorbird", func(rawURL string) (string, error) {
+		u, err := url.Parse(rawURL)
+		if err != nil {
+			return "", err
+		}
+
+		// https://www.doorbird.com/downloads/api_lan.pdf
+		switch u.Query().Get("media") {
+		case "video":
+			u.Path = "/bha-api/video.cgi"
+		case "audio":
+			u.Path = "/bha-api/audio-receive.cgi"
+		default:
+			return "", nil
+		}
+
+		u.Scheme = "http"
+
+		return u.String(), nil
+	})
+
+	streams.HandleFunc("doorbird", func(source string) (core.Producer, error) {
+		return doorbird.Dial(source)
+	})
+}

internal/dvrip/dvrip.go

@@ -10,26 +10,16 @@ import (
 
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/streams"
-	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/dvrip"
-	"github.com/rs/zerolog/log"
 )
 
 func Init() {
-	streams.HandleFunc("dvrip", handle)
+	streams.HandleFunc("dvrip", dvrip.Dial)
 
 	// DVRIP client autodiscovery
 	api.HandleFunc("api/dvrip", apiDvrip)
 }
 
-func handle(url string) (core.Producer, error) {
-	client, err := dvrip.Dial(url)
-	if err != nil {
-		return nil, err
-	}
-	return client, nil
-}
-
 const Port = 34569 // UDP port number for dvrip discovery
 
 func apiDvrip(w http.ResponseWriter, r *http.Request) {
@@ -92,10 +82,7 @@ func sendBroadcasts(conn *net.UDPConn) {
 
 	for i := 0; i < 3; i++ {
 		time.Sleep(100 * time.Millisecond)
-
-		if _, err = conn.WriteToUDP(data, addr); err != nil {
-			log.Err(err).Caller().Send()
-		}
+		_, _ = conn.WriteToUDP(data, addr)
 	}
 }
 

internal/exec/closer.go

@@ -0,0 +1,39 @@
+package exec
+
+import (
+	"errors"
+	"net/url"
+	"os"
+	"os/exec"
+	"syscall"
+	"time"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+// closer support custom killsignal with custom killtimeout
+type closer struct {
+	cmd   *exec.Cmd
+	query url.Values
+}
+
+func (c *closer) Close() (err error) {
+	sig := os.Kill
+	if s := c.query.Get("killsignal"); s != "" {
+		sig = syscall.Signal(core.Atoi(s))
+	}
+
+	log.Trace().Msgf("[exec] kill with signal=%d", sig)
+	err = c.cmd.Process.Signal(sig)
+
+	if s := c.query.Get("killtimeout"); s != "" {
+		timeout := time.Duration(core.Atoi(s)) * time.Second
+		timer := time.AfterFunc(timeout, func() {
+			log.Trace().Msgf("[exec] kill after timeout=%s", s)
+			_ = c.cmd.Process.Kill()
+		})
+		defer timer.Stop() // stop timer if Wait ends before timeout
+	}
+
+	return errors.Join(err, c.cmd.Wait())
+}

internal/exec/exec.go

@@ -1,12 +1,16 @@
 package exec
 
 import (
+	"bufio"
 	"crypto/md5"
 	"encoding/hex"
 	"errors"
 	"fmt"
+	"io"
+	"net/url"
 	"os"
 	"os/exec"
+	"strings"
 	"sync"
 	"time"
 
@@ -17,6 +21,7 @@ import (
 	"github.com/AlexxIT/go2rtc/pkg/magic"
 	pkg "github.com/AlexxIT/go2rtc/pkg/rtsp"
 	"github.com/AlexxIT/go2rtc/pkg/shell"
+	"github.com/AlexxIT/go2rtc/pkg/stdin"
 	"github.com/rs/zerolog"
 )
 
@@ -44,62 +49,92 @@ func Init() {
 	log = app.GetLogger("exec")
 }
 
-func execHandle(url string) (core.Producer, error) {
+func execHandle(rawURL string) (core.Producer, error) {
+	rawURL, rawQuery, _ := strings.Cut(rawURL, "#")
+	query := streams.ParseQuery(rawQuery)
+
 	var path string
 
-	args := shell.QuoteSplit(url[5:]) // remove `exec:`
-	for i, arg := range args {
-		if arg == "{output}" {
-			if rtsp.Port == "" {
-				return nil, errors.New("rtsp module disabled")
-			}
-
-			sum := md5.Sum([]byte(url))
-			path = "/" + hex.EncodeToString(sum[:])
-			args[i] = "rtsp://127.0.0.1:" + rtsp.Port + path
-			break
+	// RTSP flow should have `{output}` inside URL
+	// pipe flow may have `#{params}` inside URL
+	if i := strings.Index(rawURL, "{output}"); i > 0 {
+		if rtsp.Port == "" {
+			return nil, errors.New("exec: rtsp module disabled")
 		}
+
+		sum := md5.Sum([]byte(rawURL))
+		path = "/" + hex.EncodeToString(sum[:])
+		rawURL = rawURL[:i] + "rtsp://127.0.0.1:" + rtsp.Port + path + rawURL[i+8:]
 	}
 
+	args := shell.QuoteSplit(rawURL[5:]) // remove `exec:`
 	cmd := exec.Command(args[0], args[1:]...)
-	if log.Debug().Enabled() {
-		cmd.Stderr = os.Stderr
+	cmd.Stderr = &logWriter{
+		buf:   make([]byte, 512),
+		debug: log.Debug().Enabled(),
 	}
 
+	if query.Get("backchannel") == "1" {
+		return stdin.NewClient(cmd)
+	}
+
+	cl := &closer{cmd: cmd, query: query}
+
 	if path == "" {
-		return handlePipe(url, cmd)
+		return handlePipe(rawURL, cmd, cl)
 	}
 
-	return handleRTSP(url, path, cmd)
+	return handleRTSP(rawURL, cmd, cl, path)
 }
 
-func handlePipe(url string, cmd *exec.Cmd) (core.Producer, error) {
-	r, err := PipeCloser(cmd)
+func handlePipe(source string, cmd *exec.Cmd, cl io.Closer) (core.Producer, error) {
+	stdout, err := cmd.StdoutPipe()
 	if err != nil {
 		return nil, err
 	}
 
+	rc := struct {
+		io.Reader
+		io.Closer
+	}{
+		// add buffer for pipe reader to reduce syscall
+		bufio.NewReaderSize(stdout, core.BufferSize),
+		cl,
+	}
+
+	log.Debug().Strs("args", cmd.Args).Msg("[exec] run pipe")
+
+	ts := time.Now()
+
 	if err = cmd.Start(); err != nil {
 		return nil, err
 	}
 
-	prod, err := magic.Open(r)
+	prod, err := magic.Open(rc)
 	if err != nil {
-		_ = r.Close()
+		_ = rc.Close()
+		return nil, fmt.Errorf("exec/pipe: %w\n%s", err, cmd.Stderr)
 	}
 
-	return prod, err
+	if info, ok := prod.(core.Info); ok {
+		info.SetProtocol("pipe")
+		setRemoteInfo(info, source, cmd.Args)
+	}
+
+	log.Debug().Stringer("launch", time.Since(ts)).Msg("[exec] run pipe")
+
+	return prod, nil
 }
 
-func handleRTSP(url, path string, cmd *exec.Cmd) (core.Producer, error) {
+func handleRTSP(source string, cmd *exec.Cmd, cl io.Closer, path string) (core.Producer, error) {
 	if log.Trace().Enabled() {
 		cmd.Stdout = os.Stdout
 	}
 
-	ch := make(chan core.Producer)
+	waiter := make(chan *pkg.Conn, 1)
 
 	waitersMu.Lock()
-	waiters[path] = ch
+	waiters[path] = waiter
 	waitersMu.Unlock()
 
 	defer func() {
@@ -108,42 +143,97 @@ func handleRTSP(url, path string, cmd *exec.Cmd) (core.Producer, error) {
 		waitersMu.Unlock()
 	}()
 
-	log.Debug().Str("url", url).Msg("[exec] run")
+	log.Debug().Strs("args", cmd.Args).Msg("[exec] run rtsp")
 
 	ts := time.Now()
 
 	if err := cmd.Start(); err != nil {
-		log.Error().Err(err).Str("url", url).Msg("[exec]")
+		log.Error().Err(err).Str("source", source).Msg("[exec]")
 		return nil, err
 	}
 
-	chErr := make(chan error)
-
+	done := make(chan error, 1)
 	go func() {
-		err := cmd.Wait()
-		// unblocking write to channel
-		select {
-		case chErr <- err:
-		default:
-			log.Trace().Str("url", url).Msg("[exec] close")
-		}
+		done <- cmd.Wait()
 	}()
 
 	select {
-	case <-time.After(time.Second * 60):
-		_ = cmd.Process.Kill()
-		log.Error().Str("url", url).Msg("[exec] timeout")
-		return nil, errors.New("timeout")
-	case err := <-chErr:
-		return nil, fmt.Errorf("exec: %s", err)
-	case prod := <-ch:
-		log.Debug().Stringer("launch", time.Since(ts)).Msg("[exec] run")
+	case <-time.After(time.Minute):
+		log.Error().Str("source", source).Msg("[exec] timeout")
+		_ = cl.Close()
+		return nil, errors.New("exec: timeout")
+	case <-done:
+		// limit message size
+		return nil, fmt.Errorf("exec/rtsp\n%s", cmd.Stderr)
+	case prod := <-waiter:
+		log.Debug().Stringer("launch", time.Since(ts)).Msg("[exec] run rtsp")
+		setRemoteInfo(prod, source, cmd.Args)
+		prod.OnClose = cl.Close
 		return prod, nil
 	}
 }
 
 // internal
 
-var log zerolog.Logger
-var waiters = map[string]chan core.Producer{}
-var waitersMu sync.Mutex
+var (
+	log       zerolog.Logger
+	waiters   = make(map[string]chan *pkg.Conn)
+	waitersMu sync.Mutex
+)
+
+type logWriter struct {
+	buf   []byte
+	debug bool
+	n     int
+}
+
+func (l *logWriter) String() string {
+	if l.n == len(l.buf) {
+		return string(l.buf) + "..."
+	}
+	return string(l.buf[:l.n])
+}
+
+func (l *logWriter) Write(p []byte) (n int, err error) {
+	if l.n < cap(l.buf) {
+		l.n += copy(l.buf[l.n:], p)
+	}
+	n = len(p)
+	if l.debug {
+		if p = trimSpace(p); p != nil {
+			log.Debug().Msgf("[exec] %s", p)
+		}
+	}
+	return
+}
+
+func trimSpace(b []byte) []byte {
+	start := 0
+	stop := len(b)
+	for ; start < stop; start++ {
+		if b[start] >= ' ' {
+			break // trim all ASCII before 0x20
+		}
+	}
+	for ; ; stop-- {
+		if stop == start {
+			return nil // skip empty output
+		}
+		if b[stop-1] > ' ' {
+			break // trim all ASCII before 0x21
+		}
+	}
+	return b[start:stop]
+}
+
+func setRemoteInfo(info core.Info, source string, args []string) {
+	info.SetSource(source)
+
+	if i := core.Index(args, "-i"); i > 0 && i < len(args)-1 {
+		rawURL := args[i+1]
+		if u, err := url.Parse(rawURL); err == nil && u.Host != "" {
+			info.SetRemoteAddr(u.Host)
+			info.SetURL(rawURL)
+		}
+	}
+}

internal/exec/pipe.go

@@ -1,30 +0,0 @@
-package exec
-
-import (
-	"bufio"
-	"io"
-	"os/exec"
-
-	"github.com/AlexxIT/go2rtc/pkg/core"
-)
-
-// PipeCloser - return StdoutPipe that Kill cmd on Close call
-func PipeCloser(cmd *exec.Cmd) (io.ReadCloser, error) {
-	stdout, err := cmd.StdoutPipe()
-	if err != nil {
-		return nil, err
-	}
-
-	// add buffer for pipe reader to reduce syscall
-	return pipeCloser{bufio.NewReaderSize(stdout, core.BufferSize), stdout, cmd}, nil
-}
-
-type pipeCloser struct {
-	io.Reader
-	io.Closer
-	cmd *exec.Cmd
-}
-
-func (p pipeCloser) Close() error {
-	return core.Any(p.Closer.Close(), p.cmd.Process.Kill(), p.cmd.Wait())
-}

internal/ffmpeg/README.md

@@ -45,6 +45,13 @@
 [video4linux2,v4l2 @ 0x7f7de7c58bc0] Compressed:       mjpeg :          Motion-JPEG : 640x480 160x120 176x144 320x176 320x240 352x288 432x240 544x288 640x360 752x416 800x448 800x600 864x480 960x544 960x720 1024x576 1184x656 1280x720 1280x960
 ```
 
+## TTS
+
+```yaml
+streams:
+  tts: ffmpeg:#input=-readrate 1 -readrate_initial_burst 0.001 -f lavfi -i "flite=text='1 2 3 4 5 6 7 8 9 0'"#audio=pcma
+```
+
 ## Useful links
 
 - https://superuser.com/questions/564402/explanation-of-x264-tune

internal/ffmpeg/api.go

@@ -0,0 +1,51 @@
+package ffmpeg
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/streams"
+)
+
+func apiFFmpeg(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "POST" {
+		http.Error(w, "", http.StatusMethodNotAllowed)
+		return
+	}
+
+	query := r.URL.Query()
+	dst := query.Get("dst")
+	stream := streams.Get(dst)
+	if stream == nil {
+		http.Error(w, "", http.StatusNotFound)
+		return
+	}
+
+	var src string
+	if s := query.Get("file"); s != "" {
+		if streams.Validate(s) == nil {
+			src = "ffmpeg:" + s + "#audio=auto#input=file"
+		}
+	} else if s = query.Get("live"); s != "" {
+		if streams.Validate(s) == nil {
+			src = "ffmpeg:" + s + "#audio=auto"
+		}
+	} else if s = query.Get("text"); s != "" {
+		if strings.IndexAny(s, `'"&%$`) < 0 {
+			src = "ffmpeg:tts?text=" + s
+			if s = query.Get("voice"); s != "" {
+				src += "&voice=" + s
+			}
+			src += "#audio=auto"
+		}
+	}
+
+	if src == "" {
+		http.Error(w, "", http.StatusBadRequest)
+		return
+	}
+
+	if err := stream.Play(src); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}

internal/ffmpeg/device/device_bsd.go

@@ -0,0 +1,99 @@
+//go:build freebsd || netbsd || openbsd || dragonfly
+
+package device
+
+import (
+	"net/url"
+	"os"
+	"os/exec"
+	"regexp"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func queryToInput(query url.Values) string {
+	if video := query.Get("video"); video != "" {
+		// https://ffmpeg.org/ffmpeg-devices.html#video4linux2_002c-v4l2
+		input := "-f v4l2"
+
+		for key, value := range query {
+			switch key {
+			case "resolution":
+				input += " -video_size " + value[0]
+			case "video_size", "pixel_format", "input_format", "framerate", "use_libv4l2":
+				input += " -" + key + " " + value[0]
+			}
+		}
+
+		return input + " -i " + indexToItem(videos, video)
+	}
+
+	if audio := query.Get("audio"); audio != "" {
+		input := "-f oss"
+
+		for key, value := range query {
+			switch key {
+			case "channels", "sample_rate":
+				input += " -" + key + " " + value[0]
+			}
+		}
+
+		return input + " -i " + indexToItem(audios, audio)
+	}
+
+	return ""
+}
+
+func initDevices() {
+	files, err := os.ReadDir("/dev")
+	if err != nil {
+		return
+	}
+
+	for _, file := range files {
+		if !strings.HasPrefix(file.Name(), core.KindVideo) {
+			continue
+		}
+
+		name := "/dev/" + file.Name()
+
+		cmd := exec.Command(
+			Bin, "-hide_banner", "-f", "v4l2", "-list_formats", "all", "-i", name,
+		)
+		b, _ := cmd.CombinedOutput()
+
+		// [video4linux2,v4l2 @ 0x860b92280] Raw       :     yuyv422 :           YUYV 4:2:2 : 640x480 160x120 176x144 320x176 320x240 352x288 432x240 544x288 640x360 752x416 800x448 800x600 864x480 960x544 960x720 1024x576 1184x656 1280x720 1280x960
+		// [video4linux2,v4l2 @ 0x860b92280] Compressed:       mjpeg :          Motion-JPEG : 640x480 160x120 176x144 320x176 320x240 352x288 432x240 544x288 640x360 752x416 800x448 800x600 864x480 960x544 960x720 1024x576 1184x656 1280x720 1280x960
+		re := regexp.MustCompile("(Raw *|Compressed): +(.+?) : +(.+?) : (.+)")
+		m := re.FindAllStringSubmatch(string(b), -1)
+		for _, i := range m {
+			size, _, _ := strings.Cut(i[4], " ")
+			stream := &api.Source{
+				Name: i[3],
+				Info: i[4],
+				URL:  "ffmpeg:device?video=" + name + "&input_format=" + i[2] + "&video_size=" + size,
+			}
+
+			if i[1] != "Compressed" {
+				stream.URL += "#video=h264#hardware"
+			}
+
+			videos = append(videos, name)
+			streams = append(streams, stream)
+		}
+	}
+
+	err = exec.Command(Bin, "-f", "oss", "-i", "/dev/dsp", "-t", "1", "-f", "null", "-").Run()
+	if err == nil {
+		stream := &api.Source{
+			Name: "OSS default",
+			Info: " ",
+			URL:  "ffmpeg:device?audio=default&channels=1&sample_rate=16000&#audio=opus",
+		}
+
+		audios = append(audios, "default")
+		streams = append(streams, stream)
+	}
+}

internal/ffmpeg/device/device_darwin.go

@@ -1,3 +1,5 @@
+//go:build darwin || ios
+
 package device
 
 import (

internal/ffmpeg/device/device_unix.go

@@ -1,3 +1,5 @@
+//go:build unix && !darwin && !freebsd && !netbsd && !openbsd && !dragonfly
+
 package device
 
 import (

internal/ffmpeg/device/device_windows.go

@@ -1,3 +1,5 @@
+//go:build windows
+
 package device
 
 import (

internal/ffmpeg/device/devices.go

@@ -1,11 +1,9 @@
 package device
 
 import (
-	"errors"
 	"net/http"
 	"net/url"
 	"strconv"
-	"strings"
 	"sync"
 
 	"github.com/AlexxIT/go2rtc/internal/api"
@@ -17,24 +15,15 @@ func Init(bin string) {
 	api.HandleFunc("api/ffmpeg/devices", apiDevices)
 }
 
-func GetInput(src string) (string, error) {
-	i := strings.IndexByte(src, '?')
-	if i < 0 {
-		return "", errors.New("empty query: " + src)
-	}
-
-	query, err := url.ParseQuery(src[i+1:])
+func GetInput(src string) string {
+	query, err := url.ParseQuery(src)
 	if err != nil {
-		return "", err
+		return ""
 	}
 
 	runonce.Do(initDevices)
 
-	if input := queryToInput(query); input != "" {
-		return input, nil
-	}
-
-	return "", errors.New("wrong query: " + src)
+	return queryToInput(query)
 }
 
 var Bin string

internal/ffmpeg/ffmpeg.go

@@ -4,32 +4,55 @@ import (
 	"net/url"
 	"strings"
 
+	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/app"
 	"github.com/AlexxIT/go2rtc/internal/ffmpeg/device"
 	"github.com/AlexxIT/go2rtc/internal/ffmpeg/hardware"
+	"github.com/AlexxIT/go2rtc/internal/ffmpeg/virtual"
 	"github.com/AlexxIT/go2rtc/internal/rtsp"
 	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
+	"github.com/rs/zerolog"
 )
 
 func Init() {
 	var cfg struct {
 		Mod map[string]string `yaml:"ffmpeg"`
+		Log struct {
+			Level string `yaml:"ffmpeg"`
+		} `yaml:"log"`
 	}
 
 	cfg.Mod = defaults // will be overriden from yaml
+	cfg.Log.Level = "error"
 
 	app.LoadConfig(&cfg)
 
-	if app.GetLogger("exec").GetLevel() >= 0 {
-		defaults["global"] += " -v error"
+	log = app.GetLogger("ffmpeg")
+
+	// zerolog levels: trace debug         info warn    error fatal panic disabled
+	// FFmpeg  levels: trace debug verbose info warning error fatal panic quiet
+	if cfg.Log.Level == "warn" {
+		cfg.Log.Level = "warning"
 	}
+	defaults["global"] += " -v " + cfg.Log.Level
 
 	streams.RedirectFunc("ffmpeg", func(url string) (string, error) {
+		if _, err := Version(); err != nil {
+			return "", err
+		}
 		args := parseArgs(url[7:])
+		if core.Contains(args.Codecs, "auto") {
+			return "", nil // force call streams.HandleFunc("ffmpeg")
+		}
 		return "exec:" + args.String(), nil
 	})
 
+	streams.HandleFunc("ffmpeg", NewProducer)
+
+	api.HandleFunc("api/ffmpeg", apiFFmpeg)
+
 	device.Init(defaults["bin"])
 	hardware.Init(defaults["bin"])
 }
@@ -48,16 +71,25 @@ var defaults = map[string]string{
 	// output
 	"output":       "-user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}",
 	"output/mjpeg": "-f mjpeg -",
+	"output/raw":   "-f yuv4mpegpipe -",
+	"output/aac":   "-f adts -",
+	"output/wav":   "-f wav -",
 
 	// `-preset superfast` - we can't use ultrafast because it doesn't support `-profile main -level 4.1`
 	// `-tune zerolatency` - for minimal latency
 	// `-profile high -level 4.1` - most used streaming profile
 	// `-pix_fmt:v yuv420p` - important for Telegram
 	"h264":  "-c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p",
-	"h265":  "-c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency",
+	"h265":  "-c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p",
 	"mjpeg": "-c:v mjpeg",
 	//"mjpeg": "-c:v mjpeg -force_duplicated_matrix:v 1 -huffman:v 0 -pix_fmt:v yuvj420p",
 
+	"raw":         "-c:v rawvideo",
+	"raw/gray8":   "-c:v rawvideo -pix_fmt:v gray8",
+	"raw/yuv420p": "-c:v rawvideo -pix_fmt:v yuv420p",
+	"raw/yuv422p": "-c:v rawvideo -pix_fmt:v yuv422p",
+	"raw/yuv444p": "-c:v rawvideo -pix_fmt:v yuv444p",
+
 	// https://ffmpeg.org/ffmpeg-codecs.html#libopus-1
 	// https://github.com/pion/webrtc/issues/1514
 	// https://ffmpeg.org/ffmpeg-resampler.html
@@ -115,6 +147,8 @@ var defaults = map[string]string{
 	"h265/videotoolbox": "-c:v hevc_videotoolbox -g 50 -bf 0 -profile:v main -level:v 5.1",
 }
 
+var log zerolog.Logger
+
 // configTemplate - return template from config (defaults) if exist or return raw template
 func configTemplate(template string) string {
 	if s := defaults[template]; s != "" {
@@ -139,13 +173,15 @@ func inputTemplate(name, s string, query url.Values) string {
 func parseArgs(s string) *ffmpeg.Args {
 	// init FFmpeg arguments
 	args := &ffmpeg.Args{
-		Bin:    defaults["bin"],
-		Global: defaults["global"],
-		Output: defaults["output"],
+		Bin:     defaults["bin"],
+		Global:  defaults["global"],
+		Output:  defaults["output"],
+		Version: verAV,
 	}
 
+	var source = s
 	var query url.Values
-	if i := strings.IndexByte(s, '#'); i > 0 {
+	if i := strings.IndexByte(s, '#'); i >= 0 {
 		query = streams.ParseQuery(s[i+1:])
 		args.Video = len(query["video"])
 		args.Audio = len(query["audio"])
@@ -186,12 +222,19 @@ func parseArgs(s string) *ffmpeg.Args {
 		default:
 			s += "?video&audio"
 		}
+		s += "&source=ffmpeg:" + url.QueryEscape(source)
+		for _, v := range query["query"] {
+			s += "&" + v
+		}
 		args.Input = inputTemplate("rtsp", s, query)
-	} else if strings.HasPrefix(s, "device?") {
-		var err error
-		args.Input, err = device.GetInput(s)
-		if err != nil {
-			return nil
+	} else if i = strings.Index(s, "?"); i > 0 {
+		switch s[:i] {
+		case "device":
+			args.Input = device.GetInput(s[i+1:])
+		case "virtual":
+			args.Input = virtual.GetInput(s[i+1:])
+		case "tts":
+			args.Input = virtual.GetInputTTS(s[i+1:])
 		}
 	} else {
 		args.Input = inputTemplate("file", s, query)
@@ -274,6 +317,12 @@ func parseArgs(s string) *ffmpeg.Args {
 			}
 		}
 
+		if query["bitrate"] != nil {
+			// https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
+			b := query["bitrate"][0]
+			args.AddCodec("-b:v " + b + " -maxrate " + b + " -bufsize " + b)
+		}
+
 		// 4. Process audio codecs
 		if args.Audio > 0 {
 			for _, audio := range query["audio"] {
@@ -303,11 +352,27 @@ func parseArgs(s string) *ffmpeg.Args {
 		args.AddCodec("-an")
 	}
 
-	// transcoding to only mjpeg
-	if (args.Video == 1 && args.Audio == 0 && query.Get("video") == "mjpeg") ||
-		// no transcoding from mjpeg input
-		(args.Video == 0 && args.Audio == 0 && strings.Contains(args.Input, " mjpeg ")) {
-		args.Output = defaults["output/mjpeg"]
+	// change otput from RTSP to some other pipe format
+	switch {
+	case args.Video == 0 && args.Audio == 0:
+		// no transcoding from mjpeg input (ffmpeg device with support output as raw MJPEG)
+		if strings.Contains(args.Input, " mjpeg ") {
+			args.Output = defaults["output/mjpeg"]
+		}
+	case args.Video == 1 && args.Audio == 0:
+		switch core.Before(query.Get("video"), "/") {
+		case "mjpeg":
+			args.Output = defaults["output/mjpeg"]
+		case "raw":
+			args.Output = defaults["output/raw"]
+		}
+	case args.Video == 0 && args.Audio == 1:
+		switch core.Before(query.Get("audio"), "/") {
+		case "aac":
+			args.Output = defaults["output/aac"]
+		case "pcma", "pcmu", "pcml":
+			args.Output = defaults["output/wav"]
+		}
 	}
 
 	return args

internal/ffmpeg/ffmpeg_test.go

@@ -3,140 +3,236 @@ package ffmpeg
 import (
 	"testing"
 
+	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
 	"github.com/stretchr/testify/require"
 )
 
 func TestParseArgsFile(t *testing.T) {
-	// [FILE] all tracks will be copied without transcoding codecs
-	args := parseArgs("/media/bbb.mp4")
-	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [FILE] video will be transcoded to H264, audio will be skipped
-	args = parseArgs("/media/bbb.mp4#video=h264")
-	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [FILE] video will be copied, audio will be transcoded to pcmu
-	args = parseArgs("/media/bbb.mp4#video=copy#audio=pcmu")
-	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v copy -c:a pcm_mulaw -ar:a 8000 -ac:a 1 -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [FILE] video will be transcoded to H265 and rotate 270º, audio will be skipped
-	args = parseArgs("/media/bbb.mp4#video=h265#rotate=-90")
-	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -an -vf "transpose=2" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [FILE] video will be output for MJPEG to pipe, audio will be skipped
-	args = parseArgs("/media/bbb.mp4#video=mjpeg")
-	require.Equal(t, `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v mjpeg -an -f mjpeg -`, args.String())
-
-	// https://github.com/AlexxIT/go2rtc/issues/509
-	args = parseArgs("ffmpeg:test.mp4#raw=-ss 00:00:20")
-	require.Equal(t, `ffmpeg -hide_banner -re -i ffmpeg:test.mp4 -ss 00:00:20 -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	tests := []struct {
+		name   string
+		source string
+		expect string
+	}{
+		{
+			name:   "[FILE] all tracks will be copied without transcoding codecs",
+			source: "/media/bbb.mp4",
+			expect: `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[FILE] video will be transcoded to H264, audio will be skipped",
+			source: "/media/bbb.mp4#video=h264",
+			expect: `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[FILE] video will be copied, audio will be transcoded to pcmu",
+			source: "/media/bbb.mp4#video=copy#audio=pcmu",
+			expect: `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v copy -c:a pcm_mulaw -ar:a 8000 -ac:a 1 -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[FILE] video will be transcoded to H265 and rotate 270º, audio will be skipped",
+			source: "/media/bbb.mp4#video=h265#rotate=-90",
+			expect: `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -vf "transpose=2" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[FILE] video will be output for MJPEG to pipe, audio will be skipped",
+			source: "/media/bbb.mp4#video=mjpeg",
+			expect: `ffmpeg -hide_banner -re -i /media/bbb.mp4 -c:v mjpeg -an -f mjpeg -`,
+		},
+		{
+			name:   "https://github.com/AlexxIT/go2rtc/issues/509",
+			source: "ffmpeg:test.mp4#raw=-ss 00:00:20",
+			expect: `ffmpeg -hide_banner -re -i ffmpeg:test.mp4 -ss 00:00:20 -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			args := parseArgs(test.source)
+			require.Equal(t, test.expect, args.String())
+		})
+	}
 }
 
 func TestParseArgsDevice(t *testing.T) {
-	// [DEVICE] video will be output for MJPEG to pipe, with size 1920x1080
-	args := parseArgs("device?video=0&video_size=1920x1080")
-	require.Equal(t, `ffmpeg -hide_banner -f dshow -video_size 1920x1080 -i "video=0" -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [DEVICE] video will be transcoded to H265 with framerate 20, audio will be skipped
-	//args = parseArgs("device?video=0&video_size=1280x720&framerate=20#video=h265#audio=pcma")
-	args = parseArgs("device?video=0&framerate=20#video=h265")
-	require.Equal(t, `ffmpeg -hide_banner -f dshow -framerate 20 -i "video=0" -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	args = parseArgs("device?video=FaceTime HD Camera&audio=Microphone (High Definition Audio Device)")
-	require.Equal(t, `ffmpeg -hide_banner -f dshow -i "video=FaceTime HD Camera:audio=Microphone (High Definition Audio Device)" -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	tests := []struct {
+		name   string
+		source string
+		expect string
+	}{
+		{
+			name:   "[DEVICE] video will be output for MJPEG to pipe, with size 1920x1080",
+			source: "device?video=0&video_size=1920x1080",
+			expect: `ffmpeg -hide_banner -f dshow -video_size 1920x1080 -i "video=0" -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[DEVICE] video will be transcoded to H265 with framerate 20, audio will be skipped",
+			source: "device?video=0&framerate=20#video=h265",
+			expect: `ffmpeg -hide_banner -f dshow -framerate 20 -i "video=0" -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[DEVICE] video/audio",
+			source: "device?video=FaceTime HD Camera&audio=Microphone (High Definition Audio Device)",
+			expect: `ffmpeg -hide_banner -f dshow -i "video=FaceTime HD Camera:audio=Microphone (High Definition Audio Device)" -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			args := parseArgs(test.source)
+			require.Equal(t, test.expect, args.String())
+		})
+	}
 }
 
 func TestParseArgsIpCam(t *testing.T) {
-	// [HTTP] video will be copied
-	args := parseArgs("http://example.com")
-	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [HTTP-MJPEG] video will be transcoded to H264
-	args = parseArgs("http://example.com#video=h264")
-	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [HLS] video will be copied, audio will be skipped
-	args = parseArgs("https://example.com#video=copy")
-	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i https://example.com -c:v copy -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [RTSP] video will be copied without transcoding codecs
-	args = parseArgs("rtsp://example.com")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video+audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
-	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -an -vf "scale=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [RTSP] video will be copied, changing RTSP transport from TCP to UDP+TCP
-	args = parseArgs("rtsp://example.com#input=rtsp/udp")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types video+audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -i rtsp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [RTMP] video will be copied, changing RTSP transport from TCP to UDP+TCP
-	args = parseArgs("rtmp://example.com#input=rtsp/udp")
-	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -i rtmp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	tests := []struct {
+		name   string
+		source string
+		expect string
+	}{
+		{
+			name:   "[HTTP] video will be copied",
+			source: "http://example.com",
+			expect: `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[HTTP-MJPEG] video will be transcoded to H264",
+			source: "http://example.com#video=h264",
+			expect: `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[HLS] video will be copied, audio will be skipped",
+			source: "https://example.com#video=copy",
+			expect: `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i https://example.com -c:v copy -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[RTSP] video will be copied without transcoding codecs",
+			source: "rtsp://example.com",
+			expect: `ffmpeg -hide_banner -allowed_media_types video+audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[RTSP] video with resize to 1280x720, should be transcoded, so select H265",
+			source: "rtsp://example.com#video=h265#width=1280#height=720",
+			expect: `ffmpeg -hide_banner -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v libx265 -g 50 -profile:v main -level:v 5.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -vf "scale=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[RTSP] video will be copied, changing RTSP transport from TCP to UDP+TCP",
+			source: "rtsp://example.com#input=rtsp/udp",
+			expect: `ffmpeg -hide_banner -allowed_media_types video+audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -i rtsp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[RTMP] video will be copied, changing RTSP transport from TCP to UDP+TCP",
+			source: "rtmp://example.com#input=rtsp/udp",
+			expect: `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -i rtmp://example.com -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			args := parseArgs(test.source)
+			require.Equal(t, test.expect, args.String())
+		})
+	}
 }
 
 func TestParseArgsAudio(t *testing.T) {
-	// [AUDIO] audio will be transcoded to AAC, video will be skipped
-	args := parseArgs("rtsp:///example.com#audio=aac")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a aac -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to AAC/16000, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=aac/16000")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a aac -ar:a 16000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to OPUS, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=opus")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a libopus -application:a lowdelay -frame_duration 20 -min_comp 0 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to PCMU, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=pcmu")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_mulaw -ar:a 8000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to PCMU/16000, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=pcmu/16000")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_mulaw -ar:a 16000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to PCMU/48000, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=pcmu/48000")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_mulaw -ar:a 48000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to PCMA, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=pcma")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_alaw -ar:a 8000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to PCMA/16000, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=pcma/16000")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_alaw -ar:a 16000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [AUDIO] audio will be transcoded to PCMA/48000, video will be skipped
-	args = parseArgs("rtsp:///example.com#audio=pcma/48000")
-	require.Equal(t, `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp:///example.com -c:a pcm_alaw -ar:a 48000 -ac:a 1 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	tests := []struct {
+		name   string
+		source string
+		expect string
+	}{
+		{
+			name:   "[AUDIO] audio will be transcoded to AAC, video will be skipped",
+			source: "rtsp://example.com#audio=aac",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a aac -vn -f adts -`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to AAC/16000, video will be skipped",
+			source: "rtsp://example.com#audio=aac/16000",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a aac -ar:a 16000 -ac:a 1 -vn -f adts -`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to OPUS, video will be skipped",
+			source: "rtsp://example.com#audio=opus",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a libopus -application:a lowdelay -min_comp 0 -vn -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to PCMU, video will be skipped",
+			source: "rtsp://example.com#audio=pcmu",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a pcm_mulaw -ar:a 8000 -ac:a 1 -vn -f wav -`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to PCMU/16000, video will be skipped",
+			source: "rtsp://example.com#audio=pcmu/16000",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a pcm_mulaw -ar:a 16000 -ac:a 1 -vn -f wav -`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to PCMU/48000, video will be skipped",
+			source: "rtsp://example.com#audio=pcmu/48000",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a pcm_mulaw -ar:a 48000 -ac:a 1 -vn -f wav -`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to PCMA, video will be skipped",
+			source: "rtsp://example.com#audio=pcma",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a pcm_alaw -ar:a 8000 -ac:a 1 -vn -f wav -`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to PCMA/16000, video will be skipped",
+			source: "rtsp://example.com#audio=pcma/16000",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a pcm_alaw -ar:a 16000 -ac:a 1 -vn -f wav -`,
+		},
+		{
+			name:   "[AUDIO] audio will be transcoded to PCMA/48000, video will be skipped",
+			source: "rtsp://example.com#audio=pcma/48000",
+			expect: `ffmpeg -hide_banner -allowed_media_types audio -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:a pcm_alaw -ar:a 48000 -ac:a 1 -vn -f wav -`,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			args := parseArgs(test.source)
+			require.Equal(t, test.expect, args.String())
+		})
+	}
 }
 
 func TestParseArgsHwVaapi(t *testing.T) {
-	// [HTTP-MJPEG] video will be transcoded to H264
-	args := parseArgs("http:///example.com#video=h264#hardware=vaapi")
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [RTSP] video with rotation, should be transcoded, so select H264
-	args = parseArgs("rtsp://example.com#video=h264#rotate=180#hardware=vaapi")
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,transpose_vaapi=4,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [RTSP] video with resize to 1280x720, should be transcoded, so select H265
-	args = parseArgs("rtsp://example.com#video=h265#width=1280#height=720#hardware=vaapi")
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v hevc_vaapi -g 50 -bf 0 -profile:v high -level:v 5.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=1280:720:out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	// [FILE] video will be output for MJPEG to pipe, audio will be skipped
-	args = parseArgs("/media/bbb.mp4#video=mjpeg#hardware=vaapi")
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -re -i /media/bbb.mp4 -c:v mjpeg_vaapi -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -f mjpeg -`, args.String())
-
-	// [DEVICE] MJPEG video with size 1920x1080 will be transcoded to H265
-	args = parseArgs("device?video=0&video_size=1920x1080#video=h265#hardware=vaapi")
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_vaapi -g 50 -bf 0 -profile:v high -level:v 5.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	tests := []struct {
+		name   string
+		source string
+		expect string
+	}{
+		{
+			name:   "[HTTP-MJPEG] video will be transcoded to H264",
+			source: "http:///example.com#video=h264#hardware=vaapi",
+			expect: `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_color_matrix=bt709:out_range=tv:format=nv12" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[RTSP] video with rotation, should be transcoded, so select H264",
+			source: "rtsp://example.com#video=h264#rotate=180#hardware=vaapi",
+			expect: `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,transpose_vaapi=4,scale_vaapi=out_color_matrix=bt709:out_range=tv:format=nv12" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[RTSP] video with resize to 1280x720, should be transcoded, so select H265",
+			source: "rtsp://example.com#video=h265#width=1280#height=720#hardware=vaapi",
+			expect: `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -allowed_media_types video -fflags nobuffer -flags low_delay -timeout 5000000 -user_agent go2rtc/ffmpeg -rtsp_flags prefer_tcp -i rtsp://example.com -c:v hevc_vaapi -g 50 -bf 0 -profile:v main -level:v 5.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=1280:720" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			name:   "[FILE] video will be output for MJPEG to pipe, audio will be skipped",
+			source: "/media/bbb.mp4#video=mjpeg#hardware=vaapi",
+			expect: `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -re -i /media/bbb.mp4 -c:v mjpeg_vaapi -an -vf "format=vaapi|nv12,hwupload" -f mjpeg -`,
+		},
+		{
+			name:   "[DEVICE] MJPEG video with size 1920x1080 will be transcoded to H265",
+			source: "device?video=0&video_size=1920x1080#video=h265#hardware=vaapi",
+			expect: `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -f dshow -video_size 1920x1080 -i "video=0" -c:v hevc_vaapi -g 50 -bf 0 -profile:v main -level:v 5.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			args := parseArgs(test.source)
+			require.Equal(t, test.expect, args.String())
+		})
+	}
 }
 
-func TestParseArgsHwV4l2m2m(t *testing.T) {
+func _TestParseArgsHwV4l2m2m(t *testing.T) {
 	// [HTTP-MJPEG] video will be transcoded to H264
 	args := parseArgs("http:///example.com#video=h264#hardware=v4l2m2m")
 	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_v4l2m2m -g 50 -bf 0 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
@@ -166,7 +262,7 @@ func TestParseArgsHwRKMPP(t *testing.T) {
 	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http://example.com -c:v h264_rkmpp_encoder -g 50 -bf 0 -profile:v high -level:v 4.1 -height 320 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
 }
 
-func TestParseArgsHwCuda(t *testing.T) {
+func _TestParseArgsHwCuda(t *testing.T) {
 	// [HTTP-MJPEG] video will be transcoded to H264
 	args := parseArgs("http:///example.com#video=h264#hardware=cuda")
 	require.Equal(t, `ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format cuda -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_nvenc -g 50 -bf 0 -profile:v high -level:v auto -preset:v p2 -tune:v ll -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
@@ -184,7 +280,7 @@ func TestParseArgsHwCuda(t *testing.T) {
 	require.Equal(t, `ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format cuda -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_nvenc -g 50 -bf 0 -profile:v high -level:v auto -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
 }
 
-func TestParseArgsHwDxva2(t *testing.T) {
+func _TestParseArgsHwDxva2(t *testing.T) {
 	// [HTTP-MJPEG] video will be transcoded to H264
 	args := parseArgs("http:///example.com#video=h264#hardware=dxva2")
 	require.Equal(t, `ffmpeg -hide_banner -hwaccel dxva2 -hwaccel_output_format dxva2_vld -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_qsv -g 50 -bf 0 -profile:v high -level:v 4.1 -async_depth:v 1 -an -vf "hwmap=derive_device=qsv,format=qsv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
@@ -206,7 +302,7 @@ func TestParseArgsHwDxva2(t *testing.T) {
 	require.Equal(t, `ffmpeg -hide_banner -hwaccel dxva2 -hwaccel_output_format dxva2_vld -f dshow -video_size 1920x1080 -i video="0" -c:v hevc_qsv -g 50 -bf 0 -profile:v high -level:v 5.1 -async_depth:v 1 -an -vf "hwmap=derive_device=qsv,format=qsv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
 }
 
-func TestParseArgsHwVideotoolbox(t *testing.T) {
+func _TestParseArgsHwVideotoolbox(t *testing.T) {
 	// [HTTP-MJPEG] video will be transcoded to H264
 	args := parseArgs("http:///example.com#video=h264#hardware=videotoolbox")
 	require.Equal(t, `ffmpeg -hide_banner -hwaccel videotoolbox -hwaccel_output_format videotoolbox_vld -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_videotoolbox -g 50 -bf 0 -profile:v high -level:v 4.1 -an -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
@@ -226,16 +322,52 @@ func TestParseArgsHwVideotoolbox(t *testing.T) {
 
 func TestDeckLink(t *testing.T) {
 	args := parseArgs(`DeckLink SDI (2)#video=h264#hardware=vaapi#input=-format_code Hp29 -f decklink -i "{input}"`)
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -format_code Hp29 -f decklink -i "DeckLink SDI (2)" -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_range=tv" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -format_code Hp29 -f decklink -i "DeckLink SDI (2)" -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "format=vaapi|nv12,hwupload,scale_vaapi=out_color_matrix=bt709:out_range=tv:format=nv12" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
 }
 
 func TestDrawText(t *testing.T) {
-	args := parseArgs("http:///example.com#video=h264#drawtext=fontsize=12")
-	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http:///example.com -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -vf "drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}'" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	args = parseArgs("http:///example.com#video=h264#width=640#drawtext=fontsize=12")
-	require.Equal(t, `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http:///example.com -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -vf "scale=640:-1,drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}'" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
-
-	args = parseArgs("http:///example.com#video=h264#width=640#drawtext=fontsize=12#hardware=vaapi")
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format nv12 -hwaccel_flags allow_profile_mismatch -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "scale=640:-1:out_color_matrix=bt709:out_range=tv,drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}',hwupload" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`, args.String())
+	tests := []struct {
+		name   string
+		source string
+		expect string
+	}{
+		{
+			source: "http:///example.com#video=h264#drawtext=fontsize=12",
+			expect: `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http:///example.com -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -vf "drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}'" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			source: "http:///example.com#video=h264#width=640#drawtext=fontsize=12",
+			expect: `ffmpeg -hide_banner -fflags nobuffer -flags low_delay -i http:///example.com -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency -pix_fmt:v yuv420p -an -vf "scale=640:-1,drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}'" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+		{
+			source: "http:///example.com#video=h264#width=640#drawtext=fontsize=12#hardware=vaapi",
+			expect: `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format nv12 -hwaccel_flags allow_profile_mismatch -fflags nobuffer -flags low_delay -i http:///example.com -c:v h264_vaapi -g 50 -bf 0 -profile:v high -level:v 4.1 -sei:v 0 -an -vf "scale=640:-1,drawtext=fontsize=12:text='%{localtime\:%Y-%m-%d %X}',hwupload" -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			args := parseArgs(test.source)
+			require.Equal(t, test.expect, args.String())
+		})
+	}
+}
+
+func TestVersion(t *testing.T) {
+	verAV = ffmpeg.Version61
+	tests := []struct {
+		name   string
+		source string
+		expect string
+	}{
+		{
+			source: "/media/bbb.mp4",
+			expect: `ffmpeg -hide_banner -readrate_initial_burst 0.001 -re -i /media/bbb.mp4 -c copy -user_agent ffmpeg/go2rtc -rtsp_transport tcp -f rtsp {output}`,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			args := parseArgs(test.source)
+			require.Equal(t, test.expect, args.String())
+		})
+	}
 }

internal/ffmpeg/hardware/hardware.go

@@ -7,8 +7,6 @@ import (
 
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
-
-	"github.com/rs/zerolog/log"
 )
 
 const (
@@ -152,7 +150,6 @@ var cache = map[string]string{}
 
 func run(bin string, args string) bool {
 	err := exec.Command(bin, strings.Split(args, " ")...).Run()
-	log.Printf("%v %v", args, err)
 	return err == nil
 }
 

internal/ffmpeg/hardware/hardware_bsd.go

@@ -0,0 +1,62 @@
+//go:build freebsd || netbsd || openbsd || dragonfly
+
+package hardware
+
+import (
+	"runtime"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+)
+
+const (
+	ProbeV4L2M2MH264 = "-f lavfi -i testsrc2 -t 1 -c h264_v4l2m2m -f null -"
+	ProbeV4L2M2MH265 = "-f lavfi -i testsrc2 -t 1 -c hevc_v4l2m2m -f null -"
+	ProbeRKMPPH264   = "-f lavfi -i testsrc2 -t 1 -c h264_rkmpp_encoder -f null -"
+	ProbeRKMPPH265   = "-f lavfi -i testsrc2 -t 1 -c hevc_rkmpp_encoder -f null -"
+)
+
+func ProbeAll(bin string) []*api.Source {
+	return []*api.Source{
+		{
+			Name: runToString(bin, ProbeV4L2M2MH264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineV4L2M2M,
+		},
+		{
+			Name: runToString(bin, ProbeV4L2M2MH265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineV4L2M2M,
+		},
+		{
+			Name: runToString(bin, ProbeRKMPPH264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineRKMPP,
+		},
+		{
+			Name: runToString(bin, ProbeRKMPPH265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineRKMPP,
+		},
+	}
+}
+
+func ProbeHardware(bin, name string) string {
+	if runtime.GOARCH == "arm64" || runtime.GOARCH == "arm" {
+		switch name {
+		case "h264":
+			if run(bin, ProbeV4L2M2MH264) {
+				return EngineV4L2M2M
+			}
+			if run(bin, ProbeRKMPPH264) {
+				return EngineRKMPP
+			}
+		case "h265":
+			if run(bin, ProbeV4L2M2MH265) {
+				return EngineV4L2M2M
+			}
+			if run(bin, ProbeRKMPPH265) {
+				return EngineRKMPP
+			}
+		}
+
+		return EngineSoftware
+	}
+
+	return EngineSoftware
+}

internal/ffmpeg/hardware/hardware_darwin.go

@@ -1,3 +1,5 @@
+//go:build darwin || ios
+
 package hardware
 
 import (

internal/ffmpeg/hardware/hardware_unix.go

@@ -1,3 +1,5 @@
+//go:build unix && !darwin && !freebsd && !netbsd && !openbsd && !dragonfly
+
 package hardware
 
 import (

internal/ffmpeg/hardware/hardware_windows.go

@@ -1,3 +1,5 @@
+//go:build windows
+
 package hardware
 
 import "github.com/AlexxIT/go2rtc/internal/api"

internal/ffmpeg/jpeg_test.go

@@ -19,5 +19,5 @@ func TestParseQuery(t *testing.T) {
 	query, err = url.ParseQuery("hw=vaapi")
 	require.Nil(t, err)
 	args = parseQuery(query)
-	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -i - -c:v mjpeg_vaapi -vf "format=vaapi|nv12,hwupload" -f mjpeg -`, args.String())
+	require.Equal(t, `ffmpeg -hide_banner -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_flags allow_profile_mismatch -i - -c:v mjpeg_vaapi -vf "format=vaapi|nv12,hwupload" -f mjpeg -`, args.String())
 }

internal/ffmpeg/producer.go

@@ -0,0 +1,118 @@
+package ffmpeg
+
+import (
+	"encoding/json"
+	"errors"
+	"net/url"
+	"strconv"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/aac"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+type Producer struct {
+	core.Connection
+	url    string
+	query  url.Values
+	ffmpeg core.Producer
+}
+
+// NewProducer - FFmpeg producer with auto selection video/audio codec based on client capabilities
+func NewProducer(url string) (core.Producer, error) {
+	p := &Producer{}
+
+	i := strings.IndexByte(url, '#')
+	p.url, p.query = url[:i], streams.ParseQuery(url[i+1:])
+
+	// ffmpeg.NewProducer support only one audio
+	if len(p.query["video"]) != 0 || len(p.query["audio"]) != 1 {
+		return nil, errors.New("ffmpeg: unsupported params: " + url[i:])
+	}
+
+	p.ID = core.NewID()
+	p.FormatName = "ffmpeg"
+	p.Medias = []*core.Media{
+		{
+			// we can support only audio, because don't know FmtpLine for H264 and PayloadType for MJPEG
+			Kind:      core.KindAudio,
+			Direction: core.DirectionRecvonly,
+			// codecs in order from best to worst
+			Codecs: []*core.Codec{
+				// OPUS will always marked as OPUS/48000/2
+				{Name: core.CodecOpus, ClockRate: 48000, Channels: 2},
+				{Name: core.CodecPCM, ClockRate: 16000},
+				{Name: core.CodecPCMA, ClockRate: 16000},
+				{Name: core.CodecPCMU, ClockRate: 16000},
+				{Name: core.CodecPCM, ClockRate: 8000},
+				{Name: core.CodecPCMA, ClockRate: 8000},
+				{Name: core.CodecPCMU, ClockRate: 8000},
+				// AAC has unknown problems on Dahua two way
+				{Name: core.CodecAAC, ClockRate: 16000, FmtpLine: aac.FMTP + "1408"},
+			},
+		},
+	}
+	return p, nil
+}
+
+func (p *Producer) Start() error {
+	var err error
+	if p.ffmpeg, err = streams.GetProducer(p.newURL()); err != nil {
+		return err
+	}
+
+	for i, media := range p.ffmpeg.GetMedias() {
+		track, err := p.ffmpeg.GetTrack(media, media.Codecs[0])
+		if err != nil {
+			return err
+		}
+		p.Receivers[i].Replace(track)
+	}
+
+	return p.ffmpeg.Start()
+}
+
+func (p *Producer) Stop() error {
+	if p.ffmpeg == nil {
+		return nil
+	}
+	return p.ffmpeg.Stop()
+}
+
+func (p *Producer) MarshalJSON() ([]byte, error) {
+	if p.ffmpeg == nil {
+		return json.Marshal(p.Connection)
+	}
+	return json.Marshal(p.ffmpeg)
+}
+
+func (p *Producer) newURL() string {
+	s := p.url
+	// rewrite codecs in url from auto to known presets from defaults
+	for _, receiver := range p.Receivers {
+		codec := receiver.Codec
+		switch codec.Name {
+		case core.CodecOpus:
+			s += "#audio=opus"
+		case core.CodecAAC:
+			s += "#audio=aac/16000"
+		case core.CodecPCM:
+			s += "#audio=pcm/" + strconv.Itoa(int(codec.ClockRate))
+		case core.CodecPCMA:
+			s += "#audio=pcma/" + strconv.Itoa(int(codec.ClockRate))
+		case core.CodecPCMU:
+			s += "#audio=pcmu/" + strconv.Itoa(int(codec.ClockRate))
+		}
+	}
+	// add other params
+	for key, values := range p.query {
+		if key != "audio" {
+			for _, value := range values {
+				s += "#" + key + "=" + value
+			}
+		}
+	}
+
+	return s
+}

internal/ffmpeg/version.go

@@ -0,0 +1,46 @@
+package ffmpeg
+
+import (
+	"errors"
+	"os/exec"
+	"sync"
+
+	"github.com/AlexxIT/go2rtc/pkg/ffmpeg"
+)
+
+var verMu sync.Mutex
+var verErr error
+var verFF string
+var verAV string
+
+func Version() (string, error) {
+	verMu.Lock()
+	defer verMu.Unlock()
+
+	if verFF != "" {
+		return verFF, verErr
+	}
+
+	cmd := exec.Command(defaults["bin"], "-version")
+	b, err := cmd.Output()
+	if err != nil {
+		verFF = "-"
+		verErr = err
+		return verFF, verErr
+	}
+
+	verFF, verAV = ffmpeg.ParseVersion(b)
+
+	if verFF == "" {
+		verFF = "?"
+	}
+
+	// better to compare libavformat, because nightly/master builds
+	if verAV != "" && verAV < ffmpeg.Version50 {
+		verErr = errors.New("ffmpeg: unsupported version: " + verFF)
+	}
+
+	log.Debug().Str("version", verFF).Str("libavformat", verAV).Msgf("[ffmpeg] bin")
+
+	return verFF, verErr
+}

internal/ffmpeg/virtual/virtual.go

@@ -0,0 +1,79 @@
+package virtual
+
+import (
+	"net/url"
+)
+
+func GetInput(src string) string {
+	query, err := url.ParseQuery(src)
+	if err != nil {
+		return ""
+	}
+
+	input := "-re"
+
+	for _, video := range query["video"] {
+		// https://ffmpeg.org/ffmpeg-filters.html
+		sep := "=" // first separator
+
+		if video == "" {
+			video = "testsrc=decimals=2" // default video
+			sep = ":"
+		}
+
+		input += " -f lavfi -i " + video
+
+		// set defaults (using Add instead of Set)
+		query.Add("size", "1920x1080")
+
+		for key, values := range query {
+			value := values[0]
+
+			// https://ffmpeg.org/ffmpeg-utils.html#video-size-syntax
+			switch key {
+			case "color", "rate", "duration", "sar", "decimals":
+			case "size":
+				switch value {
+				case "720":
+					value = "1280x720" // crf=1 -> 12 Mbps
+				case "1080":
+					value = "1920x1080" // crf=1 -> 25 Mbps
+				case "2K":
+					value = "2560x1440" // crf=1 -> 43 Mbps
+				case "4K":
+					value = "3840x2160" // crf=1 -> 103 Mbps
+				case "8K":
+					value = "7680x4230" // https://reolink.com/blog/8k-resolution/
+				}
+			default:
+				continue
+			}
+
+			input += sep + key + "=" + value
+			sep = ":" // next separator
+		}
+
+		if s := query.Get("format"); s != "" {
+			input += ",format=" + s
+		}
+	}
+
+	return input
+}
+
+func GetInputTTS(src string) string {
+	query, err := url.ParseQuery(src)
+	if err != nil {
+		return ""
+	}
+
+	input := `-re -f lavfi -i "flite=text='` + query.Get("text") + `'`
+
+	// ffmpeg -f lavfi -i flite=list_voices=1
+	// awb, kal, kal16, rms, slt
+	if voice := query.Get("voice"); voice != "" {
+		input += ":voice" + voice
+	}
+
+	return input + `"`
+}

internal/ffmpeg/virtual/virtual_test.go

@@ -0,0 +1,20 @@
+package virtual
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetInput(t *testing.T) {
+	s := GetInput("video")
+	require.Equal(t, "-re -f lavfi -i testsrc=decimals=2:size=1920x1080", s)
+
+	s = GetInput("video=testsrc2&size=4K")
+	require.Equal(t, "-re -f lavfi -i testsrc2=size=3840x2160", s)
+}
+
+func TestGetInputTTS(t *testing.T) {
+	s := GetInputTTS("text=hello world&voice=slt")
+	require.Equal(t, `-re -f lavfi -i "flite=text='hello world':voiceslt"`, s)
+}

internal/gopro/gopro.go

@@ -10,15 +10,13 @@ import (
 )
 
 func Init() {
-	streams.HandleFunc("gopro", handleGoPro)
+	streams.HandleFunc("gopro", func(source string) (core.Producer, error) {
+		return gopro.Dial(source)
+	})
 
 	api.HandleFunc("api/gopro", apiGoPro)
 }
 
-func handleGoPro(rawURL string) (core.Producer, error) {
-	return gopro.Dial(rawURL)
-}
-
 func apiGoPro(w http.ResponseWriter, r *http.Request) {
 	var items []*api.Source
 

internal/hass/api.go

@@ -63,7 +63,7 @@ func apiStream(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		s, err = webrtc.ExchangeSDP(stream, string(offer), "WebRTC/Hass sync", r.UserAgent())
+		s, err = webrtc.ExchangeSDP(stream, string(offer), "hass/webrtc", r.UserAgent())
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return

internal/hass/hass.go

@@ -21,7 +21,7 @@ import (
 func Init() {
 	var conf struct {
 		API struct {
-			Listen string `json:"listen"`
+			Listen string `yaml:"listen"`
 		} `yaml:"api"`
 		Mod struct {
 			Config string `yaml:"config"`
@@ -45,19 +45,14 @@ func Init() {
 		return "", nil
 	})
 
-	streams.HandleFunc("hass", func(url string) (core.Producer, error) {
+	streams.HandleFunc("hass", func(source string) (core.Producer, error) {
 		// support hass://supervisor?entity_id=camera.driveway_doorbell
-		client, err := hass.NewClient(url)
-		if err != nil {
-			return nil, err
-		}
-
-		return client, nil
+		return hass.NewClient(source)
 	})
 
 	// load static entries from Hass config
 	if err := importConfig(conf.Mod.Config); err != nil {
-		log.Debug().Msgf("[hass] can't import config: %s", err)
+		log.Trace().Msgf("[hass] can't import config: %s", err)
 
 		api.HandleFunc("api/hass", func(w http.ResponseWriter, _ *http.Request) {
 			http.Error(w, "no hass config", http.StatusNotFound)

internal/hls/hls.go

@@ -12,7 +12,6 @@ import (
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/mp4"
 	"github.com/AlexxIT/go2rtc/pkg/mpegts"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
 	"github.com/rs/zerolog"
 )
 
@@ -63,15 +62,13 @@ func handlerStream(w http.ResponseWriter, r *http.Request) {
 	medias := mp4.ParseQuery(r.URL.Query())
 	if medias != nil {
 		c := mp4.NewConsumer(medias)
-		c.Type = "HLS/fMP4 consumer"
-		c.RemoteAddr = tcp.RemoteAddr(r)
-		c.UserAgent = r.UserAgent()
+		c.FormatName = "hls/fmp4"
+		c.WithRequest(r)
 		cons = c
 	} else {
 		c := mpegts.NewConsumer()
-		c.Type = "HLS/TS consumer"
-		c.RemoteAddr = tcp.RemoteAddr(r)
-		c.UserAgent = r.UserAgent()
+		c.FormatName = "hls/mpegts"
+		c.WithRequest(r)
 		cons = c
 	}
 

internal/hls/ws.go

@@ -8,7 +8,6 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/mp4"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
 )
 
 func handlerWSHLS(tr *ws.Transport, msg *ws.Message) error {
@@ -20,9 +19,8 @@ func handlerWSHLS(tr *ws.Transport, msg *ws.Message) error {
 	codecs := msg.String()
 	medias := mp4.ParseCodecs(codecs, true)
 	cons := mp4.NewConsumer(medias)
-	cons.Type = "HLS/fMP4 consumer"
-	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
-	cons.UserAgent = tr.Request.UserAgent()
+	cons.FormatName = "hls/fmp4"
+	cons.WithRequest(tr.Request)
 
 	log.Trace().Msgf("[hls] new ws consumer codecs=%s", codecs)
 

internal/homekit/homekit.go

@@ -22,12 +22,11 @@ import (
 func Init() {
 	var cfg struct {
 		Mod map[string]struct {
-			Pin           string   `json:"pin"`
-			Name          string   `json:"name"`
-			DeviceID      string   `json:"device_id"`
-			DevicePrivate string   `json:"device_private"`
-			Pairings      []string `json:"pairings"`
-			//Listen        string   `json:"listen"`
+			Pin           string   `yaml:"pin"`
+			Name          string   `yaml:"name"`
+			DeviceID      string   `yaml:"device_id"`
+			DevicePrivate string   `yaml:"device_private"`
+			Pairings      []string `yaml:"pairings"`
 		} `yaml:"homekit"`
 	}
 	app.LoadConfig(&cfg)
@@ -134,12 +133,19 @@ func Init() {
 var log zerolog.Logger
 var servers map[string]*server
 
-func streamHandler(url string) (core.Producer, error) {
+func streamHandler(rawURL string) (core.Producer, error) {
 	if srtp.Server == nil {
 		return nil, errors.New("homekit: can't work without SRTP server")
 	}
 
-	return homekit.Dial(url, srtp.Server)
+	rawURL, rawQuery, _ := strings.Cut(rawURL, "#")
+	client, err := homekit.Dial(rawURL, srtp.Server)
+	if client != nil && rawQuery != "" {
+		query := streams.ParseQuery(rawQuery)
+		client.Bitrate = parseBitrate(query.Get("bitrate"))
+	}
+
+	return client, err
 }
 
 func hapPairSetup(w http.ResponseWriter, r *http.Request) {
@@ -200,3 +206,24 @@ func findHomeKitURL(stream *streams.Stream) string {
 
 	return ""
 }
+
+func parseBitrate(s string) int {
+	n := len(s)
+	if n == 0 {
+		return 0
+	}
+
+	var k int
+	switch n--; s[n] {
+	case 'K':
+		k = 1024
+		s = s[:n]
+	case 'M':
+		k = 1024 * 1024
+		s = s[:n]
+	default:
+		k = 1
+	}
+
+	return k * core.Atoi(s)
+}

internal/http/http.go

@@ -11,9 +11,10 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/hls"
+	"github.com/AlexxIT/go2rtc/pkg/image"
 	"github.com/AlexxIT/go2rtc/pkg/magic"
-	"github.com/AlexxIT/go2rtc/pkg/mjpeg"
-	"github.com/AlexxIT/go2rtc/pkg/multipart"
+	"github.com/AlexxIT/go2rtc/pkg/mpjpeg"
+	"github.com/AlexxIT/go2rtc/pkg/pcm"
 	"github.com/AlexxIT/go2rtc/pkg/tcp"
 )
 
@@ -45,6 +46,21 @@ func handleHTTP(rawURL string) (core.Producer, error) {
 		}
 	}
 
+	prod, err := do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	if info, ok := prod.(core.Info); ok {
+		info.SetProtocol("http")
+		info.SetRemoteAddr(req.URL.Host) // TODO: rewrite to net.Conn
+		info.SetURL(rawURL)
+	}
+
+	return prod, nil
+}
+
+func do(req *http.Request) (core.Producer, error) {
 	res, err := tcp.Do(req)
 	if err != nil {
 		return nil, err
@@ -66,14 +82,15 @@ func handleHTTP(rawURL string) (core.Producer, error) {
 	}
 
 	switch {
-	case ct == "image/jpeg":
-		return mjpeg.NewClient(res), nil
-
-	case ct == "multipart/x-mixed-replace":
-		return multipart.Open(res.Body)
-
 	case ct == "application/vnd.apple.mpegurl" || ext == "m3u8":
 		return hls.OpenURL(req.URL, res.Body)
+	case ct == "image/jpeg":
+		return image.Open(res)
+	case ct == "multipart/x-mixed-replace":
+		return mpjpeg.Open(res.Body)
+	//https://www.iana.org/assignments/media-types/audio/basic
+	case ct == "audio/basic":
+		return pcm.Open(res.Body)
 	}
 
 	return magic.Open(res.Body)

internal/isapi/init.go

@@ -7,16 +7,7 @@ import (
 )
 
 func Init() {
-	streams.HandleFunc("isapi", handle)
-}
-
-func handle(url string) (core.Producer, error) {
-	conn, err := isapi.NewClient(url)
-	if err != nil {
-		return nil, err
-	}
-	if err = conn.Dial(); err != nil {
-		return nil, err
-	}
-	return conn, nil
+	streams.HandleFunc("isapi", func(source string) (core.Producer, error) {
+		return isapi.Dial(source)
+	})
 }

internal/ivideon/ivideon.go

@@ -4,16 +4,10 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/ivideon"
-	"strings"
 )
 
 func Init() {
-	streams.HandleFunc("ivideon", func(url string) (core.Producer, error) {
-		id := strings.Replace(url[8:], "/", ":", 1)
-		prod := ivideon.NewClient(id)
-		if err := prod.Dial(); err != nil {
-			return nil, err
-		}
-		return prod, nil
+	streams.HandleFunc("ivideon", func(source string) (core.Producer, error) {
+		return ivideon.Dial(source)
 	})
 }

internal/mjpeg/README.md

@@ -0,0 +1,38 @@
+## Stream as ASCII to Terminal
+
+[![](https://img.youtube.com/vi/sHj_3h_sX7M/mqdefault.jpg)](https://www.youtube.com/watch?v=sHj_3h_sX7M)
+
+**Tips**
+
+- this feature works only with MJPEG codec (use transcoding)
+- choose a low frame rate (FPS)
+- choose the width and height to fit in your terminal
+- different terminals support different numbers of colours (8, 256, rgb)
+- escape text param with urlencode
+- you can stream any camera or file from a disc
+
+**go2rtc.yaml** - transcoding to MJPEG, terminal size - 210x59 (16/9), fps - 10
+
+```yaml
+streams:
+  gamazda: ffmpeg:gamazda.mp4#video=mjpeg#hardware#width=210#height=59#raw=-r 10
+```
+
+**API params**
+
+- `color` - foreground color, values: empty, `8`, `256`, `rgb`, [SGR](https://en.wikipedia.org/wiki/ANSI_escape_code)
+  - example: `30` (black), `37` (white), `38;5;226` (yellow)
+- `back` - background color, values: empty, `8`, `256`, `rgb`, [SGR](https://en.wikipedia.org/wiki/ANSI_escape_code)
+  - example: `40` (black), `47` (white), `48;5;226` (yellow)
+- `text` - character set, values: empty, one char, `block`, list of chars (in order of brightness)
+  - example: `%20` (space), `block` (keyword for block elements), `ox` (two chars)
+
+**Examples**
+
+```bash
+% curl "http://192.168.1.123:1984/api/stream.ascii?src=gamazda"
+% curl "http://192.168.1.123:1984/api/stream.ascii?src=gamazda&color=256"
+% curl "http://192.168.1.123:1984/api/stream.ascii?src=gamazda&back=256&text=%20"
+% curl "http://192.168.1.123:1984/api/stream.ascii?src=gamazda&back=8&text=%20%20"
+% curl "http://192.168.1.123:1984/api/stream.ascii?src=gamazda&text=helloworld"
+```

internal/mjpeg/init.go

@@ -5,26 +5,36 @@ import (
 	"io"
 	"net/http"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	"github.com/AlexxIT/go2rtc/internal/app"
 	"github.com/AlexxIT/go2rtc/internal/ffmpeg"
 	"github.com/AlexxIT/go2rtc/internal/streams"
+	"github.com/AlexxIT/go2rtc/pkg/ascii"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/magic"
 	"github.com/AlexxIT/go2rtc/pkg/mjpeg"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
-	"github.com/rs/zerolog/log"
+	"github.com/AlexxIT/go2rtc/pkg/mpjpeg"
+	"github.com/AlexxIT/go2rtc/pkg/y4m"
+	"github.com/rs/zerolog"
 )
 
 func Init() {
 	api.HandleFunc("api/frame.jpeg", handlerKeyframe)
 	api.HandleFunc("api/stream.mjpeg", handlerStream)
+	api.HandleFunc("api/stream.ascii", handlerStream)
+	api.HandleFunc("api/stream.y4m", apiStreamY4M)
 
 	ws.HandleFunc("mjpeg", handlerWS)
+
+	log = app.GetLogger("mjpeg")
 }
 
+var log zerolog.Logger
+
 func handlerKeyframe(w http.ResponseWriter, r *http.Request) {
 	src := r.URL.Query().Get("src")
 	stream := streams.Get(src)
@@ -34,8 +44,7 @@ func handlerKeyframe(w http.ResponseWriter, r *http.Request) {
 	}
 
 	cons := magic.NewKeyframe()
-	cons.RemoteAddr = tcp.RemoteAddr(r)
-	cons.UserAgent = r.UserAgent()
+	cons.WithRequest(r)
 
 	if err := stream.AddConsumer(cons); err != nil {
 		log.Error().Err(err).Caller().Send()
@@ -57,6 +66,8 @@ func handlerKeyframe(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 		log.Debug().Msgf("[mjpeg] transcoding time=%s", time.Since(ts))
+	case core.CodecJPEG:
+		b = mjpeg.FixJPEG(b)
 	}
 
 	h := w.Header()
@@ -88,8 +99,7 @@ func outputMjpeg(w http.ResponseWriter, r *http.Request) {
 	}
 
 	cons := mjpeg.NewConsumer()
-	cons.RemoteAddr = tcp.RemoteAddr(r)
-	cons.UserAgent = r.UserAgent()
+	cons.WithRequest(r)
 
 	if err := stream.AddConsumer(cons); err != nil {
 		log.Error().Err(err).Msg("[api.mjpeg] add consumer")
@@ -97,38 +107,22 @@ func outputMjpeg(w http.ResponseWriter, r *http.Request) {
 	}
 
 	h := w.Header()
-	h.Set("Content-Type", "multipart/x-mixed-replace; boundary=frame")
 	h.Set("Cache-Control", "no-cache")
 	h.Set("Connection", "close")
 	h.Set("Pragma", "no-cache")
 
-	wr := &writer{wr: w, buf: []byte(header)}
-	_, _ = cons.WriteTo(wr)
+	if strings.HasSuffix(r.URL.Path, "mjpeg") {
+		wr := mjpeg.NewWriter(w)
+		_, _ = cons.WriteTo(wr)
+	} else {
+		cons.FormatName = "ascii"
 
-	stream.RemoveConsumer(cons)
-}
-
-const header = "--frame\r\nContent-Type: image/jpeg\r\nContent-Length: "
-
-type writer struct {
-	wr  io.Writer
-	buf []byte
-}
-
-func (w *writer) Write(p []byte) (n int, err error) {
-	w.buf = w.buf[:len(header)]
-	w.buf = append(w.buf, strconv.Itoa(len(p))...)
-	w.buf = append(w.buf, "\r\n\r\n"...)
-	w.buf = append(w.buf, p...)
-	w.buf = append(w.buf, "\r\n"...)
-
-	// Chrome bug: mjpeg image always shows the second to last image
-	// https://bugs.chromium.org/p/chromium/issues/detail?id=527446
-	if n, err = w.wr.Write(w.buf); err == nil {
-		w.wr.(http.Flusher).Flush()
+		query := r.URL.Query()
+		wr := ascii.NewWriter(w, query.Get("color"), query.Get("back"), query.Get("text"))
+		_, _ = cons.WriteTo(wr)
 	}
 
-	return
+	stream.RemoveConsumer(cons)
 }
 
 func inputMjpeg(w http.ResponseWriter, r *http.Request) {
@@ -139,17 +133,16 @@ func inputMjpeg(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	res := &http.Response{Body: r.Body, Header: r.Header, Request: r}
-	res.Header.Set("Content-Type", "multipart/mixed;boundary=")
+	prod, _ := mpjpeg.Open(r.Body)
+	prod.WithRequest(r)
 
-	client := mjpeg.NewClient(res)
-	stream.AddProducer(client)
+	stream.AddProducer(prod)
 
-	if err := client.Start(); err != nil && err != io.EOF {
+	if err := prod.Start(); err != nil && err != io.EOF {
 		log.Warn().Err(err).Caller().Send()
 	}
 
-	stream.RemoveProducer(client)
+	stream.RemoveProducer(prod)
 }
 
 func handlerWS(tr *ws.Transport, _ *ws.Message) error {
@@ -159,11 +152,10 @@ func handlerWS(tr *ws.Transport, _ *ws.Message) error {
 	}
 
 	cons := mjpeg.NewConsumer()
-	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
-	cons.UserAgent = tr.Request.UserAgent()
+	cons.WithRequest(tr.Request)
 
 	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Caller().Send()
+		log.Debug().Err(err).Msg("[mjpeg] add consumer")
 		return err
 	}
 
@@ -177,3 +169,24 @@ func handlerWS(tr *ws.Transport, _ *ws.Message) error {
 
 	return nil
 }
+
+func apiStreamY4M(w http.ResponseWriter, r *http.Request) {
+	src := r.URL.Query().Get("src")
+	stream := streams.Get(src)
+	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
+		return
+	}
+
+	cons := y4m.NewConsumer()
+	cons.WithRequest(r)
+
+	if err := stream.AddConsumer(cons); err != nil {
+		log.Error().Err(err).Caller().Send()
+		return
+	}
+
+	_, _ = cons.WriteTo(w)
+
+	stream.RemoveConsumer(cons)
+}

internal/mp4/mp4.go

@@ -1,6 +1,7 @@
 package mp4
 
 import (
+	"context"
 	"net/http"
 	"strconv"
 	"strings"
@@ -12,7 +13,6 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/mp4"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
 	"github.com/rs/zerolog"
 )
 
@@ -91,8 +91,7 @@ func handlerMP4(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	src := query.Get("src")
-	stream := streams.Get(src)
+	stream := streams.GetOrPatch(query)
 	if stream == nil {
 		http.Error(w, api.StreamNotFound, http.StatusNotFound)
 		return
@@ -100,9 +99,9 @@ func handlerMP4(w http.ResponseWriter, r *http.Request) {
 
 	medias := mp4.ParseQuery(r.URL.Query())
 	cons := mp4.NewConsumer(medias)
-	cons.Type = "MP4/HTTP active consumer"
-	cons.RemoteAddr = tcp.RemoteAddr(r)
-	cons.UserAgent = r.UserAgent()
+	cons.FormatName = "mp4"
+	cons.Protocol = "http"
+	cons.WithRequest(r)
 
 	if err := stream.AddConsumer(cons); err != nil {
 		log.Error().Err(err).Caller().Send()
@@ -128,20 +127,20 @@ func handlerMP4(w http.ResponseWriter, r *http.Request) {
 		header.Set("Content-Disposition", `attachment; filename="`+filename+`"`)
 	}
 
-	var duration *time.Timer
-	if s := query.Get("duration"); s != "" {
-		if i, _ := strconv.Atoi(s); i > 0 {
-			duration = time.AfterFunc(time.Second*time.Duration(i), func() {
-				_ = cons.Stop()
-			})
-		}
+	ctx := r.Context() // handle when the client drops the connection
+
+	if i := core.Atoi(query.Get("duration")); i > 0 {
+		timeout := time.Second * time.Duration(i)
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(ctx, timeout)
+		defer cancel()
 	}
 
+	go func() {
+		<-ctx.Done()
+		_ = cons.Stop()
+		stream.RemoveConsumer(cons)
+	}()
+
 	_, _ = cons.WriteTo(w)
-
-	stream.RemoveConsumer(cons)
-
-	if duration != nil {
-		duration.Stop()
-	}
 }

internal/mp4/ws.go

@@ -8,7 +8,6 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/mp4"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
 )
 
 func handlerWSMSE(tr *ws.Transport, msg *ws.Message) error {
@@ -24,9 +23,8 @@ func handlerWSMSE(tr *ws.Transport, msg *ws.Message) error {
 	}
 
 	cons := mp4.NewConsumer(medias)
-	cons.Type = "MSE/WebSocket active consumer"
-	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
-	cons.UserAgent = tr.Request.UserAgent()
+	cons.FormatName = "mse/fmp4"
+	cons.WithRequest(tr.Request)
 
 	if err := stream.AddConsumer(cons); err != nil {
 		log.Debug().Err(err).Msg("[mp4] add consumer")
@@ -57,9 +55,7 @@ func handlerWSMP4(tr *ws.Transport, msg *ws.Message) error {
 	}
 
 	cons := mp4.NewKeyframe(medias)
-	cons.Type = "MP4/WebSocket active consumer"
-	cons.RemoteAddr = tcp.RemoteAddr(tr.Request)
-	cons.UserAgent = tr.Request.UserAgent()
+	cons.WithRequest(tr.Request)
 
 	if err := stream.AddConsumer(cons); err != nil {
 		log.Error().Err(err).Caller().Send()

internal/mpegts/aac.go

@@ -6,8 +6,6 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/aac"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
-	"github.com/rs/zerolog/log"
 )
 
 func apiStreamAAC(w http.ResponseWriter, r *http.Request) {
@@ -19,11 +17,9 @@ func apiStreamAAC(w http.ResponseWriter, r *http.Request) {
 	}
 
 	cons := aac.NewConsumer()
-	cons.RemoteAddr = tcp.RemoteAddr(r)
-	cons.UserAgent = r.UserAgent()
+	cons.WithRequest(r)
 
 	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Caller().Send()
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}

internal/mpegts/mpegts.go

@@ -6,8 +6,6 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/api"
 	"github.com/AlexxIT/go2rtc/internal/streams"
 	"github.com/AlexxIT/go2rtc/pkg/mpegts"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
-	"github.com/rs/zerolog/log"
 )
 
 func Init() {
@@ -32,11 +30,9 @@ func outputMpegTS(w http.ResponseWriter, r *http.Request) {
 	}
 
 	cons := mpegts.NewConsumer()
-	cons.RemoteAddr = tcp.RemoteAddr(r)
-	cons.UserAgent = r.UserAgent()
+	cons.WithRequest(r)
 
 	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Caller().Send()
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}

internal/nest/init.go

@@ -10,19 +10,13 @@ import (
 )
 
 func Init() {
-	streams.HandleFunc("nest", streamNest)
+	streams.HandleFunc("nest", func(source string) (core.Producer, error) {
+		return nest.Dial(source)
+	})
 
 	api.HandleFunc("api/nest", apiNest)
 }
 
-func streamNest(url string) (core.Producer, error) {
-	client, err := nest.NewClient(url)
-	if err != nil {
-		return nil, err
-	}
-	return client, nil
-}
-
 func apiNest(w http.ResponseWriter, r *http.Request) {
 	query := r.URL.Query()
 	cliendID := query.Get("client_id")

internal/ngrok/ngrok.go

@@ -50,7 +50,7 @@ func Init() {
 
 				log.Info().Str("addr", address).Msg("[ngrok] add external candidate for WebRTC")
 
-				webrtc.AddCandidate(address, "tcp")
+				webrtc.AddCandidate("tcp", address)
 			}
 		}
 	})

internal/onvif/README.md

@@ -0,0 +1,25 @@
+# ONVIF
+
+A regular camera has a single video source (`GetVideoSources`) and two profiles (`GetProfiles`).
+
+Go2rtc has one video source and one profile per stream.
+
+## Tested clients
+
+Go2rtc works as ONVIF server:
+
+- Happytime onvif client (windows)
+- Home Assistant ONVIF integration (linux)
+- Onvier (android)
+- ONVIF Device Manager (windows)
+
+PS. Support only TCP transport for RTSP protocol. UDP and HTTP transports - unsupported yet.
+
+## Tested cameras
+
+Go2rtc works as ONVIF client:
+
+- Dahua IPC-K42
+- OpenIPC
+- Reolink RLC-520A
+- TP-Link Tapo TC60

internal/onvif/onvif.go

@@ -55,49 +55,65 @@ func onvifDeviceService(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	action := onvif.GetRequestAction(b)
-	if action == "" {
+	operation := onvif.GetRequestAction(b)
+	if operation == "" {
 		http.Error(w, "malformed request body", http.StatusBadRequest)
 		return
 	}
 
-	log.Trace().Msgf("[onvif] %s", action)
+	log.Trace().Msgf("[onvif] server request %s %s:\n%s", r.Method, r.RequestURI, b)
 
-	var res string
+	switch operation {
+	case onvif.DeviceGetNetworkInterfaces, // important for Hass
+		onvif.DeviceGetSystemDateAndTime, // important for Hass
+		onvif.DeviceGetDiscoveryMode,
+		onvif.DeviceGetDNS,
+		onvif.DeviceGetHostname,
+		onvif.DeviceGetNetworkDefaultGateway,
+		onvif.DeviceGetNetworkProtocols,
+		onvif.DeviceGetNTP,
+		onvif.DeviceGetScopes:
+		b = onvif.StaticResponse(operation)
 
-	switch action {
-	case onvif.ActionGetCapabilities:
+	case onvif.DeviceGetCapabilities:
 		// important for Hass: Media section
-		res = onvif.GetCapabilitiesResponse(r.Host)
+		b = onvif.GetCapabilitiesResponse(r.Host)
 
-	case onvif.ActionGetSystemDateAndTime:
-		// important for Hass
-		res = onvif.GetSystemDateAndTimeResponse()
+	case onvif.DeviceGetServices:
+		b = onvif.GetServicesResponse(r.Host)
 
-	case onvif.ActionGetNetworkInterfaces:
-		// important for Hass: none
-		res = onvif.GetNetworkInterfacesResponse()
-
-	case onvif.ActionGetDeviceInformation:
+	case onvif.DeviceGetDeviceInformation:
 		// important for Hass: SerialNumber (unique server ID)
-		res = onvif.GetDeviceInformationResponse("", "go2rtc", app.Version, r.Host)
+		b = onvif.GetDeviceInformationResponse("", "go2rtc", app.Version, r.Host)
 
-	case onvif.ActionGetServiceCapabilities:
+	case onvif.ServiceGetServiceCapabilities:
 		// important for Hass
-		res = onvif.GetServiceCapabilitiesResponse()
+		// TODO: check path links to media
+		b = onvif.GetMediaServiceCapabilitiesResponse()
 
-	case onvif.ActionSystemReboot:
-		res = onvif.SystemRebootResponse()
+	case onvif.DeviceSystemReboot:
+		b = onvif.StaticResponse(operation)
 
 		time.AfterFunc(time.Second, func() {
 			os.Exit(0)
 		})
 
-	case onvif.ActionGetProfiles:
-		// important for Hass: H264 codec, width, height
-		res = onvif.GetProfilesResponse(streams.GetAll())
+	case onvif.MediaGetVideoSources:
+		b = onvif.GetVideoSourcesResponse(streams.GetAll())
 
-	case onvif.ActionGetStreamUri:
+	case onvif.MediaGetProfiles:
+		// important for Hass: H264 codec, width, height
+		b = onvif.GetProfilesResponse(streams.GetAll())
+
+	case onvif.MediaGetProfile:
+		token := onvif.FindTagValue(b, "ProfileToken")
+		b = onvif.GetProfileResponse(token)
+
+	case onvif.MediaGetVideoSourceConfiguration:
+		token := onvif.FindTagValue(b, "ConfigurationToken")
+		b = onvif.GetVideoSourceConfigurationResponse(token)
+
+	case onvif.MediaGetStreamUri:
 		host, _, err := net.SplitHostPort(r.Host)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -105,16 +121,22 @@ func onvifDeviceService(w http.ResponseWriter, r *http.Request) {
 		}
 
 		uri := "rtsp://" + host + ":" + rtsp.Port + "/" + onvif.FindTagValue(b, "ProfileToken")
-		res = onvif.GetStreamUriResponse(uri)
+		b = onvif.GetStreamUriResponse(uri)
+
+	case onvif.MediaGetSnapshotUri:
+		uri := "http://" + r.Host + "/api/frame.jpeg?src=" + onvif.FindTagValue(b, "ProfileToken")
+		b = onvif.GetSnapshotUriResponse(uri)
 
 	default:
-		http.Error(w, "unsupported action", http.StatusBadRequest)
+		http.Error(w, "unsupported operation", http.StatusBadRequest)
 		log.Debug().Msgf("[onvif] unsupported request:\n%s", b)
 		return
 	}
 
+	log.Trace().Msgf("[onvif] server response:\n%s", b)
+
 	w.Header().Set("Content-Type", "application/soap+xml; charset=utf-8")
-	if _, err = w.Write([]byte(res)); err != nil {
+	if _, err = w.Write(b); err != nil {
 		log.Error().Err(err).Caller().Send()
 	}
 }
@@ -160,7 +182,7 @@ func apiOnvif(w http.ResponseWriter, r *http.Request) {
 		}
 
 		if l := log.Trace(); l.Enabled() {
-			b, _ := client.GetProfiles()
+			b, _ := client.MediaRequest(onvif.MediaGetProfiles)
 			l.Msgf("[onvif] src=%s profiles:\n%s", src, b)
 		}
 

internal/roborock/roborock.go

@@ -11,22 +11,13 @@ import (
 )
 
 func Init() {
-	streams.HandleFunc("roborock", handle)
+	streams.HandleFunc("roborock", func(source string) (core.Producer, error) {
+		return roborock.Dial(source)
+	})
 
 	api.HandleFunc("api/roborock", apiHandle)
 }
 
-func handle(url string) (core.Producer, error) {
-	conn := roborock.NewClient(url)
-	if err := conn.Dial(); err != nil {
-		return nil, err
-	}
-	if err := conn.Connect(); err != nil {
-		return nil, err
-	}
-	return conn, nil
-}
-
 var Auth struct {
 	UserData *roborock.UserInfo `json:"user_data"`
 	BaseURL  string             `json:"base_url"`

internal/rtmp/rtmp.go

@@ -12,7 +12,6 @@ import (
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/flv"
 	"github.com/AlexxIT/go2rtc/pkg/rtmp"
-	"github.com/AlexxIT/go2rtc/pkg/tcp"
 	"github.com/rs/zerolog"
 )
 
@@ -128,17 +127,13 @@ func tcpHandle(netConn net.Conn) error {
 var log zerolog.Logger
 
 func streamsHandle(url string) (core.Producer, error) {
-	client, err := rtmp.DialPlay(url)
-	if err != nil {
-		return nil, err
-	}
-	return client, nil
+	return rtmp.DialPlay(url)
 }
 
 func streamsConsumerHandle(url string) (core.Consumer, func(), error) {
 	cons := flv.NewConsumer()
 	run := func() {
-		wr, err := rtmp.DialPublish(url)
+		wr, err := rtmp.DialPublish(url, cons)
 		if err != nil {
 			return
 		}
@@ -165,9 +160,7 @@ func outputFLV(w http.ResponseWriter, r *http.Request) {
 	}
 
 	cons := flv.NewConsumer()
-	cons.Type = "HTTP-FLV consumer"
-	cons.RemoteAddr = tcp.RemoteAddr(r)
-	cons.UserAgent = r.UserAgent()
+	cons.WithRequest(r)
 
 	if err := stream.AddConsumer(cons); err != nil {
 		log.Error().Err(err).Caller().Send()

internal/rtsp/rtsp.go

@@ -21,7 +21,7 @@ func Init() {
 			Username     string `yaml:"username" json:"-"`
 			Password     string `yaml:"password" json:"-"`
 			DefaultQuery string `yaml:"default_query" json:"default_query"`
-			PacketSize   uint16 `yaml:"pkt_size"`
+			PacketSize   uint16 `yaml:"pkt_size" json:"pkt_size,omitempty"`
 		} `yaml:"rtsp"`
 	}
 
@@ -147,6 +147,7 @@ func tcpHandler(conn *rtsp.Conn) {
 	var closer func()
 
 	trace := log.Trace().Enabled()
+	level := zerolog.WarnLevel
 
 	conn.Listen(func(msg any) {
 		if trace {
@@ -188,8 +189,18 @@ func tcpHandler(conn *rtsp.Conn) {
 				conn.PacketSize = uint16(core.Atoi(s))
 			}
 
+			// param name like ffmpeg style https://ffmpeg.org/ffmpeg-protocols.html
+			if s := query.Get("log_level"); s != "" {
+				if lvl, err := zerolog.ParseLevel(s); err == nil {
+					level = lvl
+				}
+			}
+
+			// will help to protect looping requests to same source
+			conn.Connection.Source = query.Get("source")
+
 			if err := stream.AddConsumer(conn); err != nil {
-				log.Warn().Err(err).Str("stream", name).Msg("[rtsp]")
+				log.WithLevel(level).Err(err).Str("stream", name).Msg("[rtsp]")
 				return
 			}
 
@@ -210,6 +221,11 @@ func tcpHandler(conn *rtsp.Conn) {
 				return
 			}
 
+			query := conn.URL.Query()
+			if s := query.Get("timeout"); s != "" {
+				conn.Timeout = core.Atoi(s)
+			}
+
 			log.Debug().Str("stream", name).Msg("[rtsp] new producer")
 
 			stream.AddProducer(conn)
@@ -222,7 +238,7 @@ func tcpHandler(conn *rtsp.Conn) {
 
 	if err := conn.Accept(); err != nil {
 		if err != io.EOF {
-			log.Warn().Err(err).Caller().Send()
+			log.WithLevel(level).Err(err).Caller().Send()
 		}
 		if closer != nil {
 			closer()
@@ -239,7 +255,7 @@ func tcpHandler(conn *rtsp.Conn) {
 
 	if closer != nil {
 		if err := conn.Handle(); err != nil {
-			log.Debug().Msgf("[rtsp] handle=%s", err)
+			log.Debug().Err(err).Msg("[rtsp] handle")
 		}
 
 		closer()

internal/streams/README.md

@@ -0,0 +1,8 @@
+## Testing notes
+
+```yaml
+streams:
+  test1-basic: ffmpeg:virtual?video#video=h264
+  test2-reconnect: ffmpeg:virtual?video&duration=10#video=h264
+  test3-execkill: exec:./examples/rtsp_client/rtsp_client/rtsp_client {output}
+```

internal/streams/add_consumer.go

@@ -3,18 +3,17 @@ package streams
 import (
 	"errors"
 	"strings"
-	"sync/atomic"
 
 	"github.com/AlexxIT/go2rtc/pkg/core"
 )
 
 func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
-	// support for multiple simultaneous requests from different consumers
-	consN := atomic.AddInt32(&s.requests, 1) - 1
+	// support for multiple simultaneous pending from different consumers
+	consN := s.pending.Add(1) - 1
 
-	var prodErrors []error
+	var prodErrors = make([]error, len(s.producers))
 	var prodMedias []*core.Media
-	var prods []*Producer // matched producers for consumer
+	var prodStarts []*Producer
 
 	// Step 1. Get consumer medias
 	consMedias := cons.GetMedias()
@@ -23,15 +22,26 @@ func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
 
 	producers:
 		for prodN, prod := range s.producers {
+			// check for loop request, ex. `camera1: ffmpeg:camera1`
+			if info, ok := cons.(core.Info); ok && prod.url == info.GetSource() {
+				log.Trace().Msgf("[streams] skip cons=%d prod=%d", consN, prodN)
+				continue
+			}
+
+			if prodErrors[prodN] != nil {
+				log.Trace().Msgf("[streams] skip cons=%d prod=%d", consN, prodN)
+				continue
+			}
+
 			if err = prod.Dial(); err != nil {
-				log.Trace().Err(err).Msgf("[streams] skip prod=%s", prod.url)
-				prodErrors = append(prodErrors, err)
+				log.Trace().Err(err).Msgf("[streams] dial cons=%d prod=%d", consN, prodN)
+				prodErrors[prodN] = err
 				continue
 			}
 
 			// Step 2. Get producer medias (not tracks yet)
 			for _, prodMedia := range prod.GetMedias() {
-				log.Trace().Msgf("[streams] check prod=%d media=%s", prodN, prodMedia)
+				log.Trace().Msgf("[streams] check cons=%d prod=%d media=%s", consN, prodN, prodMedia)
 				prodMedias = append(prodMedias, prodMedia)
 
 				// Step 3. Match consumer/producer codecs list
@@ -44,11 +54,12 @@ func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
 
 				switch prodMedia.Direction {
 				case core.DirectionRecvonly:
-					log.Trace().Msgf("[streams] match prod=%d => cons=%d", prodN, consN)
+					log.Trace().Msgf("[streams] match cons=%d <= prod=%d", consN, prodN)
 
 					// Step 4. Get recvonly track from producer
 					if track, err = prod.GetTrack(prodMedia, prodCodec); err != nil {
 						log.Info().Err(err).Msg("[streams] can't get track")
+						prodErrors[prodN] = err
 						continue
 					}
 					// Step 5. Add track to consumer
@@ -68,11 +79,12 @@ func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
 					// Step 5. Add track to producer
 					if err = prod.AddTrack(prodMedia, prodCodec, track); err != nil {
 						log.Info().Err(err).Msg("[streams] can't add track")
+						prodErrors[prodN] = err
 						continue
 					}
 				}
 
-				prods = append(prods, prod)
+				prodStarts = append(prodStarts, prod)
 
 				if !consMedia.MatchAll() {
 					break producers
@@ -82,11 +94,11 @@ func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
 	}
 
 	// stop producers if they don't have readers
-	if atomic.AddInt32(&s.requests, -1) == 0 {
+	if s.pending.Add(-1) == 0 {
 		s.stopProducers()
 	}
 
-	if len(prods) == 0 {
+	if len(prodStarts) == 0 {
 		return formatError(consMedias, prodMedias, prodErrors)
 	}
 
@@ -95,7 +107,7 @@ func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
 	s.mu.Unlock()
 
 	// there may be duplicates, but that's not a problem
-	for _, prod := range prods {
+	for _, prod := range prodStarts {
 		prod.start()
 	}
 
@@ -103,13 +115,27 @@ func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
 }
 
 func formatError(consMedias, prodMedias []*core.Media, prodErrors []error) error {
+	// 1. Return errors if any not nil
+	var text string
+
+	for _, err := range prodErrors {
+		if err != nil {
+			text = appendString(text, err.Error())
+		}
+	}
+
+	if len(text) != 0 {
+		return errors.New("streams: " + text)
+	}
+
+	// 2. Return "codecs not matched"
 	if prodMedias != nil {
 		var prod, cons string
 
 		for _, media := range prodMedias {
 			if media.Direction == core.DirectionRecvonly {
 				for _, codec := range media.Codecs {
-					prod = appendString(prod, codec.PrintName())
+					prod = appendString(prod, media.Kind+":"+codec.PrintName())
 				}
 			}
 		}
@@ -117,7 +143,7 @@ func formatError(consMedias, prodMedias []*core.Media, prodErrors []error) error
 		for _, media := range consMedias {
 			if media.Direction == core.DirectionSendonly {
 				for _, codec := range media.Codecs {
-					cons = appendString(cons, codec.PrintName())
+					cons = appendString(cons, media.Kind+":"+codec.PrintName())
 				}
 			}
 		}
@@ -125,16 +151,7 @@ func formatError(consMedias, prodMedias []*core.Media, prodErrors []error) error
 		return errors.New("streams: codecs not matched: " + prod + " => " + cons)
 	}
 
-	if prodErrors != nil {
-		var text string
-
-		for _, err := range prodErrors {
-			text = appendString(text, err.Error())
-		}
-
-		return errors.New("streams: " + text)
-	}
-
+	// 3. Return unknown error
 	return errors.New("streams: unknown error")
 }
 

internal/streams/api.go

@@ -0,0 +1,124 @@
+package streams
+
+import (
+	"net/http"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/internal/app"
+	"github.com/AlexxIT/go2rtc/pkg/probe"
+)
+
+func apiStreams(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query()
+	src := query.Get("src")
+
+	// without source - return all streams list
+	if src == "" && r.Method != "POST" {
+		api.ResponseJSON(w, streams)
+		return
+	}
+
+	// Not sure about all this API. Should be rewrited...
+	switch r.Method {
+	case "GET":
+		stream := Get(src)
+		if stream == nil {
+			http.Error(w, "", http.StatusNotFound)
+			return
+		}
+
+		cons := probe.NewProbe(query)
+		if len(cons.Medias) != 0 {
+			cons.WithRequest(r)
+			if err := stream.AddConsumer(cons); err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return
+			}
+
+			api.ResponsePrettyJSON(w, stream)
+
+			stream.RemoveConsumer(cons)
+		} else {
+			api.ResponsePrettyJSON(w, streams[src])
+		}
+
+	case "PUT":
+		name := query.Get("name")
+		if name == "" {
+			name = src
+		}
+
+		if New(name, query["src"]...) == nil {
+			http.Error(w, "", http.StatusBadRequest)
+			return
+		}
+
+		if err := app.PatchConfig(name, query["src"], "streams"); err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+		}
+
+	case "PATCH":
+		name := query.Get("name")
+		if name == "" {
+			http.Error(w, "", http.StatusBadRequest)
+			return
+		}
+
+		// support {input} templates: https://github.com/AlexxIT/go2rtc#module-hass
+		if Patch(name, src) == nil {
+			http.Error(w, "", http.StatusBadRequest)
+		}
+
+	case "POST":
+		// with dst - redirect source to dst
+		if dst := query.Get("dst"); dst != "" {
+			if stream := Get(dst); stream != nil {
+				if err := Validate(src); err != nil {
+					http.Error(w, err.Error(), http.StatusBadRequest)
+				} else if err = stream.Play(src); err != nil {
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+				} else {
+					api.ResponseJSON(w, stream)
+				}
+			} else if stream = Get(src); stream != nil {
+				if err := Validate(dst); err != nil {
+					http.Error(w, err.Error(), http.StatusBadRequest)
+				} else if err = stream.Publish(dst); err != nil {
+					http.Error(w, err.Error(), http.StatusInternalServerError)
+				}
+			} else {
+				http.Error(w, "", http.StatusNotFound)
+			}
+		} else {
+			http.Error(w, "", http.StatusBadRequest)
+		}
+
+	case "DELETE":
+		delete(streams, src)
+
+		if err := app.PatchConfig(src, nil, "streams"); err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+		}
+	}
+}
+
+func apiStreamsDOT(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query()
+
+	dot := make([]byte, 0, 1024)
+	dot = append(dot, "digraph {\n"...)
+	if query.Has("src") {
+		for _, name := range query["src"] {
+			if stream := streams[name]; stream != nil {
+				dot = AppendDOT(dot, stream)
+			}
+		}
+	} else {
+		for _, stream := range streams {
+			dot = AppendDOT(dot, stream)
+		}
+	}
+	dot = append(dot, '}')
+
+	api.Response(w, dot, "text/vnd.graphviz")
+}

internal/streams/dot.go

@@ -0,0 +1,175 @@
+package streams
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+)
+
+func AppendDOT(dot []byte, stream *Stream) []byte {
+	for _, prod := range stream.producers {
+		if prod.conn == nil {
+			continue
+		}
+		c, err := marshalConn(prod.conn)
+		if err != nil {
+			continue
+		}
+		dot = c.appendDOT(dot, "producer")
+	}
+	for _, cons := range stream.consumers {
+		c, err := marshalConn(cons)
+		if err != nil {
+			continue
+		}
+		dot = c.appendDOT(dot, "consumer")
+	}
+	return dot
+}
+
+func marshalConn(v any) (*conn, error) {
+	b, err := json.Marshal(v)
+	if err != nil {
+		return nil, err
+	}
+	var c conn
+	if err = json.Unmarshal(b, &c); err != nil {
+		return nil, err
+	}
+	return &c, nil
+}
+
+const bytesK = "KMGTP"
+
+func humanBytes(i int) string {
+	if i < 1000 {
+		return fmt.Sprintf("%d B", i)
+	}
+
+	f := float64(i) / 1000
+	var n uint8
+	for f >= 1000 && n < 5 {
+		f /= 1000
+		n++
+	}
+	return fmt.Sprintf("%.2f %cB", f, bytesK[n])
+}
+
+type node struct {
+	ID     uint32         `json:"id"`
+	Codec  map[string]any `json:"codec"`
+	Parent uint32         `json:"parent"`
+	Childs []uint32       `json:"childs"`
+	Bytes  int            `json:"bytes"`
+	//Packets uint32         `json:"packets"`
+	//Drops   uint32         `json:"drops"`
+}
+
+var codecKeys = []string{"codec_name", "sample_rate", "channels", "profile", "level"}
+
+func (n *node) name() string {
+	if name, ok := n.Codec["codec_name"].(string); ok {
+		return name
+	}
+	return "unknown"
+}
+
+func (n *node) codec() []byte {
+	b := make([]byte, 0, 128)
+	for _, k := range codecKeys {
+		if v := n.Codec[k]; v != nil {
+			b = fmt.Appendf(b, "%s=%v\n", k, v)
+		}
+	}
+	if l := len(b); l > 0 {
+		return b[:l-1]
+	}
+	return b
+}
+
+func (n *node) appendDOT(dot []byte, group string) []byte {
+	dot = fmt.Appendf(dot, "%d [group=%s, label=%q, title=%q];\n", n.ID, group, n.name(), n.codec())
+	//for _, sink := range n.Childs {
+	//	dot = fmt.Appendf(dot, "%d -> %d;\n", n.ID, sink)
+	//}
+	return dot
+}
+
+type conn struct {
+	ID         uint32 `json:"id"`
+	FormatName string `json:"format_name"`
+	Protocol   string `json:"protocol"`
+	RemoteAddr string `json:"remote_addr"`
+	Source     string `json:"source"`
+	URL        string `json:"url"`
+	UserAgent  string `json:"user_agent"`
+	Receivers  []node `json:"receivers"`
+	Senders    []node `json:"senders"`
+	BytesRecv  int    `json:"bytes_recv"`
+	BytesSend  int    `json:"bytes_send"`
+}
+
+func (c *conn) appendDOT(dot []byte, group string) []byte {
+	host := c.host()
+	dot = fmt.Appendf(dot, "%s [group=host];\n", host)
+	dot = fmt.Appendf(dot, "%d [group=%s, label=%q, title=%q];\n", c.ID, group, c.FormatName, c.label())
+	if group == "producer" {
+		dot = fmt.Appendf(dot, "%s -> %d [label=%q];\n", host, c.ID, humanBytes(c.BytesRecv))
+	} else {
+		dot = fmt.Appendf(dot, "%d -> %s [label=%q];\n", c.ID, host, humanBytes(c.BytesSend))
+	}
+
+	for _, recv := range c.Receivers {
+		dot = fmt.Appendf(dot, "%d -> %d [label=%q];\n", c.ID, recv.ID, humanBytes(recv.Bytes))
+		dot = recv.appendDOT(dot, "node")
+	}
+	for _, send := range c.Senders {
+		dot = fmt.Appendf(dot, "%d -> %d [label=%q];\n", send.Parent, c.ID, humanBytes(send.Bytes))
+		//dot = fmt.Appendf(dot, "%d -> %d [label=%q];\n", send.ID, c.ID, humanBytes(send.Bytes))
+		//dot = send.appendDOT(dot, "node")
+	}
+	return dot
+}
+
+func (c *conn) host() (s string) {
+	if c.Protocol == "pipe" {
+		return "127.0.0.1"
+	}
+
+	if s = c.RemoteAddr; s == "" {
+		return "unknown"
+	}
+
+	if i := strings.Index(s, "forwarded"); i > 0 {
+		s = s[i+10:]
+	}
+
+	if s[0] == '[' {
+		if i := strings.Index(s, "]"); i > 0 {
+			return s[1:i]
+		}
+	}
+
+	if i := strings.IndexAny(s, " ,:"); i > 0 {
+		return s[:i]
+	}
+	return
+}
+
+func (c *conn) label() string {
+	var sb strings.Builder
+	sb.WriteString("format_name=" + c.FormatName)
+	if c.Protocol != "" {
+		sb.WriteString("\nprotocol=" + c.Protocol)
+	}
+	if c.Source != "" {
+		sb.WriteString("\nsource=" + c.Source)
+	}
+	if c.URL != "" {
+		sb.WriteString("\nurl=" + c.URL)
+	}
+	if c.UserAgent != "" {
+		sb.WriteString("\nuser_agent=" + c.UserAgent)
+	}
+	return sb.String()
+}

internal/streams/handlers.go

@@ -7,7 +7,7 @@ import (
 	"github.com/AlexxIT/go2rtc/pkg/core"
 )
 
-type Handler func(url string) (core.Producer, error)
+type Handler func(source string) (core.Producer, error)
 
 var handlers = map[string]Handler{}
 

internal/streams/helpers.go

@@ -6,6 +6,9 @@ import (
 )
 
 func ParseQuery(s string) url.Values {
+	if len(s) == 0 {
+		return nil
+	}
 	params := url.Values{}
 	for _, key := range strings.Split(s, "#") {
 		var value string

internal/streams/play.go

@@ -2,6 +2,8 @@ package streams
 
 import (
 	"errors"
+	"time"
+
 	"github.com/AlexxIT/go2rtc/pkg/core"
 )
 
@@ -80,18 +82,20 @@ func (s *Stream) Play(source string) error {
 		s.AddInternalProducer(src)
 		s.AddInternalConsumer(cons)
 
-		go func() {
-			_ = src.Start()
-			_ = dst.Stop()
-			s.RemoveProducer(src)
-		}()
-
 		go func() {
 			_ = dst.Start()
 			_ = src.Stop()
 			s.RemoveInternalConsumer(cons)
 		}()
 
+		go func() {
+			_ = src.Start()
+			// little timeout before stop dst, so the buffer can be transferred
+			time.Sleep(time.Second)
+			_ = dst.Stop()
+			s.RemoveProducer(src)
+		}()
+
 		return nil
 	}
 
@@ -99,7 +103,7 @@ func (s *Stream) Play(source string) error {
 }
 
 func (s *Stream) AddInternalProducer(conn core.Producer) {
-	producer := &Producer{conn: conn, state: stateInternal}
+	producer := &Producer{conn: conn, state: stateInternal, url: "internal"}
 	s.mu.Lock()
 	s.producers = append(s.producers, producer)
 	s.mu.Unlock()

internal/streams/producer.go

@@ -132,11 +132,10 @@ func (p *Producer) AddTrack(media *core.Media, codec *core.Codec, track *core.Re
 }
 
 func (p *Producer) MarshalJSON() ([]byte, error) {
-	if p.conn != nil {
-		return json.Marshal(p.conn)
+	if conn := p.conn; conn != nil {
+		return json.Marshal(conn)
 	}
-
-	info := core.Info{URL: p.url}
+	info := map[string]string{"url": p.url}
 	return json.Marshal(info)
 }
 
@@ -207,7 +206,7 @@ func (p *Producer) reconnect(workerID, retry int) {
 	for _, media := range conn.GetMedias() {
 		switch media.Direction {
 		case core.DirectionRecvonly:
-			for _, receiver := range p.receivers {
+			for i, receiver := range p.receivers {
 				codec := media.MatchCodec(receiver.Codec)
 				if codec == nil {
 					continue
@@ -219,6 +218,7 @@ func (p *Producer) reconnect(workerID, retry int) {
 				}
 
 				receiver.Replace(track)
+				p.receivers[i] = track
 				break
 			}
 
@@ -234,6 +234,9 @@ func (p *Producer) reconnect(workerID, retry int) {
 		}
 	}
 
+	// stop previous connection after moving tracks (fix ghost exec/ffmpeg)
+	_ = p.conn.Stop()
+	// swap connections
 	p.conn = conn
 
 	go p.worker(conn, workerID)
@@ -245,10 +248,10 @@ func (p *Producer) stop() {
 
 	switch p.state {
 	case stateExternal:
-		log.Debug().Msgf("[streams] can't stop external producer")
+		log.Trace().Msgf("[streams] skip stop external producer")
 		return
 	case stateNone:
-		log.Debug().Msgf("[streams] can't stop none producer")
+		log.Trace().Msgf("[streams] skip stop none producer")
 		return
 	case stateStart:
 		p.workerID++

internal/streams/stream.go

@@ -3,6 +3,7 @@ package streams
 import (
 	"encoding/json"
 	"sync"
+	"sync/atomic"
 
 	"github.com/AlexxIT/go2rtc/pkg/core"
 )
@@ -11,7 +12,7 @@ type Stream struct {
 	producers []*Producer
 	consumers []core.Consumer
 	mu        sync.Mutex
-	requests  int32
+	pending   atomic.Int32
 }
 
 func NewStream(source any) *Stream {
@@ -20,10 +21,21 @@ func NewStream(source any) *Stream {
 		return &Stream{
 			producers: []*Producer{NewProducer(source)},
 		}
+	case []string:
+		s := new(Stream)
+		for _, str := range source {
+			s.producers = append(s.producers, NewProducer(str))
+		}
+		return s
 	case []any:
 		s := new(Stream)
-		for _, source := range source {
-			s.producers = append(s.producers, NewProducer(source.(string)))
+		for _, src := range source {
+			str, ok := src.(string)
+			if !ok {
+				log.Error().Msgf("[stream] NewStream: Expected string, got %v", src)
+				continue
+			}
+			s.producers = append(s.producers, NewProducer(str))
 		}
 		return s
 	case map[string]any:
@@ -64,7 +76,7 @@ func (s *Stream) RemoveConsumer(cons core.Consumer) {
 }
 
 func (s *Stream) AddProducer(prod core.Producer) {
-	producer := &Producer{conn: prod, state: stateExternal}
+	producer := &Producer{conn: prod, state: stateExternal, url: "external"}
 	s.mu.Lock()
 	s.producers = append(s.producers, producer)
 	s.mu.Unlock()
@@ -82,6 +94,11 @@ func (s *Stream) RemoveProducer(prod core.Producer) {
 }
 
 func (s *Stream) stopProducers() {
+	if s.pending.Load() > 0 {
+		log.Trace().Msg("[streams] skip stop pending producer")
+		return
+	}
+
 	s.mu.Lock()
 producers:
 	for _, producer := range s.producers {
@@ -101,19 +118,12 @@ producers:
 }
 
 func (s *Stream) MarshalJSON() ([]byte, error) {
-	if !s.mu.TryLock() {
-		log.Warn().Msgf("[streams] json locked")
-		return json.Marshal(nil)
-	}
-
-	var info struct {
+	var info = struct {
 		Producers []*Producer     `json:"producers"`
 		Consumers []core.Consumer `json:"consumers"`
+	}{
+		Producers: s.producers,
+		Consumers: s.consumers,
 	}
-	info.Producers = s.producers
-	info.Consumers = s.consumers
-
-	s.mu.Unlock()
-
 	return json.Marshal(info)
 }

internal/streams/stream_test.go

@@ -10,7 +10,7 @@ import (
 
 func TestRecursion(t *testing.T) {
 	// create stream with some source
-	stream1 := New("from_yaml", "does not matter")
+	stream1 := New("from_yaml", "does_not_matter")
 	require.Len(t, streams, 1)
 
 	// ask another unnamed stream that links go2rtc

internal/streams/streams.go

@@ -1,7 +1,7 @@
 package streams
 
 import (
-	"net/http"
+	"errors"
 	"net/url"
 	"regexp"
 	"sync"
@@ -26,7 +26,8 @@ func Init() {
 		streams[name] = NewStream(item)
 	}
 
-	api.HandleFunc("api/streams", streamsHandler)
+	api.HandleFunc("api/streams", apiStreams)
+	api.HandleFunc("api/streams.dot", apiStreamsDOT)
 
 	if cfg.Publish == nil {
 		return
@@ -47,14 +48,26 @@ func Get(name string) *Stream {
 
 var sanitize = regexp.MustCompile(`\s`)
 
-func New(name string, source string) *Stream {
-	// not allow creating dynamic streams with spaces in the source
+// Validate - not allow creating dynamic streams with spaces in the source
+func Validate(source string) error {
 	if sanitize.MatchString(source) {
-		return nil
+		return errors.New("streams: invalid dynamic source")
+	}
+	return nil
+}
+
+func New(name string, sources ...string) *Stream {
+	for _, source := range sources {
+		if Validate(source) != nil {
+			return nil
+		}
 	}
 
-	stream := NewStream(source)
+	stream := NewStream(sources)
+
+	streamsMu.Lock()
 	streams[name] = stream
+	streamsMu.Unlock()
 	return stream
 }
 
@@ -87,6 +100,10 @@ func Patch(name string, source string) *Stream {
 		return nil
 	}
 
+	if Validate(source) != nil {
+		return nil
+	}
+
 	// check an existing stream with this name
 	if stream, ok := streams[name]; ok {
 		stream.SetSource(source)
@@ -94,7 +111,9 @@ func Patch(name string, source string) *Stream {
 	}
 
 	// create new stream with this name
-	return New(name, source)
+	stream := NewStream(source)
+	streams[name] = stream
+	return stream
 }
 
 func GetOrPatch(query url.Values) *Stream {
@@ -135,77 +154,6 @@ func Delete(id string) {
 	delete(streams, id)
 }
 
-func streamsHandler(w http.ResponseWriter, r *http.Request) {
-	query := r.URL.Query()
-	src := query.Get("src")
-
-	// without source - return all streams list
-	if src == "" && r.Method != "POST" {
-		api.ResponseJSON(w, streams)
-		return
-	}
-
-	// Not sure about all this API. Should be rewrited...
-	switch r.Method {
-	case "GET":
-		api.ResponsePrettyJSON(w, streams[src])
-
-	case "PUT":
-		name := query.Get("name")
-		if name == "" {
-			name = src
-		}
-
-		if New(name, src) == nil {
-			http.Error(w, "", http.StatusBadRequest)
-			return
-		}
-
-		if err := app.PatchConfig(name, src, "streams"); err != nil {
-			http.Error(w, err.Error(), http.StatusBadRequest)
-		}
-
-	case "PATCH":
-		name := query.Get("name")
-		if name == "" {
-			http.Error(w, "", http.StatusBadRequest)
-			return
-		}
-
-		// support {input} templates: https://github.com/AlexxIT/go2rtc#module-hass
-		if Patch(name, src) == nil {
-			http.Error(w, "", http.StatusBadRequest)
-		}
-
-	case "POST":
-		// with dst - redirect source to dst
-		if dst := query.Get("dst"); dst != "" {
-			if stream := Get(dst); stream != nil {
-				if err := stream.Play(src); err != nil {
-					http.Error(w, err.Error(), http.StatusInternalServerError)
-				} else {
-					api.ResponseJSON(w, stream)
-				}
-			} else if stream = Get(src); stream != nil {
-				if err := stream.Publish(dst); err != nil {
-					http.Error(w, err.Error(), http.StatusInternalServerError)
-				}
-			} else {
-				http.Error(w, "", http.StatusNotFound)
-			}
-		} else {
-			http.Error(w, "", http.StatusBadRequest)
-		}
-
-	case "DELETE":
-		delete(streams, src)
-
-		if err := app.PatchConfig(src, nil, "streams"); err != nil {
-			http.Error(w, err.Error(), http.StatusBadRequest)
-		}
-	}
-}
-
 var log zerolog.Logger
 var streams = map[string]*Stream{}
 var streamsMu sync.Mutex

internal/tapo/tapo.go

@@ -8,11 +8,15 @@ import (
 )
 
 func Init() {
-	streams.HandleFunc("kasa", func(url string) (core.Producer, error) {
-		return kasa.Dial(url)
+	streams.HandleFunc("kasa", func(source string) (core.Producer, error) {
+		return kasa.Dial(source)
 	})
 
-	streams.HandleFunc("tapo", func(url string) (core.Producer, error) {
-		return tapo.Dial(url)
+	streams.HandleFunc("tapo", func(source string) (core.Producer, error) {
+		return tapo.Dial(source)
+	})
+
+	streams.HandleFunc("vigi", func(source string) (core.Producer, error) {
+		return tapo.Dial(source)
 	})
 }

internal/webrtc/README.md

@@ -1,13 +1,105 @@
+What you should to know about WebRTC:
+
+- It's almost always a **direct [peer-to-peer](https://en.wikipedia.org/wiki/Peer-to-peer) connection** from your browser to go2rtc app
+- When you use Home Assistant, Frigate, Nginx, Nabu Casa, Cloudflare and other software - they are only **involved in establishing** the connection, but they are **not involved in transferring** media data
+- WebRTC media cannot be transferred inside an HTTP connection
+- Usually, WebRTC uses random UDP ports on client and server side to establish a connection
+- Usually, WebRTC uses public [STUN](https://en.wikipedia.org/wiki/STUN) servers to establish a connection outside LAN, such servers are only needed to establish a connection and are not involved in data transfer
+- Usually, WebRTC will automatically discover all of your local addresses and all of your public addresses and try to establish a connection
+
+If an external connection via STUN is used:
+
+- Uses [UDP hole punching](https://en.wikipedia.org/wiki/UDP_hole_punching) technology to bypass NAT even if you not open your server to the World
+- For about 20% of users, the techology will not work because of the [Symmetric NAT](https://tomchen.github.io/symmetric-nat-test/)
+- UDP is not suitable for transmitting 2K and 4K high bitrate video over open networks because of the high loss rate
+
+## Default config
+
+```yaml
+webrtc:
+  listen: ":8555/tcp"
+  ice_servers:
+    - urls: [ "stun:stun.l.google.com:19302" ]
+```
+
 ## Config
 
-- supported TCP: fixed port (default), disabled 
-- supported UDP: random port (default), fixed port
+**Important!** This example is not for copypasting!
 
-| Config examples       | TCP   | UDP    |
-|-----------------------|-------|--------|
-| `listen: ":8555/tcp"` | fixed | random |
-| `listen: ":8555"`     | fixed | fixed  |
-| `listen: ""`          | no    | random |
+```yaml
+webrtc:
+  # fix local TCP or UDP or both ports for WebRTC media
+  listen: ":8555/tcp"        # address of your local server
+
+  # add additional host candidates manually
+  # order is important, the first will have a higher priority
+  candidates:
+    - 216.58.210.174:8555    # if you have static public IP-address
+    - stun:8555              # if you have dynamic public IP-address
+    - home.duckdns.org:8555  # if you have domain
+
+  # add custom STUN and TURN servers
+  # use `ice_servers: []` for remove defaults and leave empty
+  ice_servers:
+    - urls: [ stun:stun1.l.google.com:19302 ]
+    - urls: [ turn:123.123.123.123:3478 ]
+      username: your_user
+      credential: your_pass
+
+  # optional filter list for auto discovery logic
+  # some settings only make sense if you don't specify a fixed UDP port  
+  filters:
+    # list of host candidates from auto discovery to be sent
+    # including candidates from the `listen` option
+    # use `candidates: []` to remove all auto discovery candidates
+    candidates: [ 192.168.1.123 ]
+
+    # list of network types to be used for connection
+    # including candidates from the `listen` option
+    networks: [ udp4, udp6, tcp4, tcp6 ]
+
+    # list of interfaces to be used for connection
+    # not related to the `listen` option
+    interfaces: [ eno1 ]
+
+    # list of host IP-addresses to be used for connection
+    # not related to the `listen` option
+    ips: [ 192.168.1.123 ]
+
+    # range for random UDP ports [min, max] to be used for connection
+    # not related to the `listen` option
+    udp_ports: [ 50000, 50100 ]
+```
+
+By default go2rtc uses **fixed TCP** port and multiple **random UDP** ports for each WebRTC connection - `listen: ":8555/tcp"`.
+
+You can set **fixed TCP** and **fixed UDP** port for all connections - `listen: ":8555"`. This may has lower performance, but it's your choice. 
+
+Don't know why, but you can disable TCP port and leave only random UDP ports - `listen: ""`.
+
+## Config filters
+
+Filters allow you to exclude unnecessary candidates. Extra candidates don't make your connection worse or better. But the wrong filter settings can break everything. Skip this setting if you don't understand it.
+
+For example, go2rtc is installed on the host system. And there are unnecessary interfaces. You can keep only the relevant via `interfaces` or `ips` options. You can also exclude IPv6 candidates if your server supports them but your home network does not.
+
+```yaml
+webrtc:
+  listen: ":8555/tcp"         # use fixed TCP port and random UDP ports
+  filters:
+    ips: [ 192.168.1.2 ]      # IP-address of your server
+    networks: [ udp4, tcp4 ]  # skip IPv6, if it's not supported for you
+```
+
+For example, go2rtc inside closed docker container (ex. [Frigate](https://frigate.video/)). You shouldn't filter docker interfaces, otherwise go2rtc will not be able to connect anywhere. But you can filter the docker candidates because no one can connect to them.
+
+```yaml
+webrtc:
+  listen: ":8555"                   # use fixed TCP and UDP ports
+  candidates: [ 192.168.1.2:8555 ]  # add manual host candidate (use docker port forwarding)
+  filters:
+    candidates: []                  # skip all internal docker candidates
+```
 
 ## Userful links
 

internal/webrtc/candidates.go

@@ -2,57 +2,60 @@ package webrtc
 
 import (
 	"net"
+	"strings"
 
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/webrtc"
-	"github.com/pion/sdp/v3"
+	pion "github.com/pion/webrtc/v3"
 )
 
 type Address struct {
-	Host    string
-	Port    string
-	Network string
-	Offset  int
+	host     string
+	Port     string
+	Network  string
+	Priority uint32
 }
 
-func (a *Address) Marshal() string {
-	host := a.Host
-	if host == "stun" {
+func (a *Address) Host() string {
+	if a.host == "stun" {
 		ip, err := webrtc.GetCachedPublicIP()
 		if err != nil {
 			return ""
 		}
-		host = ip.String()
+		return ip.String()
 	}
+	return a.host
+}
 
-	switch a.Network {
-	case "udp":
-		return webrtc.CandidateManualHostUDP(host, a.Port, a.Offset)
-	case "tcp":
-		return webrtc.CandidateManualHostTCPPassive(host, a.Port, a.Offset)
+func (a *Address) Marshal() string {
+	if host := a.Host(); host != "" {
+		return webrtc.CandidateICE(a.Network, host, a.Port, a.Priority)
 	}
-
 	return ""
 }
 
 var addresses []*Address
+var filters webrtc.Filters
+
+func AddCandidate(network, address string) {
+	if network == "" {
+		AddCandidate("tcp", address)
+		AddCandidate("udp", address)
+		return
+	}
 
-func AddCandidate(address, network string) {
 	host, port, err := net.SplitHostPort(address)
 	if err != nil {
 		return
 	}
 
-	offset := -1 - len(addresses) // every next candidate will have a lower priority
+	// start from 1, so manual candidates will be lower than built-in
+	// and every next candidate will have a lower priority
+	candidateIndex := 1 + len(addresses)
 
-	switch network {
-	case "tcp", "udp":
-		addresses = append(addresses, &Address{host, port, network, offset})
-	default:
-		addresses = append(
-			addresses, &Address{host, port, "udp", offset}, &Address{host, port, "tcp", offset},
-		)
-	}
+	priority := webrtc.CandidateHostPriority(network, candidateIndex)
+	addresses = append(addresses, &Address{host, port, network, priority})
 }
 
 func GetCandidates() (candidates []string) {
@@ -64,6 +67,38 @@ func GetCandidates() (candidates []string) {
 	return
 }
 
+// FilterCandidate return true if candidate passed the check
+func FilterCandidate(candidate *pion.ICECandidate) bool {
+	if candidate == nil {
+		return false
+	}
+
+	// host candidate should be in the hosts list
+	if candidate.Typ == pion.ICECandidateTypeHost && filters.Candidates != nil {
+		if !core.Contains(filters.Candidates, candidate.Address) {
+			return false
+		}
+	}
+
+	if filters.Networks != nil {
+		networkType := NetworkType(candidate.Protocol.String(), candidate.Address)
+		if !core.Contains(filters.Networks, networkType) {
+			return false
+		}
+	}
+
+	return true
+}
+
+// NetworkType convert tcp/udp network to tcp4/tcp6/udp4/udp6
+func NetworkType(network, host string) string {
+	if strings.IndexByte(host, ':') >= 0 {
+		return network + "6"
+	} else {
+		return network + "4"
+	}
+}
+
 func asyncCandidates(tr *ws.Transport, cons *webrtc.Conn) {
 	tr.WithContext(func(ctx map[any]any) {
 		if candidates, ok := ctx["candidate"].([]string); ok {
@@ -86,30 +121,6 @@ func asyncCandidates(tr *ws.Transport, cons *webrtc.Conn) {
 	}
 }
 
-func syncCanditates(answer string) (string, error) {
-	if len(addresses) == 0 {
-		return answer, nil
-	}
-
-	sd := &sdp.SessionDescription{}
-	if err := sd.Unmarshal([]byte(answer)); err != nil {
-		return "", err
-	}
-
-	md := sd.MediaDescriptions[0]
-
-	for _, candidate := range GetCandidates() {
-		md.WithPropertyAttribute(candidate)
-	}
-
-	data, err := sd.Marshal()
-	if err != nil {
-		return "", err
-	}
-
-	return string(data), nil
-}
-
 func candidateHandler(tr *ws.Transport, msg *ws.Message) error {
 	// process incoming candidate in sync function
 	tr.WithContext(func(ctx map[any]any) {

internal/webrtc/client.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
@@ -40,7 +41,7 @@ func streamsHandler(rawURL string) (core.Producer, error) {
 				// https://aws.amazon.com/kinesis/video-streams/
 				// https://docs.aws.amazon.com/kinesisvideostreams-webrtc-dg/latest/devguide/what-is-kvswebrtc.html
 				// https://github.com/orgs/awslabs/repositories?q=kinesis+webrtc
-				return kinesisClient(rawURL, query, "WebRTC/Kinesis")
+				return kinesisClient(rawURL, query, "webrtc/kinesis")
 			} else if format == "openipc" {
 				return openIPCClient(rawURL, query)
 			} else {
@@ -48,7 +49,9 @@ func streamsHandler(rawURL string) (core.Producer, error) {
 			}
 
 		case "http", "https":
-			if format == "wyze" {
+			if format == "milestone" {
+				return milestoneClient(rawURL, query)
+			} else if format == "wyze" {
 				// https://github.com/mrlt8/docker-wyze-bridge
 				return wyzeClient(rawURL)
 			} else {
@@ -74,22 +77,31 @@ func go2rtcClient(url string) (core.Producer, error) {
 	// 2. Create PeerConnection
 	pc, err := PeerConnection(true)
 	if err != nil {
-		log.Error().Err(err).Caller().Send()
 		return nil, err
 	}
 
+	defer func() {
+		if err != nil {
+			_ = pc.Close()
+		}
+	}()
+
 	// waiter will wait PC error or WS error or nil (connection OK)
 	var connState core.Waiter
+	var connMu sync.Mutex
 
 	prod := webrtc.NewConn(pc)
-	prod.Desc = "WebRTC/WebSocket async"
 	prod.Mode = core.ModeActiveProducer
+	prod.Protocol = "ws"
+	prod.URL = url
 	prod.Listen(func(msg any) {
 		switch msg := msg.(type) {
 		case *pion.ICECandidate:
 			s := msg.ToJSON().Candidate
 			log.Trace().Str("candidate", s).Msg("[webrtc] local ")
+			connMu.Lock()
 			_ = conn.WriteJSON(&ws.Message{Type: "webrtc/candidate", Value: s})
+			connMu.Unlock()
 
 		case pion.PeerConnectionState:
 			switch msg {
@@ -116,9 +128,9 @@ func go2rtcClient(url string) (core.Producer, error) {
 
 	// 4. Send offer
 	msg := &ws.Message{Type: "webrtc/offer", Value: offer}
-	if err = conn.WriteJSON(msg); err != nil {
-		return nil, err
-	}
+	connMu.Lock()
+	_ = conn.WriteJSON(msg)
+	connMu.Unlock()
 
 	// 5. Get answer
 	if err = conn.ReadJSON(msg); err != nil {
@@ -126,7 +138,8 @@ func go2rtcClient(url string) (core.Producer, error) {
 	}
 
 	if msg.Type != "webrtc/answer" {
-		return nil, errors.New("wrong answer: " + msg.Type)
+		err = errors.New("wrong answer: " + msg.String())
+		return nil, err
 	}
 
 	answer := msg.String()
@@ -174,8 +187,9 @@ func whepClient(url string) (core.Producer, error) {
 	}
 
 	prod := webrtc.NewConn(pc)
-	prod.Desc = "WebRTC/WHEP sync"
 	prod.Mode = core.ModeActiveProducer
+	prod.Protocol = "http"
+	prod.URL = url
 
 	medias := []*core.Media{
 		{Kind: core.KindVideo, Direction: core.DirectionRecvonly},
@@ -189,10 +203,10 @@ func whepClient(url string) (core.Producer, error) {
 	}
 
 	req, err := http.NewRequest("POST", url, strings.NewReader(offer))
-	req.Header.Set("Content-Type", MimeSDP)
 	if err != nil {
 		return nil, err
 	}
+	req.Header.Set("Content-Type", MimeSDP)
 
 	client := http.Client{Timeout: time.Second * 5000}
 	defer client.CloseIdleConnections()

internal/webrtc/kinesis.go

@@ -34,7 +34,7 @@ func (k kinesisResponse) String() string {
 	return fmt.Sprintf("type=%s, payload=%s", k.Type, k.Payload)
 }
 
-func kinesisClient(rawURL string, query url.Values, desc string) (core.Producer, error) {
+func kinesisClient(rawURL string, query url.Values, format string) (core.Producer, error) {
 	// 1. Connect to signalign server
 	conn, _, err := websocket.DefaultDialer.Dial(rawURL, nil)
 	if err != nil {
@@ -79,8 +79,10 @@ func kinesisClient(rawURL string, query url.Values, desc string) (core.Producer,
 	}
 
 	prod := webrtc.NewConn(pc)
-	prod.Desc = desc
+	prod.FormatName = format
 	prod.Mode = core.ModeActiveProducer
+	prod.Protocol = "ws"
+	prod.URL = rawURL
 	prod.Listen(func(msg any) {
 		switch msg := msg.(type) {
 		case *pion.ICECandidate:
@@ -216,5 +218,5 @@ func wyzeClient(rawURL string) (core.Producer, error) {
 		"ice_servers": []string{string(kvs.Servers)},
 	}
 
-	return kinesisClient(kvs.URL, query, "WebRTC/Wyze")
+	return kinesisClient(kvs.URL, query, "webrtc/wyze")
 }

internal/webrtc/milestone.go

@@ -0,0 +1,220 @@
+package webrtc
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/AlexxIT/go2rtc/pkg/tcp"
+	"github.com/AlexxIT/go2rtc/pkg/webrtc"
+	pion "github.com/pion/webrtc/v3"
+)
+
+// This package handles the Milestone WebRTC session lifecycle, including authentication,
+// session creation, and session update with an SDP answer. It is designed to be used with
+// a specific URL format that encodes session parameters. For example:
+// webrtc:https://milestone-host/api#format=milestone#username=User#password=TestPassword#cameraId=a539f254-af05-4d67-a1bb-cd9b3c74d122
+//
+// https://github.com/milestonesys/mipsdk-samples-protocol/tree/main/WebRTC_JavaScript
+
+type milestoneAPI struct {
+	url       string
+	query     url.Values
+	token     string
+	sessionID string
+}
+
+func (m *milestoneAPI) GetToken() error {
+	data := url.Values{
+		"client_id":  {"GrantValidatorClient"},
+		"grant_type": {"password"},
+		"username":   m.query["username"],
+		"password":   m.query["password"],
+	}
+
+	req, err := http.NewRequest("POST", m.url+"/IDP/connect/token", strings.NewReader(data.Encode()))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+	// support httpx protocol
+	res, err := tcp.Do(req)
+	if err != nil {
+		return err
+	}
+	defer res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		return errors.New("milesone: authentication failed: " + res.Status)
+	}
+
+	var payload map[string]interface{}
+	if err = json.NewDecoder(res.Body).Decode(&payload); err != nil {
+		return err
+	}
+
+	token, ok := payload["access_token"].(string)
+	if !ok {
+		return errors.New("milesone: token not found in the response")
+	}
+
+	m.token = token
+
+	return nil
+}
+
+func parseFloat(s string) float64 {
+	if s == "" {
+		return 0
+	}
+	f, _ := strconv.ParseFloat(s, 64)
+	return f
+}
+
+func (m *milestoneAPI) GetOffer() (string, error) {
+	request := struct {
+		CameraId         string `json:"cameraId"`
+		StreamId         string `json:"streamId,omitempty"`
+		PlaybackTimeNode struct {
+			PlaybackTime string  `json:"playbackTime,omitempty"`
+			SkipGaps     bool    `json:"skipGaps,omitempty"`
+			Speed        float64 `json:"speed,omitempty"`
+		} `json:"playbackTimeNode,omitempty"`
+		//ICEServers []string `json:"iceServers,omitempty"`
+		//Resolution string   `json:"resolution,omitempty"`
+	}{
+		CameraId: m.query.Get("cameraId"),
+		StreamId: m.query.Get("streamId"),
+	}
+	request.PlaybackTimeNode.PlaybackTime = m.query.Get("playbackTime")
+	request.PlaybackTimeNode.SkipGaps = m.query.Has("skipGaps")
+	request.PlaybackTimeNode.Speed = parseFloat(m.query.Get("speed"))
+
+	data, err := json.Marshal(request)
+	if err != nil {
+		return "", err
+	}
+
+	req, err := http.NewRequest("POST", m.url+"/REST/v1/WebRTC/Session", bytes.NewBuffer(data))
+	if err != nil {
+		return "", err
+	}
+	req.Header.Set("Authorization", "Bearer "+m.token)
+	req.Header.Set("Content-Type", "application/json")
+
+	res, err := tcp.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		return "", errors.New("milesone: create session: " + res.Status)
+	}
+
+	var response struct {
+		SessionId string `json:"sessionId"`
+		OfferSDP  string `json:"offerSDP"`
+	}
+	if err = json.NewDecoder(res.Body).Decode(&response); err != nil {
+		return "", err
+	}
+
+	var offer pion.SessionDescription
+	if err = json.Unmarshal([]byte(response.OfferSDP), &offer); err != nil {
+		return "", err
+	}
+
+	m.sessionID = response.SessionId
+
+	return offer.SDP, nil
+}
+
+func (m *milestoneAPI) SetAnswer(sdp string) error {
+	answer := pion.SessionDescription{
+		Type: pion.SDPTypeAnswer,
+		SDP:  sdp,
+	}
+	data, err := json.Marshal(answer)
+	if err != nil {
+		return err
+	}
+
+	request := struct {
+		AnswerSDP string `json:"answerSDP"`
+	}{
+		AnswerSDP: string(data),
+	}
+	if data, err = json.Marshal(request); err != nil {
+		return err
+	}
+
+	req, err := http.NewRequest("PATCH", m.url+"/REST/v1/WebRTC/Session/"+m.sessionID, bytes.NewBuffer(data))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Authorization", "Bearer "+m.token)
+	req.Header.Set("Content-Type", "application/json")
+
+	res, err := tcp.Do(req)
+	if err != nil {
+		return err
+	}
+	defer res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		return errors.New("milesone: patch session: " + res.Status)
+	}
+
+	return nil
+}
+
+func milestoneClient(rawURL string, query url.Values) (core.Producer, error) {
+	mc := &milestoneAPI{url: rawURL, query: query}
+	if err := mc.GetToken(); err != nil {
+		return nil, err
+	}
+
+	api, err := webrtc.NewAPI()
+	if err != nil {
+		return nil, err
+	}
+
+	conf := pion.Configuration{}
+	pc, err := api.NewPeerConnection(conf)
+	if err != nil {
+		return nil, err
+	}
+
+	prod := webrtc.NewConn(pc)
+	prod.FormatName = "webrtc/milestone"
+	prod.Mode = core.ModeActiveProducer
+	prod.Protocol = "http"
+	prod.URL = rawURL
+
+	offer, err := mc.GetOffer()
+	if err != nil {
+		return nil, err
+	}
+
+	if err = prod.SetOffer(offer); err != nil {
+		return nil, err
+	}
+
+	answer, err := prod.GetAnswer()
+	if err != nil {
+		return nil, err
+	}
+
+	if err = mc.SetAnswer(answer); err != nil {
+		return nil, err
+	}
+
+	return prod, nil
+}

internal/webrtc/openipc.go

@@ -53,8 +53,10 @@ func openIPCClient(rawURL string, query url.Values) (core.Producer, error) {
 	var connState core.Waiter
 
 	prod := webrtc.NewConn(pc)
-	prod.Desc = "WebRTC/OpenIPC"
+	prod.FormatName = "webrtc/openipc"
 	prod.Mode = core.ModeActiveProducer
+	prod.Protocol = "ws"
+	prod.URL = rawURL
 	prod.Listen(func(msg any) {
 		switch msg := msg.(type) {
 		case *pion.ICECandidate:

internal/webrtc/server.go

@@ -65,6 +65,7 @@ func outputWebRTC(w http.ResponseWriter, r *http.Request) {
 	url := r.URL.Query().Get("src")
 	stream := streams.Get(url)
 	if stream == nil {
+		http.Error(w, api.StreamNotFound, http.StatusNotFound)
 		return
 	}
 
@@ -100,11 +101,11 @@ func outputWebRTC(w http.ResponseWriter, r *http.Request) {
 
 	switch mediaType {
 	case "application/json":
-		desc = "WebRTC/JSON sync"
+		desc = "webrtc/json"
 	case MimeSDP:
-		desc = "WebRTC/WHEP sync"
+		desc = "webrtc/whep"
 	default:
-		desc = "WebRTC/HTTP sync"
+		desc = "webrtc/post"
 	}
 
 	answer, err := ExchangeSDP(stream, offer, desc, r.UserAgent())
@@ -168,8 +169,8 @@ func inputWebRTC(w http.ResponseWriter, r *http.Request) {
 
 	// create new webrtc instance
 	prod := webrtc.NewConn(pc)
-	prod.Desc = "WebRTC/WHIP sync"
 	prod.Mode = core.ModePassiveProducer
+	prod.Protocol = "http"
 	prod.UserAgent = r.UserAgent()
 
 	if err = prod.SetOffer(string(offer)); err != nil {
@@ -178,10 +179,7 @@ func inputWebRTC(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	answer, err := prod.GetCompleteAnswer()
-	if err == nil {
-		answer, err = syncCanditates(answer)
-	}
+	answer, err := prod.GetCompleteAnswer(GetCandidates(), FilterCandidate)
 	if err != nil {
 		log.Warn().Err(err).Caller().Send()
 		http.Error(w, err.Error(), http.StatusInternalServerError)

internal/webrtc/webrtc.go

@@ -20,6 +20,7 @@ func Init() {
 			Listen     string           `yaml:"listen"`
 			Candidates []string         `yaml:"candidates"`
 			IceServers []pion.ICEServer `yaml:"ice_servers"`
+			Filters    webrtc.Filters   `yaml:"filters"`
 		} `yaml:"webrtc"`
 	}
 
@@ -32,31 +33,27 @@ func Init() {
 
 	log = app.GetLogger("webrtc")
 
+	filters = cfg.Mod.Filters
+
 	address, network, _ := strings.Cut(cfg.Mod.Listen, "/")
-
-	var candidateHost []string
 	for _, candidate := range cfg.Mod.Candidates {
-		if strings.HasPrefix(candidate, "host:") {
-			candidateHost = append(candidateHost, candidate[5:])
-			continue
-		}
-
-		AddCandidate(candidate, network)
+		AddCandidate(network, candidate)
 	}
 
+	var err error
+
 	// create pionAPI with custom codecs list and custom network settings
-	serverAPI, err := webrtc.NewServerAPI(address, network, candidateHost)
+	serverAPI, err = webrtc.NewServerAPI(network, address, &filters)
 	if err != nil {
 		log.Error().Err(err).Caller().Send()
 		return
 	}
 
 	// use same API for WebRTC server and client if no address
-	clientAPI := serverAPI
+	clientAPI = serverAPI
 
 	if address != "" {
-		log.Info().Str("addr", address).Msg("[webrtc] listen")
-
+		log.Info().Str("addr", cfg.Mod.Listen).Msg("[webrtc] listen")
 		clientAPI, _ = webrtc.NewAPI()
 	}
 
@@ -86,11 +83,13 @@ func Init() {
 	streams.HandleFunc("webrtc", streamsHandler)
 }
 
+var serverAPI, clientAPI *pion.API
+
 var log zerolog.Logger
 
 var PeerConnection func(active bool) (*pion.PeerConnection, error)
 
-func asyncHandler(tr *ws.Transport, msg *ws.Message) error {
+func asyncHandler(tr *ws.Transport, msg *ws.Message) (err error) {
 	var stream *streams.Stream
 	var mode core.Mode
 
@@ -109,8 +108,30 @@ func asyncHandler(tr *ws.Transport, msg *ws.Message) error {
 		return errors.New(api.StreamNotFound)
 	}
 
+	var offer struct {
+		Type       string           `json:"type"`
+		SDP        string           `json:"sdp"`
+		ICEServers []pion.ICEServer `json:"ice_servers"`
+	}
+
+	// V2 - json/object exchange, V1 - raw SDP exchange
+	apiV2 := msg.Type == "webrtc"
+
+	if apiV2 {
+		if err = msg.Unmarshal(&offer); err != nil {
+			return err
+		}
+	} else {
+		offer.SDP = msg.String()
+	}
+
 	// create new PeerConnection instance
-	pc, err := PeerConnection(false)
+	var pc *pion.PeerConnection
+	if offer.ICEServers == nil {
+		pc, err = PeerConnection(false)
+	} else {
+		pc, err = serverAPI.NewPeerConnection(pion.Configuration{ICEServers: offer.ICEServers})
+	}
 	if err != nil {
 		log.Error().Err(err).Caller().Send()
 		return err
@@ -122,8 +143,8 @@ func asyncHandler(tr *ws.Transport, msg *ws.Message) error {
 	defer sendAnswer.Done(nil)
 
 	conn := webrtc.NewConn(pc)
-	conn.Desc = "WebRTC/WebSocket async"
 	conn.Mode = mode
+	conn.Protocol = "ws"
 	conn.UserAgent = tr.Request.UserAgent()
 	conn.Listen(func(msg any) {
 		switch msg := msg.(type) {
@@ -139,6 +160,9 @@ func asyncHandler(tr *ws.Transport, msg *ws.Message) error {
 			}
 
 		case *pion.ICECandidate:
+			if !FilterCandidate(msg) {
+				return
+			}
 			_ = sendAnswer.Wait()
 
 			s := msg.ToJSON().Candidate
@@ -147,20 +171,10 @@ func asyncHandler(tr *ws.Transport, msg *ws.Message) error {
 		}
 	})
 
-	// V2 - json/object exchange, V1 - raw SDP exchange
-	apiV2 := msg.Type == "webrtc"
+	log.Trace().Msgf("[webrtc] offer:\n%s", offer.SDP)
 
 	// 1. SetOffer, so we can get remote client codecs
-	var offer string
-	if apiV2 {
-		offer = msg.GetString("sdp")
-	} else {
-		offer = msg.String()
-	}
-
-	log.Trace().Msgf("[webrtc] offer:\n%s", offer)
-
-	if err = conn.SetOffer(offer); err != nil {
+	if err = conn.SetOffer(offer.SDP); err != nil {
 		log.Warn().Err(err).Caller().Send()
 		return err
 	}
@@ -209,8 +223,9 @@ func ExchangeSDP(stream *streams.Stream, offer, desc, userAgent string) (answer
 
 	// create new webrtc instance
 	conn := webrtc.NewConn(pc)
-	conn.Desc = desc
+	conn.FormatName = desc
 	conn.UserAgent = userAgent
+	conn.Protocol = "http"
 	conn.Listen(func(msg any) {
 		switch msg := msg.(type) {
 		case pion.PeerConnectionState:
@@ -248,10 +263,7 @@ func ExchangeSDP(stream *streams.Stream, offer, desc, userAgent string) (answer
 		stream.AddProducer(conn)
 	}
 
-	answer, err = conn.GetCompleteAnswer()
-	if err == nil {
-		answer, err = syncCanditates(answer)
-	}
+	answer, err = conn.GetCompleteAnswer(GetCandidates(), FilterCandidate)
 	log.Trace().Msgf("[webrtc] answer\n%s", answer)
 
 	if err != nil {

internal/webrtc/webrtc_test.go

@@ -0,0 +1,38 @@
+package webrtc
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/AlexxIT/go2rtc/internal/api/ws"
+	pion "github.com/pion/webrtc/v3"
+	"github.com/stretchr/testify/require"
+)
+
+func TestWebRTCAPIv1(t *testing.T) {
+	raw := `{"type":"webrtc/offer","value":"v=0\n..."}`
+	msg := new(ws.Message)
+	err := json.Unmarshal([]byte(raw), msg)
+	require.Nil(t, err)
+
+	require.Equal(t, "v=0\n...", msg.String())
+}
+
+func TestWebRTCAPIv2(t *testing.T) {
+	raw := `{"type":"webrtc","value":{"type":"offer","sdp":"v=0\n...","ice_servers":[{"urls":["stun:stun.l.google.com:19302"]}]}}`
+	msg := new(ws.Message)
+	err := json.Unmarshal([]byte(raw), msg)
+	require.Nil(t, err)
+
+	var offer struct {
+		Type       string           `json:"type"`
+		SDP        string           `json:"sdp"`
+		ICEServers []pion.ICEServer `json:"ice_servers"`
+	}
+	err = msg.Unmarshal(&offer)
+	require.Nil(t, err)
+
+	require.Equal(t, "offer", offer.Type)
+	require.Equal(t, "v=0\n...", offer.SDP)
+	require.Equal(t, "stun:stun.l.google.com:19302", offer.ICEServers[0].URLs[0])
+}

internal/webtorrent/init.go

@@ -47,7 +47,7 @@ func Init() {
 			if stream == nil {
 				return "", errors.New(api.StreamNotFound)
 			}
-			return webrtc.ExchangeSDP(stream, offer, "WebRTC/WebTorrent sync", "")
+			return webrtc.ExchangeSDP(stream, offer, "webtorrent", "")
 		},
 	}
 

main.go

@@ -6,6 +6,7 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/app"
 	"github.com/AlexxIT/go2rtc/internal/bubble"
 	"github.com/AlexxIT/go2rtc/internal/debug"
+	"github.com/AlexxIT/go2rtc/internal/doorbird"
 	"github.com/AlexxIT/go2rtc/internal/dvrip"
 	"github.com/AlexxIT/go2rtc/internal/echo"
 	"github.com/AlexxIT/go2rtc/internal/exec"
@@ -36,6 +37,8 @@ import (
 )
 
 func main() {
+	app.Version = "1.9.8"
+
 	// 1. Core modules: app, api/ws, streams
 
 	app.Init() // init config and logs
@@ -80,6 +83,7 @@ func main() {
 	bubble.Init()   // bubble source
 	expr.Init()     // expr source
 	gopro.Init()    // gopro source
+	doorbird.Init() // doorbird source
 
 	// 6. Helper modules
 

pkg/README.md

@@ -1,3 +1,85 @@
+# Notes
+
+go2rtc tries to name formats, protocols and codecs the same way they are named in FFmpeg.
+Some formats and protocols go2rtc supports exclusively. They have no equivalent in FFmpeg.
+
+## Producers (input)
+
+- The initiator of the connection can be go2rtc - **Source protocols**
+- The initiator of the connection can be an external program - **Ingress protocols**
+- Codecs can be incoming - **Recevers codecs**
+- Codecs can be outgoing (two way audio) - **Senders codecs**
+
+| Format       | Source protocols | Ingress protocols | Recevers codecs              | Senders codecs     | Example       |
+|--------------|------------------|-------------------|------------------------------|--------------------|---------------|
+| adts         | http,tcp,pipe    | http              | aac                          |                    | `http:`       |
+| bubble       | http             |                   | h264,hevc,pcm_alaw           |                    | `bubble:`     |
+| dvrip        | tcp              |                   | h264,hevc,pcm_alaw,pcm_mulaw | pcm_alaw           | `dvrip:`      |
+| flv          | http,tcp,pipe    | http              | h264,aac                     |                    | `http:`       |
+| gopro        | http+udp         |                   | TODO                         |                    | `gopro:`      |
+| hass/webrtc  | ws+udp,tcp       |                   | TODO                         |                    | `hass:`       |
+| hls/mpegts   | http             |                   | h264,h265,aac,opus           |                    | `http:`       |
+| homekit      | homekit+udp      |                   | h264,eld*                    |                    | `homekit:`    |
+| isapi        | http             |                   |                              | pcm_alaw,pcm_mulaw | `isapi:`      |
+| ivideon      | ws               |                   | h264                         |                    | `ivideon:`    |
+| kasa         | http             |                   | h264,pcm_mulaw               |                    | `kasa:`       |
+| h264         | http,tcp,pipe    | http              | h264                         |                    | `http:`       |
+| hevc         | http,tcp,pipe    | http              | hevc                         |                    | `http:`       |
+| mjpeg        | http,tcp,pipe    | http              | mjpeg                        |                    | `http:`       |
+| mpjpeg       | http,tcp,pipe    | http              | mjpeg                        |                    | `http:`       |
+| mpegts       | http,tcp,pipe    | http              | h264,hevc,aac,opus           |                    | `http:`       |
+| nest/webrtc  | http+udp         |                   | TODO                         |                    | `nest:`       |
+| roborock     | mqtt+udp         |                   | h264,opus                    | opus               | `roborock:`   |
+| rtmp         | rtmp             | rtmp              | h264,aac                     |                    | `rtmp:`       |
+| rtsp         | rtsp+tcp,ws      | rtsp+tcp          | h264,hevc,aac,pcm*,opus      | pcm*,opus          | `rtsp:`       |
+| stdin        | pipe             |                   |                              | pcm_alaw,pcm_mulaw | `stdin:`      |
+| tapo         | http             |                   | h264,pcma                    | pcm_alaw           | `tapo:`       |
+| wav          | http,tcp,pipe    | http              | pcm_alaw,pcm_mulaw           |                    | `http:`       |
+| webrtc*      | TODO             | TODO              | h264,pcm_alaw,pcm_mulaw,opus | pcm_alaw,pcm_mulaw | `webrtc:`     |
+| webtorrent   | TODO             | TODO              | TODO                         | TODO               | `webtorrent:` |
+| yuv4mpegpipe | http,tcp,pipe    | http              | rawvideo                     |                    | `http:`       |
+
+- **eld** - rare variant of aac codec
+- **pcm** - pcm_alaw pcm_mulaw pcm_s16be pcm_s16le
+- **webrtc** - webrtc/kinesis, webrtc/openipc, webrtc/milestone, webrtc/wyze, webrtc/whep
+
+## Consumers (output)
+
+| Format       | Protocol    | Send codecs                  | Recv codecs             | Example                               |
+|--------------|-------------|------------------------------|-------------------------|---------------------------------------|
+| adts         | http        | aac                          |                         | `GET /api/stream.adts`                |
+| ascii        | http        | mjpeg                        |                         | `GET /api/stream.ascii`               |
+| flv          | http        | h264,aac                     |                         | `GET /api/stream.flv`                 |
+| hls/mpegts   | http        | h264,hevc,aac                |                         | `GET /api/stream.m3u8`                |
+| hls/fmp4     | http        | h264,hevc,aac,pcm*,opus      |                         | `GET /api/stream.m3u8?mp4`            |
+| homekit      | homekit+udp | h264,opus                    |                         | Apple HomeKit app                     |
+| mjpeg        | ws          | mjpeg                        |                         | `{"type":"mjpeg"}` -> `/api/ws`       |
+| mpjpeg       | http        | mjpeg                        |                         | `GET /api/stream.mjpeg`               |
+| mp4          | http        | h264,hevc,aac,pcm*,opus      |                         | `GET /api/stream.mp4`                 |
+| mse/fmp4     | ws          | h264,hevc,aac,pcm*,opus      |                         | `{"type":"mse"}` -> `/api/ws`         |
+| mpegts       | http        | h264,hevc,aac                |                         | `GET /api/stream.ts`                  |
+| rtmp         | rtmp        | h264,aac                     |                         | `rtmp://localhost:1935/{stream_name}` |
+| rtsp         | rtsp+tcp    | h264,hevc,aac,pcm*,opus      |                         | `rtsp://localhost:8554/{stream_name}` |
+| webrtc       | TODO        | h264,pcm_alaw,pcm_mulaw,opus | pcm_alaw,pcm_mulaw,opus | `{"type":"webrtc"}` -> `/api/ws`      |
+| yuv4mpegpipe | http        | rawvideo                     |                         | `GET /api/stream.y4m`                 |
+
+- **pcm** - pcm_alaw pcm_mulaw pcm_s16be pcm_s16le
+
+## Snapshots
+
+| Format | Protocol | Send codecs | Example               |
+|--------|----------|-------------|-----------------------|
+| jpeg   | http     | mjpeg       | `GET /api/frame.jpeg` |
+| mp4    | http     | h264,hevc   | `GET /api/frame.mp4`  |
+
+## Developers
+
+File naming:
+
+- `pkg/{format}/producer.go` - producer for this format (also if support backchannel)
+- `pkg/{format}/consumer.go` - consumer for this format
+- `pkg/{format}/backchanel.go` - producer with only backchannel func
+
 ## Useful links
 
 - https://www.wowza.com/blog/streaming-protocols

pkg/aac/aac.go

@@ -69,6 +69,8 @@ func DecodeConfig(b []byte) (objType, sampleFreqIdx, channels byte, sampleRate u
 	sampleFreqIdx = rd.ReadBits8(4)
 	if sampleFreqIdx == 0b1111 {
 		sampleRate = rd.ReadBits(24)
+	} else {
+		sampleRate = sampleRates[sampleFreqIdx]
 	}
 
 	channels = rd.ReadBits8(4)

pkg/aac/aac_test.go

@@ -41,3 +41,12 @@ func TestADTS(t *testing.T) {
 
 	require.Equal(t, src[:len(dst)], dst)
 }
+
+func TestEncodeConfig(t *testing.T) {
+	conf := EncodeConfig(TypeAACLC, 48000, 1, false)
+	require.Equal(t, "1188", hex.EncodeToString(conf))
+	conf = EncodeConfig(TypeAACLC, 16000, 1, false)
+	require.Equal(t, "1408", hex.EncodeToString(conf))
+	conf = EncodeConfig(TypeAACLC, 8000, 1, false)
+	require.Equal(t, "1588", hex.EncodeToString(conf))
+}

pkg/aac/adts.go

@@ -9,7 +9,6 @@ import (
 )
 
 func IsADTS(b []byte) bool {
-	_ = b[1]
 	return len(b) > 7 && b[0] == 0xFF && b[1]&0xF6 == 0xF0
 }
 

pkg/aac/consumer.go

@@ -8,15 +8,12 @@ import (
 )
 
 type Consumer struct {
-	core.SuperConsumer
+	core.Connection
 	wr *core.WriteBuffer
 }
 
 func NewConsumer() *Consumer {
-	cons := &Consumer{
-		wr: core.NewWriteBuffer(nil),
-	}
-	cons.Medias = []*core.Media{
+	medias := []*core.Media{
 		{
 			Kind:      core.KindAudio,
 			Direction: core.DirectionSendonly,
@@ -25,7 +22,16 @@ func NewConsumer() *Consumer {
 			},
 		},
 	}
-	return cons
+	wr := core.NewWriteBuffer(nil)
+	return &Consumer{
+		Connection: core.Connection{
+			ID:         core.NewID(),
+			FormatName: "adts",
+			Medias:     medias,
+			Transport:  wr,
+		},
+		wr: wr,
+	}
 }
 
 func (c *Consumer) AddTrack(media *core.Media, codec *core.Codec, track *core.Receiver) error {
@@ -51,8 +57,3 @@ func (c *Consumer) AddTrack(media *core.Media, codec *core.Codec, track *core.Re
 func (c *Consumer) WriteTo(wr io.Writer) (int64, error) {
 	return c.wr.WriteTo(wr)
 }
-
-func (c *Consumer) Stop() error {
-	_ = c.SuperConsumer.Close()
-	return c.wr.Close()
-}

pkg/aac/producer.go

@@ -10,9 +10,8 @@ import (
 )
 
 type Producer struct {
-	core.SuperProducer
+	core.Connection
 	rd *bufio.Reader
-	cl io.Closer
 }
 
 func Open(r io.Reader) (*Producer, error) {
@@ -23,18 +22,22 @@ func Open(r io.Reader) (*Producer, error) {
 		return nil, err
 	}
 
-	codec := ADTSToCodec(b)
-
-	prod := &Producer{rd: rd, cl: r.(io.Closer)}
-	prod.Type = "ADTS producer"
-	prod.Medias = []*core.Media{
+	medias := []*core.Media{
 		{
 			Kind:      core.KindAudio,
 			Direction: core.DirectionRecvonly,
-			Codecs:    []*core.Codec{codec},
+			Codecs:    []*core.Codec{ADTSToCodec(b)},
 		},
 	}
-	return prod, nil
+	return &Producer{
+		Connection: core.Connection{
+			ID:         core.NewID(),
+			FormatName: "adts",
+			Medias:     medias,
+			Transport:  r,
+		},
+		rd: rd,
+	}, nil
 }
 
 func (c *Producer) Start() error {
@@ -66,8 +69,3 @@ func (c *Producer) Start() error {
 		c.Receivers[0].WriteRTP(pkt)
 	}
 }
-
-func (c *Producer) Stop() error {
-	_ = c.SuperProducer.Close()
-	return c.cl.Close()
-}

pkg/aac/rtp.go

@@ -22,6 +22,15 @@ func RTPDepay(handler core.HandlerFunc) core.HandlerFunc {
 		//log.Printf("[RTP/AAC] units: %d, size: %4d, ts: %10d, %t", headersSize/2, len(packet.Payload), packet.Timestamp, packet.Marker)
 
 		if len(packet.Payload) < int(2+headersSize) {
+			// In very rare cases noname cameras may send data not according to the standard
+			// https://github.com/AlexxIT/go2rtc/issues/1328
+			if IsADTS(packet.Payload) {
+				clone := *packet
+				clone.Version = RTPPacketVersionAAC
+				clone.Timestamp = timestamp
+				clone.Payload = clone.Payload[ADTSHeaderSize:]
+				handler(&clone)
+			}
 			return
 		}
 

pkg/aac/rtp_test.go

@@ -0,0 +1,33 @@
+package aac
+
+import (
+	"encoding/hex"
+	"testing"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBuggy_RTSP_AAC(t *testing.T) {
+	// https: //github.com/AlexxIT/go2rtc/issues/1328
+	payload, _ := hex.DecodeString("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")
+	packet := &rtp.Packet{
+		Header: rtp.Header{
+			Version:        2,
+			Marker:         true,
+			SequenceNumber: 36944,
+			Timestamp:      4217191328,
+			SSRC:           12892774,
+		},
+		Payload: payload,
+	}
+
+	var size int
+
+	RTPDepay(func(packet *core.Packet) {
+		size = len(packet.Payload)
+	})(packet)
+
+	require.Equal(t, len(payload), size+ADTSHeaderSize)
+}

pkg/ascii/README.md

@@ -0,0 +1,6 @@
+## Useful links
+
+- https://en.wikipedia.org/wiki/ANSI_escape_code
+- https://paulbourke.net/dataformats/asciiart/
+- https://github.com/kutuluk/xterm-color-chart
+- https://github.com/hugomd/parrot.live