Merge remote-tracking branch 'upstream/master' into refactr-syscall-more-generic

README.md

@@ -217,6 +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)).
@@ -407,19 +408,21 @@ 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 two parameters (format: `exec:{command}#{param1}#{param2}`):
+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:
@@ -427,6 +430,8 @@ streams:
   picam_h264: exec:libcamera-vid -t 0 --inline -o -
   picam_mjpeg: exec:libcamera-vid -t 0 --codec mjpeg -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

go.mod

@@ -4,44 +4,45 @@ go 1.21
 
 require (
 	github.com/asticode/go-astits v1.13.0
-	github.com/expr-lang/expr v1.15.7
+	github.com/expr-lang/expr v1.16.5
 	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/miekg/dns v1.1.59
+	github.com/pion/ice/v2 v2.3.24
+	github.com/pion/interceptor v0.1.29
+	github.com/pion/rtcp v1.2.14
+	github.com/pion/rtp v1.8.6
+	github.com/pion/sdp/v3 v3.0.9
 	github.com/pion/srtp/v2 v2.0.18
 	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 v3.2.40
+	github.com/rs/zerolog v1.32.0
+	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 v1.9.0
 	github.com/tadglines/go-pkgs v0.0.0-20210623144937-b983b20f54f9
-	golang.org/x/crypto v0.17.0
+	golang.org/x/crypto v0.23.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
 	github.com/asticode/go-astikit v0.30.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/google/uuid v1.5.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/kr/pretty v0.2.1 // 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 v1.5.6 // indirect
+	github.com/pion/dtls/v2 v2.2.11 // 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 v1.8.16 // indirect
+	github.com/pion/transport/v2 v2.2.5 // 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
+	golang.org/x/mod v0.17.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/tools v0.20.0 // indirect
 )

go.sum

@@ -6,31 +6,14 @@ github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSV
 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=
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-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=
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-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/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 v1.5.1 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/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
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@@ -43,149 +26,125 @@ github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
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-github.com/miekg/dns v1.1.57 h1:Jzi7ApEIzwEPLHWRcafCN9LZSBbqQpxjt/wpgvg7wcM=
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-golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -194,57 +153,42 @@ golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
-golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
+golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/term v0.9.0/go.mod h1:M6DEAAIenWoTxdKrOltXcmDY3rSplQUkrvaDU5FcQyo=
 golang.org/x/term v0.10.0/go.mod h1:lpqdcUyK/oCiQxvxVrppt5ggO2KCZ5QblwqPnfZ6d5o=
 golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
-golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
+golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
+golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
+golang.org/x/term v0.18.0/go.mod h1:ILwASektA3OnRv7amZ1xhE/KTR+u50pbXfZ03+6Nx58=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.16.1 h1:TLyB3WofjdOEepBHAU20JdNC1Zbg87elYofWYAY5oZA=
-golang.org/x/tools v0.16.1/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0=
+golang.org/x/tools v0.20.0 h1:hz/CVckiOxybQvFw6h7b/q80NTr9IUQb4s1IIzW7KNY=
+golang.org/x/tools v0.20.0/go.mod h1:WvitBU7JJf6A4jOdg4S1tviW9bhUxkgeCui/0JHctQg=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-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=

internal/api/ws/ws.go

@@ -11,7 +11,7 @@ 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() {
@@ -23,11 +23,15 @@ 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"`

internal/app/app.go

@@ -15,7 +15,7 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
-var Version = "1.8.5"
+var Version = "1.9.1"
 var UserAgent = "go2rtc/" + Version
 
 var ConfigPath string

internal/exec/exec.go

@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
+	"io"
 	"net/url"
 	"os"
 	"os/exec"
@@ -19,6 +20,7 @@ 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"
 )
 
@@ -48,37 +50,41 @@ func Init() {
 
 func execHandle(rawURL string) (core.Producer, error) {
 	var path string
+	var query url.Values
 
-	rawURL, rawQuery, _ := strings.Cut(rawURL, "#")
-
-	args := shell.QuoteSplit(rawURL[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(rawURL))
-			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:]
+	} else if i = strings.IndexByte(rawURL, '#'); i > 0 {
+		query = streams.ParseQuery(rawURL[i+1:])
+		rawURL = rawURL[:i]
 	}
 
+	args := shell.QuoteSplit(rawURL[5:]) // remove `exec:`
 	cmd := exec.Command(args[0], args[1:]...)
 	if log.Debug().Enabled() {
 		cmd.Stderr = os.Stderr
 	}
 
 	if path == "" {
-		query := streams.ParseQuery(rawQuery)
 		return handlePipe(rawURL, cmd, query)
 	}
 
-	return handleRTSP(rawURL, path, cmd)
+	return handleRTSP(rawURL, cmd, path)
 }
 
 func handlePipe(_ string, cmd *exec.Cmd, query url.Values) (core.Producer, error) {
+	if query.Get("backchannel") == "1" {
+		return stdin.NewClient(cmd)
+	}
+
 	r, err := PipeCloser(cmd, query)
 	if err != nil {
 		return nil, err
@@ -96,15 +102,23 @@ func handlePipe(_ string, cmd *exec.Cmd, query url.Values) (core.Producer, error
 	return prod, err
 }
 
-func handleRTSP(url, path string, cmd *exec.Cmd) (core.Producer, error) {
+func handleRTSP(url string, cmd *exec.Cmd, path string) (core.Producer, error) {
+	stderr := limitBuffer{buf: make([]byte, 512)}
+
+	if cmd.Stderr != nil {
+		cmd.Stderr = io.MultiWriter(cmd.Stderr, &stderr)
+	} else {
+		cmd.Stderr = &stderr
+	}
+
 	if log.Trace().Enabled() {
 		cmd.Stdout = os.Stdout
 	}
 
-	ch := make(chan core.Producer)
+	waiter := make(chan core.Producer)
 
 	waitersMu.Lock()
-	waiters[path] = ch
+	waiters[path] = waiter
 	waitersMu.Unlock()
 
 	defer func() {
@@ -122,16 +136,9 @@ func handleRTSP(url, path string, cmd *exec.Cmd) (core.Producer, error) {
 		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 {
@@ -139,9 +146,10 @@ func handleRTSP(url, path string, cmd *exec.Cmd) (core.Producer, error) {
 		_ = 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:
+	case <-done:
+		// limit message size
+		return nil, errors.New("exec: " + stderr.String())
+	case prod := <-waiter:
 		log.Debug().Stringer("launch", time.Since(ts)).Msg("[exec] run")
 		return prod, nil
 	}
@@ -154,3 +162,22 @@ var (
 	waiters   = map[string]chan core.Producer{}
 	waitersMu sync.Mutex
 )
+
+type limitBuffer struct {
+	buf []byte
+	n   int
+}
+
+func (l *limitBuffer) String() string {
+	if l.n == len(l.buf) {
+		return string(l.buf) + "..."
+	}
+	return string(l.buf[:l.n])
+}
+
+func (l *limitBuffer) Write(p []byte) (int, error) {
+	if l.n < cap(l.buf) {
+		l.n += copy(l.buf[l.n:], p)
+	}
+	return len(p), nil
+}

internal/ffmpeg/ffmpeg.go

@@ -7,6 +7,7 @@ import (
 	"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/ffmpeg"
@@ -145,7 +146,7 @@ func parseArgs(s string) *ffmpeg.Args {
 	}
 
 	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"])
@@ -193,6 +194,11 @@ func parseArgs(s string) *ffmpeg.Args {
 		if err != nil {
 			return nil
 		}
+	} else if strings.HasPrefix(s, "virtual?") {
+		var err error
+		if args.Input, err = virtual.GetInput(s[8:]); err != nil {
+			return nil
+		}
 	} else {
 		args.Input = inputTemplate("file", s, query)
 	}

internal/ffmpeg/ffmpeg_test.go

@@ -7,29 +7,48 @@ import (
 )
 
 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 -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) {
@@ -87,7 +106,7 @@ func TestParseArgsAudio(t *testing.T) {
 
 	// [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())
+	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 -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")
@@ -115,28 +134,46 @@ func TestParseArgsAudio(t *testing.T) {
 }
 
 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 +203,7 @@ 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 +221,7 @@ 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 +243,7 @@ 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 +263,32 @@ 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())
+		})
+	}
 }

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/virtual/virtual.go

@@ -0,0 +1,59 @@
+package virtual
+
+import (
+	"net/url"
+)
+
+func GetInput(src string) (string, error) {
+	query, err := url.ParseQuery(src)
+	if err != nil {
+		return "", err
+	}
+
+	// set defaults (using Add instead of Set)
+	query.Add("source", "testsrc")
+	query.Add("size", "1920x1080")
+	query.Add("decimals", "2")
+
+	// https://ffmpeg.org/ffmpeg-filters.html
+	source := query.Get("source")
+	input := "-re -f lavfi -i " + source
+
+	sep := "=" // first separator
+	for key, values := range query {
+		value := values[0]
+
+		// https://ffmpeg.org/ffmpeg-utils.html#video-size-syntax
+		switch key {
+		case "color", "rate", "duration", "sar":
+		case "size":
+			switch value {
+			case "720":
+				value = "1280x720"
+			case "1080":
+				value = "1920x1080"
+			case "2K":
+				value = "2560x1440"
+			case "4K":
+				value = "3840x2160"
+			case "8K":
+				value = "7680x4230" // https://reolink.com/blog/8k-resolution/
+			}
+		case "decimals":
+			if source != "testsrc" {
+				continue
+			}
+		default:
+			continue
+		}
+
+		input += sep + key + "=" + value
+		sep = ":" // next separator
+	}
+
+	if s := query.Get("format"); s != "" {
+		input += ",format=" + s
+	}
+
+	return input, nil
+}

internal/mjpeg/init.go

@@ -57,6 +57,8 @@ 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()
@@ -163,7 +165,7 @@ func handlerWS(tr *ws.Transport, _ *ws.Message) error {
 	cons.UserAgent = tr.Request.UserAgent()
 
 	if err := stream.AddConsumer(cons); err != nil {
-		log.Error().Err(err).Caller().Send()
+		log.Debug().Err(err).Msg("[mjpeg] add consumer")
 		return err
 	}
 

internal/rtsp/rtsp.go

@@ -239,7 +239,7 @@ 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/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 +22,20 @@ func (s *Stream) AddConsumer(cons core.Consumer) (err error) {
 
 	producers:
 		for prodN, prod := range s.producers {
+			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 +48,12 @@ 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 +73,12 @@ 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 +88,11 @@ 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 +101,7 @@ 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()
 	}
 
@@ -103,6 +109,20 @@ 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
 
@@ -125,16 +145,7 @@ 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/producer.go

@@ -245,10 +245,10 @@ 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 {

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/webrtc/client.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
@@ -82,6 +83,7 @@ func go2rtcClient(url string) (core.Producer, error) {
 
 	// 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"
@@ -91,7 +93,9 @@ func go2rtcClient(url string) (core.Producer, error) {
 		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 {
@@ -118,9 +122,9 @@ 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 {

pkg/core/helpers.go

@@ -38,15 +38,6 @@ func RandString(size, base byte) string {
 	return string(b)
 }
 
-func Any(errs ...error) error {
-	for _, err := range errs {
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 func Between(s, sub1, sub2 string) string {
 	i := strings.Index(s, sub1)
 	if i < 0 {

pkg/flv/amf/amf_test.go

@@ -141,7 +141,7 @@ func TestNewReader(t *testing.T) {
 			name:   "obs-connect",
 			actual: "020007636f6e6e656374003ff000000000000003000361707002000c617070312f73747265616d3100047479706502000a6e6f6e70726976617465000e737570706f727473476f4177617901010008666c61736856657202001f464d4c452f332e302028636f6d70617469626c653b20464d53632f312e3029000673776655726c02002272746d703a2f2f3139322e3136382e31302e3130312f617070312f73747265616d310005746355726c02002272746d703a2f2f3139322e3136382e31302e3130312f617070312f73747265616d31000009",
 			expect: []any{
-				"connect", 1,
+				"connect", float64(1),
 				map[string]any{
 					"app":            "app1/stream1",
 					"flashVer":       "FMLE/3.0 (compatible; FMSc/1.0)",

pkg/h264/payloader.go

@@ -67,11 +67,15 @@ func EmitNalus(nals []byte, isAVC bool, emit func([]byte)) {
 		}
 	} else {
 		for {
-			end := 4 + binary.BigEndian.Uint32(nals)
-			emit(nals[4:end])
-			if int(end) >= len(nals) {
+			n := uint32(len(nals))
+			if n < 4 {
 				break
 			}
+			end := 4 + binary.BigEndian.Uint32(nals)
+			if n < end {
+				break
+			}
+			emit(nals[4:end])
 			nals = nals[end:]
 		}
 	}

pkg/hls/reader.go

@@ -88,7 +88,7 @@ func (r *reader) RoundTrip(_ *http.Request) (*http.Response, error) {
 }
 
 func (r *reader) getSegment() ([]byte, error) {
-	for i := 0; i < 5; i++ {
+	for i := 0; i < 10; i++ {
 		if r.playlist == nil {
 			if wait := time.Second - time.Since(r.lastTime); wait > 0 {
 				time.Sleep(wait)

pkg/magic/producer.go

@@ -34,12 +34,12 @@ func Open(r io.Reader) (core.Producer, error) {
 	case bytes.HasPrefix(b, []byte(flv.Signature)):
 		return flv.Open(rd)
 
-	case bytes.HasPrefix(b, []byte{0xFF, 0xF1}):
-		return aac.Open(rd)
-
 	case bytes.HasPrefix(b, []byte("--")):
 		return multipart.Open(rd)
 
+	case b[0] == 0xFF && b[1]&0xF7 == 0xF1:
+		return aac.Open(rd)
+
 	case b[0] == mpegts.SyncByte:
 		return mpegts.Open(rd)
 	}

pkg/mjpeg/helpers.go

@@ -0,0 +1,35 @@
+package mjpeg
+
+import (
+	"bytes"
+	"image/jpeg"
+)
+
+// FixJPEG - reencode JPEG if it has wrong header
+//
+// for example, this app produce "bad" images:
+// https://github.com/jacksonliam/mjpg-streamer
+//
+// and they can't be uploaded to the Telegram servers:
+// {"ok":false,"error_code":400,"description":"Bad Request: IMAGE_PROCESS_FAILED"}
+func FixJPEG(b []byte) []byte {
+	// skip non-JPEG
+	if len(b) < 10 || b[0] != 0xFF || b[1] != 0xD8 {
+		return b
+	}
+	// skip if header OK for imghdr library
+	// https://docs.python.org/3/library/imghdr.html
+	if string(b[2:4]) == "\xFF\xDB" || string(b[6:10]) == "JFIF" || string(b[6:10]) == "Exif" {
+		return b
+	}
+
+	img, err := jpeg.Decode(bytes.NewReader(b))
+	if err != nil {
+		return b
+	}
+	buf := bytes.NewBuffer(nil)
+	if err = jpeg.Encode(buf, img, nil); err != nil {
+		return b
+	}
+	return buf.Bytes()
+}

pkg/rtsp/server.go

@@ -146,7 +146,19 @@ func (c *Conn) Accept() error {
 			if strings.HasPrefix(tr, transport) {
 				c.session = core.RandString(8, 10)
 				c.state = StateSetup
-				res.Header.Set("Transport", tr[:len(transport)+3])
+
+				if c.mode == core.ModePassiveConsumer {
+					if i := reqTrackID(req); i >= 0 && i < len(c.senders) {
+						// mark sender as SETUP
+						c.senders[i].Media.ID = MethodSetup
+						tr = fmt.Sprintf("RTP/AVP/TCP;unicast;interleaved=%d-%d", i*2, i*2+1)
+						res.Header.Set("Transport", tr)
+					} else {
+						res.Status = "400 Bad Request"
+					}
+				} else {
+					res.Header.Set("Transport", tr[:len(transport)+3])
+				}
 			} else {
 				res.Status = "461 Unsupported transport"
 			}
@@ -156,6 +168,15 @@ func (c *Conn) Accept() error {
 			}
 
 		case MethodRecord, MethodPlay:
+			if c.mode == core.ModePassiveConsumer {
+				// stop unconfigured senders
+				for _, track := range c.senders {
+					if track.Media.ID != MethodSetup {
+						track.Close()
+					}
+				}
+			}
+
 			res := &tcp.Response{Request: req}
 			err = c.WriteResponse(res)
 			c.playOK = true
@@ -172,3 +193,18 @@ func (c *Conn) Accept() error {
 		}
 	}
 }
+
+func reqTrackID(req *tcp.Request) int {
+	var s string
+	if req.URL.RawQuery != "" {
+		s = req.URL.RawQuery
+	} else {
+		s = req.URL.Path
+	}
+	if i := strings.LastIndexByte(s, '='); i > 0 {
+		if i, err := strconv.Atoi(s[i+1:]); err == nil {
+			return i
+		}
+	}
+	return -1
+}

pkg/stdin/client.go

@@ -0,0 +1,33 @@
+package stdin
+
+import (
+	"os/exec"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+type Client struct {
+	cmd *exec.Cmd
+
+	medias []*core.Media
+	sender *core.Sender
+	send   int
+}
+
+func NewClient(cmd *exec.Cmd) (*Client, error) {
+	c := &Client{
+		cmd: cmd,
+		medias: []*core.Media{
+			{
+				Kind:      core.KindAudio,
+				Direction: core.DirectionSendonly,
+				Codecs: []*core.Codec{
+					{Name: core.CodecPCMA, ClockRate: 8000},
+					{Name: core.CodecPCM},
+				},
+			},
+		},
+	}
+
+	return c, nil
+}

pkg/stdin/consumer.go

@@ -0,0 +1,61 @@
+package stdin
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/AlexxIT/go2rtc/pkg/core"
+	"github.com/pion/rtp"
+)
+
+func (c *Client) GetMedias() []*core.Media {
+	return c.medias
+}
+
+func (c *Client) GetTrack(media *core.Media, codec *core.Codec) (*core.Receiver, error) {
+	return nil, core.ErrCantGetTrack
+}
+
+func (c *Client) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiver) error {
+	if c.sender == nil {
+		stdin, err := c.cmd.StdinPipe()
+		if err != nil {
+			return err
+		}
+
+		c.sender = core.NewSender(media, track.Codec)
+		c.sender.Handler = func(packet *rtp.Packet) {
+			_, _ = stdin.Write(packet.Payload)
+			c.send += len(packet.Payload)
+		}
+	}
+
+	c.sender.HandleRTP(track)
+	return nil
+}
+
+func (c *Client) Start() (err error) {
+	return c.cmd.Run()
+}
+
+func (c *Client) Stop() (err error) {
+	if c.sender != nil {
+		c.sender.Close()
+	}
+	if c.cmd.Process == nil {
+		return nil
+	}
+	return errors.Join(c.cmd.Process.Kill(), c.cmd.Wait())
+}
+
+func (c *Client) MarshalJSON() ([]byte, error) {
+	info := &core.Info{
+		Type:   "Exec active consumer",
+		Medias: c.medias,
+		Send:   c.send,
+	}
+	if c.sender != nil {
+		info.Senders = []*core.Sender{c.sender}
+	}
+	return json.Marshal(info)
+}

pkg/webrtc/helpers.go

@@ -47,6 +47,9 @@ func UnmarshalMedias(descriptions []*sdp.MediaDescription) (medias []*core.Media
 				continue
 			}
 
+			// skip non-media codecs to avoid confusing users in info and logs
+			media.Codecs = SkipNonMediaCodecs(media.Codecs)
+
 			medias = append(medias, media)
 		}
 	}
@@ -54,6 +57,21 @@ func UnmarshalMedias(descriptions []*sdp.MediaDescription) (medias []*core.Media
 	return
 }
 
+func SkipNonMediaCodecs(input []*core.Codec) (output []*core.Codec) {
+	for _, codec := range input {
+		switch codec.Name {
+		case "RTX", "RED", "ULPFEC", "FLEXFEC-03":
+			continue
+		case "CN", "TELEPHONE-EVENT":
+			continue // https://datatracker.ietf.org/doc/html/rfc7874
+		}
+		// VP8, VP9, H264, H265, AV1
+		// OPUS, G722, PCMU, PCMA
+		output = append(output, codec)
+	}
+	return
+}
+
 // WithResampling - will add for consumer: PCMA/0, PCMU/0, PCM/0, PCML/0
 // so it can add resampling for PCMA/PCMU and repack for PCM/PCML
 func WithResampling(medias []*core.Media) []*core.Media {

pkg/webrtc/track.go

@@ -1,6 +1,8 @@
 package webrtc
 
 import (
+	"sync"
+
 	"github.com/pion/rtp"
 	"github.com/pion/webrtc/v3"
 )
@@ -12,6 +14,7 @@ type Track struct {
 	sequence uint16
 	ssrc     uint32
 	writer   webrtc.TrackLocalWriter
+	mu       sync.Mutex
 }
 
 func NewTrack(kind string) *Track {
@@ -23,8 +26,10 @@ func NewTrack(kind string) *Track {
 }
 
 func (t *Track) Bind(context webrtc.TrackLocalContext) (webrtc.RTPCodecParameters, error) {
+	t.mu.Lock()
 	t.ssrc = uint32(context.SSRC())
 	t.writer = context.WriteStream()
+	t.mu.Unlock()
 
 	for _, parameters := range context.CodecParameters() {
 		// return first parameters
@@ -35,7 +40,9 @@ func (t *Track) Bind(context webrtc.TrackLocalContext) (webrtc.RTPCodecParameter
 }
 
 func (t *Track) Unbind(context webrtc.TrackLocalContext) error {
+	t.mu.Lock()
 	t.writer = nil
+	t.mu.Unlock()
 	return nil
 }
 
@@ -55,19 +62,22 @@ func (t *Track) Kind() webrtc.RTPCodecType {
 	return webrtc.NewRTPCodecType(t.kind)
 }
 
-func (t *Track) WriteRTP(payloadType uint8, packet *rtp.Packet) error {
+func (t *Track) WriteRTP(payloadType uint8, packet *rtp.Packet) (err error) {
+	// using mutex because Unbind https://github.com/AlexxIT/go2rtc/issues/994
+	t.mu.Lock()
+
 	// in case when we start WriteRTP before Track.Bind
-	if t.writer == nil {
-		return nil
+	if t.writer != nil {
+		// important to have internal counter if input packets from different sources
+		t.sequence++
+
+		header := packet.Header
+		header.SSRC = t.ssrc
+		header.PayloadType = payloadType
+		header.SequenceNumber = t.sequence
+		_, err = t.writer.WriteRTP(&header, packet.Payload)
 	}
 
-	// important to have internal counter if input packets from different sources
-	t.sequence++
-
-	header := packet.Header
-	header.SSRC = t.ssrc
-	header.PayloadType = payloadType
-	header.SequenceNumber = t.sequence
-	_, err := t.writer.WriteRTP(&header, packet.Payload)
-	return err
+	t.mu.Unlock()
+	return
 }

scripts/build.sh

@@ -0,0 +1,82 @@
+#!/bin/sh
+
+check_command() {
+    if ! command -v $1 &> /dev/null
+    then
+        echo "Error: $1 could not be found. Please install it."
+        exit 1
+    fi
+}
+
+# Check for required commands
+check_command go
+check_command 7z
+check_command upx
+
+# Windows amd64
+export GOOS=windows
+export GOARCH=amd64
+FILENAME="go2rtc_win64.zip"
+go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
+
+# Windows 386
+export GOOS=windows
+export GOARCH=386
+FILENAME="go2rtc_win32.zip"
+go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
+
+# Windows arm64
+export GOOS=windows
+export GOARCH=arm64
+FILENAME="go2rtc_win_arm64.zip"
+go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc.exe
+
+# Linux amd64
+export GOOS=linux
+export GOARCH=amd64
+FILENAME="go2rtc_linux_amd64"
+go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+
+# Linux 386
+export GOOS=linux
+export GOARCH=386
+FILENAME="go2rtc_linux_i386"
+go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+
+# Linux arm64
+export GOOS=linux
+export GOARCH=arm64
+FILENAME="go2rtc_linux_arm64"
+go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+
+# Linux arm v7
+export GOOS=linux
+export GOARCH=arm
+export GOARM=7
+FILENAME="go2rtc_linux_arm"
+go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+
+# Linux arm v6
+export GOOS=linux
+export GOARCH=arm
+export GOARM=6
+FILENAME="go2rtc_linux_armv6"
+go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+
+# Linux mipsle
+export GOOS=linux
+export GOARCH=mipsle
+FILENAME="go2rtc_linux_mipsel"
+go build -ldflags "-s -w" -trimpath -o $FILENAME && upx --lzma --force-overwrite -q --no-progress $FILENAME
+
+# Darwin amd64
+export GOOS=darwin
+export GOARCH=amd64
+FILENAME="go2rtc_mac_amd64.zip"
+go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc
+
+# Darwin arm64
+export GOOS=darwin
+export GOARCH=arm64
+FILENAME="go2rtc_mac_arm64.zip"
+go build -ldflags "-s -w" -trimpath && 7z a -mx9 -bso0 -sdel $FILENAME go2rtc

www/editor.html

@@ -46,7 +46,7 @@
         r = await fetch('api/config', {method: 'POST', body: editor.getValue()});
         if (r.ok) {
             alert('OK');
-            fetch('api/restart', {method: 'POST'});
+            await fetch('api/restart', {method: 'POST'});
         } else {
             alert(await r.text());
         }

www/log.html

@@ -19,17 +19,30 @@
             height: 100%;
         }
 
-        
-
-        
-
         table tbody td {
             font-size: 13px;
             vertical-align: top;
         }
 
-        
+        .info {
+            color: #0174DF;
+        }
 
+        .debug {
+            color: #808080;
+        }
+
+        .error {
+            color: #DF0101;
+        }
+
+        .trace {
+            color: #585858;
+        }
+
+        .warn {
+            color: #FF9966;
+        }
     </style>
 </head>
 <body>
@@ -69,8 +82,8 @@
             .replace(/\n/g, '<br>');
     }
 
-    let reverseBtn = document.getElementById('reverse');
-    let update = document.getElementById('update');
+    const reverseBtn = document.getElementById('reverse');
+    const update = document.getElementById('update');
 
     let reverseOrder = false;
     let autoUpdateEnabled = true;
@@ -89,7 +102,7 @@
             const msg = Object.keys(line).reduce((msg, key) => {
                 return KEYS.indexOf(key) < 0 ? `${msg} ${key}=${line[key]}` : msg;
             }, line['message']);
-            return `<tr><td>${ts.toLocaleString()}</td><td>${line['level']}</td><td>${escapeHTML(msg)}</td></tr>`;
+            return `<tr class="${line['level']}"><td>${ts.toLocaleString()}</td><td>${escapeHTML(line['level'])}</td><td>${escapeHTML(msg)}</td></tr>`;
         }).join('');
     }
 

www/main.js

@@ -179,7 +179,8 @@ document.addEventListener('DOMContentLoaded', () => {
     // Update the editor theme based on the dark mode state
     const updateEditorTheme = () => {
         if (typeof editor !== 'undefined') {
-            editor.setTheme(isDarkModeEnabled() ? "ace/theme/tomorrow_night_eighties" : "ace/theme/github");        }
+            editor.setTheme(isDarkModeEnabled() ? 'ace/theme/tomorrow_night_eighties' : 'ace/theme/github');
+        }
     };
 
     // Initial update for dark mode and toggle button