Added FreeBSD Binaries (#2)

Co-authored-by: Rob van Oostenrijk <robvanoostenrijk@noreply.users.github.com>

.github/workflows/build.yml

@@ -112,7 +112,6 @@ jobs:
         uses: actions/upload-artifact@v3
         with: { name: go2rtc_freebsd_arm64, path: go2rtc }
 
-
   docker-master:
     name: Build docker master
     runs-on: ubuntu-latest

internal/ffmpeg/device/device_freebsd.go

@@ -0,0 +1,86 @@
+package device
+
+import (
+	"net/url"
+	"os/exec"
+	"regexp"
+	"strings"
+
+	"github.com/AlexxIT/go2rtc/internal/api"
+	"github.com/AlexxIT/go2rtc/pkg/core"
+)
+
+func queryToInput(query url.Values) string {
+	video := query.Get("video")
+	audio := query.Get("audio")
+
+	if video == "" && audio == "" {
+		return ""
+	}
+
+	// https://ffmpeg.org/ffmpeg-devices.html#avfoundation
+	input := "-f avfoundation"
+
+	if video != "" {
+		video = indexToItem(videos, video)
+
+		for key, value := range query {
+			switch key {
+			case "resolution":
+				input += " -video_size " + value[0]
+			case "pixel_format", "framerate", "video_size", "capture_cursor", "capture_mouse_clicks", "capture_raw_data":
+				input += " -" + key + " " + value[0]
+			}
+		}
+	}
+
+	if audio != "" {
+		audio = indexToItem(audios, audio)
+	}
+
+	return input + ` -i "` + video + `:` + audio + `"`
+}
+
+func initDevices() {
+	// [AVFoundation indev @ 0x147f04510] AVFoundation video devices:
+	// [AVFoundation indev @ 0x147f04510] [0] FaceTime HD Camera
+	// [AVFoundation indev @ 0x147f04510] [1] Capture screen 0
+	// [AVFoundation indev @ 0x147f04510] AVFoundation audio devices:
+	// [AVFoundation indev @ 0x147f04510] [0] MacBook Pro Microphone
+	cmd := exec.Command(
+		Bin, "-hide_banner", "-list_devices", "true", "-f", "avfoundation", "-i", "",
+	)
+	b, _ := cmd.CombinedOutput()
+
+	re := regexp.MustCompile(`\[\d+] (.+)`)
+
+	var kind string
+	for _, line := range strings.Split(string(b), "\n") {
+		switch {
+		case strings.HasSuffix(line, "video devices:"):
+			kind = core.KindVideo
+			continue
+		case strings.HasSuffix(line, "audio devices:"):
+			kind = core.KindAudio
+			continue
+		}
+
+		m := re.FindStringSubmatch(line)
+		if m == nil {
+			continue
+		}
+
+		name := m[1]
+
+		switch kind {
+		case core.KindVideo:
+			videos = append(videos, name)
+		case core.KindAudio:
+			audios = append(audios, name)
+		}
+
+		streams = append(streams, &api.Source{
+			Name: name, URL: "ffmpeg:device?" + kind + "=" + name,
+		})
+	}
+}

internal/ffmpeg/hardware/hardware_freebsd.go

@@ -0,0 +1,37 @@
+package hardware
+
+import (
+	"github.com/AlexxIT/go2rtc/internal/api"
+)
+
+const ProbeVideoToolboxH264 = "-f lavfi -i testsrc2=size=svga -t 1 -c h264_videotoolbox -f null -"
+const ProbeVideoToolboxH265 = "-f lavfi -i testsrc2=size=svga -t 1 -c hevc_videotoolbox -f null -"
+
+func ProbeAll(bin string) []*api.Source {
+	return []*api.Source{
+		{
+			Name: runToString(bin, ProbeVideoToolboxH264),
+			URL:  "ffmpeg:...#video=h264#hardware=" + EngineVideoToolbox,
+		},
+		{
+			Name: runToString(bin, ProbeVideoToolboxH265),
+			URL:  "ffmpeg:...#video=h265#hardware=" + EngineVideoToolbox,
+		},
+	}
+}
+
+func ProbeHardware(bin, name string) string {
+	switch name {
+	case "h264":
+		if run(bin, ProbeVideoToolboxH264) {
+			return EngineVideoToolbox
+		}
+
+	case "h265":
+		if run(bin, ProbeVideoToolboxH265) {
+			return EngineVideoToolbox
+		}
+	}
+
+	return EngineSoftware
+}

pkg/mdns/syscall_freebsd.go

@@ -0,0 +1,24 @@
+package mdns
+
+import (
+	"syscall"
+)
+
+func SetsockoptInt(fd uintptr, level, opt int, value int) (err error) {
+	// change SO_REUSEADDR and REUSEPORT flags simultaneously for BSD-like OS
+	// https://github.com/AlexxIT/go2rtc/issues/626
+	// https://stackoverflow.com/questions/14388706/how-do-so-reuseaddr-and-so-reuseport-differ/14388707
+	if opt == syscall.SO_REUSEADDR {
+		if err = syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
+			return
+		}
+
+		opt = syscall.SO_REUSEPORT
+	}
+
+	return syscall.SetsockoptInt(int(fd), level, opt, value)
+}
+
+func SetsockoptIPMreq(fd uintptr, level, opt int, mreq *syscall.IPMreq) (err error) {
+	return syscall.SetsockoptIPMreq(int(fd), level, opt, mreq)
+}