Alexey Khit
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package device
|
|
|
|
import (
|
|
"github.com/AlexxIT/go2rtc/internal/api"
|
|
"github.com/AlexxIT/go2rtc/pkg/core"
|
|
"os"
|
|
"os/exec"
|
|
"regexp"
|
|
"strings"
|
|
)
|
|
|
|
// https://trac.ffmpeg.org/wiki/Capture/Webcam
|
|
const deviceInputPrefix = "-f v4l2"
|
|
|
|
func deviceInputSuffix(video, audio string) string {
|
|
if video != "" {
|
|
return video
|
|
}
|
|
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 @ 0x204e1c0] Compressed: mjpeg : Motion-JPEG : 640x360 1280x720 1920x1080
|
|
// [video4linux2,v4l2 @ 0x204e1c0] Raw : yuyv422 : YUYV 4:2:2 : 640x360 1280x720 1920x1080
|
|
// [video4linux2,v4l2 @ 0x204e1c0] Compressed: h264 : H.264 : 640x360 1280x720 1920x1080
|
|
re := regexp.MustCompile("(Raw *|Compressed): +(.+?) : +(.+?) : (.+)")
|
|
m := re.FindAllStringSubmatch(string(b), -1)
|
|
for _, i := range m {
|
|
size, _, _ := strings.Cut(i[4], " ")
|
|
stream := api.Stream{
|
|
Name: i[3] + " | " + 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)
|
|
}
|
|
}
|
|
}
|