install go2rtc on bob

2026-04-04 19:36:14 +02:00
parent f0b56e63d1
commit ccf88187b8
537 changed files with 69213 additions and 0 deletions
@@ -0,0 +1,62 @@
+package device
+
+const (
+	V4L2_PIX_FMT_YUYV  = 'Y' | 'U'<<8 | 'Y'<<16 | 'V'<<24
+	V4L2_PIX_FMT_NV12  = 'N' | 'V'<<8 | '1'<<16 | '2'<<24
+	V4L2_PIX_FMT_MJPEG = 'M' | 'J'<<8 | 'P'<<16 | 'G'<<24
+	V4L2_PIX_FMT_H264  = 'H' | '2'<<8 | '6'<<16 | '4'<<24
+	V4L2_PIX_FMT_HEVC  = 'H' | 'E'<<8 | 'V'<<16 | 'C'<<24
+)
+
+type Format struct {
+	FourCC uint32
+	Name   string
+	FFmpeg string
+}
+
+var Formats = []Format{
+	{V4L2_PIX_FMT_YUYV, "YUV 4:2:2", "yuyv422"},
+	{V4L2_PIX_FMT_NV12, "Y/UV 4:2:0", "nv12"},
+	{V4L2_PIX_FMT_MJPEG, "Motion-JPEG", "mjpeg"},
+	{V4L2_PIX_FMT_H264, "H.264", "h264"},
+	{V4L2_PIX_FMT_HEVC, "HEVC", "hevc"},
+}
+
+func YUYVtoYUV(dst, src []byte) {
+	n := len(src)
+	i0 := 0
+	iy := 0
+	iu := n / 2
+	iv := n / 4 * 3
+	for i0 < n {
+		dst[iy] = src[i0]
+		i0++
+		iy++
+		dst[iu] = src[i0]
+		i0++
+		iu++
+		dst[iy] = src[i0]
+		i0++
+		iy++
+		dst[iv] = src[i0]
+		i0++
+		iv++
+	}
+}
+
+func NV12toYUV(dst, src []byte) {
+	n := len(src)
+	k := n / 6
+	i0 := k * 4
+	iu := i0
+	iv := i0 + k
+	copy(dst, src[:i0]) // copy Y
+	for i0 < n {
+		dst[iu] = src[i0]
+		i0++
+		iu++
+		dst[iv] = src[i0]
+		i0++
+		iv++
+	}
+}