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Add H265 payloader to RTSP Server

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This commit is contained in:
Alexey Khit
2023-02-11 09:55:39 +03:00
parent 4cbbb5407c
commit 00b445a170
6 changed files with 344 additions and 35 deletions
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pkg/h264/README.md
+1 -33
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@@ -1,38 +1,6 @@
# H264
Access Unit (AU) can contain one or multiple NAL Unit:
1. [SEI,] SPS, PPS, IFrame, [IFrame...]
2. BFrame, [BFrame...]
3. IFrame, [IFrame...]
## RTP H264
Camera | NALu
-------|-----
EZVIZ C3S | 7f, 8f, 28:28:28 -> 5t, 28:28:28 -> 1t, 1t, 1t, 1t
Sonoff GK-200MP2-B | 28:28:28 -> 5t, 1t, 1t, 1t
Dahua IPC-K42 | 7f, 8f, 28:28:28 -> 5t, 28:28:28 -> 1t, 28:28:28 -> 1t
FFmpeg copy | 5t, 1t, 1t, 28:28:28 -> 1t, 28:28:28 -> 1t
FFmpeg h264 | 24 -> 6:5:5:5:5t, 24 -> 1:1:1:1t, 28:28:28 -> 5f, 28:28:28 -> 5f, 28:28:28 -> 5t
FFmpeg resize | 6f, 28:28:28 -> 5f, 28... -> 5t, 24 -> 1:1f, 24 -> 1:1t
## WebRTC
Video codec | Media string | Device
----------------|--------------|-------
H.264/baseline! | avc1.42E0xx | Chromecast
H.264/baseline! | avc1.42E0xx | Chrome/Safari WebRTC
H.264/baseline! | avc1.42C0xx | FFmpeg ultrafast
H.264/baseline! | avc1.4240xx | Dahua H264B
H.264/baseline | avc1.4200xx | Chrome WebRTC
H.264/main! | avc1.4D40xx | Chromecast
H.264/main! | avc1.4D40xx | FFmpeg superfast main
H.264/main! | avc1.4D40xx | Dahua H264
H.264/main | avc1.4D00xx | Chrome WebRTC
H.264/high! | avc1.640Cxx | Safari WebRTC
H.264/high | avc1.6400xx | Chromecast
H.264/high | avc1.6400xx | FFmpeg superfast
Payloader code taken from [pion](https://github.com/pion/rtp) library. And changed to AVC packets support.
## Useful Links
pkg/h264/payloader.go
+2 -2
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@@ -31,7 +31,7 @@ const (
//func annexbNALUStartCode() []byte { return []byte{0x00, 0x00, 0x00, 0x01} }
func emitNalus(nals []byte, isAVC bool, emit func([]byte)) {
func EmitNalus(nals []byte, isAVC bool, emit func([]byte)) {
if !isAVC {
nextInd := func(nalu []byte, start int) (indStart int, indLen int) {
zeroCount := 0
@@ -84,7 +84,7 @@ func (p *Payloader) Payload(mtu uint16, payload []byte) [][]byte {
return payloads
}
emitNalus(payload, p.IsAVC, func(nalu []byte) {
EmitNalus(payload, p.IsAVC, func(nalu []byte) {
if len(nalu) == 0 {
return
}