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Fix another buggy Chinese cameras

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This commit is contained in:
Alexey Khit
2023-02-03 12:54:42 +03:00
parent 1153ee3652
commit 8cee4179f2
1 changed files with 7 additions and 2 deletions
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pkg/h264/rtp.go
+7 -2
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@@ -10,6 +10,8 @@ import (
const RTPPacketVersionAVC = 0 const RTPPacketVersionAVC = 0
const PSMaxSize = 128 // the biggest SPS I've seen is 48 (EZVIZ CS-CV210)
func RTPDepay(track *streamer.Track) streamer.WrapperFunc { func RTPDepay(track *streamer.Track) streamer.WrapperFunc {
depack := &codecs.H264Packet{IsAVC: true} depack := &codecs.H264Packet{IsAVC: true}
@@ -29,7 +31,7 @@ func RTPDepay(track *streamer.Track) streamer.WrapperFunc {
// Fix TP-Link Tapo TC70: sends SPS and PPS with packet.Marker = true // Fix TP-Link Tapo TC70: sends SPS and PPS with packet.Marker = true
// Reolink Duo 2: sends SPS with Marker and PPS without // Reolink Duo 2: sends SPS with Marker and PPS without
if packet.Marker && len(payload) < 128 { if packet.Marker && len(payload) < PSMaxSize {
switch NALUType(payload) { switch NALUType(payload) {
case NALUTypeSPS, NALUTypePPS: case NALUTypeSPS, NALUTypePPS:
buf = append(buf, payload...) buf = append(buf, payload...)
@@ -70,7 +72,10 @@ func RTPDepay(track *streamer.Track) streamer.WrapperFunc {
if len(buf) > 0 { if len(buf) > 0 {
payload = append(buf, payload...) payload = append(buf, payload...)
buf = buf[:0] buf = buf[:0]
} else { }
// should not be that huge SPS
if NALUType(payload) == NALUTypeSPS && binary.BigEndian.Uint32(payload) >= PSMaxSize {
// some Chinese buggy cameras has single packet with SPS+PPS+IFrame separated by 00 00 00 01 // some Chinese buggy cameras has single packet with SPS+PPS+IFrame separated by 00 00 00 01
// https://github.com/AlexxIT/WebRTC/issues/391 // https://github.com/AlexxIT/WebRTC/issues/391
// https://github.com/AlexxIT/WebRTC/issues/392 // https://github.com/AlexxIT/WebRTC/issues/392