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| author | Kevin Wang <kevmo314@gmail.com> | 2022-03-22 14:25:11 -0400 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2022-03-26 00:42:00 +0200 |
| commit | 8ae15b565533944d042d3caf25f7262e002e8953 (patch) | |
| tree | 639380f3dbed9bfe9da4bf6324f1afb5c5de648d | |
| parent | af6081273f483844fc055bc8623ec07198462c2a (diff) | |
| download | ffmpeg-8ae15b565533944d042d3caf25f7262e002e8953.tar.gz | |
rtpenc_vp8: Use 15-bit PictureIDs
7-bit PictureIDs are not supported by WebRTC:
https://groups.google.com/g/discuss-webrtc/c/333-L02vuWA
In practice, 15-bit PictureIDs offer better compatibility.
Signed-off-by: Kevin Wang <kevin@muxable.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rw-r--r-- | libavformat/rtpenc_vp8.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/rtpenc_vp8.c b/libavformat/rtpenc_vp8.c index 671d245758..655d44517e 100644 --- a/libavformat/rtpenc_vp8.c +++ b/libavformat/rtpenc_vp8.c @@ -35,7 +35,8 @@ void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buf, int size) // partition id 0 *s->buf_ptr++ = 0x90; *s->buf_ptr++ = 0x80; // Picture id present - *s->buf_ptr++ = s->frame_count++ & 0x7f; + *s->buf_ptr++ = ((s->frame_count & 0x7f00) >> 8) | 0x80; + *s->buf_ptr++ = s->frame_count++ & 0xff; // Calculate the number of remaining bytes header_size = s->buf_ptr - s->buf; max_packet_size = s->max_payload_size - header_size; |