avformat/avc: fix sps buffer offset when calling ff_avc_decode_sps()

Skip the avcC specific size bytes and the NAL header bits.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2019-11-29 23:13:36 -03:00
parent 0d67af34c2
commit 18507b4882
1 changed files with 1 additions and 1 deletions

View File

@ -197,7 +197,7 @@ int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len)
avio_write(pb, pps, pps_size);
if (sps[3] != 66 && sps[3] != 77 && sps[3] != 88) {
H264SequenceParameterSet *seq = ff_avc_decode_sps(sps, sps_size);
H264SequenceParameterSet *seq = ff_avc_decode_sps(sps + 3, sps_size - 3);
if (!seq)
goto fail;
avio_w8(pb, 0xfc | seq->chroma_format_idc); /* 6 bits reserved (111111) + chroma_format_idc */