diff options
| author | Måns Rullgård <mans@mansr.com> | 2006-07-03 21:40:01 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2006-07-03 21:40:01 +0000 |
| commit | 83d07313647bc2bf98030825a44532205ca84936 (patch) | |
| tree | ecbd136451852d53817b6c3527e65bd1787df77f /libavformat/mpeg.c | |
| parent | ad78c0f3f1456a88392acbc859fc66d38ebed499 (diff) | |
attempt to detect Chinese AVS video
Originally committed as revision 5604 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/mpeg.c')
| -rw-r--r-- | libavformat/mpeg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c index eca8bff511..e5f76bdc0d 100644 --- a/libavformat/mpeg.c +++ b/libavformat/mpeg.c @@ -1605,8 +1605,15 @@ static int mpegps_read_packet(AVFormatContext *s, goto skip; } } else if (startcode >= 0x1e0 && startcode <= 0x1ef) { + static const unsigned char avs_seqh[4] = { 0, 0, 1, 0xb0 }; + unsigned char buf[8]; + get_buffer(&s->pb, buf, 8); + url_fseek(&s->pb, -8, SEEK_CUR); + if(!memcmp(buf, avs_seqh, 4) && (buf[6] != 0 || buf[7] != 1)) + codec_id = CODEC_ID_CAVS; + else + codec_id = CODEC_ID_MPEG2VIDEO; type = CODEC_TYPE_VIDEO; - codec_id = CODEC_ID_MPEG2VIDEO; } else if (startcode >= 0x1c0 && startcode <= 0x1df) { type = CODEC_TYPE_AUDIO; codec_id = CODEC_ID_MP2; |