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Import Dirac demuxer/muxer from SoC branch; written by Marco Gerards,

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patch extracted by Anuradha Suraparaju anuradhaAtrdDoTbbcDoTcoDoTuk.

Originally committed as revision 13031 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato
2008-05-02 14:52:39 +00:00
parent 8a0684f4c4
commit 17ac9f1c38
3 changed files with 38 additions and 0 deletions
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36
libavformat/raw.c
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@ -254,6 +254,7 @@ static int video_read_header(AVFormatContext *s,
av_set_pts_info(st, 64, ap->time_base.num, ap->time_base.den);
} else if ( st->codec->codec_id == CODEC_ID_MJPEG ||
st->codec->codec_id == CODEC_ID_MPEG4 ||
st->codec->codec_id == CODEC_ID_DIRAC ||
st->codec->codec_id == CODEC_ID_H264) {
av_set_pts_info(st, 64, 1, 25);
}
@ -346,6 +347,14 @@ static int h261_probe(AVProbeData *p)
return 0;
}
static int dirac_probe(AVProbeData *p)
{
if (AV_RL32(p->buf) == MKTAG('B', 'B', 'C', 'D'))
return AVPROBE_SCORE_MAX;
else
return 0;
}
static int ac3_probe(AVProbeData *p)
{
int max_frames, first_frames = 0, frames;
@ -470,6 +479,33 @@ AVOutputFormat dts_muxer = {
#endif //CONFIG_MUXERS
AVInputFormat dirac_demuxer = {
"dirac",
"raw dirac",
0,
dirac_probe,
video_read_header,
raw_read_partial_packet,
raw_read_close,
.flags= AVFMT_GENERIC_INDEX,
.value = CODEC_ID_DIRAC,
};
#ifdef CONFIG_MUXERS
AVOutputFormat dirac_muxer = {
"dirac",
"raw dirac",
NULL,
"drc",
0,
0,
CODEC_ID_DIRAC,
NULL,
raw_write_packet,
.flags= AVFMT_NOTIMESTAMPS,
};
#endif
AVInputFormat dts_demuxer = {
"dts",
"raw dts",