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lavf/brstm: expose the loop point when present

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Rodger Combs 2015-06-23 12:35:33 -05:00 committed by Michael Niedermayer
parent 2c77ca459e
commit 0643b4bf74
1 changed files with 13 additions and 2 deletions
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15
libavformat/brstm.c
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@ -93,6 +93,7 @@ static int read_header(AVFormatContext *s)
uint32_t size, asize, start = 0;
AVStream *st;
int ret = AVERROR_EOF;
int loop = 0;
int bfstm = !strcmp("bfstm", s->iformat->name);
st = avformat_new_stream(s, NULL);
@ -195,7 +196,7 @@ static int read_header(AVFormatContext *s)
return AVERROR_PATCHWELCOME;
}
avio_skip(s->pb, 1); // loop flag
loop = avio_r8(s->pb); // loop flag
st->codec->codec_id = codec;
st->codec->channels = avio_r8(s->pb);
if (!st->codec->channels)
@ -209,7 +210,17 @@ static int read_header(AVFormatContext *s)
if (!bfstm)
avio_skip(s->pb, 2); // padding
avio_skip(s->pb, 4); // loop start sample
if (loop) {
if (av_dict_set_int(&s->metadata, "loop_start",
av_rescale(read32(s), AV_TIME_BASE,
st->codec->sample_rate),
0) < 0)
return AVERROR(ENOMEM);
} else {
avio_skip(s->pb, 4);
}
st->start_time = 0;
st->duration = read32(s);
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);