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honor stsd v1 first, fix mace surge-2-8-MAC3.mov, beware of mulaw,alaw

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Originally committed as revision 11928 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-02-13 19:26:45 +00:00
parent 134e5a9a65
commit 501f162fde
1 changed files with 5 additions and 5 deletions
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10
libavformat/mov.c
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@ -1386,11 +1386,9 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
i + 1 == sc->sample_to_chunk[stsc_index + 1].first) i + 1 == sc->sample_to_chunk[stsc_index + 1].first)
stsc_index++; stsc_index++;
chunk_samples = sc->sample_to_chunk[stsc_index].count; chunk_samples = sc->sample_to_chunk[stsc_index].count;
/* get chunk size */ /* get chunk size, beware of alaw/ulaw/mace */
if (sc->sample_size > 1 || st->codec->bits_per_sample == 8) if (sc->samples_per_frame > 0 &&
chunk_size = chunk_samples * sc->sample_size; (chunk_samples * sc->bytes_per_frame % sc->samples_per_frame == 0)) {
else if (sc->samples_per_frame > 0 &&
(chunk_samples * sc->bytes_per_frame % sc->samples_per_frame == 0)) {
if (sc->samples_per_frame < 1024) if (sc->samples_per_frame < 1024)
chunk_size = chunk_samples * sc->bytes_per_frame / sc->samples_per_frame; chunk_size = chunk_samples * sc->bytes_per_frame / sc->samples_per_frame;
else { else {
@ -1398,6 +1396,8 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
frames = chunk_samples / sc->samples_per_frame; frames = chunk_samples / sc->samples_per_frame;
chunk_samples = sc->samples_per_frame; chunk_samples = sc->samples_per_frame;
} }
} else if (sc->sample_size > 1 || st->codec->bits_per_sample == 8) {
chunk_size = chunk_samples * sc->sample_size;
} else { } else {
av_log(mov->fc, AV_LOG_ERROR, "could not determine chunk size, report problem\n"); av_log(mov->fc, AV_LOG_ERROR, "could not determine chunk size, report problem\n");
goto out; goto out;