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chunk support in mov patch by Roine Gustafsson <roine AT users DOT sourceforge DOT net>
Originally committed as revision 3890 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1746,11 +1746,10 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
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#ifdef DEBUG
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fprintf(stderr, "sc[ffid %d]->sample_size = %d\n", sc->ffindex, sc->sample_size);
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#endif
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//size = sc->sample_sizes[sc->current_sample];
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// that ain't working...
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//size = (sc->sample_size)?sc->sample_size:sc->sample_sizes[sc->current_sample];
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size = (sc->sample_size > 1)?sc->sample_size:sc->sample_sizes[sc->current_sample];
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// sample_size is not always correct for audio. Quicktime ignores this value and
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// computes it differently.
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if(s->streams[sc->ffindex]->codec.codec_type == CODEC_TYPE_VIDEO)
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size = sc->sample_size?sc->sample_size:sc->sample_sizes[sc->current_sample];
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sc->current_sample++;
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sc->left_in_chunk--;
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@ -1810,7 +1809,7 @@ again:
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if (sc->sample_size > 0) {
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int foundsize=0;
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for(i=0; i<(sc->sample_to_chunk_sz); i++) {
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if( (sc->sample_to_chunk[i].first)<=(sc->next_chunk) && (sc->sample_size>0) )
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if( (sc->sample_to_chunk[i].first)<=(sc->next_chunk) )
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{
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// I can't figure out why for PCM audio sample_size is always 1
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// (it should actually be channels*bits_per_second/8) but it is.
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@ -1836,7 +1835,8 @@ again:
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#ifdef MOV_SPLIT_CHUNKS
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/* split chunks into samples */
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if (sc->sample_size == 0) {
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if (s->streams[sc->ffindex]->codec.codec_type == CODEC_TYPE_VIDEO) {
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// This does not support split audio, as the sample_size is often not correct
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idx = sc->sample_to_chunk_index;
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if ((idx + 1 < sc->sample_to_chunk_sz)
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&& (sc->next_chunk >= sc->sample_to_chunk[idx + 1].first))
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@ -1846,7 +1846,7 @@ again:
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mov->partial = sc;
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/* we'll have to get those samples before next chunk */
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sc->left_in_chunk = sc->sample_to_chunk[idx].count - 1;
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size = (sc->sample_size > 1)?sc->sample_size:sc->sample_sizes[sc->current_sample];
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size = sc->sample_size?sc->sample_size:sc->sample_sizes[sc->current_sample];
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}
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sc->current_sample++;
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