mirror of https://git.ffmpeg.org/ffmpeg.git
cleanup
Originally committed as revision 3943 to svn://svn.ffmpeg.org/ffmpeg/trunk
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b416099044
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@ -219,15 +219,20 @@ typedef struct {
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struct MOVParseTableEntry;
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typedef struct Time2Sample{
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int count;
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int duration;
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}Time2Sample;
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typedef struct MOVStreamContext {
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int ffindex; /* the ffmpeg stream id */
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int is_ff_stream; /* Is this stream presented to ffmpeg ? i.e. is this an audio or video stream ? */
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long next_chunk;
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long chunk_count;
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int64_t *chunk_offsets;
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int32_t stts_count;
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uint64_t *stts_data; /* concatenated data from the time-to-sample atom (count|duration) */
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int32_t edit_count; /* number of 'edit' (elst atom) */
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int stts_count;
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Time2Sample *stts_data;
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int edit_count; /* number of 'edit' (elst atom) */
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long sample_to_chunk_sz;
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MOV_sample_to_chunk_tbl *sample_to_chunk;
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long sample_to_chunk_index;
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@ -1275,22 +1280,23 @@ static int mov_read_stts(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom)
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get_byte(pb); /* version */
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get_byte(pb); get_byte(pb); get_byte(pb); /* flags */
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entries = get_be32(pb);
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if(entries >= UINT_MAX / sizeof(uint64_t))
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if(entries >= UINT_MAX / sizeof(Time2Sample))
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return -1;
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c->streams[c->fc->nb_streams-1]->stts_count = entries;
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c->streams[c->fc->nb_streams-1]->stts_data = (uint64_t*) av_malloc(entries * sizeof(uint64_t));
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c->streams[c->fc->nb_streams-1]->stts_data = av_malloc(entries * sizeof(Time2Sample));
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#ifdef DEBUG
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av_log(NULL, AV_LOG_DEBUG, "track[%i].stts.entries = %i\n", c->fc->nb_streams-1, entries);
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#endif
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for(i=0; i<entries; i++) {
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int32_t sample_duration;
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int32_t sample_count;
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int sample_duration;
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int sample_count;
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sample_count=get_be32(pb);
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sample_duration = get_be32(pb);
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c->streams[c->fc->nb_streams - 1]->stts_data[i] = (uint64_t)sample_count<<32 | (uint64_t)sample_duration;
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c->streams[c->fc->nb_streams - 1]->stts_data[i].count= sample_count;
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c->streams[c->fc->nb_streams - 1]->stts_data[i].duration= sample_duration;
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#ifdef DEBUG
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av_log(NULL, AV_LOG_DEBUG, "sample_count=%d, sample_duration=%d\n",sample_count,sample_duration);
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#endif
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@ -1915,26 +1921,22 @@ readchunk:
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/* find the corresponding dts */
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if (sc && sc->sample_to_time_index < sc->stts_count && pkt) {
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uint32_t count;
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unsigned int count;
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uint64_t dts;
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uint32_t duration = (uint32_t)(sc->stts_data[sc->sample_to_time_index]&0xffff);
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count = (uint32_t)(sc->stts_data[sc->sample_to_time_index]>>32);
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unsigned int duration = sc->stts_data[sc->sample_to_time_index].duration;
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count = sc->stts_data[sc->sample_to_time_index].count;
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if ((sc->sample_to_time_sample + count) < sc->current_sample) {
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sc->sample_to_time_sample += count;
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sc->sample_to_time_time += count*duration;
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sc->sample_to_time_index ++;
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duration = (uint32_t)(sc->stts_data[sc->sample_to_time_index]&0xffff);
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duration = sc->stts_data[sc->sample_to_time_index].duration;
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}
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dts = sc->sample_to_time_time + (sc->current_sample-1 - sc->sample_to_time_sample) * duration;
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dts = sc->sample_to_time_time + (sc->current_sample-1 - sc->sample_to_time_sample) * (int64_t)duration;
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dts = av_rescale( dts,
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(int64_t)s->streams[sc->ffindex]->time_base.den,
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(int64_t)sc->time_scale * (int64_t)s->streams[sc->ffindex]->time_base.num );
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pkt->dts = dts;
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// audio pts = dts, true for video only in low_latency mode (FIXME a good way to know if we are in a low latency stream ?)
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if (s->streams[sc->ffindex]->codec.codec_type == CODEC_TYPE_AUDIO)
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pkt->pts = dts;
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else
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pkt->pts = AV_NOPTS_VALUE;
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//do not set pts=dts because u think it might be equal!!!!!!!!
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#ifdef DEBUG
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/* av_log(NULL, AV_LOG_DEBUG, "stream #%d smp #%ld dts = %ld (smp:%ld time:%ld idx:%ld ent:%d count:%ld dur:%ld)\n"
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, pkt->stream_index, sc->current_sample-1, (long)pkt->dts
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@ -2006,8 +2008,8 @@ static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
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av_log(s, AV_LOG_DEBUG, "Searching for sample_time %li \n", (long)sample_time);
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#endif
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for (i = 0; i < sc->stts_count; i++) {
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count = (uint32_t)(sc->stts_data[i]>>32);
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duration = (uint32_t)(sc->stts_data[i]&0xffff);
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count = sc->stts_data[i].count;
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duration = sc->stts_data[i].duration;
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//av_log(s, AV_LOG_DEBUG, "> sample_time %lli \n", (long)sample_time);
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//av_log(s, AV_LOG_DEBUG, "> count=%i duration=%i\n", count, duration);
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if ((start_time + count*duration) > sample_time) {
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@ -2149,8 +2151,8 @@ static int mov_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
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sample = 0;
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start_time = 0;
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for (msc->sample_to_time_index = 0; msc->sample_to_time_index < msc->stts_count; msc->sample_to_time_index++) {
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count = (uint32_t)(msc->stts_data[msc->sample_to_time_index]>>32);
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duration = (uint32_t)(msc->stts_data[msc->sample_to_time_index]&0xffff);
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count = msc->stts_data[msc->sample_to_time_index].count;
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duration = msc->stts_data[msc->sample_to_time_index].duration;
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if ((sample + count - 1) > msc->current_sample) {
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msc->sample_to_time_time = start_time;
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msc->sample_to_time_sample = sample;
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