static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov) { int pos, i; pos = url_ftell(pb); put_be32(pb, 0); /* size placeholder*/ put_tag(pb, "moov"); mov->timescale = globalTimescale; for (i=0; i<MAX_STREAMS; i++) { if(mov->tracks[i].entry <= 0) continue; if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) { mov->tracks[i].timescale = mov->tracks[i].enc->frame_rate; mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_rate_base; } else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) { /* If AMR, track timescale = 8000, AMR_WB = 16000 */ if(mov->tracks[i].enc->codec_id == CODEC_ID_AMR_NB) { mov->tracks[i].sampleDuration = 160; // Bytes per chunk mov->tracks[i].timescale = 8000; } else { mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate; mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size; } } mov->tracks[i].trackDuration = mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration; mov->tracks[i].time = mov->time; mov->tracks[i].trackID = i+1; } mov_write_mvhd_tag(pb, mov); //mov_write_iods_tag(pb, mov); for (i=0; i<MAX_STREAMS; i++) { if(mov->tracks[i].entry > 0) { mov_write_trak_tag(pb, &(mov->tracks[i])); } } return updateSize(pb, pos); }