uint32_t tag = track->tag;
if (track->mode == MODE_MOV) {
- if (mov_get_lpcm_flags(track->enc->codec_id))
- tag = AV_RL32("lpcm");
- version = 2;
+ if (track->timescale > UINT16_MAX) {
+ if (mov_get_lpcm_flags(track->enc->codec_id))
+ tag = AV_RL32("lpcm");
+ version = 2;
+ } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
+ track->enc->codec_id == CODEC_ID_ADPCM_MS ||
+ track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
+ version = 1;
+ }
}
avio_wb32(pb, 0); /* size */
avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
avio_wb32(pb, track->sampleSize);
- avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
+ avio_wb32(pb, track->enc->frame_size);
} else {
- /* reserved for mp4/3gp */
- avio_wb16(pb, 2);
- avio_wb16(pb, 16);
- avio_wb16(pb, 0);
+ if (track->mode == MODE_MOV) {
+ avio_wb16(pb, track->enc->channels);
+ if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
+ track->enc->codec_id == CODEC_ID_PCM_S8)
+ avio_wb16(pb, 8); /* bits per sample */
+ else
+ avio_wb16(pb, 16);
+ avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
+ } else { /* reserved for mp4/3gp */
+ avio_wb16(pb, 2);
+ avio_wb16(pb, 16);
+ avio_wb16(pb, 0);
+ }
avio_wb16(pb, 0); /* packet size (= 0) */
avio_wb16(pb, track->timescale); /* Time scale */
avio_wb16(pb, 0); /* Reserved */
}
+ if(version == 1) { /* SoundDescription V1 extended info */
+ avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
+ avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
+ avio_wb32(pb, track->sampleSize); /* Bytes per frame */
+ avio_wb32(pb, 2); /* Bytes per sample */
+ }
+
if(track->mode == MODE_MOV &&
(track->enc->codec_id == CODEC_ID_AAC ||
track->enc->codec_id == CODEC_ID_AC3 ||
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
return -1;
}
+ } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
+ enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
+ samplesInChunk = enc->frame_size;
} else if (trk->sampleSize)
samplesInChunk = size/trk->sampleSize;
else
"or choose different container.\n");
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
track->timescale = st->codec->sample_rate;
- /* set sampleSize for PCM and ADPCM */
- if (av_get_bits_per_sample(st->codec->codec_id)) {
+ if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
+ av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
+ goto error;
+ }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
+ st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
if (!st->codec->block_align) {
- av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
+ av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
goto error;
}
track->sampleSize = st->codec->block_align;
- }
- /* set audio_vbr for compressed audio */
- if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
- if (!st->codec->frame_size) {
- av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
- goto error;
- }
+ }else if(st->codec->frame_size > 1){ /* assume compressed audio */
track->audio_vbr = 1;
+ }else{
+ st->codec->frame_size = 1;
+ track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
}
if (track->mode != MODE_MOV) {
if (track->timescale > UINT16_MAX) {