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ffmpeg.wasm-core
Commit 8e8c5131 authored by Justin Ruggles's avatar Justin Ruggles
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movenc: simplify handling of pcm vs. adpcm vs. other compressed codecs 

Use Sound Sample Description Version 2 for all MOV files.
Updated FATE references accordingly.
Note that ADPCM is treated as compressed audio in version 2.
parent d5837d7f
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Showing with 28 additions and 53 deletions
libavformat/movenc.c
View file @ 8e8c5131
......@@ -418,15 +418,9 @@ static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
uint32_t tag = track->tag;
if (track->mode == MODE_MOV) {
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;
}
if (mov_get_lpcm_flags(track->enc->codec_id))
tag = AV_RL32("lpcm");
version = 2;
}
avio_wb32(pb, 0); /* size */
......@@ -453,34 +447,18 @@ static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
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->enc->frame_size);
avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
} else {
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);
}
/* 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 ||
......@@ -2015,9 +1993,6 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
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
......@@ -2224,21 +2199,21 @@ static int mov_write_header(AVFormatContext *s)
"or choose different container.\n");
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
track->timescale = st->codec->sample_rate;
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){
/* set sampleSize for PCM and ADPCM */
if (av_get_bits_per_sample(st->codec->codec_id)) {
if (!st->codec->block_align) {
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
goto error;
}
track->sampleSize = st->codec->block_align;
}else if(st->codec->frame_size > 1){ /* assume compressed audio */
}
/* 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;
}
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) {
......
tests/ref/acodec/pcm_s16be
View file @ 8e8c5131
a4e18d1ca9ef5b8132a84d43625ddc47 *./tests/data/acodec/pcm_s16be.mov
1060037 ./tests/data/acodec/pcm_s16be.mov
dd832e23156643becce8e9d2c24cb31d *./tests/data/acodec/pcm_s16be.mov
1060073 ./tests/data/acodec/pcm_s16be.mov
64151e4bcc2b717aa5a8454d424d6a1f *./tests/data/pcm_s16be.acodec.out.wav
stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400
tests/ref/acodec/pcm_s24be
View file @ 8e8c5131
971d2d2633e41a0326fe2d04a2d0350f *./tests/data/acodec/pcm_s24be.mov
1589237 ./tests/data/acodec/pcm_s24be.mov
1b570c296bce03e36e1dfb369190ffb6 *./tests/data/acodec/pcm_s24be.mov
1589273 ./tests/data/acodec/pcm_s24be.mov
64151e4bcc2b717aa5a8454d424d6a1f *./tests/data/pcm_s24be.acodec.out.wav
stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400
tests/ref/acodec/pcm_s32be
View file @ 8e8c5131
fc4f4e3e195bbde037ed31021d229f12 *./tests/data/acodec/pcm_s32be.mov
2118437 ./tests/data/acodec/pcm_s32be.mov
249c2ca88e2d8cdaed345e3d446e5bc3 *./tests/data/acodec/pcm_s32be.mov
2118473 ./tests/data/acodec/pcm_s32be.mov
64151e4bcc2b717aa5a8454d424d6a1f *./tests/data/pcm_s32be.acodec.out.wav
stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400
tests/ref/acodec/pcm_s8
View file @ 8e8c5131
760f85fb9f4e8aba326fb44ae84c9507 *./tests/data/acodec/pcm_s8.mov
530837 ./tests/data/acodec/pcm_s8.mov
f467f8899b2bd11c736d0f4e61efb1c4 *./tests/data/acodec/pcm_s8.mov
530873 ./tests/data/acodec/pcm_s8.mov
651d4eb8d98dfcdda96ae6c43d8f156b *./tests/data/pcm_s8.acodec.out.wav
stddev: 147.89 PSNR: 52.93 MAXDIFF: 255 bytes: 1058400/ 1058400
tests/ref/lavf/mov
View file @ 8e8c5131
4a3ad13f0355cb5d119109778d555207 *./tests/data/lavf/lavf.mov
357681 ./tests/data/lavf/lavf.mov
8dc82a08a0abb47c822d03a6e408383b *./tests/data/lavf/lavf.mov
357717 ./tests/data/lavf/lavf.mov
./tests/data/lavf/lavf.mov CRC=0x2f6a9b26
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