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add pcm 24/32 le/be support 

Originally committed as revision 5375 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2006-05-13 20:05:02 +00:00
parent 08db8f1846
commit fcef991a85
1 changed files with 46 additions and 23 deletions
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69
libavformat/movenc.c
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@ -224,6 +224,14 @@ static int mov_write_damr_tag(ByteIOContext *pb)
return 0x11;
}
static int mov_write_enda_tag(ByteIOContext *pb)
{
put_be32(pb, 10);
put_tag(pb, "enda");
put_be16(pb, 1); /* little endian */
return 10;
}
static unsigned int descrLength(unsigned int len)
{
int i;
@ -242,10 +250,8 @@ static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
{
int decoderSpecificInfoLen;
offset_t pos = url_ftell(pb);
decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
put_be32(pb, 0); // size
put_tag(pb, "esds");
@ -302,17 +308,18 @@ static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
put_be32(pb, 12); /* size */
put_tag(pb, "frma");
put_tag(pb, "mp4a");
put_le32(pb, track->tag);
put_be32(pb, 12); /* size */
put_tag(pb, "mp4a");
put_be32(pb, 0);
if (track->enc->codec_id == CODEC_ID_AAC) {
put_be32(pb, 12); /* size */
put_tag(pb, "mp4a");
put_be32(pb, 0);
mov_write_esds_tag(pb, track);
put_be32(pb, 12); /* size */
put_tag(pb, "srcq");
put_be32(pb, 0x40);
mov_write_esds_tag(pb, track);
} else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
track->enc->codec_id == CODEC_ID_PCM_S32LE) {
mov_write_enda_tag(pb);
}
put_be32(pb, 8); /* size */
put_be32(pb, 0); /* null tag */
@ -331,6 +338,10 @@ static const CodecTag codec_movaudio_tags[] = {
{ CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
{ CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
{ CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
{ CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
{ CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
{ CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
{ CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
{ CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
{ CODEC_ID_NONE, 0 },
};
@ -338,6 +349,10 @@ static const CodecTag codec_movaudio_tags[] = {
static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
{
offset_t pos = url_ftell(pb);
int version = track->mode == MODE_MOV &&
(track->enc->codec_id == CODEC_ID_AAC ||
track->enc->codec_id == CODEC_ID_PCM_S32LE ||
track->enc->codec_id == CODEC_ID_PCM_S24LE);
put_be32(pb, 0); /* size */
put_le32(pb, track->tag); // store it byteswapped
@ -346,10 +361,7 @@ static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
put_be16(pb, 1); /* Data-reference index, XXX == 1 */
/* SoundDescription */
if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC)
put_be16(pb, 1); /* Version 1 */
else
put_be16(pb, 0); /* Version 0 */
put_be16(pb, version); /* Version */
put_be16(pb, 0); /* Revision level */
put_be32(pb, 0); /* Reserved */
@ -369,20 +381,23 @@ static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
put_be16(pb, track->timescale); /* Time scale */
put_be16(pb, 0); /* Reserved */
if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC) {
if(version == 1) {
/* SoundDescription V1 extended info */
put_be32(pb, track->enc->frame_size); /* Samples per packet */
put_be32(pb, 1536); /* Bytes per packet */
put_be32(pb, 2); /* Bytes per frame */
put_be32(pb, track->sampleDuration); /* Bytes per frame */
put_be32(pb, 8); /* Bytes per sample */
put_be32(pb, 2); /* Bytes per sample */
}
if(track->enc->codec_id == CODEC_ID_AAC) {
if( track->mode == MODE_MOV ) mov_write_wave_tag(pb, track);
else mov_write_esds_tag(pb, track);
}
if(track->enc->codec_id == CODEC_ID_AMR_NB)
if (track->mode == MODE_MOV) mov_write_wave_tag(pb, track);
else mov_write_esds_tag(pb, track);
} else if(track->enc->codec_id == CODEC_ID_AMR_NB) {
mov_write_damr_tag(pb);
} else if(track->enc->codec_id == CODEC_ID_PCM_S24LE ||
track->enc->codec_id == CODEC_ID_PCM_S32LE) {
mov_write_wave_tag(pb, track);
}
return updateSize (pb, pos);
}
@ -1604,6 +1619,14 @@ static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
case CODEC_ID_PCM_S16LE:
samplesInChunk = size/(2*enc->channels);
break;
case CODEC_ID_PCM_S24BE:
case CODEC_ID_PCM_S24LE:
samplesInChunk = size/(3*enc->channels);
break;
case CODEC_ID_PCM_S32BE:
case CODEC_ID_PCM_S32LE:
samplesInChunk = size/(4*enc->channels);
break;
default:
samplesInChunk = 1;
}