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authorBaptiste Coudurier <baptiste.coudurier@gmail.com>2006-05-13 20:05:02 +0000
committerBaptiste Coudurier <baptiste.coudurier@gmail.com>2006-05-13 20:05:02 +0000
commitfcef991a85b46f53bd9cd94a1f6a61c6d305b58a (patch)
treec0a2c631840e7a9b9b1acde7301269b1bfc22ff5
parent08db8f1846ea5d4a256dee411bdf0186d1118dc1 (diff)
downloadffmpeg-fcef991a85b46f53bd9cd94a1f6a61c6d305b58a.tar.gz
add pcm 24/32 le/be support
Originally committed as revision 5375 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavformat/movenc.c69
1 files changed, 46 insertions, 23 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 4afb5e1317..842aa13dc7 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -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_be32(pb, 12); /* size */
- put_tag(pb, "mp4a");
- put_be32(pb, 0);
+ put_le32(pb, track->tag);
- mov_write_esds_tag(pb, track);
+ if (track->enc->codec_id == CODEC_ID_AAC) {
+ put_be32(pb, 12); /* size */
+ put_tag(pb, "mp4a");
+ put_be32(pb, 0);
- 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;
}