summaryrefslogtreecommitdiff
path: root/libavformat
diff options
context:
space:
mode:
authorBaptiste Coudurier <baptiste.coudurier@gmail.com>2011-01-25 15:08:20 +0000
committerJanne Grunau <janne-ffmpeg@jannau.net>2011-01-28 01:06:57 +0100
commitf2589642172d284a67e5bbd6c11c477a2aacda88 (patch)
tree98e3b2c0c70c6979709e2c1d33a564bf4d0a9faa /libavformat
parent37cb3eb53449ccefbbe8ea7dc5e66f9036aafe6e (diff)
In mov muxer, mux adpcm_ms and adpcm_ima_wav the way quicktime supports it
In mov demuxer, set adpcm_ms and adpcm_ima_wav frame size to stsd samples per packet. Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/mov.c1
-rw-r--r--libavformat/movenc.c29
2 files changed, 29 insertions, 1 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 18a923835c..ea9423ba7b 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1227,6 +1227,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, ByteIOContext *pb, int entries)
case CODEC_ID_GSM:
case CODEC_ID_ADPCM_MS:
case CODEC_ID_ADPCM_IMA_WAV:
+ st->codec->frame_size = sc->samples_per_frame;
st->codec->block_align = sc->bytes_per_frame;
break;
case CODEC_ID_ALAC:
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 5886dfeae6..606170150c 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -314,6 +314,16 @@ static int mov_pcm_le_gt16(enum CodecID codec_id)
codec_id == CODEC_ID_PCM_F64LE;
}
+static int mov_write_ms_tag(ByteIOContext *pb, MOVTrack *track)
+{
+ int64_t pos = url_ftell(pb);
+ put_be32(pb, 0);
+ put_le32(pb, track->tag);
+ track->enc->codec_tag = track->tag >> 16;
+ ff_put_wav_header(pb, track->enc);
+ return updateSize(pb, pos);
+}
+
static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
{
int64_t pos = url_ftell(pb);
@@ -339,6 +349,9 @@ static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
mov_write_ac3_tag(pb, track);
} else if (track->enc->codec_id == CODEC_ID_ALAC) {
mov_write_extradata_tag(pb, track);
+ } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
+ track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
+ mov_write_ms_tag(pb, track);
}
put_be32(pb, 8); /* size */
@@ -395,7 +408,9 @@ static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
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)) {
+ } 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;
}
}
@@ -457,6 +472,8 @@ static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
track->enc->codec_id == CODEC_ID_AC3 ||
track->enc->codec_id == CODEC_ID_AMR_NB ||
track->enc->codec_id == CODEC_ID_ALAC ||
+ track->enc->codec_id == CODEC_ID_ADPCM_MS ||
+ track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
mov_pcm_le_gt16(track->enc->codec_id)))
mov_write_wave_tag(pb, track);
else if(track->tag == MKTAG('m','p','4','a'))
@@ -1909,6 +1926,9 @@ 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
@@ -2108,6 +2128,13 @@ static int mov_write_header(AVFormatContext *s)
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 for adpcm\n", i);
+ goto error;
+ }
+ track->sampleSize = st->codec->block_align;
}else if(st->codec->frame_size > 1){ /* assume compressed audio */
track->audio_vbr = 1;
}else{