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| author | Michel Bardiaux <mbardiaux@mediaxim.be> | 2007-02-20 11:09:47 +0000 |
|---|---|---|
| committer | Michel Bardiaux <mbardiaux@mediaxim.be> | 2007-02-20 11:09:47 +0000 |
| commit | 346a655d467915a2a96019104d6ec7cdd859f1f9 (patch) | |
| tree | 8c1dca31249aaaf9442dc6fab22111de687ce6d5 /libavformat | |
| parent | 758a6b3c061141af741c7dd777313f9d944ff86d (diff) | |
| download | ffmpeg-346a655d467915a2a96019104d6ec7cdd859f1f9.tar.gz | |
Add support for MS-GSM codec
Originally committed as revision 8039 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/riff.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavformat/riff.c b/libavformat/riff.c index cb6023cfa8..ffa35566a9 100644 --- a/libavformat/riff.c +++ b/libavformat/riff.c @@ -198,6 +198,7 @@ const AVCodecTag codec_wav_tags[] = { { CODEC_ID_TRUESPEECH, 0x22 }, { CODEC_ID_FLAC, 0xF1AC }, { CODEC_ID_IMC, 0x401 }, + { CODEC_ID_GSM_MS, 0x31 }, /* FIXME: All of the IDs below are not 16 bit and thus illegal. */ // for NuppelVideo (nuv.c) @@ -305,7 +306,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) enc->codec_id == CODEC_ID_PCM_ALAW || enc->codec_id == CODEC_ID_PCM_MULAW) { bps = 8; - } else if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) { + } else if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) { bps = 0; } else if (enc->codec_id == CODEC_ID_ADPCM_IMA_WAV || enc->codec_id == CODEC_ID_ADPCM_MS || enc->codec_id == CODEC_ID_ADPCM_G726 || enc->codec_id == CODEC_ID_ADPCM_YAMAHA) { // bps = 4; @@ -317,7 +318,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) bps = 16; } - if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3) { + if (enc->codec_id == CODEC_ID_MP2 || enc->codec_id == CODEC_ID_MP3 || enc->codec_id == CODEC_ID_GSM_MS) { blkalign = enc->frame_size; //this is wrong, but seems many demuxers dont work if this is set correctly //blkalign = 144 * enc->bit_rate/enc->sample_rate; } else if (enc->codec_id == CODEC_ID_ADPCM_G726) { // @@ -356,6 +357,10 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc) put_le16(pb, 16); /* fwHeadFlags */ put_le32(pb, 0); /* dwPTSLow */ put_le32(pb, 0); /* dwPTSHigh */ + } else if (enc->codec_id == CODEC_ID_GSM_MS) { + put_le16(pb, 2); /* wav_extra_size */ + hdrsize += 2; + put_le16(pb, enc->frame_size); /* wSamplesPerBlock */ } else if (enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) { put_le16(pb, 2); /* wav_extra_size */ hdrsize += 2; |