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add support for tta in matroska 

Originally committed as revision 7138 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2006-11-20 20:16:32 +00:00
parent 1038efd8ba
commit 0d6d963294
1 changed files with 18 additions and 0 deletions
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18
libavformat/matroska.c
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@ -225,6 +225,7 @@ static CodecTags codec_tags[]={
{"A_VORBIS" , CODEC_ID_VORBIS},
{"A_AAC" , CODEC_ID_AAC},
{"A_WAVPACK4" , CODEC_ID_WAVPACK},
{"A_TTA1" , CODEC_ID_TTA},
{NULL , CODEC_ID_NONE}
/* TODO: AC3-9/10 (?), Real, Musepack, Quicktime */
};
@ -2264,6 +2265,23 @@ matroska_read_header (AVFormatContext *s,
}
}
else if (codec_id == CODEC_ID_TTA) {
MatroskaAudioTrack *audiotrack = (MatroskaAudioTrack *) track;
ByteIOContext b;
extradata_size = 30;
extradata = av_mallocz(extradata_size);
if (extradata == NULL)
return AVERROR_NOMEM;
init_put_byte(&b, extradata, extradata_size, 1,
NULL, NULL, NULL, NULL);
put_buffer(&b, (uint8_t *) "TTA1", 4);
put_le16(&b, 1);
put_le16(&b, audiotrack->channels);
put_le16(&b, audiotrack->bitdepth);
put_le32(&b, audiotrack->samplerate);
put_le32(&b, matroska->ctx->duration * audiotrack->samplerate);
}
else if (codec_id == CODEC_ID_RV10 || codec_id == CODEC_ID_RV20 ||
codec_id == CODEC_ID_RV30 || codec_id == CODEC_ID_RV40) {
extradata_offset = 26;