From 0d6d96329466b78b92adbb9444dba1e75317b347 Mon Sep 17 00:00:00 2001
From: Aurelien Jacobs <aurel@gnuage.org>
Date: Mon, 20 Nov 2006 20:16:32 +0000
Subject: [PATCH] add support for tta in matroska
Originally committed as revision 7138 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavformat/matroska.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/libavformat/matroska.c b/libavformat/matroska.c
index dd9f0625b9b..44d07dda083 100644
--- a/libavformat/matroska.c
+++ b/libavformat/matroska.c
@@ -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;
--
GitLab