Module: libav
Branch: release/12
Commit: c432da860979840f70c00b88b6a65988fceaaf7e
Author: Anton Khirnov <an...@khirnov.net>
Committer: Sean McGovern <gsean...@gmail.com>
Date: Sat Jul 1 10:49:58 2017 +0200
caf: add an Opus tag
CC: libav-sta...@libav.org
(cherry picked from commit 48a5c35346aeded1c65b8709bbb085fa4e705c91)
Signed-off-by: Sean McGovern <gsean...@gmail.com>
---
libavformat/caf.c | 1 +
libavformat/cafdec.c | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/libavformat/caf.c b/libavformat/caf.c
index cf128d5..c299cad 100644
--- a/libavformat/caf.c
+++ b/libavformat/caf.c
@@ -49,6 +49,7 @@ const AVCodecTag ff_codec_caf_tags[] = {
{ AV_CODEC_ID_QCELP, MKBETAG('Q','c','l','p') },
{ AV_CODEC_ID_QDM2, MKBETAG('Q','D','M','2') },
{ AV_CODEC_ID_QDM2, MKBETAG('Q','D','M','C') },
+ { AV_CODEC_ID_OPUS, MKBETAG('o','p','u','s') },
/* currently unsupported codecs */
/*{ AC-3 over S/PDIF MKBETAG('c','a','c','3') },*/
/*{ MPEG4CELP MKBETAG('c','e','l','p') },*/
diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c
index 65bdcfc..3664a16 100644
--- a/libavformat/cafdec.c
+++ b/libavformat/cafdec.c
@@ -156,6 +156,14 @@ static int read_kuki_chunk(AVFormatContext *s, int64_t
size)
avio_skip(pb, size - ALAC_NEW_KUKI);
}
st->codecpar->extradata_size = ALAC_HEADER;
+ } else if (st->codecpar->codec_id == AV_CODEC_ID_OPUS) {
+ // The data layout for Opus is currently unknown, so we do not export
+ // extradata at all. Multichannel streams are not supported.
+ if (st->codecpar->channels > 2) {
+ avpriv_request_sample(s, "multichannel Opus in CAF");
+ return AVERROR_PATCHWELCOME;
+ }
+ avio_skip(pb, size);
} else {
st->codecpar->extradata = av_mallocz(size +
AV_INPUT_BUFFER_PADDING_SIZE);
if (!st->codecpar->extradata)
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