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avformat/cafdec: reject multichannel Opus streams 

Multichannel Opus streams require channel mapping information in extradata.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Anton Khirnov 2017-09-19 23:04:55 -03:00 committed by James Almer
parent b4093e60c5
commit 5a3b602acd
1 changed files with 6 additions and 0 deletions
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6
libavformat/cafdec.c
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@ -167,6 +167,12 @@ static int read_kuki_chunk(AVFormatContext *s, int64_t size)
avio_skip(pb, size - ALAC_NEW_KUKI);
}
} 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 {
av_freep(&st->codecpar->extradata);