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matroskadec: Pad AAC extradata.

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind

CC: libav-stable@libav.org
(cherry picked from commit d2ee8c17793201ce969afd1f433ba1580c143cd2)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Alex Converse 2012-01-25 14:34:21 -08:00 committed by Reinhard Tartler
parent 683213230e
commit be0b3137d0
1 changed files with 1 additions and 1 deletions
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libavformat/matroskadec.c
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@ -1440,7 +1440,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
} else if (codec_id == CODEC_ID_AAC && !track->codec_priv.size) {
int profile = matroska_aac_profile(track->codec_id);
int sri = matroska_aac_sri(track->audio.samplerate);
extradata = av_malloc(5);
extradata = av_mallocz(5 + FF_INPUT_BUFFER_PADDING_SIZE);
if (extradata == NULL)
return AVERROR(ENOMEM);
extradata[0] = (profile << 3) | ((sri&0x0E) >> 1);