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matroskadec: Fix bug when parsing realaudio codec parameters

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flavor can be 0.

This fixes tract ticket #3214

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 0d944ee343)
This commit is contained in:
James Almer
2013-12-24 20:26:32 -03:00
committed by Carl Eugen Hoyos
parent 8c79730a8e
commit b962157ce3
1 changed files with 1 additions and 1 deletions
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libavformat/matroskadec.c
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@@ -1777,7 +1777,7 @@ static int matroska_read_header(AVFormatContext *s)
track->audio.sub_packet_h = avio_rb16(&b);
track->audio.frame_size = avio_rb16(&b);
track->audio.sub_packet_size = avio_rb16(&b);
if (flavor <= 0 || track->audio.coded_framesize <= 0 ||
if (flavor < 0 || track->audio.coded_framesize <= 0 ||
track->audio.sub_packet_h <= 0 || track->audio.frame_size <= 0 ||
track->audio.sub_packet_size <= 0)
return AVERROR_INVALIDDATA;