From 8d39d67a789f1695d4db6cd4845ec4920336437e Mon Sep 17 00:00:00 2001
From: Denes Balatoni <dbalatoni@programozo.hu>
Date: Sun, 7 May 2006 17:30:00 +0000
Subject: [PATCH] vorbis 5:1 decoding fix, fix mi2_vorbis51.mp4, patch by Denes
Balatoni <dbalatoni at programozo dot hu>
Originally committed as revision 5349 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/vorbis.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/vorbis.c b/libavcodec/vorbis.c
index 2e9528eb92e..0deda82b973 100644
--- a/libavcodec/vorbis.c
+++ b/libavcodec/vorbis.c
@@ -1357,7 +1357,9 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
uint_fast32_t temp2;
temp2=(((uint_fast64_t)temp) * inverse[vr->classifications])>>32;
- classifs[j_times_ptns_to_read+partition_count+c_p_c-1-i]=temp-temp2*vr->classifications;
+ if (partition_count+c_p_c-1-i < ptns_to_read) {
+ classifs[j_times_ptns_to_read+partition_count+c_p_c-1-i]=temp-temp2*vr->classifications;
+ }
temp=temp2;
}
}
--
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