From 8d39d67a789f1695d4db6cd4845ec4920336437e Mon Sep 17 00:00:00 2001 From: Denes Balatoni Date: Sun, 7 May 2006 17:30:00 +0000 Subject: [PATCH] vorbis 5:1 decoding fix, fix mi2_vorbis51.mp4, patch by Denes Balatoni 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 2e9528eb92..0deda82b97 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; } }