From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 18 Jul 2008 11:38:53 +0000 (+0000)
Subject: Only realloc() bitstream buffer when the needed size increased,
X-Git-Tag: v0.5~3623
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cfcd396bae11de94ad4a729361bc9b7b05f04c27;p=platform%2Fupstream%2Flibav.git

Only realloc() bitstream buffer when the needed size increased,
this is needed to prevent loosing bitstream data with large metadata.

Originally committed as revision 14279 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/flac.c b/libavcodec/flac.c
index a7ba016..5745210 100644
--- a/libavcodec/flac.c
+++ b/libavcodec/flac.c
@@ -139,7 +139,8 @@ static void allocate_buffers(FLACContext *s){
         s->decoded[i] = av_realloc(s->decoded[i], sizeof(int32_t)*s->max_blocksize);
     }
 
-    s->bitstream= av_fast_realloc(s->bitstream, &s->allocated_bitstream_size, s->max_framesize);
+    if(s->allocated_bitstream_size < s->max_framesize)
+        s->bitstream= av_fast_realloc(s->bitstream, &s->allocated_bitstream_size, s->max_framesize);
 }
 
 void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,