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Fixed invalid writes in wavpack decoder on corrupted bitstreams.

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Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 0aedab0340)
This commit is contained in:
Laurent Aimar
2011-09-07 22:17:39 +02:00
committed by Michael Niedermayer
parent b0da6a744a
commit 558cf502ac
1 changed files with 3 additions and 3 deletions
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6
libavcodec/wavpack.c
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@@ -1141,7 +1141,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
int16_t *dst = (int16_t*)samples + 1; int16_t *dst = (int16_t*)samples + 1;
int16_t *src = (int16_t*)samples; int16_t *src = (int16_t*)samples;
int cnt = samplecount; int cnt = samplecount;
while(cnt--){ while(cnt-- > 0){
*dst = *src; *dst = *src;
src += channel_stride; src += channel_stride;
dst += channel_stride; dst += channel_stride;
@@ -1150,7 +1150,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
int32_t *dst = (int32_t*)samples + 1; int32_t *dst = (int32_t*)samples + 1;
int32_t *src = (int32_t*)samples; int32_t *src = (int32_t*)samples;
int cnt = samplecount; int cnt = samplecount;
while(cnt--){ while(cnt-- > 0){
*dst = *src; *dst = *src;
src += channel_stride; src += channel_stride;
dst += channel_stride; dst += channel_stride;
@@ -1159,7 +1159,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
float *dst = (float*)samples + 1; float *dst = (float*)samples + 1;
float *src = (float*)samples; float *src = (float*)samples;
int cnt = samplecount; int cnt = samplecount;
while(cnt--){ while(cnt-- > 0){
*dst = *src; *dst = *src;
src += channel_stride; src += channel_stride;
dst += channel_stride; dst += channel_stride;