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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>
This commit is contained in:
Laurent Aimar 2011-09-07 22:17:39 +02:00 • committed by Martin Storsjö
parent beefafda63
commit 0aedab0340
1 changed files with 3 additions and 3 deletions
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6
libavcodec/wavpack.c
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@ -1114,7 +1114,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
int16_t *dst = (int16_t*)samples + 1;
int16_t *src = (int16_t*)samples;
int cnt = samplecount;
while(cnt--){
while(cnt-- > 0){
*dst = *src;
src += channel_stride;
dst += channel_stride;
@ -1123,7 +1123,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
int32_t *dst = (int32_t*)samples + 1;
int32_t *src = (int32_t*)samples;
int cnt = samplecount;
while(cnt--){
while(cnt-- > 0){
*dst = *src;
src += channel_stride;
dst += channel_stride;
@ -1132,7 +1132,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
float *dst = (float*)samples + 1;
float *src = (float*)samples;
int cnt = samplecount;
while(cnt--){
while(cnt-- > 0){
*dst = *src;
src += channel_stride;
dst += channel_stride;