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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)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Laurent Aimar
2011-09-26 19:26:31 +02:00
committed by Reinhard Tartler
parent aee461277a
commit 685940da4c
1 changed files with 3 additions and 3 deletions
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libavcodec/wavpack.c
+3 -3
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@@ -1113,7 +1113,7 @@ 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;
@@ -1122,7 +1122,7 @@ 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;
@@ -1131,7 +1131,7 @@ 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;