This function is video-only, so there's no point in setting more
linesizes.
Fixes stack corruption in avplay.
---
libavcodec/utils.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 707ecb5..34a4122 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -219,7 +219,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int
*width, int *height,
*height+=2; // some of the optimized chroma MC reads one line too much
// which is also done in mpeg decoders with lowres > 0
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
+ for (i = 0; i < 4; i++)
linesize_align[i] = STRIDE_ALIGN;
//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
@@ -229,7 +229,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int
*width, int *height,
if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 ||
s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F ||
s->codec_id == CODEC_ID_VP6A) {
- for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
+ for (i = 0; i < 4; i++)
linesize_align[i] = 16;
}
#endif
--
1.7.7.3
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