Module: libav Branch: master Commit: 2d9535ad317733c977a89194975f14e0cc04fb7f
Author: Anton Khirnov <[email protected]> Committer: Anton Khirnov <[email protected]> Date: Sat Jan 28 08:46:22 2012 +0100 avcodec_align_dimensions2: set only 4 linesizes, not AV_NUM_DATA_POINTERS. 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 _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
