diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2015-07-08 00:49:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-07-08 01:32:04 +0200 |
| commit | b8c438e7623644edcfdb508c946a723a3b79b893 (patch) | |
| tree | bd8c623c77dcd0387bc6c52d16dd2e689b389614 | |
| parent | 42e7a5b3c704985c2c18970cc94a837b413df9d9 (diff) | |
videodsp: assert that linesize is larger than width
Suggested-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/videodsp_template.c | 2 | ||||
| -rw-r--r-- | libavcodec/x86/videodsp_init.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/videodsp_template.c b/libavcodec/videodsp_template.c index c569c30d60..94c1b7188d 100644 --- a/libavcodec/videodsp_template.c +++ b/libavcodec/videodsp_template.c @@ -32,6 +32,8 @@ void FUNC(ff_emulated_edge_mc)(uint8_t *buf, const uint8_t *src, if (!w || !h) return; + av_assert2(block_w * sizeof(pixel) <= FFABS(buf_linesize)); + if (src_y >= h) { src -= src_y * src_linesize; src += (h - 1) * src_linesize; diff --git a/libavcodec/x86/videodsp_init.c b/libavcodec/x86/videodsp_init.c index 885cdf1d8c..26e072bb12 100644 --- a/libavcodec/x86/videodsp_init.c +++ b/libavcodec/x86/videodsp_init.c @@ -162,6 +162,8 @@ static av_always_inline void emulated_edge_mc(uint8_t *dst, const uint8_t *src, if (!w || !h) return; + av_assert2(block_w <= FFABS(dst_stride)); + if (src_y >= h) { src -= src_y*src_stride; src_y_add = h - 1; |