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| author | Stefano Sabatini <stefasab@gmail.com> | 2012-09-08 02:31:41 +0400 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2012-11-25 21:19:59 +0400 |
| commit | 252746d052652b48f7bc0652e7c1601b1e997d9c (patch) | |
| tree | 2c8b3a0dc17251eb033918222dd9232bb14e2f3c /libavutil/imgutils.h | |
| parent | 26c531cc223d5ac6e5fd78f2364247a3d902b946 (diff) | |
lavu/imgutils: add consistency checks to av_image_copy_plane()
Add assertions and abort in case of invalid |dst_linesize| < bytewidth or
|src_linesize| < bytewidth.
Avoid to silently corrupt memory.
Diffstat (limited to 'libavutil/imgutils.h')
| -rw-r--r-- | libavutil/imgutils.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavutil/imgutils.h b/libavutil/imgutils.h index a9317a71e1..ab32d667d3 100644 --- a/libavutil/imgutils.h +++ b/libavutil/imgutils.h @@ -99,6 +99,9 @@ int av_image_alloc(uint8_t *pointers[4], int linesizes[4], * The first byte of each successive line is separated by *_linesize * bytes. * + * bytewidth must be contained by both absolute values of dst_linesize + * and src_linesize, otherwise the function behavior is undefined. + * * @param dst_linesize linesize for the image plane in dst * @param src_linesize linesize for the image plane in src */ |