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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-09-30 18:25:04 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-10-05 14:38:52 +0200 |
| commit | fcfa6965e5e398a850d87a276b0deb5dc5d1525e (patch) | |
| tree | 6ac6af1107c588d64106d5b324e0115c8bfbfc73 | |
| parent | fced3a17dbdade0635fe900ad0b748c5278c01a2 (diff) | |
| download | ffmpeg-fcfa6965e5e398a850d87a276b0deb5dc5d1525e.tar.gz | |
avcodec/escape124: Fix segfault with negative linesizes
Use ptrdiff_t instead of unsigned for linesizes.
Fixes the armovie-escape124 FATE test with negative linesizes.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
| -rw-r--r-- | libavcodec/escape124.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/escape124.c b/libavcodec/escape124.c index eeeb9bb0f7..024eec59ce 100644 --- a/libavcodec/escape124.c +++ b/libavcodec/escape124.c @@ -178,8 +178,8 @@ static void insert_mb_into_sb(SuperBlock* sb, MacroBlock mb, unsigned index) { dst[4] = mb.pixels32[1]; } -static void copy_superblock(uint16_t* dest, unsigned dest_stride, - uint16_t* src, unsigned src_stride) +static void copy_superblock(uint16_t* dest, ptrdiff_t dest_stride, + uint16_t* src, ptrdiff_t src_stride) { unsigned y; if (src) @@ -211,7 +211,7 @@ static int escape124_decode_frame(AVCodecContext *avctx, AVFrame *frame, superblocks_per_row = avctx->width / 8, skip = -1; uint16_t* old_frame_data, *new_frame_data; - unsigned old_stride, new_stride; + ptrdiff_t old_stride, new_stride; int ret; |