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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2025-03-17 09:59:36 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2025-03-20 07:10:17 +0100 |
| commit | 02c16b48c5827b9383004ad5a727742b30614fe7 (patch) | |
| tree | 89d7e14bced59833ed27ea255efa763211eab7d9 | |
| parent | fbcc943b22534517670d287f35eebe40896f771f (diff) | |
| download | ffmpeg-02c16b48c5827b9383004ad5a727742b30614fe7.tar.gz | |
avcodec/snow: Don't add to NULL
It is undefined behavior.
Fixes "runtime error: applying non-zero offset 8 to null pointer".
Fixes the Snow vsynth FATE-tests.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
| -rw-r--r-- | libavcodec/snow.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/snow.h b/libavcodec/snow.h index ff7ebc1c58..9b19e70bd5 100644 --- a/libavcodec/snow.h +++ b/libavcodec/snow.h @@ -272,7 +272,8 @@ static av_always_inline void add_yblock(SnowContext *s, int sliced, slice_buffer if(!sliced && offset_dst) dst += src_x + src_y*dst_stride; - dst8+= src_x + src_y*src_stride; + if (sliced || add) + dst8+= src_x + src_y*src_stride; // src += src_x + src_y*src_stride; ptmp= tmp + 3*tmp_step; |