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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-19 01:20:27 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-19 01:20:27 +0200 |
| commit | 05b0337025f629d0a6c6321147f06d0da5e32a62 (patch) | |
| tree | 11d7ca4e08838930db2779abc34f7d759fe12e92 /libavcodec/motionpixels.c | |
| parent | df727d408c7e4aa7709ca62e3f693b98eac6213c (diff) | |
| download | ffmpeg-05b0337025f629d0a6c6321147f06d0da5e32a62.tar.gz | |
motionpixels/mp_decode_frame_helper: assert that the first pixel doesnt reuse the last.
reusing the last would use uninitialized data, this should be
impossible currently, but better to check by assert.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/motionpixels.c')
| -rw-r--r-- | libavcodec/motionpixels.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c index 471f63f5a5..73667130ac 100644 --- a/libavcodec/motionpixels.c +++ b/libavcodec/motionpixels.c @@ -220,6 +220,8 @@ static void mp_decode_frame_helper(MotionPixelsContext *mp, GetBitContext *gb) YuvPixel p; int y, y0; + av_assert1(mp->changes_map[0]); + for (y = 0; y < mp->avctx->height; ++y) { if (mp->changes_map[y * mp->avctx->width] != 0) { memset(mp->gradient_scale, 1, sizeof(mp->gradient_scale)); |