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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-23 21:56:42 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-23 22:03:32 +0100 |
| commit | 71c2a70cbfbb5fea6dffa5e462b0227565e29bcc (patch) | |
| tree | 7d9f75183f6e526d3ec0eac74bd88817a23c280b /libavcodec/error_resilience.c | |
| parent | e2d110d8d21469987b6e5866398ef01654560c3b (diff) | |
| download | ffmpeg-71c2a70cbfbb5fea6dffa5e462b0227565e29bcc.tar.gz | |
error_concealment: Prevent FPEs in case of corrupted input.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/error_resilience.c')
| -rw-r--r-- | libavcodec/error_resilience.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c index cd6aa01803..c93cea58dc 100644 --- a/libavcodec/error_resilience.c +++ b/libavcodec/error_resilience.c @@ -248,7 +248,7 @@ static void guess_dc(MpegEncContext *s, int16_t *dc, int w, weight_sum = 0; guess = 0; for (j = 0; j < 4; j++) { - int64_t weight = 256 * 256 * 256 * 16 / dist[b_x + b_y*stride][j]; + int64_t weight = 256 * 256 * 256 * 16 / FFMAX(dist[b_x + b_y*stride][j], 1); guess += weight*(int64_t)col[b_x + b_y*stride][j]; weight_sum += weight; } |