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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-10-08 23:36:35 +0000 |
|---|---|---|
| committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2010-10-08 23:36:35 +0000 |
| commit | 74d127b537d18cc9a2bf2b556900705f7b2af2be (patch) | |
| tree | 98b42c9c1db9c6f0dd2f69c066024f214cb239a2 | |
| parent | fd0368e7ca35e2feaf7960564e61a76655c4d1f6 (diff) | |
| download | ffmpeg-74d127b537d18cc9a2bf2b556900705f7b2af2be.tar.gz | |
Add validity checks for the unsharp filter.
Prevent crash.
Originally committed as revision 25419 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavfilter/vf_unsharp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c index fa6227589f..e7bf95333d 100644 --- a/libavfilter/vf_unsharp.c +++ b/libavfilter/vf_unsharp.c @@ -133,6 +133,13 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque) sscanf(args, "%d:%d:%lf:%d:%d:%lf", &lmsize_x, &lmsize_y, &lamount, &cmsize_x, &cmsize_y, &camount); + if (lmsize_x < 2 || lmsize_y < 2 || cmsize_x < 2 || cmsize_y < 2) { + av_log(ctx, AV_LOG_ERROR, + "Invalid value <2 for lmsize_x:%d or lmsize_y:%d or cmsize_x:%d or cmsize_y:%d\n", + lmsize_x, lmsize_y, cmsize_x, cmsize_y); + return AVERROR(EINVAL); + } + set_filter_param(&unsharp->luma, lmsize_x, lmsize_y, lamount); set_filter_param(&unsharp->chroma, cmsize_x, cmsize_y, camount); |