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| author | Nicolas George <nicolas.george@normalesup.org> | 2012-08-19 19:10:48 +0200 |
|---|---|---|
| committer | Nicolas George <nicolas.george@normalesup.org> | 2012-08-24 12:12:41 +0200 |
| commit | de60880543761003c3674d5d29e0af348f5eb301 (patch) | |
| tree | a7dd6cbb91971caef1fb164bf11e3808b1c6aa03 /libavcodec/dvdsubenc.c | |
| parent | 12b1512e855a423e2103968bfc0d763678a09ed8 (diff) | |
| download | ffmpeg-de60880543761003c3674d5d29e0af348f5eb301.tar.gz | |
lavc/dvdsubenc: check the type of rectangles.
Avoid a crash if a text rectangle is provided.
Fix the segfault reported in trac ticket #1661.
Diffstat (limited to 'libavcodec/dvdsubenc.c')
| -rw-r--r-- | libavcodec/dvdsubenc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/dvdsubenc.c b/libavcodec/dvdsubenc.c index c87f3369c4..d913708026 100644 --- a/libavcodec/dvdsubenc.c +++ b/libavcodec/dvdsubenc.c @@ -256,6 +256,11 @@ static int encode_dvd_subtitles(AVCodecContext *avctx, if (rects == 0 || h->rects == NULL) return AVERROR(EINVAL); + for (i = 0; i < rects; i++) + if (h->rects[i]->type != SUBTITLE_BITMAP) { + av_log(avctx, AV_LOG_ERROR, "Bitmap subtitle required\n"); + return AVERROR(EINVAL); + } vrect = *h->rects[0]; if (rects > 1) { |