ffmpeg | branch: master | Limin Wang <lance.lmw...@gmail.com> | Sun May 8 22:52:14 2022 +0800| [94968dbc1116e23cb658c09538e9bce52b63d654] | committer: Limin Wang
avcodec/dvdsubenc: return error if canvas_size is too small for subtitle render Signed-off-by: Limin Wang <lance.lmw...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=94968dbc1116e23cb658c09538e9bce52b63d654 --- libavcodec/dvdsubenc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/dvdsubenc.c b/libavcodec/dvdsubenc.c index fc3b7d1816..d29db7d49c 100644 --- a/libavcodec/dvdsubenc.c +++ b/libavcodec/dvdsubenc.c @@ -376,6 +376,12 @@ static int encode_dvd_subtitles(AVCodecContext *avctx, x2 = vrect.x + vrect.w - 1; y2 = vrect.y + vrect.h - 1; + if (x2 > avctx->width || y2 > avctx->height) { + av_log(avctx, AV_LOG_ERROR, "canvas_size(%d:%d) is too small(%d:%d) for render\n", + avctx->width, avctx->height, x2, y2); + ret = AVERROR(EINVAL);; + goto fail; + } *q++ = 0x05; // x1 x2 -> 6 nibbles *q++ = vrect.x >> 4; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
