ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Dec 24 21:46:15 2015 +0100| [b83d8be6bff7d645469a623aee0b380541da15cf] | committer: Michael Niedermayer
swscale/utils: Fix intermediate format for cascaded alpha downscaling Fixes Ticket4926 Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b83d8be6bff7d645469a623aee0b380541da15cf --- libswscale/utils.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libswscale/utils.c b/libswscale/utils.c index db937b1..e5593af 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -1803,6 +1803,9 @@ fail: // FIXME replace things by appropriate error codes int tmpH = sqrt(srcH * (int64_t)dstH); enum AVPixelFormat tmpFormat = AV_PIX_FMT_YUV420P; + if (isALPHA(srcFormat)) + tmpFormat = AV_PIX_FMT_YUVA420P; + if (srcW*(int64_t)srcH <= 4LL*dstW*dstH) return AVERROR(EINVAL); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
