From 1bb565360cd9cb904bb22d0c367f226b3b417d3e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 17 Dec 2011 23:08:46 +0100 Subject: [PATCH] msvideo1enc: Check that dimensions are a multiple of 4. Fixes Ticket784 Found by: ami_stuff Signed-off-by: Michael Niedermayer (cherry picked from commit e09ffa45243e8615f3f9874c2d59abf6edde7084) Signed-off-by: Michael Niedermayer --- libavcodec/msvideo1enc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/msvideo1enc.c b/libavcodec/msvideo1enc.c index 837fca5ea4..09cc7a196d 100644 --- a/libavcodec/msvideo1enc.c +++ b/libavcodec/msvideo1enc.c @@ -261,6 +261,10 @@ static av_cold int encode_init(AVCodecContext *avctx) if (av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0) { return -1; } + if((avctx->width&3) || (avctx->height&3)){ + av_log(avctx, AV_LOG_ERROR, "width and height must be multiplies of 4\n"); + return -1; + } avcodec_get_frame_defaults(&c->pic); avctx->coded_frame = (AVFrame*)&c->pic;