[FFmpeg-cvslog] escape130: Check dimensions to be a multiple of the block size.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Dec  8 13:38:13 2011 +0100| [59d3656f6ed8ef9f0d95673de0cc1e44614cb765] | committer: Michael Niedermayer

escape130: Check dimensions to be a multiple of the block size.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=59d3656f6ed8ef9f0d95673de0cc1e44614cb765
---

 libavcodec/escape130.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/libavcodec/escape130.c b/libavcodec/escape130.c
index 1198010..e7ba7bd 100644
--- a/libavcodec/escape130.c
+++ b/libavcodec/escape130.c
@@ -43,6 +43,11 @@ static av_cold int escape130_decode_init(AVCodecContext *avctx)
     Escape130Context *s = avctx->priv_data;
     avctx->pix_fmt = PIX_FMT_YUV420P;
 
+    if((avctx->width&1) || (avctx->height&1)){
+        av_log(avctx, AV_LOG_ERROR, "Dimensions are not a multiple of the block size\n");
+        return AVERROR(EINVAL);
+    }
+
     s->bases= av_malloc(avctx->width * avctx->height /4);
 
     return 0;