[FFmpeg-cvslog] avsdec: Set dimensions instead of relying on the demuxer.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Apr 20 17:42:18 2012 +0200| [1df49142bab1b7bccd11392aa9e819e297d21a6e] | committer: Michael Niedermayer

avsdec: Set dimensions instead of relying on the demuxer.

This fixes out of array writes.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1df49142bab1b7bccd11392aa9e819e297d21a6e
---

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

diff --git a/libavcodec/avs.c b/libavcodec/avs.c
index 17d4e10..801e1bc 100644
--- a/libavcodec/avs.c
+++ b/libavcodec/avs.c
@@ -162,6 +162,7 @@ static av_cold int avs_decode_init(AVCodecContext * avctx)
     AvsContext *const avs = avctx->priv_data;
     avctx->pix_fmt = PIX_FMT_PAL8;
     avcodec_get_frame_defaults(&avs->picture);
+    avcodec_set_dimensions(avctx, 318, 198);
     return 0;
 }