Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / vcr1.c

diff --git a/libavcodec/vcr1.c b/libavcodec/vcr1.c
index 23b06479ae6177877ff8de5ef6a6f7eedcf0035a..2a25982531fe59d3222cfe47e879ba85cc38066a 100644 (file)
--- a/libavcodec/vcr1.c
+++ b/libavcodec/vcr1.c
@@ -2,20 +2,20 @@
  * ATI VCR1 codec
  * Copyright (c) 2003 Michael Niedermayer
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -56,6 +56,11 @@ static int decode_frame(AVCodecContext *avctx,
     if(p->data[0])
         avctx->release_buffer(avctx, p);
 
+    if(buf_size < 16 + avctx->height + avctx->width*avctx->height*5/8){
+        av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n");
+        return AVERROR(EINVAL);
+    }
+
     p->reference= 0;
     if(avctx->get_buffer(avctx, p) < 0){
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
@@ -142,6 +147,7 @@ static av_cold void common_init(AVCodecContext *avctx){
     VCR1Context * const a = avctx->priv_data;
 
     avctx->coded_frame = &a->picture;
+    avcodec_get_frame_defaults(&a->picture);
     a->avctx= avctx;
 }