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-rw-r--r--libavcodec/vcr1.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/libavcodec/vcr1.c b/libavcodec/vcr1.c
index df5088c..2a4a090 100644
--- 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
*/
@@ -39,6 +39,7 @@ static av_cold int vcr1_common_init(AVCodecContext *avctx)
VCR1Context *const a = avctx->priv_data;
avctx->coded_frame = &a->picture;
+ avcodec_get_frame_defaults(&a->picture);
return 0;
}
@@ -76,6 +77,11 @@ static int vcr1_decode_frame(AVCodecContext *avctx, void *data,
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");
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