1 files changed, 8 insertions, 11 deletions

diff --git a/libavcodec/asv1.c b/libavcodec/asv1.c
index 6c8bed3..702a59e 100644
--- a/libavcodec/asv1.c
+++ b/libavcodec/asv1.c
@@ -2,20 +2,20 @@
  * ASUS V1/V2 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
  */
 
@@ -25,6 +25,7 @@
  */
 
 #include "avcodec.h"
+#include "internal.h"
 #include "libavutil/common.h"
 #include "put_bits.h"
 #include "dsputil.h"
@@ -471,12 +472,9 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     int size, ret;
     int mb_x, mb_y;
 
-    if (!pkt->data &&
-        (ret = av_new_packet(pkt, a->mb_height*a->mb_width*MAX_MB_SIZE +
-                                  FF_MIN_BUFFER_SIZE)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+    if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height*a->mb_width*MAX_MB_SIZE +
+                                  FF_MIN_BUFFER_SIZE)) < 0)
         return ret;
-    }
 
     init_put_bits(&a->pb, pkt->data, pkt->size);
 
@@ -555,8 +553,7 @@ static av_cold int decode_init(AVCodecContext *avctx){
     ff_init_scantable(a->dsp.idct_permutation, &a->scantable, scantab);
     avctx->pix_fmt= PIX_FMT_YUV420P;
 
-    a->inv_qscale= avctx->extradata[0];
-    if(a->inv_qscale == 0){
+    if(avctx->extradata_size < 1 || (a->inv_qscale= avctx->extradata[0]) == 0){
         av_log(avctx, AV_LOG_ERROR, "illegal qscale 0\n");
         if(avctx->codec_id == CODEC_ID_ASV1)
             a->inv_qscale= 6;