Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavformat / westwood_vqa.c

diff --git a/libavformat/westwood_vqa.c b/libavformat/westwood_vqa.c
index c4e19a99810c1a238b34cd18d6ca49ca597ea8b2..47493382c44efae91dcee606eaa09018b8be68f5 100644 (file)
--- a/libavformat/westwood_vqa.c
+++ b/libavformat/westwood_vqa.c
@@ -2,20 +2,20 @@
  * Westwood Studios VQA Format Demuxer
  * Copyright (c) 2003 The ffmpeg Project
  *
- * 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
  */
 
@@ -166,10 +166,8 @@ static int wsvqa_read_header(AVFormatContext *s)
     /* there are 0 or more chunks before the FINF chunk; iterate until
      * FINF has been skipped and the file will be ready to be demuxed */
     do {
-        if (avio_read(pb, scratch, VQA_PREAMBLE_SIZE) != VQA_PREAMBLE_SIZE) {
-            av_free(st->codec->extradata);
+        if (avio_read(pb, scratch, VQA_PREAMBLE_SIZE) != VQA_PREAMBLE_SIZE)
             return AVERROR(EIO);
-        }
         chunk_tag = AV_RB32(&scratch[0]);
         chunk_size = AV_RB32(&scratch[4]);
 
@@ -212,6 +210,7 @@ static int wsvqa_read_packet(AVFormatContext *s,
     while (avio_read(pb, preamble, VQA_PREAMBLE_SIZE) == VQA_PREAMBLE_SIZE) {
         chunk_type = AV_RB32(&preamble[0]);
         chunk_size = AV_RB32(&preamble[4]);
+
         skip_byte = chunk_size & 0x01;
 
         if ((chunk_type == SND2_TAG || chunk_type == SND1_TAG) && wsvqa->audio_channels == 0) {
@@ -221,13 +220,9 @@ static int wsvqa_read_packet(AVFormatContext *s,
 
         if ((chunk_type == SND1_TAG) || (chunk_type == SND2_TAG) || (chunk_type == VQFR_TAG)) {
 
-            if (av_new_packet(pkt, chunk_size))
+            ret= av_get_packet(pb, pkt, chunk_size);
+            if (ret<0)
                 return AVERROR(EIO);
-            ret = avio_read(pb, pkt->data, chunk_size);
-            if (ret != chunk_size) {
-                av_free_packet(pkt);
-                return AVERROR(EIO);
-            }
 
             if (chunk_type == SND2_TAG) {
                 pkt->stream_index = wsvqa->audio_stream_index;