move audio header parsing in its own function

[ffmpeg] / libavformat / avisynth.c

diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
index 422f775ed7b0f3f9644155e7ffaefdca68fa7301..158cac1fcdc056fd6aff6a7a78ba30c5b747ba61 100644 (file)
--- a/libavformat/avisynth.c
+++ b/libavformat/avisynth.c
@@ -2,18 +2,20 @@
  * AVISynth support for ffmpeg system
  * Copyright (c) 2006 DivX, Inc.
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library 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 this library; 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
  */
 
@@ -154,10 +156,10 @@ static int avisynth_read_packet(AVFormatContext *s, AVPacket *pkt)
   stream = &avs->streams[stream_id];
 
   if (stream->read >= stream->info.dwLength)
-    return AVERROR_IO;
+    return AVERROR(EIO);
 
   if (av_new_packet(pkt, stream->chunck_size))
-    return AVERROR_IO;
+    return AVERROR(EIO);
   pkt->stream_index = stream_id;
   pkt->pts = avs->streams[stream_id].read / avs->streams[stream_id].chunck_samples;