Fix crash in AudioFileReader::Read() by checking for properly initialized AVCodec

media/filters/audio_file_reader.cc

Index: media/filters/audio_file_reader.cc
===================================================================
--- media/filters/audio_file_reader.cc	(revision 98708)
+++ media/filters/audio_file_reader.cc	(working copy)
@@ -91,6 +91,10 @@
     }
 
     result = av_seek_frame(format_context_, 0, 0, 0);
+  } else {
+      DLOG(WARNING) << "AudioFileReader::Open() : could not find codec -"

[scherkus (not reviewing), 2011/08/30 20:25:33]

the indentation is wrong here -- could you TBR a patch fixing this?

+          << " result: " << result;
+      return false;
   }
 
   return true;
@@ -116,8 +120,8 @@
   if (audio_data.size() != channels)
     return false;
 
-  DCHECK(format_context_ && codec_context_);
-  if (!format_context_ || !codec_context_) {
+  DCHECK(format_context_ && codec_context_ && codec_);
+  if (!format_context_ || !codec_context_ || !codec_) {
     DLOG(WARNING) << "AudioFileReader::Read() : reader is not opened!";
     return false;
   }