Set |config_| only after decoder has been successfully configured

media/filters/ffmpeg_video_decoder.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_
 #define MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_
 
 #include <list>
 #include <memory>
 
@@ skipping 50 matching lines @@
     kDecodeFinished,
     kError
   };
 
   // Handles decoding an unencrypted encoded buffer.
   bool FFmpegDecode(const scoped_refptr<DecoderBuffer>& buffer,
                     bool* has_produced_frame);
 
   // Handles (re-)initializing the decoder with a (new) config.
   // Returns true if initialization was successful.
-  bool ConfigureDecoder(bool low_delay);
+  bool ConfigureDecoder(const VideoDecoderConfig& config, bool low_delay);
 
   // Releases resources associated with |codec_context_| and |av_frame_|
   // and resets them to NULL.
   void ReleaseFFmpegResources();
 
   base::ThreadChecker thread_checker_;
   MediaLog* media_log_;
 
   DecoderState state_;
 
   OutputCB output_cb_;
 
   // FFmpeg structures owned by this object.
   std::unique_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_;
   std::unique_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_;
 
   VideoDecoderConfig config_;
 
   VideoFramePool frame_pool_;
 
   bool decode_nalus_;
 
   DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_FFMPEG_VIDEO_DECODER_H_