Send metadata change to renderer after decoder is drained

media/base/android/media_decoder_job.h

 // Copyright 2013 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_BASE_ANDROID_MEDIA_DECODER_JOB_H_
 #define MEDIA_BASE_ANDROID_MEDIA_DECODER_JOB_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ skipping 66 matching lines @@
 
   // Flushes the decoder and abandons all the data that is being decoded.
   virtual void Flush();
 
   // Enters prerolling state. The job must not currently be decoding.
   void BeginPrerolling(base::TimeDelta preroll_timestamp);
 
   // Releases all the decoder resources as the current tab is going background.
   virtual void ReleaseDecoderResources();
 
-  // Sets the demuxer configs. Returns true if configs has changed, or false
-  // otherwise.
-  bool SetDemuxerConfigs(const DemuxerConfigs& configs);
+  // Sets the demuxer configs.
+  virtual void SetDemuxerConfigs(const DemuxerConfigs& configs) = 0;
 
   // Returns whether the decoder has finished decoding all the data.
   bool OutputEOSReached() const;
 
   // Returns true if the audio/video stream is available, implemented by child
   // classes.
   virtual bool HasStream() const = 0;
 
   void SetDrmBridge(MediaDrmBridge* drm_bridge);
 
@@ skipping 121 matching lines @@
 
   // Implemented by the child class to create |media_codec_bridge_| for a
   // particular stream. Returns true if it is created, or false otherwise.
   virtual bool CreateMediaCodecBridgeInternal() = 0;
 
   // Returns true if the |configs| doesn't match the current demuxer configs
   // the decoder job has.
   virtual bool AreDemuxerConfigsChanged(
       const DemuxerConfigs& configs) const = 0;
 
-  // Updates the demuxer configs.
-  virtual void UpdateDemuxerConfigs(const DemuxerConfigs& configs) = 0;
-
   // Returns true if |media_codec_bridge_| needs to be reconfigured for the
   // new DemuxerConfigs, or false otherwise.
   virtual bool IsCodecReconfigureNeeded(const DemuxerConfigs& configs) const;
 
+  // Update the output format from the decoder, returns true if the output
+  // format changes, or false otherwise.
+  virtual bool UpdateOutputFormat() { return false; };
+
   // Return the index to |received_data_| that is not currently being decoded.
   size_t inactive_demuxer_data_index() const {
     return 1 - current_demuxer_data_index_;
   }
 
   // The UI message loop where callbacks should be dispatched.
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
 
   // The task runner that decoder job runs on.
   scoped_refptr<base::SingleThreadTaskRunner> decoder_task_runner_;
@@ skipping 90 matching lines @@
   // This access unit is passed to the decoder during config changes to drain
   // the decoder.
   AccessUnit eos_unit_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(MediaDecoderJob);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_DECODER_JOB_H_