Support multiple files for AEC dump.

content/renderer/media/media_stream_audio_processor.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 CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_PROCESSOR_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_PROCESSOR_H_
 
 #include "base/atomicops.h"
 #include "base/files/file.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "content/common/content_export.h"
+#include "content/renderer/media/aec_dump_message_filter.h"
 #include "content/renderer/media/webrtc_audio_device_impl.h"
 #include "media/base/audio_converter.h"
 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
 #include "third_party/webrtc/modules/audio_processing/include/audio_processing.h"
 #include "third_party/webrtc/modules/interface/module_common_types.h"
 
 namespace blink {
 class WebMediaConstraints;
 }
 
@@ skipping 13 matching lines @@
 class RTCMediaConstraints;
 
 using webrtc::AudioProcessorInterface;
 
 // This class owns an object of webrtc::AudioProcessing which contains signal
 // processing components like AGC, AEC and NS. It enables the components based
 // on the getUserMedia constraints, processes the data and outputs it in a unit
 // of 10 ms data chunk.
 class CONTENT_EXPORT MediaStreamAudioProcessor :
     NON_EXPORTED_BASE(public WebRtcPlayoutDataSource::Sink),
-    NON_EXPORTED_BASE(public AudioProcessorInterface) {
+    NON_EXPORTED_BASE(public AudioProcessorInterface),
+    NON_EXPORTED_BASE(public AecDumpMessageFilter::AecDumpDelegate) {
  public:
   // Returns false if |kDisableAudioTrackProcessing| is set to true, otherwise
   // returns true.
   static bool IsAudioTrackProcessingEnabled();
 
   // |playout_data_source| is used to register this class as a sink to the
   // WebRtc playout data for processing AEC. If clients do not enable AEC,
   // |playout_data_source| won't be used.
   MediaStreamAudioProcessor(const blink::WebMediaConstraints& constraints,
                             int effects,
@@ skipping 31 matching lines @@
 
   // The audio format of the input to the processor.
   const media::AudioParameters& InputFormat() const;
 
   // The audio format of the output from the processor.
   const media::AudioParameters& OutputFormat() const;
 
   // Accessor to check if the audio processing is enabled or not.
   bool has_audio_processing() const { return audio_processing_ != NULL; }
 
-  // Starts/Stops the Aec dump on the |audio_processing_|.
+  // AecDumpMessageFilter::AecDumpDelegate implementation.
   // Called on the main render thread.
-  // This method takes the ownership of |aec_dump_file|.
-  void StartAecDump(base::File aec_dump_file);
-  void StopAecDump();
+  virtual void OnAecDumpFile(
+      const IPC::PlatformFileForTransit& file_handle) OVERRIDE;
+  virtual void OnDisableAecDump() OVERRIDE;
+  virtual void OnIpcClosing() OVERRIDE;
 
  protected:
   friend class base::RefCountedThreadSafe<MediaStreamAudioProcessor>;
   virtual ~MediaStreamAudioProcessor();
 
  private:
   friend class MediaStreamAudioProcessorTest;
 
   class MediaStreamAudioConverter;
 
@@ skipping 70 matching lines @@
   // Flag to enable the stereo channels mirroring.
   bool audio_mirroring_;
 
   // Used by the typing detection.
   scoped_ptr<webrtc::TypingDetection> typing_detector_;
 
   // This flag is used to show the result of typing detection.
   // It can be accessed by the capture audio thread and by the libjingle thread
   // which calls GetStats().
   base::subtle::Atomic32 typing_detected_;
+
+  // Communication with browser for AEC dump.
+  scoped_refptr<AecDumpMessageFilter> aec_dump_message_filter_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_PROCESSOR_H_