Stylizing AudioConferenceMixer.

webrtc/modules/audio_conference_mixer/interface/audio_conference_mixer_defines.h

Index: webrtc/modules/audio_conference_mixer/interface/audio_conference_mixer_defines.h
diff --git a/webrtc/modules/audio_conference_mixer/interface/audio_conference_mixer_defines.h b/webrtc/modules/audio_conference_mixer/interface/audio_conference_mixer_defines.h
index 784f63a6612d4f571a02b066dab7af2cd62d7701..904ae22110faef9a83567d03f9510541bb7b9e7b 100644
--- a/webrtc/modules/audio_conference_mixer/interface/audio_conference_mixer_defines.h
+++ b/webrtc/modules/audio_conference_mixer/interface/audio_conference_mixer_defines.h
@@ -25,14 +25,15 @@ public:
     // audio every time it's called.
     //
     // If it returns -1, the frame will not be added to the mix.
-    virtual int32_t GetAudioFrame(const int32_t id, AudioFrame& audioFrame) = 0;
+    virtual int32_t GetAudioFrame(int32_t id,
+                                  AudioFrame* audioFrame) = 0;
 
     // mixed will be set to true if the participant was mixed this mix iteration
-    int32_t IsMixed(bool& mixed) const;
+    int32_t IsMixed(bool* mixed) const;

[Andrew MacDonald, 2015/08/26 15:56:01]

Return bool?

[minyue-webrtc, 2015/08/27 11:31:15]

good idea

 
     // This function specifies the sampling frequency needed for the AudioFrame
     // for future GetAudioFrame(..) calls.
-    virtual int32_t NeededFrequency(const int32_t id) = 0;
+    virtual int32_t NeededFrequency(int32_t id) const = 0;
 
     MixHistory* _mixHistory;
 protected: