Remove VoEExternalMedia interface.

webrtc/voice_engine/include/voe_external_media.h

-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-#ifndef WEBRTC_VOICE_ENGINE_VOE_EXTERNAL_MEDIA_H
-#define WEBRTC_VOICE_ENGINE_VOE_EXTERNAL_MEDIA_H
-
-#include "webrtc/common_types.h"
-
-namespace webrtc {
-
-class VoiceEngine;
-class AudioFrame;
-
-class WEBRTC_DLLEXPORT VoEMediaProcess {
- public:
-  // The VoiceEngine user should override the Process() method in a
-  // derived class. Process() will be called when audio is ready to
-  // be processed. The audio can be accessed in several different modes
-  // given by the |type| parameter. The function should modify the
-  // original data and ensure that it is copied back to the |audio10ms|
-  // array. The number of samples in the frame cannot be changed.
-  // The sampling frequency will depend upon the codec used.
-  // If |isStereo| is true, audio10ms will contain 16-bit PCM data
-  // samples in interleaved stereo format (L0,R0,L1,R1,...).
-  virtual void Process(int channel,
-                       ProcessingTypes type,
-                       int16_t audio10ms[],
-                       size_t length,
-                       int samplingFreq,
-                       bool isStereo) = 0;
-
- protected:
-  virtual ~VoEMediaProcess() {}
-};
-
-class WEBRTC_DLLEXPORT VoEExternalMedia {
- public:
-  // Factory for the VoEExternalMedia sub-API. Increases an internal
-  // reference counter if successful. Returns NULL if the API is not
-  // supported or if construction fails.
-  static VoEExternalMedia* GetInterface(VoiceEngine* voiceEngine);
-
-  // Releases the VoEExternalMedia sub-API and decreases an internal
-  // reference counter. Returns the new reference count. This value should
-  // be zero for all sub-API:s before the VoiceEngine object can be safely
-  // deleted.
-  virtual int Release() = 0;
-
-  // Installs a VoEMediaProcess derived instance and activates external
-  // media for the specified |channel| and |type|.
-  virtual int RegisterExternalMediaProcessing(
-      int channel,
-      ProcessingTypes type,
-      VoEMediaProcess& processObject) = 0;
-
-  // Removes the VoEMediaProcess derived instance and deactivates external
-  // media for the specified |channel| and |type|.
-  virtual int DeRegisterExternalMediaProcessing(int channel,
-                                                ProcessingTypes type) = 0;
-
-  // Pulls an audio frame from the specified |channel| for external mixing.
-  // If the |desired_sample_rate_hz| is 0, the signal will be returned with
-  // its native frequency, otherwise it will be resampled. Valid frequencies
-  // are 16, 22, 32, 44 or 48 kHz.
-  virtual int GetAudioFrame(int channel,
-                            int desired_sample_rate_hz,
-                            AudioFrame* frame) = 0;
-
-  // Sets the state of external mixing. Cannot be changed during playback.
-  virtual int SetExternalMixing(int channel, bool enable) = 0;
-
- protected:
-  VoEExternalMedia() {}
-  virtual ~VoEExternalMedia() {}
-};
-
-}  // namespace webrtc
-
-#endif  //  WEBRTC_VOICE_ENGINE_VOE_EXTERNAL_MEDIA_H