9162080527
BUG=163 R=andrew@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1902004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4472 4adac7df-926f-26a2-2b94-8c16560cd09d
80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_GAIN_CONTROL_IMPL_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_GAIN_CONTROL_IMPL_H_
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#include <vector>
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#include "webrtc/modules/audio_processing/include/audio_processing.h"
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#include "webrtc/modules/audio_processing/processing_component.h"
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namespace webrtc {
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class AudioProcessingImpl;
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class AudioBuffer;
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class GainControlImpl : public GainControl,
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public ProcessingComponent {
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public:
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explicit GainControlImpl(const AudioProcessingImpl* apm);
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virtual ~GainControlImpl();
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int ProcessRenderAudio(AudioBuffer* audio);
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int AnalyzeCaptureAudio(AudioBuffer* audio);
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int ProcessCaptureAudio(AudioBuffer* audio);
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// ProcessingComponent implementation.
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virtual int Initialize() OVERRIDE;
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// GainControl implementation.
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virtual bool is_enabled() const OVERRIDE;
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virtual int stream_analog_level() OVERRIDE;
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private:
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// GainControl implementation.
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virtual int Enable(bool enable) OVERRIDE;
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virtual int set_stream_analog_level(int level) OVERRIDE;
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virtual int set_mode(Mode mode) OVERRIDE;
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virtual Mode mode() const OVERRIDE;
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virtual int set_target_level_dbfs(int level) OVERRIDE;
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virtual int target_level_dbfs() const OVERRIDE;
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virtual int set_compression_gain_db(int gain) OVERRIDE;
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virtual int compression_gain_db() const OVERRIDE;
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virtual int enable_limiter(bool enable) OVERRIDE;
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virtual bool is_limiter_enabled() const OVERRIDE;
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virtual int set_analog_level_limits(int minimum, int maximum) OVERRIDE;
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virtual int analog_level_minimum() const OVERRIDE;
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virtual int analog_level_maximum() const OVERRIDE;
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virtual bool stream_is_saturated() const OVERRIDE;
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// ProcessingComponent implementation.
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virtual void* CreateHandle() const OVERRIDE;
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virtual int InitializeHandle(void* handle) const OVERRIDE;
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virtual int ConfigureHandle(void* handle) const OVERRIDE;
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virtual int DestroyHandle(void* handle) const OVERRIDE;
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virtual int num_handles_required() const OVERRIDE;
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virtual int GetHandleError(void* handle) const OVERRIDE;
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const AudioProcessingImpl* apm_;
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Mode mode_;
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int minimum_capture_level_;
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int maximum_capture_level_;
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bool limiter_enabled_;
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int target_level_dbfs_;
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int compression_gain_db_;
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std::vector<int> capture_levels_;
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int analog_capture_level_;
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bool was_analog_level_set_;
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bool stream_is_saturated_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_GAIN_CONTROL_IMPL_H_
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