/*
 *  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_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_AUDIO_PROCESSING_IMPL_H_
#define WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_AUDIO_PROCESSING_IMPL_H_

#include <list>

#include "audio_processing.h"

namespace webrtc {
class CriticalSectionWrapper;
class FileWrapper;

class AudioBuffer;
class EchoCancellationImpl;
class EchoControlMobileImpl;
class GainControlImpl;
class HighPassFilterImpl;
class LevelEstimatorImpl;
class NoiseSuppressionImpl;
class ProcessingComponent;
class VoiceDetectionImpl;

class AudioProcessingImpl : public AudioProcessing {
 public:
  enum {
    kSampleRate8kHz = 8000,
    kSampleRate16kHz = 16000,
    kSampleRate32kHz = 32000
  };

  explicit AudioProcessingImpl(int id);
  virtual ~AudioProcessingImpl();

  CriticalSectionWrapper* crit() const;

  int split_sample_rate_hz() const;
  bool was_stream_delay_set() const;

  // AudioProcessing methods.
  virtual int Initialize();
  virtual int InitializeLocked();
  virtual int set_sample_rate_hz(int rate);
  virtual int sample_rate_hz() const;
  virtual int set_num_channels(int input_channels, int output_channels);
  virtual int num_input_channels() const;
  virtual int num_output_channels() const;
  virtual int set_num_reverse_channels(int channels);
  virtual int num_reverse_channels() const;
  virtual int ProcessStream(AudioFrame* frame);
  virtual int AnalyzeReverseStream(AudioFrame* frame);
  virtual int set_stream_delay_ms(int delay);
  virtual int stream_delay_ms() const;
  virtual int StartDebugRecording(const char filename[kMaxFilenameSize]);
  virtual int StopDebugRecording();
  virtual EchoCancellation* echo_cancellation() const;
  virtual EchoControlMobile* echo_control_mobile() const;
  virtual GainControl* gain_control() const;
  virtual HighPassFilter* high_pass_filter() const;
  virtual LevelEstimator* level_estimator() const;
  virtual NoiseSuppression* noise_suppression() const;
  virtual VoiceDetection* voice_detection() const;

  // Module methods.
  virtual WebRtc_Word32 Version(WebRtc_Word8* version,
                              WebRtc_UWord32& remainingBufferInBytes,
                              WebRtc_UWord32& position) const;
  virtual WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);

 private:
  int id_;

  EchoCancellationImpl* echo_cancellation_;
  EchoControlMobileImpl* echo_control_mobile_;
  GainControlImpl* gain_control_;
  HighPassFilterImpl* high_pass_filter_;
  LevelEstimatorImpl* level_estimator_;
  NoiseSuppressionImpl* noise_suppression_;
  VoiceDetectionImpl* voice_detection_;

  std::list<ProcessingComponent*> component_list_;

  FileWrapper* debug_file_;
  CriticalSectionWrapper* crit_;

  AudioBuffer* render_audio_;
  AudioBuffer* capture_audio_;

  int sample_rate_hz_;
  int split_sample_rate_hz_;
  int samples_per_channel_;
  int stream_delay_ms_;
  bool was_stream_delay_set_;

  int num_render_input_channels_;
  int num_capture_input_channels_;
  int num_capture_output_channels_;
};
}  // namespace webrtc

#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_AUDIO_PROCESSING_IMPL_H_