media/audio/openbsd/audio_manager_openbsd.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_AUDIO_OPENBSD_AUDIO_MANAGER_OPENBSD_H_
   6 #define MEDIA_AUDIO_OPENBSD_AUDIO_MANAGER_OPENBSD_H_
   7
   8 #include <set>
   9
  10 #include "base/compiler_specific.h"
  11 #include "media/audio/audio_manager_base.h"
  12
  13 namespace media {
  14
  15 class MEDIA_EXPORT AudioManagerOpenBSD : public AudioManagerBase {
  16  public:
  17   AudioManagerOpenBSD(AudioLogFactory* audio_log_factory);
  18
  19   // Implementation of AudioManager.
  20   bool HasAudioOutputDevices() override;
  21   bool HasAudioInputDevices() override;
  22   AudioParameters GetInputStreamParameters(
  23       const std::string& device_id) override;
  24
  25   // Implementation of AudioManagerBase.
  26   AudioOutputStream* MakeLinearOutputStream(
  27       const AudioParameters& params) override;
  28   AudioOutputStream* MakeLowLatencyOutputStream(
  29       const AudioParameters& params,
  30       const std::string& device_id) override;
  31   AudioInputStream* MakeLinearInputStream(
  32       const AudioParameters& params, const std::string& device_id) override;
  33   AudioInputStream* MakeLowLatencyInputStream(
  34       const AudioParameters& params, const std::string& device_id) override;
  35
  36  protected:
  37   ~AudioManagerOpenBSD() override;
  38
  39   AudioParameters GetPreferredOutputStreamParameters(
  40       const std::string& output_device_id,
  41       const AudioParameters& input_params) override;
  42
  43  private:
  44   // Called by MakeLinearOutputStream and MakeLowLatencyOutputStream.
  45   AudioOutputStream* MakeOutputStream(const AudioParameters& params);
  46
  47   // Flag to indicate whether the pulse library has been initialized or not.
  48   bool pulse_library_is_initialized_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(AudioManagerOpenBSD);
  51 };
  52
  53 }  // namespace media
  54
  55 #endif  // MEDIA_AUDIO_OPENBSD_AUDIO_MANAGER_OPENBSD_H_