dom/media/AudioDeviceInfo.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef MOZILLA_AudioDeviceInfo_H
   7 #define MOZILLA_AudioDeviceInfo_H
   8
   9 #include "nsIAudioDeviceInfo.h"
  10 #include "CubebUtils.h"
  11 #include "mozilla/Maybe.h"
  12
  13 // This is mapped to the cubeb_device_info.
  14 class AudioDeviceInfo final : public nsIAudioDeviceInfo {
  15  public:
  16   NS_DECL_THREADSAFE_ISUPPORTS
  17   NS_DECL_NSIAUDIODEVICEINFO
  18
  19   using AudioDeviceID = mozilla::CubebUtils::AudioDeviceID;
  20
  21   AudioDeviceInfo(const AudioDeviceID aID, const nsAString& aName,
  22                   const nsAString& aGroupId, const nsAString& aVendor,
  23                   uint16_t aType, uint16_t aState, uint16_t aPreferred,
  24                   uint16_t aSupportedFormat, uint16_t aDefaultFormat,
  25                   uint32_t aMaxChannels, uint32_t aDefaultRate,
  26                   uint32_t aMaxRate, uint32_t aMinRate, uint32_t aMaxLatency,
  27                   uint32_t aMinLatency);
  28   explicit AudioDeviceInfo(cubeb_device_info* aInfo);
  29
  30   AudioDeviceID DeviceID() const;
  31   const nsString& Name() const;
  32   uint32_t DefaultRate() const { return mDefaultRate; }
  33   uint32_t MaxChannels() const;
  34   uint32_t Type() const;
  35   uint32_t State() const;
  36   const nsString& GroupID() const;
  37   bool Preferred() const;
  38
  39  private:
  40   virtual ~AudioDeviceInfo() = default;
  41
  42   const AudioDeviceID mDeviceId;
  43   const nsString mName;
  44   const nsString mGroupId;
  45   const nsString mVendor;
  46   const uint16_t mType;
  47   const uint16_t mState;
  48   const uint16_t mPreferred;
  49   const uint16_t mSupportedFormat;
  50   const uint16_t mDefaultFormat;
  51   const uint32_t mMaxChannels;
  52   const uint32_t mDefaultRate;
  53   const uint32_t mMaxRate;
  54   const uint32_t mMinRate;
  55   const uint32_t mMaxLatency;
  56   const uint32_t mMinLatency;
  57 };
  58
  59 #endif  // MOZILLA_AudioDeviceInfo_H