xbmc/cores/AudioEngine/Sinks/AESinkDirectSound.h

   1 /*
   2  *  Copyright (C) 2010-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "cores/AudioEngine/Interfaces/AESink.h"
  12 #include "cores/AudioEngine/Utils/AEDeviceInfo.h"
  13 #include "threads/CriticalSection.h"
  14
  15 #include <stdint.h>
  16
  17 #include <mmsystem.h> /* Microsoft can't write standalone headers */
  18 #include <DSound.h> /* Microsoft can't write standalone headers */
  19 #include <wrl/client.h>
  20
  21 class CAESinkDirectSound : public IAESink
  22 {
  23 public:
  24   virtual const char *GetName() { return "DIRECTSOUND"; }
  25
  26   CAESinkDirectSound();
  27   virtual ~CAESinkDirectSound();
  28
  29   static void Register();
  30   static std::unique_ptr<IAESink> Create(std::string& device, AEAudioFormat& desiredFormat);
  31
  32   virtual bool Initialize(AEAudioFormat &format, std::string &device);
  33   virtual void Deinitialize();
  34
  35   virtual void Stop();
  36   virtual void Drain();
  37   virtual void GetDelay(AEDelayStatus& status);
  38   virtual double GetCacheTotal();
  39   virtual unsigned int AddPackets(uint8_t **data, unsigned int frames, unsigned int offset);
  40
  41   static void EnumerateDevicesEx (AEDeviceInfoList &deviceInfoList, bool force = false);
  42 private:
  43   void AEChannelsFromSpeakerMask(DWORD speakers);
  44   DWORD SpeakerMaskFromAEChannels(const CAEChannelInfo& channels);
  45   void CheckPlayStatus();
  46   bool UpdateCacheStatus();
  47   unsigned int GetSpace();
  48
  49   Microsoft::WRL::ComPtr<IDirectSoundBuffer> m_pBuffer;
  50   Microsoft::WRL::ComPtr<IDirectSound> m_pDSound;
  51
  52   AEAudioFormat       m_format;
  53   enum AEDataFormat   m_encodedFormat;
  54   CAEChannelInfo      m_channelLayout;
  55   std::string         m_device;
  56
  57   unsigned int        m_AvgBytesPerSec;
  58
  59   unsigned int        m_dwChunkSize;
  60   unsigned int        m_dwFrameSize;
  61   unsigned int        m_dwBufferLen;
  62
  63   unsigned int        m_BufferOffset;
  64   unsigned int        m_CacheLen;
  65   unsigned int        m_BufferTimeouts;
  66
  67   bool                m_running;
  68   bool                m_initialized;
  69   bool                m_isDirtyDS;
  70   CCriticalSection    m_runLock;
  71 };