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libtgvoip/os/windows/AudioOutputWASAPI.h
2017-05-11 06:21:04 +03:00

103 lines
3.4 KiB
C++

//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_AUDIOOUTPUTWASAPI_H
#define LIBTGVOIP_AUDIOOUTPUTWASAPI_H
#if WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP
#define TGVOIP_WINDOWS_PHONE
#endif
#if !defined(WINAPI_FAMILY) || WINAPI_FAMILY==WINAPI_FAMILY_DESKTOP_APP
#define TGVOIP_WINDOWS_DESKTOP
#endif
#include <windows.h>
#include <string>
#include <vector>
#pragma warning(push)
#pragma warning(disable : 4201)
#include <mmdeviceapi.h>
#ifdef TGVOIP_WINDOWS_DESKTOP
#include <audiopolicy.h>
#include <functiondiscoverykeys.h>
#else
#include <audioclient.h>
#include "WindowsSandboxUtils.h"
#endif
#pragma warning(pop)
#include "../../audio/AudioOutput.h"
namespace tgvoip{
namespace audio{
#ifdef TGVOIP_WINDOWS_DESKTOP
class AudioOutputWASAPI : public AudioOutput, IMMNotificationClient, IAudioSessionEvents{
#else
class AudioOutputWASAPI : public AudioOutput{
#endif
public:
AudioOutputWASAPI(std::string deviceID);
virtual ~AudioOutputWASAPI();
virtual void Configure(uint32_t sampleRate, uint32_t bitsPerSample, uint32_t channels);
virtual void Start();
virtual void Stop();
virtual bool IsPlaying();
virtual void SetCurrentDevice(std::string deviceID);
static void EnumerateDevices(std::vector<AudioOutputDevice>& devs);
#ifdef TGVOIP_WINDOWS_DESKTOP
STDMETHOD_(ULONG, AddRef)();
STDMETHOD_(ULONG, Release)();
#endif
private:
void ActuallySetCurrentDevice(std::string deviceID);
static DWORD StartThread(void* arg);
void RunThread();
WAVEFORMATEX format;
bool isPlaying;
HANDLE shutdownEvent;
HANDLE audioSamplesReadyEvent;
HANDLE streamSwitchEvent;
HANDLE thread;
IAudioClient* audioClient;
IAudioRenderClient* renderClient;
#ifdef TGVOIP_WINDOWS_DESKTOP
IMMDeviceEnumerator* enumerator;
IAudioSessionControl* audioSessionControl;
IMMDevice* device;
#endif
unsigned char remainingData[10240];
size_t remainingDataLen;
bool isDefaultDevice;
ULONG refCount;
std::string streamChangeToDevice;
#ifdef TGVOIP_WINDOWS_DESKTOP
STDMETHOD(OnDisplayNameChanged) (LPCWSTR /*NewDisplayName*/, LPCGUID /*EventContext*/) { return S_OK; };
STDMETHOD(OnIconPathChanged) (LPCWSTR /*NewIconPath*/, LPCGUID /*EventContext*/) { return S_OK; };
STDMETHOD(OnSimpleVolumeChanged) (float /*NewSimpleVolume*/, BOOL /*NewMute*/, LPCGUID /*EventContext*/) { return S_OK; }
STDMETHOD(OnChannelVolumeChanged) (DWORD /*ChannelCount*/, float /*NewChannelVolumes*/[], DWORD /*ChangedChannel*/, LPCGUID /*EventContext*/) { return S_OK; };
STDMETHOD(OnGroupingParamChanged) (LPCGUID /*NewGroupingParam*/, LPCGUID /*EventContext*/) { return S_OK; };
STDMETHOD(OnStateChanged) (AudioSessionState /*NewState*/) { return S_OK; };
STDMETHOD(OnSessionDisconnected) (AudioSessionDisconnectReason DisconnectReason);
STDMETHOD(OnDeviceStateChanged) (LPCWSTR /*DeviceId*/, DWORD /*NewState*/) { return S_OK; }
STDMETHOD(OnDeviceAdded) (LPCWSTR /*DeviceId*/) { return S_OK; };
STDMETHOD(OnDeviceRemoved) (LPCWSTR /*DeviceId(*/) { return S_OK; };
STDMETHOD(OnDefaultDeviceChanged) (EDataFlow Flow, ERole Role, LPCWSTR NewDefaultDeviceId);
STDMETHOD(OnPropertyValueChanged) (LPCWSTR /*DeviceId*/, const PROPERTYKEY /*Key*/) { return S_OK; };
//
// IUnknown
//
STDMETHOD(QueryInterface)(REFIID iid, void **pvObject);
#endif
};
}
}
#endif //LIBTGVOIP_AUDIOOUTPUTWASAPI_H