Shipwright/libultraship/libultraship/WasapiAudioPlayer.h

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#pragma once
#ifdef _WIN32
#include "AudioPlayer.h"
#include <wrl/client.h>
#include <mmdeviceapi.h>
#include <audioclient.h>
using namespace Microsoft::WRL;
namespace Ship {
class WasapiAudioPlayer : public AudioPlayer, public IMMNotificationClient {
public:
WasapiAudioPlayer() : refcount(1), bufferFrameCount(0), initialized(false), started(false) { };
bool Init(void);
int Buffered(void);
int GetDesiredBuffered(void);
void Play(const uint8_t* Buffer, uint32_t BufferLen);
protected:
virtual HRESULT STDMETHODCALLTYPE OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState);
virtual HRESULT STDMETHODCALLTYPE OnDeviceAdded(LPCWSTR pwstrDeviceId);
virtual HRESULT STDMETHODCALLTYPE OnDeviceRemoved(LPCWSTR pwstrDeviceId);
virtual HRESULT STDMETHODCALLTYPE OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDefaultDeviceId);
virtual HRESULT STDMETHODCALLTYPE OnPropertyValueChanged(LPCWSTR pwstrDeviceId, const PROPERTYKEY key);
virtual ULONG STDMETHODCALLTYPE AddRef();
virtual ULONG STDMETHODCALLTYPE Release();
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, VOID** ppvInterface);
void ThrowIfFailed(HRESULT res);
bool SetupStream(void);
private:
ComPtr<IMMDeviceEnumerator> DeviceEnumerator;
ComPtr<IMMDevice> device;
ComPtr<IAudioClient> client;
ComPtr<IAudioRenderClient> rclient;
LONG refcount;
UINT32 bufferFrameCount;
bool initialized;
bool started;
};
}
#endif