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44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
#pragma once
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#ifndef _WIN32
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#error "XAudio2 can only be built on Windows."
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#endif
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#include "Emu/Audio/AudioBackend.h"
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#include <xaudio2redist.h>
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#include <wrl/client.h>
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class XAudio2Backend final : public AudioBackend
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{
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private:
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Microsoft::WRL::ComPtr<IXAudio2> m_xaudio2_instance;
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IXAudio2MasteringVoice* m_master_voice{};
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IXAudio2SourceVoice* m_source_voice{};
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public:
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XAudio2Backend();
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virtual ~XAudio2Backend() override;
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virtual const char* GetName() const override { return "XAudio2"; };
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static const u32 capabilities = PLAY_PAUSE_FLUSH | IS_PLAYING | GET_NUM_ENQUEUED_SAMPLES | SET_FREQUENCY_RATIO;
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virtual u32 GetCapabilities() const override { return capabilities; };
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virtual bool Initialized() const override { return m_xaudio2_instance != nullptr; }
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virtual void Open(u32 /* num_buffers */) override;
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virtual void Close() override;
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virtual void Play() override;
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virtual void Pause() override;
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virtual bool IsPlaying() override;
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virtual bool AddData(const void* src, u32 num_samples) override;
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virtual void Flush() override;
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virtual u64 GetNumEnqueuedSamples() override;
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virtual f32 SetFrequencyRatio(f32 new_ratio) override;
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};
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