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SPU: Add time stretched audio output

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This commit is contained in:
Connor McLaughlin
2022-07-28 00:42:41 +10:00
parent f54e32ff01
commit 68b5dd869c
27 changed files with 1165 additions and 808 deletions
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39
src/frontend-common/xaudio2_audio_stream.h
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@@ -14,45 +14,42 @@
class XAudio2AudioStream final : public AudioStream, private IXAudio2VoiceCallback
{
public:
XAudio2AudioStream();
XAudio2AudioStream(u32 sample_rate, u32 channels, u32 buffer_ms, AudioStretchMode stretch);
~XAudio2AudioStream();
bool Initialize();
void SetPaused(bool paused) override;
void SetOutputVolume(u32 volume) override;
protected:
bool OpenDevice(u32 latency_ms);
void CloseDevice();
void EnqueueBuffer();
private:
enum : u32
{
NUM_BUFFERS = 2
NUM_BUFFERS = 2,
INTERNAL_BUFFER_SIZE = 512,
};
ALWAYS_INLINE bool IsOpen() const { return static_cast<bool>(m_xaudio); }
bool OpenDevice() override;
void PauseDevice(bool paused) override;
void CloseDevice() override;
void FramesAvailable() override;
// Inherited via IXAudio2VoiceCallback
virtual void __stdcall OnVoiceProcessingPassStart(UINT32 BytesRequired) override;
virtual void __stdcall OnVoiceProcessingPassEnd(void) override;
virtual void __stdcall OnStreamEnd(void) override;
virtual void __stdcall OnBufferStart(void* pBufferContext) override;
virtual void __stdcall OnBufferEnd(void* pBufferContext) override;
virtual void __stdcall OnLoopEnd(void* pBufferContext) override;
virtual void __stdcall OnVoiceError(void* pBufferContext, HRESULT Error) override;
void EnqueueBuffer();
void __stdcall OnVoiceProcessingPassStart(UINT32 BytesRequired) override;
void __stdcall OnVoiceProcessingPassEnd(void) override;
void __stdcall OnStreamEnd(void) override;
void __stdcall OnBufferStart(void* pBufferContext) override;
void __stdcall OnBufferEnd(void* pBufferContext) override;
void __stdcall OnLoopEnd(void* pBufferContext) override;
void __stdcall OnVoiceError(void* pBufferContext, HRESULT Error) override;
Microsoft::WRL::ComPtr<IXAudio2> m_xaudio;
IXAudio2MasteringVoice* m_mastering_voice = nullptr;
IXAudio2SourceVoice* m_source_voice = nullptr;
std::array<std::unique_ptr<SampleType[]>, NUM_BUFFERS> m_buffers;
std::array<std::unique_ptr<SampleType[]>, NUM_BUFFERS> m_enqueue_buffers;
u32 m_enqueue_buffer_size = 0;
u32 m_current_buffer = 0;
bool m_buffer_enqueued = false;
bool m_paused = true;
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
HMODULE m_xaudio2_library = {};