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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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30
src/frontend-common/cubeb_audio_stream.h
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@ -1,34 +1,30 @@
#pragma once
#include "cubeb/cubeb.h"
#include "util/audio_stream.h"
#include <cstdint>
class CubebAudioStream final : public AudioStream
struct cubeb;
struct cubeb_stream;
class CubebAudioStream : public AudioStream
{
public:
CubebAudioStream();
CubebAudioStream(u32 sample_rate, u32 channels, u32 buffer_ms, AudioStretchMode stretch);
~CubebAudioStream();
static std::unique_ptr<AudioStream> Create();
protected:
bool IsOpen() const { return m_cubeb_stream != nullptr; }
bool OpenDevice() override;
void PauseDevice(bool paused) override;
void CloseDevice() override;
void FramesAvailable() override;
void SetPaused(bool paused) override;
void SetOutputVolume(u32 volume) override;
void DestroyContext();
bool Initialize(u32 latency_ms);
private:
static void LogCallback(const char* fmt, ...);
static long DataCallback(cubeb_stream* stm, void* user_ptr, const void* input_buffer, void* output_buffer,
long nframes);
static void StateCallback(cubeb_stream* stream, void* user_ptr, cubeb_state state);
cubeb* m_cubeb_context = nullptr;
cubeb_stream* m_cubeb_stream = nullptr;
bool m_paused = true;
void DestroyContextAndStream();
cubeb* m_context = nullptr;
cubeb_stream* stream = nullptr;
#ifdef _WIN32
bool m_com_initialized_by_us = false;