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41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
#pragma once
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#include "Emu/Audio/AudioBackend.h"
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#include "3rdparty/OpenAL/include/alext.h"
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#include <memory>
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class OpenALBackend : public AudioBackend
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{
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private:
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ALint m_format;
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ALuint m_source;
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ALuint m_buffers[MAX_AUDIO_BUFFERS];
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ALsizei m_num_buffers;
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u32 m_next_buffer = 0;
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u32 m_num_unqueued = 0;
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void unqueue_processed();
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public:
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OpenALBackend();
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virtual ~OpenALBackend() override;
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virtual const char* GetName() const override { return "OpenAL"; }
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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 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 size) 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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}; |