mgl_audio_renderer_apple_coreaudio.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_AUDIO_RENDERER_APPLE_COREAUDIO_H_1610829971
#define INCGUARD_MGL_AUDIO_RENDERER_APPLE_COREAUDIO_H_1610829971
 
#include <mgl/mgl_environment.h>
#if defined(MGL_AUDIO_RENDERER_ENABLE_APPLE_COREAUDIO)
 
#include <AudioToolbox/AudioToolbox.h>
#include <atomic>
 
#include <mgl/audio/renderer/mgl_audio_renderer.h>
#include <mgl/event/mgl_event.h>
 
namespace MGL::Audio
{
class AppleCoreAudioRenderer : public Renderer
{
public:
    AppleCoreAudioRenderer() noexcept;
 
    virtual ~AppleCoreAudioRenderer() noexcept;
 
    bool Initialize(InitializeMode initMode, RenderingFunction rendering) noexcept override;
 
private:
    std::atomic<bool> _isInitialize;                  
    Event::Handle _eventSuspend;                      
    Event::Handle _eventResume;                       
    AudioStreamBasicDescription _outputFormatASBD;    
    AudioUnit _outUnit;                               
 
    static OSStatus renderCallback(
        void *inRefCon,
        AudioUnitRenderActionFlags *ioActionFlags,
        const AudioTimeStamp *inTimeStamp,
        UInt32 inBusNumber,
        UInt32 inNumberFrames,
        AudioBufferList *ioData) noexcept;
 
    static void OnEventSuspend(void *callbackArg, void *notifyArg) noexcept;
    static void OnEventResume(void *callbackArg, void *notifyArg) noexcept;
};
 
}    // namespace MGL::Audio
 
#endif    // MGL_AUDIO_RENDERER_ENABLE_APPLE_COREAUDIO
#endif    // INCGUARD_MGL_AUDIO_RENDERER_APPLE_COREAUDIO_H_1610829971
 
// vim: et ts=4 sw=4 sts=4