mirror of
https://github.com/mauiaaron/apple2.git
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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Apple // emulator for *nix
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*
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* This software package is subject to the GNU General Public License
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* version 2 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* THERE ARE NO WARRANTIES WHATSOEVER.
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*
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*/
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/*
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* Sources derived from AppleWin emulator
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* Ported by Aaron Culliney
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*/
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#ifndef _SOUNDCORE_H_
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#define _SOUNDCORE_H_
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#include "audio/ds-shim.h"
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#define MAX_SAMPLES (8*1024)
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extern bool g_bDisableDirectSound;
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typedef struct
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{
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LPDIRECTSOUNDBUFFER lpDSBvoice;
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#ifdef APPLE2IX
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// apparently lpDSNotify isn't used...
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#define LPDIRECTSOUNDNOTIFY void*
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#endif
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LPDIRECTSOUNDNOTIFY lpDSNotify;
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bool bActive; // Playback is active
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bool bMute;
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LONG nVolume; // Current volume (as used by DirectSound)
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LONG nFadeVolume; // Current fade volume (as used by DirectSound)
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unsigned long dwUserVolume; // Volume from slider on Property Sheet (0=Max)
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bool bIsSpeaker;
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bool bRecentlyActive; // (Speaker only) false after 0.2s of speaker inactivity
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} VOICE, *PVOICE;
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bool DSGetLock(LPDIRECTSOUNDBUFFER pVoice, unsigned long dwOffset, unsigned long dwBytes,
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int16_t** ppDSLockedBuffer0, unsigned long* pdwDSLockedBufferSize0,
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int16_t** ppDSLockedBuffer1, unsigned long* pdwDSLockedBufferSize1);
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int DSGetSoundBuffer(VOICE* pVoice, unsigned long dwFlags, unsigned long dwBufferSize, unsigned long nSampleRate, int nChannels);
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void DSReleaseSoundBuffer(VOICE* pVoice);
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bool DSZeroVoiceBuffer(PVOICE Voice, char* pszDevName, unsigned long dwBufferSize);
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bool DSZeroVoiceWritableBuffer(PVOICE Voice, char* pszDevName, unsigned long dwBufferSize);
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typedef enum eFADE {FADE_NONE, FADE_IN, FADE_OUT} eFADE;
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void SoundCore_SetFade(eFADE FadeType);
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int SoundCore_GetErrorInc();
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void SoundCore_SetErrorInc(const int nErrorInc);
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int SoundCore_GetErrorMax();
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void SoundCore_SetErrorMax(const int nErrorMax);
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bool DSInit();
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void DSUninit();
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LONG NewVolume(unsigned long dwVolume, unsigned long dwVolumeMax);
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void SysClk_WaitTimer();
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bool SysClk_InitTimer();
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void SysClk_UninitTimer();
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void SysClk_StartTimerUsec(unsigned long dwUsecPeriod);
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void SysClk_StopTimer();
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//
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extern bool g_bDSAvailable;
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#ifdef APPLE2IX
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typedef struct IDirectSound SoundSystemStruct;
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long SoundSystemCreate(const char *sound_device, SoundSystemStruct **sound_struct);
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long SoundSystemDestroy(SoundSystemStruct **sound_struct);
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long SoundSystemPause();
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long SoundSystemUnpause();
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long SoundSystemEnumerate(char ***sound_devices, const int maxcount);
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#endif
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#endif /* whole file */
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