Wing Commander
Reconstructed Win32 source (1996)
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dsp.cpp File Reference
ix audio library (C++)

DirectSound device control and shared configuration. More...

#include <limits.h>
#include "ix.h"
#include <dsound.h>
#include <stdlib.h>
#include <string.h>

Go to the source code of this file.

Macros

#define IX_DSP_FILE   "D:\\rnd\\prj\\ix\\win95\\dsp\\dsp.cpp"

Functions

void *__cdecl * pIxMalloc (unsigned int)
 void (__cdecl *pIxFree)(void *)
int ix_dsp_init (void)
void ix_dsp_shutdown (void)
void ix_dsp_configure (int option, void *value)
BOOL CALLBACK ix_dsp_open_driver (LPGUID guid, LPSTR description, LPSTR module, LPVOID context)
unsigned int ix_dsp_get_tick (void)
unsigned int ix_dsp_get_flags (void)
void ix_dsp_set_config_bit1 (int enabled)
void ix_dsp_set_config_bit3 (int enabled)
int ix_dsp_get_voice_count (void)
void ix_dsp_set_voice_count (int voiceCount)
int ix_dsp_get_stream_count (void)
void ix_dsp_set_stream_count (int streamCount)
unsigned short ix_dsp_get_master_volume (void)
void ix_dsp_set_master_volume (unsigned short volume)
void ix_dsp_build_pan_tables (void)
const char * ix_dsp_result_to_text (int result)
void * ix_dsp_alloc (unsigned int bytes)
void * ix_dsp_copy (void *destination, const void *source, unsigned int bytes)
void ix_dsp_free (void *memory)

Variables

unsigned short nMasterVolume = 0xffff
HANDLE hIxPlaybackThread
HWND hPlaybackWindow
HANDLE hAudioWakeEvent
unsigned int dwMixerWriteOffset
LPDIRECTSOUND pDspDevice
unsigned int dwSoundBufferSize
unsigned int dwDspFlags
DWORD dwMixerThreadId
LPDIRECTSOUNDBUFFER pMixerBuffer
short asPanGains [512]
unsigned int dwDspTick
LPDIRECTSOUNDBUFFER pDspPrimaryBuffer

Detailed Description

DirectSound device control and shared configuration.

Originally D:\rnd\prj\ix\win95\dsp\dsp.cpp, address range 444910-44518f.

Definition in file dsp.cpp.

Macro Definition Documentation

◆ IX_DSP_FILE

#define IX_DSP_FILE   "D:\\rnd\\prj\\ix\\win95\\dsp\\dsp.cpp"

Definition at line 15 of file dsp.cpp.

Referenced by ix_dsp_init(), ix_dsp_set_stream_count(), and ix_dsp_set_voice_count().

Function Documentation

◆ ix_dsp_alloc()

void * ix_dsp_alloc ( unsigned int bytes)

Definition at line 298 of file dsp.cpp.

References ix_dsp_alloc(), and pIxMalloc().

Referenced by ix_dsp_alloc(), IxSample::ix_sample_load_aiff(), IxSample::ix_sample_load_raw(), and IxSample::ix_sample_load_wav().

◆ ix_dsp_build_pan_tables()

void ix_dsp_build_pan_tables ( void )

Definition at line 229 of file dsp.cpp.

References asPanGains, and ix_dsp_build_pan_tables().

Referenced by ix_dsp_build_pan_tables(), and ix_dsp_init().

◆ ix_dsp_configure()

void ix_dsp_configure ( int option,
void * value )

Definition at line 77 of file dsp.cpp.

References dwDspFlags, hAudioWakeEvent, hPlaybackWindow, ix_dsp_configure(), and pDspDevice.

Referenced by ix_dsp_configure(), ix_streamer_configure(), ix_streamer_open_stream_file(), and ix_system_configure().

◆ ix_dsp_copy()

void * ix_dsp_copy ( void * destination,
const void * source,
unsigned int bytes )

Definition at line 305 of file dsp.cpp.

References ix_dsp_copy().

Referenced by ix_dsp_copy(), IxSample::ix_sample_load_aiff(), IxSample::ix_sample_load_raw(), and IxSample::ix_sample_load_wav().

◆ ix_dsp_free()

void ix_dsp_free ( void * memory)

Definition at line 311 of file dsp.cpp.

References ix_dsp_free().

Referenced by ix_dsp_free(), and IxSample::ix_sample_destruct().

◆ ix_dsp_get_flags()

unsigned int ix_dsp_get_flags ( void )

Definition at line 140 of file dsp.cpp.

References dwDspFlags, and ix_dsp_get_flags().

Referenced by ix_dsp_get_flags().

◆ ix_dsp_get_master_volume()

unsigned short ix_dsp_get_master_volume ( void )

Definition at line 206 of file dsp.cpp.

References ix_dsp_get_master_volume(), and nMasterVolume.

Referenced by ix_dsp_get_master_volume(), and ix_system_get_master_volume().

◆ ix_dsp_get_stream_count()

int ix_dsp_get_stream_count ( void )

Definition at line 185 of file dsp.cpp.

References ix_dsp_get_stream_count(), and nStreamCount.

Referenced by ix_dsp_get_stream_count().

◆ ix_dsp_get_tick()

unsigned int ix_dsp_get_tick ( void )

Definition at line 134 of file dsp.cpp.

References dwDspTick, and ix_dsp_get_tick().

Referenced by ix_dsp_get_tick(), ix_sound_start(), ix_system_assign_voice(), and ix_system_service_sounds().

◆ ix_dsp_get_voice_count()

int ix_dsp_get_voice_count ( void )

Definition at line 164 of file dsp.cpp.

References ix_dsp_get_voice_count(), and nVoiceCount.

Referenced by ix_dsp_get_voice_count(), ix_system_init(), and ix_system_set_voice_count().

◆ ix_dsp_init()

int ix_dsp_init ( void )

Definition at line 35 of file dsp.cpp.

References csMixer, dwDspFlags, dwMixerThreadId, dwMixerWriteOffset, hAudioWakeEvent, hIxPlaybackThread, ix_dsp_build_pan_tables(), IX_DSP_FILE, ix_dsp_init(), ix_log_printf(), ix_mixer_thread_proc(), nStreamCount, and nVoiceCount.

Referenced by ix_dsp_init(), ix_streamer_init(), and ix_system_init().

◆ ix_dsp_open_driver()

BOOL CALLBACK ix_dsp_open_driver ( LPGUID guid,
LPSTR description,
LPSTR module,
LPVOID context )

Definition at line 106 of file dsp.cpp.

References dwDspFlags, hPlaybackWindow, ix_dsp_open_driver(), ix_log_printf(), and pDspDevice.

Referenced by ix_dsp_open_driver(), and ix_mixer_thread_proc().

◆ ix_dsp_result_to_text()

const char * ix_dsp_result_to_text ( int result)

Definition at line 263 of file dsp.cpp.

References ix_dsp_result_to_text().

Referenced by ix_dsp_result_to_text(), ix_mixer_service(), and ix_mixer_thread_proc().

◆ ix_dsp_set_config_bit1()

void ix_dsp_set_config_bit1 ( int enabled)

Definition at line 146 of file dsp.cpp.

References dwDspFlags, and ix_dsp_set_config_bit1().

Referenced by ix_dsp_set_config_bit1().

◆ ix_dsp_set_config_bit3()

void ix_dsp_set_config_bit3 ( int enabled)

Definition at line 155 of file dsp.cpp.

References dwDspFlags, and ix_dsp_set_config_bit3().

Referenced by ix_dsp_set_config_bit3().

◆ ix_dsp_set_master_volume()

void ix_dsp_set_master_volume ( unsigned short volume)

Definition at line 212 of file dsp.cpp.

References dwDspFlags, pIxMalloc(), and void().

Referenced by ix_system_set_master_volume().

◆ ix_dsp_set_stream_count()

void ix_dsp_set_stream_count ( int streamCount)

Definition at line 191 of file dsp.cpp.

References IX_DSP_FILE, ix_dsp_set_stream_count(), ix_log_printf(), nAllocatedStreams, nStreamCount, and nVoicesAllocated.

Referenced by ix_dsp_set_stream_count().

◆ ix_dsp_set_voice_count()

void ix_dsp_set_voice_count ( int voiceCount)

Definition at line 170 of file dsp.cpp.

References IX_DSP_FILE, ix_dsp_set_voice_count(), ix_log_printf(), nAllocatedStreams, nVoiceCount, and nVoicesAllocated.

Referenced by ix_dsp_set_voice_count(), and ix_system_set_voice_count().

◆ ix_dsp_shutdown()

void ix_dsp_shutdown ( void )

Definition at line 58 of file dsp.cpp.

References csMixer, dwDspFlags, hAudioWakeEvent, hIxPlaybackThread, ix_dsp_shutdown(), and pDspDevice.

Referenced by ix_dsp_shutdown(), ix_streamer_destroy(), and ix_system_shutdown().

◆ pIxMalloc()

void *__cdecl * pIxMalloc ( unsigned int )

References pIxMalloc().

Referenced by ix_dsp_alloc(), ix_dsp_set_master_volume(), ix_streamer_open_file(), ix_streamer_open_stream_file(), ix_system_new_sample(), ix_system_new_sound(), and pIxMalloc().

◆ void()

void ( __cdecl * pIxFree)

References void().

Referenced by CaptureSpriteBackground(), CreateCannedSceneObject(), decrement_lock_time(), DisplayTrainSimHighScoreTable(), DrawBriefingCharacter(), DrawNavCrossMarker(), DrawNavSquareMarker(), DrawNavTriangleMarker(), DrawViewportPolygonHook(), escorting_a_ship(), EventManagerHook(), FadeViewportPaletteToColour(), fire_when_ready(), fizzle_fade(), FlushSoundEffectsAndLog(), FrameTimerCallback(), general_zig(), GetFixedOneMillionThunk(), GetFixedOneMillionThunkAlt(), GetJoystickButtonEdge(), GetPacketDecompressionResult(), GetShutdownErrorCode(), GetStartupErrorCode(), GetTransformedShapeBounds(), InitializeDIBScreenViewport(), ix_dsp_set_master_volume(), ix_streamer_thread_proc(), JoystickEdgeHook(), MarkActivePaletteEntries(), Mburnout(), MemoryServiceMapHook(), MemoryServiceQueryHook(), MemoryServiceReleaseHook(), MemoryServiceTransferHook(), Mfish_hook(), PlayCockpitSelectionSfx(), point_at(), PreloadMusicTrackHook(), PrepareShapeRLEData(), RasterLineHook(), ReleaseMusicTrackHook(), ResetAllocationDepth(), ResetDiskPromptTimerHook(), RestoreSpriteBackground(), SetMusBreakpt(), ShipAiState35(), ShouldSuspendCursorForRect(), ShowCarrierLaunchSequence(), ShutdownHook(), snow_viewport(), StartupHook(), StopMusic(), SystemDebugPrintf(), void(), WaitForSceneAdvance(), and WinMain().

Variable Documentation

◆ asPanGains

short asPanGains[512]

Definition at line 30 of file dsp.cpp.

Referenced by ix_dsp_build_pan_tables(), IxVoice::ix_dspv_recalc_mix, and void().

◆ dwDspFlags

unsigned int dwDspFlags

Definition at line 27 of file dsp.cpp.

Referenced by ix_dsp_configure(), ix_dsp_get_flags(), ix_dsp_init(), ix_dsp_open_driver(), ix_dsp_set_config_bit1(), ix_dsp_set_config_bit3(), ix_dsp_set_master_volume(), ix_dsp_shutdown(), ix_mixer_service(), and ix_mixer_thread_proc().

◆ dwDspTick

unsigned int dwDspTick

Definition at line 31 of file dsp.cpp.

Referenced by ix_dsp_get_tick(), and ix_mixer_service().

◆ dwMixerThreadId

DWORD dwMixerThreadId

Definition at line 28 of file dsp.cpp.

Referenced by ix_dsp_init().

◆ dwMixerWriteOffset

unsigned int dwMixerWriteOffset

Definition at line 24 of file dsp.cpp.

Referenced by ix_dsp_init(), and ix_mixer_service().

◆ dwSoundBufferSize

unsigned int dwSoundBufferSize

Definition at line 26 of file dsp.cpp.

Referenced by ix_mixer_service(), and ix_mixer_thread_proc().

◆ hAudioWakeEvent

HANDLE hAudioWakeEvent

Definition at line 23 of file dsp.cpp.

Referenced by ix_dsp_configure(), ix_dsp_init(), ix_dsp_shutdown(), and ix_mixer_thread_proc().

◆ hIxPlaybackThread

HANDLE hIxPlaybackThread

Definition at line 21 of file dsp.cpp.

Referenced by ix_dsp_init(), and ix_dsp_shutdown().

◆ hPlaybackWindow

HWND hPlaybackWindow

Definition at line 22 of file dsp.cpp.

Referenced by ix_dsp_configure(), and ix_dsp_open_driver().

◆ nMasterVolume

unsigned short nMasterVolume = 0xffff

Definition at line 17 of file dsp.cpp.

Referenced by ix_dsp_get_master_volume(), IxVoice::ix_dsp_set_master_volume, IxVoice::ix_dspv_recalc_mix, ix_mixer_thread_proc(), and void().

◆ pDspDevice

LPDIRECTSOUND pDspDevice

Definition at line 25 of file dsp.cpp.

Referenced by ix_dsp_configure(), ix_dsp_open_driver(), ix_dsp_shutdown(), and ix_mixer_thread_proc().

◆ pDspPrimaryBuffer

LPDIRECTSOUNDBUFFER pDspPrimaryBuffer

Definition at line 32 of file dsp.cpp.

Referenced by ix_mixer_thread_proc().

◆ pMixerBuffer

LPDIRECTSOUNDBUFFER pMixerBuffer

Definition at line 29 of file dsp.cpp.

Referenced by ix_mixer_service(), and ix_mixer_thread_proc().