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

DirectSound initialization, device configuration and buffers. More...

#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"
#define IX_MALLOC_HOOK   malloc

Functions

void *__cdecl * g_pIxMalloc (unsigned int)
 void (__cdecl *g_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

HANDLE g_hMixerTask
HWND g_4_hDspWnd
HANDLE g_2_hMixerRouseEvent
unsigned int g_3_dwMixWriteOffset
LPDIRECTSOUND g_1_pDirectSound
unsigned int g_dwMixerScratchSize
unsigned int g_5_dwSoundOptions
DWORD g_1_dwMixWorkerId
LPDIRECTSOUNDBUFFER g_pMixerBuffer
unsigned int g_6_dwDsoundTick
LPDIRECTSOUNDBUFFER g_1_pPrimarySoundBuffer
short g_3_anPanTable [512]
int g_nVoicesReserved
unsigned short g_nMasterVolume = 0xffff

Detailed Description

DirectSound initialization, device configuration and buffers.

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 16 of file dsp.cpp.

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

◆ IX_MALLOC_HOOK

#define IX_MALLOC_HOOK   malloc

Definition at line 34 of file dsp.cpp.

Referenced by g_pIxMalloc().

Function Documentation

◆ g_pIxMalloc()

void *__cdecl * g_pIxMalloc ( unsigned int )

References g_pIxMalloc(), and IX_MALLOC_HOOK.

Referenced by g_pIxMalloc(), ix_dsp_alloc(), ix_dsp_configure(), ix_streamer_open_file(), ix_streamer_open_stream_file(), ix_system_new_sample(), and ix_system_new_sound().

◆ ix_dsp_alloc()

void * ix_dsp_alloc ( unsigned int bytes)

Definition at line 305 of file dsp.cpp.

References g_pIxMalloc(), and ix_dsp_alloc().

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 236 of file dsp.cpp.

References g_3_anPanTable, 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 82 of file dsp.cpp.

References g_1_pDirectSound, g_2_hMixerRouseEvent, g_4_hDspWnd, g_5_dwSoundOptions, g_pIxMalloc(), ix_dsp_configure(), and void().

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 312 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 318 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 145 of file dsp.cpp.

References g_5_dwSoundOptions, 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 213 of file dsp.cpp.

References g_nMasterVolume, and ix_dsp_get_master_volume().

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 191 of file dsp.cpp.

References g_3_nStreamCount, and ix_dsp_get_stream_count().

Referenced by ix_dsp_get_stream_count().

◆ ix_dsp_get_tick()

unsigned int ix_dsp_get_tick ( void )

Definition at line 139 of file dsp.cpp.

References g_6_dwDsoundTick, 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 169 of file dsp.cpp.

References g_nVoiceCapacity, and ix_dsp_get_voice_count().

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 40 of file dsp.cpp.

References g_1_dwMixWorkerId, g_2_hMixerRouseEvent, g_3_dwMixWriteOffset, g_3_nStreamCount, g_5_dwSoundOptions, g_7_csMixer, g_hMixerTask, g_nVoiceCapacity, ix_dsp_build_pan_tables(), IX_DSP_FILE, ix_dsp_init(), ix_log_printf(), and ix_mixer_thread_proc().

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 111 of file dsp.cpp.

References g_1_pDirectSound, g_4_hDspWnd, g_5_dwSoundOptions, ix_dsp_open_driver(), and ix_log_printf().

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 270 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 151 of file dsp.cpp.

References g_5_dwSoundOptions, 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 160 of file dsp.cpp.

References g_5_dwSoundOptions, 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 219 of file dsp.cpp.

References g_2_voices, g_nMasterVolume, g_nVoiceCapacity, ix_dsp_set_master_volume(), ix_dspv_recalc_mix(), and IX_VOICE_ACTIVE.

Referenced by ix_dsp_set_master_volume(), and ix_system_set_master_volume().

◆ ix_dsp_set_stream_count()

void ix_dsp_set_stream_count ( int streamCount)

Definition at line 197 of file dsp.cpp.

References g_3_nStreamCount, g_nStreamsTaken, g_nVoicesReserved, IX_DSP_FILE, ix_dsp_set_stream_count(), and ix_log_printf().

Referenced by ix_dsp_set_stream_count().

◆ ix_dsp_set_voice_count()

void ix_dsp_set_voice_count ( int voiceCount)

Definition at line 175 of file dsp.cpp.

References g_nStreamsTaken, g_nVoiceCapacity, g_nVoicesReserved, IX_DSP_FILE, ix_dsp_set_voice_count(), and ix_log_printf().

Referenced by ix_dsp_set_voice_count(), and ix_system_set_voice_count().

◆ ix_dsp_shutdown()

void ix_dsp_shutdown ( void )

Definition at line 63 of file dsp.cpp.

References g_1_pDirectSound, g_2_hMixerRouseEvent, g_5_dwSoundOptions, g_7_csMixer, g_hMixerTask, and ix_dsp_shutdown().

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

◆ void()

void ( __cdecl * g_pIxFree)

References void().

Referenced by AdvanceViewportWipe(), CaptureSpriteBackground(), ConfigureDefaultSpacePalette(), decrement_lock_time(), DispatchCutsceneSpriteHandler(), DrawCutsceneCockpitOverlay(), DrawNavCrossMarker(), DrawNavSquareMarker(), DrawNavTriangleMarker(), EMStartUp(), FindCutsceneSoundEffect(), FinishViewportWipe(), FlushPendingInputPresses(), FlushSoundEffectsAndLog(), FrameTimerCallback(), general_zig(), GetAvailableFarMemoryByType(), GetLargestFreeMemoryBlockByType(), GetShutdownErrorCode(), GetStartupErrorCode(), GetTransformedShapeBounds(), house_keep(), InitializeViewportWipe(), ix_dsp_configure(), ix_streamer_thread_proc(), JoystickEdgeHook(), LoadCutsceneCockpitOverlay(), LoadGraphicsDriver(), LoadInputCursorShape(), LoadOriginFxDrivers(), Mburnout(), Mfish_hook(), onboard_explosion(), perform_maneuver(), PlayCockpitSelectionSfx(), QueueInputEvent(), RasterLineHook(), RefreshCampaignChalkboardScreen(), ReleaseCutsceneSoundEffects(), RestoreSpriteBackground(), RunTitleScreen(), ServiceInputDevices(), SetMusicTickRateHook(), ShowVictoryScreen(), StartupHook(), TheEndFireWorks(), void(), WaitForInputKey(), and DebugOverlayConsole::~DebugOverlayConsole().

Variable Documentation

◆ g_1_dwMixWorkerId

DWORD g_1_dwMixWorkerId

Definition at line 25 of file dsp.cpp.

Referenced by ix_dsp_init().

◆ g_1_pDirectSound

LPDIRECTSOUND g_1_pDirectSound

Definition at line 22 of file dsp.cpp.

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

◆ g_1_pPrimarySoundBuffer

LPDIRECTSOUNDBUFFER g_1_pPrimarySoundBuffer

Definition at line 28 of file dsp.cpp.

Referenced by ix_mixer_thread_proc().

◆ g_2_hMixerRouseEvent

HANDLE g_2_hMixerRouseEvent

Definition at line 20 of file dsp.cpp.

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

◆ g_3_anPanTable

short g_3_anPanTable[512]

Definition at line 29 of file dsp.cpp.

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

◆ g_3_dwMixWriteOffset

unsigned int g_3_dwMixWriteOffset

Definition at line 21 of file dsp.cpp.

Referenced by ix_dsp_init(), and ix_mixer_service().

◆ g_4_hDspWnd

HWND g_4_hDspWnd

Definition at line 19 of file dsp.cpp.

Referenced by ix_dsp_configure(), and ix_dsp_open_driver().

◆ g_5_dwSoundOptions

unsigned int g_5_dwSoundOptions

Definition at line 24 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_shutdown(), ix_mixer_service(), and ix_mixer_thread_proc().

◆ g_6_dwDsoundTick

unsigned int g_6_dwDsoundTick

Definition at line 27 of file dsp.cpp.

Referenced by ix_dsp_get_tick(), and ix_mixer_service().

◆ g_dwMixerScratchSize

unsigned int g_dwMixerScratchSize

Definition at line 23 of file dsp.cpp.

Referenced by ix_mixer_service(), and ix_mixer_thread_proc().

◆ g_hMixerTask

HANDLE g_hMixerTask

Definition at line 18 of file dsp.cpp.

Referenced by ix_dsp_init(), and ix_dsp_shutdown().

◆ g_nMasterVolume

unsigned short g_nMasterVolume = 0xffff

Definition at line 35 of file dsp.cpp.

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

◆ g_nVoicesReserved

int g_nVoicesReserved
extern

Definition at line 249 of file dspv.cpp.

Referenced by ix_dsp_set_stream_count(), and ix_dsp_set_voice_count().

◆ g_pMixerBuffer

LPDIRECTSOUNDBUFFER g_pMixerBuffer

Definition at line 26 of file dsp.cpp.

Referenced by ix_mixer_service(), and ix_mixer_thread_proc().