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

DirectSound voices, sample playback and voice parameters. More...

#include "ix.h"
#include <stdlib.h>
#include <string.h>
#include <time.h>

Go to the source code of this file.

Functions

void ix_dspv_set_buffer (int voice, unsigned char *buffer, int length)
void ix_dspv_set_position (int voice, int offset)
void ix_dspv_set_volume (int voice, short volume)
void ix_dspv_set_active (int voice)
void ix_dspv_clear_active (int voice)
unsigned int ix_dspv_get_flags (int voice)
void ix_dspv_clear_flag4 (int voice)
void ix_dspv_set_flag4 (int voice, int on)
int ix_dspv_get_position (int voice)
void ix_dspv_recalc_mix (int voice)
void ix_dspv_set_pan (int voice, unsigned short angle)
void ix_dspv_set_frequency (int voice, unsigned int hz)
void ix_dspv_set_bits_per_sample (int voice, int bps)
void ix_dspv_set_channels (int voice, int channels)

Variables

IxVoice g_2_voices [34]
CRITICAL_SECTION g_7_csMixer
int g_nVoiceCapacity
int g_nVoicesReserved

Detailed Description

DirectSound voices, sample playback and voice parameters.

Definition in file dspv.cpp.

Function Documentation

◆ ix_dspv_clear_active()

void ix_dspv_clear_active ( int voice)

Definition at line 42 of file dspv.cpp.

References IxVoice::flags, g_2_voices, g_nVoiceCapacity, ix_dspv_clear_active(), IX_DSPV_FILE, ix_log_printf(), and IX_VOICE_ACTIVE.

Referenced by ix_dspv_clear_active(), and ix_system_release_voice().

◆ ix_dspv_clear_flag4()

void ix_dspv_clear_flag4 ( int voice)

Definition at line 55 of file dspv.cpp.

References IxVoice::flags, g_2_voices, g_nVoiceCapacity, ix_dspv_clear_flag4(), IX_DSPV_FILE, ix_log_printf(), and IX_VOICE_FLAG4.

Referenced by ix_dspv_clear_flag4(), and ix_sound_release().

◆ ix_dspv_get_flags()

unsigned int ix_dspv_get_flags ( int voice)

Definition at line 66 of file dspv.cpp.

References IxVoice::flags, g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_get_flags(), and ix_log_printf().

Referenced by ix_dspv_get_flags(), ix_system_find_free_voice(), and ix_system_service_sounds().

◆ ix_dspv_get_position()

int ix_dspv_get_position ( int voice)

Definition at line 104 of file dspv.cpp.

References IxVoice::cursor, g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_get_position(), ix_log_printf(), and IxVoice::start.

Referenced by ix_dspv_get_position().

◆ ix_dspv_recalc_mix()

void ix_dspv_recalc_mix ( int voice)

Definition at line 227 of file dspv.cpp.

References g_2_voices, g_3_anPanTable, g_7_csMixer, g_nMasterVolume, ix_dspv_recalc_mix(), IxVoice::leftGain, IxVoice::leftGainHi, IxVoice::panPos, IxVoice::rightGain, IxVoice::rightGainHi, and IxVoice::volume.

Referenced by ix_dsp_set_master_volume(), ix_dspv_recalc_mix(), ix_dspv_set_pan(), and ix_dspv_set_volume().

◆ ix_dspv_set_active()

void ix_dspv_set_active ( int voice)

Definition at line 31 of file dspv.cpp.

References IxVoice::flags, g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_set_active(), ix_log_printf(), and IX_VOICE_ACTIVE.

Referenced by ix_dspv_set_active(), and ix_system_assign_voice().

◆ ix_dspv_set_bits_per_sample()

void ix_dspv_set_bits_per_sample ( int voice,
int bps )

Definition at line 189 of file dspv.cpp.

References IxVoice::flags, g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_set_bits_per_sample(), ix_log_printf(), and IX_VOICE_16BIT.

Referenced by ix_dspv_set_bits_per_sample(), and ix_system_assign_voice().

◆ ix_dspv_set_buffer()

void ix_dspv_set_buffer ( int voice,
unsigned char * buffer,
int length )

Definition at line 87 of file dspv.cpp.

References IxVoice::cursor, IxVoice::end, g_2_voices, g_7_csMixer, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_set_buffer(), ix_log_printf(), and IxVoice::start.

Referenced by ix_dspv_set_buffer(), and ix_system_assign_voice().

◆ ix_dspv_set_channels()

void ix_dspv_set_channels ( int voice,
int channels )

Definition at line 208 of file dspv.cpp.

References IxVoice::flags, g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_set_channels(), ix_log_printf(), and IX_VOICE_STEREO.

Referenced by ix_dspv_set_channels(), and ix_system_assign_voice().

◆ ix_dspv_set_flag4()

void ix_dspv_set_flag4 ( int voice,
int on )

Definition at line 78 of file dspv.cpp.

References IxVoice::flags, g_2_voices, ix_dspv_set_flag4(), and IX_VOICE_FLAG4.

Referenced by ix_dspv_set_flag4(), and ix_system_assign_voice().

◆ ix_dspv_set_frequency()

void ix_dspv_set_frequency ( int voice,
unsigned int hz )

Definition at line 177 of file dspv.cpp.

References g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_set_frequency(), ix_log_printf(), IX_MIXER_BASE_RATE, and IxVoice::rate.

Referenced by ix_dspv_set_frequency(), ix_system_assign_voice(), and ix_system_service_sounds().

◆ ix_dspv_set_pan()

void ix_dspv_set_pan ( int voice,
unsigned short angle )

Definition at line 147 of file dspv.cpp.

References g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_recalc_mix(), ix_dspv_set_pan(), ix_log_printf(), IxVoice::panAngle, and IxVoice::panPos.

Referenced by ix_dspv_set_pan(), ix_system_assign_voice(), and ix_system_service_sounds().

◆ ix_dspv_set_position()

void ix_dspv_set_position ( int voice,
int offset )

Definition at line 119 of file dspv.cpp.

References IxVoice::cursor, g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_set_position(), ix_log_printf(), and IxVoice::start.

Referenced by ix_dspv_set_position(), and ix_system_assign_voice().

◆ ix_dspv_set_volume()

void ix_dspv_set_volume ( int voice,
short volume )

Definition at line 135 of file dspv.cpp.

References g_2_voices, g_nVoiceCapacity, IX_DSPV_FILE, ix_dspv_recalc_mix(), ix_dspv_set_volume(), ix_log_printf(), and IxVoice::volume.

Referenced by ix_dspv_set_volume(), ix_system_assign_voice(), and ix_system_service_sounds().

Variable Documentation

◆ g_2_voices

IxVoice g_2_voices[34]

Definition at line 19 of file dspv.cpp.

Referenced by ix_dsp_set_master_volume(), ix_dsps_alloc(), ix_dsps_get_buffer_free(), ix_dsps_play(), ix_dsps_prepare(), ix_dsps_set_volume(), ix_dsps_stop(), ix_dspv_clear_active(), ix_dspv_clear_flag4(), ix_dspv_get_flags(), ix_dspv_get_position(), ix_dspv_recalc_mix(), ix_dspv_set_active(), ix_dspv_set_bits_per_sample(), ix_dspv_set_buffer(), ix_dspv_set_channels(), ix_dspv_set_flag4(), ix_dspv_set_frequency(), ix_dspv_set_pan(), ix_dspv_set_position(), and ix_dspv_set_volume().

◆ g_7_csMixer

CRITICAL_SECTION g_7_csMixer

Definition at line 20 of file dspv.cpp.

Referenced by ix_dsp_init(), ix_dsp_shutdown(), ix_dspv_recalc_mix(), ix_dspv_set_buffer(), ix_mixer_service(), and void().

◆ g_nVoiceCapacity

int g_nVoiceCapacity

Definition at line 21 of file dspv.cpp.

Referenced by ix_dsp_get_voice_count(), ix_dsp_init(), ix_dsp_set_master_volume(), ix_dsp_set_voice_count(), ix_dsps_alloc(), ix_dsps_get_buffer_free(), ix_dsps_play(), ix_dsps_prepare(), ix_dsps_set_volume(), ix_dsps_stop(), ix_dspv_clear_active(), ix_dspv_clear_flag4(), ix_dspv_get_flags(), ix_dspv_get_position(), ix_dspv_set_active(), ix_dspv_set_bits_per_sample(), ix_dspv_set_buffer(), ix_dspv_set_channels(), ix_dspv_set_frequency(), ix_dspv_set_pan(), ix_dspv_set_position(), and ix_dspv_set_volume().

◆ g_nVoicesReserved

int g_nVoicesReserved

Definition at line 249 of file dspv.cpp.

Referenced by ix_dsp_set_stream_count(), and ix_dsp_set_voice_count().