ref: d7f038fe0566c8239ec0b2ca1e56686476e82e09
dir: /src/audiolib/fx_man.c/
/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
Copyright (C) 2002-2015 icculus.org, GNU/Linux port
Copyright (C) 2017-2018 Steven LeVesque
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**********************************************************************
module: FX_MAN.C
author: James R. Dose
date: March 17, 1994
Device independant sound effect routines.
(c) Copyright 1994 James R. Dose. All Rights Reserved.
**********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "sndcards.h"
#include "multivoc.h"
#include "dsl.h"
#include "ll_man.h"
#include "user.h"
#include "fx_man.h"
#define TRUE ( 1 == 1 )
#define FALSE ( !TRUE )
static unsigned FX_MixRate;
int FX_SoundDevice = -1;
int FX_ErrorCode = FX_Ok;
int FX_Installed = FALSE;
#define FX_SetErrorCode( status ) \
FX_ErrorCode = ( status );
/*---------------------------------------------------------------------
Function: FX_ErrorString
Returns a pointer to the error message associated with an error
number. A -1 returns a pointer the current error.
---------------------------------------------------------------------*/
char *FX_ErrorString
(
int ErrorNumber
)
{
char *ErrorString;
switch( ErrorNumber )
{
case FX_Warning :
case FX_Error :
ErrorString = FX_ErrorString( FX_ErrorCode );
break;
case FX_Ok :
ErrorString = "Fx ok.";
break;
case FX_ASSVersion :
ErrorString = "Apogee Sound System Version " ASS_VERSION_STRING " "
"Programmed by Jim Dose\n"
"(c) Copyright 1995 James R. Dose. All Rights Reserved.\n";
break;
case FX_SoundCardError :
ErrorString = DSL_ErrorString( DSL_Error );
break;
case FX_InvalidCard :
ErrorString = "Invalid Sound Fx device.";
break;
case FX_MultiVocError :
ErrorString = MV_ErrorString( MV_Error );
break;
case FX_DPMI_Error :
ErrorString = "DPMI Error in FX_MAN.";
break;
default :
ErrorString = "Unknown Fx error code.";
break;
}
return( ErrorString );
}
/*---------------------------------------------------------------------
Function: FX_SetupCard
Sets the configuration of a sound device.
---------------------------------------------------------------------*/
int FX_SetupCard
(
int SoundCard,
fx_device *device
)
{
int status;
int DeviceStatus;
if ( USER_CheckParameter( "ASSVER" ) )
{
FX_SetErrorCode( FX_ASSVersion );
return( FX_Error );
}
FX_SoundDevice = SoundCard;
status = FX_Ok;
FX_SetErrorCode( FX_Ok );
DeviceStatus = DSL_Init();
if ( DeviceStatus != DSL_Ok )
{
FX_SetErrorCode( FX_SoundCardError );
status = FX_Error;
}
else
{
device->MaxVoices = 32;
device->MaxSampleBits = 0;
device->MaxChannels = 0;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_GetBlasterSettings
Returns the current BLASTER environment variable settings.
---------------------------------------------------------------------*/
int FX_GetBlasterSettings
(
fx_blaster_config *blaster
)
{
return( FX_Ok );
}
/*---------------------------------------------------------------------
Function: FX_SetupSoundBlaster
Handles manual setup of the Sound Blaster information.
---------------------------------------------------------------------*/
int FX_SetupSoundBlaster
(
fx_blaster_config blaster,
int *MaxVoices,
int *MaxSampleBits,
int *MaxChannels
)
{
return( FX_Ok );
}
/*---------------------------------------------------------------------
Function: FX_Init
Selects which sound device to use.
---------------------------------------------------------------------*/
int FX_Init
(
int SoundCard,
int numvoices,
int numchannels,
int samplebits,
unsigned mixrate
)
{
int status;
int devicestatus;
if ( FX_Installed )
{
FX_Shutdown();
}
if ( USER_CheckParameter( "ASSVER" ) )
{
FX_SetErrorCode( FX_ASSVersion );
return( FX_Error );
}
status = LL_LockMemory();
if ( status != LL_Ok )
{
FX_SetErrorCode( FX_DPMI_Error );
return( FX_Error );
}
FX_MixRate = mixrate;
status = FX_Ok;
FX_SoundDevice = SoundCard;
switch( SoundCard )
{
case SoundBlaster :
case Awe32 :
case ProAudioSpectrum :
case SoundMan16 :
case SoundScape :
case SoundSource :
case TandySoundSource :
case UltraSound :
devicestatus = MV_Init( SoundCard, FX_MixRate, numvoices,
numchannels, samplebits );
if ( devicestatus != MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Error;
}
break;
default :
FX_SetErrorCode( FX_InvalidCard );
status = FX_Error;
}
if ( status != FX_Ok )
{
LL_UnlockMemory();
}
else
{
FX_Installed = TRUE;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_Shutdown
Terminates use of sound device.
---------------------------------------------------------------------*/
int FX_Shutdown
(
void
)
{
int status;
if ( !FX_Installed )
{
return( FX_Ok );
}
status = FX_Ok;
switch( FX_SoundDevice )
{
case SoundBlaster :
case Awe32 :
case ProAudioSpectrum :
case SoundMan16 :
case SoundScape :
case SoundSource :
case TandySoundSource :
case UltraSound :
status = MV_Shutdown();
if ( status != MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Error;
}
break;
default :
FX_SetErrorCode( FX_InvalidCard );
status = FX_Error;
}
FX_Installed = FALSE;
LL_UnlockMemory();
return( status );
}
/*---------------------------------------------------------------------
Function: FX_SetCallback
Sets the function to call when a voice is done.
---------------------------------------------------------------------*/
int FX_SetCallBack
(
void ( *function )( unsigned long )
)
{
int status;
status = FX_Ok;
switch( FX_SoundDevice )
{
case SoundBlaster :
case Awe32 :
case ProAudioSpectrum :
case SoundMan16 :
case SoundScape :
case SoundSource :
case TandySoundSource :
case UltraSound :
MV_SetCallBack( function );
break;
default :
FX_SetErrorCode( FX_InvalidCard );
status = FX_Error;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_SetVolume
Sets the volume of the current sound device.
---------------------------------------------------------------------*/
void FX_SetVolume
(
int volume
)
{
MV_SetVolume( volume );
}
/*---------------------------------------------------------------------
Function: FX_GetVolume
Returns the volume of the current sound device.
---------------------------------------------------------------------*/
int FX_GetVolume
(
void
)
{
int volume;
volume = MV_GetVolume();
return( volume );
}
/*---------------------------------------------------------------------
Function: FX_SetReverseStereo
Set the orientation of the left and right channels.
---------------------------------------------------------------------*/
void FX_SetReverseStereo
(
int setting
)
{
MV_SetReverseStereo( setting );
}
/*---------------------------------------------------------------------
Function: FX_GetReverseStereo
Returns the orientation of the left and right channels.
---------------------------------------------------------------------*/
int FX_GetReverseStereo
(
void
)
{
return MV_GetReverseStereo();
}
/*---------------------------------------------------------------------
Function: FX_SetReverb
Sets the reverb level.
---------------------------------------------------------------------*/
void FX_SetReverb
(
int reverb
)
{
MV_SetReverb( reverb );
}
/*---------------------------------------------------------------------
Function: FX_SetFastReverb
Sets the reverb level.
---------------------------------------------------------------------*/
void FX_SetFastReverb
(
int reverb
)
{
MV_SetFastReverb( reverb );
}
/*---------------------------------------------------------------------
Function: FX_GetMaxReverbDelay
Returns the maximum delay time for reverb.
---------------------------------------------------------------------*/
int FX_GetMaxReverbDelay
(
void
)
{
return MV_GetMaxReverbDelay();
}
/*---------------------------------------------------------------------
Function: FX_GetReverbDelay
Returns the current delay time for reverb.
---------------------------------------------------------------------*/
int FX_GetReverbDelay
(
void
)
{
return MV_GetReverbDelay();
}
/*---------------------------------------------------------------------
Function: FX_SetReverbDelay
Sets the delay level of reverb to add to mix.
---------------------------------------------------------------------*/
void FX_SetReverbDelay
(
int delay
)
{
MV_SetReverbDelay( delay );
}
/*---------------------------------------------------------------------
Function: FX_VoiceAvailable
Checks if a voice can be play at the specified priority.
---------------------------------------------------------------------*/
int FX_VoiceAvailable
(
int priority
)
{
return MV_VoiceAvailable( priority );
}
/*---------------------------------------------------------------------
Function: FX_EndLooping
Stops the voice associated with the specified handle from looping
without stoping the sound.
---------------------------------------------------------------------*/
int FX_EndLooping
(
int handle
)
{
int status;
status = MV_EndLooping( handle );
if ( status == MV_Error )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Warning;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_SetPan
Sets the stereo and mono volume level of the voice associated
with the specified handle.
---------------------------------------------------------------------*/
int FX_SetPan
(
int handle,
int vol,
int left,
int right
)
{
int status;
status = MV_SetPan( handle, vol, left, right );
if ( status == MV_Error )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Warning;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_SetPitch
Sets the pitch of the voice associated with the specified handle.
---------------------------------------------------------------------*/
int FX_SetPitch
(
int handle,
int pitchoffset
)
{
int status;
status = MV_SetPitch( handle, pitchoffset );
if ( status == MV_Error )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Warning;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_SetFrequency
Sets the frequency of the voice associated with the specified handle.
---------------------------------------------------------------------*/
int FX_SetFrequency
(
int handle,
int frequency
)
{
int status;
status = MV_SetFrequency( handle, frequency );
if ( status == MV_Error )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Warning;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_PlayVOC
Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/
int FX_PlayVOC
(
char *ptr,
int pitchoffset,
int vol,
int left,
int right,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayVOC( ptr, pitchoffset, vol, left, right,
priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_PlayLoopedVOC
Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/
int FX_PlayLoopedVOC
(
char *ptr,
long loopstart,
long loopend,
int pitchoffset,
int vol,
int left,
int right,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayLoopedVOC( ptr, loopstart, loopend, pitchoffset,
vol, left, right, priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_PlayWAV
Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/
int FX_PlayWAV
(
char *ptr,
int pitchoffset,
int vol,
int left,
int right,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayWAV( ptr, pitchoffset, vol, left, right,
priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_PlayWAV
Begin playback of sound data with the given volume and priority.
---------------------------------------------------------------------*/
int FX_PlayLoopedWAV
(
char *ptr,
long loopstart,
long loopend,
int pitchoffset,
int vol,
int left,
int right,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayLoopedWAV( ptr, loopstart, loopend,
pitchoffset, vol, left, right, priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_PlayVOC3D
Begin playback of sound data at specified angle and distance
from listener.
---------------------------------------------------------------------*/
int FX_PlayVOC3D
(
char *ptr,
int pitchoffset,
int angle,
int distance,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayVOC3D( ptr, pitchoffset, angle, distance,
priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_PlayWAV3D
Begin playback of sound data at specified angle and distance
from listener.
---------------------------------------------------------------------*/
int FX_PlayWAV3D
(
char *ptr,
int pitchoffset,
int angle,
int distance,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayWAV3D( ptr, pitchoffset, angle, distance,
priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_PlayRaw
Begin playback of raw sound data with the given volume and priority.
---------------------------------------------------------------------*/
int FX_PlayRaw
(
char *ptr,
unsigned long length,
unsigned rate,
int pitchoffset,
int vol,
int left,
int right,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayRaw( ptr, length, rate, pitchoffset,
vol, left, right, priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_PlayLoopedRaw
Begin playback of raw sound data with the given volume and priority.
---------------------------------------------------------------------*/
int FX_PlayLoopedRaw
(
char *ptr,
unsigned long length,
char *loopstart,
char *loopend,
unsigned rate,
int pitchoffset,
int vol,
int left,
int right,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_PlayLoopedRaw( ptr, length, loopstart, loopend,
rate, pitchoffset, vol, left, right, priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_Pan3D
Set the angle and distance from the listener of the voice associated
with the specified handle.
---------------------------------------------------------------------*/
int FX_Pan3D
(
int handle,
int angle,
int distance
)
{
int status;
status = MV_Pan3D( handle, angle, distance );
if ( status != MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Warning;
}
return( status );
}
/*---------------------------------------------------------------------
Function: FX_SoundActive
Tests if the specified sound is currently playing.
---------------------------------------------------------------------*/
int FX_SoundActive
(
int handle
)
{
return( MV_VoicePlaying( handle ) );
}
/*---------------------------------------------------------------------
Function: FX_SoundsPlaying
Reports the number of voices playing.
---------------------------------------------------------------------*/
int FX_SoundsPlaying
(
void
)
{
return( MV_VoicesPlaying() );
}
/*---------------------------------------------------------------------
Function: FX_StopSound
Halts playback of a specific voice
---------------------------------------------------------------------*/
int FX_StopSound
(
int handle
)
{
int status;
status = MV_Kill( handle );
if ( status != MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
return( FX_Warning );
}
return( FX_Ok );
}
/*---------------------------------------------------------------------
Function: FX_StopAllSounds
Halts playback of all sounds.
---------------------------------------------------------------------*/
int FX_StopAllSounds
(
void
)
{
int status;
status = MV_KillAllVoices();
if ( status != MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
return( FX_Warning );
}
return( FX_Ok );
}
/*---------------------------------------------------------------------
Function: FX_StartDemandFeedPlayback
Plays a digitized sound from a user controlled buffering system.
---------------------------------------------------------------------*/
int FX_StartDemandFeedPlayback
(
void ( *function )( char **ptr, unsigned long *length ),
int rate,
int pitchoffset,
int vol,
int left,
int right,
int priority,
unsigned long callbackval
)
{
int handle;
handle = MV_StartDemandFeedPlayback( function, rate,
pitchoffset, vol, left, right, priority, callbackval );
if ( handle < MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
handle = FX_Warning;
}
return( handle );
}
/*---------------------------------------------------------------------
Function: FX_StartRecording
Starts the sound recording engine.
---------------------------------------------------------------------*/
int FX_StartRecording
(
int MixRate,
void ( *function )( char *ptr, int length )
)
{
int status;
FX_SetErrorCode( FX_InvalidCard );
status = FX_Warning;
return( status );
}
/*---------------------------------------------------------------------
Function: FX_StopRecord
Stops the sound record engine.
---------------------------------------------------------------------*/
void FX_StopRecord
(
void
)
{
}