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 );
}
int FX_Shutdown
(
void
)
{
int status;
if ( !FX_Installed )
{
return( FX_Ok );
}
status = MV_Shutdown();
if ( status != MV_Ok )
{
FX_SetErrorCode( FX_MultiVocError );
status = FX_Error;
}
FX_Installed = FALSE;
return( status );
}
int32_t MV_Init(int32_t soundcard, int32_t MixRate, int32_t Voices, int32_t numchannels, void *initdata)
{
if (MV_Installed)
MV_Shutdown();
MV_SetErrorCode(MV_Ok);
// MV_TotalMemory + 2: FIXME, see valgrind_errors.log
int const totalmem = Voices * sizeof(VoiceNode) + MV_TOTALBUFFERSIZE + 2;
#ifdef _3DS
char *ptr = (char *) linearAlloc( totalmem);
#else
char *ptr = (char *) Xaligned_alloc(16, totalmem);
#endif
if (!ptr)
{
MV_SetErrorCode(MV_NoMem);
return MV_Error;
}
Bmemset(ptr, 0, totalmem);
MV_Voices = (VoiceNode *)ptr;
ptr += Voices * sizeof(VoiceNode);
// Set number of voices before calculating volume table
MV_MaxVoices = Voices;
LL_Reset((VoiceNode*) &VoiceList, next, prev);
LL_Reset((VoiceNode*) &VoicePool, next, prev);
for (int index = 0; index < Voices; index++)
{
LL_Add((VoiceNode*) &VoicePool, &MV_Voices[ index ], next, prev);
}
MV_SetReverseStereo(FALSE);
ASS_SoundDriver = soundcard;
// Initialize the sound card
if (SoundDriver_Init(&MixRate, &numchannels, initdata) != MV_Ok)
MV_SetErrorCode(MV_DriverError);
if (MV_ErrorCode != MV_Ok)
{
ALIGNED_FREE_AND_NULL(MV_Voices);
return MV_Error;
}
MV_Installed = TRUE;
MV_CallBackFunc = NULL;
MV_ReverbLevel = 0;
MV_ReverbTable = NULL;
// Set the sampling rate
MV_MixRate = MixRate;
// Set Mixer to play stereo digitized sound
MV_SetMixMode(numchannels);
MV_ReverbDelay = MV_BufferSize * 3;
// Make sure we don't cross a physical page
MV_MixBuffer[ MV_NumberOfBuffers ] = ptr;
for (int buffer = 0; buffer < MV_NumberOfBuffers; buffer++)
{
MV_MixBuffer[ buffer ] = ptr;
ptr += MV_BufferSize;
}
// Calculate pan table
MV_CalcPanTable();
MV_SetVolume(MV_MAXTOTALVOLUME);
// Start the playback engine
if (MV_StartPlayback() != MV_Ok)
{
// Preserve error code while we shutdown.
int status = MV_ErrorCode;
MV_Shutdown();
MV_SetErrorCode(status);
return MV_Error;
}
return MV_Ok;
}
