/* Reset the driver using the new global variable settings.
If the driver has not been initialized, it will be now. */
static BOOL _mm_reset(CHAR *cmdline)
{
BOOL wasplaying = 0;
if(!initialized) return _mm_init(cmdline);
if (isplaying) {
wasplaying = 1;
md_driver->PlayStop();
}
if((!md_driver->Reset)||(md_device != olddevice)) {
/* md_driver->Reset was NULL, or md_device was changed, so do a full
reset of the driver. */
md_driver->Exit();
if(_mm_init(cmdline)) {
MikMod_Exit_internal();
if(_mm_errno)
if(_mm_errorhandler) _mm_errorhandler();
return 1;
}
} else {
if(md_driver->Reset()) {
MikMod_Exit_internal();
if(_mm_errno)
if(_mm_errorhandler) _mm_errorhandler();
return 1;
}
}
if (wasplaying) md_driver->PlayStart();
return 0;
}
static BOOL _mm_init(CHAR *cmdline)
{
UWORD t;
_mm_critical = 1;
/* if md_device==0, try to find a device number */
if(!md_device) {
cmdline=NULL;
for(t=1,md_driver=firstdriver;md_driver;md_driver=md_driver->next,t++)
if(md_driver->Version)
if(md_driver->IsPresent()) break;
if(!md_driver) {
_mm_errno = MMERR_DETECTING_DEVICE;
if(_mm_errorhandler) _mm_errorhandler();
md_driver = &drv_nos;
return 1;
}
md_device = t;
} else {
/* if n>0, use that driver */
for(t=1,md_driver=firstdriver;(md_driver)&&(t!=md_device);md_driver=md_driver->next)
if(md_driver->Version)
t++;
if(!md_driver) {
_mm_errno = MMERR_INVALID_DEVICE;
if(_mm_errorhandler) _mm_errorhandler();
md_driver = &drv_nos;
return 1;
}
/* arguments here might be necessary for the presence check to succeed */
if(cmdline&&(md_driver->CommandLine))
md_driver->CommandLine(cmdline);
if(!md_driver->IsPresent()) {
_mm_errno = MMERR_DETECTING_DEVICE;
if(_mm_errorhandler) _mm_errorhandler();
md_driver = &drv_nos;
return 1;
}
}
if(md_driver->Init()) {
md_driver->Exit();
MikMod_Exit_internal();
if(_mm_errorhandler) _mm_errorhandler();
return 1;
}
initialized=1;
_mm_critical=0;
return 0;
}
MIKMODAPI void MikMod_Exit(void)
{
MUTEX_LOCK(vars);
MUTEX_LOCK(lists);
MikMod_Exit_internal();
MUTEX_UNLOCK(lists);
MUTEX_UNLOCK(vars);
}
/* If either parameter is -1, the current set value will be retained. */
BOOL MikMod_SetNumVoices_internal(int music, int sfx)
{
BOOL resume = 0;
int t, oldchn = 0;
if((!music)&&(!sfx)) return 1;
_mm_critical = 1;
if(isplaying) {
MikMod_DisableOutput_internal();
oldchn = md_numchn;
resume = 1;
}
if(sfxinfo) free(sfxinfo);
if(md_sample) free(md_sample);
md_sample = NULL;
sfxinfo = NULL;
if(music!=-1) md_sngchn = music;
if(sfx!=-1) md_sfxchn = sfx;
md_numchn = md_sngchn + md_sfxchn;
LimitHardVoices(md_driver->HardVoiceLimit);
LimitSoftVoices(md_driver->SoftVoiceLimit);
if(md_driver->SetNumVoices()) {
MikMod_Exit_internal();
if(_mm_errno)
if(_mm_errorhandler!=NULL) _mm_errorhandler();
md_numchn = md_softchn = md_hardchn = md_sfxchn = md_sngchn = 0;
return 1;
}
if(md_sngchn+md_sfxchn)
md_sample=(SAMPLE**)_mm_calloc(md_sngchn+md_sfxchn,sizeof(SAMPLE*));
if(md_sfxchn)
sfxinfo = (UBYTE *)_mm_calloc(md_sfxchn,sizeof(UBYTE));
/* make sure the player doesn't start with garbage */
for(t=oldchn;t<md_numchn;t++) Voice_Stop_internal(t);
sfxpool = 0;
if(resume) MikMod_EnableOutput_internal();
_mm_critical = 0;
return 0;
}