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kdelibs'FMOut (./kdelibs/libkmid/fmout.h:43)
class FMOut : public MidiOut
{
private:
class FMOutPrivate;
FMOutPrivate *di;
int patchloaded[256];
/**
* Takes a value of 2 or 3, for FM or OPL3 support
*/
int opl;
int nvoices;
VoiceManager *vm;
void modifyPatch(char *buf, int key);
void loadFMPatches (void);
public:
/**
* Constructor. See @ref MidiOut::MidiOut() for more information.
*/
FMOut ( int d=0, int total =12 );
/**
* Destructor.
*/
~FMOut ();
/**
* See @ref MidiOut::openDev()
*/
virtual void openDev ( int sqfd );
/**
* See @ref MidiOut::closeDev()
*/
virtual void closeDev ( void );
/**
* See @ref MidiOut::initDev()
*/
virtual void initDev ( void );
/**
* See @ref MidiOut::noteOn()
*/
virtual void noteOn ( uchar chn, uchar note, uchar vel );
/**
* See @ref MidiOut::noteOff()
*/
virtual void noteOff ( uchar chn, uchar note, uchar vel );
/**
* See @ref MidiOut::keyPressure()
*/
virtual void keyPressure ( uchar chn, uchar note, uchar vel );
/**
* See @ref MidiOut::chnPatchChange()
*/
virtual void chnPatchChange ( uchar chn, uchar patch );
/**
* See @ref MidiOut::chnPressure()
*/
virtual void chnPressure ( uchar chn, uchar vel );
/**
* See @ref MidiOut::chnPitchBender()
*/
virtual void chnPitchBender ( uchar chn, uchar lsb, uchar msb );
/**
* See @ref MidiOut::chnController()
*/
virtual void chnController ( uchar chn, uchar ctl , uchar v );
/**
* It's an empty function, as FM devices don't support System Exclusive
* messages
*/
virtual void sysex ( uchar *data,ulong size);
/**
* See @ref MidiOut::setVolumePercentage()
*/
virtual void setVolumePercentage ( int i );
/**
* Returns @p p if the patch p has been loaded, or another patch (already loaded)
* if @p p hasn't been loaded.
*/
int patch(int p);
private:
static const char *FMPatchesDirectory;
static int deleteFMPatchesDirectory;
public:
/**
* Sets the directory where the FM patches are stored, that is, where the
* std.o3, std.sb, drums.o3 and drums.sb files can be found.
*
* It will store a copy of the parameter, so you should delete the memory
* used by the parameter you passed.
*/
static void setFMPatchesDirectory(const char *dir);
};
kdelibs'FMOut::FMOut() (./kdelibs/libkmid/fmout.cc:44)
FMOut::FMOut( int d, int total )
{
seqfd = -1;
devicetype = KMID_FM;
device = d;
#ifdef HANDLETIMEINDEVICES
count = 0.0;
lastcount = 0.0;
rate = 100;
#endif
_ok = 1;
// Put opl=3 for opl/3 (better quality/ 6 voices)
// or opl=2 for fm output (less quality/ 18 voices, which is better imho) :
opl = 2;
// But be aware that opl=3 is not intended to be fully supported by now
nvoices = total;
vm = new VoiceManager (nvoices);
}
kdelibs'FMOut::~FMOut() (./kdelibs/libkmid/fmout.cc:64)
FMOut::~FMOut()
{
delete map;
closeDev();
if (deleteFMPatchesDirectory)
{
delete FMPatchesDirectory;
deleteFMPatchesDirectory = 0;
FMPatchesDirectory="/etc";
}
}
kdelibs'FMOut::openDev() (./kdelibs/libkmid/fmout.cc:76)
void FMOut::openDev (int sqfd)
{
#ifdef HAVE_OSS_SUPPORT
_ok=1;
seqfd = sqfd;
//vm->clearLists();
if ( seqfd == -1 )
{
printfdebug("ERROR: Could not open /dev/sequencer\n");
return;
}
#ifdef HANDLETIMEINDEVICES
ioctl( seqfd, SNDCTL_SEQ_NRSYNTHS, &ndevs);
ioctl( seqfd, SNDCTL_SEQ_NRMIDIS, &nmidiports);
rate = 0;
int r = ioctl( seqfd, SNDCTL_SEQ_CTRLRATE, &rate);
if ( ( r == -1 ) || ( rate <= 0 ) ) rate = HZ;
convertrate = 1000/rate;
count = 0.0;
lastcount = 0.0;
#endif
//seqbufClean();
//ioctl(seqfd,SNDCTL_SEQ_RESET);
//ioctl(seqfd,SNDCTL_SEQ_PANIC);
loadFMPatches();
#endif
}
kdelibs'FMOut::closeDev() (./kdelibs/libkmid/fmout.cc:109)
void FMOut::closeDev (void)
{
if (!ok()) return;
#ifdef HANDLETIMEINDEVICES
SEQ_STOP_TIMER();
SEQ_DUMPBUF();
#endif
vm->clearLists();
//if (seqfd>=0) close(seqfd);
seqfd = -1;
}
kdelibs'FMOut::initDev() (./kdelibs/libkmid/fmout.cc:121)
void FMOut::initDev (void)
{
#ifdef HAVE_OSS_SUPPORT
int chn;
if (!ok()) return;
#ifdef HANDLETIMEINDEVICES
count=0.0;
lastcount=0.0;
#endif
uchar gm_reset[5]={0x7e, 0x7f, 0x09, 0x01, 0xf7};
sysex(gm_reset, sizeof(gm_reset));
for (chn=0;chn<16;chn++)
{
chnmute[chn]=0;
chnPatchChange(chn,0);
chnPressure(chn,127);
chnPitchBender(chn, 0x00, 0x40);
chnController(chn, CTL_MAIN_VOLUME,127);
chnController(chn, CTL_EXT_EFF_DEPTH, 0);
chnController(chn, CTL_CHORUS_DEPTH, 0);
chnController(chn, 0x4a, 127);
}
if (opl==3) ioctl(seqfd, SNDCTL_FM_4OP_ENABLE, &device);
SEQ_VOLUME_MODE(device,VOL_METHOD_LINEAR);
for (int i = 0; i < nvoices; i++)
{
SEQ_CONTROL(device, i, SEQ_VOLMODE, VOL_METHOD_LINEAR);
SEQ_STOP_NOTE(device, i, vm->note(i), 64);
}
#endif
}
kdelibs'FMOut::loadFMPatches() (./kdelibs/libkmid/fmout.cc:155)
void FMOut::loadFMPatches(void)
{
#ifdef HAVE_OSS_SUPPORT
char patchesfile[120];
char drumsfile[120];
int size;
struct sbi_instrument instr;
char tmp[60];
int i,j;
for ( i=0; i<256; i++ )
patchloaded[i] = 0;
int stereoeffect=rand()%3;
FILE *fh;
int datasize;
if (opl==3)
{
sprintf(patchesfile,"%s/std.o3",FMPatchesDirectory);
size=60;
}
else
{
sprintf(patchesfile,"%s/std.sb",FMPatchesDirectory);
size=52;
}
fh=fopen(patchesfile,"rb");
if (fh==NULL) return;
for (i=0;i<128;i++)
{
fread(tmp,size,1,fh);
patchloaded[i]=1;
instr.key = ((strncmp(tmp, "4OP", 3) == 0))? OPL3_PATCH : FM_PATCH;
datasize = (strncmp(tmp, "4OP", 3) == 0)? 22 : 11;
instr.device=device;
instr.channel = i;
// Let's get some stereo effect ...
tmp[46] = (tmp[46] & 0xcf) | ((++stereoeffect)<<4);
stereoeffect=stereoeffect%3;
for (j=0; j<22; j++)
instr.operators[j] = tmp[j+36];
SEQ_WRPATCH(&instr,sizeof(instr));
}
fclose(fh);
if (opl==3)
{
sprintf(drumsfile,"%s/drums.o3",FMPatchesDirectory);
}
else
{
sprintf(drumsfile,"%s/drums.sb",FMPatchesDirectory);
}
fh=fopen(drumsfile,"rb");
if (fh==NULL) return;
for (i=128;i<175;i++)
{
fread(tmp,size,1,fh);
patchloaded[i]=1;
instr.key = (strncmp(tmp, "4OP", 3) == 0)? OPL3_PATCH : FM_PATCH;
datasize = (strncmp(tmp, "4OP", 3) == 0)? 22 : 11;
instr.device=device;
instr.channel = i;
// Let's get some stereo effect ...
tmp[46] = (tmp[46] & 0xcf) | ((++stereoeffect)<<4);
stereoeffect=stereoeffect%3;
for (j=0; j<22; j++)
instr.operators[j] = tmp[j+36];
SEQ_WRPATCH(&instr,sizeof(instr));
}
fclose(fh);
#ifdef FMOUTDEBUG
printfdebug("Patches loaded\n");
#endif
#endif
}
kdelibs'FMOut::patch() (./kdelibs/libkmid/fmout.cc:235)
int FMOut::patch(int p)
{
if (patchloaded[p]==1) return p;
#ifdef FMOUTDEBUG
printfdebug("Not loaded %d!\n",p);
#endif
p=0;
while ((p<256)&&(patchloaded[p]==0)) p++;
return p;
}
kdelibs'FMOut::noteOn() (./kdelibs/libkmid/fmout.cc:246)
void FMOut::noteOn (uchar chn, uchar note, uchar vel)
{
if (vel==0)
{
noteOff(chn,note,vel);
}
else
{
if (chn==PERCUSSION_CHANNEL)
{
if (patchloaded[note+128]==0) return;
else
if (patchloaded[chnpatch[chn]]==0) return;
}
int v=vm->allocateVoice(chn,note);
int p;
if (chn==PERCUSSION_CHANNEL)
SEQ_SET_PATCH(device,v ,p=patch(note+128))
else
SEQ_SET_PATCH(device,v ,p=map->patch(chn,chnpatch[chn]));
SEQ_BENDER(device, v, chnbender[chn]);
SEQ_START_NOTE(device, v, note, vel);
// SEQ_CONTROL(device, v, CTL_MAIN_VOLUME, chncontroller[chn][CTL_MAIN_VOLUME]);
SEQ_CHN_PRESSURE(device, v , chnpressure[chn]);
}
#ifdef FMOUTDEBUG
printfdebug("Note ON >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
#endif
}
kdelibs'FMOut::noteOff() (./kdelibs/libkmid/fmout.cc:279)
void FMOut::noteOff (uchar chn, uchar note, uchar vel)
{
int i;
vm->initSearch();
while ((i=vm->search(chn,note))!=-1)
{
SEQ_STOP_NOTE(device, i, note, vel);
vm->deallocateVoice(i);
}
#ifdef FMOUTDEBUG
printfdebug("Note OFF >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
#endif
}
kdelibs'FMOut::keyPressure() (./kdelibs/libkmid/fmout.cc:294)
void FMOut::keyPressure (uchar chn, uchar note, uchar vel)
{
int i;
vm->initSearch();
while ((i=vm->search(chn,note))!=-1)
SEQ_KEY_PRESSURE(device, i, note,vel);
}
kdelibs'FMOut::chnPatchChange() (./kdelibs/libkmid/fmout.cc:302)
void FMOut::chnPatchChange (uchar chn, uchar patch)
{
if (chn==PERCUSSION_CHANNEL) return;
int i;
vm->initSearch();
while ((i=vm->search(chn))!=-1)
SEQ_SET_PATCH(device,i,map->patch(chn,patch));
chnpatch[chn]=patch;
}
kdelibs'FMOut::chnPressure() (./kdelibs/libkmid/fmout.cc:313)
void FMOut::chnPressure (uchar chn, uchar vel)
{
int i;
vm->initSearch();
while ((i=vm->search(chn))!=-1)
SEQ_CHN_PRESSURE(device, i , vel);
chnpressure[chn]=vel;
}
kdelibs'FMOut::chnPitchBender() (./kdelibs/libkmid/fmout.cc:323)
void FMOut::chnPitchBender(uchar chn,uchar lsb, uchar msb)
{
chnbender[chn]=((int)msb<<7) | (lsb & 0x7F);
int i;
vm->initSearch();
while ((i=vm->search(chn))!=-1)
SEQ_BENDER(device, i, chnbender[chn]);
}
kdelibs'FMOut::chnController() (./kdelibs/libkmid/fmout.cc:334)
void FMOut::chnController (uchar chn, uchar ctl, uchar v)
{
if ((ctl==11)||(ctl==7))
{
v=(v*volumepercentage)/100;
if (v>127) v=127;
}
int i;
vm->initSearch();
while ((i=vm->search(chn))!=-1)
SEQ_CONTROL(device, i, ctl, v);
chncontroller[chn][ctl]=v;
}
kdelibs'FMOut::sysex() (./kdelibs/libkmid/fmout.cc:349)
void FMOut::sysex(uchar *, ulong )
{
}
kdelibs'FMOut::setFMPatchesDirectory() (./kdelibs/libkmid/fmout.cc:354)
void FMOut::setFMPatchesDirectory(const char *dir)
{
if ((dir==NULL)||(dir[0]==0)) return;
if (deleteFMPatchesDirectory) delete FMPatchesDirectory;
char *FMPatchesDirectory2=new char[strlen(dir)+1];
strcpy(FMPatchesDirectory2,dir);
FMPatchesDirectory = FMPatchesDirectory2;
deleteFMPatchesDirectory=1;
}
kdelibs'FMOut::setVolumePercentage() (./kdelibs/libkmid/fmout.cc:364)
void FMOut::setVolumePercentage ( int i )
{
#ifdef HAVE_OSS_SUPPORT
int fd=open("/dev/mixer0",O_RDWR,0);
if (fd==-1) return;
int a=i*255/100;
if (a>255) a=255;
a=(a<<8) | a;
if (ioctl(fd,MIXER_WRITE(SOUND_MIXER_SYNTH),&a) == -1)
printfdebug("ERROR writing to mixer\n");
close(fd);
#endif
volumepercentage=i;
}