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-rw-r--r--libkmid/gusout.cc691
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diff --git a/libkmid/gusout.cc b/libkmid/gusout.cc
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--- a/libkmid/gusout.cc
+++ /dev/null
@@ -1,691 +0,0 @@
-/**************************************************************************
-
- gusout.cc - class GUSOut which implements support for Gravis
- Ultrasound cards through a /dev/sequencer device
- This file is part of LibKMid 0.9.5
- Copyright (C) 1998,99,2000 Antonio Larrosa Jimenez
- LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library 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. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-
- Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org>
-
-***************************************************************************/
-#include "gusout.h"
-#include "sndcard.h"
-#include "midispec.h"
-#include "gusvoices.h"
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/param.h>
-#include <stdlib.h>
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-SEQ_USE_EXTBUF();
-
-#ifdef HAVE_OSS_SUPPORT
-struct pat_header
-{
- char magic[12];
- char version[10];
- char description[60];
- unsigned char instruments;
- char voices;
- char channels;
- unsigned short nr_waveforms;
- unsigned short master_volume;
- unsigned long data_size;
-};
-struct sample_header
-{
- char name[7];
- unsigned char fractions;
- long len;
- long loop_start;
- long loop_end;
- unsigned short base_freq;
- long low_note;
- long high_note;
- long base_note;
- short detune;
- unsigned char panning;
-
- unsigned char envelope_rate[6];
- unsigned char envelope_offset[6];
-
- unsigned char tremolo_sweep;
- unsigned char tremolo_rate;
- unsigned char tremolo_depth;
-
- unsigned char vibrato_sweep;
- unsigned char vibrato_rate;
- unsigned char vibrato_depth;
-
- char modes;
-
- short scale_frequency;
- unsigned short scale_factor;
-};
-
-int get_dint(unsigned char *p)
-{
- unsigned int v=0;
-
- for (int i=0;i<4;i++)
- {
- v |= (p[i] << (i*8));
- }
- return (int)v;
-}
-
-unsigned short get_word(unsigned char *p)
-{
- unsigned short v=0;
-
- for (int i=0;i<2;i++)
- v |= (*p++ << (i*8));
- return (short)v;
-}
-
-#endif
-
-GUSOut::GUSOut(int d,int total)
-{
- seqfd = -1;
- devicetype=KMID_GUS;
- device= d;
- _ok=1;
-
- use8bit=0;
- nvoices=total;
- vm=new VoiceManager(nvoices);
-}
-
-GUSOut::~GUSOut()
-{
- closeDev();
-
- delete vm;
- if (delete_GUS_patches_directory)
- {
- free((char *)GUS_patches_directory);
- delete_GUS_patches_directory = 0;
- GUS_patches_directory="/etc";
- }
-}
-
-void GUSOut::openDev (int sqfd)
-{
- _ok=1;
- seqfd = sqfd;
- //vm->clearLists();
- if (seqfd==-1)
- {
- printfdebug("ERROR: Could not open /dev/sequencer\n");
- return;
- }
-
-#ifdef HAVE_OSS_SUPPORT
-
- //seqbuf_clean();
- //ioctl(seqfd,SNDCTL_SEQ_RESET);
- //ioctl(seqfd,SNDCTL_SEQ_PANIC);
-
- if (ioctl(seqfd, SNDCTL_SEQ_RESETSAMPLES, &device)==-1)
- {
- printfdebug("Error reseting gus samples. Please report\n");
- };
- use8bit=0;
- totalmemory = device;
- ioctl(seqfd, SNDCTL_SYNTH_MEMAVL, &totalmemory);
- freememory = device;
- ioctl(seqfd, SNDCTL_SYNTH_MEMAVL, &freememory);
-
-#endif
-
-
-}
-
-void GUSOut::closeDev (void)
-{
- if (!ok()) return;
- vm->clearLists();
- //if (seqfd>=0)
- // close(seqfd);
- seqfd=-1;
-}
-
-void GUSOut::initDev (void)
-{
-#ifdef HAVE_OSS_SUPPORT
- int chn;
- if (!ok()) return;
- 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);
- }
-
-
- 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
-}
-
-
-int GUSOut::patch(int p)
-{
- if (patchloaded[p]==1) return p;
- printfdebug("Not loaded %d!\n",p);
- p=0;
- while ((p<256)&&(patchloaded[p]==0)) p++;
- return p;
-}
-
-void GUSOut::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]);
- }
-
- printfdebug("Note ON >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
-}
-
-void GUSOut::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 GUSOUTDEBUG
- printf("Note OFF >\t chn : %d\tnote : %d\tvel: %d\n",chn,note,vel);
-#endif
-}
-
-void GUSOut::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);
-}
-
-void GUSOut::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;
-
-}
-
-void GUSOut::chnPressure (uchar /*chn*/, uchar /*vel*/)
-{
- /* int i;
- vm->initSearch();
- while ((i=vm->search(chn))!=-1)
- SEQ_CHN_PRESSURE(device, i , vel);
- chnpressure[chn]=vel;
- */
-}
-
-void GUSOut::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]);
-}
-
-void GUSOut::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;
-}
-
-void GUSOut::sysex(uchar *, ulong )
-{
-
-}
-
-void GUSOut::setGUSPatchesDirectory(const char *dir)
-{
- if ((dir==NULL)||(dir[0]==0)) return;
- if (delete_GUS_patches_directory)
- free((char *)GUS_patches_directory);
-
- GUS_patches_directory = strdup(dir);
- delete_GUS_patches_directory=1;
-}
-
-const char *GUSOut::patchName(int pgm)
-{
- return GUS_voice_names[pgm];
-}
-
-
-int GUSOut::loadPatch(int pgm)
-{
-#ifdef HAVE_OSS_SUPPORT
- struct pat_header header;
- struct sample_header sample;
- if (patchloaded[pgm]==1)
- {
-#ifdef GUSOUTDEBUG
- printf("Trying to reload a patch. This should never happen, please report.\n");
-#endif
- return 0;
- }
- if ((patchName(pgm)==NULL)||((patchName(pgm))[0]==0))
- {
-#ifdef GUSOUTDEBUG
- printf("Couldn't guess patch name for patch number %d\n",pgm);
-#endif
- return -1;
- }
- char *s=new char[strlen(GUS_patches_directory)+strlen(patchName(pgm))+10];
- if (s==NULL) return -1;
- sprintf(s,"%s/%s.pat",GUS_patches_directory,patchName(pgm));
-#ifdef GUSOUTDEBUG
- printf("Loading patch : %s\n",s);
-#endif
- struct patch_info *patch=NULL;
- struct stat info;
- if (stat(s, &info)==-1)
- {
-#ifdef GUSOUTDEBUG
- printf("File %s doesn't exist\n",s);
-#endif
- return -1;
- }
-
- FILE *fh=fopen(s,"rb");
- if (fh==NULL)
- {
-#ifdef GUSOUTDEBUG
- printf("Couldn't open patch %s\n",s);
-#endif
- return -1;
- }
-
- unsigned char tmp[256];
- if (fread(tmp,1,0xef,fh)!=0xef)
- {
- fclose(fh);
-#ifdef GUSOUTDEBUG
- printf("Short file ! \n");
-#endif
- return -1;
- }
- memcpy ((char *) &header, tmp, sizeof (header));
-
- if (strncmp(header.magic,"GF1PATCH110",12)!=0)
- {
-#ifdef GUSOUTDEBUG
- printf("File %s is corrupted or it isn't a patch file\n",s);
-#endif
- return -1;
- }
- if (strncmp(header.version,"ID#000002",10)!=0)
- {
-#ifdef GUSOUTDEBUG
- printf("File %s's version is not supported\n",s);
-#endif
- return -1;
- }
- unsigned short nWaves= *(unsigned short *)&tmp[85];
-#ifdef GUSOUTDEBUG
- unsigned short masterVolume= *(unsigned short *)&tmp[87];
- printf("nWaves: %d\n",nWaves);
- printf("masterVolume : %d\n",masterVolume);
-#endif
-
- unsigned short i;
- int offset=0xef;
- for (i=0;i<nWaves;i++)
- {
- fseek(fh,offset,SEEK_SET);
-
- if (fread(tmp,1,sizeof(sample),fh) != sizeof(sample))
- {
- fclose(fh);
-#ifdef GUSOUTDEBUG
- printf("Short file\n");
-#endif
- return -1;
- }
- memcpy ((char *) &sample, tmp, sizeof (sample));
- sample.fractions = (char)tmp[7];
- sample.len = get_dint(&tmp[8]);
- sample.loop_start = get_dint(&tmp[12]);
- sample.loop_end = get_dint(&tmp[16]);
- sample.base_freq = get_word(&tmp[20]);
- sample.low_note = get_dint(&tmp[22]);
- sample.high_note = get_dint(&tmp[26]);
- sample.base_note = get_dint(&tmp[30]);
- sample.detune = (short)get_word(&tmp[34]);
- sample.panning = (unsigned char) tmp[36];
-
- memcpy (sample.envelope_rate, &tmp[37], 6);
- memcpy (sample.envelope_offset, &tmp[43], 6);
-
- sample.tremolo_sweep = (unsigned char) tmp[49];
- sample.tremolo_rate = (unsigned char) tmp[50];
- sample.tremolo_depth = (unsigned char) tmp[51];
-
- sample.vibrato_sweep = (unsigned char) tmp[52];
- sample.vibrato_rate = (unsigned char) tmp[53];
- sample.vibrato_depth = (unsigned char) tmp[54];
- sample.modes = (unsigned char) tmp[55];
- sample.scale_frequency = (short)get_word(&tmp[56]);
- sample.scale_factor = get_word(&tmp[58]);
-
- offset = offset + 96;
-
- patch = (struct patch_info *) malloc(sizeof (*patch) + sample.len);
- if (patch == NULL)
- {
-#ifdef GUSOUTDEBUG
- printf("Not enough memory\n");
-#endif
- return -1;
- }
- patch->key = GUS_PATCH;
- patch->device_no = device;
- patch->instr_no = pgm;
- patch->mode = sample.modes | WAVE_TREMOLO | WAVE_VIBRATO | WAVE_SCALE;
- patch->len = sample.len;
- patch->loop_start = sample.loop_start;
- patch->loop_end = sample.loop_end;
- patch->base_note = sample.base_note;
- patch->high_note = sample.high_note;
- patch->low_note = sample.low_note;
- patch->base_freq = sample.base_freq;
- patch->detuning = sample.detune;
- patch->panning = (sample.panning - 7) * 16;
-
- memcpy (patch->env_rate, sample.envelope_rate, 6);
- memcpy (patch->env_offset, sample.envelope_offset, 6);
-
- patch->tremolo_sweep = sample.tremolo_sweep;
- patch->tremolo_rate = sample.tremolo_rate;
- patch->tremolo_depth = sample.tremolo_depth;
-
- patch->vibrato_sweep = sample.vibrato_sweep;
- patch->vibrato_rate = sample.vibrato_rate;
- patch->vibrato_depth = sample.vibrato_depth;
-
- patch->scale_frequency = sample.scale_frequency;
- patch->scale_factor = sample.scale_factor;
-
- patch->volume = header.master_volume;
-
- if (fseek (fh, offset, 0) == -1)
- {
- fclose(fh);
- return -1;
- }
-
- if ((long)fread (patch->data, 1,sample.len,fh) != sample.len)
- {
-#ifdef GUSOUTDEBUG
- printf ("Short file\n");
-#endif
- return -1;
- }
-
- SEQ_WRPATCH (patch, sizeof (*patch) + sample.len);
-
- offset = offset + sample.len;
-
- }
- patchloaded[pgm]=1;
-
- fclose(fh);
- free(patch); // Shouldn't this 'free' be within the 'for' loop ?
- delete s;
- freememory = device;
- ioctl(seqfd, SNDCTL_SYNTH_MEMAVL, &freememory);
-#endif
- return 0;
-}
-
-
-void GUSOut::setPatchesToUse(int *patchesused)
-{
-#ifdef HAVE_OSS_SUPPORT
- int k;
- for (k=0;k<256;k++) patchloaded[k]=0;
-
- int patchesordered[256]; //This holds the pgm used ordered by a method which
- // put first the patches more oftenly used, and then the least
- // In example, if a song only uses a piano and a splash cymbal,
- // This is set to : 0,188,-1,-1,-1,-1 ...
- patchesLoadingOrder(patchesused,patchesordered);
-
- // If above line doesn't work, perhaps you could try this ? :
- // for (int j=0;j<256;j++) patchesordered[j]=patchesused[j];
-#ifdef GUSOUTDEBUG
- printf("Patches used : \n");
- for (k=0;k<256;k++)
- {
- if (patchesused[k]!=-1) printf("%d,",patchesused[k]);
- }
- printf("\n Patches used, sorted :\n");
- for (k=0;k<256;k++)
- {
- if (patchesordered[k]!=-1) printf("%d,",patchesordered[k]);
- }
-#endif
-
- int i=0;
- while (patchesordered[i]!=-1)
- {
-#ifdef GUSOUTDEBUG
- printf("Load Patch : %d\n",patchesordered[i]);
-#endif
- loadPatch(patchesordered[i]);
- i++;
- }
-#endif
-}
-
-int compare_decreasing(const void *a,const void *b)
-{
- struct instr_gm
- {
- int used;
- int pgm;
- };
- instr_gm *ai=(instr_gm *)a;
- instr_gm *bi=(instr_gm *)b;
- return ai->used<bi->used;
-}
-
-
-void GUSOut::patchesLoadingOrder(int *patchesused,int *patchesordered)
-{
- struct instr_gm
- {
- int used;
- int pgm;
- };
-
- instr_gm tempmelody[128];
- instr_gm tempdrums[128];
- int i,j;
- for (i=0,j=128;i<128;i++,j++)
- {
- tempmelody[i].used=patchesused[i];
- tempmelody[i].pgm=i;
- tempdrums[i].used=patchesused[j];
- tempdrums[i].pgm=j;
- }
- /* SORT */ // Decreasing order (first most used patch, then less used patch)
- qsort(&tempmelody[0],128,sizeof(instr_gm),compare_decreasing);
- qsort(&tempdrums[0],128,sizeof(instr_gm),compare_decreasing);
-
- /* Once they are sorted, the result is put on patchesordered in the following
- * way : If tempmelody is : M0 M1 M2 M3 ... M127 and tempdrums is :
- * D0 D1 D2 D3 ... D127, the result is :
- * M0 D0 M1 M2 D1 M3 M4 D2 M5 M6 D3 ...
- * P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 ...
- */
-
-#ifdef GUSOUTDEBUG
- for (int k=0;k<128;k++)
- {
- printf("%d - %d\n",tempmelody[k].used,tempmelody[k].pgm);
- }
- for (int k=0;k<128;k++)
- {
- printf("%d : %d\n",tempdrums[k].used,tempdrums[k].pgm);
- }
-#endif
-
- i=0;
- int totalmelody=0;
- while ((i<128)&&(tempmelody[i].used!=0))
- {
- totalmelody++;
- i++;
- }
- i=0;
- int totaldrums=0;
- while ((i<128)&&(tempdrums[i].used!=0))
- {
- totaldrums++;
- i++;
- }
-#ifdef GUSOUTDEBUG
- printf("Totalmelody : %d,totaldrums : %d\n",totalmelody,totaldrums);
-#endif
- int tgt=0;
-
- int tm=totalmelody;
- int td=totaldrums;
- int cm,cd;
- cm=cd=0;
- if ((tm!=0)&&(td!=0))
- {
- patchesordered[0]=tempmelody[0].pgm;
- patchesordered[1]=tempdrums[0].pgm;
- tm--;td--;
- cm++;cd++;
- tgt+=2;
- while ((tm>0)&&(td>0))
- {
- if (((tgt-1)%3)==0)
- {
- patchesordered[tgt]=tempdrums[cd].pgm;
- cd++;
- td--;
- }
- else
- {
- patchesordered[tgt]=tempmelody[cm].pgm;
- cm++;
- tm--;
- }
- tgt++;
- }
- }
- while (tm>0)
- {
- patchesordered[tgt]=tempmelody[cm].pgm;
- tgt++;
- cm++;
- tm--;
- }
- while (td>0)
- {
- patchesordered[tgt]=tempdrums[cd].pgm;
- tgt++;
- cd++;
- td--;
- }
-
- // Now we put as not used (-1) the rest of the array
- while (tgt<256)
- {
- patchesordered[tgt]=-1;
- tgt++;
- }
-}
-
-//char *GUSOut::GUS_patches_directory="/mnt/dosc/gravis/patches";
-const char *GUSOut::GUS_patches_directory="/usr/share/ultrasnd";
-
-int GUSOut::delete_GUS_patches_directory = 0;
-/* No, this doesn't delete any file :-) it's just for internal use */
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-29 16:53:44 +0000