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/* Buzz Machine Loader
* Copyright (C) 2009 Buzztrax team <buzztrax-devel@buzztrax.org>
*
* 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; if not, see <http://www.gnu.org/licenses/>.
*/
int bml(test_process(char *libpath,const char *infilename,const char *outfilename)) {
int okay=0;
// buzz machine handle
void *bmh,*bm;
/*
{
fpu_control_t cw=0x27F;
//_FPU_GETCW(cw);
//cw&=~_FPU_EXTENDED;
//cw|=_FPU_DOUBLE;
_FPU_SETCW(cw);
}
*/
printf("%s(\"%s\")\n",__FUNCTION__,libpath);
if((bmh=bml(open(libpath)))) {
if((bm=bml(new(bmh)))) {
FILE *infile,*outfile;
int s_size=BUFFER_SIZE,i_size,o_size,r_size;
short int buffer_w[BUFFER_SIZE*2];
float buffer_fm[BUFFER_SIZE],buffer_fs[BUFFER_SIZE*2],*buffer_f;
int i,mtype,mflags,tracks;
//int ival=0,oval,vs=10;
const char *type_name[3]={"","generator","effect"};
int nan=0,inf=0,den=0;
int clipped=0;
float ma=0.0;
int mode=3/*WM_READWRITE*/;
int triggered=TRUE;
puts(" windows machine created");
bml(init(bm,0,NULL));
bml(get_machine_info(bmh,BM_PROP_TYPE,&mtype));
bml(get_machine_info(bmh,BM_PROP_FLAGS,&mflags));
printf(" %s initialized\n",type_name[mtype]);
bml(get_machine_info(bmh,BM_PROP_MIN_TRACKS,(void *)&tracks));
if(tracks) {
bml(set_num_tracks(bm,tracks));
printf(" activated %d tracks\n",tracks);
}
//bml(stop(bm));
//bml(attributes_changed(bm));
// open raw files
infile=fopen(infilename,"rb");
outfile=fopen(outfilename,"wb");
if(infile && outfile) {
printf(" processing ");
if(mtype==1) {
int num,ptype,pflags,pmaval;
// trigger a note for generators
bml(get_machine_info(bmh,BM_PROP_NUM_GLOBAL_PARAMS,&num));
// set value for trigger parameter(s)
for(i=0;i<num;i++) {
bml(get_global_parameter_info(bmh,i,BM_PARA_FLAGS,(void *)&pflags));
if(!(pflags&2)) {
bml(get_global_parameter_info(bmh,i,BM_PARA_TYPE,(void *)&ptype));
switch(ptype) {
case 0: // note
bml(set_global_parameter_value(bm,i,32));
puts(" triggered global note");
break;
case 1: // switch
bml(set_global_parameter_value(bm,i,1));
puts(" triggered global switch");
break;
case 2: // byte
case 3: // word
bml(get_global_parameter_info(bmh,i,BM_PARA_NO_VALUE,(void *)&pmaval));
bml(set_global_parameter_value(bm,i,pmaval));
break;
}
}
}
if(tracks) {
bml(get_machine_info(bmh,BM_PROP_NUM_TRACK_PARAMS,&num));
for(i=0;i<num;i++) {
bml(get_track_parameter_info(bmh,i,BM_PARA_FLAGS,(void *)&pflags));
if(!(pflags&2)) {
bml(get_track_parameter_info(bmh,i,BM_PARA_TYPE,(void *)&ptype));
switch(ptype) {
case 0: // note
bml(set_track_parameter_value(bm,0,i,32));
puts(" triggered voice note");
break;
case 1: // switch
bml(set_track_parameter_value(bm,0,i,1));
puts(" triggered voice switch");
break;
case 2: // byte
case 3: // word
bml(get_track_parameter_info(bmh,i,BM_PARA_NO_VALUE,(void *)&pmaval));
bml(set_track_parameter_value(bm,0,i,pmaval));
break;
}
}
}
}
mode=2/*WM_WRITE*/;
}
if((mflags&1)==0) { // MIF_MONO_TO_STEREO
buffer_f=buffer_fm;
}
else {
buffer_f=buffer_fs;
}
while(!feof(infile)) {
// change a parameter
// assumes the first param is of pt_word type
//bm_set_global_parameter_value(bm,0,ival);
//oval=bm_get_global_parameter_value(bm,0);printf(" Value: %d\n",oval);
//ival+=vs;
//if(((vs>0) && (ival==1000)) || ((vs<0) && (ival==0))) vs=-vs;
printf(".");
// set GlobalVals, TrackVals
bml(tick(bm));
i_size=fread(buffer_w,2,s_size,infile);
if(i_size) {
// generators get silence, effects get the input
if(mtype==1) {
for(i=0;i<i_size;i++) buffer_fm[i]=0.0;
}
else {
for(i=0;i<i_size;i++) buffer_fm[i]=(float)buffer_w[i];
}
if((mflags&1)==0) { // MIF_MONO_TO_STEREO
bml(work(bm,buffer_fm,i_size,mode));
o_size=i_size;
}
else {
bml(work_m2s(bm,buffer_fm,buffer_fs,i_size,mode));
o_size=i_size*2;
}
for(i=0;i<o_size;i++) {
if(isnan(buffer_f[i])) nan=1;
if(isinf(buffer_f[i])) inf=1;
if(fpclassify(buffer_f[i])==FP_SUBNORMAL) den=1;
if(fabs(buffer_f[i])>ma) ma=buffer_f[i];
if(buffer_f[i]>32767) {
buffer_w[i]=32767;
clipped++;
}
else if(buffer_f[i]<-32768) {
buffer_w[i]=-32768;
clipped++;
}
else {
buffer_w[i]=(short int)(buffer_f[i]);
}
}
if((r_size=fwrite(buffer_w,2,o_size,outfile))<o_size)
break;
}
// reset trigger
if((mtype==1) && triggered) {
int num,ptype,pflags,pnoval;
// trigger a note for generators
bml(get_machine_info(bmh,BM_PROP_NUM_GLOBAL_PARAMS,&num));
// set value for trigger parameter(s)
for(i=0;i<num;i++) {
bml(get_global_parameter_info(bmh,i,BM_PARA_FLAGS,(void *)&pflags));
if(!(pflags&2)) {
bml(get_global_parameter_info(bmh,i,BM_PARA_TYPE,(void *)&ptype));
switch(ptype) {
case 0: // note
bml(set_global_parameter_value(bm,i,0));
puts(" triggered global note");
break;
case 1: // switch
bml(set_global_parameter_value(bm,i,255));
puts(" triggered global switch");
break;
case 2: // byte
case 3: // word
bml(get_global_parameter_info(bmh,i,BM_PARA_NO_VALUE,(void *)&pnoval));
bml(set_global_parameter_value(bm,i,pnoval));
break;
}
}
}
if(tracks) {
bml(get_machine_info(bmh,BM_PROP_NUM_TRACK_PARAMS,&num));
for(i=0;i<num;i++) {
bml(get_track_parameter_info(bmh,i,BM_PARA_FLAGS,(void *)&pflags));
if(!(pflags&2)) {
bml(get_track_parameter_info(bmh,i,BM_PARA_TYPE,(void *)&ptype));
switch(ptype) {
case 0: // note
bml(set_track_parameter_value(bm,0,i,0));
puts(" triggered voice note");
break;
case 1: // switch
bml(set_track_parameter_value(bm,0,i,255));
puts(" triggered voice switch");
break;
case 2: // byte
case 3: // word
bml(get_track_parameter_info(bmh,i,BM_PARA_NO_VALUE,(void *)&pnoval));
bml(set_track_parameter_value(bm,0,i,pnoval));
break;
}
}
}
}
triggered=FALSE;
}
}
//printf("\n");
}
else puts(" file error!");
bml(free(bm));
if(infile) fclose(infile);
if(outfile) fclose(outfile);
puts(" done");
if(nan) puts("some values are nan");
if(inf) puts("some values are inf");
if(den) puts("some values are denormal");
printf("Clipped: %d\n",clipped);
printf("MaxAmp: %f\n",ma);
okay=1;
}
bml(close(bmh));
}
return okay;
}
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