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sbiset.c
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C/C++ Source or Header
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1980-01-01
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4KB
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136 lines
/*
* sbiset.c
*
* Patch loader for the Linux Sound Driver and FM synth.
*
* Copyright by Hannu Savolainen 1993
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer. 2.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/* Heavily modified by Rob Hooft (hooft@chem.ruu.nl) */
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#ifdef __STDC__
#include <stdlib.h>
#else /* __STDC__ */
#include <getopt.h>
#endif /* __STDC__ */
struct sbi_instrument instr;
#define USAGE { fprintf(stderr,"usage: %s [-v] sbi_file...\n",argv[0]);\
exit(2); }
int main(int argc, char *argv[])
{
char buf[100];
int opt,offset;
extern int optind;
int verbose=0;
int dev, nrdevs;
struct synth_info info;
int l,i, fm, op, instrf;
if ((fm=open("/dev/sequencer", O_WRONLY, 0))==-1)
{
perror("/dev/sequencer");
exit(-1);
}
if (ioctl(fm, SNDCTL_SEQ_NRSYNTHS, &nrdevs) == -1)
{
perror("/dev/sequencer");
exit(-1);
}
dev = -1;
for (i=0;i<nrdevs && dev==-1;i++)
{
info.device = i;
if (ioctl(fm, SNDCTL_SYNTH_INFO, &info)==-1)
{
perror("info: /dev/sequencer");
exit(-1);
}
if (info.synth_type == SYNTH_TYPE_FM) dev = i;
}
if (dev == -1)
{
fprintf(stderr, "%s: FM synthesizer not detected\n", argv[0]);
exit(-1);
}
while ((opt = getopt(argc,argv,"v")) != -1) {
switch (opt) {
case 'v': verbose = 1; break;
default : USAGE;
}
}
if (argc == optind) USAGE;
offset=optind;
if (argc-offset>128) {
argc=128+offset;
fprintf(stderr,"Warning: Excess arguments ignored\n");
}
for (op=offset;op < argc;op++) {
if ((instrf=open(argv[op], O_RDONLY, 0))==-1) {
perror(argv[op]);
offset++;
} else if ((l=read(instrf, buf, 100))==-1) {
perror(argv[op]);
offset++;
} else if (buf[0]!='S' || buf[1]!='B' || buf[2]!='I') {
fprintf(stderr,"%s: Not SBI file\n",argv[op]);
offset++;
} else if (l<51) {
fprintf(stderr,"%s: Short file\n",argv[op]);
offset++;
} else {
instr.channel = op-offset;
instr.key = FM_PATCH;
instr.device = dev;
for (i=0;i<16;i++) {
instr.operators[i]=buf[i+0x24];
}
if (write(fm, &instr, sizeof(instr))==-1) perror("/dev/sequencer");
if (verbose) fprintf(stderr,"Loaded %d with %s\n",op-offset,argv[op]);
}
close(instrf);
}
if (verbose)
fprintf(stderr,"Initialised %d FM-instruments.\n",argc-offset);
if (offset == optind) exit(0); else exit(1);
}