freebsd-dev/sys/i386/isa/sound/gustest/pmtest.c
David Greenman 3c4dd3568f Added $Id$
1994-08-02 07:55:43 +00:00

413 lines
9.6 KiB
C

/*
* $Id$
*/
/*
* CAUTION! This program is just an incompletely implemented version
* of the patch manager daemon for GUS. Using this program
* with the driver version 1.99.9 will hang your system
* completely (sooner or later).
*
* This program is for information only. The final
* implementation of the patch manager will not be
* compatible with this one.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <machine/ultrasound.h>
#include <strings.h>
#include <sys/errno.h>
#include "gmidi.h"
#ifndef PATCH_PATH
#define PATCH_PATH "/D/ultrasnd/midi"
#endif
char loadmap[256] =
{0}; /* 1 if the patch is already loaded */
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 seqfd = 0, gus_dev = -1;
struct patch_info *patch;
int
do_load_patch (struct patmgr_info *rec)
{
int i, patfd, pgm, print_only = 0;
struct pat_header header;
struct sample_header sample;
char buf[256];
char name[256];
long offset;
pgm = rec->data.data8[0];
if (loadmap[pgm])
return 0; /* Already loaded */
sprintf (name, PATCH_PATH "/%s.pat", patch_names[pgm]);
if ((patfd = open (name, O_RDONLY, 0)) == -1)
{
perror (name);
return errno;
}
if (read (patfd, buf, 0xef) != 0xef)
{
fprintf (stderr, "%s: Short file\n", name);
return EIO;
}
memcpy ((char *) &header, buf, sizeof (header));
if (strncmp (header.magic, "GF1PATCH110", 12))
{
fprintf (stderr, "%s: Not a patch file\n", name);
return EINVAL;
}
if (strncmp (header.version, "ID#000002", 10))
{
fprintf (stderr, "%s: Incompatible patch file version\n", name);
return EINVAL;
}
header.nr_waveforms = *(unsigned short *) &buf[85];
header.master_volume = *(unsigned short *) &buf[87];
printf ("GUS: Loading: %s\n", name);
offset = 0xef;
for (i = 0; i < header.nr_waveforms; i++)
{
if (lseek (patfd, offset, 0) == -1)
{
perror (name);
return errno;
}
if (read (patfd, &buf, sizeof (sample)) != sizeof (sample))
{
fprintf (stderr, "%s: Short file\n", name);
return EIO;
}
memcpy ((char *) &sample, buf, sizeof (sample));
/*
* Since some fields of the patch record are not 32bit aligned, we must
* handle them specially.
*/
sample.low_note = *(long *) &buf[22];
sample.high_note = *(long *) &buf[26];
sample.base_note = *(long *) &buf[30];
sample.detune = *(short *) &buf[34];
sample.panning = (unsigned char) buf[36];
memcpy (sample.envelope_rate, &buf[37], 6);
memcpy (sample.envelope_offset, &buf[43], 6);
sample.tremolo_sweep = (unsigned char) buf[49];
sample.tremolo_rate = (unsigned char) buf[50];
sample.tremolo_depth = (unsigned char) buf[51];
sample.vibrato_sweep = (unsigned char) buf[52];
sample.vibrato_rate = (unsigned char) buf[53];
sample.vibrato_depth = (unsigned char) buf[54];
sample.modes = (unsigned char) buf[55];
sample.scale_frequency = *(short *) &buf[56];
sample.scale_factor = *(unsigned short *) &buf[58];
if (print_only)
{
printf ("\nSample: %03d / %s\n", i, sample.name);
printf ("Len: %d, Loop start: %d, Loop end: %d\n", sample.len, sample.loop_start, sample.loop_end);
printf ("Flags: ");
if (sample.modes & WAVE_16_BITS)
printf ("16 bit ");
if (sample.modes & WAVE_UNSIGNED)
printf ("unsigned ");
if (sample.modes & WAVE_LOOP_BACK)
printf ("reverse ");
if (sample.modes & WAVE_BIDIR_LOOP)
printf ("bidir ");
if (sample.modes & WAVE_LOOPING)
printf ("looping ");
else
printf ("one_shot");
if (sample.modes & WAVE_SUSTAIN_ON)
printf ("sustain ");
if (sample.modes & WAVE_ENVELOPES)
printf ("enveloped ");
printf ("\n");
if (sample.modes & WAVE_ENVELOPES)
{
int i;
printf ("Envelope info: ");
for (i = 0; i < 6; i++)
{
printf ("%d/%d ", sample.envelope_rate[i],
sample.envelope_offset[i]);
}
printf ("\n");
}
printf ("Tremolo: sweep=%d, rate=%d, depth=%d\n",
sample.tremolo_sweep,
sample.tremolo_rate,
sample.tremolo_depth);
printf ("Vibrato: sweep=%d, rate=%d, depth=%d\n",
sample.vibrato_sweep,
sample.vibrato_rate,
sample.vibrato_depth);
}
offset = offset + 96;
patch = (struct patch_info *) malloc (sizeof (*patch) + sample.len);
patch->key = GUS_PATCH;
patch->device_no = gus_dev;
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 (lseek (patfd, offset, 0) == -1)
{
perror (name);
return errno;
}
if (!print_only)
{
if (read (patfd, patch->data, sample.len) != sample.len)
{
fprintf (stderr, "%s: Short file\n", name);
return EIO;
}
if (write (seqfd, patch, sizeof (*patch) + sample.len) == -1)
{
perror ("/dev/pmgr0");
return errno;
}
}
offset = offset + sample.len;
}
loadmap[pgm] = 1;
return 0;
}
int
main (int argc, char *argv[])
{
struct patmgr_info inf;
int err, i, n;
struct synth_info info;
if ((seqfd = open ("/dev/patmgr0", O_RDWR, 0)) == -1)
{
fprintf (stderr, "Cannot open\n");
perror ("/dev/patmgr0");
exit (-1);
}
if (ioctl (seqfd, SNDCTL_SEQ_NRSYNTHS, &n) == -1)
{
perror ("NRSYNTH: /dev/patmgr0");
exit (-1);
}
for (i = 0; i < n; i++)
{
info.device = i;
if (ioctl (seqfd, SNDCTL_SYNTH_INFO, &info) == -1)
{
perror ("SYNTH_INFO: /dev/patmgr0");
exit (-1);
}
if (info.synth_type == SYNTH_TYPE_SAMPLE
&& info.synth_subtype == SAMPLE_TYPE_GUS)
gus_dev = i;
}
if (gus_dev == -1)
{
fprintf (stderr, "Error: Gravis Ultrasound not detected\n");
exit (-1);
}
if (ioctl (seqfd, SNDCTL_SEQ_RESETSAMPLES, &gus_dev) == -1)
perror ("Sample reset");
for (i = 0; i < 256; i++)
loadmap[i] = 0;
while (1)
{
if (read (seqfd, (char *) &inf, sizeof (inf)) != sizeof (inf))
{
perror ("Read");
exit (-1);
}
if (inf.key == PM_K_EVENT)
switch (inf.command)
{
case PM_E_OPENED:
printf ("Opened\n");
break;
case PM_E_CLOSED:
printf ("Closed\n");
if (ioctl (seqfd, SNDCTL_SEQ_RESETSAMPLES, &gus_dev) == -1)
perror ("Sample reset");
for (i = 0; i < 256; i++)
loadmap[i] = 0;
break;
case PM_E_PATCH_RESET:
printf ("Patch reset called\n");
for (i = 0; i < 256; i++)
loadmap[i] = 0;
break;
case PM_E_PATCH_LOADED:
printf ("Patch loaded by client\n");
break;
default:
printf ("Unknown event %d\n", inf.command);
inf.key = PM_ERROR;
inf.parm1 = EINVAL;
}
else if (inf.key == PM_K_COMMAND)
switch (inf.command)
{
case _PM_LOAD_PATCH:
if ((err = do_load_patch (&inf)))
if (err == ENOSPC)
{
if (ioctl (seqfd, SNDCTL_SEQ_RESETSAMPLES, &gus_dev) == -1)
{
perror ("Sample reset");
return errno;
}
for (i = 0; i < 256; i++)
loadmap[i] = 0;
err = do_load_patch (&inf);
}
if (err)
{
inf.key = PM_ERROR;
inf.parm1 = err;
printf("Error = %d\n", err);
}
else
{
inf.key = PM_K_COMMAND;
inf.parm1 = 0;
}
break;
default:
printf ("Unknown command %d\n", inf.command);
inf.key = PM_ERROR;
inf.parm1 = EINVAL;
}
else
{
printf ("Unknown event %d/%d\n", inf.key, inf.command);
inf.key = PM_ERROR;
inf.parm1 = EINVAL;
}
if (write (seqfd, (char *) &inf, sizeof (inf)) != sizeof (inf))
{
perror ("write");
exit (-1);
}
}
exit (0);
}