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gzdoom-gles/libraries/timidityplus/instrum.cpp
Christoph Oelckers 7468c0f36d - consolidated the different file access interfaces in the backends into one shared version. 
This was getting a bit unwieldy. The include path setup is not perfect yet, that's work for later.
(It's about time we're getting C++20 with modules so that this include path madness can be put to an end.)
2019-09-28 23:17:16 +02:00

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/*
TiMidity++ -- MIDI to WAVE converter and player
Copyright (C) 1999-2004 Masanao Izumo <iz@onicos.co.jp>
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
instrum.c
Code to load and unload GUS-compatible instrument patches.
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include "../music_common/fileio.h"
#include "timidity.h"
#include "common.h"
#include "instrum.h"
#include "playmidi.h"
#include "resample.h"
#include "tables.h"
#include "filter.h"
#include "quantity.h"
#include "freq.h"
namespace TimidityPlus
{
Instruments::Instruments()
{
// init one-time global stuff - this should go to the device class once it exists.
initialize_resampler_coeffs();
init_tables();
memset(&standard_tonebank, 0, sizeof(standard_tonebank));
memset(&standard_drumset, 0, sizeof(standard_drumset));
memcpy(layer_items, static_layer_items, sizeof(layer_items));
}
bool Instruments::load(MusicIO::SoundFontReaderInterface *sf)
{
sfreader = sf;
if (read_config_file(nullptr, 0, 0) == RC_OK)
{
init_load_soundfont();
set_default_instrument();
return true;
}
return false;
}
Instruments::~Instruments()
{
free_instruments(0);
free_soundfonts();
free_tone_bank();
free_instrument_map();
if (sfreader != nullptr) delete sfreader;
}
void Instruments::free_instrument(Instrument *ip)
{
Sample *sp;
int i;
if (!ip) return;
for (i = 0; i<ip->samples; i++)
{
sp = &(ip->sample[i]);
if (sp->data_alloced)
free(sp->data);
}
free(ip->sample);
free(ip);
}
/* calculate ramp rate in fractional unit;
* diff = 8bit, time = msec
*/
int32_t Instruments::calc_rate_i(int diff, double msec)
{
double rate;
if(msec < 6)
msec = 6;
if(diff == 0)
diff = 255;
diff <<= (7+15);
rate = ((double)diff / playback_rate) * control_ratio * 1000.0 / msec;
if(fast_decay)
rate *= 2;
return (int32_t)rate;
}
/*End of Pseudo Reverb*/
void Instruments::clear_magic_instruments(void)
{
int i, j;
for (j = 0; j < 128 + map_bank_counter; j++)
{
if (tonebank[j])
{
ToneBank *bank = tonebank[j];
for (i = 0; i < 128; i++)
if (IS_MAGIC_INSTRUMENT(bank->tone[i].instrument))
bank->tone[i].instrument = NULL;
}
if (drumset[j])
{
ToneBank *bank = drumset[j];
for (i = 0; i < 128; i++)
if (IS_MAGIC_INSTRUMENT(bank->tone[i].instrument))
bank->tone[i].instrument = NULL;
}
}
}
int32_t Instruments::convert_envelope_rate(uint8_t rate)
{
const int32_t GUS_ENVRATE_MAX = (int32_t)(0x3FFFFFFF >> 9);
int32_t r;
r = 3 - ((rate >> 6) & 0x3);
r *= 3;
r = (int32_t)(rate & 0x3f) << r; /* 6.9 fixed point */
/* 15.15 fixed point. */
r = r * 44100 / playback_rate * control_ratio * (1 << fast_decay);
if (r > GUS_ENVRATE_MAX) { r = GUS_ENVRATE_MAX; }
return (r << 9);
}
int32_t Instruments::convert_envelope_offset(uint8_t offset)
{
/* This is not too good... Can anyone tell me what these values mean?
Are they GUS-style "exponential" volumes? And what does that mean? */
/* 15.15 fixed point */
return offset << (7 + 15);
}
int32_t Instruments::convert_tremolo_sweep(uint8_t sweep)
{
if (!sweep)
return 0;
return
((control_ratio * SWEEP_TUNING) << SWEEP_SHIFT) /
(playback_rate * sweep);
}
int32_t Instruments::convert_vibrato_sweep(uint8_t sweep, int32_t vib_control_ratio)
{
if (!sweep)
return 0;
return (int32_t)(TIM_FSCALE((double) (vib_control_ratio)
* SWEEP_TUNING, SWEEP_SHIFT)
/ (double)(playback_rate * sweep));
/* this was overflowing with seashore.pat
((vib_control_ratio * SWEEP_TUNING) << SWEEP_SHIFT) /
(playback_rate * sweep); */
}
int32_t Instruments::convert_tremolo_rate(uint8_t rate)
{
return
((SINE_CYCLE_LENGTH * control_ratio * rate) << RATE_SHIFT) /
(TREMOLO_RATE_TUNING * playback_rate);
}
int32_t Instruments::convert_vibrato_rate(uint8_t rate)
{
/* Return a suitable vibrato_control_ratio value */
return
(VIBRATO_RATE_TUNING * playback_rate) /
(rate * 2 * VIBRATO_SAMPLE_INCREMENTS);
}
void Instruments::reverse_data(int16_t *sp, int32_t ls, int32_t le)
{
int16_t s, *ep = sp + le;
int32_t i;
sp += ls;
le -= ls;
le /= 2;
for (i = 0; i < le; i++)
{
s = *sp;
*sp++ = *ep;
*ep-- = s;
}
}
int Instruments::name_hash(char *name)
{
unsigned int addr = 0;
while(*name)
addr += *name++;
return addr % INSTRUMENT_HASH_SIZE;
}
Instrument *Instruments::search_instrument_cache(char *name, int panning, int amp, int note_to_use, int strip_loop, int strip_envelope, int strip_tail)
{
struct InstrumentCache *p;
for (p = instrument_cache[name_hash(name)]; p != NULL; p = p->next)
{
if (strcmp(p->name, name) != 0)
return NULL;
if (p->panning == panning &&
p->amp == amp &&
p->note_to_use == note_to_use &&
p->strip_loop == strip_loop &&
p->strip_envelope == strip_envelope &&
p->strip_tail == strip_tail)
return p->ip;
}
return NULL;
}
void Instruments::store_instrument_cache(Instrument *ip, char *name, int panning, int amp, int note_to_use, int strip_loop, int strip_envelope, int strip_tail)
{
struct InstrumentCache *p;
int addr;
addr = name_hash(name);
p = (struct InstrumentCache *)safe_malloc(sizeof(struct InstrumentCache));
p->next = instrument_cache[addr];
instrument_cache[addr] = p;
p->name = name;
p->panning = panning;
p->amp = amp;
p->note_to_use = note_to_use;
p->strip_loop = strip_loop;
p->strip_envelope = strip_envelope;
p->strip_tail = strip_tail;
p->ip = ip;
}
static int32_t adjust_tune_freq(int32_t val, float tune)
{
if (! tune)
return val;
return val / pow(2.0, tune / 12.0);
}
static int16_t adjust_scale_tune(int16_t val)
{
return 1024 * (double) val / 100 + 0.5;
}
static int16_t adjust_fc(int16_t val)
{
if (val < 0 || val > playback_rate / 2) {
return 0;
} else {
return val;
}
}
static int16_t adjust_reso(int16_t val)
{
if (val < 0 || val > 960) {
return 0;
} else {
return val;
}
}
int32_t Instruments::to_rate(int rate)
{
return (rate) ? (int32_t) (0x200 * pow(2.0, rate / 17.0)
* 44100 / playback_rate * control_ratio) << fast_decay : 0;
}
void Instruments::apply_bank_parameter(Instrument *ip, ToneBankElement *tone)
{
int i, j;
Sample *sp;
if (tone->tunenum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->tunenum == 1) {
sp->low_freq = adjust_tune_freq(sp->low_freq, tone->tune[0]);
sp->high_freq = adjust_tune_freq(sp->high_freq, tone->tune[0]);
sp->root_freq = adjust_tune_freq(sp->root_freq, tone->tune[0]);
} else if (i < tone->tunenum) {
sp->low_freq = adjust_tune_freq(sp->low_freq, tone->tune[i]);
sp->high_freq = adjust_tune_freq(sp->high_freq, tone->tune[i]);
sp->root_freq = adjust_tune_freq(sp->root_freq, tone->tune[i]);
}
}
if (tone->envratenum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->envratenum == 1) {
for (j = 0; j < 6; j++)
if (tone->envrate[0][j] >= 0)
sp->envelope_rate[j] = to_rate(tone->envrate[0][j]);
} else if (i < tone->envratenum) {
for (j = 0; j < 6; j++)
if (tone->envrate[i][j] >= 0)
sp->envelope_rate[j] = to_rate(tone->envrate[i][j]);
}
}
if (tone->envofsnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->envofsnum == 1) {
for (j = 0; j < 6; j++)
if (tone->envofs[0][j] >= 0)
sp->envelope_offset[j] = to_offset_22(tone->envofs[0][j]);
} else if (i < tone->envofsnum) {
for (j = 0; j < 6; j++)
if (tone->envofs[i][j] >= 0)
sp->envelope_offset[j] = to_offset_22(tone->envofs[i][j]);
}
}
if (tone->tremnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->tremnum == 1) {
if (IS_QUANTITY_DEFINED(tone->trem[0][0]))
sp->tremolo_sweep_increment =
quantity_to_int(&tone->trem[0][0], 0);
if (IS_QUANTITY_DEFINED(tone->trem[0][1]))
sp->tremolo_phase_increment =
quantity_to_int(&tone->trem[0][1], 0);
if (IS_QUANTITY_DEFINED(tone->trem[0][2]))
sp->tremolo_depth =
quantity_to_int(&tone->trem[0][2], 0) << 1;
} else if (i < tone->tremnum) {
if (IS_QUANTITY_DEFINED(tone->trem[i][0]))
sp->tremolo_sweep_increment =
quantity_to_int(&tone->trem[i][0], 0);
if (IS_QUANTITY_DEFINED(tone->trem[i][1]))
sp->tremolo_phase_increment =
quantity_to_int(&tone->trem[i][1], 0);
if (IS_QUANTITY_DEFINED(tone->trem[i][2]))
sp->tremolo_depth =
quantity_to_int(&tone->trem[i][2], 0) << 1;
}
}
if (tone->vibnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->vibnum == 1) {
if (IS_QUANTITY_DEFINED(tone->vib[0][1]))
sp->vibrato_control_ratio =
quantity_to_int(&tone->vib[0][1], 0);
if (IS_QUANTITY_DEFINED(tone->vib[0][0]))
sp->vibrato_sweep_increment =
quantity_to_int(&tone->vib[0][0],
sp->vibrato_control_ratio);
if (IS_QUANTITY_DEFINED(tone->vib[0][2]))
sp->vibrato_depth = quantity_to_int(&tone->vib[0][2], 0);
} else if (i < tone->vibnum) {
if (IS_QUANTITY_DEFINED(tone->vib[i][1]))
sp->vibrato_control_ratio =
quantity_to_int(&tone->vib[i][1], 0);
if (IS_QUANTITY_DEFINED(tone->vib[i][0]))
sp->vibrato_sweep_increment =
quantity_to_int(&tone->vib[i][0],
sp->vibrato_control_ratio);
if (IS_QUANTITY_DEFINED(tone->vib[i][2]))
sp->vibrato_depth = quantity_to_int(&tone->vib[i][2], 0);
}
}
if (tone->sclnotenum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->sclnotenum == 1)
sp->scale_freq = tone->sclnote[0];
else if (i < tone->sclnotenum)
sp->scale_freq = tone->sclnote[i];
}
if (tone->scltunenum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->scltunenum == 1)
sp->scale_factor = adjust_scale_tune(tone->scltune[0]);
else if (i < tone->scltunenum)
sp->scale_factor = adjust_scale_tune(tone->scltune[i]);
}
if (tone->modenvratenum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->modenvratenum == 1) {
for (j = 0; j < 6; j++)
if (tone->modenvrate[0][j] >= 0)
sp->modenv_rate[j] = to_rate(tone->modenvrate[0][j]);
} else if (i < tone->modenvratenum) {
for (j = 0; j < 6; j++)
if (tone->modenvrate[i][j] >= 0)
sp->modenv_rate[j] = to_rate(tone->modenvrate[i][j]);
}
}
if (tone->modenvofsnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->modenvofsnum == 1) {
for (j = 0; j < 6; j++)
if (tone->modenvofs[0][j] >= 0)
sp->modenv_offset[j] =
to_offset_22(tone->modenvofs[0][j]);
} else if (i < tone->modenvofsnum) {
for (j = 0; j < 6; j++)
if (tone->modenvofs[i][j] >= 0)
sp->modenv_offset[j] =
to_offset_22(tone->modenvofs[i][j]);
}
}
if (tone->envkeyfnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->envkeyfnum == 1) {
for (j = 0; j < 6; j++)
if (tone->envkeyf[0][j] != -1)
sp->envelope_keyf[j] = tone->envkeyf[0][j];
} else if (i < tone->envkeyfnum) {
for (j = 0; j < 6; j++)
if (tone->envkeyf[i][j] != -1)
sp->envelope_keyf[j] = tone->envkeyf[i][j];
}
}
if (tone->envvelfnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->envvelfnum == 1) {
for (j = 0; j < 6; j++)
if (tone->envvelf[0][j] != -1)
sp->envelope_velf[j] = tone->envvelf[0][j];
} else if (i < tone->envvelfnum) {
for (j = 0; j < 6; j++)
if (tone->envvelf[i][j] != -1)
sp->envelope_velf[j] = tone->envvelf[i][j];
}
}
if (tone->modenvkeyfnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->modenvkeyfnum == 1) {
for (j = 0; j < 6; j++)
if (tone->modenvkeyf[0][j] != -1)
sp->modenv_keyf[j] = tone->modenvkeyf[0][j];
} else if (i < tone->modenvkeyfnum) {
for (j = 0; j < 6; j++)
if (tone->modenvkeyf[i][j] != -1)
sp->modenv_keyf[j] = tone->modenvkeyf[i][j];
}
}
if (tone->modenvvelfnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->modenvvelfnum == 1) {
for (j = 0; j < 6; j++)
if (tone->modenvvelf[0][j] != -1)
sp->modenv_velf[j] = tone->modenvvelf[0][j];
} else if (i < tone->modenvvelfnum) {
for (j = 0; j < 6; j++)
if (tone->modenvvelf[i][j] != -1)
sp->modenv_velf[j] = tone->modenvvelf[i][j];
}
}
if (tone->trempitchnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->trempitchnum == 1)
sp->tremolo_to_pitch = tone->trempitch[0];
else if (i < tone->trempitchnum)
sp->tremolo_to_pitch = tone->trempitch[i];
}
if (tone->tremfcnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->tremfcnum == 1)
sp->tremolo_to_fc = tone->tremfc[0];
else if (i < tone->tremfcnum)
sp->tremolo_to_fc = tone->tremfc[i];
}
if (tone->modpitchnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->modpitchnum == 1)
sp->modenv_to_pitch = tone->modpitch[0];
else if (i < tone->modpitchnum)
sp->modenv_to_pitch = tone->modpitch[i];
}
if (tone->modfcnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->modfcnum == 1)
sp->modenv_to_fc = tone->modfc[0];
else if (i < tone->modfcnum)
sp->modenv_to_fc = tone->modfc[i];
}
if (tone->fcnum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->fcnum == 1)
sp->cutoff_freq = adjust_fc(tone->fc[0]);
else if (i < tone->fcnum)
sp->cutoff_freq = adjust_fc(tone->fc[i]);
}
if (tone->resonum)
for (i = 0; i < ip->samples; i++) {
sp = &ip->sample[i];
if (tone->resonum == 1)
sp->resonance = adjust_reso(tone->reso[0]);
else if (i < tone->resonum)
sp->resonance = adjust_reso(tone->reso[i]);
}
}
#define READ_CHAR(thing) { \
uint8_t tmpchar; \
\
if (tf_read(&tmpchar, 1, 1, tf) != 1) \
goto fail; \
thing = tmpchar; \
}
#define READ_SHORT(thing) { \
uint16_t tmpshort; \
\
if (tf_read(&tmpshort, 2, 1, tf) != 1) \
goto fail; \
thing = LE_SHORT(tmpshort); \
}
#define READ_LONG(thing) { \
int32_t tmplong; \
\
if (tf_read(&tmplong, 4, 1, tf) != 1) \
goto fail; \
thing = LE_LONG(tmplong); \
}
/* If panning or note_to_use != -1, it will be used for all samples,
* instead of the sample-specific values in the instrument file.
*
* For note_to_use, any value < 0 or > 127 will be forced to 0.
*
* For other parameters, 1 means yes, 0 means no, other values are
* undefined.
*
* TODO: do reverse loops right
*/
Instrument *Instruments::load_gus_instrument(char *name, ToneBank *bank, int dr, int prog)
{
ToneBankElement *tone;
int amp, note_to_use, panning, strip_envelope, strip_loop, strip_tail;
Instrument *ip;
timidity_file *tf;
uint8_t tmp[1024], fractions;
Sample *sp;
int i, j, noluck = 0;
if (!name)
return 0;
if (bank) {
tone = &bank->tone[prog];
amp = tone->amp;
note_to_use = (tone->note != -1) ? tone->note : ((dr) ? prog : -1);
panning = tone->pan;
strip_envelope = (tone->strip_envelope != -1)
? tone->strip_envelope : ((dr) ? 1 : -1);
strip_loop = (tone->strip_loop != -1)
? tone->strip_loop : ((dr) ? 1 : -1);
strip_tail = tone->strip_tail;
}
else {
tone = NULL;
amp = note_to_use = panning = -1;
strip_envelope = strip_loop = strip_tail = 0;
}
if (tone && tone->tunenum == 0
&& tone->envratenum == 0 && tone->envofsnum == 0
&& tone->tremnum == 0 && tone->vibnum == 0
&& tone->sclnotenum == 0 && tone->scltunenum == 0
&& tone->modenvratenum == 0 && tone->modenvofsnum == 0
&& tone->envkeyfnum == 0 && tone->envvelfnum == 0
&& tone->modenvkeyfnum == 0 && tone->modenvvelfnum == 0
&& tone->trempitchnum == 0 && tone->tremfcnum == 0
&& tone->modpitchnum == 0 && tone->modfcnum == 0
&& tone->fcnum == 0 && tone->resonum == 0)
if ((ip = search_instrument_cache(name, panning, amp, note_to_use,
strip_loop, strip_envelope, strip_tail)) != NULL) {
printMessage(CMSG_INFO, VERB_DEBUG, " * Cached");
return ip;
}
/* Open patch file */
tf = open_file(name, sfreader);
if (!tf)
{
int name_len, ext_len;
static const char *patch_ext[] = { ".pat", 0 };
noluck = 1;
name_len = (int)strlen(name);
/* Try with various extensions */
for (i = 0; patch_ext[i]; i++)
{
ext_len = (int)strlen(patch_ext[i]);
if (name_len + ext_len < 1024)
{
if (name_len >= ext_len && strcmp(name + name_len - ext_len,
patch_ext[i]) == 0)
continue; /* duplicated ext. */
strcpy((char *)tmp, name);
strcat((char *)tmp, patch_ext[i]);
tf = open_file((char *)tmp, sfreader);
if (tf)
{
noluck = 0;
break;
}
}
}
}
if (noluck)
{
printMessage(CMSG_INFO, VERB_DEBUG, "Instrument `%s' can't be found.", name);
return 0;
}
/* Read some headers and do cursory sanity checks. There are loads
* of magic offsets. This could be rewritten...
*/
tmp[0] = tf_getc(tf);
if (tmp[0] == '\0') {
/* for Mac binary */
skip(tf, 127);
tmp[0] = tf_getc(tf);
}
if ((tf_read(tmp + 1, 1, 238, tf) != 238)
|| (memcmp(tmp, "GF1PATCH110\0ID#000002", 22)
&& memcmp(tmp, "GF1PATCH100\0ID#000002", 22))) {
/* don't know what the differences are */
printMessage(CMSG_ERROR, VERB_NORMAL, "%s: not an instrument", name);
tf_close(tf);
return 0;
}
/* instruments. To some patch makers, 0 means 1 */
if (tmp[82] != 1 && tmp[82] != 0) {
printMessage(CMSG_ERROR, VERB_NORMAL,
"Can't handle patches with %d instruments", tmp[82]);
tf_close(tf);
return 0;
}
if (tmp[151] != 1 && tmp[151] != 0) { /* layers. What's a layer? */
printMessage(CMSG_ERROR, VERB_NORMAL,
"Can't handle instruments with %d layers", tmp[151]);
tf_close(tf);
return 0;
}
ip = (Instrument *)safe_malloc(sizeof(Instrument));
ip->type = INST_GUS;
ip->samples = tmp[198];
ip->sample = (Sample *)safe_malloc(sizeof(Sample) * ip->samples);
memset(ip->sample, 0, sizeof(Sample) * ip->samples);
for (i = 0; i < ip->samples; i++) {
skip(tf, 7); /* Skip the wave name */
if (tf_read(&fractions, 1, 1, tf) != 1) {
fail:
printMessage(CMSG_ERROR, VERB_NORMAL, "Error reading sample %d", i);
for (j = 0; j < i; j++)
free(ip->sample[j].data);
free(ip->sample);
free(ip);
tf_close(tf);
return 0;
}
sp = &(ip->sample[i]);
sp->low_vel = 0;
sp->high_vel = 127;
sp->cutoff_freq = sp->resonance = 0;
sp->tremolo_to_pitch = sp->tremolo_to_fc = 0;
sp->modenv_to_pitch = sp->modenv_to_fc = 0;
sp->vel_to_fc = sp->key_to_fc = sp->vel_to_resonance = 0;
sp->envelope_velf_bpo = sp->modenv_velf_bpo = 64;
sp->vel_to_fc_threshold = 64;
sp->key_to_fc_bpo = 60;
sp->envelope_delay = sp->modenv_delay = 0;
sp->tremolo_delay = sp->vibrato_delay = 0;
sp->inst_type = INST_GUS;
sp->sample_type = SF_SAMPLETYPE_MONO;
sp->sf_sample_link = -1;
sp->sf_sample_index = 0;
memset(sp->envelope_velf, 0, sizeof(sp->envelope_velf));
memset(sp->envelope_keyf, 0, sizeof(sp->envelope_keyf));
memset(sp->modenv_velf, 0, sizeof(sp->modenv_velf));
memset(sp->modenv_keyf, 0, sizeof(sp->modenv_keyf));
memset(sp->modenv_rate, 0, sizeof(sp->modenv_rate));
memset(sp->modenv_offset, 0, sizeof(sp->modenv_offset));
READ_LONG(sp->data_length);
READ_LONG(sp->loop_start);
READ_LONG(sp->loop_end);
READ_SHORT(sp->sample_rate);
READ_LONG(sp->low_freq);
READ_LONG(sp->high_freq);
READ_LONG(sp->root_freq);
skip(tf, 2); /* Why have a "root frequency" and then "tuning"?? */
READ_CHAR(tmp[0]);
printMessage(CMSG_INFO, VERB_DEBUG, "Rate/Low/Hi/Root = %d/%d/%d/%d",
sp->sample_rate, sp->low_freq, sp->high_freq, sp->root_freq);
if (panning == -1)
/* 0x07 and 0x08 are both center panning */
sp->panning = ((tmp[0] - ((tmp[0] < 8) ? 7 : 8)) * 63) / 7 + 64;
else
sp->panning = (uint8_t)(panning & 0x7f);
/* envelope, tremolo, and vibrato */
if (tf_read(tmp, 1, 18, tf) != 18)
goto fail;
if (!tmp[13] || !tmp[14]) {
sp->tremolo_sweep_increment = sp->tremolo_phase_increment = 0;
sp->tremolo_depth = 0;
printMessage(CMSG_INFO, VERB_DEBUG, " * no tremolo");
}
else {
sp->tremolo_sweep_increment = convert_tremolo_sweep(tmp[12]);
sp->tremolo_phase_increment = convert_tremolo_rate(tmp[13]);
sp->tremolo_depth = tmp[14];
printMessage(CMSG_INFO, VERB_DEBUG,
" * tremolo: sweep %d, phase %d, depth %d",
sp->tremolo_sweep_increment, sp->tremolo_phase_increment,
sp->tremolo_depth);
}
if (!tmp[16] || !tmp[17]) {
sp->vibrato_sweep_increment = sp->vibrato_control_ratio = 0;
sp->vibrato_depth = 0;
printMessage(CMSG_INFO, VERB_DEBUG, " * no vibrato");
}
else {
sp->vibrato_control_ratio = convert_vibrato_rate(tmp[16]);
sp->vibrato_sweep_increment = convert_vibrato_sweep(tmp[15],
sp->vibrato_control_ratio);
sp->vibrato_depth = tmp[17];
printMessage(CMSG_INFO, VERB_DEBUG,
" * vibrato: sweep %d, ctl %d, depth %d",
sp->vibrato_sweep_increment, sp->vibrato_control_ratio,
sp->vibrato_depth);
}
READ_CHAR(sp->modes);
printMessage(CMSG_INFO, VERB_DEBUG, " * mode: 0x%02x", sp->modes);
READ_SHORT(sp->scale_freq);
READ_SHORT(sp->scale_factor);
skip(tf, 36); /* skip reserved space */
/* Mark this as a fixed-pitch instrument if such a deed is desired. */
sp->note_to_use = (note_to_use != -1) ? (uint8_t)note_to_use : 0;
/* seashore.pat in the Midia patch set has no Sustain. I don't
* understand why, and fixing it by adding the Sustain flag to
* all looped patches probably breaks something else. We do it
* anyway.
*/
if (sp->modes & MODES_LOOPING)
sp->modes |= MODES_SUSTAIN;
/* Strip any loops and envelopes we're permitted to */
if ((strip_loop == 1) && (sp->modes & (MODES_SUSTAIN | MODES_LOOPING
| MODES_PINGPONG | MODES_REVERSE))) {
sp->modes &= ~(MODES_SUSTAIN | MODES_LOOPING
| MODES_PINGPONG | MODES_REVERSE);
printMessage(CMSG_INFO, VERB_DEBUG,
" - Removing loop and/or sustain");
}
if (strip_envelope == 1) {
if (sp->modes & MODES_ENVELOPE)
printMessage(CMSG_INFO, VERB_DEBUG, " - Removing envelope");
sp->modes &= ~MODES_ENVELOPE;
}
else if (strip_envelope != 0) {
/* Have to make a guess. */
if (!(sp->modes & (MODES_LOOPING
| MODES_PINGPONG | MODES_REVERSE))) {
/* No loop? Then what's there to sustain?
* No envelope needed either...
*/
sp->modes &= ~(MODES_SUSTAIN | MODES_ENVELOPE);
printMessage(CMSG_INFO, VERB_DEBUG,
" - No loop, removing sustain and envelope");
}
else if (!memcmp(tmp, "??????", 6) || tmp[11] >= 100) {
/* Envelope rates all maxed out?
* Envelope end at a high "offset"?
* That's a weird envelope. Take it out.
*/
sp->modes &= ~MODES_ENVELOPE;
printMessage(CMSG_INFO, VERB_DEBUG,
" - Weirdness, removing envelope");
}
else if (!(sp->modes & MODES_SUSTAIN)) {
/* No sustain? Then no envelope. I don't know if this is
* justified, but patches without sustain usually don't need
* the envelope either... at least the Gravis ones. They're
* mostly drums. I think.
*/
sp->modes &= ~MODES_ENVELOPE;
printMessage(CMSG_INFO, VERB_DEBUG,
" - No sustain, removing envelope");
}
}
for (j = 0; j < 6; j++) {
sp->envelope_rate[j] = convert_envelope_rate(tmp[j]);
sp->envelope_offset[j] = convert_envelope_offset(tmp[j + 6]);
}
/* this envelope seems to give reverb like effects to most patches
* use the same method as soundfont
*/
if (modify_release) {
sp->envelope_offset[3] = to_offset_22(5);
sp->envelope_rate[3] = calc_rate_i(255, modify_release);
sp->envelope_offset[4] = to_offset_22(4);
sp->envelope_rate[4] = to_offset_22(200);
sp->envelope_offset[5] = to_offset_22(4);
sp->envelope_rate[5] = to_offset_22(200);
}
/* Then read the sample data */
sp->data = (sample_t *)safe_malloc(sp->data_length + 4);
sp->data_alloced = 1;
if ((j = tf_read(sp->data, 1, sp->data_length, tf)) != (int)sp->data_length) {
printMessage(CMSG_ERROR, VERB_NORMAL, "Too small this patch length: %d < %d", j, sp->data_length);
goto fail;
}
if (!(sp->modes & MODES_16BIT)) { /* convert to 16-bit data */
uint16_t *tmp;
uint8_t *cp = (uint8_t *)sp->data;
tmp = (uint16_t *)safe_malloc(sp->data_length * 2 + 4);
for (splen_t i = 0; i < sp->data_length; i++)
tmp[i] = (uint16_t)cp[i] << 8;
sp->data = (sample_t *)tmp;
free(cp);
sp->data_length *= 2;
sp->loop_start *= 2;
sp->loop_end *= 2;
}
#ifdef _BIG_ENDIAN_
else { /* convert to machine byte order */
int32_t i;
int16_t *tmp = (int16_t *)sp->data, s;
for (i = 0; i < sp->data_length / 2; i++)
s = LE_SHORT(tmp[i]), tmp[i] = s;
}
#endif
if (sp->modes & MODES_UNSIGNED) { /* convert to signed data */
int32_t i = sp->data_length / 2;
int16_t *tmp = (int16_t *)sp->data;
while (i--)
*tmp++ ^= 0x8000;
}
/* Reverse loops and pass them off as normal loops */
if (sp->modes & MODES_REVERSE) {
/* The GUS apparently plays reverse loops by reversing the
* whole sample. We do the same because the GUS does not SUCK.
*/
int32_t t;
reverse_data((int16_t *)sp->data, 0, sp->data_length / 2);
t = sp->loop_start;
sp->loop_start = sp->data_length - sp->loop_end;
sp->loop_end = sp->data_length - t;
sp->modes &= ~MODES_REVERSE;
sp->modes |= MODES_LOOPING; /* just in case */
printMessage(CMSG_WARNING, VERB_NORMAL, "Reverse loop in %s", name);
}
/* If necessary do some anti-aliasing filtering */
if (antialiasing_allowed)
antialiasing((int16_t *)sp->data, sp->data_length / 2,
sp->sample_rate, playback_rate);
if (amp != -1)
sp->volume = (double) amp / 100;
else {
/* Try to determine a volume scaling factor for the sample.
* This is a very crude adjustment, but things sound more
* balanced with it. Still, this should be a runtime option.
*/
int32_t a, maxamp = 0;
int16_t *tmp = (int16_t *)sp->data;
for (splen_t i = 0; i < sp->data_length / 2; i++)
if ((a = abs(tmp[i])) > maxamp)
maxamp = a;
sp->volume = 32768 / (double)maxamp;
printMessage(CMSG_INFO, VERB_DEBUG,
" * volume comp: %f", sp->volume);
}
/* These are in bytes. Convert into samples. */
sp->data_length /= 2;
sp->loop_start /= 2;
sp->loop_end /= 2;
/* The sample must be padded out by 2 extra sample, so that
* round off errors in the offsets used in interpolation will not
* cause a "pop" by reading random data beyond data_length
*/
sp->data[sp->data_length] = sp->data[sp->data_length + 1] = 0;
/* Remove abnormal loops which cause pop noise
* in long sustain stage
*/
if (!(sp->modes & MODES_LOOPING)) {
sp->loop_start = sp->data_length - 1;
sp->loop_end = sp->data_length;
sp->data[sp->data_length - 1] = 0;
}
/* Then fractional samples */
sp->data_length <<= FRACTION_BITS;
sp->loop_start <<= FRACTION_BITS;
sp->loop_end <<= FRACTION_BITS;
/* Adjust for fractional loop points. This is a guess. Does anyone
* know what "fractions" really stands for?
*/
sp->loop_start |= (fractions & 0x0f) << (FRACTION_BITS - 4);
sp->loop_end |= ((fractions >> 4) & 0x0f) << (FRACTION_BITS - 4);
/* If this instrument will always be played on the same note,
* and it's not looped, we can resample it now.
*/
if (sp->note_to_use && !(sp->modes & MODES_LOOPING))
pre_resample(sp);
/* do pitch detection on drums if surround chorus is used */
if (dr && timidity_surround_chorus)
{
Freq freq;
sp->chord = -1;
sp->root_freq_detected = freq.freq_fourier(sp, &(sp->chord));
sp->transpose_detected =
assign_pitch_to_freq(sp->root_freq_detected) -
assign_pitch_to_freq(sp->root_freq / 1024.0);
}
if (strip_tail == 1) {
/* Let's not really, just say we did. */
sp->data_length = sp->loop_end;
printMessage(CMSG_INFO, VERB_DEBUG, " - Stripping tail");
}
}
tf_close(tf);
store_instrument_cache(ip, name, panning, amp, note_to_use,
strip_loop, strip_envelope, strip_tail);
return ip;
}
Instrument *Instruments::load_instrument(int dr, int b, int prog)
{
ToneBank *bank = ((dr) ? drumset[b] : tonebank[b]);
Instrument *ip;
int i, font_bank, font_preset, font_keynote;
double volume_max;
int pan, panning;
#if 0
// This cannot possibly work as implemented.
if (play_system_mode == GS_SYSTEM_MODE && (b == 64 || b == 65)) {
if (!dr) /* User Instrument */
recompute_userinst(b, prog);
else { /* User Drumset */
ip = recompute_userdrum(b, prog);
if (ip != NULL) {
return ip;
}
}
}
#endif
if (bank->tone[prog].instype == 1 || bank->tone[prog].instype == 2) {
if (bank->tone[prog].instype == 1) { /* Font extention */
font_bank = bank->tone[prog].font_bank;
font_preset = bank->tone[prog].font_preset;
font_keynote = bank->tone[prog].font_keynote;
ip = extract_soundfont(bank->tone[prog].name,
font_bank, font_preset, font_keynote);
}
else /* Sample extension */
ip = extract_sample_file(bank->tone[prog].name);
/* amp tuning */
if (ip != NULL && bank->tone[prog].amp != -1) {
for (i = 0, volume_max = 0; i < ip->samples; i++)
if (volume_max < ip->sample[i].volume)
volume_max = ip->sample[i].volume;
if (volume_max != 0)
for (i = 0; i < ip->samples; i++)
ip->sample[i].volume *= bank->tone[prog].amp
/ 100.0 / volume_max;
}
/* panning */
if (ip != NULL && bank->tone[prog].pan != -1) {
pan = ((int)bank->tone[prog].pan & 0x7f) - 64;
for (i = 0; i < ip->samples; i++) {
panning = (int)ip->sample[i].panning + pan;
panning = (panning < 0) ? 0
: ((panning > 127) ? 127 : panning);
ip->sample[i].panning = panning;
}
}
/* note to use */
if (ip != NULL && bank->tone[prog].note != -1)
for (i = 0; i < ip->samples; i++)
ip->sample[i].root_freq =
freq_table[bank->tone[prog].note & 0x7f];
/* filter key-follow */
if (ip != NULL && bank->tone[prog].key_to_fc != 0)
for (i = 0; i < ip->samples; i++)
ip->sample[i].key_to_fc = bank->tone[prog].key_to_fc;
/* filter velocity-follow */
if (ip != NULL && bank->tone[prog].vel_to_fc != 0)
for (i = 0; i < ip->samples; i++)
ip->sample[i].key_to_fc = bank->tone[prog].vel_to_fc;
/* resonance velocity-follow */
if (ip != NULL && bank->tone[prog].vel_to_resonance != 0)
for (i = 0; i < ip->samples; i++)
ip->sample[i].vel_to_resonance =
bank->tone[prog].vel_to_resonance;
/* strip tail */
if (ip != NULL && bank->tone[prog].strip_tail == 1)
for (i = 0; i < ip->samples; i++)
ip->sample[i].data_length = ip->sample[i].loop_end;
if (ip != NULL) {
i = (dr) ? 0 : prog;
if (bank->tone[i].comment)
free(bank->tone[i].comment);
bank->tone[i].comment = safe_strdup(ip->instname);
apply_bank_parameter(ip, &bank->tone[prog]);
}
return ip;
}
if (!dr) {
font_bank = b;
font_preset = prog;
font_keynote = -1;
}
else {
font_bank = 128;
font_preset = b;
font_keynote = prog;
}
/* preload soundfont */
ip = load_soundfont_inst(0, font_bank, font_preset, font_keynote);
if (ip != NULL) {
if (bank->tone[prog].name == NULL) /* this should not be NULL to play the instrument */
bank->tone[prog].name = safe_strdup(DYNAMIC_INSTRUMENT_NAME);
if (bank->tone[prog].comment)
free(bank->tone[prog].comment);
bank->tone[prog].comment = safe_strdup(ip->instname);
}
if (ip == NULL) { /* load GUS/patch file */
ip = load_gus_instrument(bank->tone[prog].name, bank, dr, prog);
if (ip == NULL) { /* no patch; search soundfont again */
ip = load_soundfont_inst(1, font_bank, font_preset, font_keynote);
if (ip != NULL) {
if (bank->tone[0].comment)
free(bank->tone[0].comment);
bank->tone[0].comment = safe_strdup(ip->instname);
}
}
}
if (ip != NULL)
apply_bank_parameter(ip, &bank->tone[prog]);
return ip;
}
int Instruments::fill_bank(int dr, int b, int *rc)
{
int i, errors = 0;
ToneBank *bank = ((dr) ? drumset[b] : tonebank[b]);
if (rc != NULL)
*rc = RC_OK;
for (i = 0; i < 128; i++)
{
if (bank->tone[i].instrument == MAGIC_LOAD_INSTRUMENT)
{
if (!(bank->tone[i].name))
{
bank->tone[i].instrument = load_instrument(dr, b, i);
if (bank->tone[i].instrument == NULL)
{
// This would be too annoying on 'warning' level.
printMessage(CMSG_WARNING, VERB_DEBUG,
"No instrument mapped to %s %d, program %d%s",
dr ? "drum set" : "tone bank",
dr ? b + progbase : b,
dr ? i : i + progbase,
(b != 0) ? "" :
" - this instrument will not be heard");
if (b != 0)
{
/* Mark the corresponding instrument in the default
bank / drumset for loading (if it isn't already) */
if (!dr)
{
if (!(standard_tonebank.tone[i].instrument))
standard_tonebank.tone[i].instrument =
MAGIC_LOAD_INSTRUMENT;
}
else
{
if (!(standard_drumset.tone[i].instrument))
standard_drumset.tone[i].instrument =
MAGIC_LOAD_INSTRUMENT;
}
bank->tone[i].instrument = 0;
}
else
bank->tone[i].instrument = MAGIC_ERROR_INSTRUMENT;
errors++;
}
}
else
{
if (rc != NULL)
{
*rc = RC_OK;
}
bank->tone[i].instrument = load_instrument(dr, b, i);
if (!bank->tone[i].instrument)
{
printMessage(CMSG_ERROR, VERB_NORMAL,
"Couldn't load instrument %s "
"(%s %d, program %d)", bank->tone[i].name,
dr ? "drum set" : "tone bank",
dr ? b + progbase : b,
dr ? i : i + progbase);
errors++;
}
}
}
}
return errors;
}
int Instruments::load_missing_instruments(int *rc)
{
int i = 128 + map_bank_counter, errors = 0;
if (rc != NULL)
*rc = RC_OK;
while (i--)
{
if (tonebank[i])
errors += fill_bank(0, i, rc);
if (rc != NULL && RC_IS_SKIP_FILE(*rc))
return errors;
if (drumset[i])
errors += fill_bank(1, i, rc);
if (rc != NULL && RC_IS_SKIP_FILE(*rc))
return errors;
}
return errors;
}
// The precaching code is from ZDoom's Timidity-based GUS emulation
void Instruments::MarkInstrument(int banknum, int percussion, int instr)
{
ToneBank *bank;
if (banknum >= 128)
{
return;
}
if (banknum != 0)
{
/* Mark the standard bank in case it's not defined by this one. */
MarkInstrument(0, percussion, instr);
}
if (percussion)
{
bank = drumset[banknum];
}
else
{
bank = tonebank[banknum];
}
if (bank == NULL)
{
return;
}
if (bank->tone[instr].instrument == NULL)
{
bank->tone[instr].instrument = MAGIC_LOAD_INSTRUMENT;
}
}
void Instruments::PrecacheInstruments(const uint16_t *instruments, int count)
{
for (int i = 0; i < count; ++i)
{
MarkInstrument((instruments[i] >> 7) & 127, instruments[i] >> 14, instruments[i] & 127);
}
load_missing_instruments(nullptr);
}
void *Instruments::safe_memdup(void *s, size_t size)
{
return memcpy(safe_malloc(size), s, size);
}
/*! Copy ToneBankElement src to elm. The original elm is released. */
void Instruments::copy_tone_bank_element(ToneBankElement *elm, const ToneBankElement *src)
{
int i;
free_tone_bank_element(elm);
memcpy(elm, src, sizeof(ToneBankElement));
if (elm->name)
elm->name = safe_strdup(elm->name);
if (elm->tunenum)
elm->tune = (float *)safe_memdup(elm->tune,
elm->tunenum * sizeof(float));
if (elm->envratenum) {
elm->envrate = (int **)safe_memdup(elm->envrate,
elm->envratenum * sizeof(int *));
for (i = 0; i < elm->envratenum; i++)
elm->envrate[i] = (int *)safe_memdup(elm->envrate[i],
6 * sizeof(int));
}
if (elm->envofsnum) {
elm->envofs = (int **)safe_memdup(elm->envofs,
elm->envofsnum * sizeof(int *));
for (i = 0; i < elm->envofsnum; i++)
elm->envofs[i] = (int *)safe_memdup(elm->envofs[i],
6 * sizeof(int));
}
if (elm->tremnum) {
elm->trem = (Quantity **)safe_memdup(elm->trem,
elm->tremnum * sizeof(Quantity *));
for (i = 0; i < elm->tremnum; i++)
elm->trem[i] = (Quantity *)safe_memdup(elm->trem[i],
3 * sizeof(Quantity));
}
if (elm->vibnum) {
elm->vib = (Quantity **)safe_memdup(elm->vib,
elm->vibnum * sizeof(Quantity *));
for (i = 0; i < elm->vibnum; i++)
elm->vib[i] = (Quantity *)safe_memdup(elm->vib[i],
3 * sizeof(Quantity));
}
if (elm->sclnotenum)
elm->sclnote = (int16_t *)safe_memdup(elm->sclnote,
elm->sclnotenum * sizeof(int16_t));
if (elm->scltunenum)
elm->scltune = (int16_t *)safe_memdup(elm->scltune,
elm->scltunenum * sizeof(int16_t));
if (elm->comment)
elm->comment = safe_strdup(elm->comment);
if (elm->modenvratenum) {
elm->modenvrate = (int **)safe_memdup(elm->modenvrate,
elm->modenvratenum * sizeof(int *));
for (i = 0; i < elm->modenvratenum; i++)
elm->modenvrate[i] = (int *)safe_memdup(elm->modenvrate[i],
6 * sizeof(int));
}
if (elm->modenvofsnum) {
elm->modenvofs = (int **)safe_memdup(elm->modenvofs,
elm->modenvofsnum * sizeof(int *));
for (i = 0; i < elm->modenvofsnum; i++)
elm->modenvofs[i] = (int *)safe_memdup(elm->modenvofs[i],
6 * sizeof(int));
}
if (elm->envkeyfnum) {
elm->envkeyf = (int **)safe_memdup(elm->envkeyf,
elm->envkeyfnum * sizeof(int *));
for (i = 0; i < elm->envkeyfnum; i++)
elm->envkeyf[i] = (int *)safe_memdup(elm->envkeyf[i],
6 * sizeof(int));
}
if (elm->envvelfnum) {
elm->envvelf = (int **)safe_memdup(elm->envvelf,
elm->envvelfnum * sizeof(int *));
for (i = 0; i < elm->envvelfnum; i++)
elm->envvelf[i] = (int *)safe_memdup(elm->envvelf[i],
6 * sizeof(int));
}
if (elm->modenvkeyfnum) {
elm->modenvkeyf = (int **)safe_memdup(elm->modenvkeyf,
elm->modenvkeyfnum * sizeof(int *));
for (i = 0; i < elm->modenvkeyfnum; i++)
elm->modenvkeyf[i] = (int *)safe_memdup(elm->modenvkeyf[i],
6 * sizeof(int));
}
if (elm->modenvvelfnum) {
elm->modenvvelf = (int **)safe_memdup(elm->modenvvelf,
elm->modenvvelfnum * sizeof(int *));
for (i = 0; i < elm->modenvvelfnum; i++)
elm->modenvvelf[i] = (int *)safe_memdup(elm->modenvvelf[i],
6 * sizeof(int));
}
if (elm->trempitchnum)
elm->trempitch = (int16_t *)safe_memdup(elm->trempitch,
elm->trempitchnum * sizeof(int16_t));
if (elm->tremfcnum)
elm->tremfc = (int16_t *)safe_memdup(elm->tremfc,
elm->tremfcnum * sizeof(int16_t));
if (elm->modpitchnum)
elm->modpitch = (int16_t *)safe_memdup(elm->modpitch,
elm->modpitchnum * sizeof(int16_t));
if (elm->modfcnum)
elm->modfc = (int16_t *)safe_memdup(elm->modfc,
elm->modfcnum * sizeof(int16_t));
if (elm->fcnum)
elm->fc = (int16_t *)safe_memdup(elm->fc,
elm->fcnum * sizeof(int16_t));
if (elm->resonum)
elm->reso = (int16_t *)safe_memdup(elm->reso,
elm->resonum * sizeof(int16_t));
}
/*! Release ToneBank[128 + MAP_BANK_COUNT] */
void Instruments::free_tone_bank_list(ToneBank *tb[])
{
int i, j;
ToneBank *bank;
for (i = 0; i < 128 + map_bank_counter; i++)
{
bank = tb[i];
if (!bank)
continue;
for (j = 0; j < 128; j++)
free_tone_bank_element(&bank->tone[j]);
if (i > 0)
{
free(bank);
tb[i] = NULL;
}
}
}
/*! Release tonebank and drumset */
void Instruments::free_tone_bank(void)
{
free_tone_bank_list(tonebank);
free_tone_bank_list(drumset);
}
/*! Release ToneBankElement. */
void Instruments::free_tone_bank_element(ToneBankElement *elm)
{
elm->instype = 0;
if (elm->name)
free(elm->name);
elm->name = NULL;
if (elm->tune)
free(elm->tune);
elm->tune = NULL, elm->tunenum = 0;
if (elm->envratenum)
free_ptr_list(elm->envrate, elm->envratenum);
elm->envrate = NULL, elm->envratenum = 0;
if (elm->envofsnum)
free_ptr_list(elm->envofs, elm->envofsnum);
elm->envofs = NULL, elm->envofsnum = 0;
if (elm->tremnum)
free_ptr_list(elm->trem, elm->tremnum);
elm->trem = NULL, elm->tremnum = 0;
if (elm->vibnum)
free_ptr_list(elm->vib, elm->vibnum);
elm->vib = NULL, elm->vibnum = 0;
if (elm->sclnote)
free(elm->sclnote);
elm->sclnote = NULL, elm->sclnotenum = 0;
if (elm->scltune)
free(elm->scltune);
elm->scltune = NULL, elm->scltunenum = 0;
if (elm->comment)
free(elm->comment);
elm->comment = NULL;
if (elm->modenvratenum)
free_ptr_list(elm->modenvrate, elm->modenvratenum);
elm->modenvrate = NULL, elm->modenvratenum = 0;
if (elm->modenvofsnum)
free_ptr_list(elm->modenvofs, elm->modenvofsnum);
elm->modenvofs = NULL, elm->modenvofsnum = 0;
if (elm->envkeyfnum)
free_ptr_list(elm->envkeyf, elm->envkeyfnum);
elm->envkeyf = NULL, elm->envkeyfnum = 0;
if (elm->envvelfnum)
free_ptr_list(elm->envvelf, elm->envvelfnum);
elm->envvelf = NULL, elm->envvelfnum = 0;
if (elm->modenvkeyfnum)
free_ptr_list(elm->modenvkeyf, elm->modenvkeyfnum);
elm->modenvkeyf = NULL, elm->modenvkeyfnum = 0;
if (elm->modenvvelfnum)
free_ptr_list(elm->modenvvelf, elm->modenvvelfnum);
elm->modenvvelf = NULL, elm->modenvvelfnum = 0;
if (elm->trempitch)
free(elm->trempitch);
elm->trempitch = NULL, elm->trempitchnum = 0;
if (elm->tremfc)
free(elm->tremfc);
elm->tremfc = NULL, elm->tremfcnum = 0;
if (elm->modpitch)
free(elm->modpitch);
elm->modpitch = NULL, elm->modpitchnum = 0;
if (elm->modfc)
free(elm->modfc);
elm->modfc = NULL, elm->modfcnum = 0;
if (elm->fc)
free(elm->fc);
elm->fc = NULL, elm->fcnum = 0;
if (elm->reso)
free(elm->reso);
elm->reso = NULL, elm->resonum = 0;
}
void Instruments::free_instruments(int reload_default_inst)
{
int i = 128 + map_bank_counter, j;
struct InstrumentCache *p;
ToneBank *bank;
Instrument *ip;
struct InstrumentCache *default_entry;
int default_entry_addr;
clear_magic_instruments();
/* Free soundfont instruments */
while (i--)
{
/* Note that bank[*]->tone[j].instrument may pointer to
bank[0]->tone[j].instrument. See play_midi_load_instrument()
at playmidi.c for the implementation */
if ((bank = tonebank[i]) != NULL)
for (j = 127; j >= 0; j--)
{
ip = bank->tone[j].instrument;
if (ip != NULL && ip->type == INST_SF2 &&
(i == 0 || ip != tonebank[0]->tone[j].instrument))
free_instrument(ip);
bank->tone[j].instrument = NULL;
if (bank->tone[j].name && !bank->tone[j].name[0]) /* DYNAMIC_INSTRUMENT_NAME */
{
free(bank->tone[j].name);
bank->tone[j].name = NULL;
}
}
if ((bank = drumset[i]) != NULL)
for (j = 127; j >= 0; j--)
{
ip = bank->tone[j].instrument;
if (ip != NULL && ip->type == INST_SF2 &&
(i == 0 || ip != drumset[0]->tone[j].instrument))
free_instrument(ip);
bank->tone[j].instrument = NULL;
if (bank->tone[j].name && !bank->tone[j].name[0]) /* DYNAMIC_INSTRUMENT_NAME */
{
free(bank->tone[j].name);
bank->tone[j].name = NULL;
}
}
#if 0
if ((drumset[i] != NULL) && (drumset[i]->alt != NULL)) {
free(drumset[i]->alt);
drumset[i]->alt = NULL;
}
#endif
}
/* Free GUS/patch instruments */
default_entry = NULL;
default_entry_addr = 0;
for (i = 0; i < INSTRUMENT_HASH_SIZE; i++)
{
p = instrument_cache[i];
while (p != NULL)
{
if (!reload_default_inst && p->ip == default_instrument)
{
default_entry = p;
default_entry_addr = i;
p = p->next;
}
else
{
struct InstrumentCache *tmp;
tmp = p;
p = p->next;
free_instrument(tmp->ip);
free(tmp);
}
}
instrument_cache[i] = NULL;
}
if (reload_default_inst)
set_default_instrument(NULL);
else if (default_entry)
{
default_entry->next = NULL;
instrument_cache[default_entry_addr] = default_entry;
}
}
void Instruments::free_special_patch(int id)
{
int i, j, start, end;
if (id >= 0)
start = end = id;
else
{
start = 0;
end = NSPECIAL_PATCH - 1;
}
for (i = start; i <= end; i++)
{
if (special_patch[i] != NULL)
{
Sample *sp;
int n;
if (special_patch[i]->name != NULL)
free(special_patch[i]->name);
special_patch[i]->name = NULL;
n = special_patch[i]->samples;
sp = special_patch[i]->sample;
if (sp)
{
for (j = 0; j < n; j++)
if (sp[j].data_alloced && sp[j].data)
free(sp[j].data);
free(sp);
}
free(special_patch[i]);
special_patch[i] = NULL;
}
}
}
int Instruments::set_default_instrument(char *name)
{
Instrument *ip;
int i;
static char *last_name;
if (name == NULL)
{
name = last_name;
if (name == NULL)
return 0;
}
if (!(ip = load_gus_instrument(name, NULL, 0, 0)))
return -1;
if (default_instrument)
free_instrument(default_instrument);
default_instrument = ip;
for (i = 0; i < MAX_CHANNELS; i++)
default_program[i] = SPECIAL_PROGRAM;
last_name = name;
return 0;
}
/*! search mapped bank.
returns negative value indicating free bank if not found,
0 if no free bank was available */
int Instruments::find_instrument_map_bank(int dr, int map, int bk)
{
struct bank_map_elem *bm;
int i;
if (map == INST_NO_MAP)
return 0;
bm = dr ? map_drumset : map_bank;
for (i = 0; i < MAP_BANK_COUNT; i++)
{
if (!bm[i].used)
return -(128 + i);
else if (bm[i].mapid == map && bm[i].bankno == bk)
return 128 + i;
}
return 0;
}
/*! allocate mapped bank if needed. returns -1 if allocation failed. */
int Instruments::alloc_instrument_map_bank(int dr, int map, int bk)
{
struct bank_map_elem *bm;
int i;
if (map == INST_NO_MAP)
{
alloc_instrument_bank(dr, bk);
return bk;
}
i = find_instrument_map_bank(dr, map, bk);
if (i == 0)
return -1;
if (i < 0)
{
i = -i - 128;
bm = dr ? map_drumset : map_bank;
bm[i].used = 1;
bm[i].mapid = map;
bm[i].bankno = bk;
if (map_bank_counter < i + 1)
map_bank_counter = i + 1;
i += 128;
alloc_instrument_bank(dr, i);
}
return i;
}
void Instruments::alloc_instrument_bank(int dr, int bk)
{
ToneBank *b;
if (dr)
{
if ((b = drumset[bk]) == NULL)
{
b = drumset[bk] = (ToneBank *)safe_malloc(sizeof(ToneBank));
memset(b, 0, sizeof(ToneBank));
}
}
else
{
if ((b = tonebank[bk]) == NULL)
{
b = tonebank[bk] = (ToneBank *)safe_malloc(sizeof(ToneBank));
memset(b, 0, sizeof(ToneBank));
}
}
}
/* Instrument alias map - Written by Masanao Izumo */
int Instruments::instrument_map(int mapID, int *set, int *elem) const
{
int s, e;
struct inst_map_elem *p;
if (mapID == INST_NO_MAP)
return 0; /* No map */
s = *set;
e = *elem;
p = inst_map_table[mapID][s];
if (p != NULL && p[e].mapped)
{
*set = p[e].set;
*elem = p[e].elem;
return 1;
}
if (s != 0)
{
p = inst_map_table[mapID][0];
if (p != NULL && p[e].mapped)
{
*set = p[e].set;
*elem = p[e].elem;
}
return 2;
}
return 0;
}
void Instruments::set_instrument_map(int mapID,
int set_from, int elem_from,
int set_to, int elem_to)
{
struct inst_map_elem *p;
p = inst_map_table[mapID][set_from];
if (p == NULL)
{
p = (struct inst_map_elem *)
safe_malloc(128 * sizeof(struct inst_map_elem));
memset(p, 0, 128 * sizeof(struct inst_map_elem));
inst_map_table[mapID][set_from] = p;
}
p[elem_from].set = set_to;
p[elem_from].elem = elem_to;
p[elem_from].mapped = 1;
}
void Instruments::free_instrument_map(void)
{
int i, j;
for (i = 0; i < map_bank_counter; i++)
map_bank[i].used = map_drumset[i].used = 0;
/* map_bank_counter = 0; never shrinks rather than assuming tonebank was already freed */
for (i = 0; i < NUM_INST_MAP; i++) {
for (j = 0; j < 128; j++) {
struct inst_map_elem *map;
map = inst_map_table[i][j];
if (map) {
free(map);
inst_map_table[i][j] = NULL;
}
}
}
}
/* Alternate assign - Written by Masanao Izumo */
AlternateAssign *Instruments::add_altassign_string(AlternateAssign *old, char **params, int n)
{
int i, j;
char *p;
int beg, end;
AlternateAssign *alt;
if (n == 0)
return old;
if (!strcmp(*params, "clear")) {
while (old) {
AlternateAssign *next;
next = old->next;
free(old);
old = next;
}
params++;
n--;
if (n == 0)
return NULL;
}
alt = (AlternateAssign *)safe_malloc(sizeof(AlternateAssign));
memset(alt, 0, sizeof(AlternateAssign));
for (i = 0; i < n; i++) {
p = params[i];
if (*p == '-') {
beg = 0;
p++;
}
else
beg = atoi(p);
if ((p = strchr(p, '-')) != NULL) {
if (p[1] == '\0')
end = 127;
else
end = atoi(p + 1);
}
else
end = beg;
if (beg > end) {
int t;
t = beg;
beg = end;
end = t;
}
if (beg < 0)
beg = 0;
if (end > 127)
end = 127;
for (j = beg; j <= end; j++)
alt->bits[(j >> 5) & 0x3] |= 1 << (j & 0x1F);
}
alt->next = old;
return alt;
}
AlternateAssign *Instruments::find_altassign(AlternateAssign *altassign, int note)
{
AlternateAssign *p;
uint32_t mask;
int idx;
mask = 1 << (note & 0x1F);
idx = (note >> 5) & 0x3;
for (p = altassign; p != NULL; p = p->next)
if (p->bits[idx] & mask)
return p;
return NULL;
}
Instrument *Instruments::play_midi_load_instrument(int dr, int bk, int prog, bool *pLoad_success)
{
ToneBank **bank = (dr) ? drumset : tonebank;
ToneBankElement *tone;
Instrument *ip;
bool load_success = false;
if (bank[bk] == NULL)
alloc_instrument_bank(dr, bk);
tone = &bank[bk]->tone[prog];
/* tone->name is NULL if "soundfont" directive is used, and ip is NULL when not preloaded */
/* dr: not sure but only drumsets are concerned at the moment */
if (dr && !tone->name && ((ip = tone->instrument) == MAGIC_LOAD_INSTRUMENT || ip == NULL)
&& (ip = load_instrument(dr, bk, prog)) != NULL) {
tone->instrument = ip;
tone->name = safe_strdup(DYNAMIC_INSTRUMENT_NAME);
load_success = 1;
}
else if (tone->name) {
/* Instrument is found. */
if ((ip = tone->instrument) == MAGIC_LOAD_INSTRUMENT
#ifndef SUPPRESS_CHANNEL_LAYER
|| ip == NULL /* see also readmidi.c: groom_list(). */
#endif
) {
ip = tone->instrument = load_instrument(dr, bk, prog);
}
if (ip == NULL || IS_MAGIC_INSTRUMENT(ip)) {
tone->instrument = MAGIC_ERROR_INSTRUMENT;
}
else {
load_success = true;
}
}
else {
/* Instrument is not found.
Try to load the instrument from bank 0 */
ToneBankElement *tone0 = &bank[0]->tone[prog];
if ((ip = tone0->instrument) == NULL
|| ip == MAGIC_LOAD_INSTRUMENT)
ip = tone0->instrument = load_instrument(dr, 0, prog);
if (ip == NULL || IS_MAGIC_INSTRUMENT(ip)) {
tone0->instrument = MAGIC_ERROR_INSTRUMENT;
}
else {
copy_tone_bank_element(tone, tone0);
tone->instrument = ip;
load_success = 1;
}
}
*pLoad_success = load_success;
if (ip == MAGIC_ERROR_INSTRUMENT)
return NULL;
return ip;
}
//void recompute_userinst_altassign(int bank, int group);
/*! initialize GS user drumset. */
void Instruments::init_userdrum()
{
int i;
free_userdrum();
for (i = 0; i<2; i++) { /* allocate alternative assign */
memset(&alt[i], 0, sizeof(AlternateAssign));
alloc_instrument_bank(1, 64 + i);
drumset[64 + i]->alt = &alt[i];
}
}
/*! free GS user drumset. */
void Instruments::free_userdrum()
{
UserDrumset *p, *next;
for (p = userdrum_first; p != NULL; p = next) {
next = p->next;
free(p);
}
userdrum_first = userdrum_last = NULL;
}
/*! free GS user instrument. */
void Instruments::free_userinst()
{
UserInstrument *p, *next;
for (p = userinst_first; p != NULL; p = next) {
next = p->next;
free(p);
}
userinst_first = userinst_last = NULL;
}
/*! recompute GS user instrument. */
/*! get pointer to requested GS user instrument.
if it's not found, allocate a new item first. */
Instruments::UserInstrument *Instruments::get_userinst(int bank, int prog)
{
UserInstrument *p;
for (p = userinst_first; p != NULL; p = p->next) {
if (p->bank == bank && p->prog == prog) { return p; }
}
p = (UserInstrument *)safe_malloc(sizeof(UserInstrument));
memset(p, 0, sizeof(UserInstrument));
p->next = NULL;
if (userinst_first == NULL) {
userinst_first = p;
userinst_last = p;
}
else {
userinst_last->next = p;
userinst_last = p;
}
p->bank = bank;
p->prog = prog;
return p;
}
void Instruments::recompute_userinst(int bank, int prog)
{
auto p = get_userinst(bank, prog);
auto source_bank = p->source_bank;
auto source_prog = p->source_prog;
free_tone_bank_element(&tonebank[bank]->tone[prog]);
if (tonebank[source_bank]) {
if (tonebank[source_bank]->tone[source_prog].name)
{
copy_tone_bank_element(&tonebank[bank]->tone[prog], &tonebank[source_bank]->tone[source_prog]);
}
else if (tonebank[0]->tone[source_prog].name)
{
copy_tone_bank_element(&tonebank[bank]->tone[prog], &tonebank[0]->tone[source_prog]);
}
}
}
/*! get pointer to requested GS user drumset.
if it's not found, allocate a new item first. */
Instruments::UserDrumset *Instruments::get_userdrum(int bank, int prog)
{
UserDrumset *p;
for (p = userdrum_first; p != NULL; p = p->next) {
if (p->bank == bank && p->prog == prog) { return p; }
}
p = (UserDrumset *)safe_malloc(sizeof(UserDrumset));
memset(p, 0, sizeof(UserDrumset));
p->next = NULL;
if (userdrum_first == NULL) {
userdrum_first = p;
userdrum_last = p;
}
else {
userdrum_last->next = p;
userdrum_last = p;
}
p->bank = bank;
p->prog = prog;
return p;
}
/*! recompute GS user drumset. */
Instrument *Instruments::recompute_userdrum(int bank, int prog)
{
Instrument *ip = NULL;
auto p = get_userdrum(bank, prog);
auto source_note = p->source_note;
auto source_prog = p->source_prog;
free_tone_bank_element(&drumset[bank]->tone[prog]);
if (drumset[source_prog]) {
ToneBankElement *source_tone = &drumset[source_prog]->tone[source_note];
if (source_tone->name == NULL /* NULL if "soundfont" directive is used */
&& source_tone->instrument == NULL) {
if ((ip = load_instrument(1, source_prog, source_note)) == NULL) {
ip = MAGIC_ERROR_INSTRUMENT;
}
source_tone->instrument = ip;
}
if (source_tone->name)
{
copy_tone_bank_element(&drumset[bank]->tone[prog], source_tone);
}
else if (drumset[0]->tone[source_note].name)
{
copy_tone_bank_element(&drumset[bank]->tone[prog], &drumset[0]->tone[source_note]);
}
else {
printMessage(CMSG_WARNING, VERB_NORMAL, "Referring user drum set %d, note %d not found - this instrument will not be heard as expected", bank, prog);
}
}
return ip;
}
/*! convert GS user drumset assign groups to internal "alternate assign". */
void Instruments::recompute_userdrum_altassign(int bank, int group)
{
int number = 0, i;
char *params[131], param[10];
ToneBank *bk;
UserDrumset *p;
for (p = userdrum_first; p != NULL; p = p->next) {
if (p->assign_group == group) {
sprintf(param, "%d", p->prog);
params[number] = safe_strdup(param);
number++;
}
}
params[number] = NULL;
alloc_instrument_bank(1, bank);
bk = drumset[bank];
bk->alt = add_altassign_string(bk->alt, params, number);
for (i = number - 1; i >= 0; i--)
free(params[i]);
}
}
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