2 * NRPN / SYSEX callbacks for Emu8k/Emu10k1
4 * Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "emux_voice.h"
23 #include <sound/asoundef.h>
25 #define NELEM(arr) (sizeof(arr)/sizeof((arr)[0]))
28 * conversion from NRPN/control parameters to Emu8000 raw parameters
31 /* NRPN / CC -> Emu8000 parameter converter */
35 int (*convert)(int val);
38 /* effect sensitivity */
41 #define FX_RESONANCE 1
50 * convert NRPN/control values
53 static int send_converted_effect(nrpn_conv_table *table, int num_tables,
54 snd_emux_port_t *port, snd_midi_channel_t *chan,
55 int type, int val, int mode)
58 for (i = 0; i < num_tables; i++) {
59 if (table[i].control == type) {
60 cval = table[i].convert(val);
61 snd_emux_send_effect(port, chan, table[i].effect,
69 #define DEF_FX_CUTOFF 170
70 #define DEF_FX_RESONANCE 6
71 #define DEF_FX_ATTACK 50
72 #define DEF_FX_RELEASE 50
73 #define DEF_FX_VIBRATE 30
74 #define DEF_FX_VIBDEPTH 4
75 #define DEF_FX_VIBDELAY 1500
77 /* effect sensitivities for GS NRPN:
78 * adjusted for chaos 8MB soundfonts
80 static int gs_sense[] =
82 DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE,
83 DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY
86 /* effect sensitivies for XG controls:
87 * adjusted for chaos 8MB soundfonts
89 static int xg_sense[] =
91 DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE,
92 DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY
100 static int fx_delay(int val);
101 static int fx_attack(int val);
102 static int fx_hold(int val);
103 static int fx_decay(int val);
104 static int fx_the_value(int val);
105 static int fx_twice_value(int val);
106 static int fx_conv_pitch(int val);
107 static int fx_conv_Q(int val);
109 /* function for each NRPN */ /* [range] units */
110 #define fx_env1_delay fx_delay /* [0,5900] 4msec */
111 #define fx_env1_attack fx_attack /* [0,5940] 1msec */
112 #define fx_env1_hold fx_hold /* [0,8191] 1msec */
113 #define fx_env1_decay fx_decay /* [0,5940] 4msec */
114 #define fx_env1_release fx_decay /* [0,5940] 4msec */
115 #define fx_env1_sustain fx_the_value /* [0,127] 0.75dB */
116 #define fx_env1_pitch fx_the_value /* [-127,127] 9.375cents */
117 #define fx_env1_cutoff fx_the_value /* [-127,127] 56.25cents */
119 #define fx_env2_delay fx_delay /* [0,5900] 4msec */
120 #define fx_env2_attack fx_attack /* [0,5940] 1msec */
121 #define fx_env2_hold fx_hold /* [0,8191] 1msec */
122 #define fx_env2_decay fx_decay /* [0,5940] 4msec */
123 #define fx_env2_release fx_decay /* [0,5940] 4msec */
124 #define fx_env2_sustain fx_the_value /* [0,127] 0.75dB */
126 #define fx_lfo1_delay fx_delay /* [0,5900] 4msec */
127 #define fx_lfo1_freq fx_twice_value /* [0,127] 84mHz */
128 #define fx_lfo1_volume fx_twice_value /* [0,127] 0.1875dB */
129 #define fx_lfo1_pitch fx_the_value /* [-127,127] 9.375cents */
130 #define fx_lfo1_cutoff fx_twice_value /* [-64,63] 56.25cents */
132 #define fx_lfo2_delay fx_delay /* [0,5900] 4msec */
133 #define fx_lfo2_freq fx_twice_value /* [0,127] 84mHz */
134 #define fx_lfo2_pitch fx_the_value /* [-127,127] 9.375cents */
136 #define fx_init_pitch fx_conv_pitch /* [-8192,8192] cents */
137 #define fx_chorus fx_the_value /* [0,255] -- */
138 #define fx_reverb fx_the_value /* [0,255] -- */
139 #define fx_cutoff fx_twice_value /* [0,127] 62Hz */
140 #define fx_filterQ fx_conv_Q /* [0,127] -- */
142 static int fx_delay(int val)
144 return (unsigned short)snd_sf_calc_parm_delay(val);
147 static int fx_attack(int val)
149 return (unsigned short)snd_sf_calc_parm_attack(val);
152 static int fx_hold(int val)
154 return (unsigned short)snd_sf_calc_parm_hold(val);
157 static int fx_decay(int val)
159 return (unsigned short)snd_sf_calc_parm_decay(val);
162 static int fx_the_value(int val)
164 return (unsigned short)(val & 0xff);
167 static int fx_twice_value(int val)
169 return (unsigned short)((val * 2) & 0xff);
172 static int fx_conv_pitch(int val)
174 return (short)(val * 4096 / 1200);
177 static int fx_conv_Q(int val)
179 return (unsigned short)((val / 8) & 0xff);
183 static nrpn_conv_table awe_effects[] =
185 { 0, EMUX_FX_LFO1_DELAY, fx_lfo1_delay},
186 { 1, EMUX_FX_LFO1_FREQ, fx_lfo1_freq},
187 { 2, EMUX_FX_LFO2_DELAY, fx_lfo2_delay},
188 { 3, EMUX_FX_LFO2_FREQ, fx_lfo2_freq},
190 { 4, EMUX_FX_ENV1_DELAY, fx_env1_delay},
191 { 5, EMUX_FX_ENV1_ATTACK,fx_env1_attack},
192 { 6, EMUX_FX_ENV1_HOLD, fx_env1_hold},
193 { 7, EMUX_FX_ENV1_DECAY, fx_env1_decay},
194 { 8, EMUX_FX_ENV1_SUSTAIN, fx_env1_sustain},
195 { 9, EMUX_FX_ENV1_RELEASE, fx_env1_release},
197 {10, EMUX_FX_ENV2_DELAY, fx_env2_delay},
198 {11, EMUX_FX_ENV2_ATTACK, fx_env2_attack},
199 {12, EMUX_FX_ENV2_HOLD, fx_env2_hold},
200 {13, EMUX_FX_ENV2_DECAY, fx_env2_decay},
201 {14, EMUX_FX_ENV2_SUSTAIN, fx_env2_sustain},
202 {15, EMUX_FX_ENV2_RELEASE, fx_env2_release},
204 {16, EMUX_FX_INIT_PITCH, fx_init_pitch},
205 {17, EMUX_FX_LFO1_PITCH, fx_lfo1_pitch},
206 {18, EMUX_FX_LFO2_PITCH, fx_lfo2_pitch},
207 {19, EMUX_FX_ENV1_PITCH, fx_env1_pitch},
208 {20, EMUX_FX_LFO1_VOLUME, fx_lfo1_volume},
209 {21, EMUX_FX_CUTOFF, fx_cutoff},
210 {22, EMUX_FX_FILTERQ, fx_filterQ},
211 {23, EMUX_FX_LFO1_CUTOFF, fx_lfo1_cutoff},
212 {24, EMUX_FX_ENV1_CUTOFF, fx_env1_cutoff},
213 {25, EMUX_FX_CHORUS, fx_chorus},
214 {26, EMUX_FX_REVERB, fx_reverb},
217 static int num_awe_effects = NELEM(awe_effects);
221 * GS(SC88) NRPN effects; still experimental
224 /* cutoff: quarter semitone step, max=255 */
225 static int gs_cutoff(int val)
227 return (val - 64) * gs_sense[FX_CUTOFF] / 50;
230 /* resonance: 0 to 15(max) */
231 static int gs_filterQ(int val)
233 return (val - 64) * gs_sense[FX_RESONANCE] / 50;
237 static int gs_attack(int val)
239 return -(val - 64) * gs_sense[FX_ATTACK] / 50;
243 static int gs_decay(int val)
245 return -(val - 64) * gs_sense[FX_RELEASE] / 50;
249 static int gs_release(int val)
251 return -(val - 64) * gs_sense[FX_RELEASE] / 50;
254 /* vibrato freq: 0.042Hz step, max=255 */
255 static int gs_vib_rate(int val)
257 return (val - 64) * gs_sense[FX_VIBRATE] / 50;
260 /* vibrato depth: max=127, 1 octave */
261 static int gs_vib_depth(int val)
263 return (val - 64) * gs_sense[FX_VIBDEPTH] / 50;
266 /* vibrato delay: -0.725msec step */
267 static int gs_vib_delay(int val)
269 return -(val - 64) * gs_sense[FX_VIBDELAY] / 50;
272 static nrpn_conv_table gs_effects[] =
274 {32, EMUX_FX_CUTOFF, gs_cutoff},
275 {33, EMUX_FX_FILTERQ, gs_filterQ},
276 {99, EMUX_FX_ENV2_ATTACK, gs_attack},
277 {100, EMUX_FX_ENV2_DECAY, gs_decay},
278 {102, EMUX_FX_ENV2_RELEASE, gs_release},
279 {8, EMUX_FX_LFO1_FREQ, gs_vib_rate},
280 {9, EMUX_FX_LFO1_VOLUME, gs_vib_depth},
281 {10, EMUX_FX_LFO1_DELAY, gs_vib_delay},
284 static int num_gs_effects = NELEM(gs_effects);
291 snd_emux_nrpn(void *p, snd_midi_channel_t *chan, snd_midi_channel_set_t *chset)
293 snd_emux_port_t *port;
295 port = snd_magic_cast(snd_emux_port_t, p, return);
296 snd_assert(port != NULL, return);
297 snd_assert(chan != NULL, return);
299 if (chan->control[MIDI_CTL_NONREG_PARM_NUM_MSB] == 127 &&
300 chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB] <= 26) {
302 /* Win/DOS AWE32 specific NRPNs */
303 /* both MSB/LSB necessary */
304 val = (chan->control[MIDI_CTL_MSB_DATA_ENTRY] << 7) |
305 chan->control[MIDI_CTL_LSB_DATA_ENTRY];
307 send_converted_effect
308 (awe_effects, num_awe_effects,
309 port, chan, chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB],
310 val, EMUX_FX_FLAG_SET);
314 if (port->chset.midi_mode == SNDRV_MIDI_MODE_GS &&
315 chan->control[MIDI_CTL_NONREG_PARM_NUM_MSB] == 1) {
317 /* GS specific NRPNs */
318 /* only MSB is valid */
319 val = chan->control[MIDI_CTL_MSB_DATA_ENTRY];
320 send_converted_effect
321 (gs_effects, num_gs_effects,
322 port, chan, chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB],
323 val, EMUX_FX_FLAG_ADD);
330 * XG control effects; still experimental
333 /* cutoff: quarter semitone step, max=255 */
334 static int xg_cutoff(int val)
336 return (val - 64) * xg_sense[FX_CUTOFF] / 64;
339 /* resonance: 0(open) to 15(most nasal) */
340 static int xg_filterQ(int val)
342 return (val - 64) * xg_sense[FX_RESONANCE] / 64;
346 static int xg_attack(int val)
348 return -(val - 64) * xg_sense[FX_ATTACK] / 64;
352 static int xg_release(int val)
354 return -(val - 64) * xg_sense[FX_RELEASE] / 64;
357 static nrpn_conv_table xg_effects[] =
359 {71, EMUX_FX_CUTOFF, xg_cutoff},
360 {74, EMUX_FX_FILTERQ, xg_filterQ},
361 {72, EMUX_FX_ENV2_RELEASE, xg_release},
362 {73, EMUX_FX_ENV2_ATTACK, xg_attack},
365 static int num_xg_effects = NELEM(xg_effects);
368 snd_emux_xg_control(snd_emux_port_t *port, snd_midi_channel_t *chan, int param)
370 return send_converted_effect(xg_effects, num_xg_effects,
372 chan->control[param],
380 snd_emux_sysex(void *p, unsigned char *buf, int len, int parsed, snd_midi_channel_set_t *chset)
382 snd_emux_port_t *port;
385 port = snd_magic_cast(snd_emux_port_t, p, return);
386 snd_assert(port != NULL, return);
387 snd_assert(chset != NULL, return);
391 case SNDRV_MIDI_SYSEX_GS_MASTER_VOLUME:
392 snd_emux_update_port(port, SNDRV_EMUX_UPDATE_VOLUME);
396 emu->ops.sysex(emu, buf, len, parsed, chset);