diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/synth/emux/emux_nrpn.c')
-rw-r--r-- | ANDROID_3.4.5/sound/synth/emux/emux_nrpn.c | 396 |
1 files changed, 0 insertions, 396 deletions
diff --git a/ANDROID_3.4.5/sound/synth/emux/emux_nrpn.c b/ANDROID_3.4.5/sound/synth/emux/emux_nrpn.c deleted file mode 100644 index 00fc005e..00000000 --- a/ANDROID_3.4.5/sound/synth/emux/emux_nrpn.c +++ /dev/null @@ -1,396 +0,0 @@ -/* - * NRPN / SYSEX callbacks for Emu8k/Emu10k1 - * - * Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de> - * - * 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 - * - */ - -#include "emux_voice.h" -#include <sound/asoundef.h> - -/* - * conversion from NRPN/control parameters to Emu8000 raw parameters - */ - -/* NRPN / CC -> Emu8000 parameter converter */ -struct nrpn_conv_table { - int control; - int effect; - int (*convert)(int val); -}; - -/* effect sensitivity */ - -#define FX_CUTOFF 0 -#define FX_RESONANCE 1 -#define FX_ATTACK 2 -#define FX_RELEASE 3 -#define FX_VIBRATE 4 -#define FX_VIBDEPTH 5 -#define FX_VIBDELAY 6 -#define FX_NUMS 7 - -/* - * convert NRPN/control values - */ - -static int send_converted_effect(struct nrpn_conv_table *table, int num_tables, - struct snd_emux_port *port, - struct snd_midi_channel *chan, - int type, int val, int mode) -{ - int i, cval; - for (i = 0; i < num_tables; i++) { - if (table[i].control == type) { - cval = table[i].convert(val); - snd_emux_send_effect(port, chan, table[i].effect, - cval, mode); - return 1; - } - } - return 0; -} - -#define DEF_FX_CUTOFF 170 -#define DEF_FX_RESONANCE 6 -#define DEF_FX_ATTACK 50 -#define DEF_FX_RELEASE 50 -#define DEF_FX_VIBRATE 30 -#define DEF_FX_VIBDEPTH 4 -#define DEF_FX_VIBDELAY 1500 - -/* effect sensitivities for GS NRPN: - * adjusted for chaos 8MB soundfonts - */ -static int gs_sense[] = -{ - DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE, - DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY -}; - -/* effect sensitivies for XG controls: - * adjusted for chaos 8MB soundfonts - */ -static int xg_sense[] = -{ - DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE, - DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY -}; - - -/* - * AWE32 NRPN effects - */ - -static int fx_delay(int val); -static int fx_attack(int val); -static int fx_hold(int val); -static int fx_decay(int val); -static int fx_the_value(int val); -static int fx_twice_value(int val); -static int fx_conv_pitch(int val); -static int fx_conv_Q(int val); - -/* function for each NRPN */ /* [range] units */ -#define fx_env1_delay fx_delay /* [0,5900] 4msec */ -#define fx_env1_attack fx_attack /* [0,5940] 1msec */ -#define fx_env1_hold fx_hold /* [0,8191] 1msec */ -#define fx_env1_decay fx_decay /* [0,5940] 4msec */ -#define fx_env1_release fx_decay /* [0,5940] 4msec */ -#define fx_env1_sustain fx_the_value /* [0,127] 0.75dB */ -#define fx_env1_pitch fx_the_value /* [-127,127] 9.375cents */ -#define fx_env1_cutoff fx_the_value /* [-127,127] 56.25cents */ - -#define fx_env2_delay fx_delay /* [0,5900] 4msec */ -#define fx_env2_attack fx_attack /* [0,5940] 1msec */ -#define fx_env2_hold fx_hold /* [0,8191] 1msec */ -#define fx_env2_decay fx_decay /* [0,5940] 4msec */ -#define fx_env2_release fx_decay /* [0,5940] 4msec */ -#define fx_env2_sustain fx_the_value /* [0,127] 0.75dB */ - -#define fx_lfo1_delay fx_delay /* [0,5900] 4msec */ -#define fx_lfo1_freq fx_twice_value /* [0,127] 84mHz */ -#define fx_lfo1_volume fx_twice_value /* [0,127] 0.1875dB */ -#define fx_lfo1_pitch fx_the_value /* [-127,127] 9.375cents */ -#define fx_lfo1_cutoff fx_twice_value /* [-64,63] 56.25cents */ - -#define fx_lfo2_delay fx_delay /* [0,5900] 4msec */ -#define fx_lfo2_freq fx_twice_value /* [0,127] 84mHz */ -#define fx_lfo2_pitch fx_the_value /* [-127,127] 9.375cents */ - -#define fx_init_pitch fx_conv_pitch /* [-8192,8192] cents */ -#define fx_chorus fx_the_value /* [0,255] -- */ -#define fx_reverb fx_the_value /* [0,255] -- */ -#define fx_cutoff fx_twice_value /* [0,127] 62Hz */ -#define fx_filterQ fx_conv_Q /* [0,127] -- */ - -static int fx_delay(int val) -{ - return (unsigned short)snd_sf_calc_parm_delay(val); -} - -static int fx_attack(int val) -{ - return (unsigned short)snd_sf_calc_parm_attack(val); -} - -static int fx_hold(int val) -{ - return (unsigned short)snd_sf_calc_parm_hold(val); -} - -static int fx_decay(int val) -{ - return (unsigned short)snd_sf_calc_parm_decay(val); -} - -static int fx_the_value(int val) -{ - return (unsigned short)(val & 0xff); -} - -static int fx_twice_value(int val) -{ - return (unsigned short)((val * 2) & 0xff); -} - -static int fx_conv_pitch(int val) -{ - return (short)(val * 4096 / 1200); -} - -static int fx_conv_Q(int val) -{ - return (unsigned short)((val / 8) & 0xff); -} - - -static struct nrpn_conv_table awe_effects[] = -{ - { 0, EMUX_FX_LFO1_DELAY, fx_lfo1_delay}, - { 1, EMUX_FX_LFO1_FREQ, fx_lfo1_freq}, - { 2, EMUX_FX_LFO2_DELAY, fx_lfo2_delay}, - { 3, EMUX_FX_LFO2_FREQ, fx_lfo2_freq}, - - { 4, EMUX_FX_ENV1_DELAY, fx_env1_delay}, - { 5, EMUX_FX_ENV1_ATTACK,fx_env1_attack}, - { 6, EMUX_FX_ENV1_HOLD, fx_env1_hold}, - { 7, EMUX_FX_ENV1_DECAY, fx_env1_decay}, - { 8, EMUX_FX_ENV1_SUSTAIN, fx_env1_sustain}, - { 9, EMUX_FX_ENV1_RELEASE, fx_env1_release}, - - {10, EMUX_FX_ENV2_DELAY, fx_env2_delay}, - {11, EMUX_FX_ENV2_ATTACK, fx_env2_attack}, - {12, EMUX_FX_ENV2_HOLD, fx_env2_hold}, - {13, EMUX_FX_ENV2_DECAY, fx_env2_decay}, - {14, EMUX_FX_ENV2_SUSTAIN, fx_env2_sustain}, - {15, EMUX_FX_ENV2_RELEASE, fx_env2_release}, - - {16, EMUX_FX_INIT_PITCH, fx_init_pitch}, - {17, EMUX_FX_LFO1_PITCH, fx_lfo1_pitch}, - {18, EMUX_FX_LFO2_PITCH, fx_lfo2_pitch}, - {19, EMUX_FX_ENV1_PITCH, fx_env1_pitch}, - {20, EMUX_FX_LFO1_VOLUME, fx_lfo1_volume}, - {21, EMUX_FX_CUTOFF, fx_cutoff}, - {22, EMUX_FX_FILTERQ, fx_filterQ}, - {23, EMUX_FX_LFO1_CUTOFF, fx_lfo1_cutoff}, - {24, EMUX_FX_ENV1_CUTOFF, fx_env1_cutoff}, - {25, EMUX_FX_CHORUS, fx_chorus}, - {26, EMUX_FX_REVERB, fx_reverb}, -}; - - -/* - * GS(SC88) NRPN effects; still experimental - */ - -/* cutoff: quarter semitone step, max=255 */ -static int gs_cutoff(int val) -{ - return (val - 64) * gs_sense[FX_CUTOFF] / 50; -} - -/* resonance: 0 to 15(max) */ -static int gs_filterQ(int val) -{ - return (val - 64) * gs_sense[FX_RESONANCE] / 50; -} - -/* attack: */ -static int gs_attack(int val) -{ - return -(val - 64) * gs_sense[FX_ATTACK] / 50; -} - -/* decay: */ -static int gs_decay(int val) -{ - return -(val - 64) * gs_sense[FX_RELEASE] / 50; -} - -/* release: */ -static int gs_release(int val) -{ - return -(val - 64) * gs_sense[FX_RELEASE] / 50; -} - -/* vibrato freq: 0.042Hz step, max=255 */ -static int gs_vib_rate(int val) -{ - return (val - 64) * gs_sense[FX_VIBRATE] / 50; -} - -/* vibrato depth: max=127, 1 octave */ -static int gs_vib_depth(int val) -{ - return (val - 64) * gs_sense[FX_VIBDEPTH] / 50; -} - -/* vibrato delay: -0.725msec step */ -static int gs_vib_delay(int val) -{ - return -(val - 64) * gs_sense[FX_VIBDELAY] / 50; -} - -static struct nrpn_conv_table gs_effects[] = -{ - {32, EMUX_FX_CUTOFF, gs_cutoff}, - {33, EMUX_FX_FILTERQ, gs_filterQ}, - {99, EMUX_FX_ENV2_ATTACK, gs_attack}, - {100, EMUX_FX_ENV2_DECAY, gs_decay}, - {102, EMUX_FX_ENV2_RELEASE, gs_release}, - {8, EMUX_FX_LFO1_FREQ, gs_vib_rate}, - {9, EMUX_FX_LFO1_VOLUME, gs_vib_depth}, - {10, EMUX_FX_LFO1_DELAY, gs_vib_delay}, -}; - - -/* - * NRPN events - */ -void -snd_emux_nrpn(void *p, struct snd_midi_channel *chan, - struct snd_midi_channel_set *chset) -{ - struct snd_emux_port *port; - - port = p; - if (snd_BUG_ON(!port || !chan)) - return; - - if (chan->control[MIDI_CTL_NONREG_PARM_NUM_MSB] == 127 && - chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB] <= 26) { - int val; - /* Win/DOS AWE32 specific NRPNs */ - /* both MSB/LSB necessary */ - val = (chan->control[MIDI_CTL_MSB_DATA_ENTRY] << 7) | - chan->control[MIDI_CTL_LSB_DATA_ENTRY]; - val -= 8192; - send_converted_effect - (awe_effects, ARRAY_SIZE(awe_effects), - port, chan, chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB], - val, EMUX_FX_FLAG_SET); - return; - } - - if (port->chset.midi_mode == SNDRV_MIDI_MODE_GS && - chan->control[MIDI_CTL_NONREG_PARM_NUM_MSB] == 1) { - int val; - /* GS specific NRPNs */ - /* only MSB is valid */ - val = chan->control[MIDI_CTL_MSB_DATA_ENTRY]; - send_converted_effect - (gs_effects, ARRAY_SIZE(gs_effects), - port, chan, chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB], - val, EMUX_FX_FLAG_ADD); - return; - } -} - - -/* - * XG control effects; still experimental - */ - -/* cutoff: quarter semitone step, max=255 */ -static int xg_cutoff(int val) -{ - return (val - 64) * xg_sense[FX_CUTOFF] / 64; -} - -/* resonance: 0(open) to 15(most nasal) */ -static int xg_filterQ(int val) -{ - return (val - 64) * xg_sense[FX_RESONANCE] / 64; -} - -/* attack: */ -static int xg_attack(int val) -{ - return -(val - 64) * xg_sense[FX_ATTACK] / 64; -} - -/* release: */ -static int xg_release(int val) -{ - return -(val - 64) * xg_sense[FX_RELEASE] / 64; -} - -static struct nrpn_conv_table xg_effects[] = -{ - {71, EMUX_FX_CUTOFF, xg_cutoff}, - {74, EMUX_FX_FILTERQ, xg_filterQ}, - {72, EMUX_FX_ENV2_RELEASE, xg_release}, - {73, EMUX_FX_ENV2_ATTACK, xg_attack}, -}; - -int -snd_emux_xg_control(struct snd_emux_port *port, struct snd_midi_channel *chan, - int param) -{ - return send_converted_effect(xg_effects, ARRAY_SIZE(xg_effects), - port, chan, param, - chan->control[param], - EMUX_FX_FLAG_ADD); -} - -/* - * receive sysex - */ -void -snd_emux_sysex(void *p, unsigned char *buf, int len, int parsed, - struct snd_midi_channel_set *chset) -{ - struct snd_emux_port *port; - struct snd_emux *emu; - - port = p; - if (snd_BUG_ON(!port || !chset)) - return; - emu = port->emu; - - switch (parsed) { - case SNDRV_MIDI_SYSEX_GS_MASTER_VOLUME: - snd_emux_update_port(port, SNDRV_EMUX_UPDATE_VOLUME); - break; - default: - if (emu->ops.sysex) - emu->ops.sysex(emu, buf, len, parsed, chset); - break; - } -} - |