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ReEQ.jsfx
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ReEQ.jsfx
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desc: ReEQ
/*
ReEQ - A parametric graphic equalizer
Version: v1.1.1 <--- Make sure you change VERSION below if this changes!!
The MIT License (MIT)
Copyright (c) 2021 Justin Johnson
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
slider1:Stereo_Mode=<0,1,1{Mid/Side,Left/Right}>-Stereo Mode
slider2:Quality=1<0,1,1{Eco,HQ}>-Quality
slider3:Gain=0<-136,30,0.01>-Gain
slider4:MLGain=0<-136,30,0.01>-Mid/Left Gain
slider5:SRGain=0<-136,30,0.01>-Side/Right Gain
slider6:Scale=100<0,200,0.01>-Scale
slider7:Spectrum_Mode=3<0,5,1{Full,Mid,Side,Mid / Side,Left,Right,Left / Right}>-Spectrum
slider8:Display_Mode=0<0,2,1{Fill,Line,None}>-Display
slider9:Ceiling_Value=0<0,2,1{0dB,20dB,40dB}>-Ceiling
slider10:Floor_Value=0<0,2,1{-90dB,-140dB,-200dB}>-Floor
slider11:Tilt_Value=3<0,5,1{0dB/oct,1.5dB/oct,3dB/oct,4.5dB/oct,6dB/oct}>-Tilt
slider12:Type_Value=1<0,3,1{Hamming,Blackman-Harris,Blackman,Rectangular}>-Type
slider13:Block_Value=2<0,3,1{2048,4096,8192,16384}>-Block Size
slider14:Show_Piano=0<0,1,1{Off,On}>-Show Piano
slider15:Show_Peaks=0<0,1,1{Off,On}>-Show Peaks
slider16:Show_PreEQ=0<0,1,1{Off,On}>-Show Pre-EQ
slider17:Db_Range=2<0,4,1{6dB,12dB,18dB,24dB,30dB}>-dB Range
slider18:Node1_Enabled=<0,2,1{Off,Disabled,Enabled}>-Filter1 Mode
slider19:Node1_Group=0<0,2,1{Stereo,Mid,Side,Left,Right}>-Filter1 Group
slider20:Node1_Type=0<0,10,1{Peak,Low Cut,Low Cut (Butterworth),Low Shelf,High Shelf,High Cut,High Cut (Butterworth),Notch,Band Pass,Tilt Shelf,Pultec Low Shelf,All Pass,Low Cut Analog,High Cut Analog}>-Filter1 Type
slider21:Node1_Frequency=50.81<0,100,0.01>-Filter1 Frequency
slider22:Node1_Gain=8.0<-18.0,18.0,0.01>-Filter1 Gain
slider23:Node1_Q=32.647<0,100.0,0.01>-Filter1 Q
slider24:Node1_Slope=0<0,15,1>-Filter1 Slope
slider25:Node2_Enabled=0<0,2,1{Off,Disabled,Enabled}>-Filter2 Mode
slider26:Node2_Group=0<0,2,1{Stereo,Mid,Side,Left,Right}>-Filter2 Group
slider27:Node2_Type=0<0,10,1{Peak,Low Cut,Low Cut (Butterworth),Low Shelf,High Shelf,High Cut,High Cut (Butterworth),Notch,Band Pass,Tilt Shelf,Pultec Low Shelf,All Pass,Low Cut Analog,High Cut Analog}>-Filter2 Type
slider28:Node2_Frequency=30<0,100,0.01>-Filter2 Frequency
slider29:Node2_Gain=0.0<-18.0,18.0,0.01>-Filter2 Gain
slider30:Node2_Q=32.647<0,100.0,0.01>-Filter2 Q
slider31:Node2_Slope=0<0,15,1>-Filter2 Slope
slider32:Node3_Enabled=0<0,2,1{Off,Disabled,Enabled}>-Filter3 Mode
slider33:Node3_Group=0<0,2,1{Stereo,Mid,Side,Left,Right}>-Filter3 Group
slider34:Node3_Type=0<0,10,1{Peak,Low Cut,Low Cut (Butterworth),Low Shelf,High Shelf,High Cut,High Cut (Butterworth),Notch,Band Pass,Tilt Shelf,Pultec Low Shelf,All Pass,Low Cut Analog,High Cut Analog}>-Filter3 Type
slider35:Node3_Frequency=40<0,100,0.01>-Filter3 Frequency
slider36:Node3_Gain=0.0<-18.0,18.0,0.01>-Filter3 Gain
slider37:Node3_Q=32.647<0,100.0,0.01>-Filter3 Q
slider38:Node3_Slope=0<0,15,1>-Filter3 Slope
slider39:Node4_Enabled=0<0,2,1{Off,Disabled,Enabled}>-Filter4 Mode
slider40:Node4_Group=0<0,2,1{Stereo,Mid,Side,Left,Right}>-Filter4 Group
slider41:Node4_Type=0<0,10,1{Peak,Low Cut,Low Cut (Butterworth),Low Shelf,High Shelf,High Cut,High Cut (Butterworth),Notch,Band Pass,Tilt Shelf,Pultec Low Shelf,All Pass,Low Cut Analog,High Cut Analog}>-Filter4 Type
slider42:Node4_Frequency=70<0,100,0.01>-Filter4 Frequency
slider43:Node4_Gain=0.0<-18.0,18.0,0.01>-Filter4 Gain
slider44:Node4_Q=32.647<0,100.0,0.01>-Filter4 Q
slider45:Node4_Slope=0<0,15,1>-Filter4 Slope
slider46:Node5_Enabled=0<0,2,1{Off,Disabled,Enabled}>-Filter5 Mode
slider47:Node5_Group=0<0,2,1{Stereo,Mid,Side,Left,Right}>-Filter5 Group
slider48:Node5_Type=0<0,10,1{Peak,Low Cut,Low Cut (Butterworth),Low Shelf,High Shelf,High Cut,High Cut (Butterworth),Notch,Band Pass,Tilt Shelf,Pultec Low Shelf,All Pass,Low Cut Analog,High Cut Analog}>-Filter5 Type
slider49:Node5_Frequency=70<0,100,0.01>-Filter5 Frequency
slider50:Node5_Gain=0.0<-18.0,18.0,0.01>-Filter5 Gain
slider51:Node5_Q=32.647<0,100.0,0.01>-Filter5 Q
slider52:Node5_Slope=0<0,15,1>-Filter5 Slope
slider53:MidPolarity=0<0,1,1>-Mid Polarity
slider54:SidePolarity=0<0,1,1>-Side Polarity
slider55:LimitOutput=0<0,1,1>-Limit Output
slider56:AGCEnabled=0<0,1,1>-AGC Enabled
slider57:PanelEnabled=1<0,1,1>-Panel Enabled
import spectrum.jsfx-inc
import svf_filter.jsfx-inc
import firhalfband.jsfx-inc
in_pin:left input
in_pin:right input
in_pin:sc input left
in_pin:sc input right
out_pin:left output
out_pin:right output
options:no_meter
@init
// This should be the same as in the comment header
#VERSION = "1.1.1";
gfx_ext_retina = 1;
ext_nodenorm = 1;
ext_noinit = 1;
last_gfx_ext_retina = -1;
/*
* Initialise memory allocator
*/
function init_memory() instance(index) (
index = 0;
);
/*
* Allocate memory
*/
function alloc_memory(amount) instance(index) local(i) (
i = index;
index += amount;
i;
);
/*
* Round number up or down
*/
function round(in) (
floor(in + 0.5 * sign(in));
);
/*
* Standard log2
*/
function log2(x) (
log(x) / log(2);
);
/*
* Return string of integer
*/
function int2str(intIn) local (outStr) (
strcpy(outStr=#,"");
sprintf(outStr,"%d",intIn);
outStr;
);
/*
* Get note from frequency
*/
function freq2note(f) (
round(12*(log(f/440)/log(2))+69);
);
/*
* Get gain (for filters) from dB
*/
function db_to_gain(db) (
10^(db / 40);
);
function RMS_init(buffer_index, buffer_size)
instance(rms_sum, rms_buffer, rms_bufIdx, rms_prev_val, rms_max_count)
(
rms_sum = 0;
rms_buffer = buffer_index;
rms_bufIdx = 0;
rms_prev_val = 0;
rms_max_count = buffer_size;
memset(rms_buffer , 0, rms_max_count);
);
function RMS_reset()
instance(rms_sum, rms_buffer, rms_bufIdx, rms_prev_val, rms_max_count)
(
rms_sum = 0;
rms_bufIdx = 0;
rms_prev_val = 0;
memset(rms_buffer , 0, rms_max_count);
);
function RMS_process(s0, s1)
instance(rms_sum, rms_buffer, rms_bufIdx, rms_prev_val, rms_max_count)
local(rms_ampL, rms_ampR, rms_amp)
(
rms_ampL = abs(s0);
rms_ampR = abs(s1);
// Epsilon clamp required
rms_ampL < 0.0000001 ? rms_ampL = 0.0000001;
rms_ampR < 0.0000001 ? rms_ampR = 0.0000001;
rms_amp = (rms_ampL * rms_ampL + rms_ampR * rms_ampR) * 0.5;
rms_sum += rms_amp;
rms_prev_val = rms_buffer[rms_bufIdx];
rms_buffer[rms_bufIdx] = rms_amp;
rms_bufIdx += 1;
rms_bufIdx == rms_max_count ? (
rms_bufIdx = 0;
);
rms_sum -= rms_prev_val;
rms_sum < 0 ? rms_sum = 0.0;
);
function RMS_getDB()
instance(rms_sum, rms_max_count)
local(rms_delta, rms_db)
(
rms_delta = rms_sum / rms_max_count;
rms_db = 20 * log10(sqrt(rms_delta));
rms_db;
);
/*
* Color object
*/
function create_color(r, g, b)
instance(red, green, blue) (
red = r / 255;
green = g / 255;
blue = b / 255;
);
/*
* Set oversampling rate including PDC
*/
function set_oversample(os) (
// We'll only switch to oversampling if the sample rate
// is low enough to benefit.
srate < 88200 && os ? (
DO_OVERSAMPLE = 1;
SAMPLE_RATE = srate * 2;
ONE_OVER_SAMPLE_RATE = 1.0 / SAMPLE_RATE;
// Choose right FIR window for sample rate
srate == 44100 ? (
firL.init_FIR_filter_44100();
firR.init_FIR_filter_44100();
) : srate == 48000 ? (
firL.init_FIR_filter_48000();
firR.init_FIR_filter_48000();
);
pdc_delay = get_FIR_pdc();
pdc_bot_ch = 0;
pdc_top_ch = 2;
) : (
DO_OVERSAMPLE = 0;
SAMPLE_RATE = srate;
ONE_OVER_SAMPLE_RATE = 1.0 / srate;
pdc_delay = 0;
pdc_bot_ch = 0;
pdc_top_ch = 2;
);
);
/*
* Update the state of any changes
*/
function update_state() local (blocks, fade, fill_r, fill_g, fill_b, fill_a, line_r, line_g, line_b, line_a) (
spectrum.ceiling = Ceiling_Value == 0 ? 0 : Ceiling_Value == 1 ? 20 : Ceiling_Value == 2 ? 40;
spectrum.noise_floor = Floor_Value == 0 ? -90 : Floor_Value == 1 ? -140 : Floor_Value == 2 ? -200;
spectrum.noise_floor = Floor_Value == 0 ? -90 : Floor_Value == 1 ? -140 : Floor_Value == 2 ? -200;
spectrum.tilt = Tilt_Value == 0 ? 0 : Tilt_Value == 1 ? 1.5 : Tilt_Value == 2 ? 3 : Tilt_Value == 3 ? 4.5 :
Tilt_Value == 4 ? 6;
spectrum.windowtype != Type_Value+1 ? spectrum.set_type(Type_Value+1);
blocks = (2 ^ (Block_Value+1)) * 1024;
spectrum.windowsize != blocks ? spectrum.set_block_size(blocks);
fade = do_listen ? 0.5 : 1.0;
// Listen spectrum colours
listline_r = (240 / 255) * 0.80;
listline_g = (101 / 255) * 0.80;
listline_b = (76 / 255) * 0.80;
Display_Mode == 0 ? (
fill_r = 46 / 255;
fill_g = 71 / 255;
fill_b = 83 / 255;
fill_a = 1.0;
spectrum.set_fill(0, 1);
spectrum.set_color(0, fill_r*fade, fill_g*fade, fill_b*fade, fill_a);
spectrum.set_fill(2, 0);
spectrum.set_color(2, 0.5, 0.5, 0.5, 1);
fill_r = 96 / 255;
fill_g = 223 / 255;
fill_b = 255 / 255;
fill_a = 0.5;
spectrum.set_fill(1, 1);
spectrum.set_color(1, fill_r*fade, fill_g*fade, fill_b*fade, fill_a);
spectrum.set_fill(3, 0);
spectrum.set_color(3, 0.5, 0.5, 0.5, 1);
spectrum.set_fill(4, 0);
spectrum.set_color(4, listline_r, listline_g, listline_b, 1);
spectrum.set_fill(5, 0);
spectrum.set_color(5, listline_r*0.80, listline_g*0.80, listline_b*0.80, 1);
) : Display_Mode == 1 ? (
line_a=1.0;
line_r = 114 / 255; line_g = 215 / 255; line_b = 253 / 255;;
spectrum.set_fill(0, 0);
spectrum.set_color(0, line_r*fade, line_g*fade, line_b*fade, line_a);
spectrum.set_fill(2, 0);
spectrum.set_color(2, 0.5, 0.5, 0.5, 1);
line_r = 253 / 255; line_g = 185 / 255; line_b = 21 / 255;;
spectrum.set_fill(1, 0);
spectrum.set_color(1, line_r*fade, line_g*fade, line_b*fade, line_a);
spectrum.set_fill(3, 0);
spectrum.set_color(3, 0.5, 0.5, 0.5, 1);
spectrum.set_fill(4, 0);
spectrum.set_color(4, listline_r, listline_g, listline_b, 1);
spectrum.set_fill(5, 0);
spectrum.set_color(5, listline_r*0.80, listline_g*0.80, listline_b*0.80, 1);
);
Db_Range == 0 ? (DB_EQ_RANGE = 6; DB_EQ_RANGE_STEPS = 1;) :
Db_Range == 1 ? (DB_EQ_RANGE = 12; DB_EQ_RANGE_STEPS = 3;) :
Db_Range == 2 ? (DB_EQ_RANGE = 18; DB_EQ_RANGE_STEPS = 6;) :
Db_Range == 3 ? (DB_EQ_RANGE = 24; DB_EQ_RANGE_STEPS = 8;) :
Db_Range == 4 ? (DB_EQ_RANGE = 30; DB_EQ_RANGE_STEPS = 10;);
// spectrum.reset_buffers();
);
/*
* Notify Reaper that frequency has been touched
*/
function notify_touched_frequency(node) (
// Notify Reaper that a parameter change has happened
node == 0 ? slider_automate(Node1_Frequency) :
node == 1 ? slider_automate(Node2_Frequency) :
node == 2 ? slider_automate(Node3_Frequency) :
node == 3 ? slider_automate(Node4_Frequency) :
node == 4 ? slider_automate(Node5_Frequency);
);
/*
* Notify Reaper that gain has been touched
*/
function notify_touched_gain(node) (
// Notify Reaper that a parameter change has happened
node == 0 ? slider_automate(Node1_Gain) :
node == 1 ? slider_automate(Node2_Gain) :
node == 2 ? slider_automate(Node3_Gain) :
node == 3 ? slider_automate(Node4_Gain) :
node == 4 ? slider_automate(Node5_Gain);
);
/*
* Notify Reaper that Q has been touched
*/
function notify_touched_Q(node) (
// Notify Reaper that a parameter change has happened
node == 0 ? slider_automate(Node1_Q) :
node == 1 ? slider_automate(Node2_Q) :
node == 2 ? slider_automate(Node3_Q) :
node == 3 ? slider_automate(Node4_Q) :
node == 4 ? slider_automate(Node5_Q);
);
function band_init()
instance (enabled, type, frequency, gain, q, filter, color) (
filter.svf_set_sample_rate(SAMPLE_RATE);
filter.svf_bypass();
color.create_color(0,0,0);
filter.a1 = filter.t_a1;
filter.a2 = filter.t_a2;
filter.a3 = filter.t_a3;
filter.m0 = filter.t_m0;
filter.m1 = filter.t_m1;
filter.m2 = filter.t_m2;
filter.iter_t = 1.0;
);
/*
* Set enabled state for a band
*/
function band_set_enabled(e)
instance (enabled, type, frequency, gain, q, filter, color) (
enabled = e;
);
/*
* Set the filter
*/
function band_set_filter(t, f, g, qval, slope)
instance (enabled, type, frequency, gain, q, filter, color) (
type = t; frequency = f; gain = g; q = qval;
type == 0 ? filter.svf_eq(frequency, q, db_to_gain(gain)) :
type == 1 ? filter.svf_hp(frequency, q, slope) :
type == 2 ? filter.svf_hpb(frequency, slope) :
type == 3 ? filter.svf_ls(frequency, q, db_to_gain(gain)) :
type == 4 ? filter.svf_hs(frequency, q, db_to_gain(gain)) :
type == 5 ? filter.svf_lp(frequency, q, slope) :
type == 6 ? filter.svf_lpb(frequency, slope) :
type == 7 ? filter.svf_bs(frequency, q) :
type == 8 ? filter.svf_bp2(frequency, q) :
type == 9 ? filter.svf_st(frequency, q, gain) :
type == 10 ? filter.svf_pultecls(frequency, q, gain) :
type == 11 ? filter.svf_ap(frequency, q) :
type == 12 ? filter.svf_analog_lowcut(frequency, q, gain) :
type == 13 ? filter.svf_analog_highcut(frequency, q, gain);
);
/*
* Convert slider % to frequency
*/
function per_to_freq(x, range) (
MIN_FREQ * exp(FREQ_LOG_MAX * x / range);
);
/*
* Convert frequency to slider %
*/
function freq_to_per(freq, range) (
range * log(freq / MIN_FREQ) / FREQ_LOG_MAX;
);
function per_to_q(x, range) (
MIN_Q * exp(Q_LOG_MAX * x / range);
);
/*
* Convert frequency to slider %
*/
function q_to_per(q, range) (
range * log(q / MIN_Q) / Q_LOG_MAX;
);
/*
* Update sliders with filter data
*/
function filters_to_sliders() (
Node1_Enabled = Band_Enabled[0];
Node1_Group = Band_Group[0];
Node1_Type = Band_Type[0];
Node1_Frequency = freq_to_per(Band_Frequency[0], 100);
Node1_Gain = Band_Gain[0];
Node1_Q = q_to_per(Band_Q[0], 100);
Node1_Slope = Band_Slope[0];
Node2_Enabled = Band_Enabled[1];
Node2_Group = Band_Group[1];
Node2_Type = Band_Type[1];
Node2_Frequency = freq_to_per(Band_Frequency[1], 100);
Node2_Gain = Band_Gain[1];
Node2_Q = q_to_per(Band_Q[1], 100);
Node2_Slope = Band_Slope[1];
Node3_Enabled = Band_Enabled[2];
Node3_Group = Band_Group[2];
Node3_Type = Band_Type[2];
Node3_Frequency = freq_to_per(Band_Frequency[2], 100);
Node3_Gain = Band_Gain[2];
Node3_Q = q_to_per(Band_Q[2], 100);
Node3_Slope = Band_Slope[2];
Node4_Enabled = Band_Enabled[3];
Node4_Group = Band_Group[3];
Node4_Type = Band_Type[3];
Node4_Frequency = freq_to_per(Band_Frequency[3], 100);
Node4_Gain = Band_Gain[3];
Node4_Q = q_to_per(Band_Q[3], 100);
Node4_Slope = Band_Slope[3];
Node5_Enabled = Band_Enabled[4];
Node5_Group = Band_Group[4];
Node5_Type = Band_Type[4];
Node5_Frequency = freq_to_per(Band_Frequency[4], 100);
Node5_Gain = Band_Gain[4];
Node5_Q = q_to_per(Band_Q[4], 100);
Node5_Slope = Band_Slope[4];
);
/*
* Update filter data with sliders
*/
function sliders_to_filters() (
Band_Enabled[0] = Node1_Enabled;
Band_Group[0] = Node1_Group;
Band_Type[0] = Node1_Type;
Band_Frequency[0] = per_to_freq(Node1_Frequency, 100);
Band_Gain[0] = Node1_Gain;
Band_Q[0] = per_to_q(Node1_Q, 100);
Band_Slope[0] = Node1_Slope;
Band_Enabled[1] = Node2_Enabled;
Band_Group[1] = Node2_Group;
Band_Type[1] = Node2_Type;
Band_Frequency[1] = per_to_freq(Node2_Frequency, 100);
Band_Gain[1] = Node2_Gain;
Band_Q[1] = per_to_q(Node2_Q, 100);
Band_Slope[1] = Node2_Slope;
Band_Enabled[2] = Node3_Enabled;
Band_Group[2] = Node3_Group;
Band_Type[2] = Node3_Type;
Band_Frequency[2] = per_to_freq(Node3_Frequency, 100);;
Band_Gain[2] = Node3_Gain;
Band_Q[2] = per_to_q(Node3_Q, 100);
Band_Slope[2] = Node3_Slope;
Band_Enabled[3] = Node4_Enabled;
Band_Group[3] = Node4_Group;
Band_Type[3] = Node4_Type;
Band_Frequency[3] = per_to_freq(Node4_Frequency, 100);;
Band_Gain[3] = Node4_Gain;
Band_Q[3] = per_to_q(Node4_Q, 100);
Band_Slope[3] = Node4_Slope;
Band_Enabled[4] = Node5_Enabled;
Band_Group[4] = Node5_Group;
Band_Type[4] = Node5_Type;
Band_Frequency[4] = per_to_freq(Node5_Frequency, 100);;
Band_Gain[4] = Node5_Gain;
Band_Q[4] = per_to_q(Node5_Q, 100);
Band_Slope[4] = Node5_Slope;
);
/*
* Flag filter to update for both audio and graphics
*/
function flag_filter_update(band) (
Band_Update[band] = 1;
Band_GfxUpdate[band] = 1;
);
function flag_filter_update_all() (
Band_Update[0] = 1; Band_GfxUpdate[0] = 1;
Band_Update[1] = 1; Band_GfxUpdate[1] = 1;
Band_Update[2] = 1; Band_GfxUpdate[2] = 1;
Band_Update[3] = 1; Band_GfxUpdate[3] = 1;
Band_Update[4] = 1; Band_GfxUpdate[4] = 1;
Band_Update[5] = 1; Band_GfxUpdate[5] = 1;
Band_Update[6] = 1; Band_GfxUpdate[6] = 1;
Band_Update[7] = 1; Band_GfxUpdate[7] = 1;
Band_Update[8] = 1; Band_GfxUpdate[8] = 1;
Band_Update[9] = 1; Band_GfxUpdate[9] = 1;
Band_Update[10] = 1; Band_GfxUpdate[10] = 1;
Band_Update[11] = 1; Band_GfxUpdate[11] = 1;
Band_Update[12] = 1; Band_GfxUpdate[12] = 1;
Band_Update[13] = 1; Band_GfxUpdate[13] = 1;
Band_Update[14] = 1; Band_GfxUpdate[14] = 1;
Band_Update[15] = 1; Band_GfxUpdate[15] = 1;
);
/*
* Update the filter parameters
*/
function update_visual_filters() local (band_scalar) (
band_scalar = Scale / 100.0;
Band_GfxUpdate[0] ? (Band_GfxUpdate[0] = 0; gfx_band1.band_set_filter(Band_Type[0], Band_Frequency[0], Band_Gain[0] * band_scalar, Band_Q[0], Band_Slope[0]); gfx_band1.filter.svf_set_to_target(); );
Band_GfxUpdate[1] ? (Band_GfxUpdate[1] = 0; gfx_band2.band_set_filter(Band_Type[1], Band_Frequency[1], Band_Gain[1] * band_scalar, Band_Q[1], Band_Slope[1]); gfx_band2.filter.svf_set_to_target(); );
Band_GfxUpdate[2] ? (Band_GfxUpdate[2] = 0; gfx_band3.band_set_filter(Band_Type[2], Band_Frequency[2], Band_Gain[2] * band_scalar, Band_Q[2], Band_Slope[2]); gfx_band3.filter.svf_set_to_target(); );
Band_GfxUpdate[3] ? (Band_GfxUpdate[3] = 0; gfx_band4.band_set_filter(Band_Type[3], Band_Frequency[3], Band_Gain[3] * band_scalar, Band_Q[3], Band_Slope[3]); gfx_band4.filter.svf_set_to_target(); );
Band_GfxUpdate[4] ? (Band_GfxUpdate[4] = 0; gfx_band5.band_set_filter(Band_Type[4], Band_Frequency[4], Band_Gain[4] * band_scalar, Band_Q[4], Band_Slope[4]); gfx_band5.filter.svf_set_to_target(); );
Band_GfxUpdate[5] ? (Band_GfxUpdate[5] = 0; gfx_band6.band_set_filter(Band_Type[5], Band_Frequency[5], Band_Gain[5] * band_scalar, Band_Q[5], Band_Slope[5]); gfx_band6.filter.svf_set_to_target(); );
Band_GfxUpdate[6] ? (Band_GfxUpdate[6] = 0; gfx_band7.band_set_filter(Band_Type[6], Band_Frequency[6], Band_Gain[6] * band_scalar, Band_Q[6], Band_Slope[6]); gfx_band7.filter.svf_set_to_target(); );
Band_GfxUpdate[7] ? (Band_GfxUpdate[7] = 0; gfx_band8.band_set_filter(Band_Type[7], Band_Frequency[7], Band_Gain[7] * band_scalar, Band_Q[7], Band_Slope[7]); gfx_band8.filter.svf_set_to_target(); );
Band_GfxUpdate[8] ? (Band_GfxUpdate[8] = 0; gfx_band9.band_set_filter(Band_Type[8], Band_Frequency[8], Band_Gain[8] * band_scalar, Band_Q[8], Band_Slope[8]); gfx_band9.filter.svf_set_to_target(); );
Band_GfxUpdate[9] ? (Band_GfxUpdate[9] = 0; gfx_band10.band_set_filter(Band_Type[9], Band_Frequency[9], Band_Gain[9] * band_scalar, Band_Q[9], Band_Slope[9]); gfx_band10.filter.svf_set_to_target(); );
Band_GfxUpdate[10] ? (Band_GfxUpdate[10] = 0; gfx_band11.band_set_filter(Band_Type[10], Band_Frequency[10], Band_Gain[10] * band_scalar, Band_Q[10], Band_Slope[10]); gfx_band11.filter.svf_set_to_target(); );
Band_GfxUpdate[11] ? (Band_GfxUpdate[11] = 0; gfx_band12.band_set_filter(Band_Type[11], Band_Frequency[11], Band_Gain[11] * band_scalar, Band_Q[11], Band_Slope[11]); gfx_band12.filter.svf_set_to_target(); );
Band_GfxUpdate[12] ? (Band_GfxUpdate[12] = 0; gfx_band13.band_set_filter(Band_Type[12], Band_Frequency[12], Band_Gain[12] * band_scalar, Band_Q[12], Band_Slope[12]); gfx_band13.filter.svf_set_to_target(); );
Band_GfxUpdate[13] ? (Band_GfxUpdate[13] = 0; gfx_band14.band_set_filter(Band_Type[13], Band_Frequency[13], Band_Gain[13] * band_scalar, Band_Q[13], Band_Slope[13]); gfx_band14.filter.svf_set_to_target(); );
Band_GfxUpdate[14] ? (Band_GfxUpdate[14] = 0; gfx_band15.band_set_filter(Band_Type[14], Band_Frequency[14], Band_Gain[14] * band_scalar, Band_Q[14], Band_Slope[14]); gfx_band15.filter.svf_set_to_target(); );
Band_GfxUpdate[15] ? (Band_GfxUpdate[15] = 0; gfx_band16.band_set_filter(Band_Type[15], Band_Frequency[15], Band_Gain[15] * band_scalar, Band_Q[15], Band_Slope[15]); gfx_band16.filter.svf_set_to_target(); );
);
function update_audio_filters() local (band_scalar) (
band_scalar = Scale / 100.0;
Band_Update[0] ? (Band_Update[0] = 0; Band_Enabled[0] != BAND_STATE_ENABLED ? band1.filter.svf_bypass() : band1.band_set_filter(Band_Type[0], Band_Frequency[0], Band_Gain[0] * band_scalar, Band_Q[0], Band_Slope[0]); );
Band_Update[1] ? (Band_Update[1] = 0; Band_Enabled[1] != BAND_STATE_ENABLED ? band2.filter.svf_bypass() : band2.band_set_filter(Band_Type[1], Band_Frequency[1], Band_Gain[1] * band_scalar, Band_Q[1], Band_Slope[1]); );
Band_Update[2] ? (Band_Update[2] = 0; Band_Enabled[2] != BAND_STATE_ENABLED ? band3.filter.svf_bypass() : band3.band_set_filter(Band_Type[2], Band_Frequency[2], Band_Gain[2] * band_scalar, Band_Q[2], Band_Slope[2]); );
Band_Update[3] ? (Band_Update[3] = 0; Band_Enabled[3] != BAND_STATE_ENABLED ? band4.filter.svf_bypass() : band4.band_set_filter(Band_Type[3], Band_Frequency[3], Band_Gain[3] * band_scalar, Band_Q[3], Band_Slope[3]); );
Band_Update[4] ? (Band_Update[4] = 0; Band_Enabled[4] != BAND_STATE_ENABLED ? band5.filter.svf_bypass() : band5.band_set_filter(Band_Type[4], Band_Frequency[4], Band_Gain[4] * band_scalar, Band_Q[4], Band_Slope[4]); );
Band_Update[5] ? (Band_Update[5] = 0; Band_Enabled[5] != BAND_STATE_ENABLED ? band6.filter.svf_bypass() : band6.band_set_filter(Band_Type[5], Band_Frequency[5], Band_Gain[5] * band_scalar, Band_Q[5], Band_Slope[5]); );
Band_Update[6] ? (Band_Update[6] = 0; Band_Enabled[6] != BAND_STATE_ENABLED ? band7.filter.svf_bypass() : band7.band_set_filter(Band_Type[6], Band_Frequency[6], Band_Gain[6] * band_scalar, Band_Q[6], Band_Slope[6]); );
Band_Update[7] ? (Band_Update[7] = 0; Band_Enabled[7] != BAND_STATE_ENABLED ? band8.filter.svf_bypass() : band8.band_set_filter(Band_Type[7], Band_Frequency[7], Band_Gain[7] * band_scalar, Band_Q[7], Band_Slope[7]); );
Band_Update[8] ? (Band_Update[8] = 0; Band_Enabled[8] != BAND_STATE_ENABLED ? band9.filter.svf_bypass() : band9.band_set_filter(Band_Type[8], Band_Frequency[8], Band_Gain[8] * band_scalar, Band_Q[8], Band_Slope[8]); );
Band_Update[9] ? (Band_Update[9] = 0; Band_Enabled[9] != BAND_STATE_ENABLED ? band10.filter.svf_bypass() : band10.band_set_filter(Band_Type[9], Band_Frequency[9], Band_Gain[9] * band_scalar, Band_Q[9], Band_Slope[9]); );
Band_Update[10] ? (Band_Update[10] = 0; Band_Enabled[10] != BAND_STATE_ENABLED ? band11.filter.svf_bypass() : band11.band_set_filter(Band_Type[10], Band_Frequency[10], Band_Gain[10] * band_scalar, Band_Q[10], Band_Slope[10]); );
Band_Update[11] ? (Band_Update[11] = 0; Band_Enabled[11] != BAND_STATE_ENABLED ? band12.filter.svf_bypass() : band12.band_set_filter(Band_Type[11], Band_Frequency[11], Band_Gain[11] * band_scalar, Band_Q[11], Band_Slope[11]); );
Band_Update[12] ? (Band_Update[12] = 0; Band_Enabled[12] != BAND_STATE_ENABLED ? band13.filter.svf_bypass() : band13.band_set_filter(Band_Type[12], Band_Frequency[12], Band_Gain[12] * band_scalar, Band_Q[12], Band_Slope[12]); );
Band_Update[13] ? (Band_Update[13] = 0; Band_Enabled[13] != BAND_STATE_ENABLED ? band14.filter.svf_bypass() : band14.band_set_filter(Band_Type[13], Band_Frequency[13], Band_Gain[13] * band_scalar, Band_Q[13], Band_Slope[13]); );
Band_Update[14] ? (Band_Update[14] = 0; Band_Enabled[14] != BAND_STATE_ENABLED ? band15.filter.svf_bypass() : band15.band_set_filter(Band_Type[14], Band_Frequency[14], Band_Gain[14] * band_scalar, Band_Q[14], Band_Slope[14]); );
Band_Update[15] ? (Band_Update[15] = 0; Band_Enabled[15] != BAND_STATE_ENABLED ? band16.filter.svf_bypass() : band16.band_set_filter(Band_Type[15], Band_Frequency[15], Band_Gain[15] * band_scalar, Band_Q[15], Band_Slope[15]); );
);
init_rate != srate ? (
init_rate = srate;
// Initialise everything
MEMORY.init_memory();
spectrum.init();
MEMORY.index = spectrum.get_memory_index();
BAND_STATE_OFF = 0;
BAND_STATE_DISABLED = 1;
BAND_STATE_ENABLED = 2;
BAND_STATE_INFORM_DISABLE = 3;
// Allocate and init filter bands
NUM_BANDS = 16;
Band_Update = MEMORY.alloc_memory(NUM_BANDS);
Band_GfxUpdate = MEMORY.alloc_memory(NUM_BANDS);
Band_Enabled = MEMORY.alloc_memory(NUM_BANDS);
Band_Group = MEMORY.alloc_memory(NUM_BANDS);
Band_Type = MEMORY.alloc_memory(NUM_BANDS);
Band_Frequency = MEMORY.alloc_memory(NUM_BANDS);
Band_Gain = MEMORY.alloc_memory(NUM_BANDS);
Band_Q = MEMORY.alloc_memory(NUM_BANDS);
Band_Slope = MEMORY.alloc_memory(NUM_BANDS);
Band_Dynamic_Range = MEMORY.alloc_memory(NUM_BANDS);
Band_Red = MEMORY.alloc_memory(NUM_BANDS);
Band_Green = MEMORY.alloc_memory(NUM_BANDS);
Band_Blue = MEMORY.alloc_memory(NUM_BANDS);
Band_Selected = MEMORY.alloc_memory(NUM_BANDS);
Band_Drag_OffsetX = MEMORY.alloc_memory(NUM_BANDS);
Band_Drag_OffsetY = MEMORY.alloc_memory(NUM_BANDS);
Band_Invert_dB = MEMORY.alloc_memory(NUM_BANDS);
Band_Selected_States = MEMORY.alloc_memory(NUM_BANDS);
band = 0;
while (band < NUM_BANDS) (
Band_Selected[band] = 0;
Band_Drag_OffsetX[band] = 0;
Band_Drag_OffsetY[band] = 0;
Band_Invert_dB[band] = 0;
Band_Selected_States[band] = 0;
band += 1;
);
band_selected_circle_last_time = time_precise();
band_selected_circle_phase = 0.0;
band_selected_circle_alpha = 0.8;
// Filters for @slider, @block and @sample
band1.band_init();
band2.band_init();
band3.band_init();
band4.band_init();
band5.band_init();
band6.band_init();
band7.band_init();
band8.band_init();
band9.band_init();
band10.band_init();
band11.band_init();
band12.band_init();
band13.band_init();
band14.band_init();
band15.band_init();
band16.band_init();
// Filters for @gfx
gfx_band1.band_init();
gfx_band2.band_init();
gfx_band3.band_init();
gfx_band4.band_init();
gfx_band5.band_init();
gfx_band6.band_init();
gfx_band7.band_init();
gfx_band8.band_init();
gfx_band9.band_init();
gfx_band10.band_init();
gfx_band11.band_init();
gfx_band12.band_init();
gfx_band13.band_init();
gfx_band14.band_init();
gfx_band15.band_init();
gfx_band16.band_init();
color_band0.create_color(231, 33, 75);
color_band1.create_color(241, 111, 50);
color_band2.create_color(253, 199, 50);
color_band3.create_color(126, 188, 111);
color_band4.create_color(20, 146, 104);
color_band5.create_color(19, 124, 168);
color_band6.create_color(48, 57, 142);
color_band7.create_color(135, 45, 138);
color_band8.create_color(231, 33, 75);
color_band9.create_color(241, 111, 50);
color_band10.create_color(253, 199, 50);
color_band11.create_color(126, 188, 111);
color_band12.create_color(20, 146, 104);
color_band13.create_color(19, 124, 168);
color_band14.create_color(48, 57, 142);
color_band15.create_color(135, 45, 138);
// Init FIR filter
firL.init_FIR_filter_44100();
firR.init_FIR_filter_44100();
// Allocate and init RMS
rms_time_constant_ms = 300;
rms_alloc = (0.001 * rms_time_constant_ms * 192000)|0;
rms_max_count = (0.001 * rms_time_constant_ms * srate)|0;
RMSPreIndex = MEMORY.alloc_memory(rms_alloc);
RMSPostIndex = MEMORY.alloc_memory(rms_alloc);
RMSPre.RMS_init(RMSPreIndex, rms_max_count);
RMSPost.RMS_init(RMSPostIndex, rms_max_count);
RMSSCIndex = MEMORY.alloc_memory(rms_alloc);
RMSSidechain.RMS_init(RMSSCIndex, rms_max_count);
set_oversample(Quality);
// Visible frequency limit
MAX_FREQ = 44100 / 2.0;
MIN_FREQ = 10;
FREQ_LOG_MAX = log(MAX_FREQ / MIN_FREQ);
MAX_Q = 40;
MIN_Q = 0.10;
Q_LOG_MAX = log(MAX_Q / MIN_Q);
DB_EQ_RANGE = 18;
DB_EQ_RANGE_STEPS = 6;
OLD_WIDTH = 0;
button_focus = -1;
gfx_mode = 1;
gfx_clear = 0;
read_freq = 0;
click_up = 0;
click_time = 0;
selected_node = -1;
selected_node_group = 0;
node_drag_mode = 0;
node_drag = 0;
node_drag_offx = 0;
node_drag_offy = 0;
node_drag_stablex = 0;
node_drag_stabley = 0;
node_drag_mouse_speed = 6;
node_drag_lock = 0;
gainDb = 1;
gainML = 1;
gainSR = 1;
initialise_gfx = 0;
do_listen = 0;
listen_width = 0.10;
listen_q = 0.7071;
listen_group = 0;
listen_gain = db_to_gain(0);
listen_filter.svf_set_sample_rate(srate);
listen_filter.svf_bypass();
listen_node = -1;
listen_filter.a1 = listen_filter.t_a1;
listen_filter.a2 = listen_filter.t_a2;
listen_filter.a3 = listen_filter.t_a3;
listen_filter.m0 = listen_filter.t_m0;
listen_filter.m1 = listen_filter.t_m1;
listen_filter.m2 = listen_filter.t_m2;
listen_filter.iter_t = 1.0;
// Define filter index numbers
FILTER_PEAK = 0;
FILTER_LOW_CUT = 1;
FILTER_LOW_CUT_BUTTERWORTH = 2;
FILTER_LOW_SHELF = 3;
FILTER_HIGH_SHELF = 4;
FILTER_HIGH_CUT = 5;
FILTER_HIGH_CUT_BUTTERWORTH = 6;
FILTER_NOTCH = 7;
FILTER_BAND_PASS = 8;
FILTER_TILT_SHELF = 9;
FILTER_PULTEC_LOW_SHELF = 10;
FILTER_ALL_PASS = 11;
FILTER_LOW_CUT_ANALOG = 12;
FILTER_HIGH_CUT_ANALOG = 13;
// Define filter display order
FilterTypes = MEMORY.alloc_memory(14);
FilterTypes[0] = "Peak";
FilterTypes[1] = "Low Cut";
FilterTypes[2] = "Low Cut (Butterworth)";
FilterTypes[3] = "Low Channel (Analog)";
FilterTypes[4] = "Low Shelf";
FilterTypes[5] = "High Shelf";
FilterTypes[6] = "High Cut";
FilterTypes[7] = "High Cut (Butterworth)";
FilterTypes[8] = "High Channel (Analog)";
FilterTypes[9] = "Notch";
FilterTypes[10] = "Band Pass";
FilterTypes[11] = "Tilt Shelf";
FilterTypes[12] = "Pultec Low Shelf";
FilterTypes[13] = "All Pass";
// Define mapping from display order to index
FilterMappingTo = MEMORY.alloc_memory(14);
FilterMappingTo[0] = 0;
FilterMappingTo[1] = 1;
FilterMappingTo[2] = 2;
FilterMappingTo[3] = 12;
FilterMappingTo[4] = 3;
FilterMappingTo[5] = 4;
FilterMappingTo[6] = 5;
FilterMappingTo[7] = 6;
FilterMappingTo[8] = 13;
FilterMappingTo[9] = 7;
FilterMappingTo[10] = 8;
FilterMappingTo[11] = 9;
FilterMappingTo[12] = 10;
FilterMappingTo[13] = 11;
// Define mapping from index to display order
FilterMappingFrom = MEMORY.alloc_memory(14);
FilterMappingFrom[0] = 0;
FilterMappingFrom[1] = 1;
FilterMappingFrom[2] = 2;
FilterMappingFrom[3] = 4;
FilterMappingFrom[4] = 5;
FilterMappingFrom[5] = 6;
FilterMappingFrom[6] = 7;
FilterMappingFrom[7] = 9;
FilterMappingFrom[8] = 10;
FilterMappingFrom[9] = 11;
FilterMappingFrom[10] = 12;
FilterMappingFrom[11] = 13;
FilterMappingFrom[12] = 3;
FilterMappingFrom[13] = 8;
NumFilterSlopes = 10;
FilterSlopes = MEMORY.alloc_memory(10);
FilterSlopes[0] = "6dB";
FilterSlopes[1] = "12dB";
FilterSlopes[2] = "18dB";
FilterSlopes[3] = "24dB";
FilterSlopes[4] = "30dB";
FilterSlopes[5] = "36dB";
FilterSlopes[6] = "48dB";
FilterSlopes[7] = "72dB";
FilterSlopes[8] = "96dB";
FilterSlopes[9] = "120dB";
StereoModes = MEMORY.alloc_memory(3);
StereoModes[0] = "Stereo";
StereoModes[1] = "Mid";
StereoModes[2] = "Side";
StereoModes[3] = "Left";
StereoModes[4] = "Right";
// Automatic Gain Control
agcControl = 0;
agcOverride = 0;
compact_width = 0;
compact_height = 0;
very_compact_width = 0;
very_compact_height = 0;
ShowPanel = PanelEnabled;
);
@slider
set_oversample(Quality);
button_oversample.select = Quality;
button_stereo_mode.select = Stereo_Mode;
gainDb = 2 ^ (Gain/6);
gainML = 2 ^ (MLGain/6);
gainSR = 2 ^ (SRGain/6);
// Mark filters for update if sliders have changed
Band_Enabled[0] != Node1_Enabled || Band_Type[0] != Node1_Type || Band_Gain[0] != Node1_Gain || Band_Frequency[0] != per_to_freq(Node1_Frequency,100) || Band_Q[0] != Node1_Q || Band_Slope[0] != Node1_Slope ? flag_filter_update(0);
Band_Enabled[1] != Node2_Enabled || Band_Type[1] != Node2_Type || Band_Gain[1] != Node2_Gain || Band_Frequency[1] != per_to_freq(Node2_Frequency,100) || Band_Q[1] != Node2_Q || Band_Slope[1] != Node2_Slope ? flag_filter_update(1);
Band_Enabled[2] != Node3_Enabled || Band_Type[2] != Node3_Type || Band_Gain[2] != Node3_Gain || Band_Frequency[2] != per_to_freq(Node3_Frequency,100) || Band_Q[2] != Node3_Q || Band_Slope[2] != Node3_Slope ? flag_filter_update(2);
Band_Enabled[3] != Node4_Enabled || Band_Type[3] != Node4_Type || Band_Gain[3] != Node4_Gain || Band_Frequency[3] != per_to_freq(Node4_Frequency,100) || Band_Q[3] != Node4_Q || Band_Slope[3] != Node4_Slope ? flag_filter_update(3);
Band_Enabled[4] != Node5_Enabled || Band_Type[4] != Node5_Type || Band_Gain[4] != Node5_Gain || Band_Frequency[4] != per_to_freq(Node5_Frequency,100) || Band_Q[4] != Node5_Q || Band_Slope[4] != Node5_Slope ? flag_filter_update(4);
// Update any automation
sliders_to_filters();
update_state();
@serialize
file_avail(handle) >= 0 ? (
// Read mode
file_var(0, version);
version >= 100 ? (
file_var(0, numBands);
file_mem(0, Band_Enabled, numBands);
file_mem(0, Band_Group, numBands);
file_mem(0, Band_Type, numBands);
file_mem(0, Band_Frequency, numBands);
file_mem(0, Band_Gain, numBands);
file_mem(0, Band_Q, numBands);
file_mem(0, Band_Slope, numBands);
file_mem(0, Band_Dynamic_Range, numBands);
file_mem(0, Band_Red, numBands);
file_mem(0, Band_Green, numBands);
file_mem(0, Band_Blue, numBands);
) : (
// Old version that has no version number
// We've already read the first value and it wasn't a version
// number, it's the enabled status for band 0
Band_Enabled[0] = version;
file_mem(0, Band_Enabled+1, 7);
file_mem(0, Band_Group, 8);
file_mem(0, Band_Type, 8);
file_mem(0, Band_Frequency, 8);
file_mem(0, Band_Gain, 8);
file_mem(0, Band_Q, 8);
file_mem(0, Band_Slope, 8);
file_mem(0, Band_Dynamic_Range, 8);
file_mem(0, Band_Red, 8);
file_mem(0, Band_Green, 8);
file_mem(0, Band_Blue, 8);
);
) : (
// Write mode
// The version number should reflect the ReEQ version when the file
// format changed.
version = 109;
file_var(0, version);
file_var(0, NUM_BANDS);
file_mem(0, Band_Enabled, NUM_BANDS);
file_mem(0, Band_Group, NUM_BANDS);
file_mem(0, Band_Type, NUM_BANDS);
file_mem(0, Band_Frequency, NUM_BANDS);
file_mem(0, Band_Gain, NUM_BANDS);
file_mem(0, Band_Q, NUM_BANDS);
file_mem(0, Band_Slope, NUM_BANDS);
file_mem(0, Band_Dynamic_Range, NUM_BANDS);
file_mem(0, Band_Red, NUM_BANDS);
file_mem(0, Band_Green, NUM_BANDS);
file_mem(0, Band_Blue, NUM_BANDS);
);
flag_filter_update_all();
filters_to_sliders();
@block
// Get array accessed variables per block to make access faster
// in @sample section
update_audio_filters();