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-rw-r--r--servers/audio/effects/audio_effect_chorus.cpp5
-rw-r--r--servers/audio/effects/audio_effect_delay.cpp3
-rw-r--r--servers/audio/effects/audio_effect_distortion.cpp5
-rw-r--r--servers/audio/effects/audio_effect_phaser.cpp7
-rw-r--r--servers/audio/effects/audio_effect_pitch_shift.cpp17
-rw-r--r--servers/audio/effects/eq.cpp33
-rw-r--r--servers/audio/effects/reverb.cpp5
7 files changed, 41 insertions, 34 deletions
diff --git a/servers/audio/effects/audio_effect_chorus.cpp b/servers/audio/effects/audio_effect_chorus.cpp
index 0b7c909071..d3105343ae 100644
--- a/servers/audio/effects/audio_effect_chorus.cpp
+++ b/servers/audio/effects/audio_effect_chorus.cpp
@@ -1,5 +1,6 @@
#include "audio_effect_chorus.h"
#include "servers/audio_server.h"
+#include "math_funcs.h"
void AudioEffectChorusInstance::process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count) {
@@ -61,7 +62,7 @@ void AudioEffectChorusInstance::_process_chunk(const AudioFrame *p_src_frames,Au
//low pass filter
if (v.cutoff==0)
continue;
- float auxlp=expf(-2.0*M_PI*v.cutoff/mix_rate);
+ float auxlp=expf(-2.0*Math_PI*v.cutoff/mix_rate);
float c1=1.0-auxlp;
float c2=auxlp;
AudioFrame h=filter_h[vc];
@@ -83,7 +84,7 @@ void AudioEffectChorusInstance::_process_chunk(const AudioFrame *p_src_frames,Au
float phase=(float)(local_cycles&AudioEffectChorus::CYCLES_MASK)/(float)(1<<AudioEffectChorus::CYCLES_FRAC);
- float wave_delay=sinf(phase*2.0*M_PI)*max_depth_frames;
+ float wave_delay=sinf(phase*2.0*Math_PI)*max_depth_frames;
int wave_delay_frames=lrint(floor(wave_delay));
float wave_delay_frac=wave_delay-(float)wave_delay_frames;
diff --git a/servers/audio/effects/audio_effect_delay.cpp b/servers/audio/effects/audio_effect_delay.cpp
index 86296a9d10..aae2657a63 100644
--- a/servers/audio/effects/audio_effect_delay.cpp
+++ b/servers/audio/effects/audio_effect_delay.cpp
@@ -1,5 +1,6 @@
#include "audio_effect_delay.h"
#include "servers/audio_server.h"
+#include "math_funcs.h"
void AudioEffectDelayInstance::process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count) {
@@ -48,7 +49,7 @@ void AudioEffectDelayInstance::_process_chunk(const AudioFrame *p_src_frames,Aud
tap2_vol.r*=CLAMP( 1.0 + base->tap_2_pan, 0, 1);
// feedback lowpass here
- float lpf_c=expf(-2.0*M_PI*base->feedback_lowpass/mix_rate); // 0 .. 10khz
+ float lpf_c=expf(-2.0*Math_PI*base->feedback_lowpass/mix_rate); // 0 .. 10khz
float lpf_ic=1.0-lpf_c;
const AudioFrame *src=p_src_frames;
diff --git a/servers/audio/effects/audio_effect_distortion.cpp b/servers/audio/effects/audio_effect_distortion.cpp
index e777833942..3ba409b0a5 100644
--- a/servers/audio/effects/audio_effect_distortion.cpp
+++ b/servers/audio/effects/audio_effect_distortion.cpp
@@ -1,5 +1,6 @@
#include "audio_effect_distortion.h"
#include "servers/audio_server.h"
+#include "math_funcs.h"
@@ -8,8 +9,8 @@ void AudioEffectDistortionInstance::process(const AudioFrame *p_src_frames,Audio
const float *src = (const float*)p_src_frames;
float *dst = (float*)p_dst_frames;
- //float lpf_c=expf(-2.0*M_PI*keep_hf_hz.get()/(mix_rate*(float)OVERSAMPLE));
- float lpf_c=expf(-2.0*M_PI*base->keep_hf_hz/(AudioServer::get_singleton()->get_mix_rate()));
+ //float lpf_c=expf(-2.0*Math_PI*keep_hf_hz.get()/(mix_rate*(float)OVERSAMPLE));
+ float lpf_c=expf(-2.0*Math_PI*base->keep_hf_hz/(AudioServer::get_singleton()->get_mix_rate()));
float lpf_ic=1.0-lpf_c;
float drive_f=base->drive;
diff --git a/servers/audio/effects/audio_effect_phaser.cpp b/servers/audio/effects/audio_effect_phaser.cpp
index b687e9f708..bfce608603 100644
--- a/servers/audio/effects/audio_effect_phaser.cpp
+++ b/servers/audio/effects/audio_effect_phaser.cpp
@@ -1,5 +1,6 @@
#include "audio_effect_phaser.h"
#include "servers/audio_server.h"
+#include "math_funcs.h"
void AudioEffectPhaserInstance::process(const AudioFrame *p_src_frames,AudioFrame *p_dst_frames,int p_frame_count) {
@@ -8,14 +9,14 @@ void AudioEffectPhaserInstance::process(const AudioFrame *p_src_frames,AudioFram
float dmin = base->range_min / (sampling_rate/2.0);
float dmax = base->range_max / (sampling_rate/2.0);
- float increment = 2.f * M_PI * (base->rate / sampling_rate);
+ float increment = 2.f * Math_PI * (base->rate / sampling_rate);
for(int i=0;i<p_frame_count;i++) {
phase += increment;
- while ( phase >= M_PI * 2.f ) {
- phase -= M_PI * 2.f;
+ while ( phase >= Math_PI * 2.f ) {
+ phase -= Math_PI * 2.f;
}
float d = dmin + (dmax-dmin) * ((sin( phase ) + 1.f)/2.f);
diff --git a/servers/audio/effects/audio_effect_pitch_shift.cpp b/servers/audio/effects/audio_effect_pitch_shift.cpp
index a11ae37675..49a14cda04 100644
--- a/servers/audio/effects/audio_effect_pitch_shift.cpp
+++ b/servers/audio/effects/audio_effect_pitch_shift.cpp
@@ -1,5 +1,6 @@
#include "audio_effect_pitch_shift.h"
#include "servers/audio_server.h"
+#include "math_funcs.h"
/****************************************************************************
*
* NAME: smbPitchShift.cpp
@@ -57,7 +58,7 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
fftFrameSize2 = fftFrameSize/2;
stepSize = fftFrameSize/osamp;
freqPerBin = sampleRate/(double)fftFrameSize;
- expct = 2.*M_PI*(double)stepSize/(double)fftFrameSize;
+ expct = 2.*Math_PI*(double)stepSize/(double)fftFrameSize;
inFifoLatency = fftFrameSize-stepSize;
if (gRover == 0) gRover = inFifoLatency;
@@ -77,7 +78,7 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
/* do windowing and re,im interleave */
for (k = 0; k < fftFrameSize;k++) {
- window = -.5*cos(2.*M_PI*(double)k/(double)fftFrameSize)+.5;
+ window = -.5*cos(2.*Math_PI*(double)k/(double)fftFrameSize)+.5;
gFFTworksp[2*k] = gInFIFO[k] * window;
gFFTworksp[2*k+1] = 0.;
}
@@ -106,13 +107,13 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
tmp -= (double)k*expct;
/* map delta phase into +/- Pi interval */
- qpd = tmp/M_PI;
+ qpd = tmp/Math_PI;
if (qpd >= 0) qpd += qpd&1;
else qpd -= qpd&1;
- tmp -= M_PI*(double)qpd;
+ tmp -= Math_PI*(double)qpd;
/* get deviation from bin frequency from the +/- Pi interval */
- tmp = osamp*tmp/(2.*M_PI);
+ tmp = osamp*tmp/(2.*Math_PI);
/* compute the k-th partials' true frequency */
tmp = (double)k*freqPerBin + tmp*freqPerBin;
@@ -150,7 +151,7 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
tmp /= freqPerBin;
/* take osamp into account */
- tmp = 2.*M_PI*tmp/osamp;
+ tmp = 2.*Math_PI*tmp/osamp;
/* add the overlap phase advance back in */
tmp += (double)k*expct;
@@ -172,7 +173,7 @@ void SMBPitchShift::PitchShift(float pitchShift, long numSampsToProcess, long ff
/* do windowing and add to output accumulator */
for(k=0; k < fftFrameSize; k++) {
- window = -.5*cos(2.*M_PI*(double)k/(double)fftFrameSize)+.5;
+ window = -.5*cos(2.*Math_PI*(double)k/(double)fftFrameSize)+.5;
gOutputAccum[k] += 2.*window*gFFTworksp[2*k]/(fftFrameSize2*osamp);
}
for (k = 0; k < stepSize; k++) gOutFIFO[k] = gOutputAccum[k];
@@ -224,7 +225,7 @@ void SMBPitchShift::smbFft(float *fftBuffer, long fftFrameSize, long sign)
le2 = le>>1;
ur = 1.0;
ui = 0.0;
- arg = M_PI / (le2>>1);
+ arg = Math_PI / (le2>>1);
wr = cos(arg);
wi = sign*sin(arg);
for (j = 0; j < le2; j += 2) {
diff --git a/servers/audio/effects/eq.cpp b/servers/audio/effects/eq.cpp
index 14659585b8..a6499a66b4 100644
--- a/servers/audio/effects/eq.cpp
+++ b/servers/audio/effects/eq.cpp
@@ -12,6 +12,7 @@
#include "eq.h"
#include <math.h>
#include "error_macros.h"
+#include "math_funcs.h"
#define POW2(v) ((v)*(v))
@@ -19,23 +20,23 @@
static int solve_quadratic(double a,double b,double c,double *r1, double *r2) {
//solves quadractic and returns number of roots
- double base=2*a;
- if (base == 0.0f)
- return 0;
+ double base=2*a;
+ if (base == 0.0f)
+ return 0;
- double squared=b*b-4*a*c;
- if (squared<0.0)
- return 0;
+ double squared=b*b-4*a*c;
+ if (squared<0.0)
+ return 0;
- squared=sqrt(squared);
+ squared=sqrt(squared);
- *r1=(-b+squared)/base;
- *r2=(-b-squared)/base;
+ *r1=(-b+squared)/base;
+ *r2=(-b-squared)/base;
- if (*r1==*r2)
- return 1;
- else
- return 2;
+ if (*r1==*r2)
+ return 1;
+ else
+ return 2;
}
EQ::BandProcess::BandProcess() {
@@ -73,9 +74,9 @@ void EQ::recalculate_band_coefficients() {
- double side_gain2=POW2(1.0/M_SQRT2);
- double th=2.0*M_PI*frq/mix_rate;
- double th_l=2.0*M_PI*frq_l/mix_rate;
+ double side_gain2=POW2(Math_SQRT12);
+ double th=2.0*Math_PI*frq/mix_rate;
+ double th_l=2.0*Math_PI*frq_l/mix_rate;
double c2a=side_gain2 * POW2(cos(th))
- 2.0 * side_gain2 * cos(th_l) * cos(th)
diff --git a/servers/audio/effects/reverb.cpp b/servers/audio/effects/reverb.cpp
index 2a4c728b3f..43ea0edb3a 100644
--- a/servers/audio/effects/reverb.cpp
+++ b/servers/audio/effects/reverb.cpp
@@ -12,6 +12,7 @@
#include "reverb.h"
#include <math.h>
+#include "math_funcs.h"
const float Reverb::comb_tunings[MAX_COMBS]={
@@ -68,7 +69,7 @@ void Reverb::process(float *p_src,float *p_dst,int p_frames) {
}
if (params.hpf>0) {
- float hpaux=expf(-2.0*M_PI*params.hpf*6000/params.mix_rate);
+ float hpaux=expf(-2.0*Math_PI*params.hpf*6000/params.mix_rate);
float hp_a1=(1.0+hpaux)/2.0;
float hp_a2=-(1.0+hpaux)/2.0;
float hp_b1=hpaux;
@@ -299,7 +300,7 @@ void Reverb::update_parameters() {
float auxdmp=params.damp/2.0+0.5; //only half the range (0.5 .. 1.0 is enough)
auxdmp*=auxdmp;
- c.damp=expf(-2.0*M_PI*auxdmp*10000/params.mix_rate); // 0 .. 10khz
+ c.damp=expf(-2.0*Math_PI*auxdmp*10000/params.mix_rate); // 0 .. 10khz
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 11:56:13 +0000