musicdsp/audio-algo-drain
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[DEBUG] wrong std version

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This commit is contained in:
Edouard DUPIN 2015-04-21 21:23:44 +02:00
parent 9a5490580a
commit 7b5340666f
1 changed files with 19 additions and 18 deletions
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37
audio/algo/drain/BiQuad.h
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@ -9,6 +9,7 @@
#include <etk/memory.h>
#include <audio/algo/drain/BiQuadType.h>
#include <cmath>
namespace audio {
namespace algo {
@ -57,8 +58,8 @@ namespace audio {
_qualityFactor = 0.01;
}
double norm;
double V = std11::pow(10.0, std11::abs(_gain) / 20.0);
double K = std11::tan(M_PI * _frequencyCut / _sampleRate);
double V = std::pow(10.0, std::abs(_gain) / 20.0);
double K = std::tan(M_PI * _frequencyCut / _sampleRate);
switch (_type) {
case biQuadType_none:
m_a[0] = 1.0;
@ -119,35 +120,35 @@ namespace audio {
case biQuadType_lowShelf:
if (_gain >= 0) {
norm = 1.0 / (1.0 + M_SQRT2 * K + K * K);
m_a[0] = (1.0 + std11::sqrt(2.0*V) * K + V * K * K) * norm;
m_a[0] = (1.0 + std::sqrt(2.0*V) * K + V * K * K) * norm;
m_a[1] = 2.0 * (V * K * K - 1.0) * norm;
m_a[2] = (1.0 - std11::sqrt(2.0*V) * K + V * K * K) * norm;
m_a[2] = (1.0 - std::sqrt(2.0*V) * K + V * K * K) * norm;
m_b[0] = 2.0 * (K * K - 1.0) * norm;
m_b[1] = (1.0 - M_SQRT2 * K + K * K) * norm;
} else {
norm = 1.0 / (1.0 + std11::sqrt(2.0*V) * K + V * K * K);
norm = 1.0 / (1.0 + std::sqrt(2.0*V) * K + V * K * K);
m_a[0] = (1.0 + M_SQRT2 * K + K * K) * norm;
m_a[1] = 2.0 * (K * K - 1.0) * norm;
m_a[2] = (1.0 - M_SQRT2 * K + K * K) * norm;
m_b[0] = 2.0 * (V * K * K - 1.0) * norm;
m_b[1] = (1.0 - std11::sqrt(2.0*V) * K + V * K * K) * norm;
m_b[1] = (1.0 - std::sqrt(2.0*V) * K + V * K * K) * norm;
}
break;
case biQuadType_highShelf:
if (_gain >= 0) {
norm = 1.0 / (1.0 + M_SQRT2 * K + K * K);
m_a[0] = (V + std11::sqrt(2.0*V) * K + K * K) * norm;
m_a[0] = (V + std::sqrt(2.0*V) * K + K * K) * norm;
m_a[1] = 2.0 * (K * K - V) * norm;
m_a[2] = (V - std11::sqrt(2.0*V) * K + K * K) * norm;
m_a[2] = (V - std::sqrt(2.0*V) * K + K * K) * norm;
m_b[0] = 2.0 * (K * K - 1.0) * norm;
m_b[1] = (1.0 - M_SQRT2 * K + K * K) * norm;
} else {
norm = 1.0 / (V + std11::sqrt(2.0*V) * K + K * K);
norm = 1.0 / (V + std::sqrt(2.0*V) * K + K * K);
m_a[0] = (1.0 + M_SQRT2 * K + K * K) * norm;
m_a[1] = 2.0 * (K * K - 1.0) * norm;
m_a[2] = (1.0 - M_SQRT2 * K + K * K) * norm;
m_b[0] = 2.0 * (K * K - V) * norm;
m_b[1] = (V - std11::sqrt(2.0*V) * K + K * K) * norm;
m_b[1] = (V - std::sqrt(2.0*V) * K + K * K) * norm;
}
break;
}
@ -255,16 +256,16 @@ namespace audio {
w = iii / (len - 1.0) * M_PI;
} else {
// 0.001 to 1, times pi, log scale
w = std11::exp(std11::log(1.0 / 0.001) * iii / (len - 1.0)) * 0.001 * M_PI;
w = std::exp(std::log(1.0 / 0.001) * iii / (len - 1.0)) * 0.001 * M_PI;
}
double freq = iii / (len - 1.0) * _sampleRate / 2.0;
double phi = std11::pow(std11::sin(w/2.0), 2.0);
double y = std11::log( std11::pow((m_a[0]+m_a[1]+m_a[2]).getDouble(), 2.0)
- 4.0*((m_a[0]*m_a[1]).getDouble() + 4.0*(m_a[0]*m_a[2]).getDouble() + (m_a[1]*m_a[2]).getDouble())*phi
+ 16.0*(m_a[0]*m_a[2]).getDouble()*phi*phi)
- std11::log( std11::pow(1.0+(m_b[0]+m_b[1]).getDouble(), 2.0)
- 4.0*((m_b[0]).getDouble() + 4.0*(m_b[1]).getDouble() + (m_b[0]*m_b[1]).getDouble())*phi
+ 16.0*m_b[1].getDouble()*phi*phi);
double phi = std::pow(std::sin(w/2.0), 2.0);
double y = std::log( std::pow((m_a[0]+m_a[1]+m_a[2]).getDouble(), 2.0)
- 4.0*((m_a[0]*m_a[1]).getDouble() + 4.0*(m_a[0]*m_a[2]).getDouble() + (m_a[1]*m_a[2]).getDouble())*phi
+ 16.0*(m_a[0]*m_a[2]).getDouble()*phi*phi)
- std::log( std::pow(1.0+(m_b[0]+m_b[1]).getDouble(), 2.0)
- 4.0*((m_b[0]).getDouble() + 4.0*(m_b[1]).getDouble() + (m_b[0]*m_b[1]).getDouble())*phi
+ 16.0*m_b[1].getDouble()*phi*phi);
y = y * 10.0 / M_LN10;
if (y <= -200) {
y = -200.0;