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New files for DSP filter config

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This commit is contained in:
Josh Yelon 2007-08-22 18:01:00 +00:00
parent 40879d8def
commit 7778159b30
3 changed files with 310 additions and 0 deletions
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151
panda/src/audio/filterProperties.I Normal file
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// Filename: filterProperties.I
// Created by: jyelon (01Aug2007)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::clear
// Access: Published
// Description: Removes all DSP postprocessing.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
clear() {
_config.clear();
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::apply_lowpass
// Access: Published
// Description: Add a lowpass filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_lowpass(float cutoff_freq, float resonance_q) {
add_filter(FT_lowpass, cutoff_freq, resonance_q);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_highpass
// Access: Published
// Description: Add a highpass filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_highpass(float cutoff_freq, float resonance_q) {
add_filter(FT_highpass, cutoff_freq, resonance_q);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_echo
// Access: Published
// Description: Add a echo filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_echo(float drymix, float wetmix, float delay, float decayratio) {
add_filter(FT_echo, drymix, wetmix, delay, decayratio);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_flange
// Access: Published
// Description: Add a flange filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_flange(float drymix, float wetmix, float depth, float rate) {
add_filter(FT_flange, drymix, wetmix, depth, rate);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_distort
// Access: Published
// Description: Add a distort filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_distort(float level) {
add_filter(FT_distort, level);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_normalize
// Access: Published
// Description: Add a normalize filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_normalize(float fadetime, float threshold, float maxamp) {
add_filter(FT_normalize, fadetime, threshold, maxamp);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_parameq
// Access: Published
// Description: Add a parameq filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_parameq(float center_freq, float bandwidth, float gain) {
add_filter(FT_parameq, center_freq, bandwidth, gain);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_pitchshift
// Access: Published
// Description: Add a pitchshift filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_pitchshift(float pitch, float fftsize, float overlap) {
add_filter(FT_pitchshift, pitch, fftsize, overlap);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_chorus
// Access: Published
// Description: Add a chorus filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_chorus(float drymix, float wet1, float wet2, float wet3, float delay, float rate, float depth, float feedback) {
add_filter(FT_chorus, drymix, wet1, wet2, wet3, delay, rate, depth, feedback);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_reverb
// Access: Published
// Description: Add a reverb filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_reverb(float drymix, float wetmix, float roomsize, float damp, float width) {
add_filter(FT_reverb, drymix, wetmix, roomsize, damp, width);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_compress
// Access: Published
// Description: Add a compress filter to the end of the DSP chain.
////////////////////////////////////////////////////////////////////
INLINE void FilterProperties::
add_compress(float threshold, float attack, float release, float gainmakeup) {
add_filter(FT_compress, threshold, attack, release, gainmakeup);
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::get_config
// Access: Published
// Description: Intended for use by AudioManager and AudioSound
// implementations: allows access to the config vector.
////////////////////////////////////////////////////////////////////
INLINE const FilterProperties::ConfigVector &FilterProperties::
get_config() {
return _config;
}

61
panda/src/audio/filterProperties.cxx Normal file
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// Filename: filterProperties.cxx
// Created by: jyelon (01Aug2007)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "filterProperties.h"
TypeHandle FilterProperties::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::Constructor
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
FilterProperties::
FilterProperties()
{
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::Destructor
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
FilterProperties::
~FilterProperties() {
}
////////////////////////////////////////////////////////////////////
// Function: FilterProperties::add_filter
// Access: Private
// Description:
////////////////////////////////////////////////////////////////////
void FilterProperties::
add_filter(FilterType t, float a, float b, float c, float d, float e, float f, float g, float h) {
FilterConfig conf;
conf._type = t;
conf._a = a;
conf._b = b;
conf._c = c;
conf._d = d;
conf._e = e;
conf._f = f;
conf._g = g;
conf._h = h;
_config.push_back(conf);
}

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panda/src/audio/filterProperties.h Normal file
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// Filename: filterProperties.h
// Created by: jyelon (01Aug2007)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#ifndef FILTERPROPERTIES_H
#define FILTERPROPERTIES_H
#include "config_audio.h"
#include "typedReferenceCount.h"
////////////////////////////////////////////////////////////////////
// Class : FilterProperties
// Description : Stores a configuration for a set of audio DSP filters.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_AUDIO FilterProperties : public TypedReferenceCount {
PUBLISHED:
FilterProperties();
~FilterProperties();
INLINE void clear();
INLINE void add_lowpass(float cutoff_freq, float resonance_q);
INLINE void add_highpass(float cutoff_freq, float resonance_q);
INLINE void add_echo(float drymix, float wetmix, float delay, float decayratio);
INLINE void add_flange(float drymix, float wetmix, float depth, float rate);
INLINE void add_distort(float level);
INLINE void add_normalize(float fadetime, float threshold, float maxamp);
INLINE void add_parameq(float center_freq, float bandwidth, float gain);
INLINE void add_pitchshift(float pitch, float fftsize, float overlap);
INLINE void add_chorus(float drymix, float wet1, float wet2, float wet3, float delay, float rate, float depth, float feedback);
INLINE void add_reverb(float drymix, float wetmix, float roomsize, float damp, float width);
INLINE void add_compress(float threshold, float attack, float release, float gainmakeup);
public:
enum FilterType {
FT_lowpass,
FT_highpass,
FT_echo,
FT_flange,
FT_distort,
FT_normalize,
FT_parameq,
FT_pitchshift,
FT_chorus,
FT_reverb,
FT_compress,
};
struct FilterConfig {
FilterType _type;
float _a,_b,_c,_d;
float _e,_f,_g,_h;
};
typedef pvector<FilterConfig> ConfigVector;
private:
void add_filter(FilterType t, float a=0, float b=0, float c=0, float d=0, float e=0, float f=0, float g=0, float h=0);
ConfigVector _config;
public:
INLINE const ConfigVector &get_config();
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedReferenceCount::init_type();
register_type(_type_handle, "FilterProperties",
TypedReferenceCount::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "filterProperties.I"
#endif // FILTERPROPERTIES_H