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Commit d034ab59 authored by Jean-Baptiste Kempf's avatar Jean-Baptiste Kempf
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Spatializer: spaces and tab!!!

parent c701929d
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Showing with 351 additions and 350 deletions
modules/audio_filter/spatializer/allpass.cpp
View file @ d034ab59
......@@ -8,29 +8,29 @@
allpass::allpass()
{
bufidx = 0;
bufidx = 0;
}
void allpass::setbuffer(float *buf, int size)
void allpass::setbuffer(float *buf, int size)
{
buffer = buf;
bufsize = size;
buffer = buf;
bufsize = size;
}
void allpass::mute()
{
for (int i=0; i<bufsize; i++)
buffer[i]=0;
for (int i=0; i<bufsize; i++)
buffer[i]=0;
}
void allpass::setfeedback(float val)
void allpass::setfeedback(float val)
{
feedback = val;
feedback = val;
}
float allpass::getfeedback()
float allpass::getfeedback()
{
return feedback;
return feedback;
}
//ends
\ No newline at end of file
//ends
modules/audio_filter/spatializer/allpass.hpp
View file @ d034ab59
......@@ -12,16 +12,16 @@ class allpass
{
public:
allpass();
void setbuffer(float *buf, int size);
inline float process(float inp);
void mute();
void setfeedback(float val);
float getfeedback();
void setbuffer(float *buf, int size);
inline float process(float inp);
void mute();
void setfeedback(float val);
float getfeedback();
// private:
float feedback;
float *buffer;
int bufsize;
int bufidx;
float feedback;
float *buffer;
int bufsize;
int bufidx;
};
......@@ -29,18 +29,18 @@ public:
inline float allpass::process(float input)
{
float output;
float bufout;
bufout = buffer[bufidx];
undenormalise(bufout);
output = -input + bufout;
buffer[bufidx] = input + (bufout*feedback);
if(++bufidx>=bufsize) bufidx = 0;
return output;
float output;
float bufout;
bufout = buffer[bufidx];
undenormalise(bufout);
output = -input + bufout;
buffer[bufidx] = input + (bufout*feedback);
if(++bufidx>=bufsize) bufidx = 0;
return output;
}
#endif//_allpass
......
modules/audio_filter/spatializer/comb.cpp
View file @ d034ab59
......@@ -8,41 +8,41 @@
comb::comb()
{
filterstore = 0;
bufidx = 0;
filterstore = 0;
bufidx = 0;
}
void comb::setbuffer(float *buf, int size)
void comb::setbuffer(float *buf, int size)
{
buffer = buf;
bufsize = size;
buffer = buf;
bufsize = size;
}
void comb::mute()
{
for (int i=0; i<bufsize; i++)
buffer[i]=0;
for (int i=0; i<bufsize; i++)
buffer[i]=0;
}
void comb::setdamp(float val)
void comb::setdamp(float val)
{
damp1 = val;
damp2 = 1-val;
damp1 = val;
damp2 = 1-val;
}
float comb::getdamp()
float comb::getdamp()
{
return damp1;
return damp1;
}
void comb::setfeedback(float val)
void comb::setfeedback(float val)
{
feedback = val;
feedback = val;
}
float comb::getfeedback()
float comb::getfeedback()
{
return feedback;
return feedback;
}
// ends
modules/audio_filter/spatializer/comb.hpp
View file @ d034ab59
......@@ -12,22 +12,22 @@
class comb
{
public:
comb();
void setbuffer(float *buf, int size);
inline float process(float inp);
void mute();
void setdamp(float val);
float getdamp();
void setfeedback(float val);
float getfeedback();
comb();
void setbuffer(float *buf, int size);
inline float process(float inp);
void mute();
void setdamp(float val);
float getdamp();
void setfeedback(float val);
float getfeedback();
private:
float feedback;
float filterstore;
float damp1;
float damp2;
float *buffer;
int bufsize;
int bufidx;
float feedback;
float filterstore;
float damp1;
float damp2;
float *buffer;
int bufsize;
int bufidx;
};
......@@ -35,19 +35,19 @@ private:
inline float comb::process(float input)
{
float output;
float output;
output = buffer[bufidx];
undenormalise(output);
output = buffer[bufidx];
undenormalise(output);
filterstore = (output*damp2) + (filterstore*damp1);
undenormalise(filterstore);
filterstore = (output*damp2) + (filterstore*damp1);
undenormalise(filterstore);
buffer[bufidx] = input + (filterstore*feedback);
buffer[bufidx] = input + (filterstore*feedback);
if(++bufidx>=bufsize) bufidx = 0;
if(++bufidx>=bufsize) bufidx = 0;
return output;
return output;
}
#endif //_comb_
......
modules/audio_filter/spatializer/revmodel.hpp
View file @ d034ab59
// Reverb model declaration
//
// Google Summer of Code 2007
//
// Authors: Biodun Osunkunle <biodun@videolan.org>
//
//
// Authors: Biodun Osunkunle <biodun@videolan.org>
//
// Mentor : Jean-Baptiste Kempf <jb@videolan.org>
//
// Original written by Jezar at Dreampoint, June 2000
......@@ -18,72 +18,72 @@
class revmodel
{
public:
revmodel();
void mute();
void processreplace(float *inputL, float *outputL, long numsamples, int skip);
void processmix(float *inputL, float *outputL, long numsamples, int skip);
void setroomsize(float value);
float getroomsize();
void setdamp(float value);
float getdamp();
void setwet(float value);
float getwet();
void setdry(float value);
float getdry();
void setwidth(float value);
float getwidth();
void setmode(float value);
float getmode();
revmodel();
void mute();
void processreplace(float *inputL, float *outputL, long numsamples, int skip);
void processmix(float *inputL, float *outputL, long numsamples, int skip);
void setroomsize(float value);
float getroomsize();
void setdamp(float value);
float getdamp();
void setwet(float value);
float getwet();
void setdry(float value);
float getdry();
void setwidth(float value);
float getwidth();
void setmode(float value);
float getmode();
private:
void update();
void update();
private:
float gain;
float roomsize,roomsize1;
float damp,damp1;
float wet,wet1,wet2;
float dry;
float width;
float mode;
float gain;
float roomsize,roomsize1;
float damp,damp1;
float wet,wet1,wet2;
float dry;
float width;
float mode;
// The following are all declared inline
// The following are all declared inline
// to remove the need for dynamic allocation
// with its subsequent error-checking messiness
// Comb filters
comb combL[numcombs];
comb combR[numcombs];
comb combL[numcombs];
comb combR[numcombs];
// Allpass filters
allpass allpassL[numallpasses];
allpass allpassR[numallpasses];
// Allpass filters
allpass allpassL[numallpasses];
allpass allpassR[numallpasses];
// Buffers for the combs
float bufcombL1[combtuningL1];
float bufcombR1[combtuningR1];
float bufcombL2[combtuningL2];
float bufcombR2[combtuningR2];
float bufcombL3[combtuningL3];
float bufcombR3[combtuningR3];
float bufcombL4[combtuningL4];
float bufcombR4[combtuningR4];
float bufcombL5[combtuningL5];
float bufcombR5[combtuningR5];
float bufcombL6[combtuningL6];
float bufcombR6[combtuningR6];
float bufcombL7[combtuningL7];
float bufcombR7[combtuningR7];
float bufcombL8[combtuningL8];
float bufcombR8[combtuningR8];
// Buffers for the combs
float bufcombL1[combtuningL1];
float bufcombR1[combtuningR1];
float bufcombL2[combtuningL2];
float bufcombR2[combtuningR2];
float bufcombL3[combtuningL3];
float bufcombR3[combtuningR3];
float bufcombL4[combtuningL4];
float bufcombR4[combtuningR4];
float bufcombL5[combtuningL5];
float bufcombR5[combtuningR5];
float bufcombL6[combtuningL6];
float bufcombR6[combtuningR6];
float bufcombL7[combtuningL7];
float bufcombR7[combtuningR7];
float bufcombL8[combtuningL8];
float bufcombR8[combtuningR8];
// Buffers for the allpasses
float bufallpassL1[allpasstuningL1];
float bufallpassR1[allpasstuningR1];
float bufallpassL2[allpasstuningL2];
float bufallpassR2[allpasstuningR2];
float bufallpassL3[allpasstuningL3];
float bufallpassR3[allpasstuningR3];
float bufallpassL4[allpasstuningL4];
float bufallpassR4[allpasstuningR4];
// Buffers for the allpasses
float bufallpassL1[allpasstuningL1];
float bufallpassR1[allpasstuningR1];
float bufallpassL2[allpasstuningL2];
float bufallpassR2[allpasstuningR2];
float bufallpassL3[allpasstuningL3];
float bufallpassR3[allpasstuningR3];
float bufallpassL4[allpasstuningL4];
float bufallpassR4[allpasstuningR4];
};
#endif//_revmodel_
......
modules/audio_filter/spatializer/spatializer.cpp
View file @ d034ab59
......@@ -2,11 +2,11 @@
* spatializer.cpp:
*****************************************************************************
* Copyright (C) 2004, 2006, 2007 the VideoLAN team
*
*
* Google Summer of Code 2007
*
* Authors: Biodun Osunkunle <biodun@videolan.org>
*
*
* Authors: Biodun Osunkunle <biodun@videolan.org>
*
* Mentor : Jean-Baptiste Kempf <jb@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
......@@ -63,11 +63,11 @@ typedef struct aout_filter_sys_t
{
/* reverb static config */
vlc_bool_t b_first;
} aout_filter_sys_t;
static revmodel reverbm;
static const char *psz_control_names[] =
{
"Roomsize", "Width" , "Wet", "Dry", "Damp"
......@@ -88,7 +88,8 @@ static int DryCallback ( vlc_object_t *, char const *,
static int DampCallback ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int WidthCallback ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
vlc_value_t, vlc_value_t, void * );
/*****************************************************************************
* Open:
*****************************************************************************/
......@@ -122,8 +123,8 @@ static int Open( vlc_object_t *p_this )
p_filter->pf_do_work = DoWork;
p_filter->b_in_place = VLC_TRUE;
/* Allocate structure */
/* Allocate structure */
p_sys = p_filter->p_sys = (aout_filter_sys_t*)malloc( sizeof( aout_filter_sys_t ) );
reverbm.setroomsize(1.05);
reverbm.setwet(10.0f);
......@@ -131,14 +132,14 @@ static int Open( vlc_object_t *p_this )
reverbm.setdamp(0.3);
reverbm.setwidth(0.9);
SpatInit( p_filter);
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: close the plugin
*****************************************************************************/
static void Close( vlc_object_t *p_this )
static void Close( vlc_object_t *p_this )
{
aout_filter_t *p_filter = (aout_filter_t *)p_this;
aout_filter_sys_t *p_sys = p_filter->p_sys;
......@@ -169,7 +170,7 @@ static int SpatInit( aout_filter_t *p_filter )
int i, ch;
vlc_value_t val1, val2, val3, val4, val5;
aout_instance_t *p_aout = (aout_instance_t *)p_filter->p_parent;
for( int i = 0; i < 5 ; i ++ )
{
var_CreateGetFloatCommand( p_aout, psz_control_names[i] );
......@@ -195,7 +196,7 @@ static int SpatInit( aout_filter_t *p_filter )
var_AddCallback( p_aout, psz_control_names[2], WetCallback, p_sys );
var_AddCallback( p_aout, psz_control_names[3], DryCallback, p_sys );
var_AddCallback( p_aout, psz_control_names[4], DampCallback, p_sys );
return VLC_SUCCESS;
}
......@@ -210,7 +211,7 @@ static void SpatFilter( aout_instance_t *p_aout,
{
in[ch] = in[ch] * SPAT_AMP;
}
reverbm.processreplace( in, out , 1, i_channels);
reverbm.processreplace( in, out , 1, i_channels);
in += i_channels;
out += i_channels;
}
......@@ -236,7 +237,7 @@ static void SpatClean( aout_filter_t *p_filter )
static int RoomCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
msg_Dbg (p_this,"room callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
msg_Dbg (p_this,"room callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
reverbm.setroomsize(newval.f_float);
return VLC_SUCCESS;
}
......
modules/audio_filter/spatializer/tuning.h
View file @ d034ab59
......@@ -7,52 +7,52 @@
#ifndef _tuning_
#define _tuning_
const int numcombs = 8;
const int numallpasses = 4;
const float muted = 0;
const float fixedgain = 0.005f;
const float scalewet = 3;
const float scaledry = 2;
const float scaledamp = 0.4f;
const float scaleroom = 0.28f;
const float offsetroom = 0.7f;
const float initialroom = 0.5f;
const float initialdamp = 0.5f;
const float initialwet = 1/scalewet;
const float initialdry = 0;
const float initialwidth = 1;
const float initialmode = 0;
const float freezemode = 0.5f;
const int stereospread = 23;
const int numcombs = 8;
const int numallpasses = 4;
const float muted = 0;
const float fixedgain = 0.005f;
const float scalewet = 3;
const float scaledry = 2;
const float scaledamp = 0.4f;
const float scaleroom = 0.28f;
const float offsetroom = 0.7f;
const float initialroom = 0.5f;
const float initialdamp = 0.5f;
const float initialwet = 1/scalewet;
const float initialdry = 0;
const float initialwidth = 1;
const float initialmode = 0;
const float freezemode = 0.5f;
const int stereospread = 23;
// These values assume 44.1KHz sample rate
// they will probably be OK for 48KHz sample rate
// but would need scaling for 96KHz (or other) sample rates.
// The values were obtained by listening tests.
const int combtuningL1 = 1116;
const int combtuningR1 = 1116+stereospread;
const int combtuningL2 = 1188;
const int combtuningR2 = 1188+stereospread;
const int combtuningL3 = 1277;
const int combtuningR3 = 1277+stereospread;
const int combtuningL4 = 1356;
const int combtuningR4 = 1356+stereospread;
const int combtuningL5 = 1422;
const int combtuningR5 = 1422+stereospread;
const int combtuningL6 = 1491;
const int combtuningR6 = 1491+stereospread;
const int combtuningL7 = 1557;
const int combtuningR7 = 1557+stereospread;
const int combtuningL8 = 1617;
const int combtuningR8 = 1617+stereospread;
const int allpasstuningL1 = 556;
const int allpasstuningR1 = 556+stereospread;
const int allpasstuningL2 = 441;
const int allpasstuningR2 = 441+stereospread;
const int allpasstuningL3 = 341;
const int allpasstuningR3 = 341+stereospread;
const int allpasstuningL4 = 225;
const int allpasstuningR4 = 225+stereospread;
const int combtuningL1 = 1116;
const int combtuningR1 = 1116+stereospread;
const int combtuningL2 = 1188;
const int combtuningR2 = 1188+stereospread;
const int combtuningL3 = 1277;
const int combtuningR3 = 1277+stereospread;
const int combtuningL4 = 1356;
const int combtuningR4 = 1356+stereospread;
const int combtuningL5 = 1422;
const int combtuningR5 = 1422+stereospread;
const int combtuningL6 = 1491;
const int combtuningR6 = 1491+stereospread;
const int combtuningL7 = 1557;
const int combtuningR7 = 1557+stereospread;
const int combtuningL8 = 1617;
const int combtuningR8 = 1617+stereospread;
const int allpasstuningL1 = 556;
const int allpasstuningR1 = 556+stereospread;
const int allpasstuningL2 = 441;
const int allpasstuningR2 = 441+stereospread;
const int allpasstuningL3 = 341;
const int allpasstuningR3 = 341+stereospread;
const int allpasstuningL4 = 225;
const int allpasstuningR4 = 225+stereospread;
#endif//_tuning_
......
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