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fmodex/fmod/src/fmod_dsp_reverb.cpp

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#include "fmod_settings.h"
#ifdef FMOD_SUPPORT_FREEVERB
#include "fmod.h"
#include "fmod_dspi.h"
#include "fmod_dsp_reverb.h"
#include "fmod_systemi.h"
namespace FMOD
{
FMOD_DSP_DESCRIPTION_EX dspreverb;
#ifdef PLUGIN_EXPORTS
#ifdef __cplusplus
extern "C" {
#endif
/*
FMODGetDSPDescription is mandantory for every fmod plugin. This is the symbol the registerplugin function searches for.
Must be declared with F_API to make it export as stdcall.
*/
F_DECLSPEC F_DLLEXPORT FMOD_DSP_DESCRIPTION_EX * F_API FMODGetDSPDescriptionEx()
{
return DSPReverb::getDescriptionEx();
}
#ifdef __cplusplus
}
#endif
#endif /* PLUGIN_EXPORTS */
FMOD_DSP_PARAMETERDESC dspreverb_param[6] =
{
{ 0.0f, 1.0f, 0.5f, "Roomsize", "", "Roomsize. 0.0 to 1.0. Default = 0.5" },
{ 0.0f, 1.0f, 0.5f, "Damp", "", "Damp. 0.0 to 1.0. Default = 0.5" },
{ 0.0f, 1.0f, 0.33f, "Wet", "", "Wet mix. 0.0 to 1.0. Default = 0.33" },
{ 0.0f, 1.0f, 0.66f, "Dry", "", "Dry mix. 0.0 to 1.0. Default = 0.66" },
{ 0.0f, 1.0f, 1.0f, "Width", "", "Width. 0.0 to 1.0. Default = 1.0" },
{ 0.0f, 1.0f, 0.0f, "Mode", "", "Mode. 0, 1. Default = 0" }
};
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_DSP_DESCRIPTION_EX *DSPReverb::getDescriptionEx()
{
FMOD_memset(&dspreverb, 0, sizeof(FMOD_DSP_DESCRIPTION_EX));
FMOD_strcpy(dspreverb.name, "FMOD Reverb");
dspreverb.version = 0x00010100;
dspreverb.create = DSPReverb::createCallback;
dspreverb.release = DSPReverb::releaseCallback;
dspreverb.reset = DSPReverb::resetCallback;
dspreverb.read = DSPReverb::readCallback;
dspreverb.numparameters = 6;
dspreverb.paramdesc = dspreverb_param;
dspreverb.setparameter = DSPReverb::setParameterCallback;
dspreverb.getparameter = DSPReverb::getParameterCallback;
#ifdef FMOD_SUPPORT_MEMORYTRACKER
dspreverb.getmemoryused = &DSPReverb::getMemoryUsedCallback;
#endif
dspreverb.mType = FMOD_DSP_TYPE_REVERB;
dspreverb.mCategory = FMOD_DSP_CATEGORY_FILTER;
dspreverb.mSize = sizeof(DSPReverb);
return &dspreverb;
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT DSPReverb::createInternal()
{
int count;
init();
new (&mReverb) revmodel;
for (count = 0; count < mDescription.numparameters; count++)
{
FMOD_RESULT result;
result = setParameter(count, mDescription.paramdesc[count].defaultval);
if (result != FMOD_OK)
{
return result;
}
}
return FMOD_OK;
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT DSPReverb::releaseInternal()
{
return FMOD_OK;
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
FMOD_OK
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT DSPReverb::resetInternal()
{
return FMOD_OK;
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
FMOD_OK
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT DSPReverb::readInternal(float *inbuffer, float *outbuffer, unsigned int length, int inchannels, int outchannels)
{
float *inleft = inbuffer;
float *inright = inbuffer + 1;
float *outleft = outbuffer;
float *outright = outbuffer + 1;
if (!inbuffer)
{
return FMOD_OK;
}
if ((speakermask & 0x3) == 0) /* Both speaker channels have been set to inactive */
{
FMOD_memcpy(outbuffer, inbuffer, inchannels*length*sizeof(float));
return FMOD_OK;
}
if (inchannels > 2 || ((speakermask & 0x3) != 0x3))
{
// Prevent output buffer crosstalk by ensuring every sample is set
FMOD_memcpy(outbuffer, inbuffer, inchannels*length*sizeof(float));
}
mReverb.processreplace(inleft, inright, outleft, outright, length, inchannels, speakermask);
return FMOD_OK;
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
FMOD_OK
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT DSPReverb::setParameterInternal(int index, float value)
{
mSystem->lockDSP();
switch (index)
{
case FMOD_DSP_REVERB_ROOMSIZE:
{
if (value > 1.0f)
{
value = 1.0f;
}
else if (value < 0.0f)
{
value = 0.0f;
}
mReverb.setroomsize(value);
break;
}
case FMOD_DSP_REVERB_DAMP:
{
if (value > 1.0f)
{
value = 1.0f;
}
else if (value < 0.0f)
{
value = 0.0f;
}
mReverb.setdamp(value);
break;
}
case FMOD_DSP_REVERB_WETMIX:
{
if (value > 1.0f)
{
value = 1.0f;
}
else if (value < 0.0f)
{
value = 0.0f;
}
mReverb.setwet(value);
break;
}
case FMOD_DSP_REVERB_DRYMIX:
{
if (value > 1.0f)
{
value = 1.0f;
}
else if (value < 0.0f)
{
value = 0.0f;
}
mReverb.setdry(value);
break;
}
case FMOD_DSP_REVERB_WIDTH:
{
if (value > 1.0f)
{
value = 1.0f;
}
else if (value < 0.0f)
{
value = 0.0f;
}
mReverb.setwidth(value);
break;
}
case FMOD_DSP_REVERB_MODE:
{
if (value >= freezemode)
{
value = 1.0f;
}
else
{
value = 0.0f;
}
mReverb.setmode(value);
break;
}
}
mSystem->unlockDSP();
return FMOD_OK;
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT DSPReverb::getParameterInternal(int index, float *value, char *valuestr)
{
switch (index)
{
case FMOD_DSP_REVERB_ROOMSIZE:
{
*value = mReverb.getroomsize();
sprintf(valuestr, "%0.2f", *value);
break;
}
case FMOD_DSP_REVERB_DAMP:
{
*value = mReverb.getdamp();
sprintf(valuestr, "%0.2f", *value);
break;
}
case FMOD_DSP_REVERB_WETMIX:
{
*value = mReverb.getwet();
sprintf(valuestr, "%0.2f", *value);
break;
}
case FMOD_DSP_REVERB_DRYMIX:
{
*value = mReverb.getdry();
sprintf(valuestr, "%0.2f", *value);
break;
}
case FMOD_DSP_REVERB_WIDTH:
{
*value = mReverb.getwidth();
sprintf(valuestr, "%0.2f", *value);
break;
}
case FMOD_DSP_REVERB_MODE:
{
*value = mReverb.getmode();
if (*value >= freezemode)
{
*value = 1.0f;
sprintf(valuestr, "FREEZE");
}
else
{
*value = 0.0f;
sprintf(valuestr, "NORMAL");
}
break;
}
}
return FMOD_OK;
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
#ifdef FMOD_SUPPORT_MEMORYTRACKER
FMOD_RESULT DSPReverb::getMemoryUsedImpl(MemoryTracker *tracker)
{
// Size of this class is already accounted for (via description.mSize). Just add extra allocated memory here.
return FMOD_OK;
}
#endif
/*
==============================================================================================================
CALLBACK INTERFACE
==============================================================================================================
*/
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT F_CALLBACK DSPReverb::createCallback(FMOD_DSP_STATE *dsp)
{
DSPReverb *reverb = (DSPReverb *)dsp;
return reverb->createInternal();
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT F_CALLBACK DSPReverb::releaseCallback(FMOD_DSP_STATE *dsp)
{
DSPReverb *reverb = (DSPReverb *)dsp;
return reverb->releaseInternal();
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT F_CALLBACK DSPReverb::resetCallback(FMOD_DSP_STATE *dsp)
{
DSPReverb *reverb = (DSPReverb *)dsp;
return reverb->resetInternal();
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT F_CALLBACK DSPReverb::readCallback(FMOD_DSP_STATE *dsp, float *inbuffer, float *outbuffer, unsigned int length, int inchannels, int outchannels)
{
DSPReverb *reverb = (DSPReverb *)dsp;
return reverb->readInternal(inbuffer, outbuffer, length, inchannels, outchannels);
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT F_CALLBACK DSPReverb::setParameterCallback(FMOD_DSP_STATE *dsp, int index, float value)
{
DSPReverb *reverb = (DSPReverb *)dsp;
return reverb->setParameterInternal(index, value);
}
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT F_CALLBACK DSPReverb::getParameterCallback(FMOD_DSP_STATE *dsp, int index, float *value, char *valuestr)
{
DSPReverb *reverb = (DSPReverb *)dsp;
return reverb->getParameterInternal(index, value, valuestr);
}
#ifdef FMOD_SUPPORT_MEMORYTRACKER
/*
[
[DESCRIPTION]
[PARAMETERS]
[RETURN_VALUE]
[REMARKS]
[PLATFORMS]
[SEE_ALSO]
]
*/
FMOD_RESULT F_CALLBACK DSPReverb::getMemoryUsedCallback(FMOD_DSP_STATE *dsp, MemoryTracker *tracker)
{
DSPReverb *reverb = (DSPReverb *)dsp;
return reverb->DSPReverb::getMemoryUsed(tracker);
}
#endif
}
#endif
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