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audacity/src/effects/Reverb.cpp

580 lines
24 KiB
C++

/**********************************************************************
Audacity: A Digital Audio Editor
Audacity(R) is copyright (c) 1999-2013 Audacity Team.
License: GPL v2. See License.txt.
Reverb.cpp
Rob Sykes, Vaughan Johnson
******************************************************************//**
\class EffectReverb
\brief A reverberation effect
*//****************************************************************//**
\class ReverbDialogue
\brief A configuration class used by effect, EffectReverb.
*//*******************************************************************/
#include "Reverb.h"
#include "Reverb_libSoX.h"
#include "../Prefs.h"
//
// EffectReverb
//
struct Reverb_priv_t {
size_t ichannels, ochannels;
struct {
reverb_t reverb;
float * dry, * wet[2];
} chan[2];
};
void EffectReverb::Create(double rate, bool isStereo)
{
mP = (Reverb_priv_t *)calloc(sizeof *mP, 1);
size_t i;
#define BLOCK 0x4000u
mP->ichannels = mP->ochannels = 1 + isStereo;
for (i = 0; i < mP->ichannels; ++i)
reverb_create(
&mP->chan[i].reverb, rate, mParams.mWetGain, mParams.mRoomSize,
mParams.mReverberance, mParams.mHfDamping, mParams.mDelay, mParams.mStereoWidth*isStereo,
mParams.mToneLow, mParams.mToneHigh, BLOCK, mP->chan[i].wet);
}
bool EffectReverb::ProcessOneBlock(sampleCount len0, float * const * chans0)
{
float * chans[2];
chans[0] = chans0[0], chans[1] = chans0[1];
size_t c, i, w, len = len0;
float const dryMult(mParams.mWetOnly? 0 : dB_to_linear(mParams.mDryGain));
while (len) {
size_t len1 = min(len, (size_t)BLOCK);
for (c = 0; c < mP->ichannels; ++c) {
mP->chan[c].dry = (float *)fifo_write(&mP->chan[c].reverb.input_fifo, len1, chans[c]);
reverb_process(&mP->chan[c].reverb, len1);
}
if (mP->ichannels == 2)
for (i = 0; i < len1; ++i)
for (w = 0; w < 2; ++w)
chans[w][i] = dryMult * mP->chan[w].dry[i] +
.5 * (mP->chan[0].wet[w][i] + mP->chan[1].wet[w][i]);
else for (i = 0; i < len1; ++i)
for (w = 0; w < mP->ochannels; ++w)
chans[0][i] = dryMult * mP->chan[0].dry[i] + mP->chan[0].wet[w][i];
len -= len1;
for (c = 0; c < mP->ichannels; chans[c++] += len1);
}
return true;
}
void EffectReverb::Delete()
{
for (size_t i = 0; i < mP->ichannels; reverb_delete(&mP->chan[i++].reverb));
free(mP);
}
// Most of what follows should really be provided by Audacity framework classes:
//vvvvv Not sure what you mean by that, Rob. A la EffectSimpleMono, e.g.?
bool EffectReverb::ProcessOneTrack(size_t n, WaveTrack * track, WaveTrack * track2, wxString const & msg)
{
sampleCount begin = track->TimeToLongSamples(mCurT0), pos = begin;
sampleCount end = track->TimeToLongSamples(mCurT1);
float * buffers[2];
buffers[0] = new float[track->GetMaxBlockSize()];
buffers[1] = track2? new float[track->GetMaxBlockSize()] : 0;
bool cancelled = false;
Create(track->GetRate(), track2 != 0);
while (!cancelled && pos < end) {
sampleCount block = track->GetBestBlockSize(pos);
block = min(block, end - pos);
track->Get((samplePtr) buffers[0], floatSample, pos, block);
if (track2)
track2->Get((samplePtr) buffers[1], floatSample, pos, block);
ProcessOneBlock(block, buffers);
track->Set((samplePtr) buffers[0], floatSample, pos, block);
if (track2)
track2->Set((samplePtr) buffers[1], floatSample, pos, block);
pos += block;
cancelled = TrackProgress(n, (1. * pos - begin) / (1. * end - begin) * .5 + .5, msg);
}
Delete();
delete[] buffers[0];
delete[] buffers[1];
return !cancelled;
}
bool EffectReverb::Process()
{
CopyInputTracks(); // Set up mOutputTracks.
SelectedTrackListOfKindIterator iter(Track::Wave, mOutputTracks);
WaveTrack * track = (WaveTrack *)iter.First();
bool success = true;
for (int n = 0; success && track; track = (WaveTrack *)iter.Next(), ++n) {
mCurT0 = max(mT0, track->GetStartTime());
mCurT1 = min(mT1, track->GetEndTime());
if (mCurT1 > mCurT0) {
wxString msg(_("Processing: ") + track->GetName());
if (track->GetLinked() && mParams.mStereoWidth) // do stereo?
success = ProcessOneTrack(++n, track, (WaveTrack *)iter.Next(), msg);
else success = ProcessOneTrack(n, track, 0, msg);
}
}
ReplaceProcessedTracks(success);
return success;
}
wxString EffectReverb::SettingsPath(int settingsNumber) const
{
wxString x(wxString::FromAscii("/Effects/Reverb/"));
if (settingsNumber >= 0)
x += wxString::Format(wxString::FromAscii("%i/"), settingsNumber);
return x;
}
wxString EffectReverb::SettingsName(int settingsNumber) const
{
wxString x(SettingsPath(settingsNumber));
gPrefs->Read(x + wxT("name"), &x, wxString::Format(wxString::FromAscii("Settings%i"), settingsNumber));
return x;
}
void EffectReverb::LoadSettings(int settingsNumber, EffectReverb::Params & params)
{
wxString sSettingsPath(SettingsPath(settingsNumber));
gPrefs->Read(sSettingsPath + wxT("RoomSize"), &params.mRoomSize, 75);
gPrefs->Read(sSettingsPath + wxT("Delay"), &params.mDelay, 10);
gPrefs->Read(sSettingsPath + wxT("Reverberance"), &params.mReverberance, 50);
gPrefs->Read(sSettingsPath + wxT("HfDamping"), &params.mHfDamping, 50);
gPrefs->Read(sSettingsPath + wxT("ToneLow"), &params.mToneLow, 100);
gPrefs->Read(sSettingsPath + wxT("ToneHigh"), &params.mToneHigh, 100);
gPrefs->Read(sSettingsPath + wxT("WetGain"), &params.mWetGain, -1);
gPrefs->Read(sSettingsPath + wxT("DryGain"), &params.mDryGain, -1);
gPrefs->Read(sSettingsPath + wxT("StereoWidth"), &params.mStereoWidth, 100);
gPrefs->Read(sSettingsPath + wxT("WetOnly"), &params.mWetOnly, 0);
}
void EffectReverb::SaveSettings(int settingsNumber, EffectReverb::Params const * params, wxString const * name) const
{
wxString sSettingsPath(SettingsPath(settingsNumber));
if (name)
gPrefs->Write(sSettingsPath + wxT("name"), *name);
if (params)
{
gPrefs->Write(sSettingsPath + wxT("RoomSize"), params->mRoomSize);
gPrefs->Write(sSettingsPath + wxT("Delay"), params->mDelay);
gPrefs->Write(sSettingsPath + wxT("Reverberance"), params->mReverberance);
gPrefs->Write(sSettingsPath + wxT("HfDamping"), params->mHfDamping);
gPrefs->Write(sSettingsPath + wxT("ToneLow"), params->mToneLow);
gPrefs->Write(sSettingsPath + wxT("ToneHigh"), params->mToneHigh);
gPrefs->Write(sSettingsPath + wxT("WetGain"), params->mWetGain);
gPrefs->Write(sSettingsPath + wxT("DryGain"), params->mDryGain);
gPrefs->Write(sSettingsPath + wxT("StereoWidth"), params->mStereoWidth);
gPrefs->Write(sSettingsPath + wxT("WetOnly"), params->mWetOnly);
}
gPrefs->Flush();
}
EffectReverb::EffectReverb()
{
LoadSettings(-1, mParams);
}
wxString EffectReverb::GetEffectDescription()
{
wxString strResult =
wxString::Format(_("Applied effect: %s"), GetEffectName().c_str());
strResult += wxString::Format(_(", Room Size = %.0f"), mParams.mRoomSize);
strResult += wxString::Format(_(", Delay = %.0fms"), mParams.mDelay);
strResult += wxString::Format(_(", Reverberance = %.0f%%"), mParams.mReverberance);
strResult += wxString::Format(_(", Damping = %.0f%%"), mParams.mHfDamping);
strResult += wxString::Format(_(", Tone Low = %.0f%%"), mParams.mToneLow);
strResult += wxString::Format(_(", Tone High = %.0f%%"), mParams.mToneHigh);
strResult += wxString::Format(_(", Wet Gain = %.0fdB"), mParams.mWetGain);
strResult += wxString::Format(_(", Dry Gain Size = %.0fdB"), mParams.mDryGain);
strResult += wxString::Format(_(", Stereo Width = %.0f%%"), mParams.mStereoWidth);
strResult += wxString::Format(_(", Wet Only = %s"), mParams.mWetOnly ? _("true") : _("false"));
return strResult;
}
bool EffectReverb::PromptUser()
{
ReverbDialogue d(this, mParent);
d.CentreOnParent();
d.ShowModal();
if (d.GetReturnCode() == wxID_CANCEL)
return false;
SaveSettings(-1, &mParams);
return true;
}
bool EffectReverb::TransferParameters(Shuttle & shuttle)
{
shuttle.TransferDouble(wxT("RoomSize"), mParams.mRoomSize, 75);
shuttle.TransferDouble(wxT("Delay"), mParams.mDelay, 10);
shuttle.TransferDouble(wxT("Reverberance"), mParams.mReverberance, 50);
shuttle.TransferDouble(wxT("HfDamping"), mParams.mHfDamping, 50);
shuttle.TransferDouble(wxT("ToneLow"), mParams.mToneLow, 100);
shuttle.TransferDouble(wxT("ToneHigh"), mParams.mToneHigh, 100);
shuttle.TransferDouble(wxT("WetGain"), mParams.mWetGain, -1);
shuttle.TransferDouble(wxT("DryGain"), mParams.mDryGain, -1);
shuttle.TransferDouble(wxT("StereoWidth"), mParams.mStereoWidth, 100);
shuttle.TransferBool(wxT("WetOnly"), mParams.mWetOnly, 0);
return true;
}
//----------------------------------------------------------------------------
// ReverbDialogue
//----------------------------------------------------------------------------
#include <wx/button.h>
#include <wx/choicdlg.h>
#include <wx/sizer.h>
#include <wx/stattext.h>
#include <wx/spinctrl.h>
#include <wx/textdlg.h>
enum {ID_START = 10000,
ID_PRESETS,
ID_LOAD_SETTINGS,
ID_SAVE_SETTINGS,
ID_RENAME_SETTINGS,
ID_RoomSize_TEXT, ID_RoomSize_WIDGET,
ID_Delay_TEXT, ID_Delay_WIDGET,
ID_Reverberance_TEXT, ID_Reverberance_WIDGET,
ID_HfDamping_TEXT, ID_HfDamping_WIDGET,
ID_ToneLow_TEXT, ID_ToneLow_WIDGET,
ID_ToneHigh_TEXT, ID_ToneHigh_WIDGET,
ID_WetGain_TEXT, ID_WetGain_WIDGET,
ID_DryGain_TEXT, ID_DryGain_WIDGET,
ID_StereoWidth_TEXT, ID_StereoWidth_WIDGET,
ID_WetOnly_WIDGET,
ID_END};
BEGIN_EVENT_TABLE(ReverbDialogue, EffectDialog)
EVT_SLIDER(ID_RoomSize_WIDGET, ReverbDialogue::OnRoomSizeWidget)
EVT_TEXT(ID_RoomSize_TEXT, ReverbDialogue::OnRoomSizeText)
EVT_SLIDER(ID_Delay_WIDGET, ReverbDialogue::OnDelayWidget)
EVT_TEXT(ID_Delay_TEXT, ReverbDialogue::OnDelayText)
EVT_SLIDER(ID_Reverberance_WIDGET, ReverbDialogue::OnReverberanceWidget)
EVT_TEXT(ID_Reverberance_TEXT, ReverbDialogue::OnReverberanceText)
EVT_SLIDER(ID_HfDamping_WIDGET, ReverbDialogue::OnHfDampingWidget)
EVT_TEXT(ID_HfDamping_TEXT, ReverbDialogue::OnHfDampingText)
EVT_SLIDER(ID_ToneLow_WIDGET, ReverbDialogue::OnToneLowWidget)
EVT_TEXT(ID_ToneLow_TEXT, ReverbDialogue::OnToneLowText)
EVT_SLIDER(ID_ToneHigh_WIDGET, ReverbDialogue::OnToneHighWidget)
EVT_TEXT(ID_ToneHigh_TEXT, ReverbDialogue::OnToneHighText)
EVT_SLIDER(ID_WetGain_WIDGET, ReverbDialogue::OnWetGainWidget)
EVT_TEXT(ID_WetGain_TEXT, ReverbDialogue::OnWetGainText)
EVT_SLIDER(ID_DryGain_WIDGET, ReverbDialogue::OnDryGainWidget)
EVT_TEXT(ID_DryGain_TEXT, ReverbDialogue::OnDryGainText)
EVT_SLIDER(ID_StereoWidth_WIDGET, ReverbDialogue::OnStereoWidthWidget)
EVT_TEXT(ID_StereoWidth_TEXT, ReverbDialogue::OnStereoWidthText)
EVT_BUTTON(ePreviewID, ReverbDialogue::OnPreview)
EVT_BUTTON(ePreviewDryID, ReverbDialogue::OnPreview)
EVT_BUTTON(ID_PRESETS, ReverbDialogue::LoadPreset)
EVT_BUTTON(ID_SAVE_SETTINGS, ReverbDialogue::SaveSettings)
EVT_BUTTON(ID_LOAD_SETTINGS, ReverbDialogue::LoadSettings)
EVT_BUTTON(ID_RENAME_SETTINGS, ReverbDialogue::RenameSettings)
END_EVENT_TABLE()
ReverbDialogue::ReverbDialogue(EffectReverb * effect, wxWindow * parent):
EffectDialog(parent, _("Reverb"), PROCESS_EFFECT, wxDEFAULT_DIALOG_STYLE, ePreviewDryButton),
mEffect(*effect), mParams(effect->mParams)
{
Init();
}
void ReverbDialogue::PopulateOrExchange(ShuttleGui & s)
{
s.StartHorizontalLay(wxCENTER, false);
s.AddTitle(_("by Rob Sykes")); /* i18n-hint: Rob Sykes is a person's name.*/
s.EndHorizontalLay();
s.StartHorizontalLay(wxCENTER, false); // Add a little space
s.EndHorizontalLay();
s.StartMultiColumn(3, wxEXPAND);
{
s.SetStretchyCol(2);
mRoomSizeText = s.Id(ID_RoomSize_TEXT).AddSpinCtrl(_("Room Size (%):"), 0, 100, 0);
s.SetStyle(wxSL_HORIZONTAL);
mRoomSizeWidget = s.Id(ID_RoomSize_WIDGET).AddSlider(wxT(""), 0, 100, 0);
mDelayText = s.Id(ID_Delay_TEXT).AddSpinCtrl(_("Delay (ms):"), 0, 200, 0);
s.SetStyle(wxSL_HORIZONTAL);
mDelayWidget = s.Id(ID_Delay_WIDGET).AddSlider(wxT(""), 0, 200, 0);
mReverberanceText = s.Id(ID_Reverberance_TEXT).AddSpinCtrl(_("Reverberance (%):"), 0, 100, 0);
s.SetStyle(wxSL_HORIZONTAL);
mReverberanceWidget = s.Id(ID_Reverberance_WIDGET).AddSlider(wxT(""), 0, 100, 0);
mHfDampingText = s.Id(ID_HfDamping_TEXT).AddSpinCtrl(_("Damping (%):"), 0, 100, 0);
s.SetStyle(wxSL_HORIZONTAL);
mHfDampingWidget = s.Id(ID_HfDamping_WIDGET).AddSlider(wxT(""), 0, 100, 0);
mToneLowText = s.Id(ID_ToneLow_TEXT).AddSpinCtrl(_("Tone Low (%):"), 0, 100, 0);
s.SetStyle(wxSL_HORIZONTAL);
mToneLowWidget = s.Id(ID_ToneLow_WIDGET).AddSlider(wxT(""), 0, 100, 0);
mToneHighText = s.Id(ID_ToneHigh_TEXT).AddSpinCtrl(_("Tone High (%):"), 0, 100, 0);
s.SetStyle(wxSL_HORIZONTAL);
mToneHighWidget = s.Id(ID_ToneHigh_WIDGET).AddSlider(wxT(""), 0, 100, 0);
mWetGainText = s.Id(ID_WetGain_TEXT).AddSpinCtrl(_("Wet Gain (dB):"), 0, 10, -20);
s.SetStyle(wxSL_HORIZONTAL);
mWetGainWidget = s.Id(ID_WetGain_WIDGET).AddSlider(wxT(""), 0, 10, -20);
mDryGainText = s.Id(ID_DryGain_TEXT).AddSpinCtrl(_("Dry Gain (dB):"), 0, 10, -20);
s.SetStyle(wxSL_HORIZONTAL);
mDryGainWidget = s.Id(ID_DryGain_WIDGET).AddSlider(wxT(""), 0, 10, -20);
mStereoWidthText = s.Id(ID_StereoWidth_TEXT).AddSpinCtrl(_("Stereo Width (%):"), 0, 100, 0);
s.SetStyle(wxSL_HORIZONTAL);
mStereoWidthWidget = s.Id(ID_StereoWidth_WIDGET).AddSlider(wxT(""), 0, 100, 0);
}
s.EndMultiColumn();
s.StartHorizontalLay(wxCENTER, false);
{
mWetOnlyWidget = s.Id(ID_WetOnly_WIDGET).AddCheckBox(wxT("Wet Only"), wxT("false"));
}
s.EndHorizontalLay();
s.StartHorizontalLay(wxCENTER); {
s.StartStatic(_("Presets:")); {
s.Id(ID_PRESETS), s.AddButton(_("Load"));
} s.EndStatic();
s.StartStatic(_("User settings:")); {
s.StartHorizontalLay(wxCENTER); {
s.Id(ID_LOAD_SETTINGS), s.AddButton(_("Load"));
s.Id(ID_SAVE_SETTINGS), s.AddButton(_("Save"));
s.Id(ID_RENAME_SETTINGS), s.AddButton(_("Rename"));
} s.EndHorizontalLay();
} s.EndStatic();
} s.EndHorizontalLay();
return;
}
bool ReverbDialogue::TransferDataToWindow()
{
mRoomSizeWidget->SetValue(int(mParams.mRoomSize));
mRoomSizeText->SetValue(wxString::Format(wxT("%d"), int(mParams.mRoomSize)));
mDelayWidget->SetValue(int(mParams.mDelay));
mDelayText->SetValue(wxString::Format(wxT("%d"), int(mParams.mDelay)));
mReverberanceWidget->SetValue(int(mParams.mReverberance));
mReverberanceText->SetValue(wxString::Format(wxT("%d"), int(mParams.mReverberance)));
mHfDampingWidget->SetValue(int(mParams.mHfDamping));
mHfDampingText->SetValue(wxString::Format(wxT("%d"), int(mParams.mHfDamping)));
mToneLowWidget->SetValue(int(mParams.mToneLow));
mToneLowText->SetValue(wxString::Format(wxT("%d"), int(mParams.mToneLow)));
mToneHighWidget->SetValue(int(mParams.mToneHigh));
mToneHighText->SetValue(wxString::Format(wxT("%d"), int(mParams.mToneHigh)));
mWetGainWidget->SetValue(int(mParams.mWetGain));
mWetGainText->SetValue(wxString::Format(wxT("%d"), int(mParams.mWetGain)));
mDryGainWidget->SetValue(int(mParams.mDryGain));
mDryGainText->SetValue(wxString::Format(wxT("%d"), int(mParams.mDryGain)));
mStereoWidthWidget->SetValue(int(mParams.mStereoWidth));
mStereoWidthText->SetValue(wxString::Format(wxT("%d"), int(mParams.mStereoWidth)));
mWetOnlyWidget->SetValue(int(mParams.mWetOnly));
return true;
}
bool ReverbDialogue::TransferDataFromWindow()
{
mParams.mRoomSize = mRoomSizeWidget->GetValue();
mParams.mDelay = mDelayWidget->GetValue();
mParams.mReverberance = mReverberanceWidget->GetValue();
mParams.mHfDamping = mHfDampingWidget->GetValue();
mParams.mToneLow = mToneLowWidget->GetValue();
mParams.mToneHigh = mToneHighWidget->GetValue();
mParams.mWetGain = mWetGainWidget->GetValue();
mParams.mDryGain = mDryGainWidget->GetValue();
mParams.mStereoWidth = mStereoWidthWidget->GetValue();
mParams.mWetOnly = mWetOnlyWidget->GetValue();
return true;
}
void ReverbDialogue::OnRoomSizeText(wxCommandEvent & WXUNUSED(event))
{ int val = mRoomSizeText->GetValue(); mRoomSizeWidget->SetValue(TrapLong(val, 0, 100)); }
void ReverbDialogue::OnRoomSizeWidget(wxCommandEvent & WXUNUSED(event))
{ mRoomSizeText->SetValue(wxString::Format(wxT("%d"), mRoomSizeWidget->GetValue())); }
void ReverbDialogue::OnDelayText(wxCommandEvent & WXUNUSED(event))
{ int val = mDelayText->GetValue(); mDelayWidget->SetValue(TrapLong(val, 0, 200)); }
void ReverbDialogue::OnDelayWidget(wxCommandEvent & WXUNUSED(event))
{ mDelayText->SetValue(wxString::Format(wxT("%d"), mDelayWidget->GetValue())); }
void ReverbDialogue::OnReverberanceText(wxCommandEvent & WXUNUSED(event))
{ int val = mReverberanceText->GetValue(); mReverberanceWidget->SetValue(TrapLong(val, 0, 100)); }
void ReverbDialogue::OnReverberanceWidget(wxCommandEvent & WXUNUSED(event))
{ mReverberanceText->SetValue(wxString::Format(wxT("%d"), mReverberanceWidget->GetValue())); }
void ReverbDialogue::OnHfDampingText(wxCommandEvent & WXUNUSED(event))
{ int val = mHfDampingText->GetValue(); mHfDampingWidget->SetValue(TrapLong(val, 0, 100)); }
void ReverbDialogue::OnHfDampingWidget(wxCommandEvent & WXUNUSED(event))
{ mHfDampingText->SetValue(wxString::Format(wxT("%d"), mHfDampingWidget->GetValue())); }
void ReverbDialogue::OnToneLowText(wxCommandEvent & WXUNUSED(event))
{ int val = mToneLowText->GetValue(); mToneLowWidget->SetValue(TrapLong(val, 0, 100)); }
void ReverbDialogue::OnToneLowWidget(wxCommandEvent & WXUNUSED(event))
{ mToneLowText->SetValue(wxString::Format(wxT("%d"), mToneLowWidget->GetValue())); }
void ReverbDialogue::OnToneHighText(wxCommandEvent & WXUNUSED(event))
{ int val = mToneHighText->GetValue(); mToneHighWidget->SetValue(TrapLong(val, 0, 100)); }
void ReverbDialogue::OnToneHighWidget(wxCommandEvent & WXUNUSED(event))
{ mToneHighText->SetValue(wxString::Format(wxT("%d"), mToneHighWidget->GetValue())); }
void ReverbDialogue::OnWetGainText(wxCommandEvent & WXUNUSED(event))
{ int val = mWetGainText->GetValue(); mWetGainWidget->SetValue(TrapLong(val, -20, 10)); }
void ReverbDialogue::OnWetGainWidget(wxCommandEvent & WXUNUSED(event))
{ mWetGainText->SetValue(wxString::Format(wxT("%d"), mWetGainWidget->GetValue())); }
void ReverbDialogue::OnDryGainText(wxCommandEvent & WXUNUSED(event))
{ int val = mDryGainText->GetValue(); mDryGainWidget->SetValue(TrapLong(val, -20, 10)); }
void ReverbDialogue::OnDryGainWidget(wxCommandEvent & WXUNUSED(event))
{ mDryGainText->SetValue(wxString::Format(wxT("%d"), mDryGainWidget->GetValue())); }
void ReverbDialogue::OnStereoWidthText(wxCommandEvent & WXUNUSED(event))
{ int val = mStereoWidthText->GetValue(); mStereoWidthWidget->SetValue(TrapLong(val, 0, 100)); }
void ReverbDialogue::OnStereoWidthWidget(wxCommandEvent & WXUNUSED(event))
{ mStereoWidthText->SetValue(wxString::Format(wxT("%d"), mStereoWidthWidget->GetValue())); }
static int wxGetChoiceFromUser(wxWindow * parent, wxString const & message,
wxString const & caption, wxArrayString const & choices,
char * * clientData = 0, long style = wxCHOICEDLG_STYLE,
wxPoint const & pos = wxDefaultPosition) // Home-grown function
{
wxSingleChoiceDialog d(parent, message, caption, choices, clientData, style, pos);
d.ShowModal();
return d.GetReturnCode() == wxID_CANCEL? -1 : d.GetSelection();
}
void ReverbDialogue::LoadPreset(wxCommandEvent & WXUNUSED(event))
{
EffectReverb::Params & p = mParams;
wxString caption(_("Reverb settings"));
wxString message(_("Load preset:"));
wxArrayString choices;
choices.Add(_("Vocal I"));
choices.Add(_("Vocal II"));
choices.Add(_("Bathroom"));
choices.Add(_("Small Room Bright"));
choices.Add(_("Small Room Dark"));
choices.Add(_("Medium Room"));
choices.Add(_("Large Room"));
choices.Add(_("Church Hall"));
choices.Add(_("Cathedral"));
int i(wxGetChoiceFromUser(this, message, caption, choices));
switch (i) {
case 0: p.mRoomSize=70; p.mHfDamping=99; p.mDelay=20; p.mReverberance=40; p.mToneLow=100; p.mToneHigh=50 ; p.mWetGain=-12; p.mDryGain=0 ; p.mStereoWidth=70 ; break;
case 1: p.mRoomSize=50; p.mHfDamping=99; p.mDelay=0 ; p.mReverberance=50; p.mToneLow=50 ; p.mToneHigh=100; p.mWetGain=-1 ; p.mDryGain=-1 ; p.mStereoWidth=70 ; break;
case 2: p.mRoomSize=16; p.mHfDamping=0 ; p.mDelay=8 ; p.mReverberance=80; p.mToneLow=0 ; p.mToneHigh=100; p.mWetGain=-6 ; p.mDryGain=0 ; p.mStereoWidth=100; break;
case 3: p.mRoomSize=30; p.mHfDamping=50; p.mDelay=10; p.mReverberance=50; p.mToneLow=50 ; p.mToneHigh=100; p.mWetGain=-1 ; p.mDryGain=-1 ; p.mStereoWidth=100; break;
case 4: p.mRoomSize=30; p.mHfDamping=50; p.mDelay=10; p.mReverberance=50; p.mToneLow=100; p.mToneHigh=0 ; p.mWetGain=-1 ; p.mDryGain=-1 ; p.mStereoWidth=100; break;
case 5: p.mRoomSize=75; p.mHfDamping=50; p.mDelay=10; p.mReverberance=40; p.mToneLow=100; p.mToneHigh=70 ; p.mWetGain=-1 ; p.mDryGain=-1 ; p.mStereoWidth=70 ; break;
case 6: p.mRoomSize=85; p.mHfDamping=50; p.mDelay=10; p.mReverberance=40; p.mToneLow=100; p.mToneHigh=80 ; p.mWetGain=0 ; p.mDryGain=-6 ; p.mStereoWidth=90 ; break;
case 7: p.mRoomSize=90; p.mHfDamping=50; p.mDelay=32; p.mReverberance=60; p.mToneLow=100; p.mToneHigh=50 ; p.mWetGain=0 ; p.mDryGain=-12; p.mStereoWidth=100; break;
case 8: p.mRoomSize=90; p.mHfDamping=50; p.mDelay=16; p.mReverberance=90; p.mToneLow=100; p.mToneHigh=0 ; p.mWetGain=0 ; p.mDryGain=-20; p.mStereoWidth=100; break;
default: return;
}
p.mWetOnly=0;
TransferDataToWindow();
SetTitle(choices[i]);
}
int ReverbDialogue::ChooseSettings(wxString const & message)
{
wxString caption(_("Reverb settings"));
wxArrayString choices;
for (int i = 0; i < 10; choices.Add(mEffect.SettingsName(i++)));
return wxGetChoiceFromUser(this, message, caption, choices);
}
void ReverbDialogue::SaveSettings(wxCommandEvent & WXUNUSED(event))
{
int i(ChooseSettings(_("Save current settings as:")));
if (i >= 0) {
EffectReverb::Params savedParams(mParams);
TransferDataFromWindow();
mEffect.SaveSettings(i, &mParams);
mParams = savedParams;
SetTitle(mEffect.SettingsName(i));
}
}
void ReverbDialogue::SetTitle(wxString const & name)
{
wxString title(_("Reverb"));
if (name != wxT(""))
title += wxT(": ") + name;
wxTopLevelWindow::SetTitle(title);
}
void ReverbDialogue::LoadSettings(wxCommandEvent & WXUNUSED(event))
{
int i(ChooseSettings(_("Load settings:")));
if (i >= 0) {
mEffect.LoadSettings(i, mParams);
TransferDataToWindow();
SetTitle(mEffect.SettingsName(i));
}
}
void ReverbDialogue::RenameSettings(wxCommandEvent & WXUNUSED(event))
{
int i(ChooseSettings(_("Rename settings:")));
if (i >= 0) {
wxString oldName = mEffect.SettingsName(i);
wxString newName = wxGetTextFromUser(_("Change name to:"), oldName, oldName, this);
if (newName != wxT(""))
mEffect.SaveSettings(i, 0, &newName);
}
}
void ReverbDialogue::OnPreview(wxCommandEvent & event)
{
if (event.GetId() == ePreviewID) {
EffectReverb::Params savedParams(mParams);
TransferDataFromWindow();
mEffect.Preview();
mParams = savedParams;
}
else mEffect.Preview(true);
}