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b44ad7cd7122b9a9d7289b6373824293448c8512
audacity/src/MixerBoard.cpp
Paul Licameli 79c79f9cd3 Remove many mentions of sampleCount with auto and decltype... 
... This makes much code agnostic about how other things (functions and
arguments) are typed.

Many of these neeed to become size_t instead of sampleCount.
2016-08-24 14:50:45 -04:00

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/**********************************************************************
Audacity: A Digital Audio Editor
MixerBoard.cpp
Vaughan Johnson, January 2007
Dominic Mazzoni
**********************************************************************/
#include "Audacity.h"
#include "Experimental.h"
#include "MixerBoard.h"
#include <math.h>
#include <wx/dcmemory.h>
#include <wx/arrimpl.cpp>
#include <wx/icon.h>
#include <wx/settings.h> // for wxSystemSettings::GetColour and wxSystemSettings::GetMetric
#include "AColor.h"
#include "AudioIO.h"
#ifdef EXPERIMENTAL_MIDI_OUT
#include "NoteTrack.h"
#endif
#include "Project.h"
#include "TrackPanel.h" // for EVT_TRACK_PANEL_TIMER
#include "UndoManager.h"
#include "WaveTrack.h"
#include "widgets/Meter.h"
#include "../images/MusicalInstruments.h"
#ifdef __WXMSW__
#include "../images/AudacityLogo.xpm"
#else
#include "../images/AudacityLogo48x48.xpm"
#endif
// class MixerTrackSlider
BEGIN_EVENT_TABLE(MixerTrackSlider, ASlider)
EVT_MOUSE_EVENTS(MixerTrackSlider::OnMouseEvent)
EVT_SET_FOCUS(MixerTrackSlider::OnFocus)
EVT_KILL_FOCUS(MixerTrackSlider::OnFocus)
EVT_COMMAND(wxID_ANY, EVT_CAPTURE_KEY, MixerTrackSlider::OnCaptureKey)
END_EVENT_TABLE()
MixerTrackSlider::MixerTrackSlider(wxWindow * parent,
wxWindowID id,
const wxString &name,
const wxPoint & pos,
const wxSize & size,
int style /*= FRAC_SLIDER*/,
bool popup /*= true*/,
bool canUseShift /*= true*/,
float stepValue /*= STEP_CONTINUOUS*/,
int orientation /*= wxHORIZONTAL*/)
: ASlider(parent, id, name, pos, size,
style, popup, canUseShift, stepValue, orientation)
{
}
void MixerTrackSlider::OnMouseEvent(wxMouseEvent &event)
{
ASlider::OnMouseEvent(event);
if (event.ButtonUp())
{
MixerTrackCluster* pMixerTrackCluster = (MixerTrackCluster*)(this->GetParent());
switch (mStyle)
{
case DB_SLIDER: pMixerTrackCluster->HandleSliderGain(true); break;
case PAN_SLIDER: pMixerTrackCluster->HandleSliderPan(true); break;
default: break; // no-op
}
}
}
void MixerTrackSlider::OnFocus(wxFocusEvent &event)
{
if (event.GetEventType() == wxEVT_KILL_FOCUS) {
AudacityProject::ReleaseKeyboard(this);
}
else {
AudacityProject::CaptureKeyboard(this);
}
Refresh(false);
event.Skip();
}
void MixerTrackSlider::OnCaptureKey(wxCommandEvent &event)
{
wxKeyEvent *kevent = (wxKeyEvent *)event.GetEventObject();
int keyCode = kevent->GetKeyCode();
// Pass LEFT/RIGHT/UP/DOWN/PAGEUP/PAGEDOWN through for input/output sliders
if (keyCode == WXK_LEFT || keyCode == WXK_RIGHT ||
keyCode == WXK_UP || keyCode == WXK_DOWN ||
keyCode == WXK_PAGEUP || keyCode == WXK_PAGEDOWN) {
return;
}
event.Skip();
return;
}
// class MixerTrackCluster
#define kInset 4
#define kDoubleInset (2 * kInset)
#define kTripleInset (3 * kInset)
#define kQuadrupleInset (4 * kInset)
#define TRACK_NAME_HEIGHT 18
#define MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH 48
#define MUTE_SOLO_HEIGHT 16
#define PAN_HEIGHT 24
#define kLeftSideStackWidth MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH - kDoubleInset //vvv Change when numbers shown on slider scale.
#define kRightSideStackWidth MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset
#define kMixerTrackClusterWidth kLeftSideStackWidth + kRightSideStackWidth + kQuadrupleInset // kDoubleInset margin on both sides
enum {
ID_BITMAPBUTTON_MUSICAL_INSTRUMENT = 13000,
ID_SLIDER_PAN,
ID_SLIDER_GAIN,
ID_TOGGLEBUTTON_MUTE,
ID_TOGGLEBUTTON_SOLO,
};
BEGIN_EVENT_TABLE(MixerTrackCluster, wxPanelWrapper)
EVT_MOUSE_EVENTS(MixerTrackCluster::OnMouseEvent)
EVT_PAINT(MixerTrackCluster::OnPaint)
EVT_BUTTON(ID_BITMAPBUTTON_MUSICAL_INSTRUMENT, MixerTrackCluster::OnButton_MusicalInstrument)
EVT_SLIDER(ID_SLIDER_PAN, MixerTrackCluster::OnSlider_Pan)
EVT_SLIDER(ID_SLIDER_GAIN, MixerTrackCluster::OnSlider_Gain)
//v EVT_COMMAND_SCROLL(ID_SLIDER_GAIN, MixerTrackCluster::OnSliderScroll_Gain)
EVT_COMMAND(ID_TOGGLEBUTTON_MUTE, wxEVT_COMMAND_BUTTON_CLICKED, MixerTrackCluster::OnButton_Mute)
EVT_COMMAND(ID_TOGGLEBUTTON_SOLO, wxEVT_COMMAND_BUTTON_CLICKED, MixerTrackCluster::OnButton_Solo)
END_EVENT_TABLE()
MixerTrackCluster::MixerTrackCluster(wxWindow* parent,
MixerBoard* grandParent, AudacityProject* project,
WaveTrack* pLeftTrack, WaveTrack* pRightTrack /*= NULL*/,
const wxPoint& pos /*= wxDefaultPosition*/,
const wxSize& size /*= wxDefaultSize*/)
: wxPanelWrapper(parent, -1, pos, size)
{
mMixerBoard = grandParent;
mProject = project;
#ifdef EXPERIMENTAL_MIDI_OUT
if (pLeftTrack->GetKind() == Track::Note) {
mLeftTrack = NULL;
mNoteTrack = (NoteTrack*) pLeftTrack;
mTrack = pLeftTrack;
} else {
wxASSERT(pLeftTrack->GetKind() == Track::Wave);
mTrack = mLeftTrack = pLeftTrack;
mNoteTrack = NULL;
}
#else
wxASSERT(pLeftTrack->GetKind() == Track::Wave);
mLeftTrack = pLeftTrack;
#endif
mRightTrack = pRightTrack;
SetName(mLeftTrack->GetName());
this->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
// Not sure why, but sizers weren't getting offset vertically,
// probably because not using wxDefaultPosition,
// so positions are calculated explicitly below, and sizers code was removed.
// (Still available in Audacity_UmixIt branch off 1.2.6.)
// track name
wxPoint ctrlPos(kDoubleInset, kDoubleInset);
wxSize ctrlSize(size.GetWidth() - kQuadrupleInset, TRACK_NAME_HEIGHT);
mStaticText_TrackName =
#ifdef EXPERIMENTAL_MIDI_OUT
safenew wxStaticText(this, -1, mTrack->GetName(), ctrlPos, ctrlSize,
wxALIGN_CENTRE | wxST_NO_AUTORESIZE | wxSUNKEN_BORDER);
#else
safenew wxStaticText(this, -1, mLeftTrack->GetName(), ctrlPos, ctrlSize,
wxALIGN_CENTRE | 0x0001 | wxBORDER_SUNKEN);
#endif
//v Useful when different tracks are different colors, but not now.
// mStaticText_TrackName->SetBackgroundColour(this->GetTrackColor());
// gain slider at left
ctrlPos.x = kDoubleInset;
ctrlPos.y += TRACK_NAME_HEIGHT + kDoubleInset;
const int nGainSliderHeight =
size.GetHeight() - ctrlPos.y - kQuadrupleInset;
ctrlSize.Set(kLeftSideStackWidth - kQuadrupleInset, nGainSliderHeight);
#ifdef EXPERIMENTAL_MIDI_OUT
if (mNoteTrack) {
mSlider_Gain =
safenew MixerTrackSlider(
this, ID_SLIDER_GAIN,
/* i18n-hint: title of the MIDI Velocity slider */
_("Velocity"),
ctrlPos, ctrlSize, VEL_SLIDER, true,
true, 0.0, wxVERTICAL);
} else
#endif
mSlider_Gain =
safenew MixerTrackSlider(
this, ID_SLIDER_GAIN,
/* i18n-hint: title of the Gain slider, used to adjust the volume */
_("Gain"),
ctrlPos, ctrlSize, DB_SLIDER, true,
true, 0.0, wxVERTICAL);
mSlider_Gain->SetName(_("Gain"));
this->UpdateGain();
// other controls and meter at right
// musical instrument image
ctrlPos.x += kLeftSideStackWidth + kInset; // + kInset to center it in right side stack
ctrlSize.Set(MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH, MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH);
#ifdef EXPERIMENTAL_MIDI_OUT
wxBitmap* bitmap = mMixerBoard->GetMusicalInstrumentBitmap(mTrack->GetName());
#else
wxBitmap* bitmap = mMixerBoard->GetMusicalInstrumentBitmap(mLeftTrack);
#endif
wxASSERT(bitmap);
mBitmapButton_MusicalInstrument =
safenew wxBitmapButton(this, ID_BITMAPBUTTON_MUSICAL_INSTRUMENT, *bitmap,
ctrlPos, ctrlSize,
wxBU_AUTODRAW, wxDefaultValidator,
_("Musical Instrument"));
mBitmapButton_MusicalInstrument->SetName(_("Musical Instrument"));
// pan slider
ctrlPos.x -= kInset; // Remove inset for instrument, so Pan is at leftmost of left side stack.
ctrlPos.y += MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset;
ctrlSize.Set(kRightSideStackWidth, PAN_HEIGHT);
// The width of the pan slider must be odd (don't ask).
if (!(ctrlSize.x & 1))
ctrlSize.x--;
mSlider_Pan =
safenew MixerTrackSlider(
this, ID_SLIDER_PAN,
/* i18n-hint: Title of the Pan slider, used to move the sound left or right */
_("Pan"),
ctrlPos, ctrlSize, PAN_SLIDER, true);
mSlider_Pan->SetName(_("Pan"));
this->UpdatePan();
// mute/solo buttons stacked below Pan slider
ctrlPos.y += PAN_HEIGHT + kDoubleInset;
ctrlSize.Set(mMixerBoard->mMuteSoloWidth, MUTE_SOLO_HEIGHT);
mToggleButton_Mute =
safenew AButton(this, ID_TOGGLEBUTTON_MUTE,
ctrlPos, ctrlSize,
*(mMixerBoard->mImageMuteUp), *(mMixerBoard->mImageMuteOver),
*(mMixerBoard->mImageMuteDown), *(mMixerBoard->mImageMuteDisabled),
true); // toggle button
mToggleButton_Mute->SetName(_("Mute"));
mToggleButton_Mute->SetAlternateImages(
1,
*(mMixerBoard->mImageMuteUp), *(mMixerBoard->mImageMuteOver),
*(mMixerBoard->mImageMuteDown), *(mMixerBoard->mImageMuteDisabled));
this->UpdateMute();
ctrlPos.y += MUTE_SOLO_HEIGHT;
mToggleButton_Solo =
safenew AButton(this, ID_TOGGLEBUTTON_SOLO,
ctrlPos, ctrlSize,
*(mMixerBoard->mImageSoloUp), *(mMixerBoard->mImageSoloOver),
*(mMixerBoard->mImageSoloDown), *(mMixerBoard->mImageSoloDisabled),
true); // toggle button
mToggleButton_Solo->SetName(_("Solo"));
this->UpdateSolo();
bool bSoloNone = mProject->IsSoloNone();
mToggleButton_Solo->Show(!bSoloNone);
// meter
ctrlPos.y += (bSoloNone ? 0 : MUTE_SOLO_HEIGHT) + kDoubleInset;
const int nMeterHeight =
nGainSliderHeight -
(MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset) -
(PAN_HEIGHT + kDoubleInset) -
(MUTE_SOLO_HEIGHT + (bSoloNone ? 0 : MUTE_SOLO_HEIGHT) + kDoubleInset);
ctrlSize.Set(kRightSideStackWidth, nMeterHeight);
#ifdef EXPERIMENTAL_MIDI_OUT
if (mLeftTrack) {
#endif
mMeter =
safenew Meter(GetActiveProject(), // AudacityProject* project,
this, -1, // wxWindow* parent, wxWindowID id,
false, // bool isInput
ctrlPos, ctrlSize, // const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
Meter::MixerTrackCluster); // Style style = HorizontalStereo,
mMeter->SetName(_("Signal Level Meter"));
#ifdef EXPERIMENTAL_MIDI_OUT
} else {
mMeter = NULL;
}
#endif
#if wxUSE_TOOLTIPS
#ifdef EXPERIMENTAL_MIDI_OUT
mStaticText_TrackName->SetToolTip(mTrack->GetName());
#else
mStaticText_TrackName->SetToolTip(mLeftTrack->GetName());
#endif
mToggleButton_Mute->SetToolTip(_("Mute"));
mToggleButton_Solo->SetToolTip(_("Solo"));
#ifdef EXPERIMENTAL_MIDI_OUT
if (mLeftTrack)
#endif
mMeter->SetToolTip(_("Signal Level Meter"));
#endif // wxUSE_TOOLTIPS
#ifdef __WXMAC__
wxSizeEvent event(GetSize(), GetId());
event.SetEventObject(this);
GetEventHandler()->ProcessEvent(event);
UpdateGain();
#endif
}
void MixerTrackCluster::UpdatePrefs()
{
mMeter->UpdatePrefs(); // in case meter range has changed
HandleResize(); // in case prefs "/GUI/Solo" changed
}
void MixerTrackCluster::HandleResize() // For wxSizeEvents, update gain slider and meter.
{
wxSize scrolledWindowClientSize = this->GetParent()->GetClientSize();
const int newClusterHeight =
scrolledWindowClientSize.GetHeight() - kDoubleInset - // nClusterHeight from MixerBoard::UpdateTrackClusters
wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y) + // wxScrolledWindow::GetClientSize doesn't account for its scrollbar size.
kDoubleInset;
this->SetSize(-1, newClusterHeight);
// Change only the heights of mSlider_Gain and mMeter.
// But update shown status of mToggleButton_Solo, which affects top of mMeter.
const int nGainSliderHeight =
newClusterHeight -
(kInset + // margin above mStaticText_TrackName
TRACK_NAME_HEIGHT + kDoubleInset) - // mStaticText_TrackName + margin
kQuadrupleInset; // margin below gain slider
mSlider_Gain->SetSize(-1, nGainSliderHeight);
bool bSoloNone = mProject->IsSoloNone();
mToggleButton_Solo->Show(!bSoloNone);
const int nRequiredHeightAboveMeter =
MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH + kDoubleInset +
PAN_HEIGHT + kDoubleInset +
MUTE_SOLO_HEIGHT + (bSoloNone ? 0 : MUTE_SOLO_HEIGHT) + kDoubleInset;
const int nMeterY =
kDoubleInset + // margin at top
TRACK_NAME_HEIGHT + kDoubleInset +
nRequiredHeightAboveMeter;
const int nMeterHeight = nGainSliderHeight - nRequiredHeightAboveMeter;
#ifdef EXPERIMENTAL_MIDI_OUT
if (mMeter)
#endif
mMeter->SetSize(-1, nMeterY, -1, nMeterHeight);
}
void MixerTrackCluster::HandleSliderGain(const bool bWantPushState /*= false*/)
{
float fValue = mSlider_Gain->Get();
if (mLeftTrack)
mLeftTrack->SetGain(fValue);
#ifdef EXPERIMENTAL_MIDI_OUT
else
mNoteTrack->SetGain(fValue);
#endif
if (mRightTrack)
mRightTrack->SetGain(fValue);
// Update the TrackPanel correspondingly.
#ifdef EXPERIMENTAL_MIDI_OUT
mProject->RefreshTPTrack(mTrack);
#else
mProject->RefreshTPTrack(mLeftTrack);
#endif
if (bWantPushState)
mProject->TP_PushState(_("Moved gain slider"), _("Gain"), UndoPush::CONSOLIDATE );
}
void MixerTrackCluster::HandleSliderPan(const bool bWantPushState /*= false*/)
{
float fValue = mSlider_Pan->Get();
if (mLeftTrack) // test in case track is a NoteTrack
mLeftTrack->SetPan(fValue);
if (mRightTrack)
mRightTrack->SetPan(fValue);
// Update the TrackPanel correspondingly.
#ifdef EXPERIMENTAL_MIDI_OUT
mProject->RefreshTPTrack(mTrack);
#else
mProject->RefreshTPTrack(mLeftTrack);
#endif
if (bWantPushState)
mProject->TP_PushState(_("Moved pan slider"), _("Pan"), UndoPush::CONSOLIDATE );
}
void MixerTrackCluster::ResetMeter(const bool bResetClipping)
{
#ifdef EXPERIMENTAL_MIDI_OUT
if (mMeter)
#endif
mMeter->Reset(mLeftTrack->GetRate(), bResetClipping);
}
// These are used by TrackPanel for synchronizing control states, etc.
// Update the controls that can be affected by state change.
void MixerTrackCluster::UpdateForStateChange()
{
this->UpdateName();
this->UpdatePan();
this->UpdateGain();
}
void MixerTrackCluster::UpdateName()
{
#ifdef EXPERIMENTAL_MIDI_OUT
const wxString newName = mTrack->GetName();
#else
const wxString newName = mLeftTrack->GetName();
#endif
SetName(newName);
mStaticText_TrackName->SetLabel(newName);
#if wxUSE_TOOLTIPS
mStaticText_TrackName->SetToolTip(newName);
#endif
mBitmapButton_MusicalInstrument->SetBitmapLabel(
#ifdef EXPERIMENTAL_MIDI_OUT
*(mMixerBoard->GetMusicalInstrumentBitmap(newName)));
#else
*(mMixerBoard->GetMusicalInstrumentBitmap(mLeftTrack)));
#endif
}
void MixerTrackCluster::UpdateMute()
{
#ifdef EXPERIMENTAL_MIDI_OUT
mToggleButton_Mute->SetAlternateIdx(mTrack->GetSolo() ? 1 : 0);
if (mTrack->GetMute())
#else
mToggleButton_Mute->SetAlternateIdx(mLeftTrack->GetSolo() ? 1 : 0);
if (mLeftTrack->GetMute())
#endif
mToggleButton_Mute->PushDown();
else
mToggleButton_Mute->PopUp();
}
void MixerTrackCluster::UpdateSolo()
{
#ifdef EXPERIMENTAL_MIDI_OUT
bool bIsSolo = mTrack->GetSolo();
#else
bool bIsSolo = mLeftTrack->GetSolo();
#endif
if (bIsSolo)
mToggleButton_Solo->PushDown();
else
mToggleButton_Solo->PopUp();
mToggleButton_Mute->SetAlternateIdx(bIsSolo ? 1 : 0);
}
void MixerTrackCluster::UpdatePan()
{
#ifdef EXPERIMENTAL_MIDI_OUT
if (mNoteTrack) {
mSlider_Pan->Hide();
return;
}
#endif
mSlider_Pan->Set(mLeftTrack->GetPan());
}
void MixerTrackCluster::UpdateGain()
{
#ifdef EXPERIMENTAL_MIDI_OUT
if (mNoteTrack) {
mSlider_Gain->SetStyle(VEL_SLIDER);
mSlider_Gain->Set(mNoteTrack->GetGain());
return;
}
mSlider_Gain->SetStyle(DB_SLIDER);
#endif
mSlider_Gain->Set(mLeftTrack->GetGain());
}
void MixerTrackCluster::UpdateMeter(const double t0, const double t1)
{
#ifdef EXPERIMENTAL_MIDI_OUT
// NoteTracks do not (currently) register on meters. It would probably be
// a good idea to display 16 channel "active" lights rather than a meter
if (!mLeftTrack)
return;
#else
wxASSERT(mLeftTrack && (mLeftTrack->GetKind() == Track::Wave));
#endif
//vvv Vaughan, 2010-11-27:
// NOTE TO ROGER DANNENBERG:
// I undid the mTrack hack in this conditional, as the rest of the method still assumed it's a wavetrack
// so dereferencing mLeftTrack would have gotten a NULL pointer fault.
// I really think MixerTrackCluster should be factored for NoteTracks.
// REPLY: I think bSuccess prevents dereferencing mLeftTrack, but I will
// check. We should talk about whether it's better to factor
// MixerTrackCluster or more fully hide track types from MixerTrackCluster.
// For now, out change plan produced the following:
// Vaughan, 2011=10-15: There's no bSuccess here, so I don't know what you mean.
// But this change is consistent with the others for EXPERIMENTAL_MIDI_OUT, so I accept it.
if ((t0 < 0.0) || (t1 < 0.0) || (t0 >= t1) || // bad time value or nothing to show
#ifdef EXPERIMENTAL_MIDI_OUT
((mMixerBoard->HasSolo() || mTrack->GetMute()) && !mTrack->GetSolo()))
#else
((mMixerBoard->HasSolo() || mLeftTrack->GetMute()) && !mLeftTrack->GetSolo()))
#endif
{
//v Vaughan, 2011-02-25: Moved the update back to TrackPanel::OnTimer() as it helps with
// playback issues reported by Bill and noted on Bug 258, so no assert.
// Vaughan, 2011-02-04: Now that we're updating all meters from audacityAudioCallback,
// this causes an assert if you click Mute while playing, because ResetMeter() resets
// the timer, and wxTimerbase says that can only be done from main thread --
// but it seems to work fine.
this->ResetMeter(false);
return;
}
// Vaughan, 2010-11-27:
// This commented out code is flawed. Mistaken understanding of "frame" vs "window".
// Caused me to override Meter::UpdateDisplay().
// But I think it's got a good idea, of calling WaveTracks' GetMinMax and GetRMS
// instead of passing in all the data and asking the meter to derive peak and rms.
// May be worth revisiting as I think it should perform better, because it uses the min/max/rms
// stored in blockfiles, rather than calculating them, but for now, changing it to use the
// original Meter::UpdateDisplay(). New code is below the previous (now commented out).
//
//const int kFramesPerBuffer = 4;
//float min; // dummy, since it's not shown in meters
//float* maxLeft = new float[kFramesPerBuffer];
//float* rmsLeft = new float[kFramesPerBuffer];
//float* maxRight = new float[kFramesPerBuffer];
//float* rmsRight = new float[kFramesPerBuffer];
//
//#ifdef EXPERIMENTAL_MIDI_OUT
// bool bSuccess = (mLeftTrack != NULL);
//#else
// bool bSuccess = true;
//#endif
//const double dFrameInterval = (t1 - t0) / (double)kFramesPerBuffer;
//double dFrameT0 = t0;
//double dFrameT1 = t0 + dFrameInterval;
//int i = 0;
//while (bSuccess && (i < kFramesPerBuffer))
//{
// bSuccess &=
// mLeftTrack->GetMinMax(&min, &(maxLeft[i]), dFrameT0, dFrameT1) &&
// mLeftTrack->GetRMS(&(rmsLeft[i]), dFrameT0, dFrameT1);
// if (bSuccess && mRightTrack)
// bSuccess &=
// mRightTrack->GetMinMax(&min, &(maxRight[i]), dFrameT0, dFrameT1) &&
// mRightTrack->GetRMS(&(rmsRight[i]), dFrameT0, dFrameT1);
// else
// {
// // Mono: Start with raw values same as left.
// // To be modified by bWantPostFadeValues and channel pan/gain.
// maxRight[i] = maxLeft[i];
// rmsRight[i] = rmsLeft[i];
// }
// dFrameT0 += dFrameInterval;
// dFrameT1 += dFrameInterval;
// i++;
//}
//
//const bool bWantPostFadeValues = true; //v Turn this into a checkbox on MixerBoard? For now, always true.
//if (bSuccess && bWantPostFadeValues)
//if (bSuccess)
//{
// for (i = 0; i < kFramesPerBuffer; i++)
// {
// float gain = mLeftTrack->GetChannelGain(0);
// maxLeft[i] *= gain;
// rmsLeft[i] *= gain;
// if (mRightTrack)
// gain = mRightTrack->GetChannelGain(1);
// maxRight[i] *= gain;
// rmsRight[i] *= gain;
// }
// mMeter->UpdateDisplay(
// 2, // If mono, show left track values in both meters, as in MeterToolBar, rather than kNumChannels.
// kFramesPerBuffer,
// maxLeft, rmsLeft,
// maxRight, rmsRight,
// mLeftTrack->TimeToLongSamples(t1 - t0));
//}
//
//delete[] maxLeft;
//delete[] rmsLeft;
//delete[] maxRight;
//delete[] rmsRight;
auto startSample = (sampleCount)((mLeftTrack->GetRate() * t0) + 0.5);
auto nFrames = (sampleCount)((mLeftTrack->GetRate() * (t1 - t0)) + 0.5);
float* meterFloatsArray = NULL;
float* tempFloatsArray = new float[nFrames];
bool bSuccess = mLeftTrack->Get((samplePtr)tempFloatsArray, floatSample, startSample, nFrames);
if (bSuccess)
{
// We always pass a stereo sample array to the meter, as it shows 2 channels.
// Mono shows same in both meters.
// Since we're not mixing, need to duplicate same signal for "right" channel in mono case.
meterFloatsArray = new float[2 * nFrames];
// Interleave for stereo. Left/mono first.
for (int index = 0; index < nFrames; index++)
meterFloatsArray[2 * index] = tempFloatsArray[index];
if (mRightTrack)
bSuccess = mRightTrack->Get((samplePtr)tempFloatsArray, floatSample, startSample, nFrames);
if (bSuccess)
// Interleave right channel, or duplicate same signal for "right" channel in mono case.
for (int index = 0; index < nFrames; index++)
meterFloatsArray[(2 * index) + 1] = tempFloatsArray[index];
}
//const bool bWantPostFadeValues = true; //v Turn this into a checkbox on MixerBoard? For now, always true.
//if (bSuccess && bWantPostFadeValues)
if (bSuccess)
{
//vvv Need to apply envelope, too? See Mixer::MixSameRate.
float gain = mLeftTrack->GetChannelGain(0);
if (gain < 1.0)
for (int index = 0; index < nFrames; index++)
meterFloatsArray[2 * index] *= gain;
if (mRightTrack)
gain = mRightTrack->GetChannelGain(1);
else
gain = mLeftTrack->GetChannelGain(1);
if (gain < 1.0)
for (int index = 0; index < nFrames; index++)
meterFloatsArray[(2 * index) + 1] *= gain;
// Clip to [-1.0, 1.0] range.
for (int index = 0; index < 2 * nFrames; index++)
if (meterFloatsArray[index] < -1.0)
meterFloatsArray[index] = -1.0;
else if (meterFloatsArray[index] > 1.0)
meterFloatsArray[index] = 1.0;
mMeter->UpdateDisplay(2, nFrames, meterFloatsArray);
}
else
this->ResetMeter(false);
delete[] meterFloatsArray;
delete[] tempFloatsArray;
}
// private
wxColour MixerTrackCluster::GetTrackColor()
{
return wxColour(102, 255, 102); // same as Meter playback color
}
// event handlers
void MixerTrackCluster::HandleSelect(bool bShiftDown, bool bControlDown)
{
#ifdef EXPERIMENTAL_MIDI_OUT
Track *pTrack = mTrack;
#else
Track *pTrack = mLeftTrack;
#endif
mProject->GetTrackPanel()->HandleListSelection(pTrack, bShiftDown, bControlDown);
}
void MixerTrackCluster::OnMouseEvent(wxMouseEvent& event)
{
if (event.ButtonUp())
this->HandleSelect(event.ShiftDown(), event.ControlDown());
else
event.Skip();
}
void MixerTrackCluster::OnPaint(wxPaintEvent & WXUNUSED(event))
{
wxPaintDC dc(this);
#ifdef __WXMAC__
// Fill with correct color, not scroller background. Done automatically on Windows.
AColor::Medium(&dc, false);
dc.DrawRectangle(this->GetClientRect());
#endif
wxSize clusterSize = this->GetSize();
wxRect bev(0, 0, clusterSize.GetWidth() - 1, clusterSize.GetHeight() - 1);
#ifdef EXPERIMENTAL_MIDI_OUT
auto selected = mTrack->GetSelected();
#else
auto selected = mLeftTrack->GetSelected();
#endif
for (unsigned int i = 0; i < 4; i++) // 4 gives a big bevel, but there were complaints about visibility otherwise.
{
bev.Inflate(-1, -1);
AColor::Bevel(dc, !selected, bev);
}
}
void MixerTrackCluster::OnButton_MusicalInstrument(wxCommandEvent& WXUNUSED(event))
{
const auto &state = ::wxGetMouseState();
this->HandleSelect(state.ShiftDown(), state.ControlDown());
}
void MixerTrackCluster::OnSlider_Gain(wxCommandEvent& WXUNUSED(event))
{
this->HandleSliderGain();
}
//v void MixerTrackCluster::OnSliderScroll_Gain(wxScrollEvent& WXUNUSED(event))
//{
//int sliderValue = (int)(mSlider_Gain->Get()); //v mSlider_Gain->GetValue();
//#ifdef __WXMSW__
// // Negate because wxSlider on Windows has min at top, max at bottom.
// // mSlider_Gain->GetValue() is in [-6,36]. wxSlider has min at top, so this is [-36dB,6dB].
// sliderValue = -sliderValue;
//#endif
//wxString str = _("Gain: ");
//if (sliderValue > 0)
// str += "+";
//str += wxString::Format("%d dB", sliderValue);
//mSlider_Gain->SetToolTip(str);
//}
void MixerTrackCluster::OnSlider_Pan(wxCommandEvent& WXUNUSED(event))
{
this->HandleSliderPan();
}
void MixerTrackCluster::OnButton_Mute(wxCommandEvent& WXUNUSED(event))
{
#ifdef EXPERIMENTAL_MIDI_OUT
mProject->HandleTrackMute(mTrack, mToggleButton_Mute->WasShiftDown());
mToggleButton_Mute->SetAlternateIdx(mTrack->GetSolo() ? 1 : 0);
#else
mProject->HandleTrackMute(mLeftTrack, mToggleButton_Mute->WasShiftDown());
mToggleButton_Mute->SetAlternateIdx(mLeftTrack->GetSolo() ? 1 : 0);
#endif
// Update the TrackPanel correspondingly.
if (mProject->IsSoloSimple())
{
// Have to refresh all tracks.
mMixerBoard->UpdateSolo();
mProject->RedrawProject();
}
else
// Update only the changed track.
#ifdef EXPERIMENTAL_MIDI_OUT
mProject->RefreshTPTrack(mTrack);
#else
mProject->RefreshTPTrack(mLeftTrack);
#endif
}
void MixerTrackCluster::OnButton_Solo(wxCommandEvent& WXUNUSED(event))
{
#ifdef EXPERIMENTAL_MIDI_OUT
mProject->HandleTrackSolo(mTrack, mToggleButton_Solo->WasShiftDown());
bool bIsSolo = mTrack->GetSolo();
#else
mProject->HandleTrackSolo(mLeftTrack, mToggleButton_Solo->WasShiftDown());
bool bIsSolo = mLeftTrack->GetSolo();
#endif
mToggleButton_Mute->SetAlternateIdx(bIsSolo ? 1 : 0);
// Update the TrackPanel correspondingly.
if (mProject->IsSoloSimple())
{
// Have to refresh all tracks.
mMixerBoard->UpdateMute();
mMixerBoard->UpdateSolo();
mProject->RedrawProject();
}
else
// Update only the changed track.
#ifdef EXPERIMENTAL_MIDI_OUT
mProject->RefreshTPTrack(mTrack);
#else
mProject->RefreshTPTrack(mLeftTrack);
#endif
}
// class MusicalInstrument
MusicalInstrument::MusicalInstrument(std::unique_ptr<wxBitmap> &&pBitmap, const wxString & strXPMfilename)
{
mBitmap = std::move(pBitmap);
int nUnderscoreIndex;
wxString strFilename = strXPMfilename;
strFilename.MakeLower(); // Make sure, so we don't have to do case insensitive comparison.
wxString strKeyword;
while ((nUnderscoreIndex = strFilename.Find(wxT('_'))) != -1)
{
strKeyword = strFilename.Left(nUnderscoreIndex);
mKeywords.Add(strKeyword);
strFilename = strFilename.Mid(nUnderscoreIndex + 1);
}
if (!strFilename.IsEmpty()) // Skip trailing underscores.
mKeywords.Add(strFilename); // Add the last one.
}
MusicalInstrument::~MusicalInstrument()
{
mKeywords.Clear();
}
// class MixerBoardScrolledWindow
// wxScrolledWindow ignores mouse clicks in client area,
// but they don't get passed to Mixerboard.
// We need to catch them to deselect all track clusters.
BEGIN_EVENT_TABLE(MixerBoardScrolledWindow, wxScrolledWindow)
EVT_MOUSE_EVENTS(MixerBoardScrolledWindow::OnMouseEvent)
END_EVENT_TABLE()
MixerBoardScrolledWindow::MixerBoardScrolledWindow(AudacityProject* project,
MixerBoard* parent, wxWindowID id /*= -1*/,
const wxPoint& pos /*= wxDefaultPosition*/,
const wxSize& size /*= wxDefaultSize*/,
long style /*= wxHSCROLL | wxVSCROLL*/)
: wxScrolledWindow(parent, id, pos, size, style)
{
mMixerBoard = parent;
mProject = project;
}
MixerBoardScrolledWindow::~MixerBoardScrolledWindow()
{
}
void MixerBoardScrolledWindow::OnMouseEvent(wxMouseEvent& event)
{
if (event.ButtonUp())
{
//v Even when I implement MixerBoard::OnMouseEvent and call event.Skip()
// here, MixerBoard::OnMouseEvent never gets called.
// So, added mProject to MixerBoardScrolledWindow and just directly do what's needed here.
mProject->SelectNone();
}
else
event.Skip();
}
// class MixerBoard
#define MIXER_BOARD_MIN_HEIGHT 460
// Min width is one cluster wide, plus margins.
#define MIXER_BOARD_MIN_WIDTH kTripleInset + kMixerTrackClusterWidth + kTripleInset
BEGIN_EVENT_TABLE(MixerBoard, wxWindow)
EVT_SIZE(MixerBoard::OnSize)
END_EVENT_TABLE()
MixerBoard::MixerBoard(AudacityProject* pProject,
wxFrame* parent,
const wxPoint& pos /*= wxDefaultPosition*/,
const wxSize& size /*= wxDefaultSize*/)
: wxWindow(parent, -1, pos, size)
{
// public data members
// mute & solo button images
// Create once and store on MixerBoard for use in all MixerTrackClusters.
mImageMuteUp = NULL;
mImageMuteOver = NULL;
mImageMuteDown = NULL;
mImageMuteDownWhileSolo = NULL;
mImageMuteDisabled = NULL;
mImageSoloUp = NULL;
mImageSoloOver = NULL;
mImageSoloDown = NULL;
mImageSoloDisabled = NULL;
mMuteSoloWidth = kRightSideStackWidth - kInset; // correct for max width, but really set in MixerBoard::CreateMuteSoloImages
// private data members
this->LoadMusicalInstruments(); // Set up mMusicalInstruments.
mProject = pProject;
wxASSERT(pProject); // to justify safenew
mScrolledWindow =
safenew MixerBoardScrolledWindow(
pProject, // AudacityProject* project,
this, -1, // wxWindow* parent, wxWindowID id = -1,
this->GetClientAreaOrigin(), // const wxPoint& pos = wxDefaultPosition,
size, // const wxSize& size = wxDefaultSize,
wxHSCROLL); // long style = wxHSCROLL | wxVSCROLL, const wxString& name = "scrolledWindow")
// Set background color to same as TrackPanel background.
#ifdef EXPERIMENTAL_THEMING
mScrolledWindow->SetBackgroundColour(this->GetParent()->GetBackgroundColour());
#else
mScrolledWindow->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW));
#endif
mScrolledWindow->SetScrollRate(10, 0); // no vertical scroll
mScrolledWindow->SetVirtualSize(size);
/* This doesn't work to make the mScrolledWindow automatically resize, so do it explicitly in OnSize.
auto pBoxSizer = std::make_unique<wxBoxSizer>(wxVERTICAL);
pBoxSizer->Add(mScrolledWindow, 0, wxExpand, 0);
this->SetAutoLayout(true);
this->SetSizer(pBoxSizer);
pBoxSizer->Fit(this);
pBoxSizer->SetSizeHints(this);
*/
mPrevT1 = 0.0;
mTracks = mProject->GetTracks();
// Events from the project don't propagate directly to this other frame, so...
mProject->Connect(EVT_TRACK_PANEL_TIMER,
wxCommandEventHandler(MixerBoard::OnTimer),
NULL,
this);
}
MixerBoard::~MixerBoard()
{
// private data members
mMusicalInstruments.clear();
mProject->Disconnect(EVT_TRACK_PANEL_TIMER,
wxCommandEventHandler(MixerBoard::OnTimer),
NULL,
this);
}
void MixerBoard::UpdatePrefs()
{
for (unsigned int nClusterIndex = 0; nClusterIndex < mMixerTrackClusters.GetCount(); nClusterIndex++)
mMixerTrackClusters[nClusterIndex]->UpdatePrefs();
}
// Reassign mixer input strips (MixerTrackClusters) to Track Clusters
// both have the same order.
// If EXPERIMENTAL_MIDI_OUT, then Note Tracks appear in the
// mixer, and we must be able to convert and reuse a MixerTrackCluster
// from audio to midi or midi to audio. This task is handled by
// UpdateForStateChange().
//
void MixerBoard::UpdateTrackClusters()
{
if (!mImageMuteUp)
this->CreateMuteSoloImages();
const int nClusterHeight = mScrolledWindow->GetClientSize().GetHeight() - kDoubleInset;
const size_t nClusterCount = mMixerTrackClusters.GetCount();
unsigned int nClusterIndex = 0;
TrackListIterator iterTracks(mTracks);
MixerTrackCluster* pMixerTrackCluster = NULL;
Track* pLeftTrack;
Track* pRightTrack;
pLeftTrack = iterTracks.First();
while (pLeftTrack) {
pRightTrack = pLeftTrack->GetLinked() ? iterTracks.Next() : NULL;
if (pLeftTrack->GetKind() == Track::Wave
#ifdef EXPERIMENTAL_MIDI_OUT
|| pLeftTrack->GetKind() == Track::Note
#endif
)
{
if (nClusterIndex < nClusterCount)
{
// Already showing it.
// Track clusters are maintained in the same order as the WaveTracks.
// Track pointers can change for the "same" track for different states
// on the undo stack, so update the pointers and display name.
#ifdef EXPERIMENTAL_MIDI_OUT
if (pLeftTrack->GetKind() == Track::Note) {
mMixerTrackClusters[nClusterIndex]->mNoteTrack = (NoteTrack*)pLeftTrack;
mMixerTrackClusters[nClusterIndex]->mLeftTrack = NULL;
} else {
mMixerTrackClusters[nClusterIndex]->mNoteTrack = NULL;
mMixerTrackClusters[nClusterIndex]->mLeftTrack = (WaveTrack*)pLeftTrack;
}
#else
mMixerTrackClusters[nClusterIndex]->mLeftTrack = (WaveTrack*)pLeftTrack;
#endif
mMixerTrackClusters[nClusterIndex]->mRightTrack = (WaveTrack*)pRightTrack;
mMixerTrackClusters[nClusterIndex]->UpdateForStateChange();
}
else
{
// Not already showing it. Add a NEW MixerTrackCluster.
wxPoint clusterPos(
(kInset + // extra inset to left for first one, so it's double
(nClusterIndex *
(kInset + kMixerTrackClusterWidth)) + // left margin and width for each to its left
kInset), // plus left margin for NEW cluster
kInset);
wxSize clusterSize(kMixerTrackClusterWidth, nClusterHeight);
pMixerTrackCluster =
safenew MixerTrackCluster(mScrolledWindow, this, mProject,
(WaveTrack*)pLeftTrack, (WaveTrack*)pRightTrack,
clusterPos, clusterSize);
if (pMixerTrackCluster)
mMixerTrackClusters.Add(pMixerTrackCluster);
}
nClusterIndex++;
}
pLeftTrack = iterTracks.Next();
}
if (pMixerTrackCluster)
{
// Added at least one MixerTrackCluster.
this->UpdateWidth();
this->ResizeTrackClusters();
}
else if (nClusterIndex < nClusterCount)
{
// We've got too many clusters.
// This can happen only on things like Undo New Audio Track or Undo Import
// that don't call RemoveTrackCluster explicitly.
// We've already updated the track pointers for the clusters to the left, so just remove all the rest.
// Keep nClusterIndex constant and successively DELETE from left to right.
for (unsigned int nCounter = nClusterIndex; nCounter < nClusterCount; nCounter++)
#ifdef EXPERIMENTAL_MIDI_OUT
this->RemoveTrackCluster(mMixerTrackClusters[nClusterIndex]->mTrack);
#else
this->RemoveTrackCluster(mMixerTrackClusters[nClusterIndex]->mLeftTrack);
#endif
}
}
int MixerBoard::GetTrackClustersWidth()
{
return
kInset + // extra margin at left for first one
(mMixerTrackClusters.GetCount() * // number of tracks times
(kInset + kMixerTrackClusterWidth)) + // left margin and width for each
kDoubleInset; // plus final right margin
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::MoveTrackCluster(const Track* pTrack,
bool bUp) // Up in TrackPanel is left in MixerBoard.
#else
void MixerBoard::MoveTrackCluster(const WaveTrack* pTrack,
bool bUp) // Up in TrackPanel is left in MixerBoard.
#endif
{
MixerTrackCluster* pMixerTrackCluster;
int nIndex = FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster == NULL)
return; // Couldn't find it.
wxPoint pos;
if (bUp)
{ // Move it up (left).
if (nIndex <= 0)
return; // It's already first (0), or not found (-1).
pos = pMixerTrackCluster->GetPosition();
mMixerTrackClusters[nIndex] = mMixerTrackClusters[nIndex - 1];
mMixerTrackClusters[nIndex]->Move(pos);
mMixerTrackClusters[nIndex - 1] = pMixerTrackCluster;
pMixerTrackCluster->Move(pos.x - (kInset + kMixerTrackClusterWidth), pos.y);
}
else
{ // Move it down (right).
if (((unsigned int)nIndex + 1) >= mMixerTrackClusters.GetCount())
return; // It's already last.
pos = pMixerTrackCluster->GetPosition();
mMixerTrackClusters[nIndex] = mMixerTrackClusters[nIndex + 1];
mMixerTrackClusters[nIndex]->Move(pos);
mMixerTrackClusters[nIndex + 1] = pMixerTrackCluster;
pMixerTrackCluster->Move(pos.x + (kInset + kMixerTrackClusterWidth), pos.y);
}
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::RemoveTrackCluster(const Track* pTrack)
#else
void MixerBoard::RemoveTrackCluster(const WaveTrack* pTrack)
#endif
{
// Find and destroy.
MixerTrackCluster* pMixerTrackCluster;
int nIndex = this->FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster == NULL)
return; // Couldn't find it.
mMixerTrackClusters.RemoveAt(nIndex);
pMixerTrackCluster->Destroy(); // DELETE is unsafe on wxWindow.
// Close the gap, if any.
wxPoint pos;
int targetX;
for (unsigned int i = nIndex; i < mMixerTrackClusters.GetCount(); i++)
{
pos = mMixerTrackClusters[i]->GetPosition();
targetX =
kInset + // extra inset to left for first one, so it's double
(i * (kInset + kMixerTrackClusterWidth)) + // left margin and width for each
kInset; // plus left margin for this cluster
if (pos.x != targetX)
mMixerTrackClusters[i]->Move(targetX, pos.y);
}
this->UpdateWidth();
#ifdef EXPERIMENTAL_MIDI_OUT
// Sanity check: if there is still a MixerTrackCluster with pTrack, then
// we deleted the first but should have deleted the last:
FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
assert(pMixerTrackCluster == NULL);
#endif
}
#ifdef EXPERIMENTAL_MIDI_OUT
wxBitmap* MixerBoard::GetMusicalInstrumentBitmap(const wxString & name)
#else
wxBitmap* MixerBoard::GetMusicalInstrumentBitmap(const WaveTrack* pLeftTrack)
#endif
{
if (mMusicalInstruments.empty())
return NULL;
// random choice: return mMusicalInstruments[(int)pLeftTrack % mMusicalInstruments.GetCount()].mBitmap;
#ifdef EXPERIMENTAL_MIDI_OUT
const wxString strTrackName(wxString{ name }.MakeLower());
#else
const wxString strTrackName(pLeftTrack->GetName().MakeLower());
#endif
size_t nBestItemIndex = 0;
unsigned int nBestScore = 0;
unsigned int nInstrIndex = 0;
unsigned int nKeywordIndex;
unsigned int nNumKeywords;
unsigned int nPointsPerMatch;
unsigned int nScore;
for (nInstrIndex = 0; nInstrIndex < mMusicalInstruments.size(); nInstrIndex++)
{
nScore = 0;
nNumKeywords = mMusicalInstruments[nInstrIndex]->mKeywords.GetCount();
if (nNumKeywords > 0)
{
nPointsPerMatch = 10 / nNumKeywords;
for (nKeywordIndex = 0; nKeywordIndex < nNumKeywords; nKeywordIndex++)
if (strTrackName.Contains(mMusicalInstruments[nInstrIndex]->mKeywords[nKeywordIndex]))
{
nScore +=
nPointsPerMatch +
// Longer keywords get more points.
(2 * mMusicalInstruments[nInstrIndex]->mKeywords[nKeywordIndex].Length());
}
}
// Choose later one if just matching nBestScore, for better variety,
// and so default works as last element.
if (nScore >= nBestScore)
{
nBestScore = nScore;
nBestItemIndex = nInstrIndex;
}
}
return mMusicalInstruments[nBestItemIndex]->mBitmap.get();
}
bool MixerBoard::HasSolo()
{
TrackListIterator iterTracks(mTracks);
Track* pTrack;
for (pTrack = iterTracks.First(); pTrack; pTrack = iterTracks.Next())
if (pTrack->GetSolo())
return true;
return false;
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::RefreshTrackCluster(const Track* pTrack, bool bEraseBackground /*= true*/)
#else
void MixerBoard::RefreshTrackCluster(const WaveTrack* pTrack, bool bEraseBackground )
#endif
{
MixerTrackCluster* pMixerTrackCluster;
this->FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster)
pMixerTrackCluster->Refresh(bEraseBackground);
}
void MixerBoard::RefreshTrackClusters(bool bEraseBackground /*= true*/)
{
for (unsigned int i = 0; i < mMixerTrackClusters.GetCount(); i++)
mMixerTrackClusters[i]->Refresh(bEraseBackground);
}
void MixerBoard::ResizeTrackClusters()
{
for (unsigned int nClusterIndex = 0; nClusterIndex < mMixerTrackClusters.GetCount(); nClusterIndex++)
mMixerTrackClusters[nClusterIndex]->HandleResize();
}
void MixerBoard::ResetMeters(const bool bResetClipping)
{
mPrevT1 = BAD_STREAM_TIME;
if (!this->IsShown())
return;
for (unsigned int i = 0; i < mMixerTrackClusters.GetCount(); i++)
mMixerTrackClusters[i]->ResetMeter(bResetClipping);
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::UpdateName(const Track* pTrack)
#else
void MixerBoard::UpdateName(const WaveTrack* pTrack)
#endif
{
MixerTrackCluster* pMixerTrackCluster;
this->FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster)
pMixerTrackCluster->UpdateName();
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::UpdateMute(const Track* pTrack /*= NULL*/) // NULL means update for all tracks.
#else
void MixerBoard::UpdateMute(const WaveTrack* pTrack /*= NULL*/) // NULL means update for all tracks.
#endif
{
if (pTrack == NULL)
{
for (unsigned int i = 0; i < mMixerTrackClusters.GetCount(); i++)
mMixerTrackClusters[i]->UpdateMute();
}
else
{
MixerTrackCluster* pMixerTrackCluster;
FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster)
pMixerTrackCluster->UpdateMute();
}
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::UpdateSolo(const Track* pTrack /*= NULL*/) // NULL means update for all tracks.
#else
void MixerBoard::UpdateSolo(const WaveTrack* pTrack /*= NULL*/) // NULL means update for all tracks.
#endif
{
if (pTrack == NULL)
{
for (unsigned int i = 0; i < mMixerTrackClusters.GetCount(); i++)
mMixerTrackClusters[i]->UpdateSolo();
}
else
{
MixerTrackCluster* pMixerTrackCluster;
FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster)
pMixerTrackCluster->UpdateSolo();
}
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::UpdatePan(const Track* pTrack)
#else
void MixerBoard::UpdatePan(const WaveTrack* pTrack)
#endif
{
MixerTrackCluster* pMixerTrackCluster;
FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster)
pMixerTrackCluster->UpdatePan();
}
#ifdef EXPERIMENTAL_MIDI_OUT
void MixerBoard::UpdateGain(const Track* pTrack)
#else
void MixerBoard::UpdateGain(const WaveTrack* pTrack)
#endif
{
MixerTrackCluster* pMixerTrackCluster;
FindMixerTrackCluster(pTrack, &pMixerTrackCluster);
if (pMixerTrackCluster)
pMixerTrackCluster->UpdateGain();
}
void MixerBoard::UpdateMeters(const double t1, const bool bLoopedPlay)
{
if (!this->IsShown() || (t1 == BAD_STREAM_TIME))
return;
if (mPrevT1 == BAD_STREAM_TIME)
{
mPrevT1 = t1;
return;
}
// In loopedPlay mode, at the end of the loop, mPrevT1 is set to
// selection end, so the next t1 will be less, but we do want to
// keep updating the meters.
if (t1 <= mPrevT1)
{
if (bLoopedPlay)
mPrevT1 = t1;
return;
}
for (unsigned int i = 0; i < mMixerTrackClusters.GetCount(); i++)
mMixerTrackClusters[i]->UpdateMeter(mPrevT1, t1);
mPrevT1 = t1;
}
void MixerBoard::UpdateWidth()
{
int newWidth = this->GetTrackClustersWidth();
// Min width is one cluster wide, plus margins.
if (newWidth < MIXER_BOARD_MIN_WIDTH)
newWidth = MIXER_BOARD_MIN_WIDTH;
mScrolledWindow->SetVirtualSize(newWidth, -1);
this->GetParent()->SetSize(newWidth + kDoubleInset, -1);
}
//
// private methods
//
void MixerBoard::CreateMuteSoloImages()
{
// Much of this is taken from TrackLabel::DrawMuteSolo.
wxMemoryDC dc;
wxString str = _("Mute");
int textWidth, textHeight;
int fontSize = 10;
#ifdef __WXMSW__
fontSize = 8;
#endif
wxFont font(fontSize, wxSWISS, wxNORMAL, wxNORMAL);
this->GetTextExtent(str, &textWidth, &textHeight, NULL, NULL, &font);
mMuteSoloWidth = textWidth + kQuadrupleInset;
if (mMuteSoloWidth < kRightSideStackWidth - kInset)
mMuteSoloWidth = kRightSideStackWidth - kInset;
wxBitmap bitmap(mMuteSoloWidth, MUTE_SOLO_HEIGHT);
dc.SelectObject(bitmap);
wxRect bev(0, 0, mMuteSoloWidth - 1, MUTE_SOLO_HEIGHT - 1);
// mute button images
AColor::Mute(&dc, false, false, false);
dc.DrawRectangle(bev);
wxCoord x = bev.x + (bev.width - textWidth) / 2;
wxCoord y = bev.y + (bev.height - textHeight) / 2;
dc.SetFont(font);
dc.DrawText(str, x, y);
AColor::Bevel(dc, true, bev);
mImageMuteUp = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageMuteOver = std::make_unique<wxImage>(bitmap.ConvertToImage()); // Same as up, for now.
AColor::Mute(&dc, true, true, false);
dc.DrawRectangle(bev);
dc.DrawText(str, x, y);
AColor::Bevel(dc, false, bev);
mImageMuteDown = std::make_unique<wxImage>(bitmap.ConvertToImage());
AColor::Mute(&dc, true, true, true);
dc.DrawRectangle(bev);
dc.DrawText(str, x, y);
AColor::Bevel(dc, false, bev);
mImageMuteDownWhileSolo = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageMuteDisabled = std::make_unique<wxImage>(mMuteSoloWidth, MUTE_SOLO_HEIGHT); // Leave empty because unused.
// solo button images
AColor::Solo(&dc, false, false);
dc.DrawRectangle(bev);
str = _("Solo");
dc.GetTextExtent(str, &textWidth, &textHeight);
x = bev.x + (bev.width - textWidth) / 2;
y = bev.y + (bev.height - textHeight) / 2;
dc.DrawText(str, x, y);
AColor::Bevel(dc, true, bev);
mImageSoloUp = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageSoloOver = std::make_unique<wxImage>(bitmap.ConvertToImage()); // Same as up, for now.
AColor::Solo(&dc, true, true);
dc.DrawRectangle(bev);
dc.DrawText(str, x, y);
AColor::Bevel(dc, false, bev);
mImageSoloDown = std::make_unique<wxImage>(bitmap.ConvertToImage());
mImageSoloDisabled = std::make_unique<wxImage>(mMuteSoloWidth, MUTE_SOLO_HEIGHT); // Leave empty because unused.
}
#ifdef EXPERIMENTAL_MIDI_OUT
int MixerBoard::FindMixerTrackCluster(const Track* pTrack,
MixerTrackCluster** hMixerTrackCluster) const
#else
int MixerBoard::FindMixerTrackCluster(const WaveTrack* pLeftTrack,
MixerTrackCluster** hMixerTrackCluster) const
#endif
{
*hMixerTrackCluster = NULL;
for (unsigned int i = 0; i < mMixerTrackClusters.GetCount(); i++)
{
#ifdef EXPERIMENTAL_MIDI_OUT
if (mMixerTrackClusters[i]->mTrack == pTrack)
#else
if (mMixerTrackClusters[i]->mLeftTrack == pLeftTrack)
#endif
{
*hMixerTrackCluster = mMixerTrackClusters[i];
return i;
}
}
return -1;
}
void MixerBoard::LoadMusicalInstruments()
{
const struct Data { const char **bitmap; wxString name; } table[] = {
{acoustic_guitar_gtr_xpm, wxT("acoustic_guitar_gtr")},
{acoustic_piano_pno_xpm, wxT("acoustic_piano_pno")},
{back_vocal_bg_vox_xpm, wxT("back_vocal_bg_vox")},
{clap_xpm, wxT("clap")},
{drums_dr_xpm, wxT("drums_dr")},
{electric_bass_guitar_bs_gtr_xpm, wxT("electric_bass_guitar_bs_gtr")},
{electric_guitar_gtr_xpm, wxT("electric_guitar_gtr")},
{electric_piano_pno_key_xpm, wxT("electric_piano_pno_key")},
{kick_xpm, wxT("kick")},
{loop_xpm, wxT("loop")},
{organ_org_xpm, wxT("organ_org")},
{perc_xpm, wxT("perc")},
{sax_xpm, wxT("sax")},
{snare_xpm, wxT("snare")},
{string_violin_cello_xpm, wxT("string_violin_cello")},
{synth_xpm, wxT("synth")},
{tambo_xpm, wxT("tambo")},
{trumpet_horn_xpm, wxT("trumpet_horn")},
{turntable_xpm, wxT("turntable")},
{vibraphone_vibes_xpm, wxT("vibraphone_vibes")},
{vocal_vox_xpm, wxT("vocal_vox")},
// This one must be last, so it wins when best score is 0.
{_default_instrument_xpm, wxEmptyString},
};
wxRect bev(1, 1, MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH - 2, MUSICAL_INSTRUMENT_HEIGHT_AND_WIDTH - 2);
wxMemoryDC dc;
for (const auto &data : table) {
auto bmp = std::make_unique<wxBitmap>(data.bitmap);
dc.SelectObject(*bmp);
AColor::Bevel(dc, false, bev);
mMusicalInstruments.push_back(make_movable<MusicalInstrument>(
std::move(bmp), data.name
));
};
}
// event handlers
void MixerBoard::OnSize(wxSizeEvent &evt)
{
// this->FitInside() doesn't work, and it doesn't happen automatically. Is wxScrolledWindow wrong?
mScrolledWindow->SetSize(evt.GetSize());
this->ResizeTrackClusters();
this->RefreshTrackClusters(true);
}
void MixerBoard::OnTimer(wxCommandEvent &event)
{
// PRL 12 Jul 2015: Moved the below (with comments) out of TrackPanel::OnTimer.
// Vaughan, 2011-01-28: No longer doing this on timer.
// Now it's in AudioIO::SetMeters() and AudioIO::StopStream(), as with Meter Toolbar meters.
//if (pMixerBoard)
// pMixerBoard->ResetMeters(false);
//v Vaughan, 2011-02-25: Moved this update back here from audacityAudioCallback.
// See note there.
// Vaughan, 2010-01-30:
// Since all we're doing here is updating the meters, I moved it to
// audacityAudioCallback where it calls gAudioIO->mOutputMeter->UpdateDisplay().
if (mProject->IsAudioActive())
{
UpdateMeters(gAudioIO->GetStreamTime(),
(mProject->mLastPlayMode == PlayMode::loopedPlay));
}
// Let other listeners get the notification
event.Skip();
}
// class MixerBoardFrame
BEGIN_EVENT_TABLE(MixerBoardFrame, wxFrame)
EVT_KEY_DOWN(MixerBoardFrame::OnKeyEvent)
EVT_CLOSE(MixerBoardFrame::OnCloseWindow)
EVT_MAXIMIZE(MixerBoardFrame::OnMaximize)
EVT_SIZE(MixerBoardFrame::OnSize)
END_EVENT_TABLE()
// Default to fitting one track.
const wxSize kDefaultSize =
wxSize(MIXER_BOARD_MIN_WIDTH, MIXER_BOARD_MIN_HEIGHT);
MixerBoardFrame::MixerBoardFrame(AudacityProject* parent)
: wxFrame(parent, -1,
wxString::Format(_("Audacity Mixer Board%s"),
((parent->GetName() == wxEmptyString) ?
wxT("") :
wxString::Format(wxT(" - %s"),
parent->GetName()))),
wxDefaultPosition, kDefaultSize,
//vvv Bug in wxFRAME_FLOAT_ON_PARENT:
// If both the project frame and MixerBoardFrame are minimized and you restore MixerBoardFrame,
// you can't restore project frame until you close MixerBoardFrame, but then project frame and
// MixerBoardFrame are restored but MixerBoardFrame is unresponsive because it thinks it's not shown.
// wxDEFAULT_FRAME_STYLE | wxFRAME_FLOAT_ON_PARENT)
wxDEFAULT_FRAME_STYLE)
{
mMixerBoard = safenew MixerBoard(parent, this, wxDefaultPosition, kDefaultSize);
this->SetSizeHints(MIXER_BOARD_MIN_WIDTH, MIXER_BOARD_MIN_HEIGHT);
mMixerBoard->UpdateTrackClusters();
// loads either the XPM or the windows resource, depending on the platform
#if !defined(__WXMAC__) && !defined(__WXX11__)
{
#ifdef __WXMSW__
wxIcon ic{ wxICON(AudacityLogo) };
#else
wxIcon ic{wxICON(AudacityLogo48x48)};
#endif
SetIcon(ic);
}
#endif
}
MixerBoardFrame::~MixerBoardFrame()
{
}
// event handlers
void MixerBoardFrame::OnCloseWindow(wxCloseEvent &WXUNUSED(event))
{
this->Hide();
}
void MixerBoardFrame::OnMaximize(wxMaximizeEvent &event)
{
// Update the size hints to show all tracks before skipping to let default handling happen.
mMixerBoard->UpdateWidth();
event.Skip();
}
void MixerBoardFrame::OnSize(wxSizeEvent & WXUNUSED(event))
{
mMixerBoard->SetSize(this->GetClientSize());
}
void MixerBoardFrame::OnKeyEvent(wxKeyEvent & event)
{
AudacityProject *project = GetActiveProject();
project->GetCommandManager()->FilterKeyEvent(project, event, true);
}
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