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JUCE/extras/JuceDemo/Source/demos/AudioDemoTabComponent.cpp
2013-04-16 10:40:46 +01:00

214 lines
7.5 KiB
C++

/*
==============================================================================
This is an automatically generated GUI class created by the Introjucer!
Be careful when adding custom code to these files, as only the code within
the "//[xyz]" and "//[/xyz]" sections will be retained when the file is loaded
and re-saved.
Created with Introjucer version: 3.1.0
------------------------------------------------------------------------------
The Introjucer is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-13 by Raw Material Software Ltd.
==============================================================================
*/
//[Headers] You can add your own extra header files here...
//[/Headers]
#include "AudioDemoTabComponent.h"
#include "AudioDemoSetupPage.h"
#include "AudioDemoPlaybackPage.h"
#include "AudioDemoSynthPage.h"
#include "AudioDemoLatencyPage.h"
#include "AudioDemoRecordPage.h"
//[MiscUserDefs] You can add your own user definitions and misc code here...
LiveAudioInputDisplayComp::LiveAudioInputDisplayComp()
{
nextSample = subSample = 0;
accumulator = 0;
zeromem (samples, sizeof (samples));
setOpaque (true);
startTimer (1000 / 50); // use a timer to keep repainting this component
}
LiveAudioInputDisplayComp::~LiveAudioInputDisplayComp()
{
}
void LiveAudioInputDisplayComp::paint (Graphics& g)
{
g.fillAll (Colours::black);
g.setColour (Colours::green);
const float midY = getHeight() * 0.5f;
int sampleNum = (nextSample + numElementsInArray (samples) - 1);
for (int x = jmin (getWidth(), (int) numElementsInArray (samples)); --x >= 0;)
{
const float sampleSize = midY * samples [sampleNum-- % numElementsInArray (samples)];
g.drawVerticalLine (x, midY - sampleSize, midY + sampleSize);
}
}
void LiveAudioInputDisplayComp::timerCallback()
{
repaint();
}
void LiveAudioInputDisplayComp::audioDeviceAboutToStart (AudioIODevice*)
{
zeromem (samples, sizeof (samples));
}
void LiveAudioInputDisplayComp::audioDeviceStopped()
{
zeromem (samples, sizeof (samples));
}
void LiveAudioInputDisplayComp::audioDeviceIOCallback (const float** inputChannelData, int numInputChannels,
float** outputChannelData, int numOutputChannels, int numSamples)
{
for (int i = 0; i < numSamples; ++i)
{
for (int chan = 0; chan < numInputChannels; ++chan)
{
if (inputChannelData[chan] != 0)
accumulator += fabsf (inputChannelData[chan][i]);
}
const int numSubSamples = 100; // how many input samples go onto one pixel.
const float boost = 10.0f; // how much to boost the levels to make it more visible.
if (subSample == 0)
{
samples[nextSample] = accumulator * boost / numSubSamples;
nextSample = (nextSample + 1) % numElementsInArray (samples);
subSample = numSubSamples;
accumulator = 0;
}
else
{
--subSample;
}
}
// We need to clear the output buffers, in case they're full of junk..
for (int i = 0; i < numOutputChannels; ++i)
if (outputChannelData[i] != 0)
zeromem (outputChannelData[i], sizeof (float) * (size_t) numSamples);
}
//[/MiscUserDefs]
//==============================================================================
AudioDemoTabComponent::AudioDemoTabComponent ()
{
addAndMakeVisible (tabbedComponent = new TabbedComponent (TabbedButtonBar::TabsAtTop));
tabbedComponent->setTabBarDepth (30);
tabbedComponent->addTab ("Audio Device Setup", Colours::lightgrey, new AudioDemoSetupPage (deviceManager), true);
tabbedComponent->addTab ("File Playback", Colours::lightgrey, new AudioDemoPlaybackPage (deviceManager), true);
tabbedComponent->addTab ("Synth Playback", Colours::lightgrey, new AudioDemoSynthPage (deviceManager), true);
tabbedComponent->addTab ("Latency Test", Colours::lightgrey, new AudioDemoLatencyPage (deviceManager), true);
tabbedComponent->addTab ("Recording", Colours::lightgrey, new AudioDemoRecordPage (deviceManager), true);
tabbedComponent->setCurrentTabIndex (0);
//[UserPreSize]
deviceManager.initialise (2, 2, 0, true, String::empty, 0);
//[/UserPreSize]
setSize (600, 400);
//[Constructor] You can add your own custom stuff here..
//[/Constructor]
}
AudioDemoTabComponent::~AudioDemoTabComponent()
{
//[Destructor_pre]. You can add your own custom destruction code here..
//[/Destructor_pre]
tabbedComponent = nullptr;
//[Destructor]. You can add your own custom destruction code here..
//[/Destructor]
}
//==============================================================================
void AudioDemoTabComponent::paint (Graphics& g)
{
//[UserPrePaint] Add your own custom painting code here..
//[/UserPrePaint]
g.fillAll (Colours::white);
//[UserPaint] Add your own custom painting code here..
//[/UserPaint]
}
void AudioDemoTabComponent::resized()
{
tabbedComponent->setBounds (0, 0, getWidth() - 0, getHeight() - 0);
//[UserResized] Add your own custom resize handling here..
//[/UserResized]
}
//[MiscUserCode] You can add your own definitions of your custom methods or any other code here...
//==============================================================================
Component* createAudioDemo()
{
return new AudioDemoTabComponent();
}
//[/MiscUserCode]
//==============================================================================
#if 0
/* -- Introjucer information section --
This is where the Introjucer stores the metadata that describe this GUI layout, so
make changes in here at your peril!
BEGIN_JUCER_METADATA
<JUCER_COMPONENT documentType="Component" className="AudioDemoTabComponent" componentName=""
parentClasses="public Component" constructorParams="" variableInitialisers=""
snapPixels="8" snapActive="1" snapShown="1" overlayOpacity="0.330000013"
fixedSize="0" initialWidth="600" initialHeight="400">
<BACKGROUND backgroundColour="ffffffff"/>
<TABBEDCOMPONENT name="new tabbed component" id="83c980d7793cdced" memberName="tabbedComponent"
virtualName="" explicitFocusOrder="0" pos="0 0 0M 0M" orientation="top"
tabBarDepth="30" initialTab="0">
<TAB name="Audio Device Setup" colour="ffd3d3d3" useJucerComp="1"
contentClassName="" constructorParams="deviceManager" jucerComponentFile="AudioDemoSetupPage.cpp"/>
<TAB name="File Playback" colour="ffd3d3d3" useJucerComp="1" contentClassName=""
constructorParams="deviceManager" jucerComponentFile="AudioDemoPlaybackPage.cpp"/>
<TAB name="Synth Playback" colour="ffd3d3d3" useJucerComp="1" contentClassName=""
constructorParams="deviceManager" jucerComponentFile="AudioDemoSynthPage.cpp"/>
<TAB name="Latency Test" colour="ffd3d3d3" useJucerComp="1" contentClassName=""
constructorParams="deviceManager" jucerComponentFile="AudioDemoLatencyPage.cpp"/>
<TAB name="Recording" colour="ffd3d3d3" useJucerComp="1" contentClassName=""
constructorParams="deviceManager" jucerComponentFile="AudioDemoRecordPage.cpp"/>
</TABBEDCOMPONENT>
</JUCER_COMPONENT>
END_JUCER_METADATA
*/
#endif
//[EndFile] You can add extra defines here...
//[/EndFile]