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n-channel #14

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n-channel #14

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c13cd68
Patch JUCE to choose number of I/Os at runtime
pac-dev Oct 12, 2015
80a53a6
Determine number of channels from plugin name
pac-dev Oct 12, 2015
21a1c72
Replace `stereofx` with generic `multiio`
pac-dev Oct 12, 2015
7c8bc93
Rebuild documentation
pac-dev Oct 12, 2015
b031b6d
Add channel-specific scripts with example
pac-dev Oct 12, 2015
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12 changes: 6 additions & 6 deletions Frameworks/JuceModules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
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Expand Up @@ -251,8 +251,8 @@ class JuceVSTWrapper : public AudioEffectX,
chunkMemoryTime (0),
speakerIn (kSpeakerArrEmpty),
speakerOut (kSpeakerArrEmpty),
numInChans (JucePlugin_MaxNumInputChannels),
numOutChans (JucePlugin_MaxNumOutputChannels),
numInChans (af->getMaxInputs()),
numOutChans (af->getMaxOutputs()),
isProcessing (false),
isBypassed (false),
hasShutdown (false),
Expand Down Expand Up @@ -433,7 +433,7 @@ class JuceVSTWrapper : public AudioEffectX,

bool getInputProperties (VstInt32 index, VstPinProperties* properties) override
{
if (filter == nullptr || index >= JucePlugin_MaxNumInputChannels)
if (filter == nullptr || index >= filter->getMaxInputs())
return false;

setPinProperties (*properties, filter->getInputChannelName ((int) index),
Expand All @@ -443,7 +443,7 @@ class JuceVSTWrapper : public AudioEffectX,

bool getOutputProperties (VstInt32 index, VstPinProperties* properties) override
{
if (filter == nullptr || index >= JucePlugin_MaxNumOutputChannels)
if (filter == nullptr || index >= filter->getMaxOutputs())
return false;

setPinProperties (*properties, filter->getOutputChannelName ((int) index),
Expand Down Expand Up @@ -917,7 +917,7 @@ class JuceVSTWrapper : public AudioEffectX,
return 0;
}
};

/*
bool setSpeakerArrangement (VstSpeakerArrangement* pluginInput,
VstSpeakerArrangement* pluginOutput) override
{
Expand Down Expand Up @@ -955,7 +955,7 @@ class JuceVSTWrapper : public AudioEffectX,
filter->setSpeakerArrangement (String::empty, String::empty);
return false;
}

*/
static const char* getSpeakerArrangementString (VstSpeakerArrangementType type) noexcept
{
switch (type)
Expand Down
28 changes: 28 additions & 0 deletions Frameworks/JuceModules/juce_audio_processors/processors/juce_AudioProcessor.cpp
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Expand Up @@ -40,6 +40,8 @@ AudioProcessor::AudioProcessor()
suspended (false),
nonRealtime (false)
{
maxInputs = JucePlugin_MaxNumInputChannels;
maxOutputs = JucePlugin_MaxNumOutputChannels;
}

AudioProcessor::~AudioProcessor()
Expand Down Expand Up @@ -397,6 +399,32 @@ XmlElement* AudioProcessor::getXmlFromBinary (const void* data, const int sizeIn
return nullptr;
}


void AudioProcessor::initializeMaxChannels(int numIn, int numOut)
{
// todo assert false if this is called after getters?
maxInputs = numIn;
maxOutputs = numOut;
}

int AudioProcessor::getMaxInputs()
{
return maxInputs;
}

int AudioProcessor::getMaxOutputs()
{
return maxOutputs;
}

std::vector<std::pair<int,int>> AudioProcessor::getPreferredChannelConfigs()
{
// only half-implemented and not really settable (todo?)
std::vector<std::pair<int,int>> ret;
ret.push_back(std::pair<int,int>(maxInputs, maxOutputs));
return ret;
}

//==============================================================================
void AudioProcessorListener::audioProcessorParameterChangeGestureBegin (AudioProcessor*, int) {}
void AudioProcessorListener::audioProcessorParameterChangeGestureEnd (AudioProcessor*, int) {}
Expand Down
32 changes: 32 additions & 0 deletions Frameworks/JuceModules/juce_audio_processors/processors/juce_AudioProcessor.h
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Expand Up @@ -712,6 +712,35 @@ class JUCE_API AudioProcessor
*/
static XmlElement* getXmlFromBinary (const void* data, int sizeInBytes);

/** Protoplug extension: initialize max number of channels.

This overrides a number of preprocessor constants, and allows for the number of channels to
be defined at runtime instead of compile time. This is meant to be called in the
constructor of the class inheriting AudioProcessor.
*/
void initializeMaxChannels(int numIn, int numOut);

/** Protoplug extension: get maximum number of input channels.

This replaces the JucePlugin_MaxNumInputChannels constant, allowing it to be defined at
runtime.
*/
int getMaxInputs();

/** Protoplug extension: get maximum number of output channels.

This replaces the JucePlugin_MaxNumOutputChannels constant, allowing it to be defined at
runtime.
*/
int getMaxOutputs();

/** Protoplug extension: get preferred channel configurations.

This replaces the JucePlugin_PreferredChannelConfigurations constant, allowing
it to be defined at runtime.
*/
std::vector<std::pair<int,int>> getPreferredChannelConfigs();

/** @internal */
static void JUCE_CALLTYPE setTypeOfNextNewPlugin (WrapperType);

Expand All @@ -734,6 +763,9 @@ class JUCE_API AudioProcessor
OwnedArray<AudioProcessorParameter> managedParameters;
AudioProcessorParameter* getParamChecked (int) const noexcept;

// protoplug extension
int maxInputs, maxOutputs;

#if JUCE_DEBUG && ! JUCE_DISABLE_AUDIOPROCESSOR_BEGIN_END_GESTURE_CHECKING
BigInteger changingParams;
#endif
Expand Down
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Expand Up @@ -67,12 +67,12 @@ <h2>Classes</h2>
</ul>
<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
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Expand Up @@ -66,12 +66,12 @@ <h2>Classes</h2>
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<li><a href="../modules/plugin.html">plugin</a></li>
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<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
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</ul>
<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
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<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
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</ul>
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<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
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</ul>
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<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
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</ul>
<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
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</ul>
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<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
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</ul>
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<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
<h2>Examples</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
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</ul>
<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
<h2>Examples</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
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</ul>
<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
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<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
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<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
</ul>
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<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
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<h2>Modules</h2>
<ul class="$(kind=='Topics' and '' or 'nowrap'">
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
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<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/script.html">script</a></li>
<li><a href="../modules/plugin.html">plugin</a></li>
<li><a href="../modules/multiIO.html">multiIO</a></li>
<li><a href="../modules/midi.html">midi</a></li>
<li><a href="../modules/gui.html">gui</a></li>
<li><a href="../modules/polyGen.html">polyGen</a></li>
<li><a href="../modules/stereoFx.html">stereoFx</a></li>
<li><a href="../modules/gui.html">gui</a></li>
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