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105 lines
4.1 KiB
C++
105 lines
4.1 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_AUDIOPROCESSORPLAYER_JUCEHEADER__
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#define __JUCE_AUDIOPROCESSORPLAYER_JUCEHEADER__
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#include "../../juce_audio_processors/processors/juce_AudioProcessor.h"
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//==============================================================================
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/**
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An AudioIODeviceCallback object which streams audio through an AudioProcessor.
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To use one of these, just make it the callback used by your AudioIODevice, and
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give it a processor to use by calling setProcessor().
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It's also a MidiInputCallback, so you can connect it to both an audio and midi
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input to send both streams through the processor.
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@see AudioProcessor, AudioProcessorGraph
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*/
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class JUCE_API AudioProcessorPlayer : public AudioIODeviceCallback,
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public MidiInputCallback
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{
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public:
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//==============================================================================
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AudioProcessorPlayer();
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/** Destructor. */
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virtual ~AudioProcessorPlayer();
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//==============================================================================
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/** Sets the processor that should be played.
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The processor that is passed in will not be deleted or owned by this object.
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To stop anything playing, pass in 0 to this method.
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*/
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void setProcessor (AudioProcessor* processorToPlay);
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/** Returns the current audio processor that is being played.
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*/
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AudioProcessor* getCurrentProcessor() const { return processor; }
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/** Returns a midi message collector that you can pass midi messages to if you
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want them to be injected into the midi stream that is being sent to the
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processor.
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*/
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MidiMessageCollector& getMidiMessageCollector() { return messageCollector; }
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//==============================================================================
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/** @internal */
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void audioDeviceIOCallback (const float** inputChannelData,
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int totalNumInputChannels,
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float** outputChannelData,
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int totalNumOutputChannels,
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int numSamples);
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/** @internal */
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void audioDeviceAboutToStart (AudioIODevice* device);
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/** @internal */
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void audioDeviceStopped();
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/** @internal */
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void handleIncomingMidiMessage (MidiInput* source, const MidiMessage& message);
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private:
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//==============================================================================
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AudioProcessor* processor;
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CriticalSection lock;
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double sampleRate;
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int blockSize;
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bool isPrepared;
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int numInputChans, numOutputChans;
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float* channels [128];
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AudioSampleBuffer tempBuffer;
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MidiBuffer incomingMidi;
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MidiMessageCollector messageCollector;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioProcessorPlayer);
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};
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#endif // __JUCE_AUDIOPROCESSORPLAYER_JUCEHEADER__
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