- port to minGw
git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@235 b431acfa-c32f-4a4a-93f1-934dc6c82436
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found 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.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_MIDIOUTPUT_H_INCLUDED
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#define JUCE_MIDIOUTPUT_H_INCLUDED
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//==============================================================================
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/**
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Controls a physical MIDI output device.
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To create one of these, use the static getDevices() method to get a list of the
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available output devices, then use the openDevice() method to try to open one.
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@see MidiInput
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*/
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class JUCE_API MidiOutput : private Thread
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{
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public:
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//==============================================================================
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/** Returns a list of the available midi output devices.
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You can open one of the devices by passing its index into the
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openDevice() method.
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@see getDefaultDeviceIndex, openDevice
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*/
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static StringArray getDevices();
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/** Returns the index of the default midi output device to use.
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This refers to the index in the list returned by getDevices().
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*/
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static int getDefaultDeviceIndex();
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/** Tries to open one of the midi output devices.
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This will return a MidiOutput object if it manages to open it. You can then
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send messages to this device, and delete it when no longer needed.
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If the device can't be opened, this will return a null pointer.
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@param deviceIndex the index of a device from the list returned by getDevices()
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@see getDevices
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*/
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static MidiOutput* openDevice (int deviceIndex);
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#if JUCE_LINUX || JUCE_MAC || JUCE_IOS || DOXYGEN
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/** This will try to create a new midi output device (Not available on Windows).
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This will attempt to create a new midi output device that other apps can connect
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to and use as their midi input.
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Returns nullptr if a device can't be created.
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@param deviceName the name to use for the new device
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*/
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static MidiOutput* createNewDevice (const String& deviceName);
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#endif
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//==============================================================================
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/** Destructor. */
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virtual ~MidiOutput();
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/** Makes this device output a midi message.
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@see MidiMessage
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*/
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virtual void sendMessageNow (const MidiMessage& message);
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//==============================================================================
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/** This lets you supply a block of messages that will be sent out at some point
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in the future.
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The MidiOutput class has an internal thread that can send out timestamped
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messages - this appends a set of messages to its internal buffer, ready for
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sending.
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This will only work if you've already started the thread with startBackgroundThread().
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A time is supplied, at which the block of messages should be sent. This time uses
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the same time base as Time::getMillisecondCounter(), and must be in the future.
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The samplesPerSecondForBuffer parameter indicates the number of samples per second
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used by the MidiBuffer. Each event in a MidiBuffer has a sample position, and the
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samplesPerSecondForBuffer value is needed to convert this sample position to a
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real time.
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*/
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virtual void sendBlockOfMessages (const MidiBuffer& buffer,
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double millisecondCounterToStartAt,
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double samplesPerSecondForBuffer);
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/** Gets rid of any midi messages that had been added by sendBlockOfMessages().
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*/
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virtual void clearAllPendingMessages();
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/** Starts up a background thread so that the device can send blocks of data.
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Call this to get the device ready, before using sendBlockOfMessages().
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*/
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virtual void startBackgroundThread();
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/** Stops the background thread, and clears any pending midi events.
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@see startBackgroundThread
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*/
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virtual void stopBackgroundThread();
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protected:
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//==============================================================================
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void* internal;
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CriticalSection lock;
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struct PendingMessage;
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PendingMessage* firstMessage;
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MidiOutput();
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void run() override;
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private:
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MidiOutput)
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};
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#endif // JUCE_MIDIOUTPUT_H_INCLUDED
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