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# This file is used to ignore files which are generated
# ----------------------------------------------------------------------------
*~
*.autosave
*.a
*.core
*.moc
*.o
*.obj
*.orig
*.rej
*.so
*.so.*
*_pch.h.cpp
*_resource.rc
*.qm
.#*
*.*#
core
!core/
tags
.DS_Store
.directory
*.debug
Makefile*
*.prl
*.app
moc_*.cpp
ui_*.h
qrc_*.cpp
Thumbs.db
*.res
*.rc
/.qmake.cache
/.qmake.stash
# qtcreator generated files
*.pro.user*
# xemacs temporary files
*.flc
# Vim temporary files
.*.swp
# Visual Studio generated files
*.ib_pdb_index
*.idb
*.ilk
*.pdb
*.sln
*.suo
*.vcproj
*vcproj.*.*.user
*.ncb
*.sdf
*.opensdf
*.vcxproj
*vcxproj.*
# MinGW generated files
*.Debug
*.Release
# Python byte code
*.pyc
# Binaries
# --------
*.dll
*.exe

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QT += widgets
SOURCES += \
src/main.cpp
include($$PWD/libs/QMidi/QMidi.pri)

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*build-*
*.pro.user*
*.DS_Store

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os:
- linux
- osx
language: cpp
sudo: required
install: . scripts/ci/$TRAVIS_OS_NAME/install.sh
script: . scripts/ci/common/script.sh

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state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

36
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macx{
DEFINES += __MACOSX_CORE__=1
LIBS += -framework CoreMidi
LIBS += -framework CoreAudio
LIBS += -framework CoreFoundation
}
linux{
DEFINES += define __LINUX_ALSA__=1
LIBS += -lasound
}
win32{
DEFINES += __WINDOWS_MM__=1
}
INCLUDEPATH += $$PWD
INCLUDEPATH += $$PWD/libs/rtmidi
HEADERS += \
$$PWD/libs/rtmidi/RtMidi.h \
$$PWD/qmidiin.h \
$$PWD/qmidiout.h \
$$PWD/qmidimessage.h \
$$PWD/qmidimapper.h \
$$PWD/qmidipianoroll.h
SOURCES += \
$$PWD/libs/rtmidi/RtMidi.cpp \
$$PWD/qmidiin.cpp \
$$PWD/qmidiout.cpp \
$$PWD/qmidimessage.cpp \
$$PWD/qmidimapper.cpp \
$$PWD/qmidipianoroll.cpp
DISTFILES += \
$$PWD/README.md
$$PWD/LICENSE

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QMidi
===
Description
---
QMidi is a Qt library which wraps rtMidi library and allows you to communicate with midi devices.
This is a work in progress and not very stable. Some features are still missing.
Build status
---
[![Build Status](https://travis-ci.org/thomasgeissl/QMidi.svg?branch=master)](https://travis-ci.org/thomasgeissl/QMidi)
Dependencies
---
* rtMidi <http://github.com/thestk/rtMidi> (already included)
* Qt > 5.5
Contribution
---
License
---
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

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/config
/configure
/Makefile.in
/aclocal.m4
/autom4te.cache
/configure
/m4

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/**********************************************************************/
/*! \class RtMidi
\brief An abstract base class for realtime MIDI input/output.
This class implements some common functionality for the realtime
MIDI input/output subclasses RtMidiIn and RtMidiOut.
RtMidi WWW site: http://music.mcgill.ca/~gary/rtmidi/
RtMidi: realtime MIDI i/o C++ classes
Copyright (c) 2003-2014 Gary P. Scavone
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
Any person wishing to distribute modifications to the Software is
asked to send the modifications to the original developer so that
they can be incorporated into the canonical version. This is,
however, not a binding provision of this license.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**********************************************************************/
/*!
\file RtMidi.h
*/
#ifndef RTMIDI_H
#define RTMIDI_H
#define RTMIDI_VERSION "2.1.0"
#include <exception>
#include <iostream>
#include <string>
#include <vector>
/************************************************************************/
/*! \class RtMidiError
\brief Exception handling class for RtMidi.
The RtMidiError class is quite simple but it does allow errors to be
"caught" by RtMidiError::Type. See the RtMidi documentation to know
which methods can throw an RtMidiError.
*/
/************************************************************************/
class RtMidiError : public std::exception
{
public:
//! Defined RtMidiError types.
enum Type {
WARNING, /*!< A non-critical error. */
DEBUG_WARNING, /*!< A non-critical error which might be useful for debugging. */
UNSPECIFIED, /*!< The default, unspecified error type. */
NO_DEVICES_FOUND, /*!< No devices found on system. */
INVALID_DEVICE, /*!< An invalid device ID was specified. */
MEMORY_ERROR, /*!< An error occured during memory allocation. */
INVALID_PARAMETER, /*!< An invalid parameter was specified to a function. */
INVALID_USE, /*!< The function was called incorrectly. */
DRIVER_ERROR, /*!< A system driver error occured. */
SYSTEM_ERROR, /*!< A system error occured. */
THREAD_ERROR /*!< A thread error occured. */
};
//! The constructor.
RtMidiError( const std::string& message, Type type = RtMidiError::UNSPECIFIED ) throw() : message_(message), type_(type) {}
//! The destructor.
virtual ~RtMidiError( void ) throw() {}
//! Prints thrown error message to stderr.
virtual void printMessage( void ) const throw() { std::cerr << '\n' << message_ << "\n\n"; }
//! Returns the thrown error message type.
virtual const Type& getType(void) const throw() { return type_; }
//! Returns the thrown error message string.
virtual const std::string& getMessage(void) const throw() { return message_; }
//! Returns the thrown error message as a c-style string.
virtual const char* what( void ) const throw() { return message_.c_str(); }
protected:
std::string message_;
Type type_;
};
//! RtMidi error callback function prototype.
/*!
\param type Type of error.
\param errorText Error description.
Note that class behaviour is undefined after a critical error (not
a warning) is reported.
*/
typedef void (*RtMidiErrorCallback)( RtMidiError::Type type, const std::string &errorText, void *userData );
class MidiApi;
class RtMidi
{
public:
//! MIDI API specifier arguments.
enum Api {
UNSPECIFIED, /*!< Search for a working compiled API. */
MACOSX_CORE, /*!< Macintosh OS-X Core Midi API. */
LINUX_ALSA, /*!< The Advanced Linux Sound Architecture API. */
UNIX_JACK, /*!< The JACK Low-Latency MIDI Server API. */
WINDOWS_MM, /*!< The Microsoft Multimedia MIDI API. */
RTMIDI_DUMMY /*!< A compilable but non-functional API. */
};
//! A static function to determine the current RtMidi version.
static std::string getVersion( void ) throw();
//! A static function to determine the available compiled MIDI APIs.
/*!
The values returned in the std::vector can be compared against
the enumerated list values. Note that there can be more than one
API compiled for certain operating systems.
*/
static void getCompiledApi( std::vector<RtMidi::Api> &apis ) throw();
//! Pure virtual openPort() function.
virtual void openPort( unsigned int portNumber = 0, const std::string portName = std::string( "RtMidi" ) ) = 0;
//! Pure virtual openVirtualPort() function.
virtual void openVirtualPort( const std::string portName = std::string( "RtMidi" ) ) = 0;
//! Pure virtual getPortCount() function.
virtual unsigned int getPortCount() = 0;
//! Pure virtual getPortName() function.
virtual std::string getPortName( unsigned int portNumber = 0 ) = 0;
//! Pure virtual closePort() function.
virtual void closePort( void ) = 0;
//! Returns true if a port is open and false if not.
virtual bool isPortOpen( void ) const = 0;
//! Set an error callback function to be invoked when an error has occured.
/*!
The callback function will be called whenever an error has occured. It is best
to set the error callback function before opening a port.
*/
virtual void setErrorCallback( RtMidiErrorCallback errorCallback = NULL, void *userData = 0 ) = 0;
protected:
RtMidi();
virtual ~RtMidi();
MidiApi *rtapi_;
};
/**********************************************************************/
/*! \class RtMidiIn
\brief A realtime MIDI input class.
This class provides a common, platform-independent API for
realtime MIDI input. It allows access to a single MIDI input
port. Incoming MIDI messages are either saved to a queue for
retrieval using the getMessage() function or immediately passed to
a user-specified callback function. Create multiple instances of
this class to connect to more than one MIDI device at the same
time. With the OS-X, Linux ALSA, and JACK MIDI APIs, it is also
possible to open a virtual input port to which other MIDI software
clients can connect.
by Gary P. Scavone, 2003-2014.
*/
/**********************************************************************/
// **************************************************************** //
//
// RtMidiIn and RtMidiOut class declarations.
//
// RtMidiIn / RtMidiOut are "controllers" used to select an available
// MIDI input or output interface. They present common APIs for the
// user to call but all functionality is implemented by the classes
// MidiInApi, MidiOutApi and their subclasses. RtMidiIn and RtMidiOut
// each create an instance of a MidiInApi or MidiOutApi subclass based
// on the user's API choice. If no choice is made, they attempt to
// make a "logical" API selection.
//
// **************************************************************** //
class RtMidiIn : public RtMidi
{
public:
//! User callback function type definition.
typedef void (*RtMidiCallback)( double timeStamp, std::vector<unsigned char> *message, void *userData);
//! Default constructor that allows an optional api, client name and queue size.
/*!
An exception will be thrown if a MIDI system initialization
error occurs. The queue size defines the maximum number of
messages that can be held in the MIDI queue (when not using a
callback function). If the queue size limit is reached,
incoming messages will be ignored.
If no API argument is specified and multiple API support has been
compiled, the default order of use is ALSA, JACK (Linux) and CORE,
JACK (OS-X).
\param api An optional API id can be specified.
\param clientName An optional client name can be specified. This
will be used to group the ports that are created
by the application.
\param queueSizeLimit An optional size of the MIDI input queue can be specified.
*/
RtMidiIn( RtMidi::Api api=UNSPECIFIED,
const std::string clientName = std::string( "RtMidi Input Client"),
unsigned int queueSizeLimit = 100 );
//! If a MIDI connection is still open, it will be closed by the destructor.
~RtMidiIn ( void ) throw();
//! Returns the MIDI API specifier for the current instance of RtMidiIn.
RtMidi::Api getCurrentApi( void ) throw();
//! Open a MIDI input connection given by enumeration number.
/*!
\param portNumber An optional port number greater than 0 can be specified.
Otherwise, the default or first port found is opened.
\param portName An optional name for the application port that is used to connect to portId can be specified.
*/
void openPort( unsigned int portNumber = 0, const std::string portName = std::string( "RtMidi Input" ) );
//! Create a virtual input port, with optional name, to allow software connections (OS X, JACK and ALSA only).
/*!
This function creates a virtual MIDI input port to which other
software applications can connect. This type of functionality
is currently only supported by the Macintosh OS-X, any JACK,
and Linux ALSA APIs (the function returns an error for the other APIs).
\param portName An optional name for the application port that is
used to connect to portId can be specified.
*/
void openVirtualPort( const std::string portName = std::string( "RtMidi Input" ) );
//! Set a callback function to be invoked for incoming MIDI messages.
/*!
The callback function will be called whenever an incoming MIDI
message is received. While not absolutely necessary, it is best
to set the callback function before opening a MIDI port to avoid
leaving some messages in the queue.
\param callback A callback function must be given.
\param userData Optionally, a pointer to additional data can be
passed to the callback function whenever it is called.
*/
void setCallback( RtMidiCallback callback, void *userData = 0 );
//! Cancel use of the current callback function (if one exists).
/*!
Subsequent incoming MIDI messages will be written to the queue
and can be retrieved with the \e getMessage function.
*/
void cancelCallback();
//! Close an open MIDI connection (if one exists).
void closePort( void );
//! Returns true if a port is open and false if not.
virtual bool isPortOpen() const;
//! Return the number of available MIDI input ports.
/*!
\return This function returns the number of MIDI ports of the selected API.
*/
unsigned int getPortCount();
//! Return a string identifier for the specified MIDI input port number.
/*!
\return The name of the port with the given Id is returned.
\retval An empty string is returned if an invalid port specifier is provided.
*/
std::string getPortName( unsigned int portNumber = 0 );
//! Specify whether certain MIDI message types should be queued or ignored during input.
/*!
By default, MIDI timing and active sensing messages are ignored
during message input because of their relative high data rates.
MIDI sysex messages are ignored by default as well. Variable
values of "true" imply that the respective message type will be
ignored.
*/
void ignoreTypes( bool midiSysex = true, bool midiTime = true, bool midiSense = true );
//! Fill the user-provided vector with the data bytes for the next available MIDI message in the input queue and return the event delta-time in seconds.
/*!
This function returns immediately whether a new message is
available or not. A valid message is indicated by a non-zero
vector size. An exception is thrown if an error occurs during
message retrieval or an input connection was not previously
established.
*/
double getMessage( std::vector<unsigned char> *message );
//! Set an error callback function to be invoked when an error has occured.
/*!
The callback function will be called whenever an error has occured. It is best
to set the error callback function before opening a port.
*/
virtual void setErrorCallback( RtMidiErrorCallback errorCallback = NULL, void *userData = 0 );
protected:
void openMidiApi( RtMidi::Api api, const std::string clientName, unsigned int queueSizeLimit );
};
/**********************************************************************/
/*! \class RtMidiOut
\brief A realtime MIDI output class.
This class provides a common, platform-independent API for MIDI
output. It allows one to probe available MIDI output ports, to
connect to one such port, and to send MIDI bytes immediately over
the connection. Create multiple instances of this class to
connect to more than one MIDI device at the same time. With the
OS-X, Linux ALSA and JACK MIDI APIs, it is also possible to open a
virtual port to which other MIDI software clients can connect.
by Gary P. Scavone, 2003-2014.
*/
/**********************************************************************/
class RtMidiOut : public RtMidi
{
public:
//! Default constructor that allows an optional client name.
/*!
An exception will be thrown if a MIDI system initialization error occurs.
If no API argument is specified and multiple API support has been
compiled, the default order of use is ALSA, JACK (Linux) and CORE,
JACK (OS-X).
*/
RtMidiOut( RtMidi::Api api=UNSPECIFIED,
const std::string clientName = std::string( "RtMidi Output Client") );
//! The destructor closes any open MIDI connections.
~RtMidiOut( void ) throw();
//! Returns the MIDI API specifier for the current instance of RtMidiOut.
RtMidi::Api getCurrentApi( void ) throw();
//! Open a MIDI output connection.
/*!
An optional port number greater than 0 can be specified.
Otherwise, the default or first port found is opened. An
exception is thrown if an error occurs while attempting to make
the port connection.
*/
void openPort( unsigned int portNumber = 0, const std::string portName = std::string( "RtMidi Output" ) );
//! Close an open MIDI connection (if one exists).
void closePort( void );
//! Returns true if a port is open and false if not.
virtual bool isPortOpen() const;
//! Create a virtual output port, with optional name, to allow software connections (OS X, JACK and ALSA only).
/*!
This function creates a virtual MIDI output port to which other
software applications can connect. This type of functionality
is currently only supported by the Macintosh OS-X, Linux ALSA
and JACK APIs (the function does nothing with the other APIs).
An exception is thrown if an error occurs while attempting to
create the virtual port.
*/
void openVirtualPort( const std::string portName = std::string( "RtMidi Output" ) );
//! Return the number of available MIDI output ports.
unsigned int getPortCount( void );
//! Return a string identifier for the specified MIDI port type and number.
/*!
An empty string is returned if an invalid port specifier is provided.
*/
std::string getPortName( unsigned int portNumber = 0 );
//! Immediately send a single message out an open MIDI output port.
/*!
An exception is thrown if an error occurs during output or an
output connection was not previously established.
*/
void sendMessage( std::vector<unsigned char> *message );
//! Set an error callback function to be invoked when an error has occured.
/*!
The callback function will be called whenever an error has occured. It is best
to set the error callback function before opening a port.
*/
virtual void setErrorCallback( RtMidiErrorCallback errorCallback = NULL, void *userData = 0 );
protected:
void openMidiApi( RtMidi::Api api, const std::string clientName );
};
// **************************************************************** //
//
// MidiInApi / MidiOutApi class declarations.
//
// Subclasses of MidiInApi and MidiOutApi contain all API- and
// OS-specific code necessary to fully implement the RtMidi API.
//
// Note that MidiInApi and MidiOutApi are abstract base classes and
// cannot be explicitly instantiated. RtMidiIn and RtMidiOut will
// create instances of a MidiInApi or MidiOutApi subclass.
//
// **************************************************************** //
class MidiApi
{
public:
MidiApi();
virtual ~MidiApi();
virtual RtMidi::Api getCurrentApi( void ) = 0;
virtual void openPort( unsigned int portNumber, const std::string portName ) = 0;
virtual void openVirtualPort( const std::string portName ) = 0;
virtual void closePort( void ) = 0;
virtual unsigned int getPortCount( void ) = 0;
virtual std::string getPortName( unsigned int portNumber ) = 0;
inline bool isPortOpen() const { return connected_; }
void setErrorCallback( RtMidiErrorCallback errorCallback, void *userData );
//! A basic error reporting function for RtMidi classes.
void error( RtMidiError::Type type, std::string errorString );
protected:
virtual void initialize( const std::string& clientName ) = 0;
void *apiData_;
bool connected_;
std::string errorString_;
RtMidiErrorCallback errorCallback_;
bool firstErrorOccurred_;
void *errorCallbackUserData_;
};
class MidiInApi : public MidiApi
{
public:
MidiInApi( unsigned int queueSizeLimit );
virtual ~MidiInApi( void );
void setCallback( RtMidiIn::RtMidiCallback callback, void *userData );
void cancelCallback( void );
virtual void ignoreTypes( bool midiSysex, bool midiTime, bool midiSense );
double getMessage( std::vector<unsigned char> *message );
// A MIDI structure used internally by the class to store incoming
// messages. Each message represents one and only one MIDI message.
struct MidiMessage {
std::vector<unsigned char> bytes;
double timeStamp;
// Default constructor.
MidiMessage()
:bytes(0), timeStamp(0.0) {}
};
struct MidiQueue {
unsigned int front;
unsigned int back;
unsigned int size;
unsigned int ringSize;
MidiMessage *ring;
// Default constructor.
MidiQueue()
:front(0), back(0), size(0), ringSize(0) {}
};
// The RtMidiInData structure is used to pass private class data to
// the MIDI input handling function or thread.
struct RtMidiInData {
MidiQueue queue;
MidiMessage message;
unsigned char ignoreFlags;
bool doInput;
bool firstMessage;
void *apiData;
bool usingCallback;
RtMidiIn::RtMidiCallback userCallback;
void *userData;
bool continueSysex;
// Default constructor.
RtMidiInData()
: ignoreFlags(7), doInput(false), firstMessage(true),
apiData(0), usingCallback(false), userCallback(0), userData(0),
continueSysex(false) {}
};
protected:
RtMidiInData inputData_;
};
class MidiOutApi : public MidiApi
{
public:
MidiOutApi( void );
virtual ~MidiOutApi( void );
virtual void sendMessage( std::vector<unsigned char> *message ) = 0;
};
// **************************************************************** //
//
// Inline RtMidiIn and RtMidiOut definitions.
//
// **************************************************************** //
inline RtMidi::Api RtMidiIn :: getCurrentApi( void ) throw() { return rtapi_->getCurrentApi(); }
inline void RtMidiIn :: openPort( unsigned int portNumber, const std::string portName ) { rtapi_->openPort( portNumber, portName ); }
inline void RtMidiIn :: openVirtualPort( const std::string portName ) { rtapi_->openVirtualPort( portName ); }
inline void RtMidiIn :: closePort( void ) { rtapi_->closePort(); }
inline bool RtMidiIn :: isPortOpen() const { return rtapi_->isPortOpen(); }
inline void RtMidiIn :: setCallback( RtMidiCallback callback, void *userData ) { ((MidiInApi *)rtapi_)->setCallback( callback, userData ); }
inline void RtMidiIn :: cancelCallback( void ) { ((MidiInApi *)rtapi_)->cancelCallback(); }
inline unsigned int RtMidiIn :: getPortCount( void ) { return rtapi_->getPortCount(); }
inline std::string RtMidiIn :: getPortName( unsigned int portNumber ) { return rtapi_->getPortName( portNumber ); }
inline void RtMidiIn :: ignoreTypes( bool midiSysex, bool midiTime, bool midiSense ) { ((MidiInApi *)rtapi_)->ignoreTypes( midiSysex, midiTime, midiSense ); }
inline double RtMidiIn :: getMessage( std::vector<unsigned char> *message ) { return ((MidiInApi *)rtapi_)->getMessage( message ); }
inline void RtMidiIn :: setErrorCallback( RtMidiErrorCallback errorCallback, void *userData ) { rtapi_->setErrorCallback(errorCallback, userData); }
inline RtMidi::Api RtMidiOut :: getCurrentApi( void ) throw() { return rtapi_->getCurrentApi(); }
inline void RtMidiOut :: openPort( unsigned int portNumber, const std::string portName ) { rtapi_->openPort( portNumber, portName ); }
inline void RtMidiOut :: openVirtualPort( const std::string portName ) { rtapi_->openVirtualPort( portName ); }
inline void RtMidiOut :: closePort( void ) { rtapi_->closePort(); }
inline bool RtMidiOut :: isPortOpen() const { return rtapi_->isPortOpen(); }
inline unsigned int RtMidiOut :: getPortCount( void ) { return rtapi_->getPortCount(); }
inline std::string RtMidiOut :: getPortName( unsigned int portNumber ) { return rtapi_->getPortName( portNumber ); }
inline void RtMidiOut :: sendMessage( std::vector<unsigned char> *message ) { ((MidiOutApi *)rtapi_)->sendMessage( message ); }
inline void RtMidiOut :: setErrorCallback( RtMidiErrorCallback errorCallback, void *userData ) { rtapi_->setErrorCallback(errorCallback, userData); }
// **************************************************************** //
//
// MidiInApi and MidiOutApi subclass prototypes.
//
// **************************************************************** //
#if !defined(__LINUX_ALSA__) && !defined(__UNIX_JACK__) && !defined(__MACOSX_CORE__) && !defined(__WINDOWS_MM__)
#define __RTMIDI_DUMMY__
#endif
#if defined(__MACOSX_CORE__)
class MidiInCore: public MidiInApi
{
public:
MidiInCore( const std::string clientName, unsigned int queueSizeLimit );
~MidiInCore( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::MACOSX_CORE; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
protected:
void initialize( const std::string& clientName );
};
class MidiOutCore: public MidiOutApi
{
public:
MidiOutCore( const std::string clientName );
~MidiOutCore( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::MACOSX_CORE; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
void sendMessage( std::vector<unsigned char> *message );
protected:
void initialize( const std::string& clientName );
};
#endif
#if defined(__UNIX_JACK__)
class MidiInJack: public MidiInApi
{
public:
MidiInJack( const std::string clientName, unsigned int queueSizeLimit );
~MidiInJack( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::UNIX_JACK; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
protected:
std::string clientName;
void connect( void );
void initialize( const std::string& clientName );
};
class MidiOutJack: public MidiOutApi
{
public:
MidiOutJack( const std::string clientName );
~MidiOutJack( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::UNIX_JACK; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
void sendMessage( std::vector<unsigned char> *message );
protected:
std::string clientName;
void connect( void );
void initialize( const std::string& clientName );
};
#endif
#if defined(__LINUX_ALSA__)
class MidiInAlsa: public MidiInApi
{
public:
MidiInAlsa( const std::string clientName, unsigned int queueSizeLimit );
~MidiInAlsa( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::LINUX_ALSA; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
protected:
void initialize( const std::string& clientName );
};
class MidiOutAlsa: public MidiOutApi
{
public:
MidiOutAlsa( const std::string clientName );
~MidiOutAlsa( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::LINUX_ALSA; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
void sendMessage( std::vector<unsigned char> *message );
protected:
void initialize( const std::string& clientName );
};
#endif
#if defined(__WINDOWS_MM__)
class MidiInWinMM: public MidiInApi
{
public:
MidiInWinMM( const std::string clientName, unsigned int queueSizeLimit );
~MidiInWinMM( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::WINDOWS_MM; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
protected:
void initialize( const std::string& clientName );
};
class MidiOutWinMM: public MidiOutApi
{
public:
MidiOutWinMM( const std::string clientName );
~MidiOutWinMM( void );
RtMidi::Api getCurrentApi( void ) { return RtMidi::WINDOWS_MM; };
void openPort( unsigned int portNumber, const std::string portName );
void openVirtualPort( const std::string portName );
void closePort( void );
unsigned int getPortCount( void );
std::string getPortName( unsigned int portNumber );
void sendMessage( std::vector<unsigned char> *message );
protected:
void initialize( const std::string& clientName );
};
#endif
#if defined(__RTMIDI_DUMMY__)
class MidiInDummy: public MidiInApi
{
public:
MidiInDummy( const std::string /*clientName*/, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { errorString_ = "MidiInDummy: This class provides no functionality."; error( RtMidiError::WARNING, errorString_ ); }
RtMidi::Api getCurrentApi( void ) { return RtMidi::RTMIDI_DUMMY; }
void openPort( unsigned int /*portNumber*/, const std::string /*portName*/ ) {}
void openVirtualPort( const std::string /*portName*/ ) {}
void closePort( void ) {}
unsigned int getPortCount( void ) { return 0; }
std::string getPortName( unsigned int portNumber ) { return ""; }
protected:
void initialize( const std::string& /*clientName*/ ) {}
};
class MidiOutDummy: public MidiOutApi
{
public:
MidiOutDummy( const std::string /*clientName*/ ) { errorString_ = "MidiOutDummy: This class provides no functionality."; error( RtMidiError::WARNING, errorString_ ); }
RtMidi::Api getCurrentApi( void ) { return RtMidi::RTMIDI_DUMMY; }
void openPort( unsigned int /*portNumber*/, const std::string /*portName*/ ) {}
void openVirtualPort( const std::string /*portName*/ ) {}
void closePort( void ) {}
unsigned int getPortCount( void ) { return 0; }
std::string getPortName( unsigned int /*portNumber*/ ) { return ""; }
void sendMessage( std::vector<unsigned char> * /*message*/ ) {}
protected:
void initialize( const std::string& /*clientName*/ ) {}
};
#endif
#endif

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# Process this file with autoconf to produce a configure script.
AC_INIT(RtMidi, 2.1.0, gary@music.mcgill.ca, rtmidi)
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_SRCDIR(RtMidi.cpp)
AC_CONFIG_FILES([rtmidi-config librtmidi.pc Makefile tests/Makefile])
AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
# Fill GXX with something before test.
AC_SUBST( GXX, ["no"] )
AC_SUBST(noinst_LIBRARIES)
# Checks for programs.
AC_PROG_CXX(g++ CC c++ cxx)
AM_PROG_AR
AC_PATH_PROG(AR, ar, no)
if [[ $AR = "no" ]] ; then
AC_MSG_ERROR("Could not find ar - needed to create a library");
fi
LT_INIT([win32-dll])
AC_CONFIG_MACRO_DIR([m4])
# Checks for header files.
AC_HEADER_STDC
#AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
# Check for debug
AC_MSG_CHECKING(whether to compile debug version)
AC_ARG_ENABLE(debug,
[ --enable-debug = enable various debug output],
[AC_SUBST( cppflag, [-D__RTMIDI_DEBUG__] ) AC_SUBST( cxxflag, [-g] ) AC_SUBST( object_path, [Debug] ) AC_MSG_RESULT(yes)],
[AC_SUBST( cppflag, [] ) AC_SUBST( cxxflag, [-O3] ) AC_SUBST( object_path, [Release] ) AC_MSG_RESULT(no)])
# Set paths if prefix is defined
if test "x$prefix" != "x" && test "x$prefix" != "xNONE"; then
LIBS="$LIBS -L$prefix/lib"
CPPFLAGS="$CPPFLAGS -I$prefix/include"
fi
# For -I and -D flags
CPPFLAGS="$CPPFLAGS $cppflag"
# For debugging and optimization ... overwrite default because it has both -g and -O2
#CXXFLAGS="$CXXFLAGS $cxxflag"
CXXFLAGS="$cxxflag"
# Check compiler and use -Wall if gnu.
if [test $GXX = "yes" ;] then
AC_SUBST( cxxflag, ["-Wall -Wextra"] )
fi
CXXFLAGS="$CXXFLAGS $cxxflag"
# Checks for package options and external software
AC_CANONICAL_HOST
AC_SUBST( sharedlib, ["librtmidi.so"] )
AC_SUBST( sharedname, ["librtmidi.so.\$(RELEASE)"] )
AC_SUBST( libflags, ["-shared -Wl,-soname,\$(SHARED).\$(MAJOR) -o \$(SHARED).\$(RELEASE)"] )
case $host in
*-apple*)
AC_SUBST( sharedlib, ["librtmidi.dylib"] )
AC_SUBST( sharedname, ["librtmidi.\$(RELEASE).dylib"] )
AC_SUBST( libflags, ["-dynamiclib -o librtmidi.\$(RELEASE).dylib"] )
esac
AC_SUBST( api, [""] )
AC_SUBST( req, [""] )
AC_MSG_CHECKING(for MIDI API)
case $host in
*-*-linux*)
AC_ARG_WITH(jack, [ --with-jack = choose JACK server support (mac and linux only)], [
api="$api -D__UNIX_JACK__"
AC_MSG_RESULT(using JACK)
AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR(JACK support requires the jack library!))], )
# Look for ALSA flag
AC_ARG_WITH(alsa, [ --with-alsa = choose native ALSA sequencer API support (linux only)], [
api="$api -D__LINUX_ALSA__"
req="$req alsa"
AC_MSG_RESULT(using ALSA)
AC_CHECK_LIB(asound, snd_seq_open, , AC_MSG_ERROR(ALSA support requires the asound library!))], )
if [test "$api" == "";] then
AC_MSG_RESULT(using ALSA)
AC_SUBST( api, [-D__LINUX_ALSA__] )
req="$req alsa"
AC_CHECK_LIB(asound, snd_seq_open, , AC_MSG_ERROR(ALSA sequencer support requires the asound library!))
fi
# Checks for pthread library.
AC_CHECK_LIB(pthread, pthread_create, , AC_MSG_ERROR(RtMidi requires the pthread library!))
;;
*-apple*)
AC_ARG_WITH(jack, [ --with-jack = choose JACK server support (mac and linux only)], [
api="$api -D__UNIX_JACK__"
AC_MSG_RESULT(using JACK)
AC_CHECK_LIB(jack, jack_client_open, , AC_MSG_ERROR(JACK support requires the jack library!))], )
# Look for Core flag
AC_ARG_WITH(core, [ --with-core = choose CoreMidi API support (mac only)], [
api="$api -D__MACOSX_CORE__"
AC_MSG_RESULT(using CoreMidi)
AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h, [], [AC_MSG_ERROR(CoreMIDI header files not found!)] )
LIBS="$LIBS -framework CoreMIDI -framework CoreFoundation -framework CoreAudio" ], )
# If no api flags specified, use CoreMidi
if [test "$api" == ""; ] then
AC_SUBST( api, [-D__MACOSX_CORE__] )
AC_MSG_RESULT(using CoreMidi)
AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
[],
[AC_MSG_ERROR(CoreMIDI header files not found!)] )
AC_SUBST( LIBS, ["-framework CoreMIDI -framework CoreFoundation -framework CoreAudio"] )
fi
;;
*-mingw32*)
# Look for WinMM flag
AC_ARG_WITH(winmm, [ --with-winmm = choose Windows MultiMedia (MM) API support (windoze only)], [
api="$api -D__WINDOWS_MM__"
AC_MSG_RESULT(using WinMM)
AC_SUBST( LIBS, [-lwinmm] )], )
AC_ARG_WITH(winks, [ --with-winks = choose kernel streaming support (windoze only)], [
api="$api -D__WINDOWS_KS__"
AC_SUBST( LIBS, ["-lsetupapi -lksuser"] )
AC_MSG_RESULT(using kernel streaming) ], )
# I can't get the following check to work so just manually add the library
# or could try the following? AC_LIB_WINMM([midiOutGetNumDevs])
# AC_CHECK_LIB(winmm, midiInGetNumDevs, , AC_MSG_ERROR(Windows MIDI support requires the winmm library!) )],)
# If no api flags specified, use WinMM
if [test "$api" == "";] then
AC_SUBST( api, [-D__WINDOWS_MM__] )
AC_MSG_RESULT(using WinMM)
AC_SUBST( LIBS, [-lwinmm] )
fi
;;
*)
# Default case for unknown realtime systems.
AC_MSG_ERROR(Unknown system type for MIDI support!)
;;
esac
CPPFLAGS="$CPPFLAGS $api"
AC_OUTPUT
chmod oug+x rtmidi-config

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<HR>
<table><tr><td><img src="../images/mcgill.gif" width=165></td>
<td>&copy;2003-2014 Gary P. Scavone, McGill University. All Rights Reserved.<br>
Maintained by Gary P. Scavone, gary at music.mcgill.ca</td></tr>
</table>
</BODY>
</HTML>

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<HTML>
<HEAD>
<TITLE>The RtMidi Tutorial</TITLE>
<LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css">
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<CENTER>
<a class="qindex" href="index.html">Tutorial</a> &nbsp; <a class="qindex" href="annotated.html">Class/Enum List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; </CENTER>
<HR>

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/*! \mainpage The RtMidi Tutorial
<CENTER>\ref intro &nbsp;&nbsp; \ref download &nbsp;&nbsp; \ref start &nbsp;&nbsp; \ref error &nbsp;&nbsp; \ref probing &nbsp;&nbsp; \ref output &nbsp;&nbsp; \ref input &nbsp;&nbsp; \ref virtual &nbsp;&nbsp; \ref compiling &nbsp;&nbsp; \ref debug &nbsp;&nbsp; \ref multi &nbsp;&nbsp; \ref apinotes &nbsp;&nbsp; \ref acknowledge &nbsp;&nbsp; \ref license</CENTER>
\section intro Introduction
RtMidi is a set of C++ classes (RtMidiIn, RtMidiOut and API-specific classes) that provides a common API (Application Programming Interface) for realtime MIDI input/output across Linux (ALSA & JACK), Macintosh OS X (CoreMIDI & JACK), and Windows (Multimedia Library) operating systems. RtMidi significantly simplifies the process of interacting with computer MIDI hardware and software. It was designed with the following goals:
<UL>
<LI>object oriented C++ design</LI>
<LI>simple, common API across all supported platforms</LI>
<LI>only one header and one source file for easy inclusion in programming projects</LI>
<LI>MIDI device enumeration</LI>
</UL>
Where applicable, multiple API support can be compiled and a particular API specified when creating an RtAudio instance.
MIDI input and output functionality are separated into two classes, RtMidiIn and RtMidiOut. Each class instance supports only a single MIDI connection. RtMidi does not provide timing functionality (i.e., output messages are sent immediately). Input messages are timestamped with delta times in seconds (via a \c double floating point type). MIDI data is passed to the user as raw bytes using an std::vector<unsigned char>.
\section whatsnew What's New (Version 2.1)
A minor API change was made. The RtError class was renamed RtMidiError and embedded directly in RtMidi.h. Thus, all references to RtError should be renamed to RtMidiError and the RtError.h file should be deleted. The Windows Kernel Streaming support was removed because it was uncompilable and incomplete.
\section download Download
Latest Release (30 March 2014): <A href="http://www.music.mcgill.ca/~gary/rtmidi/release/rtmidi-2.1.0.tar.gz">Version 2.1.0</A>
\section start Getting Started
The first thing that must be done when using RtMidi is to create an instance of the RtMidiIn or RtMidiOut subclasses. RtMidi is an abstract base class, which itself cannot be instantiated. Each default constructor attempts to establish any necessary "connections" with the underlying MIDI system. RtMidi uses C++ exceptions to report errors, necessitating try/catch blocks around many member functions. An RtMidiError can be thrown during instantiation in some circumstances. A warning message may also be reported if no MIDI devices are found during instantiation. The RtMidi classes have been designed to work with "hot pluggable" or virtual (software) MIDI devices, making it possible to connect to MIDI devices that may not have been present when the classes were instantiated. The following code example demonstrates default object construction and destruction:
\code
#include "RtMidi.h"
int main()
{
RtMidiIn *midiin = 0;
// RtMidiIn constructor
try {
midiin = new RtMidiIn();
}
catch (RtMidiError &error) {
// Handle the exception here
error.printMessage();
}
// Clean up
delete midiin;
}
\endcode
Obviously, this example doesn't demonstrate any of the real functionality of RtMidi. However, all uses of RtMidi must begin with construction and must end with class destruction. Further, it is necessary that all class methods that can throw a C++ exception be called within a try/catch block.
\section error Error Handling
RtMidi uses a C++ exception handler called RtMidiError, which is
declared and defined in RtMidi.h. The RtMidiError class is quite
simple but it does allow errors to be "caught" by RtMidiError::Type.
Many RtMidi methods can "throw" an RtMidiError, most typically if a
driver error occurs or an invalid function argument is specified.
There are a number of cases within RtMidi where warning messages may
be displayed but an exception is not thrown. A client error callback
function can be specified (via the RtMidi::setErrorCallback function)
that is invoked when an error occurs. By default, error messages are
not automatically displayed in RtMidi unless the preprocessor
definition __RTMIDI_DEBUG__ is defined during compilation. Messages
associated with caught exceptions can be displayed with, for example,
the RtMidiError::printMessage() function.
\section probing Probing Ports
A client generally must query the available MIDI ports before deciding which to use. The following example outlines how this can be done.
\code
// midiprobe.cpp
#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
int main()
{
RtMidiIn *midiin = 0;
RtMidiOut *midiout = 0;
// RtMidiIn constructor
try {
midiin = new RtMidiIn();
}
catch ( RtMidiError &error ) {
error.printMessage();
exit( EXIT_FAILURE );
}
// Check inputs.
unsigned int nPorts = midiin->getPortCount();
std::cout << "\nThere are " << nPorts << " MIDI input sources available.\n";
std::string portName;
for ( unsigned int i=0; i<nPorts; i++ ) {
try {
portName = midiin->getPortName(i);
}
catch ( RtMidiError &error ) {
error.printMessage();
goto cleanup;
}
std::cout << " Input Port #" << i+1 << ": " << portName << '\n';
}
// RtMidiOut constructor
try {
midiout = new RtMidiOut();
}
catch ( RtMidiError &error ) {
error.printMessage();
exit( EXIT_FAILURE );
}
// Check outputs.
nPorts = midiout->getPortCount();
std::cout << "\nThere are " << nPorts << " MIDI output ports available.\n";
for ( unsigned int i=0; i<nPorts; i++ ) {
try {
portName = midiout->getPortName(i);
}
catch (RtMidiError &error) {
error.printMessage();
goto cleanup;
}
std::cout << " Output Port #" << i+1 << ": " << portName << '\n';
}
std::cout << '\n';
// Clean up
cleanup:
delete midiin;
delete midiout;
return 0;
}
\endcode
\section output MIDI Output
The RtMidiOut class provides simple functionality to immediately send messages over a MIDI connection. No timing functionality is provided.
In the following example, we omit necessary error checking and details regarding OS-dependent sleep functions. For a complete example, see the \c midiout.cpp program in the \c tests directory.
\code
// midiout.cpp
#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
int main()
{
RtMidiOut *midiout = new RtMidiOut();
std::vector<unsigned char> message;
// Check available ports.
unsigned int nPorts = midiout->getPortCount();
if ( nPorts == 0 ) {
std::cout << "No ports available!\n";
goto cleanup;
}
// Open first available port.
midiout->openPort( 0 );
// Send out a series of MIDI messages.
// Program change: 192, 5
message.push_back( 192 );
message.push_back( 5 );
midiout->sendMessage( &message );
// Control Change: 176, 7, 100 (volume)
message[0] = 176;
message[1] = 7;
message.push_back( 100 );
midiout->sendMessage( &message );
// Note On: 144, 64, 90
message[0] = 144;
message[1] = 64;
message[2] = 90;
midiout->sendMessage( &message );
SLEEP( 500 ); // Platform-dependent ... see example in tests directory.
// Note Off: 128, 64, 40
message[0] = 128;
message[1] = 64;
message[2] = 40;
midiout->sendMessage( &message );
// Clean up
cleanup:
delete midiout;
return 0;
}
\endcode
\section input MIDI Input
The RtMidiIn class uses an internal callback function or thread to receive incoming MIDI messages from a port or device. These messages are then either queued and read by the user via calls to the RtMidiIn::getMessage() function or immediately passed to a user-specified callback function (which must be "registered" using the RtMidiIn::setCallback() function). We'll provide examples of both usages.
The RtMidiIn class provides the RtMidiIn::ignoreTypes() function to specify that certain MIDI message types be ignored. By default, system exclusive, timing, and active sensing messages are ignored.
\subsection qmidiin Queued MIDI Input
The RtMidiIn::getMessage() function does not block. If a MIDI message is available in the queue, it is copied to the user-provided \c std::vector<unsigned char> container. When no MIDI message is available, the function returns an empty container. The default maximum MIDI queue size is 1024 messages. This value may be modified with the RtMidiIn::setQueueSizeLimit() function. If the maximum queue size limit is reached, subsequent incoming MIDI messages are discarded until the queue size is reduced.
In the following example, we omit some necessary error checking and details regarding OS-dependent sleep functions. For a more complete example, see the \c qmidiin.cpp program in the \c tests directory.
\code
// qmidiin.cpp
#include <iostream>
#include <cstdlib>
#include <signal.h>
#include "RtMidi.h"
bool done;
static void finish(int ignore){ done = true; }
int main()
{
RtMidiIn *midiin = new RtMidiIn();
std::vector<unsigned char> message;
int nBytes, i;
double stamp;
// Check available ports.
unsigned int nPorts = midiin->getPortCount();
if ( nPorts == 0 ) {
std::cout << "No ports available!\n";
goto cleanup;
}
midiin->openPort( 0 );
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
// Install an interrupt handler function.
done = false;
(void) signal(SIGINT, finish);
// Periodically check input queue.
std::cout << "Reading MIDI from port ... quit with Ctrl-C.\n";
while ( !done ) {
stamp = midiin->getMessage( &message );
nBytes = message.size();
for ( i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message[i] << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << stamp << std::endl;
// Sleep for 10 milliseconds ... platform-dependent.
SLEEP( 10 );
}
// Clean up
cleanup:
delete midiin;
return 0;
}
\endcode
\subsection cmidiin MIDI Input with User Callback
When set, a user-provided callback function will be invoked after the input of a complete MIDI message. It is possible to provide a pointer to user data that can be accessed in the callback function (not shown here). It is necessary to set the callback function immediately after opening the port to avoid having incoming messages written to the queue (which is not emptied when a callback function is set). If you are worried about this happening, you can check the queue using the RtMidi::getMessage() function to verify it is empty (after the callback function is set).
In the following example, we omit some necessary error checking. For a more complete example, see the \c cmidiin.cpp program in the \c tests directory.
\code
// cmidiin.cpp
#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
void mycallback( double deltatime, std::vector< unsigned char > *message, void *userData )
{
unsigned int nBytes = message->size();
for ( unsigned int i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message->at(i) << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << deltatime << std::endl;
}
int main()
{
RtMidiIn *midiin = new RtMidiIn();
// Check available ports.
unsigned int nPorts = midiin->getPortCount();
if ( nPorts == 0 ) {
std::cout << "No ports available!\n";
goto cleanup;
}
midiin->openPort( 0 );
// Set our callback function. This should be done immediately after
// opening the port to avoid having incoming messages written to the
// queue.
midiin->setCallback( &mycallback );
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
std::cout << "\nReading MIDI input ... press <enter> to quit.\n";
char input;
std::cin.get(input);
// Clean up
cleanup:
delete midiin;
return 0;
}
\endcode
\section virtual Virtual Ports
The Linux ALSA, Macintosh CoreMIDI and JACK APIs allow for the establishment of virtual input and output MIDI ports to which other software clients can connect. RtMidi incorporates this functionality with the RtMidiIn::openVirtualPort() and RtMidiOut::openVirtualPort() functions. Any messages sent with the RtMidiOut::sendMessage() function will also be transmitted through an open virtual output port. If a virtual input port is open and a user callback function is set, the callback function will be invoked when messages arrive via that port. If a callback function is not set, the user must poll the input queue to check whether messages have arrived. No notification is provided for the establishment of a client connection via a virtual port.
\section compiling Compiling
In order to compile RtMidi for a specific OS and API, it is necessary to supply the appropriate preprocessor definition and library within the compiler statement:
<P>
<TABLE BORDER=2 COLS=5 WIDTH="100%">
<TR BGCOLOR="beige">
<TD WIDTH="5%"><B>OS:</B></TD>
<TD WIDTH="5%"><B>MIDI API:</B></TD>
<TD WIDTH="5%"><B>Preprocessor Definition:</B></TD>
<TD WIDTH="5%"><B>Library or Framework:</B></TD>
<TD><B>Example Compiler Statement:</B></TD>
</TR>
<TR>
<TD>Linux</TD>
<TD>ALSA Sequencer</TD>
<TD>__LINUX_ALSA__</TD>
<TD><TT>asound, pthread</TT></TD>
<TD><TT>g++ -Wall -D__LINUX_ALSA__ -o midiprobe midiprobe.cpp RtMidi.cpp -lasound -lpthread</TT></TD>
</TR>
<TR>
<TD>Linux or Mac</TD>
<TD>JACK MIDI</TD>
<TD>__UNIX_JACK__</TD>
<TD><TT>jack</TT></TD>
<TD><TT>g++ -Wall -D__UNIX_JACK__ -o midiprobe midiprobe.cpp RtMidi.cpp -ljack</TT></TD>
</TR>
<TR>
<TD>Macintosh OS X</TD>
<TD>CoreMIDI</TD>
<TD>__MACOSX_CORE__</TD>
<TD><TT>CoreMIDI, CoreAudio, CoreFoundation</TT></TD>
<TD><TT>g++ -Wall -D__MACOSX_CORE__ -o midiprobe midiprobe.cpp RtMidi.cpp -framework CoreMIDI -framework CoreAudio -framework CoreFoundation</TT></TD>
</TR>
<TR>
<TD>Windows</TD>
<TD>Multimedia Library</TD>
<TD>__WINDOWS_MM__</TD>
<TD><TT>winmm.lib, multithreaded</TT></TD>
<TD><I>compiler specific</I></TD>
</TR>
</TABLE>
<P>
The example compiler statements above could be used to compile the <TT>midiprobe.cpp</TT> example file, assuming that <TT>midiprobe.cpp</TT>, <TT>RtMidi.h</TT> and <TT>RtMidi.cpp</TT> all exist in the same directory.
\section debug Debugging
If you are having problems getting RtMidi to run on your system, try passing the preprocessor definition <TT>__RTMIDI_DEBUG__</TT> to the compiler (or define it in RtMidi.h). A variety of warning messages will be displayed that may help in determining the problem. Also try using the programs included in the <tt>tests</tt> directory. The program <tt>midiprobe</tt> displays the queried capabilities of all MIDI ports found.
\section multi Using Simultaneous Multiple APIs
Support for each MIDI API is encapsulated in specific MidiInApi or MidiOutApi subclasses, making it possible to compile and instantiate multiple API-specific subclasses on a given operating system. For example, one can compile both CoreMIDI and JACK support on the OS-X operating system by providing the appropriate preprocessor definitions for each. In a run-time situation, one might first attempt to determine whether any JACK ports are available. This can be done by specifying the api argument RtMidi::UNIX_JACK when attempting to create an instance of RtMidiIn or RtMidiOut. If no available ports are found, then an instance of RtMidi with the api argument RtMidi::MACOSX_CORE can be created. Alternately, if no api argument is specified, RtMidi will first look for JACK ports and if none are found, then CoreMIDI ports (in linux, the search order is JACK and then ALSA. In theory, it should also be possible to have separate instances of RtMidi open at the same time with different underlying API support, though this has not been tested.
The static function RtMidi::getCompiledApi() is provided to determine the available compiled API support. The function RtMidi::getCurrentApi() indicates the API selected for a given RtMidi instance.
\section apinotes API Notes
RtMidi is designed to provide a common API across the various supported operating systems and audio libraries. Despite that, some issues should be mentioned with regard to each.
\subsection linux Linux:
RtMidi for Linux was developed using the Fedora distribution. Two different MIDI APIs are supported on Linux platforms: <A href="http://www.alsa-project.org/">ALSA</A> and <A href="http://jackit.sourceforge.net/">JACK</A>. A decision was made to not include support for the OSS API because the OSS API provides very limited functionality and because <A href="http://www.alsa-project.org/">ALSA</A> support is now incorporated in the Linux kernel. The ALSA sequencer and JACK APIs allows for virtual software input and output ports.
\subsection macosx Macintosh OS X (CoreAudio):
The Apple CoreMIDI API allows for the establishment of virtual input and output ports to which other software applications can connect.
The RtMidi JACK support can be compiled on Macintosh OS-X systems, as well as in Linux.
\subsection windowsds Windows (Multimedia Library):
The \c configure script provides support for the MinGW compiler.
The Windows Multimedia library MIDI calls used in RtMidi do not make use of streaming functionality. Incoming system exclusive messages read by RtMidiIn are limited to a length as defined by the preprocessor definition RT_SYSEX_BUFFER_SIZE (set in RtMidi.cpp). The default value is 1024. There is no such limit for outgoing sysex messages via RtMidiOut.
RtMidi was originally developed with Visual C++ version 6.0 but has been tested with Virtual Studio 2010.
\section acknowledge Development & Acknowledgements
RtMidi is on github (https://github.com/thestk/rtmidi). Many thanks to the developers that are helping to maintain and improve RtMidi.
In years past, the following people provided bug fixes and improvements:
<UL>
<LI>Sebastien Alaiwan (JACK memory leaks, Windows kernel streaming)</LI>
<LI>Jean-Baptiste Berruchon (Windows sysex code)</LI>
<LI>Pedro Lopez-Cabanillas (ALSA sequencer API, client naming)</LI>
<LI>Jason Champion (MSW project file for library build)</LI>
<LI>Eduardo Coutinho (Windows device names)</LI>
<LI>Paul Dean (increment optimization)</LI>
<LI>Luc Deschenaux (sysex issues)</LI>
<LI>John Dey (OS-X timestamps)</LI>
<LI>Christoph Eckert (ALSA sysex fixes)</LI>
<LI>Martin Koegler (various fixes)</LI>
<LI>Immanuel Litzroth (OS-X sysex fix)</LI>
<LI>Jon McCormack (Snow Leopard updates)</LI>
<LI>Axel Schmidt (client naming)</LI>
<LI>Alexander Svetalkin (JACK MIDI)</LI>
<LI>Casey Tucker (OS-X driver information, sysex sending)</LI>
<LI>Bastiaan Verreijt (Windows sysex multi-buffer code)</LI>
<LI>Dan Wilcox</LI>
</UL>
\section license License
RtMidi: realtime MIDI i/o C++ classes<BR>
Copyright (c) 2003-2014 Gary P. Scavone
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
Any person wishing to distribute modifications to the Software is
asked to send the modifications to the original developer so that
they can be incorporated into the canonical version. This is,
however, not a binding provision of this license.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

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RtMidi - a set of C++ classes that provides a common API for realtime MIDI input/output across Linux (ALSA & JACK), Macintosh OS X (CoreMidi & JACK), and Windows (Multimedia, Kernel Streaming).
By Gary P. Scavone, 2003-2014
v2.1.0: (30 March 2014)
- renamed RtError class to RtMidiError and embedded it in RtMidi.h (and deleted RtError.h)
- fix to CoreMidi implementation to support dynamic port changes
- removed global ALSA sequencer objects because they were not thread safe (Martin Koegler)
- fix for ALSA timing ignore flag (Devin Anderson)
- fix for ALSA incorrect use of snd_seq_create_port() function (Tobias Schlemmer)
- fix for international character support in CoreMidi (Martin Finke)
- fix for unicode conversion in WinMM (Dan Wilcox)
- added custom error hook that allows the client to capture an RtMidi error outside of the RtMidi code (Pavel Mogilevskiy)
- added RtMidi::isPortOpen function (Pavel Mogilevskiy)
- updated OS-X sysex sending mechanism to use normal message sending, which fixes a problem where virtual ports didn't receive sysex messages
- Windows update to avoid lockups when shutting down while sending/receiving sysex messages (ptarabbia)
- OS-X fix to avoid empty messages in callbacks when ignoring sysex messages and split sysexes are received (codepainters)
- ALSA openPort fix to better distinguish sender and receiver (Russell Smyth)
- Windows Kernel Streaming support removed because it was uncompilable and incomplete
v2.0.1: (26 July 2012)
- small fixes for problems reported by Chris Arndt (scoping, preprocessor, and include)
v2.0.0: (18 June 2012)
- revised structure to support multiple simultaneous compiled APIs
- revised ALSA client hierarchy so subsequent instances share same client (thanks to Dan Wilcox)
- added beta Windows kernel streaming support (thanks to Sebastien Alaiwan)
- updates to compile as a shared library or dll
- updated license
- various memory-leak fixes (thanks to Sebastien Alaiwan and Martin Koegler)
- fix for continue sysex problem (thanks to Luc Deschenaux)
- removed SGI (IRIX) support
v1.0.15: (11 August 2011)
- updates for wide character support in Windows
- stopped using std::queue and implemented internal MIDI ring buffer (for thread safety ... thanks to Michael Behrman)
- removal of the setQueueSizeLimit() function ... queue size limit now an optional arguement to constructor
v1.0.14: (17 April 2011)
- bug fix to Jack MIDI support (thanks to Alexander Svetalkin and Pedro Lopez-Cabanillas)
v1.0.13: (7 April 2011)
- updated RtError.h to the same version as in RtAudio
- new Jack MIDI support in Linux (thanks to Alexander Svetalkin)
v1.0.12: (17 February 2011)
- Windows 64-bit pointer fixes (thanks to Ward Kockelkorn)
- removed possible exceptions from getPortName() functions
- changed sysex sends in OS-X to use MIDISendSysex() function (thanks to Casey Tucker)
- bug fixes to time code parsing in OS-X and ALSA (thanks to Greg)
- added MSW project file to build as library (into lib/ directory ... thanks to Jason Champion)
v1.0.11: (29 January 2010)
- added CoreServices/CoreServices.h include for OS-X 10.6 and gcc4.2 compile (thanks to Jon McCormack)
- various increment optimizations (thanks to Paul Dean)
- fixed incorrectly located snd_seq_close() function in ALSA API (thanks to Pedro Lopez-Cabanillas)
- updates to Windows sysex code to better deal with possible delivery problems (thanks to Bastiaan Verreijt)
v1.0.10: (3 June 2009)
- fix adding timestamp to OS-X sendMessage() function (thanks to John Dey)
v1.0.9: (30 April 2009)
- added #ifdef AVOID_TIMESTAMPING to conditionally compile support for event timestamping of ALSA sequencer events. This is useful for programs not needing timestamps, saving valuable system resources.
- updated functionality in OSX_CORE for getting driver name (thanks to Casey Tucker)
v1.0.8: (29 January 2009)
- bug fixes for concatenating segmented sysex messages in ALSA (thanks to Christoph Eckert)
- update to ALSA sequencer port enumeration (thanks to Pedro Lopez-Cabonillas)
- bug fixes for concatenating segmented sysex messages in OS-X (thanks to Emmanuel Litzroth)
- added functionality for naming clients (thanks to Pedro Lopez-Cabonillas and Axel Schmidt)
- bug fix in Windows when receiving sysex messages if the ignore flag was set (thanks to Pedro Lopez-Cabonillas)
v1.0.7: (7 December 2007)
- configure and Makefile changes for MinGW
- renamed midiinfo.cpp to midiprobe.cpp and updated VC++ project/workspace
v1.0.6: (9 March 2006)
- bug fix for timestamp problem in ALSA (thanks to Pedro Lopez-Cabanillas)
v1.0.5: (18 November 2005)
- added optional port name to openVirtualPort() functions
- fixed UNICODE problem in Windows getting device names (thanks Eduardo Coutinho!).
- fixed bug in Windows with respect to getting Sysex data (thanks Jean-Baptiste Berruchon!)
v1.0.4: (14 October 2005)
- added check for status byte == 0xF8 if ignoring timing messages
- changed pthread attribute to SCHED_OTHER (from SCHED_RR) to avoid thread problem when realtime cababilities are not enabled.
- now using ALSA sequencer time stamp information (thanks to Pedro Lopez-Cabanillas)
- fixed memory leak in ALSA implementation
- now concatenate segmented sysex messages in ALSA
v1.0.3: (22 November 2004)
- added common pure virtual functions to RtMidi abstract base class
v1.0.2: (21 September 2004)
- added warning messages to openVirtualPort() functions in Windows and Irix (where it can't be implemented)
v1.0.1: (20 September 2004)
- changed ALSA preprocessor definition to __LINUX_ALSASEQ__
v1.0.0: (17 September 2004)
- first release of new independent class with both input and output functionality

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prefix=@prefix@
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
Name: librtmidi
Description: RtMidi - a set of C++ classes that provide a common API for realtime MIDI input/output
Version: 2.1.0
Requires: @req@
Libs: -L${libdir} -lrtmidi
Libs.private: -lpthread
Cflags: -pthread -I${includedir} @CPPFLAGS@

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This directory contains a Visual Studio 2008 project, contributed by Jason Champion, to build rtmidi as a library. The library builds to the <rtmidi-x.x.x>\lib directory.

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RtMidi - a set of C++ classes that provide a common API for realtime MIDI input/output across Linux (ALSA & JACK), Macintosh OS X (CoreMidi & JACK) and Windows (Multimedia).
By Gary P. Scavone, 2003-2014.
This distribution of RtMidi contains the following:
doc: RtMidi documentation (see doc/html/index.html)
tests: example RtMidi programs
On unix systems, type "./configure" in the top level directory, then "make" in the tests/ directory to compile the test programs. In Windows, open the Visual C++ workspace file located in the tests/ directory.
If you checked out the code from git, please run "autoconf" before "./configure".
OVERVIEW:
RtMidi is a set of C++ classes (RtMidiIn, RtMidiOut, and API specific classes) that provide a common API (Application Programming Interface) for realtime MIDI input/output across Linux (ALSA, JACK), Macintosh OS X (CoreMIDI, JACK), and Windows (Multimedia Library) operating systems. RtMidi significantly simplifies the process of interacting with computer MIDI hardware and software. It was designed with the following goals:
- object oriented C++ design
- simple, common API across all supported platforms
- only one header and one source file for easy inclusion in programming projects
- MIDI device enumeration
MIDI input and output functionality are separated into two classes, RtMidiIn and RtMidiOut. Each class instance supports only a single MIDI connection. RtMidi does not provide timing functionality (i.e., output messages are sent immediately). Input messages are timestamped with delta times in seconds (via a double floating point type). MIDI data is passed to the user as raw bytes using an std::vector<unsigned char>.
FURTHER READING:
For complete documentation on RtMidi, see the doc directory of the distribution or surf to http://music.mcgill.ca/~gary/rtmidi/.
LEGAL AND ETHICAL:
The RtMidi license is similar to the the MIT License, with the added "feature" that modifications be sent to the developer.
RtMidi: realtime MIDI i/o C++ classes
Copyright (c) 2003-2014 Gary P. Scavone
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
Any person wishing to distribute modifications to the Software is
asked to send the modifications to the original developer so that
they can be incorporated into the canonical version. This is,
however, not a binding provision of this license.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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#! /bin/sh
if (test "x$#" != "x1") ; then
echo "Usage: $0 [--libs | --cxxflags | --cppflags]"
exit;
fi
LIBRARY="@LIBS@"
CXXFLAGS="@CXXFLAGS@"
CPPFLAGS="@CPPFLAGS@"
if (test "x$1" = "x--libs") ; then
echo "$LIBRARY -lrtmidi"
elif (test "x$1" = "x--cxxflags") ; then
echo "$CXXFLAGS"
elif (test "x$1" = "x--cppflags") ; then
echo "$CPPFLAGS"
else
echo "Unknown option: $1"
fi

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//*****************************************//
// cmidiin.cpp
// by Gary Scavone, 2003-2004.
//
// Simple program to test MIDI input and
// use of a user callback function.
//
//*****************************************//
#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
void usage( void ) {
// Error function in case of incorrect command-line
// argument specifications.
std::cout << "\nuseage: cmidiin <port>\n";
std::cout << " where port = the device to use (default = 0).\n\n";
exit( 0 );
}
void mycallback( double deltatime, std::vector< unsigned char > *message, void */*userData*/ )
{
unsigned int nBytes = message->size();
for ( unsigned int i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message->at(i) << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << deltatime << std::endl;
}
// This function should be embedded in a try/catch block in case of
// an exception. It offers the user a choice of MIDI ports to open.
// It returns false if there are no ports available.
bool chooseMidiPort( RtMidiIn *rtmidi );
int main( int argc, char ** /*argv[]*/ )
{
RtMidiIn *midiin = 0;
// Minimal command-line check.
if ( argc > 2 ) usage();
try {
// RtMidiIn constructor
midiin = new RtMidiIn();
// Call function to select port.
if ( chooseMidiPort( midiin ) == false ) goto cleanup;
// Set our callback function. This should be done immediately after
// opening the port to avoid having incoming messages written to the
// queue instead of sent to the callback function.
midiin->setCallback( &mycallback );
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
std::cout << "\nReading MIDI input ... press <enter> to quit.\n";
char input;
std::cin.get(input);
} catch ( RtMidiError &error ) {
error.printMessage();
}
cleanup:
delete midiin;
return 0;
}
bool chooseMidiPort( RtMidiIn *rtmidi )
{
std::cout << "\nWould you like to open a virtual input port? [y/N] ";
std::string keyHit;
std::getline( std::cin, keyHit );
if ( keyHit == "y" ) {
rtmidi->openVirtualPort();
return true;
}
std::string portName;
unsigned int i = 0, nPorts = rtmidi->getPortCount();
if ( nPorts == 0 ) {
std::cout << "No input ports available!" << std::endl;
return false;
}
if ( nPorts == 1 ) {
std::cout << "\nOpening " << rtmidi->getPortName() << std::endl;
}
else {
for ( i=0; i<nPorts; i++ ) {
portName = rtmidi->getPortName(i);
std::cout << " Input port #" << i << ": " << portName << '\n';
}
do {
std::cout << "\nChoose a port number: ";
std::cin >> i;
} while ( i >= nPorts );
std::getline( std::cin, keyHit ); // used to clear out stdin
}
rtmidi->openPort( i );
return true;
}

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!MESSAGE This is not a valid makefile. To build this project using NMAKE,
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!MESSAGE
!MESSAGE NMAKE /f "cmidiin.mak".
!MESSAGE
!MESSAGE You can specify a configuration when running NMAKE
!MESSAGE by defining the macro CFG on the command line. For example:
!MESSAGE
!MESSAGE NMAKE /f "cmidiin.mak" CFG="cmidiin - Win32 Debug"
!MESSAGE
!MESSAGE Possible choices for configuration are:
!MESSAGE
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!MESSAGE "cmidiin - Win32 Debug" (based on "Win32 (x86) Console Application")
!MESSAGE
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# PROP BASE Output_Dir "cmidiin___Win32_Release"
# PROP BASE Intermediate_Dir "cmidiin___Win32_Release"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 0
# PROP Output_Dir ""
# PROP Intermediate_Dir "Release"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
# ADD CPP /nologo /W3 /GX /O2 /I "../" /D "NDEBUG" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D "__WINDOWS_MM__" /YX /FD /c
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# PROP BASE Output_Dir "cmidiin___Win32_Debug"
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# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 1
# PROP Output_Dir ""
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# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
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# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../" /D "_DEBUG" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D "__WINDOWS_MM__" /YX /FD /GZ /c
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BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
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//*****************************************//
// midiout.cpp
// by Gary Scavone, 2003-2004.
//
// Simple program to test MIDI output.
//
//*****************************************//
#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
// Platform-dependent sleep routines.
#if defined(__WINDOWS_MM__)
#include <windows.h>
#define SLEEP( milliseconds ) Sleep( (DWORD) milliseconds )
#else // Unix variants
#include <unistd.h>
#define SLEEP( milliseconds ) usleep( (unsigned long) (milliseconds * 1000.0) )
#endif
// This function should be embedded in a try/catch block in case of
// an exception. It offers the user a choice of MIDI ports to open.
// It returns false if there are no ports available.
bool chooseMidiPort( RtMidiOut *rtmidi );
int main( void )
{
RtMidiOut *midiout = 0;
std::vector<unsigned char> message;
// RtMidiOut constructor
try {
midiout = new RtMidiOut();
}
catch ( RtMidiError &error ) {
error.printMessage();
exit( EXIT_FAILURE );
}
// Call function to select port.
try {
if ( chooseMidiPort( midiout ) == false ) goto cleanup;
}
catch ( RtMidiError &error ) {
error.printMessage();
goto cleanup;
}
// Send out a series of MIDI messages.
// Program change: 192, 5
message.push_back( 192 );
message.push_back( 5 );
midiout->sendMessage( &message );
SLEEP( 500 );
message[0] = 0xF1;
message[1] = 60;
midiout->sendMessage( &message );
// Control Change: 176, 7, 100 (volume)
message[0] = 176;
message[1] = 7;
message.push_back( 100 );
midiout->sendMessage( &message );
// Note On: 144, 64, 90
message[0] = 144;
message[1] = 64;
message[2] = 90;
midiout->sendMessage( &message );
SLEEP( 500 );
// Note Off: 128, 64, 40
message[0] = 128;
message[1] = 64;
message[2] = 40;
midiout->sendMessage( &message );
SLEEP( 500 );
// Control Change: 176, 7, 40
message[0] = 176;
message[1] = 7;
message[2] = 40;
midiout->sendMessage( &message );
SLEEP( 500 );
// Sysex: 240, 67, 4, 3, 2, 247
message[0] = 240;
message[1] = 67;
message[2] = 4;
message.push_back( 3 );
message.push_back( 2 );
message.push_back( 247 );
midiout->sendMessage( &message );
// Clean up
cleanup:
delete midiout;
return 0;
}
bool chooseMidiPort( RtMidiOut *rtmidi )
{
std::cout << "\nWould you like to open a virtual output port? [y/N] ";
std::string keyHit;
std::getline( std::cin, keyHit );
if ( keyHit == "y" ) {
rtmidi->openVirtualPort();
return true;
}
std::string portName;
unsigned int i = 0, nPorts = rtmidi->getPortCount();
if ( nPorts == 0 ) {
std::cout << "No output ports available!" << std::endl;
return false;
}
if ( nPorts == 1 ) {
std::cout << "\nOpening " << rtmidi->getPortName() << std::endl;
}
else {
for ( i=0; i<nPorts; i++ ) {
portName = rtmidi->getPortName(i);
std::cout << " Output port #" << i << ": " << portName << '\n';
}
do {
std::cout << "\nChoose a port number: ";
std::cin >> i;
} while ( i >= nPorts );
}
std::cout << "\n";
rtmidi->openPort( i );
return true;
}

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libs/QMidi/libs/rtmidi/tests/midiprobe.cpp Normal file
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// midiprobe.cpp
//
// Simple program to check MIDI inputs and outputs.
//
// by Gary Scavone, 2003-2012.
#include <iostream>
#include <cstdlib>
#include <map>
#include "RtMidi.h"
int main()
{
// Create an api map.
std::map<int, std::string> apiMap;
apiMap[RtMidi::MACOSX_CORE] = "OS-X CoreMidi";
apiMap[RtMidi::WINDOWS_MM] = "Windows MultiMedia";
apiMap[RtMidi::UNIX_JACK] = "Jack Client";
apiMap[RtMidi::LINUX_ALSA] = "Linux ALSA";
apiMap[RtMidi::RTMIDI_DUMMY] = "RtMidi Dummy";
std::vector< RtMidi::Api > apis;
RtMidi :: getCompiledApi( apis );
std::cout << "\nCompiled APIs:\n";
for ( unsigned int i=0; i<apis.size(); i++ )
std::cout << " " << apiMap[ apis[i] ] << std::endl;
RtMidiIn *midiin = 0;
RtMidiOut *midiout = 0;
try {
// RtMidiIn constructor ... exception possible
midiin = new RtMidiIn();
std::cout << "\nCurrent input API: " << apiMap[ midiin->getCurrentApi() ] << std::endl;
// Check inputs.
unsigned int nPorts = midiin->getPortCount();
std::cout << "\nThere are " << nPorts << " MIDI input sources available.\n";
for ( unsigned i=0; i<nPorts; i++ ) {
std::string portName = midiin->getPortName(i);
std::cout << " Input Port #" << i+1 << ": " << portName << '\n';
}
// RtMidiOut constructor ... exception possible
midiout = new RtMidiOut();
std::cout << "\nCurrent output API: " << apiMap[ midiout->getCurrentApi() ] << std::endl;
// Check outputs.
nPorts = midiout->getPortCount();
std::cout << "\nThere are " << nPorts << " MIDI output ports available.\n";
for ( unsigned i=0; i<nPorts; i++ ) {
std::string portName = midiout->getPortName(i);
std::cout << " Output Port #" << i+1 << ": " << portName << std::endl;
}
std::cout << std::endl;
} catch ( RtMidiError &error ) {
error.printMessage();
}
delete midiin;
delete midiout;
return 0;
}

110
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98
libs/QMidi/libs/rtmidi/tests/qmidiin.cpp Normal file
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//*****************************************//
// qmidiin.cpp
// by Gary Scavone, 2003-2004.
//
// Simple program to test MIDI input and
// retrieval from the queue.
//
//*****************************************//
#include <iostream>
#include <cstdlib>
#include <signal.h>
#include "RtMidi.h"
// Platform-dependent sleep routines.
#if defined(__WINDOWS_MM__)
#include <windows.h>
#define SLEEP( milliseconds ) Sleep( (DWORD) milliseconds )
#else // Unix variants
#include <unistd.h>
#define SLEEP( milliseconds ) usleep( (unsigned long) (milliseconds * 1000.0) )
#endif
bool done;
static void finish( int /*ignore*/ ){ done = true; }
void usage( void ) {
// Error function in case of incorrect command-line
// argument specifications.
std::cout << "\nusage: qmidiin <port>\n";
std::cout << " where port = the device to use (default = 0).\n\n";
exit( 0 );
}
int main( int argc, char *argv[] )
{
RtMidiIn *midiin = 0;
std::vector<unsigned char> message;
int nBytes, i;
double stamp;
// Minimal command-line check.
if ( argc > 2 ) usage();
// RtMidiIn constructor
try {
midiin = new RtMidiIn();
}
catch ( RtMidiError &error ) {
error.printMessage();
exit( EXIT_FAILURE );
}
// Check available ports vs. specified.
unsigned int port = 0;
unsigned int nPorts = midiin->getPortCount();
if ( argc == 2 ) port = (unsigned int) atoi( argv[1] );
if ( port >= nPorts ) {
delete midiin;
std::cout << "Invalid port specifier!\n";
usage();
}
try {
midiin->openPort( port );
}
catch ( RtMidiError &error ) {
error.printMessage();
goto cleanup;
}
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, false, false );
// Install an interrupt handler function.
done = false;
(void) signal(SIGINT, finish);
// Periodically check input queue.
std::cout << "Reading MIDI from port ... quit with Ctrl-C.\n";
while ( !done ) {
stamp = midiin->getMessage( &message );
nBytes = message.size();
for ( i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message[i] << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << stamp << std::endl;
// Sleep for 10 milliseconds.
SLEEP( 10 );
}
// Clean up
cleanup:
delete midiin;
return 0;
}

110
libs/QMidi/libs/rtmidi/tests/qmidiin.dsp Normal file
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152
libs/QMidi/libs/rtmidi/tests/sysextest.cpp Normal file
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//*****************************************//
// sysextest.cpp
// by Gary Scavone, 2003-2005.
//
// Simple program to test MIDI sysex sending and receiving.
//
//*****************************************//
#include <iostream>
#include <cstdlib>
#include <typeinfo>
#include "RtMidi.h"
void usage( void ) {
std::cout << "\nuseage: sysextest N\n";
std::cout << " where N = length of sysex message to send / receive.\n\n";
exit( 0 );
}
// Platform-dependent sleep routines.
#if defined(__WINDOWS_MM__)
#include <windows.h>
#define SLEEP( milliseconds ) Sleep( (DWORD) milliseconds )
#else // Unix variants
#include <unistd.h>
#define SLEEP( milliseconds ) usleep( (unsigned long) (milliseconds * 1000.0) )
#endif
// This function should be embedded in a try/catch block in case of
// an exception. It offers the user a choice of MIDI ports to open.
// It returns false if there are no ports available.
bool chooseMidiPort( RtMidi *rtmidi );
void mycallback( double deltatime, std::vector< unsigned char > *message, void * /*userData*/ )
{
unsigned int nBytes = message->size();
for ( unsigned int i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message->at(i) << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << deltatime << std::endl;
}
int main( int argc, char *argv[] )
{
RtMidiOut *midiout = 0;
RtMidiIn *midiin = 0;
std::vector<unsigned char> message;
unsigned int i, nBytes;
// Minimal command-line check.
if ( argc != 2 ) usage();
nBytes = (unsigned int) atoi( argv[1] );
// RtMidiOut and RtMidiIn constructors
try {
midiout = new RtMidiOut();
midiin = new RtMidiIn();
}
catch ( RtMidiError &error ) {
error.printMessage();
goto cleanup;
}
// Don't ignore sysex, timing, or active sensing messages.
midiin->ignoreTypes( false, true, true );
try {
if ( chooseMidiPort( midiin ) == false ) goto cleanup;
if ( chooseMidiPort( midiout ) == false ) goto cleanup;
}
catch ( RtMidiError &error ) {
error.printMessage();
goto cleanup;
}
midiin->setCallback( &mycallback );
message.push_back( 0xF6 );
midiout->sendMessage( &message );
SLEEP( 500 ); // pause a little
// Create a long sysex message of numbered bytes and send it out ... twice.
for ( int n=0; n<2; n++ ) {
message.clear();
message.push_back( 240 );
for ( i=0; i<nBytes; i++ )
message.push_back( i % 128 );
message.push_back( 247 );
midiout->sendMessage( &message );
SLEEP( 500 ); // pause a little
}
// Clean up
cleanup:
delete midiout;
delete midiin;
return 0;
}
bool chooseMidiPort( RtMidi *rtmidi )
{
bool isInput = false;
if ( typeid( *rtmidi ) == typeid( RtMidiIn ) )
isInput = true;
if ( isInput )
std::cout << "\nWould you like to open a virtual input port? [y/N] ";
else
std::cout << "\nWould you like to open a virtual output port? [y/N] ";
std::string keyHit;
std::getline( std::cin, keyHit );
if ( keyHit == "y" ) {
rtmidi->openVirtualPort();
return true;
}
std::string portName;
unsigned int i = 0, nPorts = rtmidi->getPortCount();
if ( nPorts == 0 ) {
if ( isInput )
std::cout << "No input ports available!" << std::endl;
else
std::cout << "No output ports available!" << std::endl;
return false;
}
if ( nPorts == 1 ) {
std::cout << "\nOpening " << rtmidi->getPortName() << std::endl;
}
else {
for ( i=0; i<nPorts; i++ ) {
portName = rtmidi->getPortName(i);
if ( isInput )
std::cout << " Input port #" << i << ": " << portName << '\n';
else
std::cout << " Output port #" << i << ": " << portName << '\n';
}
do {
std::cout << "\nChoose a port number: ";
std::cin >> i;
} while ( i >= nPorts );
}
std::cout << std::endl;
rtmidi->openPort( i );
return true;
}

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#include "qmidiin.h"
#include <QDebug>
QMidiIn::QMidiIn(QObject *parent) : QObject(parent),
_midiIn(new RtMidiIn())
{
_midiIn->setCallback(&QMidiIn::callback, this);
}
QStringList QMidiIn::getPorts()
{
//TODO: make this static
QStringList ports;
for(unsigned int i = 0; i < _midiIn->getPortCount(); i++)
{
ports.append(QString::fromStdString(_midiIn->getPortName(i)));
}
return ports;
}
void QMidiIn::openPort(unsigned int index)
{
_midiIn->openPort(index);
}
void QMidiIn::openVirtualPort(QString name)
{
_midiIn->openVirtualPort(name.toStdString());
}
void QMidiIn::openPort(QString name)
{
for(unsigned int i = 0; i < _midiIn->getPortCount(); i++)
{
if(name == QString::fromStdString(_midiIn->getPortName(i)))
{
_midiIn->openPort(i);
return;
}
}
}
void QMidiIn::setIgnoreTypes(bool sysex, bool time, bool sense)
{
_midiIn->ignoreTypes(sysex, time, sense);
}
void QMidiIn::onMidiMessageReceive(QMidiMessage *msg)
{
msg->moveToThread(thread());
emit midiMessageReceived(msg);
}
void QMidiIn::callback(double deltatime, std::vector<unsigned char> *message, void *userData)
{
QMidiIn* midiIn = (QMidiIn*) userData;
QMidiMessage *midiMessage = new QMidiMessage();
if((message->at(0)) >= MIDI_SYSEX) {
midiMessage->setStatus((QMidiStatus)(message->at(0) & 0xFF));
midiMessage->setChannel(0);
} else {
midiMessage->setStatus((QMidiStatus) (message->at(0) & 0xF0));
midiMessage->setChannel((message->at(0) & 0x0F)+1);
}
midiMessage->setDeltaTime(deltatime*1000); //convert s to ms
// midiMessage->portNum = portNum;
// midiMessage->portName = portName;
switch(midiMessage->getStatus()) {
case MIDI_NOTE_ON :
case MIDI_NOTE_OFF:
midiMessage->setPitch((unsigned int) message->at(1));
midiMessage->setVelocity((unsigned int) message->at(2));
break;
case MIDI_CONTROL_CHANGE:
midiMessage->setControl((unsigned int) message->at(1));
midiMessage->setValue((unsigned int) message->at(2));
break;
case MIDI_PROGRAM_CHANGE:
case MIDI_AFTERTOUCH:
midiMessage->setValue((unsigned int) message->at(1));
break;
case MIDI_PITCH_BEND:
midiMessage->setValue((unsigned int) (message->at(2) << 7) +
(unsigned int) message->at(1)); // msb + lsb
break;
case MIDI_POLY_AFTERTOUCH:
midiMessage->setPitch((unsigned int) message->at(1));
midiMessage->setValue((unsigned int) message->at(2));
break;
default:
break;
}
unsigned int nBytes = message->size();
qDebug()<<"channel"<<(int)(message->at(0))-144;
for ( unsigned int i=0; i<nBytes; i++ )
std::cout << "Byte " << i << " = " << (int)message->at(i) << ", ";
if ( nBytes > 0 )
std::cout << "stamp = " << deltatime << std::endl;
midiIn->onMidiMessageReceive(midiMessage);
}

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libs/QMidi/qmidiin.h Normal file
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#ifndef QMIDIIN_H
#define QMIDIIN_H
#include <QStringList>
#include <QObject>
#include "RtMidi.h"
#include "qmidimessage.h"
class QMidiIn : public QObject
{
Q_OBJECT
public:
explicit QMidiIn(QObject *parent = 0);
QStringList getPorts();
void openPort(QString name);
void openPort(unsigned int index);
void openVirtualPort(QString name);
void setIgnoreTypes(bool sysex = true, bool time = true, bool sense = true);
private:
void onMidiMessageReceive(QMidiMessage *msg);
static void callback( double deltatime, std::vector< unsigned char > *message, void *userData );
private:
RtMidiIn *_midiIn;
signals:
void midiMessageReceived(QMidiMessage *message);
public slots:
};
#endif // QMIDIIN_H

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libs/QMidi/qmidimapper.cpp Normal file
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#include "qmidimapper.h"
QMidiMapper::QMidiMapper(QObject *parent) : QObject(parent)
{
}
void QMidiMapper::setMappingState(bool value)
{
}
void QMidiMapper::setWidget(QWidget *widget)
{
}
void QMidiMapper::onMidiMessageReceive(QMidiMessage *message)
{
}

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libs/QMidi/qmidimapper.h Normal file
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#ifndef QMIDIMAPPER_H
#define QMIDIMAPPER_H
#include <QObject>
#include <QWidget>
#include "qmidimessage.h"
class QMidiMapper : public QObject
{
Q_OBJECT
public:
explicit QMidiMapper(QObject *parent = 0);
private:
QWidget *_widgetToMap;
signals:
signals:
public slots:
void setMappingState(bool value = true);
void setWidget(QWidget *widget);
void onMidiMessageReceive(QMidiMessage *message);
};
#endif // QMIDIMAPPER_H

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libs/QMidi/qmidimessage.cpp Normal file
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#include "qmidimessage.h"
QMidiMessage::QMidiMessage(QObject *parent) : QObject(parent)
{
clear();
}
QMidiMessage::~QMidiMessage()
{
}
QMidiMessage::QMidiMessage(const QMidiMessage &other)
{
_status = other._status;
_channel = other._channel;
_pitch = other._pitch;
_velocity = other._velocity;
_control = other._control;
_value = other._value;
_deltaTime = other._deltaTime;
_rawMessage = other._rawMessage;
}
QMidiMessage *QMidiMessage::clear()
{
_status = MIDI_UNKNOWN;
_channel = 1;
_pitch = 0;
_velocity = 0;
_control = 0;
_value = 0;
_deltaTime = 0;
_rawMessage.clear();
}
QMidiStatus QMidiMessage::getStatus()
{
return _status;
}
unsigned int QMidiMessage::getChannel()
{
return _channel;
}
unsigned int QMidiMessage::getPitch()
{
return _pitch;
}
unsigned int QMidiMessage::getVelocity()
{
return _velocity;
}
unsigned int QMidiMessage::getControl()
{
return _control;
}
unsigned int QMidiMessage::getValue()
{
return _value;
}
double QMidiMessage::getDeltaTime()
{
return _deltaTime;
}
QMidiMessage *QMidiMessage::setStatus(QMidiStatus status)
{
_status = status;
return this;
}
QMidiMessage *QMidiMessage::setChannel(unsigned int channel)
{
_channel = channel;
return this;
}
QMidiMessage *QMidiMessage::setPitch(unsigned int pitch)
{
_pitch = pitch;
return this;
}
QMidiMessage *QMidiMessage::setVelocity(unsigned int velocity)
{
_velocity = velocity;
return this;
}
QMidiMessage *QMidiMessage::setControl(unsigned int control)
{
_control = control;
return this;
}
QMidiMessage *QMidiMessage::setValue(unsigned int value)
{
_value = value;
return this;
}
QMidiMessage *QMidiMessage::setDeltaTime(double deltaTime)
{
_deltaTime = deltaTime;
return this;
}
QMidiMessage *QMidiMessage::setRawMessage(std::vector<unsigned char> rawMessage)
{
_rawMessage = rawMessage;
return this;
}
std::vector<unsigned char> QMidiMessage::getRawMessage()
{
if(_rawMessage.size() == 0)
{
switch(_status)
{
case MIDI_NOTE_ON:{
_rawMessage.push_back(MIDI_NOTE_ON+_channel-1);
_rawMessage.push_back(_pitch);
_rawMessage.push_back(_velocity);
break;
}
case MIDI_NOTE_OFF:{
_rawMessage.push_back(MIDI_NOTE_OFF+_channel-1);
_rawMessage.push_back(_pitch);
_rawMessage.push_back(_velocity);
break;
}
case MIDI_CONTROL_CHANGE:{
_rawMessage.push_back(MIDI_CONTROL_CHANGE+_channel-1);
_rawMessage.push_back(_control);
_rawMessage.push_back(_value);
break;
}
case MIDI_PROGRAM_CHANGE:{
_rawMessage.push_back(MIDI_PROGRAM_CHANGE+_channel-1);
_rawMessage.push_back(_control);
_rawMessage.push_back(_value);
break;
}
//TODO: check protocol and implement other cases
default:{
break;
}
}
}
return _rawMessage;
}

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#ifndef QMIDIMESSAGE_H
#define QMIDIMESSAGE_H
#include <QObject>
#include <vector>
//https://github.com/danomatika/ofxMidi/blob/master/src/ofxMidiConstants.h
enum QMidiStatus {
MIDI_UNKNOWN = 0x00,
// channel voice messages
MIDI_NOTE_OFF = 0x80,
MIDI_NOTE_ON = 0x90,
MIDI_CONTROL_CHANGE = 0xB0,
MIDI_PROGRAM_CHANGE = 0xC0,
MIDI_PITCH_BEND = 0xE0,
MIDI_AFTERTOUCH = 0xD0, // aka channel pressure
MIDI_POLY_AFTERTOUCH = 0xA0, // aka key pressure
// system messages
MIDI_SYSEX = 0xF0,
MIDI_TIME_CODE = 0xF1,
MIDI_SONG_POS_POINTER = 0xF2,
MIDI_SONG_SELECT = 0xF3,
MIDI_TUNE_REQUEST = 0xF6,
MIDI_SYSEX_END = 0xF7,
MIDI_TIME_CLOCK = 0xF8,
MIDI_START = 0xFA,
MIDI_CONTINUE = 0xFB,
MIDI_STOP = 0xFC,
MIDI_ACTIVE_SENSING = 0xFE,
MIDI_SYSTEM_RESET = 0xFF
};
// number range defines
// because it's sometimes hard to remember these ...
#define MIDI_MIN_BEND 0
#define MIDI_MAX_BEND 16383
class QMidiMessage : public QObject
{
Q_OBJECT
public:
explicit QMidiMessage(QObject *parent = 0);
~QMidiMessage();
QMidiMessage(const QMidiMessage &other);
QMidiMessage* clear();
QMidiStatus getStatus();
unsigned int getChannel();
unsigned int getPitch();
unsigned int getVelocity();
unsigned int getControl();
unsigned int getValue();
double getDeltaTime();
QMidiMessage* setStatus(QMidiStatus status);
QMidiMessage* setChannel(unsigned int channel);
QMidiMessage* setPitch(unsigned int pitch);
QMidiMessage* setVelocity(unsigned int velocity);
QMidiMessage* setControl(unsigned int control);
QMidiMessage* setValue(unsigned int value);
QMidiMessage* setDeltaTime(double deltaTime);
QMidiMessage* setRawMessage(std::vector<unsigned char> rawMessage);
std::vector<unsigned char> getRawMessage();
public:
QMidiStatus _status;
unsigned int _channel;
unsigned int _pitch;
unsigned int _velocity;
unsigned int _control;
unsigned int _value;
double _deltaTime;
std::vector<unsigned char> _rawMessage;
signals:
public slots:
};
#endif // QMIDIMESSAGE_H

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libs/QMidi/qmidiout.cpp Normal file
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#include "qmidiout.h"
#include <QDebug>
QMidiOut::QMidiOut(QObject *parent) : QObject(parent),
_midiOut(new RtMidiOut())
{
}
QStringList QMidiOut::getPorts()
{
//TODO: make this static
QStringList ports;
for(unsigned int i = 0; i < _midiOut->getPortCount(); i++)
{
ports.append(QString::fromStdString(_midiOut->getPortName(i)));
}
return ports;
}
void QMidiOut::openPort(unsigned int index)
{
_midiOut->openPort(index);
}
void QMidiOut::openVirtualPort(QString name)
{
_midiOut->openVirtualPort(name.toStdString());
}
void QMidiOut::sendNoteOn(unsigned int channel, unsigned int pitch, unsigned int velocity)
{
std::vector<unsigned char> message;
message.push_back(MIDI_NOTE_ON+channel-1);
message.push_back(pitch);
message.push_back(velocity);
sendRawMessage(message);
}
void QMidiOut::sendNoteOff(unsigned int channel, unsigned int pitch, unsigned int velocity)
{
std::vector<unsigned char> message;
message.push_back(MIDI_NOTE_OFF+(channel-1));
message.push_back(pitch);
message.push_back(velocity);
sendRawMessage(message);
}
void QMidiOut::sendMessage(QMidiMessage *message)
{
std::vector<unsigned char> rawMessage = message->getRawMessage();
qDebug()<<"send message"<<rawMessage.front();
sendRawMessage(rawMessage);
}
void QMidiOut::sendRawMessage(std::vector<unsigned char> &message)
{
_midiOut->sendMessage(&message);
}

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#ifndef QMIDIOUT_H
#define QMIDIOUT_H
#include <QStringList>
#include <QObject>
#include "RtMidi.h"
#include "qmidimessage.h"
class QMidiOut : public QObject
{
Q_OBJECT
public:
explicit QMidiOut(QObject *parent = 0);
void noteOn(unsigned int note, unsigned int value);
QStringList getPorts();
void sendNoteOn(unsigned int channel, unsigned int pitch, unsigned int velocity);
void sendNoteOff(unsigned int channel, unsigned int pitch, unsigned int velocity);
void sendMessage(QMidiMessage *message);
void sendRawMessage(std::vector<unsigned char> &message);
void openPort(unsigned int index);
void openVirtualPort(QString name);
private:
RtMidiOut *_midiOut;
signals:
public slots:
};
#endif // QMIDIOUT_H

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#include "qmidipianoroll.h"
#include <QPainter>
#include <QGraphicsRectItem>
QMidiPianoRoll::QMidiPianoRoll(QWidget *parent) :
QGraphicsView(parent),
_scene(new QGraphicsScene()),
_keyWidth(10),
_keyHeight(60)
{
float x = 0;
for(int i = 0; i < 128; i++)
{
int position = i % 12;
QGraphicsRectItem *rect;
if(position == 0 || position == 2 || position == 4 || position == 5 || position == 7 || position == 9 || position == 11)
{
rect = new QGraphicsRectItem(x,0,_keyWidth,_keyHeight);
_scene->addItem(rect);
if(position != 4 && position != 11 )
{
x += _keyWidth/2+1;
}
else
{
x += _keyWidth+1;
}
}
else
{
rect = new QGraphicsRectItem(x,0,_keyWidth,_keyHeight/2);
rect->setZValue(2);
QBrush brush;
QPen pen;
brush.setStyle(Qt::SolidPattern);
pen.setColor(Qt::black);
brush.setColor(Qt::black);
rect->setBrush(brush);
rect->setPen(pen);
_scene->addItem(rect);
x += _keyWidth/2+1;
}
_keys.push_back(rect);
}
setScene(_scene);
}
bool QMidiPianoRoll::isSemiTone(int pitch)
{
int position = pitch %12;
if(position == 0 || position == 2 || position == 4 || position == 5 || position == 7 || position == 9 || position == 11)
{
return false;
}
else
{
return true;
}
}
//void QMidiPianoRoll::paintEvent(QPaintEvent *event)
//{
//// QPainter painter(this);
//}
void QMidiPianoRoll::onMidiReceive(QMidiMessage *message)
{
switch(message->getStatus())
{
case MIDI_NOTE_ON: {
QBrush brush;
brush.setStyle(Qt::SolidPattern);
brush.setColor(QColor(0,0,200, message->getVelocity()*2));
_keys[message->getPitch()]->setBrush(brush);
break;
}
case MIDI_NOTE_OFF: {
QBrush brush;
brush.setStyle(Qt::SolidPattern);
QColor color;
if(isSemiTone(message->getPitch()))
{
color = QColor(Qt::black);
}
else
{
color = QColor(Qt::white);
}
brush.setColor(color);
_keys[message->getPitch()]->setBrush(brush);
break;
}
default: break;
}
}

30
libs/QMidi/qmidipianoroll.h Normal file
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#ifndef QMIDIPIANOROLL_H
#define QMIDIPIANOROLL_H
#include <QWidget>
#include <QGraphicsView>
#include <QGraphicsScene>
#include "qmidimessage.h"
class QMidiPianoRoll :
public QGraphicsView
{
Q_OBJECT
public:
explicit QMidiPianoRoll(QWidget *parent = 0);
protected:
// void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
private:
bool isSemiTone(int pitch);
private:
QGraphicsScene *_scene;
int _keyWidth;
int _keyHeight;
QVector<QGraphicsRectItem*> _keys;
signals:
public slots:
void onMidiReceive(QMidiMessage *message);
};
#endif // QMIDIPIANOROLL_H

15
libs/QMidi/scripts/ci/common/script.sh Executable file
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#!/bin/bash
set -ev
for dir in examples/example*/
do
(
dir=${dir%*/} &&
cd examples/${dir##*/} &&
mkdir -p build &&
cd build &&
qmake ../*.pro &&
make
)
done

12
libs/QMidi/scripts/ci/linux/install.sh Normal file
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#!/bin/bash
set -ev
sudo add-apt-repository --yes ppa:ubuntu-sdk-team/ppa
sudo apt-get update -qq
sudo apt-get install qt5-default
sudo apt-get install qt5-qmake
sudo apt-get install qtbase5-dev-tools
sudo apt-get install libasound2-dev #run install_dependencies.sh instead

5
libs/QMidi/scripts/ci/osx/install.sh Normal file
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#!/bin/bash
set -ev
brew install qt5
brew link --force qt5

4
libs/QMidi/scripts/dependencies/install_dependencies.sh Normal file
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#!/bin/bash
set -ev
sudo apt-get install libasound2-dev

6
src/main.cpp Normal file
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#include <QApplication>
int main(int argc, char *argv[]){
QApplication app(argc, argv);
return app.exec();
}