svcore  1.9
Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes
MIDIFileWriter Class Reference

Write a MIDI file. More...

#include <MIDIFileWriter.h>

Collaboration diagram for MIDIFileWriter:
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List of all members.

Public Member Functions

 MIDIFileWriter (QString path, const NoteExportable *exportable, int sampleRate, float tempo=120.f)
virtual ~MIDIFileWriter ()
virtual bool isOK () const
virtual QString getError () const
virtual void write ()

Protected Types

enum  MIDIFileFormatType { MIDI_SINGLE_TRACK_FILE = 0x00, MIDI_SIMULTANEOUS_TRACK_FILE = 0x01, MIDI_SEQUENTIAL_TRACK_FILE = 0x02, MIDI_FILE_BAD_FORMAT = 0xFF }
typedef std::vector< MIDIEvent * > MIDITrack
typedef std::map< unsigned int,
MIDITrack > 		MIDIComposition

Protected Member Functions

std::string intToMIDIBytes (int number) const
std::string longToMIDIBytes (unsigned long number) const
std::string longToVarBuffer (unsigned long number) const
unsigned long getMIDITimeForTime (RealTime t) const
bool writeHeader ()
bool writeTrack (int track)
bool writeComposition ()
bool convert ()

Protected Attributes

QString m_path
const NoteExportable * m_exportable
int m_sampleRate
float m_tempo
int m_timingDivision
MIDIFileFormatType m_format
unsigned int m_numberOfTracks
MIDIComposition m_midiComposition
std::ofstream * m_midiFile
QString m_error

Detailed Description

Write a MIDI file.

This includes file write code for generic simultaneous-track MIDI files, but the conversion stage only supports a single-track MIDI file with fixed tempo, time signature and timing division.

Definition at line 43 of file MIDIFileWriter.h.

Member Typedef Documentation

typedef std::vector<MIDIEvent *> MIDIFileWriter::MIDITrack [protected]

Definition at line 58 of file MIDIFileWriter.h.

typedef std::map<unsigned int, MIDITrack> MIDIFileWriter::MIDIComposition [protected]

Definition at line 59 of file MIDIFileWriter.h.

Member Enumeration Documentation

enum MIDIFileWriter::MIDIFileFormatType [protected]
Enumerator:
MIDI_SINGLE_TRACK_FILE 
MIDI_SIMULTANEOUS_TRACK_FILE 
MIDI_SEQUENTIAL_TRACK_FILE 
MIDI_FILE_BAD_FORMAT 

Definition at line 61 of file MIDIFileWriter.h.

Constructor & Destructor Documentation

MIDIFileWriter::MIDIFileWriter ( QString  path,
const NoteExportable *  exportable,
int  sampleRate,
float  tempo = 120.f 
)

Definition at line 39 of file MIDIFileWriter.cpp.

References convert(), and m_error.

MIDIFileWriter::~MIDIFileWriter ( ) [virtual]

Definition at line 52 of file MIDIFileWriter.cpp.

References m_midiComposition.

Member Function Documentation

bool MIDIFileWriter::isOK ( ) const [virtual]

Definition at line 69 of file MIDIFileWriter.cpp.

References m_error.

QString MIDIFileWriter::getError ( ) const [virtual]

Definition at line 75 of file MIDIFileWriter.cpp.

References m_error.

void MIDIFileWriter::write ( ) [virtual]

Definition at line 81 of file MIDIFileWriter.cpp.

References writeComposition().

string MIDIFileWriter::intToMIDIBytes ( int  number) const [protected]

Definition at line 87 of file MIDIFileWriter.cpp.

Referenced by writeHeader().

string MIDIFileWriter::longToMIDIBytes ( unsigned long  number) const [protected]

Definition at line 102 of file MIDIFileWriter.cpp.

Referenced by writeTrack().

string MIDIFileWriter::longToVarBuffer ( unsigned long  number) const [protected]

Definition at line 127 of file MIDIFileWriter.cpp.

Referenced by writeTrack().

unsigned long MIDIFileWriter::getMIDITimeForTime ( RealTime  t) const [protected]
bool MIDIFileWriter::writeHeader ( ) [protected]

Definition at line 161 of file MIDIFileWriter.cpp.

References intToMIDIBytes(), m_format, m_midiFile, m_numberOfTracks, m_timingDivision, and MIDIConstants::MIDI_FILE_HEADER.

Referenced by writeComposition().

bool MIDIFileWriter::writeTrack ( int  track) [protected]

Definition at line 183 of file MIDIFileWriter.cpp.

References longToMIDIBytes(), longToVarBuffer(), m_midiComposition, m_midiFile, MIDIConstants::MIDI_CHNL_AFTERTOUCH, MIDIConstants::MIDI_CTRL_CHANGE, MIDIConstants::MIDI_FILE_META_EVENT, MIDIConstants::MIDI_NOTE_OFF, MIDIConstants::MIDI_NOTE_ON, MIDIConstants::MIDI_PITCH_BEND, MIDIConstants::MIDI_POLY_AFTERTOUCH, MIDIConstants::MIDI_PROG_CHANGE, MIDIConstants::MIDI_SYSTEM_EXCLUSIVE, and MIDIConstants::MIDI_TRACK_HEADER.

Referenced by writeComposition().

bool MIDIFileWriter::writeComposition ( ) [protected]

Definition at line 277 of file MIDIFileWriter.cpp.

References m_error, m_midiFile, m_numberOfTracks, m_path, writeHeader(), and writeTrack().

Referenced by write().

bool MIDIFileWriter::convert ( ) [protected]

Definition at line 313 of file MIDIFileWriter.cpp.

References NoteExportable::getNotes(), m_exportable, m_format, m_midiComposition, m_numberOfTracks, m_sampleRate, m_tempo, m_timingDivision, MIDIConstants::MIDI_CUE_POINT, MIDIConstants::MIDI_END_OF_TRACK, MIDIConstants::MIDI_FILE_META_EVENT, MIDIConstants::MIDI_NOTE_OFF, MIDIConstants::MIDI_NOTE_ON, MIDIConstants::MIDI_SET_TEMPO, MIDI_SINGLE_TRACK_FILE, and notes.

Referenced by MIDIFileWriter().

Member Data Documentation

QString MIDIFileWriter::m_path [protected]

Definition at line 80 of file MIDIFileWriter.h.

Referenced by writeComposition().

const NoteExportable* MIDIFileWriter::m_exportable [protected]

Definition at line 81 of file MIDIFileWriter.h.

Referenced by convert().

int MIDIFileWriter::m_sampleRate [protected]

Definition at line 82 of file MIDIFileWriter.h.

Referenced by convert().

float MIDIFileWriter::m_tempo [protected]

Definition at line 83 of file MIDIFileWriter.h.

Referenced by convert().

int MIDIFileWriter::m_timingDivision [protected]

Definition at line 84 of file MIDIFileWriter.h.

Referenced by convert(), and writeHeader().

MIDIFileFormatType MIDIFileWriter::m_format [protected]

Definition at line 85 of file MIDIFileWriter.h.

Referenced by convert(), and writeHeader().

unsigned int MIDIFileWriter::m_numberOfTracks [protected]

Definition at line 86 of file MIDIFileWriter.h.

Referenced by convert(), writeComposition(), and writeHeader().

MIDIComposition MIDIFileWriter::m_midiComposition [protected]

Definition at line 88 of file MIDIFileWriter.h.

Referenced by convert(), writeTrack(), and ~MIDIFileWriter().

std::ofstream* MIDIFileWriter::m_midiFile [protected]

Definition at line 90 of file MIDIFileWriter.h.

Referenced by writeComposition(), writeHeader(), and writeTrack().

QString MIDIFileWriter::m_error [protected]

Definition at line 91 of file MIDIFileWriter.h.

Referenced by getError(), isOK(), MIDIFileWriter(), and writeComposition().

The documentation for this class was generated from the following files: