openshot-audio  0.1.2
juce_MidiFile.h
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1 /*
2  ==============================================================================
3 
4  This file is part of the JUCE library.
5  Copyright (c) 2015 - ROLI Ltd.
6 
7  Permission is granted to use this software under the terms of either:
8  a) the GPL v2 (or any later version)
9  b) the Affero GPL v3
10 
11  Details of these licenses can be found at: www.gnu.org/licenses
12 
13  JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
14  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15  A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 
17  ------------------------------------------------------------------------------
18 
19  To release a closed-source product which uses JUCE, commercial licenses are
20  available: visit www.juce.com for more information.
21 
22  ==============================================================================
23 */
24 
25 #ifndef JUCE_MIDIFILE_H_INCLUDED
26 #define JUCE_MIDIFILE_H_INCLUDED
27 
28 
29 //==============================================================================
43 {
44 public:
45  //==============================================================================
48  MidiFile();
49 
51  ~MidiFile();
52 
53  //==============================================================================
57  int getNumTracks() const noexcept;
58 
63  const MidiMessageSequence* getTrack (int index) const noexcept;
64 
69  void addTrack (const MidiMessageSequence& trackSequence);
70 
74  void clear();
75 
88  short getTimeFormat() const noexcept;
89 
99  void setTicksPerQuarterNote (int ticksPerQuarterNote) noexcept;
100 
113  void setSmpteTimeFormat (int framesPerSecond,
114  int subframeResolution) noexcept;
115 
116  //==============================================================================
121  void findAllTempoEvents (MidiMessageSequence& tempoChangeEvents) const;
122 
127  void findAllTimeSigEvents (MidiMessageSequence& timeSigEvents) const;
128 
132  void findAllKeySigEvents (MidiMessageSequence& keySigEvents) const;
133 
137  double getLastTimestamp() const;
138 
139  //==============================================================================
151  bool readFrom (InputStream& sourceStream);
152 
158  bool writeTo (OutputStream& destStream, int midiFileType = 1);
159 
165  void convertTimestampTicksToSeconds();
166 
167 
168 private:
169  //==============================================================================
171  short timeFormat;
172 
173  void readNextTrack (const uint8*, int size);
174  void writeTrack (OutputStream&, int trackNum);
175 
177 };
178 
179 
180 #endif // JUCE_MIDIFILE_H_INCLUDED
#define noexcept
Definition: juce_CompilerSupport.h:141
Definition: juce_InputStream.h:41
#define JUCE_API
Definition: juce_StandardHeader.h:139
Definition: juce_MidiMessageSequence.h:38
Definition: juce_OutputStream.h:42
#define JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(className)
Definition: juce_PlatformDefs.h:198
unsigned char uint8
Definition: juce_MathsFunctions.h:43
Definition: juce_MidiFile.h:42