Examples of javax.sound.midi.MidiFileFormat

javax.sound.midi.MidiFileFormat

A MidiFileFormat object encapsulates a MIDI file's type, as well as its length and timing information.

A MidiFileFormat object can include a set of properties. A property is a pair of key and value: the key is of type String, the associated property value is an arbitrary object. Properties specify additional informational meta data (like a author, or copyright). Properties are optional information, and file reader and file writer implementations are not required to provide or recognize properties.

The following table lists some common properties that should be used in implementations:

MIDI File Format Properties
Property key	Value type	Description
"author"	{@link java.lang.String String}	name of the author of this file
"title"	{@link java.lang.String String}	title of this file
"copyright"	{@link java.lang.String String}	copyright message
"date"	{@link java.util.Date Date}	date of the recording or release
"comment"	{@link java.lang.String String}	an arbitrary text

@see MidiSystem#getMidiFileFormat(java.io.File) @see Sequencer#setSequence(java.io.InputStream stream) @author Kara Kytle @author Florian Bomers

                }
            }
        } catch (UnsupportedAudioFileException e) {
            // not an audio file
            try {
                MidiFileFormat mff = MidiSystem.getMidiFileFormat(bis);
                success = createSequencer(bis);
            } catch (InvalidMidiDataException e1) {
                success = false;
            }
        }

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            // if only reading the file format, reset the stream
            if (smfParser == null) {
                dis.reset();
            }
        }
        MidiFileFormat format = new MidiFileFormat(type, divisionType, resolution, fileLength, duration);
        return format;
    }

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    public MidiFileFormat getMidiFileFormat(URL url) throws InvalidMidiDataException, IOException {
        InputStream urlStream = url.openStream(); // throws IOException
        BufferedInputStream bis = new BufferedInputStream( urlStream, bisBufferSize );
        MidiFileFormat fileFormat = null;
        try {
            fileFormat = getMidiFileFormat( bis ); // throws InvalidMidiDataException
        } finally {
            bis.close();
        }

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        // $$fb 2002-04-17: part of fix for 4635286: MidiSystem.getMidiFileFormat() returns format having invalid length
        long length = file.length();
        if (length > Integer.MAX_VALUE) {
            length = MidiFileFormat.UNKNOWN_LENGTH;
        }
        MidiFileFormat fileFormat = null;
        try {
            fileFormat = getMidiFileFormatFromStream(bis, (int) length, null);
        } finally {
            bis.close();
        }

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org.apache.harmony.sound.tests.javax.sound.midi.MidiFileFormatTest

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vavi.sound.mfi.vavi.MfiContext

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