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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
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package javax.sound.midi;
/**
* A <code>Patch</code> object represents a location, on a MIDI
* synthesizer, into which a single instrument is stored (loaded).
* Every <code>Instrument</code> object has its own <code>Patch</code>
* object that specifies the memory location
* into which that instrument should be loaded. The
* location is specified abstractly by a bank index and a program number (not by
* any scheme that directly refers to a specific address or offset in RAM).
* This is a hierarchical indexing scheme: MIDI provides for up to 16384 banks,
* each of which contains up to 128 program locations. For example, a
* minimal sort of synthesizer might have only one bank of instruments, and
* only 32 instruments (programs) in that bank.
* <p>
* To select what instrument should play the notes on a particular MIDI
* channel, two kinds of MIDI message are used that specify a patch location:
* a bank-select command, and a program-change channel command. The Java Sound
* equivalent is the
* {@link MidiChannel#programChange(int, int) programChange(int, int)}
* method of <code>MidiChannel</code>.
*
* @see Instrument
* @see Instrument#getPatch()
* @see MidiChannel#programChange(int, int)
* @see Synthesizer#loadInstruments(Soundbank, Patch[])
* @see Soundbank
* @see Sequence#getPatchList()
*
* @author Kara Kytle
*/
public class Patch {
/**
* Bank index
*/
private final int bank;
/**
* Program change number
*/
private final int program;
/**
* Constructs a new patch object from the specified bank and program
* numbers.
* @param bank the bank index (in the range from 0 to 16383)
* @param program the program index (in the range from 0 to 127)
*/
public Patch(int bank, int program) {
this.bank = bank;
this.program = program;
}
/**
* Returns the number of the bank that contains the instrument
* whose location this <code>Patch</code> specifies.
* @return the bank number, whose range is from 0 to 16383
* @see MidiChannel#programChange(int, int)
*/
public int getBank() {
return bank;
}
/**
* Returns the index, within
* a bank, of the instrument whose location this <code>Patch</code> specifies.
* @return the instrument's program number, whose range is from 0 to 127
*
* @see MidiChannel#getProgram
* @see MidiChannel#programChange(int)
* @see MidiChannel#programChange(int, int)
*/
public int getProgram() {
return program;
}
}