本文整理汇总了Java中com.leff.midi.event.ProgramChange类的典型用法代码示例。如果您正苦于以下问题:Java ProgramChange类的具体用法?Java ProgramChange怎么用?Java ProgramChange使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
ProgramChange类属于com.leff.midi.event包,在下文中一共展示了ProgramChange类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: readMidiTrackFromArray
import com.leff.midi.event.ProgramChange; //导入依赖的package包/类
/**
* Reads a MIDI track from an array of notes. The array format must be:
* <ul>
* <li>Program ID,
* <li>Note pitch, velocity, duration,
* <li>(additional notes)
* </ul>
*
* @param notes The array to read as a MIDI track.
* @return A MIDI track.
*/
private static MidiTrack readMidiTrackFromArray(int[] notes) {
final MidiTrack noteTrack = new MidiTrack();
int tick = 0;
final int program = notes[0];
if ((program < 0) || (program > 127)) {
throw new IllegalArgumentException("MIDI track program must be in the range [0,127]");
}
// Set the channel volume to maximum.
noteTrack.insertEvent(new Controller(
0, 0, DEFAULT_CHANNEL, ControllerType.VOLUME, DEFAULT_VOLUME));
// Mute the reverb effect.
noteTrack.insertEvent(new Controller(
0, 0, DEFAULT_CHANNEL, ControllerType.EFFECTS_LEVEL, 0));
// Mute the chorus effect.
noteTrack.insertEvent(new Controller(
0, 0, DEFAULT_CHANNEL, ControllerType.CHORUS_LEVEL, 0));
noteTrack.insertEvent(new ProgramChange(0, 0, program));
if ((notes.length % 3) != 1) {
throw new IllegalArgumentException(
"MIDI note array must contain a single integer followed by triplets");
}
for (int i = 1; i < (notes.length - 2); i += 3) {
final int pitch = notes[i];
if ((pitch < 21) || (pitch > 108)) {
throw new IllegalArgumentException("MIDI note pitch must be in the range [21,108]");
}
final int velocity = notes[i + 1];
if ((velocity < 0) || (velocity > 127)) {
throw new IllegalArgumentException(
"MIDI note velocity must be in the range [0,127]");
}
final int duration = notes[i + 2];
noteTrack.insertNote(DEFAULT_CHANNEL, pitch, velocity, tick, duration);
tick += duration;
}
return noteTrack;
}
示例2: writeProgramChange
import com.leff.midi.event.ProgramChange; //导入依赖的package包/类
@Override public void writeProgramChange(int track, int channel, long tick, int program) {
MidiEvent event = new ProgramChange(tick, channel, program);
tracks.get(track).insertEvent(event);
}