| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package javax.sound.midi; |
| |
| import java.util.Vector; |
| |
| import org.apache.harmony.sound.internal.nls.Messages; |
| |
| public class Sequence { |
| public static final float PPQ = 0.0f; |
| |
| public static final float SMPTE_24 = 24.0f; |
| |
| public static final float SMPTE_25 = 25.0f; |
| |
| public static final float SMPTE_30 = 30.0f; |
| |
| public static final float SMPTE_30DROP = 29.969999313354492f; |
| |
| protected float divisionType; |
| |
| protected int resolution; |
| |
| protected Vector<Track> tracks; |
| |
| private Vector<Patch> patches; |
| |
| public Sequence(float divisionType, int resolution) throws InvalidMidiDataException { |
| if (divisionType != Sequence.PPQ && |
| divisionType != Sequence.SMPTE_24 && |
| divisionType != Sequence.SMPTE_25 && |
| divisionType != Sequence.SMPTE_30 && |
| divisionType != Sequence.SMPTE_30DROP ) { |
| // sound.0B=Unsupported division type: {0} |
| throw new InvalidMidiDataException(Messages.getString("sound.0B", divisionType)); //$NON-NLS-1$ |
| } |
| this.divisionType = divisionType; |
| this.resolution = resolution; |
| this.tracks = new Vector<Track>(); |
| this.patches = new Vector<Patch>(); |
| |
| } |
| |
| public Sequence(float divisionType, int resolution, int numTracks) |
| throws InvalidMidiDataException { |
| if (divisionType != Sequence.PPQ && |
| divisionType != Sequence.SMPTE_24 && |
| divisionType != Sequence.SMPTE_25 && |
| divisionType != Sequence.SMPTE_30 && |
| divisionType != Sequence.SMPTE_30DROP ) { |
| // sound.0B=Unsupported division type: {0} |
| throw new InvalidMidiDataException(Messages.getString("sound.0B", divisionType)); //$NON-NLS-1$ |
| } |
| this.divisionType = divisionType; |
| this.resolution = resolution; |
| this.patches = new Vector<Patch>(); |
| this.tracks = new Vector<Track>(); |
| if (numTracks > 0) { |
| for (int i = 0; i < numTracks; i++) { |
| tracks.add(new Track()); |
| } |
| } |
| } |
| |
| public Track createTrack() { |
| /* |
| * new Tracks accrue to the end of vector |
| */ |
| Track tr = new Track(); |
| tracks.add(tr); |
| return tr; |
| } |
| |
| public boolean deleteTrack(Track track) { |
| return tracks.remove(track); |
| } |
| |
| public float getDivisionType() { |
| return divisionType; |
| } |
| |
| public long getMicrosecondLength() { |
| float divisionType; |
| if (this.divisionType == 0.0f) { |
| divisionType = 2; |
| } else { |
| divisionType = this.divisionType; |
| } |
| return (long) (1000000.0 * getTickLength() / |
| (divisionType * this.resolution * 1.0f)); |
| } |
| |
| public Patch[] getPatchList() { |
| //FIXME |
| /* |
| * I don't understand how to works this method, and so |
| * I simply return an empty array. 'patches' initializes |
| * in the constructor as empty vector |
| */ |
| Patch[] patch = new Patch[patches.size()]; |
| patches.toArray(patch); |
| return patch; |
| } |
| |
| public int getResolution() { |
| return resolution; |
| } |
| |
| public long getTickLength() { |
| /* |
| * this method return the biggest value of tick of |
| * all tracks contain in the Sequence |
| */ |
| long maxTick = 0; |
| for (int i = 0; i < tracks.size(); i++) { |
| if (maxTick < tracks.get(i).ticks()) { |
| maxTick = tracks.get(i).ticks(); |
| } |
| } |
| return maxTick; |
| } |
| |
| public Track[] getTracks() { |
| Track[] track = new Track[tracks.size()]; |
| tracks.toArray(track); |
| return track; |
| } |
| |
| } |