1dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/* 2dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Copyright 2008 CoreMedia AG, Hamburg 3dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 4dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Licensed under the Apache License, Version 2.0 (the License); 5dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * you may not use this file except in compliance with the License. 6dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * You may obtain a copy of the License at 7dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 8dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * http://www.apache.org/licenses/LICENSE-2.0 9dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 10dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Unless required by applicable law or agreed to in writing, software 11dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * distributed under the License is distributed on an AS IS BASIS, 12dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * See the License for the specific language governing permissions and 14dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * limitations under the License. 15dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 16dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 17dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupackage com.coremedia.iso.boxes; 18dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 19dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 20dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.googlecode.mp4parser.AbstractBox; 21dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport com.googlecode.mp4parser.AbstractContainerBox; 22dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 23dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuimport java.util.List; 24dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 25dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/** 26dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * The metadata for a presentation is stored in the single Movie Box which occurs at the top-level of a file. 27dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Normally this box is close to the beginning or end of the file, though this is not required. 28dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 29dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupublic class MovieBox extends AbstractContainerBox { 30dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public static final String TYPE = "moov"; 31dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 32dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public MovieBox() { 33dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu super(TYPE); 34dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 35dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 36dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public int getTrackCount() { 37dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return getBoxes(TrackBox.class).size(); 38dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 39dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 40dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 41dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu /** 42dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * Returns the track numbers associated with this <code>MovieBox</code>. 43dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * 44dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu * @return the tracknumbers (IDs) of the tracks in their order of appearance in the file 45dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu */ 46dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public long[] getTrackNumbers() { 47dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 48dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu List<TrackBox> trackBoxes = this.getBoxes(TrackBox.class); 49dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu long[] trackNumbers = new long[trackBoxes.size()]; 50dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu for (int trackCounter = 0; trackCounter < trackBoxes.size(); trackCounter++) { 51dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu AbstractBox trackBoxe = trackBoxes.get(trackCounter); 52dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu TrackBox trackBox = (TrackBox) trackBoxe; 53dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu trackNumbers[trackCounter] = trackBox.getTrackHeaderBox().getTrackId(); 54dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 55dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return trackNumbers; 56dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 57dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 58dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public MovieHeaderBox getMovieHeaderBox() { 59dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu for (Box box : boxes) { 60dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (box instanceof MovieHeaderBox) { 61dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return (MovieHeaderBox) box; 62dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 63dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 64dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return null; 65dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 66dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 67dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 68