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1   /*
2    * Licensed to The Apereo Foundation under one or more contributor license
3    * agreements. See the NOTICE file distributed with this work for additional
4    * information regarding copyright ownership.
5    *
6    *
7    * The Apereo Foundation licenses this file to you under the Educational
8    * Community License, Version 2.0 (the "License"); you may not use this file
9    * except in compliance with the License. You may obtain a copy of the License
10   * at:
11   *
12   *   http://opensource.org/licenses/ecl2.txt
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
17   * License for the specific language governing permissions and limitations under
18   * the License.
19   *
20   */
21  
22  package org.opencastproject.videogrid.api;
23  
24  import org.opencastproject.job.api.Job;
25  import org.opencastproject.mediapackage.MediaPackageException;
26  import org.opencastproject.mediapackage.Track;
27  
28  import org.apache.commons.codec.EncoderException;
29  
30  import java.util.List;
31  
32  /**
33   * Generate a single video out of many, arranged in a grid.
34   */
35  public interface VideoGridService {
36  
37    /**
38     * The namespace distinguishing videogrid jobs from other types
39     */
40    String JOB_TYPE = "org.opencastproject.videogrid";
41  
42    /**
43     * Generate the final video in parts
44     *
45     * @param command
46     *          An ffmpeg command as a list
47     * @param tracks
48     *          Source tracks used by the ffmpeg command
49     * @return VideoGrid service job.
50     * @throws VideoGridServiceException
51     *          If something went wrong during the processing
52     */
53    Job createPartialTrack(List<String> command, Track... tracks)
54            throws VideoGridServiceException, EncoderException, MediaPackageException;
55  }