001/* 002 * (C) Copyright 2016 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Thibaud Arguillere 018 * Ricardo Dias 019 */ 020package org.nuxeo.ecm.platform.video.tools.operations; 021 022import org.apache.commons.lang.StringUtils; 023import org.nuxeo.ecm.automation.OperationException; 024import org.nuxeo.ecm.automation.core.Constants; 025import org.nuxeo.ecm.automation.core.annotations.Operation; 026import org.nuxeo.ecm.automation.core.annotations.OperationMethod; 027import org.nuxeo.ecm.automation.core.annotations.Param; 028import org.nuxeo.ecm.automation.core.collectors.BlobCollector; 029import org.nuxeo.ecm.automation.core.util.BlobList; 030import org.nuxeo.ecm.core.api.Blob; 031import org.nuxeo.ecm.core.api.DocumentModel; 032import org.nuxeo.ecm.core.api.DocumentModelList; 033import org.nuxeo.ecm.core.api.NuxeoException; 034import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 035import org.nuxeo.ecm.platform.video.tools.VideoToolsService; 036import org.nuxeo.runtime.api.Framework; 037 038/** 039 * Slices the video to obtain a part of it. 040 * @since 8.4 041 */ 042@Operation(id = SliceVideo.ID, category = Constants.CAT_CONVERSION, label = "SliceVideo the video for a given duration and startAt time.", description = "SliceVideo the input blob starting at startAt, for a certain duration. The duration and startAt arguments are optional, but not simultaneously. A specific converter can be used.") 043public class SliceVideo { 044 045 public static final String ID = "Video.Slice"; 046 047 @Param(name = "startAt", required = false) 048 protected String startAt; 049 050 @Param(name = "duration", required = false) 051 protected String duration; 052 053 @Param(name = "encode", required = false, values = "true") 054 protected boolean encode = true; 055 056 @Param(name = "xpath", required = false) 057 protected String xpath; 058 059 @OperationMethod 060 public Blob run(DocumentModel input) throws OperationException { 061 if (StringUtils.isEmpty(xpath)) { 062 return run(input.getAdapter(BlobHolder.class).getBlob()); 063 } else { 064 return run((Blob) input.getPropertyValue(xpath)); 065 } 066 } 067 068 @OperationMethod 069 public BlobList run(DocumentModelList input) throws OperationException { 070 BlobList blobList = new BlobList(); 071 for (DocumentModel doc : input) { 072 blobList.add(run(doc)); 073 } 074 return blobList; 075 } 076 077 @OperationMethod(collector = BlobCollector.class) 078 public Blob run(Blob input) throws OperationException { 079 try { 080 VideoToolsService videoService = Framework.getService(VideoToolsService.class); 081 return videoService.slice(input, 082 StringUtils.isEmpty(startAt) ? "00:00" : startAt, 083 duration, encode).get(0); 084 } catch(NuxeoException e) { 085 throw new OperationException(e); 086 } 087 } 088 089}