/*
* Autopsy Forensic Browser
*
* Copyright 2013 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* Licensed 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 org.sleuthkit.autopsy.imageanalyzer.datamodel;
import java.io.File;
import java.io.IOException;
import java.lang.ref.SoftReference;
import java.nio.file.Paths;
import javafx.scene.image.Image;
import javafx.scene.media.Media;
import javafx.scene.media.MediaException;
import org.sleuthkit.autopsy.casemodule.Case;
import org.sleuthkit.autopsy.datamodel.ContentUtils;
import org.sleuthkit.datamodel.AbstractFile;
public class VideoFile<T extends AbstractFile> extends DrawableFile<T> {
private static final Image VIDEO_ICON = new Image("org/sleuthkit/autopsy/imageanalyzer/images/Clapperboard.png");
VideoFile(T file, Boolean analyzed) {
super(file, analyzed);
}
@Override
public Image getThumbnail() {
//TODO: implement video thumbnailing here?
return VIDEO_ICON;
}
SoftReference<Media> mediaRef;
public Media getMedia() throws IOException, MediaException {
Media media = null;
if (mediaRef != null) {
media = mediaRef.get();
}
if (media != null) {
return media;
}
final File cacheFile = getCacheFile(this.getId());
if (cacheFile.exists() == false) {
ContentUtils.writeToFile(this.getAbstractFile(), cacheFile);
}
try {
media = new Media(Paths.get(cacheFile.getAbsolutePath()).toUri().toString());
mediaRef = new SoftReference<>(media);
return media;
} catch (MediaException ex) {
throw ex;
}
}
private File getCacheFile(long id) {
return new File(Case.getCurrentCase().getCacheDirectory() + File.separator + id);
}
@Override
Double getWidth() {
try {
return (double) getMedia().getWidth();
} catch (IOException | MediaException ex) {
return -1.0;
}
}
@Override
public boolean isVideo() {
return true;
}
@Override
Double getHeight() {
try {
return (double) getMedia().getHeight();
} catch (IOException | MediaException ex) {
return -1.0;
}
}
}