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5372 allow videos to preserve ordering

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This commit is contained in:
William Schaefer 2019-09-04 12:42:39 -04:00
parent c3e57475bb
commit 81c1326b16
3 changed files with 36 additions and 21 deletions
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33
Core/src/org/sleuthkit/autopsy/filequery/FileSearch.java
View File

@ -336,16 +336,18 @@ class FileSearch {
}
/**
* Get the video thumbnails for a specified AbstractFile.
* Get the video thumbnails for a file which exists in a
* VideoThumbnailsWrapper and update the VideoThumbnailsWrapper to include
* them.
*
* @param file Video file to generate thumbnails for.
* @param thumbnailWrapper the object which contains the file to generate
* thumbnails for.
*
* @return An object containing the list of video thumbnails, an array of
* their timestamps, and the AbstractFile they were generated for.
*/
@NbBundle.Messages({"# {0} - file name",
"FileSearch.genVideoThumb.progress.text=extracting temporary file {0}"})
static VideoThumbnailsWrapper getVideoThumbnails(AbstractFile file) {
static void getVideoThumbnails(VideoThumbnailsWrapper thumbnailWrapper) {
AbstractFile file = thumbnailWrapper.getAbstractFile();
//Currently this method always creates the thumbnails
java.io.File tempFile;
try {
@ -357,7 +359,8 @@ class FileSearch {
0,
0,
0};
return new VideoThumbnailsWrapper(createDefaultThumbnailList(), framePositions, file);
thumbnailWrapper.setThumbnails(createDefaultThumbnailList(), framePositions);
return;
}
if (tempFile.exists() == false || tempFile.length() < file.getSize()) {
ProgressHandle progress = ProgressHandle.createHandle(Bundle.FileSearch_genVideoThumb_progress_text(file.getName()));
@ -370,7 +373,8 @@ class FileSearch {
0,
0,
0};
return new VideoThumbnailsWrapper(createDefaultThumbnailList(), framePositions, file);
thumbnailWrapper.setThumbnails(createDefaultThumbnailList(), framePositions);
return;
}
ContentUtils.writeToFile(file, tempFile, progress, null, true);
} catch (IOException ex) {
@ -390,7 +394,8 @@ class FileSearch {
0,
0,
0};
return new VideoThumbnailsWrapper(createDefaultThumbnailList(), framePositions, file);
thumbnailWrapper.setThumbnails(createDefaultThumbnailList(), framePositions);
return;
}
double fps = videoFile.get(5); // gets frame per second
double totalFrames = videoFile.get(7); // gets total frames
@ -401,7 +406,8 @@ class FileSearch {
0,
0,
0};
return new VideoThumbnailsWrapper(createDefaultThumbnailList(), framePositions, file);
thumbnailWrapper.setThumbnails(createDefaultThumbnailList(), framePositions);
return;
}
if (Thread.interrupted()) {
int[] framePositions = new int[]{
@ -409,7 +415,8 @@ class FileSearch {
0,
0,
0};
return new VideoThumbnailsWrapper(createDefaultThumbnailList(), framePositions, file);
thumbnailWrapper.setThumbnails(createDefaultThumbnailList(), framePositions);
return;
}
double duration = 1000 * (totalFrames / fps); //total milliseconds
@ -464,11 +471,13 @@ class FileSearch {
bufferedImage.getRaster().setDataElements(0, 0, matrixColumns, matrixRows, data);
if (Thread.interrupted()) {
return new VideoThumbnailsWrapper(videoThumbnails, framePositions, file);
thumbnailWrapper.setThumbnails(videoThumbnails, framePositions);
return;
}
videoThumbnails.add(ScalrWrapper.resizeFast(bufferedImage, ImageUtils.ICON_SIZE_LARGE));
}
return new VideoThumbnailsWrapper(videoThumbnails, framePositions, file);
thumbnailWrapper.setThumbnails(videoThumbnails, framePositions);
} finally {
videoFile.release(); // close the file}
}

15
Core/src/org/sleuthkit/autopsy/filequery/ResultsPanel.java
View File

@ -19,6 +19,7 @@
package org.sleuthkit.autopsy.filequery;
import com.google.common.eventbus.Subscribe;
import java.awt.Image;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
@ -59,7 +60,7 @@ public class ResultsPanel extends javax.swing.JPanel {
private final EamDb centralRepo;
private int groupSize = 0;
private PageWorker pageWorker;
private final List<SwingWorker> thumbnailWorkers = new ArrayList<>();
private final List<SwingWorker<Void, Void>> thumbnailWorkers = new ArrayList<>();
/**
* Creates new form ResultsPanel.
@ -123,7 +124,7 @@ public class ResultsPanel extends javax.swing.JPanel {
void populateVideoViewer(List<ResultFile> files) {
//cancel any unfished thumb workers
for (SwingWorker thumbWorker : thumbnailWorkers) {
for (SwingWorker<Void, Void> thumbWorker : thumbnailWorkers) {
if (!thumbWorker.isDone()) {
thumbWorker.cancel(true);
}
@ -429,23 +430,23 @@ public class ResultsPanel extends javax.swing.JPanel {
private class VideoThumbnailWorker extends SwingWorker<Void, Void> {
private final ResultFile file;
private VideoThumbnailsWrapper thumbnailWrapper;
private final VideoThumbnailsWrapper thumbnailWrapper;
VideoThumbnailWorker(ResultFile file) {
this.file = file;
thumbnailWrapper = new VideoThumbnailsWrapper(new ArrayList<Image>(), new int[4], file.getAbstractFile());
videoThumbnailViewer.addRow(thumbnailWrapper);
}
@Override
protected Void doInBackground() throws Exception {
thumbnailWrapper = FileSearch.getVideoThumbnails(file.getAbstractFile());
FileSearch.getVideoThumbnails(thumbnailWrapper);
videoThumbnailViewer.repaint();
return null;
}
@Override
protected void done() {
if (!isCancelled()) {
videoThumbnailViewer.addRow(thumbnailWrapper);
}
}
}

9
Core/src/org/sleuthkit/autopsy/filequery/VideoThumbnailsWrapper.java
View File

@ -30,9 +30,9 @@ import org.sleuthkit.datamodel.TskCoreException;
*/
public class VideoThumbnailsWrapper {
private final List<Image> thumbnails;
private List<Image> thumbnails;
private final AbstractFile abstractFile;
private final int[] timeStamps;
private int[] timeStamps;
/**
* Construct a new VideoThumbnailsWrapper.
@ -94,4 +94,9 @@ public class VideoThumbnailsWrapper {
return Collections.unmodifiableList(thumbnails);
}
void setThumbnails(List<Image> videoThumbnails, int[] framePositions) {
this.thumbnails = videoThumbnails;
this.timeStamps = framePositions;
}
}