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fix some image reading bugs, to preserve animated gifs, and contain failure to read swf files.

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This commit is contained in:
jmillman 2016-01-12 16:29:11 -05:00
parent 1a0001c911
commit 55381fd9be
2 changed files with 21 additions and 11 deletions
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24
Core/src/org/sleuthkit/autopsy/coreutils/ImageUtils.java
View File

@ -429,6 +429,7 @@ public class ImageUtils {
String cacheDirectory = Case.getCurrentCase().getCacheDirectory();
return Paths.get(cacheDirectory, "thumbnails", fileID + ".png").toFile(); //NOI18N
} catch (IllegalStateException e) {
LOGGER.log(Level.WARNING, "Could not get cached thumbnail location. No case is open.");
return null;
}
@ -656,6 +657,10 @@ public class ImageUtils {
@Override
protected javafx.scene.image.Image call() throws Exception {
if (isGIF(file)) {
return readImage();
}
// If a thumbnail file is already saved locally, just read that.
if (cacheFile != null && cacheFile.exists()) {
try {
@ -670,18 +675,21 @@ public class ImageUtils {
//There was no correctly-sized cached thumbnail so make one.
BufferedImage thumbnail = null;
if (VideoUtils.isVideoThumbnailSupported(file)) {
if (openCVLoaded) {
updateMessage(Bundle.GetOrGenerateThumbnailTask_generatingPreviewFor(file.getName()));
thumbnail = VideoUtils.generateVideoThumbnail(file, iconSize);
} else if (defaultOnFailure) {
thumbnail = DEFAULT_THUMBNAIL;
} else {
throw new IIOException("Failed to read image for thumbnail generation.");
}
if (null == thumbnail) {
if (defaultOnFailure) {
thumbnail = DEFAULT_THUMBNAIL;
} else {
throw new IIOException("Failed to read image for thumbnail generation.");
}
}
} else {
//read the image into abuffered image.
//read the image into a buffered image.
BufferedImage bufferedImage = SwingFXUtils.fromFXImage(readImage(), null);
if (null == bufferedImage) {
LOGGER.log(Level.WARNING, FAILED_TO_READ_IMAGE_FOR_THUMBNAIL_GENERATION);
@ -717,9 +725,10 @@ public class ImageUtils {
updateProgress(-1, 1);
//if we got a valid thumbnail save it
if (cacheFile != null && nonNull(thumbnail) && DEFAULT_THUMBNAIL != thumbnail) {
if ((cacheFile != null) && nonNull(thumbnail) && DEFAULT_THUMBNAIL != thumbnail) {
saveThumbnail(thumbnail);
}
return SwingFXUtils.toFXImage(thumbnail, null);
}
@ -875,6 +884,7 @@ public class ImageUtils {
protected void failed() {
super.failed();
LOGGER.log(Level.WARNING, IMAGE_IO_COULD_NOT_READ_UNSUPPORTE_OR_CORRUPT + ": " + ObjectUtils.toString(getException()), ImageUtils.getContentPathSafe(file));
// Exceptions.printStackTrace(getException());
}
@Override

8
Core/src/org/sleuthkit/autopsy/coreutils/VideoUtils.java
View File

@ -43,8 +43,8 @@ import org.sleuthkit.datamodel.AbstractFile;
*/
public class VideoUtils {
private static final List<String> SUPPORTED_VIDEO_EXTENSIONS
= Arrays.asList("mov", "m4v", "flv", "mp4", "3gp", "avi", "mpg",
private static final List<String> SUPPORTED_VIDEO_EXTENSIONS =
Arrays.asList("mov", "m4v", "flv", "mp4", "3gp", "avi", "mpg",
"mpeg", "asf", "divx", "rm", "moov", "wmv", "vob", "dat",
"m1v", "m2v", "m4v", "mkv", "mpe", "yop", "vqa", "xmv",
"mve", "wtv", "webm", "vivo", "vc1", "seq", "thp", "san",
@ -58,7 +58,7 @@ public class VideoUtils {
"flm", "tmv", "4xm"); //NON-NLS
private static final SortedSet<String> SUPPORTED_VIDEO_MIME_TYPES = new TreeSet<>(
Arrays.asList("application/x-shockwave-flash", "video/x-m4v", "video/quicktime", "video/avi", "video/msvideo", "video/x-msvideo",
Arrays.asList("application/x-shockwave-flash", "video/x-m4v", "video/x-flv", "video/quicktime", "video/avi", "video/msvideo", "video/x-msvideo",
"video/mp4", "video/x-ms-wmv", "video/mpeg", "video/asf")); //NON-NLS
private static final List<String> CONDITIONAL_MIME_TYPES = Arrays.asList("application/octet-stream");
@ -160,6 +160,6 @@ public class VideoUtils {
videoFile.release(); // close the file
return bufferedImage == null ? bufferedImage : ScalrWrapper.resizeFast(bufferedImage, iconSize);
return bufferedImage == null ? null : ScalrWrapper.resizeFast(bufferedImage, iconSize);
}
}