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authorDaniel Gultsch <daniel@gultsch.de>2016-07-11 21:24:33 +0200
committerDaniel Gultsch <daniel@gultsch.de>2016-07-11 21:24:33 +0200
commitbe4aa2afc96b86c89c2fc37735a4b0cf328d7415 (patch)
treea7ec3c89d324c232cad882ae95ff896b2a4e1b36 /src/main/java/eu/siacs
parent01a4d2ea25a0c76f62abc3ca74c0f6d8c7fd835e (diff)
show a preview for video files
Diffstat (limited to 'src/main/java/eu/siacs')
-rw-r--r--src/main/java/eu/siacs/conversations/persistance/FileBackend.java140
1 files changed, 116 insertions, 24 deletions
diff --git a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
index 85b1ac90..d1935a18 100644
--- a/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/FileBackend.java
@@ -10,6 +10,7 @@ import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.RectF;
+import android.media.MediaMetadataRetriever;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
@@ -380,21 +381,43 @@ public class FileBackend {
if (thumbnail != null) {
return thumbnail;
}
- File file = getFile(message);
- BitmapFactory.Options options = new BitmapFactory.Options();
- options.inSampleSize = calcSampleSize(file, size);
- Bitmap fullsize = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
- if (fullsize == null) {
- throw new FileNotFoundException();
+ DownloadableFile file = getFile(message);
+ if (file.getMimeType().startsWith("video/")) {
+ thumbnail = getVideoPreview(file, size);
+ } else {
+ Bitmap fullsize = getFullsizeImagePreview(file, size);
+ if (fullsize == null) {
+ throw new FileNotFoundException();
+ }
+ thumbnail = resize(fullsize, size);
+ thumbnail = rotate(thumbnail, getRotation(file));
}
- thumbnail = resize(fullsize, size);
- thumbnail = rotate(thumbnail, getRotation(file));
this.mXmppConnectionService.getBitmapCache().put(uuid, thumbnail);
}
}
return thumbnail;
}
+ private Bitmap getFullsizeImagePreview(File file, int size) {
+ BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inSampleSize = calcSampleSize(file, size);
+ return BitmapFactory.decodeFile(file.getAbsolutePath(), options);
+ }
+
+ private Bitmap getVideoPreview(File file, int size) {
+ MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
+ metadataRetriever.setDataSource(file.getAbsolutePath());
+ Bitmap frame = metadataRetriever.getFrameAtTime(0);
+ metadataRetriever.release();
+ frame = resize(frame, size);
+ Canvas canvas = new Canvas(frame);
+ Bitmap play = BitmapFactory.decodeResource(mXmppConnectionService.getResources(), R.drawable.play_video);
+ float x = (frame.getWidth() - play.getWidth()) / 2.0f;
+ float y = (frame.getHeight() - play.getHeight()) / 2.0f;
+ canvas.drawBitmap(play,x,y,null);
+ return frame;
+ }
+
public Uri getTakePhotoUri() {
StringBuilder pathBuilder = new StringBuilder();
pathBuilder.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM));
@@ -656,26 +679,95 @@ public class FileBackend {
public void updateFileParams(Message message, URL url) {
DownloadableFile file = getFile(message);
- if (message.getType() == Message.TYPE_IMAGE || file.getMimeType().startsWith("image/")) {
- BitmapFactory.Options options = new BitmapFactory.Options();
- options.inJustDecodeBounds = true;
- BitmapFactory.decodeFile(file.getAbsolutePath(), options);
- int rotation = getRotation(file);
- boolean rotated = rotation == 90 || rotation == 270;
- int imageHeight = rotated ? options.outWidth : options.outHeight;
- int imageWidth = rotated ? options.outHeight : options.outWidth;
- if (url == null) {
- message.setBody(Long.toString(file.getSize()) + '|' + imageWidth + '|' + imageHeight);
- } else {
- message.setBody(url.toString()+"|"+Long.toString(file.getSize()) + '|' + imageWidth + '|' + imageHeight);
+ boolean image = message.getType() == Message.TYPE_IMAGE || file.getMimeType().startsWith("image/");
+ boolean video = message.getMimeType().startsWith("video/");
+ if (image || video) {
+ try {
+ Dimensions dimensions = image ? getImageDimensions(file) : getVideoDimensions(file);
+ if (url == null) {
+ message.setBody(Long.toString(file.getSize()) + '|' + dimensions.width + '|' + dimensions.height);
+ } else {
+ message.setBody(url.toString() + "|" + Long.toString(file.getSize()) + '|' + dimensions.width + '|' + dimensions.height);
+ }
+ return;
+ } catch (NotAVideoFile notAVideoFile) {
+ Log.d(Config.LOGTAG,"file with mime type "+file.getMimeType()+" was not a video file");
+ //fall threw
}
+ }
+ if (url != null) {
+ message.setBody(url.toString()+"|"+Long.toString(file.getSize()));
} else {
- if (url != null) {
- message.setBody(url.toString()+"|"+Long.toString(file.getSize()));
- } else {
- message.setBody(Long.toString(file.getSize()));
+ message.setBody(Long.toString(file.getSize()));
+ }
+
+ }
+
+ private Dimensions getImageDimensions(File file) {
+ BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inJustDecodeBounds = true;
+ BitmapFactory.decodeFile(file.getAbsolutePath(), options);
+ int rotation = getRotation(file);
+ boolean rotated = rotation == 90 || rotation == 270;
+ int imageHeight = rotated ? options.outWidth : options.outHeight;
+ int imageWidth = rotated ? options.outHeight : options.outWidth;
+ return new Dimensions(imageHeight, imageWidth);
+ }
+
+ private Dimensions getVideoDimensions(File file) throws NotAVideoFile {
+ MediaMetadataRetriever metadataRetriever = new MediaMetadataRetriever();
+ metadataRetriever.setDataSource(file.getAbsolutePath());
+ String hasVideo = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_HAS_VIDEO);
+ if (hasVideo == null) {
+ throw new NotAVideoFile();
+ }
+ int rotation = extractRotationFromMediaRetriever(metadataRetriever);
+ boolean rotated = rotation == 90 || rotation == 270;
+ int height;
+ try {
+ String h = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT);
+ height = Integer.parseInt(h);
+ } catch (Exception e) {
+ height = -1;
+ }
+ int width;
+ try {
+ String w = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH);
+ width = Integer.parseInt(w);
+ } catch (Exception e) {
+ width = -1;
+ }
+ metadataRetriever.release();
+ Log.d(Config.LOGTAG,"extracted video dims "+width+"x"+height);
+ return rotated ? new Dimensions(width, height) : new Dimensions(height, width);
+ }
+
+ private int extractRotationFromMediaRetriever(MediaMetadataRetriever metadataRetriever) {
+ int rotation;
+ if (Build.VERSION.SDK_INT >= 17) {
+ String r = metadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION);
+ try {
+ rotation = Integer.parseInt(r);
+ } catch (Exception e) {
+ rotation = 0;
}
+ } else {
+ rotation = 0;
}
+ return rotation;
+ }
+
+ private class Dimensions {
+ public final int width;
+ public final int height;
+
+ public Dimensions(int height, int width) {
+ this.width = width;
+ this.height = height;
+ }
+ }
+
+ private class NotAVideoFile extends Exception {
}