crop thumbnails in video list

vlc-android/src/org/videolan/vlc/ThumbnailerManager.java

@@ -128,6 +128,7 @@ public class ThumbnailerManager extends Thread {
                 continue;
 
             thumbnail.copyPixelsFromBuffer(ByteBuffer.wrap(b));
+            thumbnail = Util.cropBorders(thumbnail, width, height);
 
             Log.i(TAG, "Thumbnail created!");
 

vlc-android/src/org/videolan/vlc/Util.java

@@ -99,6 +99,33 @@ public class Util {
         return bitmap;
     }
 
+    public static Bitmap cropBorders(Bitmap bitmap, int width, int height)
+    {
+        int top = 0;
+        for (int i = 0; i < height; i++) {
+            int pixel = bitmap.getPixel(width / 2, i);
+            if (pixel == 0 || pixel == -16777216) {
+                top = i;
+            } else {
+                break;
+            }
+        }
+
+        int left = 0;
+        for (int i = 0; i < width; i++) {
+            int pixel = bitmap.getPixel(i, height / 2);
+            if (pixel == 0 || pixel == -16777216) {
+                left = i;
+            } else {
+                break;
+            }
+        }
+
+        // Cut off the transparency on the borders
+        return Bitmap.createBitmap(bitmap, left, top,
+                (width - (2 * left)), (height - (2 * top)));
+    }
+
     public static String getValue(Context context, String string, int defaultId)
     {
         return (string != null && string.length() > 0) ? string : context.getString(defaultId);

vlc-android/src/org/videolan/vlc/gui/video/MediaInfoActivity.java

@@ -97,29 +97,7 @@ public class MediaInfoActivity extends ListActivity {
                 return;
 
             mImage.copyPixelsFromBuffer(ByteBuffer.wrap(b));
-            int top = 0;
-            for (int i = 0; i < height; i++) {
-                int pixel = mImage.getPixel(width / 2, i);
-                if (pixel == 0 || pixel == -16777216) {
-                    top = i;
-                } else {
-                    break;
-                }
-            }
-
-            int left = 0;
-            for (int i = 0; i < width; i++) {
-                int pixel = mImage.getPixel(i, height / 2);
-                if (pixel == 0 || pixel == -16777216) {
-                    left = i;
-                } else {
-                    break;
-                }
-            }
-
-            // Cut off the transparency on the borders
-            mImage = Bitmap.createBitmap(mImage, left, top,
-                    (width - (2 * left)), (height - (2 * top)));
+            mImage = Util.cropBorders(mImage, width, height);
 
             mHandler.sendEmptyMessage(NEW_IMAGE);
         }