From 037efe2d010f7983cb83879850e276af38d57a80 Mon Sep 17 00:00:00 2001
From: ritsuka <damiog@gmail.com>
Date: Tue, 3 Dec 2013 17:01:56 +0000
Subject: MacGUI: Release the cached images when the preview window is closed.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5912 b64f7644-9d1e-0410-96f1-a4d463321fa5
---
 macosx/HBPreviewController.m | 3 ++-
 macosx/HBPreviewGenerator.h  | 2 +-
 macosx/HBPreviewGenerator.m  | 5 +++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/macosx/HBPreviewController.m b/macosx/HBPreviewController.m
index 8cca74037..9d9d2c6fd 100644
--- a/macosx/HBPreviewController.m
+++ b/macosx/HBPreviewController.m
@@ -283,6 +283,7 @@ typedef enum ViewMode : NSUInteger {
         [self stopMovieTimer];
     }
 
+    [self.generator purgeImageCache];
     [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"PreviewWindowIsOpen"];
 }
 
@@ -634,7 +635,7 @@ typedef enum ViewMode : NSUInteger {
 {
     hb_title_t *title = self.title;
 
-    NSImage *fPreviewImage = [self.generator imageAtIndex:self.pictureIndex];
+    NSImage *fPreviewImage = [self.generator imageAtIndex:self.pictureIndex shouldCache:YES];
     NSSize imageScaledSize = [fPreviewImage size];
     [self.pictureLayer setContents:fPreviewImage];
 
diff --git a/macosx/HBPreviewGenerator.h b/macosx/HBPreviewGenerator.h
index e17114c45..438d078aa 100644
--- a/macosx/HBPreviewGenerator.h
+++ b/macosx/HBPreviewGenerator.h
@@ -22,7 +22,7 @@
 - (id) initWithHandle: (hb_handle_t *) handle andTitle: (hb_title_t *) title;
 
 /* Still image generator */
-- (NSImage *) imageAtIndex: (NSUInteger) index;
+- (NSImage *) imageAtIndex: (NSUInteger) index shouldCache: (BOOL) cache;
 - (NSUInteger) imagesCount;
 - (void) purgeImageCache;
 
diff --git a/macosx/HBPreviewGenerator.m b/macosx/HBPreviewGenerator.m
index 99ca20f86..25a7ec344 100644
--- a/macosx/HBPreviewGenerator.m
+++ b/macosx/HBPreviewGenerator.m
@@ -52,7 +52,7 @@ typedef enum EncodeState : NSUInteger {
  *
  * @param index picture index in title.
  */
-- (NSImage *) imageAtIndex: (NSUInteger) index
+- (NSImage *) imageAtIndex: (NSUInteger) index shouldCache: (BOOL) cache
 {
     if (index >= self.imagesCount)
         return nil;
@@ -67,7 +67,8 @@ typedef enum EncodeState : NSUInteger {
                                                      libhb:self.handle
                                                      title:self.title
                                                deinterlace:self.deinterlace];
-        [self.picturePreviews setObject:theImage forKey:@(index)];
+        if (cache)
+            [self.picturePreviews setObject:theImage forKey:@(index)];
     }
 
     return theImage;
-- 
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