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try fix memory issue when decoding is too slow

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Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou 2023-02-10 18:26:23 +08:00
parent a313d7579d
commit 07b86bee8e
1 changed files with 9 additions and 0 deletions
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9
flutter/lib/models/model.dart
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@ -415,6 +415,8 @@ class ImageModel with ChangeNotifier {
String id = ''; String id = '';
int decodeCount = 0;
WeakReference<FFI> parent; WeakReference<FFI> parent;
final List<Function(String)> _callbacksOnFirstImage = []; final List<Function(String)> _callbacksOnFirstImage = [];
@ -434,7 +436,13 @@ class ImageModel with ChangeNotifier {
} }
} }
} }
if (decodeCount >= 1) {
return;
}
final pid = parent.target?.id; final pid = parent.target?.id;
decodeCount += 1;
ui.decodeImageFromPixels( ui.decodeImageFromPixels(
rgba, rgba,
parent.target?.ffiModel.display.width ?? 0, parent.target?.ffiModel.display.width ?? 0,
@ -442,6 +450,7 @@ class ImageModel with ChangeNotifier {
isWeb ? ui.PixelFormat.rgba8888 : ui.PixelFormat.bgra8888, (image) { isWeb ? ui.PixelFormat.rgba8888 : ui.PixelFormat.bgra8888, (image) {
if (parent.target?.id != pid) return; if (parent.target?.id != pid) return;
try { try {
decodeCount -= 1;
// my throw exception, because the listener maybe already dispose // my throw exception, because the listener maybe already dispose
update(image); update(image);
} catch (e) { } catch (e) {