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Comments (1)

tsogzark avatar tsogzark commented on June 14, 2024

I am using this library to solve the problem that react-native-view-shot cannot capture video screen shot on IOS.
And I encountered the qulaity problem, too.
This is my solution and you can use patch-package to apply it.

diff --git a/node_modules/react-native-create-thumbnail/ios/CreateThumbnail.m b/node_modules/react-native-create-thumbnail/ios/CreateThumbnail.m
index 7c6879e..f20b25d 100644
--- a/node_modules/react-native-create-thumbnail/ios/CreateThumbnail.m
+++ b/node_modules/react-native-create-thumbnail/ios/CreateThumbnail.m
@@ -113,7 +113,7 @@ - (void) cleanDir:(NSString *)path forSpace:(unsigned long long)size {
 - (void) generateThumbImage:(AVURLAsset *)asset atTime:(int)timeStamp completion:(void (^)(UIImage* thumbnail))completion failure:(void (^)(NSError* error))failure {
     AVAssetImageGenerator *generator = [[AVAssetImageGenerator alloc] initWithAsset:asset];
     generator.appliesPreferredTrackTransform = YES;
-    generator.maximumSize = CGSizeMake(512, 512);    
+    generator.maximumSize = CGSizeMake(4096, 4096);    
     generator.requestedTimeToleranceBefore = CMTimeMake(0, 1000);
     generator.requestedTimeToleranceAfter = CMTimeMake(0, 1000);
     CMTime time = CMTimeMake(timeStamp, 1000);

from react-native-create-thumbnail.

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