视频录制时如何接收字节 [英] How to receive bytes when video is recording

问题描述

我正在开发iphone视频应用程序，因为我想在用户录制视频时获取磁盘占用的字节数。

i am developing iphone video app,in that i want to get bytes occupied in disk when user is recording the video itself .

- (void)imagePickerController:(UIImagePickerController *)picker 
didFinishPickingMediaWithInfo:(NSDictionary *)info;

用户完成挑选后调用此方法。有任何方法

this method is called after user is finished picking.is there any method

推荐答案

UIImage *img = [UIImage imageNamed:@"sample.png"];
 NSData *imgData = UIImageJPEGRepresentation(img, 0); 
 NSLog(@"Size of Image(bytes):%d",[imgData length]);

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