iOS获取视频第一帧图片

最新推荐文章于 2025-03-06 11:33:25 发布

原创最新推荐文章于 2025-03-06 11:33:25 发布 · 1.1k 阅读

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#ios #视频

NSDictionary *opts = [NSDictionary dictionaryWithObject:[NSNumber numberWithBool:NO]                       forKey:AVURLAssetPreferPreciseDurationAndTimingKey];

AVURLAsset *urlAsset = [AVURLAsset URLAssetWithURL:fileUrl options:opts];

AVAssetImageGenerator *gen = [[AVAssetImageGenerator alloc] initWithAsset:urlAsset];
gen.appliesPreferredTrackTransform = YES;
CMTime time = CMTimeMakeWithSeconds(0.0, 600);
NSError *error = nil;
CMTime actualTime;
CGImageRef image = [gen copyCGImageAtTime:time actualTime:&actualTime error:&error];
UIImage *thumb = [[UIImage alloc] initWithCGImage:image];
CGImageRelease(image);