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我想在視頻文件上疊加圖像,它正在工作,但圖像在視頻上被破壞。IOS SDK +在視頻問題上疊加圖像
疊加圖像:
雖然我如下處理視頻後得到視頻:
我的代碼如下:
CGSize videoSize = [clipVideoTrack naturalSize];
UIImage *myImage = [UIImage imageNamed:@"f1.png"];
CALayer *aLayer = [CALayer layer];
aLayer.contents = (id)myImage.CGImage;
aLayer.frame = CGRectMake(0, 0, videoSize.width,videoSize.height);
aLayer.opacity = 1;
CALayer *parentLayer = [CALayer layer];
CALayer *videoLayer = [CALayer layer];
parentLayer.frame = CGRectMake(0, 0, videoSize.width,videoSize.height);
videoLayer.frame = CGRectMake(0, 0, videoSize.width,videoSize.height);
[parentLayer addSublayer:videoLayer];
[parentLayer addSublayer:aLayer];
請幫我解決這個問題,所以我將能夠在視頻上疊加適當的圖像。
由於
與更大(雙重或特里普爾)尺寸比實際幀大小
使用「f1.png」圖像 –