void *pxdata = CVPixelBufferGetBaseAddress(pxbuffer);
- (CVPixelBufferRef)CVPixelBufferRef { CGSize size = self.frame.size; NSDictionary *options = @{(NSString*)kCVPixelBufferCGImageCompatibilityKey : @YES, (NSString*)kCVPixelBufferCGBitmapContextCompatibilityKey : @YES, (NSString*)kCVPixelBufferIOSurfacePropertiesKey: [NSDictionary dictionary]}; CVPixelBufferRef pxbuffer = NULL; CGFloat frameWidth = size.width; CGFloat frameHeight = size.height; CVReturn status = CVPixelBufferCreate(kCFAllocatorDefault, frameWidth, frameHeight, kCVPixelFormatType_32ARGB, (__bridge CFDictionaryRef) options, &pxbuffer); NSParameterAssert(status == kCVReturnSuccess && pxbuffer != NULL); CVPixelBufferLockBaseAddress(pxbuffer, 0); void *pxdata = CVPixelBufferGetBaseAddress(pxbuffer); NSParameterAssert(pxdata != NULL); CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(pxdata, size.width, size.height, 8, CVPixelBufferGetBytesPerRow(pxbuffer), rgbColorSpace, kCGImageAlphaPremultipliedFirst); NSParameterAssert(context); CGContextConcatCTM(context, CGAffineTransformMakeRotation(0)); CGAffineTransform flipVertical = CGAffineTransformMake( 1, 0, 0, -1, 0, frameHeight); CGContextConcatCTM(context, flipVertical); // CGAffineTransform flipHorizontal = CGAffineTransformMake( -1.0, 0.0, 0.0, 1.0, frameWidth, 0.0 ); // CGContextConcatCTM(context, flipHorizontal); [self.webView.layer renderInContext:context]; CGColorSpaceRelease(rgbColorSpace); CGContextRelease(context); CVPixelBufferUnlockBaseAddress(pxbuffer, 0); return pxbuffer; }
这或许不是最好的方法, 但目前确实解决了燃眉之急, 分享出来, 为有同样需求的小伙伴提供一条方案, 或者小伙伴有更好的方法, 分享出来, 大家可以学习交流一下
或者上我的简书
来源：博客园
作者：jessonliu
链接：https://www.cnblogs.com/Unclefeng/p/11425460.html