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在这里面要做什么操作呢,各位有没有做过滤镜的,帮忙指导一下,感激不尽
self.context = [CIContext contextWithEAGLContext:[[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2]]; - (CVPixelBufferRef)cameraStreamingSession:(PLCameraStreamingSession *)session cameraSourceDidGetPixelBuffer:(CVPixelBufferRef)pixelBuffer { CIImage *image = [CIImage imageWithCVImageBuffer:pixelBuffer]; // 使用你自己的过滤器 CIFilter *filter = [CIFilter filterWithName:@"CIHueAdjust" withInputParameters:@{kCIInputImageKey: image, kCIInputAngleKey: @(15.0 / 180 * M_PI)}]; CIImage *outImage = [filter valueForKey:kCIOutputImageKey]; [self.context render:outImage toCVPixelBuffer:pixelBuffer]; return pixelBuffer; }