从captureOutput中捕获的帧制作视频：didOutputSampleBuffer：fromConnection

Question

如何从中捕获的帧制作电影 -captureOutput：didOutputSampleBuffer：fromConnection 并保存到照片库？

谢谢。

Answer 1

抱歉，我没有注意到。看到编辑过的答案，也许你觉得它很有用。

- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection {
        CVPixelBufferRef pixelBuffer = (CVPixelBufferRef) CMSampleBufferGetImageBuffer(sampleBuffer);
        CIImage *image = [CIImage imageWithCVPixelBuffer:pixelBuffer];
        [_coreImageContext drawImage:image inRect:[image extent] fromRect:[image extent]];
        [_context presentRenderbuffer:GL_RENDERBUFFER ];
    }