Re: Deinterlacing QTCaptureDecompressedVideoOutput

2008-03-06 Thread Bram Loogman
Hi Robert, I just tried to save the captured image to a mov file with the length of one frame and than open it as a QTMovie and export it again as an jpeg. When I look at the QTMovie the image it's ok, but the exported image looks the same as the image captured with an image buffer. The strange th

Re: Deinterlacing QTCaptureDecompressedVideoOutput

2008-03-05 Thread Robert Douglas
I ran in to a similar problem while analyzing incoming HDV images and I didn't find any simple solution. My approach now is to create a second CVPixelBuffer with half the number of lines and copy every second line into that buffer. Or two buffers to get better temporal resolution. I ha

Deinterlacing QTCaptureDecompressedVideoOutput

2008-03-05 Thread Bram Loogman
Hi, When I use QTCaptureDecompressedVideoOutput to capture a still image from a QTCaptureSession with a DV camera as input device, the image is interlaced. Which looks very ugly for moving objects. I basically use the code from the 'Creating a QTKit Stop or Still Motion Application' tutorial in th