Hi, I have a Leadtek capture card that provides DirectShow output. I managed to record video in multiple resolutions using the command line ffmpeg tool by providing the "-s widthXheight" option. Unfortunately I could not replicate the results from code: it always captures with the default 320x200 resolution. I tried calling av_opt_set_image_size() & av_opt_set() with the "image_size" option on the input format context struct before & after opening the codec, but it didn't work. I couldn't find any documentation whatsoever on this feature. Does anyone know how this supposed to work?
(I'm on WinXP with Visual Studio 2010, the card is a Leadtek WinFast VC100) Thank you in advance, -Attila
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