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vs demo not work without VFDC module.

Jeff Gu
Intellectual 295 points

I'm working on SDK05_00_00_11, the vs demo, which relies on OpenMAX.

My application will have the chain as :

Video Capture(VFCC) -> Video Deinterlace(VFDEI)->Video Encoder(VENC)  -> Storage/streaming(CMUX).

Therefore I'm trying to get rid of the other components of vs demo(such as Display(VFDC) and Scaler(VFPSC)).

But the current problem is that: I cannot make the chain work until the Display(VFDC) is added into this chain. If I don't add the VFDC module, the log show system works correctly, it can set all components to idle and then to executing, but I do not get any callback in CMUX. 

Also I would like to know which component will trigger the system work frame by frame. Is that the video source? or any video sink?

Thank  you.

Jeff