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dm365 capture and display with vesa standard

Other Parts Discussed in Thread: THS8200, TVP7002

hi,all

    I have an application with dm365 capture and display video with vesa standard though VGA port of pc.My application use TVP7002 to capture ,use THS8200 to display via digital ports.Now I modify DVSDK-DEMOS、DMAI and TVP7002 driver,it work fine with 1280x720x60,but it not work with 1024x768x60 and 1280x800x60.I find dmai cann't return in  VIDIOC_DQBUF syscall,and also haven't  dma interrupt .I use DVSDK 4.01.who can help me? Others, how digital output convert from YUV420SEMI to rgb565,is use ccv?