[SDL] SDL Surface Problem, need help

zhiqiang xiao zhiqiang709 at yahoo.com.cn
Wed Nov 16 01:18:39 PST 2005


   hi all:
     I am developing a DVR surveillance system under the linux system . to display the YUY2 data 
   i need to  create 4 YUY2 Surface (each one is 352*288) in the system memory ,and a Overlay(704*576) on the video memory. then blit the 4 YUY2 surface to the YUY2 overlay(use 4 thread). and display the overlay.
  the problom is ,SDL can create the overlay i wanted ,but has no function to create YUV surface .
    any one has suggestion what lib shoud i use solve this ?
  
   i also tried the sdlyuvaddon  ,to create 4 YV12 surface ,and blit ,by use this way, it can work on 640*480 ,but in 800*600, it's come out a error, in SDL_BlitOverlay....

		
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