Try digging into https://github.com/linux-sunxi/linux-sunxi/blob/sunxi-3.4/include/video/sunxi_disp_ioctl.h to see what params __disp_scaler_para_t can contain. The only way to find this out will be reading source code imho.
Regards

Am 30.07.2014 12:51, schrieb li:
Hi all,

jemk told me http://linux-sunxi.org/Sunxi_disp_driver_interface/IOCTL#Scaler_IOCTLs can be used to convert YUV to RGB, but i don't know how to set the scaler parameter, does anyone have a demo? please give me a help, thank you very much.

Best Regards,
stone



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