Hello!

I am trying to use libav API with hardware accelaration (CUDA). I need to 
transform an AVFrame with AV_PIX_FMT_CUDA pixel format to the frame with 
AV_PIX_FMT_BGRA pixel format. I tried to create Sws_Context for this purpose (  
my_sws_context = sws_getContext(width, height, AV_PIX_FMT_CUDA , width, height, 
AV_PIX_FMT_BGRA , SWS_BILINEAR, NULL, NULL, NULL) )  but the function always 
return NULL.

What is the best way to do this? Are there some examples?


-- 
С уважением, Ахмед Анам.
Best regards, Akhmed Anam.
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