• Mark Thompson's avatar
    lavfi: Hardware map filter · 124e2697
    Mark Thompson authored
    Takes a frame associated with a hardware context as input and maps it
    to something else (another hardware frame or normal memory) for other
    processing.  If the frame to map was originally in the target format
    (but mapped to something else), the original frame is output.
    
    Also supports mapping backwards, where only the output has a hardware
    context.  The link immediately before will be supplied with mapped
    hardware frames which it can write directly into, and this filter
    then unmaps them back to the actual hardware frames.
    124e2697
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