On Mon, 1 Aug 2022, Hendrik Leppkes wrote:

On Mon, Aug 1, 2022 at 2:36 PM Martin Storsjö <mar...@martin.st> wrote:

The DXGI_OUTDUPL_FRAME_INFO type isn't available in Windows API
subsets other than "desktop", while the IDXGIOutput1 interface is
available for all API subsets.

This fixes compilation for UWP/"Windows Store" configurations (and
older API subsets like Windows Phone).

The entire desktop duplication API is not present on Phone targets
(its called "desktop" duplication afterall). I think it would be
better to check for a primary DDA function, instead of some auxiliary
structure.

FWIW, based on the MSVC error output (http://fate.ffmpeg.org/log.cgi?log=compile&slot=arm-msvc2019-phone&time=20220730152801), the only hard errors it listed were the undefined types (DXGI_OUTDUPL_POINTER_SHAPE_INFO and DXGI_OUTDUPL_FRAME_INFO) - but I presume that IDXGIOutputDuplication_AcquireNextFrame and IDXGIOutputDuplication_ReleaseFrame could be good candidates for checking too - I don't see anything else in that error log that one could check for?

// Martin
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