Add MSMF backend on Windows with DirectShow fallback #570

Job	Run time
Windows Build VS2022 (Release-static)	2m 4s
Windows Build VS2026 (Release-shared)	16s
Windows Build VS2026 (Debug-shared)	17s
Windows Build VS2026 (Debug-static)	2m 20s
Windows Build VS2022 (Release-shared)	2m 48s
Windows Build MinGW (Release-static)	4m 3s
Windows Build MinGW (Debug-shared)	3m 22s
Windows Build VS2022 (Debug-shared)	1m 59s
Windows Build VS2022 (Debug-static)	1m 57s
Windows Build MinGW (Debug-static)	3m 18s
Windows Build VS2026 (Release-static)	17s
Windows Build MinGW (Release-shared)	3m 27s
Windows VS2022 Release - No File Playback	2m 39s
	28m 47s

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