Enable grabbing of files as png with alpha channel

ffmpeginteropx / FFmpegInteropX

FFmpeg decoding library for Windows 10 UWP and WinUI 3 Apps

Apache License 2.0

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Enable grabbing of files as png with alpha channel #313

Closed lukasf closed 2 years ago

lukasf commented 2 years ago

The FrameGrabber will now correctly transport the alpha channel to encoders. Only the PNG encoder supports alpha. Samples were updated to allow output file format selection.