FFmpeg disables Window Desktop Manager in my app

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I render video using DirectShow & FFmpeg in my app. FFmpeg is only used for decoding of MPEG4/Part2 frames (custom decoder filter). My app does not play audio (only video).

When I lock my PC (Win7 Pro 64bit) with Win+L and then unlock it Windows brings me the following message: "The color scheme has been changed. The following program has performed an action that requires Windows to temporarily change the color scheme to Windows 7 Basic. . Windows will automatically change the color scheme back to Windows Aero when this program or other programs performing similar actions are no longer running."

I have a possibility of using another custom decoder filter which was developed without FFmpeg, and using it Windows does not show such messages to me.

My main question: Why this message appears after unlocking?

P.S. I'm using ffmpeg mpeg4 decoder, sws_scale from RGB23 to YUV420p. FFmpeg was built only with mpeg4 decoder/encoder, everything else was disabled.

asked 1 min ago

Sergey

1

FFmpeg disables Window Desktop Manager in my app