[FFmpeg-user] Meaning of ffprobe output

Moritz Barsnick barsnick at gmx.net
Tue Jan 29 02:32:41 EET 2019


On Mon, Jan 28, 2019 at 22:52:38 +0100, Ulf Zibis wrote:
> > LEDs and LCDs would give you headaches if they displayed alternating lines, as the "afterglow" effect of CRTs, retaining the line's content, is not present.
> 
> If each 2nd line would be empty (black) you may be right, but if the
> intermediate lines are filled with the content of the before frame, you
> have the "afterglow" effect perfectly simulated also on LCD and LED.

Buffering the content of the "before frame" to leave it displayed while
the current frame provides every other line is certainly something I
would call classic "deinterlacing": You are describing a display which
first takes both fields of a frame and combines them to a progressive
one.

Moritz


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