Christoph Gerstbauer wrote:
As we know it is possible to detect field orders with ffmpeg:
ffmpeg -i <INPUT_FILE> -vf idet -f rawvideo -y NUL
Example Output:
[Parsed_idet_0 @ 003ea220] Single frame detection: TFF:0 BFF:153
Progressive:0 Undetermined:0 [Parsed_idet_0 @ 003ea220] Multi frame
detection: TFF:0 BFF:153 Progressive:0 Undetermined:0
Is it possible to MARK the framenumbers to its detected field orders?
Via framenumber or timestamp? Or to search a "known" TFF content for
BFF frames? To force the output to lines like: Found BFF frames at
position X
(https://ffmpeg.org/pipermail/ffmpeg-user/2014-October/023995.html)
Not sure I would trust idet to call everything right, but then maybe the
fail case I vaguely remember was some artificial/genetated sample.
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