[FFmpeg-user] field order detection - numbering framepositions possible?
christophgerstbauer at gmail.com
Tue Feb 9 15:48:42 CET 2016
I dont want to extract the Metadata from each frame.
I want to analyse the video itself, not its metadata.
In some cases the metadata will not fit to the essence picture.
And for these cases I want to analyse the essence, and print out a
"report" on which timeposition a frame has different field order to the
Am 26.01.2016 um 13:06 schrieb Moritz Barsnick:
> Hi Christoph,
> On Tue, Jan 26, 2016 at 11:36:54 +0100, Christoph Gerstbauer wrote:
>> 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
> I don't think ffmpeg provides the desired statistics, but you could
> extract them yourself.
> The idet filter inserts metadata into each frame as documented here:
> You can use ffprobe to show and analyze the metadata and parse your own
> $ ffprobe -f lavfi -i "movie=infile.avi,idet" -show_frames
> and use ffprobe arguments to show only the interesting fields (frame
> number, tff/bff, statistics) for the desired streams.
> Thinking about it, those "cumulative" values may even be the indicators
> you are looking for. (Not sure.)
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