On 03/30/2020 05:25 AM, Gabriele Greco wrote:
Hi guys,
Just wondering if there is a way to merge multiple files without re
encoding using the concat format (-f concat) when one or more of the files
are recorded with a mobile device using an upside/down orientation (rotate
metadata to 180).
If it's not possible, as i guess, there is a way to set the rotate metadata
not at file level but to handle it from a certain offset in the file so
that after the result file of the concat operation could then be used to
encode a video with a proper rotation for the whole length
Questions:
Are the "multiple files" a fixed number of files or variable?
Is the "upside/down orientation" something you want to do (or undo) or is it just what you have and
want?
If the files are merged, should they paneled or should they simply overlay each
other?
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