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Today's Topics:
1. Keystone correction (Nicholas Robinson)
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Message: 1
Date: Sun, 3 May 2020 12:35:52 +0100
From: Nicholas Robinson <[email protected]>
To: [email protected]
Subject: [Motion-user] Keystone correction
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
Hi
I would like to correct the keystone effect caused by having to place my camera
in a slightly awkward position.
I?ve played around with FFmpeg and it works very nicely with the perspective
filter. I have tried to find a way of piping the frames captured by motion into
FFmpeg so that the corrected image is displayed on the webcam but no success so
far. The FFmpeg filter options only appear to work with outputting the video to
files. I?ve also tried using FFMPeg to stream video using UDP but although I
can use ffplay to capture the stream on local and remote machines, I haven?t
found a way of getting motion to use this as a netcam video source.
Is there an easy way of doing this?
Thanks
Nick
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