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Today's Topics:
1. How can I determine the usable resolutions? (Tom & Carla Dedula)
2. Ghost images when detecting motion (pe...@familjensandberg.eu)
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Message: 1
Date: Tue, 27 Apr 2021 12:41:54 -0400
From: "Tom & Carla Dedula" <tomcarl...@gmail.com>
To: Motion discussion list <Motion-user@lists.sourceforge.net>
Subject: [Motion-user] How can I determine the usable resolutions?
Message-ID:
<CAOxDrY51ajheRMbCtg1a5Qt8ncArm=oyc0bxd3225majmuw...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
I am using the Raspberry Pi HQ camera with a Raspberry Pi 4 which has a
sensor resolution of 4056 x 3040. When I use a width of 4056 and height of
3040 I get the error message - ?Failed to create MMAL camera component
vc.ril.camera?. It works fine with a resolution of 2592 x 1944. How can I
tell the allowable resolutions that can be used by motion? Thanks!
...Tom
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Message: 2
Date: Wed, 28 Apr 2021 12:48:46 +0200
From: <pe...@familjensandberg.eu>
To: "'Motion discussion list'" <motion-user@lists.sourceforge.net>
Subject: [Motion-user] Ghost images when detecting motion
Message-ID: <01d201d73c1c$10f60b30$32e22190$@familjensandberg.eu>
Content-Type: text/plain; charset="us-ascii"
Hi,
I have a three-camera setup with a 1280x720 camera connected to a RasPi3+
over WLAN. Motion does a good job detecting motion but the resulting video
is often skipping frames and/or ghosting the moving object. I have tried to
reduce the number of cameras to just one to see if the problem would go away
but it doesn't. I've also tried to stream the video directly to disc using
movie_passthrough to reduce the CPU load.
Is this a lack of performance of the RasPi3? Could you give some hints to
what parameters to tune to avoid this? I know I could reduce resolution but
then the whole point of being able identifying someone on the video goes
away.
/Peter
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