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Today's Topics:
1. ffmpeg options (Jack Snodgrass)
2. Re: ffmpeg options ([email protected])
3. suggestions to reduce false positives for motion events
(Jack Snodgrass)
----------------------------------------------------------------------
Message: 1
Date: Sat, 20 Jun 2020 10:46:56 -0500
From: Jack Snodgrass <[email protected]>
To: [email protected]
Subject: [Motion-user] ffmpeg options
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
I have the 4.3.1 motion package installed ( Fedora 32, from the
rpmfusion archive )
there isn't a lot ( any ) mention of ffmpeg in the /etc/motion/* files.
I used a rtps://address link that gets data from an ip camera with a
rtsp port active.
The output movie that is created automatically is:
ffmpeg -i reports:
Input #0, matroska,webm, from
'/opt/motion/CAM01_101-205-20200619170942.mkv':
? Metadata:
??? ENCODER???????? : Lavf58.29.100
? Duration: 00:00:57.12, start: 0.000000, bitrate: 8595 kb/s
??? Stream #0:0: Video: h264 (Constrained Baseline),
yuv420p(progressive), 1920x1072, 15.17 fps, 29.75 tbr, 1k tbn, 30 tbc
(default)
??? Metadata:
????? DURATION??????? : 00:00:57.120000000
I am assuming ffmpeg is used to create this .mkv file.
If that's the case... where can I find the parameters that were used and
adjust them.
I see that there are ( undocumented in the /etc/motion/* files I have )
ffmpeg options.. but it would be nice to know what options were used and
adjust from there.
Thanks - jack
--
*jack* - Southlake Texas - http://mylinuxguy.net <http://mylinuxguy.net/>
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Message: 2
Date: Sat, 20 Jun 2020 17:34:12 +0100
From: <[email protected]>
To: "'Motion discussion list'" <[email protected]>
Subject: Re: [Motion-user] ffmpeg options
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
I too would be interested in where these parameters are set. I have a problem
post-processing motion?s .mkv videos as the header information appears to give
incorrect frame-rate info and subsequent processing by ffmpeg (to crop/size)
fails as a result.
Thanks in advance
Martin
From: Jack Snodgrass <[email protected]>
Sent: 20 June 2020 16:47
To: [email protected]
Subject: [Motion-user] ffmpeg options
I have the 4.3.1 motion package installed ( Fedora 32, from the rpmfusion
archive )
there isn't a lot ( any ) mention of ffmpeg in the /etc/motion/* files.
I used a rtps://address link that gets data from an ip camera with a rtsp port
active.
The output movie that is created automatically is:
ffmpeg -i reports:
Input #0, matroska,webm, from '/opt/motion/CAM01_101-205-20200619170942.mkv':
Metadata:
ENCODER : Lavf58.29.100
Duration: 00:00:57.12, start: 0.000000, bitrate: 8595 kb/s
Stream #0:0: Video: h264 (Constrained Baseline), yuv420p(progressive),
1920x1072, 15.17 fps, 29.75 tbr, 1k tbn, 30 tbc (default)
Metadata:
DURATION : 00:00:57.120000000
I am assuming ffmpeg is used to create this .mkv file.
If that's the case... where can I find the parameters that were used and adjust
them.
I see that there are ( undocumented in the /etc/motion/* files I have ) ffmpeg
options.. but it would be nice to know what options were used and adjust from
there.
Thanks - jack
--
jack - Southlake Texas - http://mylinuxguy.net <http://mylinuxguy.net/>
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Message: 3
Date: Sat, 20 Jun 2020 12:26:24 -0500
From: Jack Snodgrass <[email protected]>
To: 'Motion discussion list' <[email protected]>
Subject: [Motion-user] suggestions to reduce false positives for
motion events
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
I am using a rtsp device.... its' a Swann - SWWHD-PTCAM ( or just PTCAM
) that works with:
netcam_url rtsp://userid:[email protected]
I've only been testing with it a day. I got some good movie captures of
a wet skunk getting out of the rain on my porch last night.? I got a lot
of false-positive movie captures too.
I don't see any movement on the video.. but I got a video recorded.
I have set the camera about 8' up in my front porch vestibule. It's a
smallish, fixed area that its looking at:
I changed the default motion stuff to:
# Threshold for number of changed pixels that triggers motion.
##threshold 1500
threshold 3000
# Noise threshold for the motion detection.
##; noise_level 32
noise_level 64
# Despeckle the image using (E/e)rode or (D/d)ilate or (l)abel.
despeckle_filter EedDl
# Number of images that must contain motion to trigger an event.
##minimum_motion_frames 1
minimum_motion_frames 15
# Gap in seconds of no motion detected that triggers the end of an event.
event_gap 60
# The number of pre-captured (buffered) pictures from before motion.
##pre_capture 3
pre_capture 10
# Number of frames to capture after motion is no longer detected.
##post_capture 0
post_capture 10
but that doesn't seem to help.
Is there something else I can do to only capture motion events when I
have some actual motion?
I don't know if there are better streams to use then an rtsp one... I
might be able to get a mjpeg thing out of the camera.
Does anyone have any suggestions for settings to try?
- jack
--
*jack* - Southlake Texas - http://mylinuxguy.net
<http://mylinuxguy.net/> - [email protected]
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