A few questions regardin video processing

[letkan]

Here's my setup:
I have a pi camera v3 attached to a pi zero 2w streaming via http (picamera2) to a pi 5 running motion. Once motion processed the video it uploads it to cloud with the help of rclone.

I'm getting in the log file:

1. The network camera is sending pictures at 854x480 resolution but config is 856x480. If possible change the netcam or config so that the image height and width are the same to lower the CPU usage. . Both camera and config are set at 854x480 as per pi camera v3 documentation. I tried setting both at 856x480 but then camera gets stuck after a few frames. How serious is this discrepancy in practical terms?
2. What is the difference between on_event_end and on_movie_end ? I'm asking because I've noticed that for each motion detected video saved I end up with 3 files. I set the naming to movie_filename %{movienbr}-%v-%Y-%m-%d-%H:%M:%S so for each video the files are 1-01*, 2-01*, 3-01*, most likely necessary for processing the motion. I'm wondering why are 2-01*, 3-01* still saved at the end? Which is why I want to know which of on_event_end and on_movie_end actually means end of processing so that I can upload to cloud the finished video and also delete 2-01*, 3-01*.
   I hope I was clear enough..

[Mr-Dave]

The network camera is sending pictures at 854x480 resolution but config is 856x480. If possible change the netcam or config so that the image height and width are the same to lower the CPU usage. . Both camera and config are set at 854x480 as per pi camera v3 documentation. I tried setting both at 856x480 but then camera gets stuck after a few frames. How serious is this discrepancy in practical terms?

It depends upon the system running Motion and processing the images. As the message indicates, Motion is having to resize all the images which takes up a lot of CPU.

What is the difference between on_event_end and on_movie_end ? I'm asking because I've noticed that for each motion detected video saved I end up with 3 files. I set the naming to movie_filename %{movienbr}-%v-%Y-%m-%d-%H:%M:%S so for each video the files are 1-01*, 2-01*, 3-01*, most likely necessary for processing the motion. I'm wondering why are 2-01*, 3-01* still saved at the end? Which is why I want to know which of on_event_end and on_movie_end actually means end of processing so that I can upload to cloud the finished video and also delete 2-01*, 3-01*.

An event can contain multiple movies. The "on" items are triggered at the end of each which could be different times. Regarding the movienbr, that is the movie number within an event. So for your example there were three movies for event 01. Perhaps a better way of specifying the file name would be %v-%{movienbr}-%Y-%m-%d-%H:%M:%S instead of %{movienbr}-%v-%Y-%m-%d-%H:%M:%S This way your event numbers would be grouped together. (The movie number gets reset to 1 for each event)

[letkan]

Thanks for replying, I set the camera at 856x480 and the warning is gone.

[letkan]

@Mr-Dave, as you may have figured out, all of the above problems I was having were with Motion v5. Another one for which I couldn't find a solution for is the fact that no mater what value I give to post_capture I always end up with a huge number of frames after motion, practically more then half of a movie is post_capture no-motion frames.
Out of curiosity I installed v4.7.1 and used the same settings and post_capture works as expected. These are my settings:

threshold 1500
threshold_maximum 0
threshold_tune on
noise_level 45
despeckle_filter EedDl

minimum_motion_frames 3
event_gap 90
pre_capture 3
post_capture 6  # I changed this from 1 to 10 with no change in v5

I don't mind using v4.7.x except for the fact that I like to customize the web interface

[Mr-Dave]

Did you specify movie_all_frames to off?

[letkan]

I did not, that setting isn't listed in Documentation.
Here's the complete conf file:

daemon off
log_file /usr/var/lib/motion/motion.log
log_level 7
log_type ALL

locate_motion_mode on
locate_motion_style redbox

text_right %Y-%m-%d\n%T
text_scale 2
text_changes on

threshold 1500
threshold_maximum 0
threshold_tune on
noise_level 45
despeckle_filter EedDl

minimum_motion_frames 3
event_gap 90
pre_capture 3
post_capture 5
emulate_motion off
picture_output off

movie_output on
movie_max_time 90
movie_quality 50
movie_container mp4
movie_filename %{movienbr}-%v-%Y-%m-%d-%H:%M:%S

webcontrol_port 8085
webcontrol_localhost off
webcontrol_parms 2
webcontrol_interface user
webcontrol_html custom-view.html
stream_preview_ptz off
webcontrol_auth_method basic
webcontrol_authentication admin:admin

stream_preview_method mjpg
stream_preview_newline on
stream_quality 50
stream_motion 1

camera /usr/var/lib/motion/camera-wifi.conf

and camera-wifi.conf only has width, height, netcam_url and target_dir

[letkan]

I just looked in the log file and movie_all_frames is set to on! So turning that off will probably fix my problem, thanks.