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Today's Topics:

   1. Videos start before the event with movie_passthrough on
      (Arvid Ihnen)
   2. Re: Videos start before the event with movie_passthrough on
      (tosiara)


----------------------------------------------------------------------

Message: 1
Date: Wed, 7 Oct 2026 12:07:09 +0200
From: Arvid Ihnen <[email protected]>
To: [email protected]
Subject: [Motion-user] Videos start before the event with
        movie_passthrough on
Message-ID: <[email protected]>
Content-Type: text/plain;       charset=us-ascii

Hi,
  I am using motion 4.7.0. I have appr. 8 IP cameras, most sending H.265 
streams and will detect motion by itself and trigger the recording by using the 
motion http api.
To lower CPU usage I turned movie_passthrough to on. Since then I recognized, 
that the begin of the recorded video starts several seconds to a minute before 
the event happen until I restart motion.
The record video is much longer than the time between on_movie_start event and 
on_movie_end event.
Here are some configuration values, which might be relevant for the issue:
movie_codec        hevc
movie_passthrough  on
movie_duplicate_frames off
timelapse_interval 10
timelapse_mode daily
timelapse_codec mpg
framerate 15
pre_capture 0
post_capture 1000
event_gap 10
movie_max_time 0

netcam_highres not set

Best Regards
   Arvid


------------------------------

Message: 2
Date: Wed, 7 Oct 2026 15:31:14 +0300
From: tosiara <[email protected]>
To: Motion discussion list <[email protected]>
Subject: Re: [Motion-user] Videos start before the event with
        movie_passthrough on
Message-ID:
        <cachtdwriv-x70fzq8k6cnc-bjxyjexyo+u4cy39dpc7rxmu...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Try changing your camera settings to CBR with the lowest keyframe intervals

On Wed, 7 Oct 2026, 13:09 Arvid Ihnen via Motion-user, <
[email protected]> wrote:

> Hi,
>   I am using motion 4.7.0. I have appr. 8 IP cameras, most sending H.265
> streams and will detect motion by itself and trigger the recording by using
> the motion http api.
> To lower CPU usage I turned movie_passthrough to on. Since then I
> recognized, that the begin of the recorded video starts several seconds to
> a minute before the event happen until I restart motion.
> The record video is much longer than the time between on_movie_start event
> and on_movie_end event.
> Here are some configuration values, which might be relevant for the issue:
> movie_codec        hevc
> movie_passthrough  on
> movie_duplicate_frames off
> timelapse_interval 10
> timelapse_mode daily
> timelapse_codec mpg
> framerate 15
> pre_capture 0
> post_capture 1000
> event_gap 10
> movie_max_time 0
>
> netcam_highres not set
>
> Best Regards
>    Arvid
>
> _______________________________________________
> Motion-user mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/motion-user
> https://motion-project.github.io/
>
> Unsubscribe: https://lists.sourceforge.net/lists/options/motion-user
>
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