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Today's Topics:
1. Re: Missing frames in movies (Jack Christensen)
2. Re: Missing frames in movies ([email protected])
----------------------------------------------------------------------
Message: 1
Date: Tue, 11 Feb 2020 20:17:19 -0500
From: Jack Christensen <[email protected]>
To: [email protected]
Subject: Re: [Motion-user] Missing frames in movies
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8
Out of 651 events on three machines, a few report something other than
Source FPS 4:
[1:ml1:CAM1] [INF] [EVT] [Feb 11 07:31:31] event_new_video: Source FPS 2
[1:ml1:CAM1] [INF] [EVT] [Feb 11 15:55:59] event_new_video: Source FPS 3
[1:ml1:CAM1] [INF] [EVT] [Feb 11 17:59:27] event_new_video: Source FPS 1
[1:ml1:CAM1] [INF] [EVT] [Feb 11 18:01:55] event_new_video: Source FPS 5
[1:ml1:CAM2] [INF] [EVT] [Feb 11 17:32:16] event_new_video: Source FPS 3
[1:ml1:CAM3] [INF] [EVT] [Feb 11 07:30:28] event_new_video: Source FPS 3
[1:ml1:CAM3] [INF] [EVT] [Feb 11 10:15:50] event_new_video: Source FPS 3
[1:ml1:CAM3] [INF] [EVT] [Feb 11 10:16:52] event_new_video: Source FPS 5
[1:ml1:CAM3] [INF] [EVT] [Feb 11 16:03:33] event_new_video: Source FPS 3
I also added %fps to the movie_filename. Interestingly, in one case, the
Source FPS message does not match the fps in the file name. The message
with FPS 1 above corresponds to 1-20200211-175926-092-2.mkv (2 fps).
1-20200211-073130-029-2.mkv
1-20200211-155559-046-3.mkv
1-20200211-175926-092-2.mkv
1-20200211-180154-094-5.mkv
2-20200211-173216-084-3.mkv
3-20200211-073027-034-3.mkv
3-20200211-101550-070-3.mkv
3-20200211-101652-071-5.mkv
3-20200211-160333-041-3.mkv
On 2/10/20 10:26 AM, tosiara wrote:
> I do not recall exactly, maybe
> For sure you can modify your file name format and add "%fps" - then
> you will see actual framerate in the file name with your current log level
>
> On Mon, Feb 10, 2020 at 5:13 PM Jack Christensen
> <[email protected] <mailto:[email protected]>>
> wrote:
>
> Would I need a log_level greater than 6 for that?
>
> With log_level 6, I just see framerate in one message at startup,
> e.g.:
>
> mmalcam_start: MMAL Camera thread starting... for camera
> (vc.ril.camera) of 896 x 504 at 4 fps
>
> For each event, I only see three lines, e.g.:
>
> event_newfile: File of type 8 saved to:
> /home/jack/motion-output/2-20200209-023725-001.mkv
> motion_detected: Motion detected - starting event 1
> mlp_actions: End of event 1
> event_newfile: File of type 8 saved to:
> /home/jack/motion-output/2-20200209-023940-002.mkv
> motion_detected: Motion detected - starting event 2
> mlp_actions: End of event 2
> event_newfile: File of type 8 saved to:
> /home/jack/motion-output/2-20200209-024138-003.mkv
> motion_detected: Motion detected - starting event 3
> mlp_actions: End of event 3
>
> On 2/10/20 9:50 AM, tosiara wrote:
>> Check for FPS in your log when motion records a movie - it will
>> reflect the real frame rate that motion is processing
>>
>> On Mon, Feb 10, 2020 at 4:45 PM Jack Christensen
>> <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> I also wondered about resource issues on such modest
>> machines. Watching
>> the CPU utilization and load averages, I didn't think I saw
>> too much
>> cause for concern. The 15-minute load average runs about 0.33
>> and top
>> shows about 250MB available memory.
>>
>> I wonder if Motion gives any indication of resource issues. I
>> did try
>> increasing the log_level setting but did not see anything in
>> the logs.
>>
>> I collected 24-hour load stats from my camera machines. All
>> are Pi Zero
>> Ws with the V2 Pi camera. Attached is a chart of the data for
>> cam2,
>> which had the largest spike. There were several longer than
>> usual movies
>> at about that time, so that may account for the spike.
>>
>> They do get busy at times for relatively short intervals, but the
>> missing frames are consistent, I'm pretty sure they're in
>> every movie.
>>
>> hostname? avg15? avg05? avg01? max15? max05? max01
>> cam1????? 0.35?? 0.36?? 0.36?? 0.55?? 0.66?? 1.03
>> cam2????? 0.32?? 0.33?? 0.33?? 0.59?? 1.00?? 1.54
>> cam3????? 0.31?? 0.32?? 0.33?? 0.56?? 0.77?? 1.31
>>
>>
>> On 2/8/20 5:55 PM, Dave Howorth wrote:
>> > On Sat, 8 Feb 2020 15:57:55 -0500
>> > Jack Christensen <[email protected]
>> <mailto:[email protected]>> wrote:
>> >
>> >> Once Motion starts recording a movie, should it
>> continually capture
>> >> frames at the configured rate until the end of the event?
>> I am using a
>> >> framerate of 4, but missing frames are common, and only
>> seeing one
>> >> frame per second in the recorded movie is not unusual. If
>> this is
>> >> expected behavior, what causes it?
>> > Dunno, but I see similar things on my system and I put it
>> down to
>> > limited processor power. My system is an older pi and my
>> camera is
>> > USB-connected, which I believe make my problems worse so
>> I've never got
>> > around to investigating further. I see a frame rate of 1 or
>> 2 frames a
>> > second, very rarely a third.
>> >
>> >> I am using Raspberry Pi Zero Ws with V2 Pi cameras. I have
>> observed
>> >> this with Motion 4.2.2 both on Raspbian Lite Stretch and
>> Raspbian Lite
>> >> Buster, but it seems more pronounced with Buster.
>> >>
>> >> Config file attached.
>> >
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>> >
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------------------------------
Message: 2
Date: Wed, 12 Feb 2020 12:19:28 +0200
From: [email protected]
To: Motion discussion list <[email protected]>
Subject: Re: [Motion-user] Missing frames in movies
Message-ID: <[email protected]>
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