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Today's Topics:
1. Re: RTSP stream and CPU utilization (prismb...@gmail.com)
2. Re: RTSP stream and CPU utilization (Tom Kennelly)
----------------------------------------------------------------------
Message: 1
Date: Fri, 23 Nov 2018 12:10:02 -0800
From: prismb...@gmail.com
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] RTSP stream and CPU utilization
Message-ID:
<CAGd+P+YOetQPBw6=mlsqo0fqyg-wbz1j3barjamicxyw+fe...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
A person on Amazon listed these URL's as usable for the camera:
rtsp : / / admin:instar@IP-Address:RTSP-Port/11 - VLC Stream
http : / / admin:instar@IP-Address:Port/iphone/11 - Quicktime Stream
http :/ / IP-Address:Port/tmpfs/snap.jpg?usr=admin&pwd=instar - Snapshot
(720p / 1280x720 Pixel)
http : / / IP-Address:Port/tmpfs/auto.jpg?usr=admin&pwd=instar - Snapshot
(352p or 176p)
http : / /
IP-Address:Port/cgi-bin/hi3510/mjpegstream.cgi?-chn=11&-usr=admin&-pwd=instar
- MJPEG Stream
On Fri, Nov 23, 2018 at 11:48 AM David Powell <da...@depowell.com> wrote:
> Thanks for the insight. And thanks to Harlan for the tip on *mediainfo*
> - that's going to come in handy.
>
> I looked at the settings on the camera and the frame rate was set to 30
> fps. Also, the media profile was set to highprofile. I changed the frame
> rate to 15 and the profile to "baseline". None of that lowered the CPU
> utilization.
>
> That camera actually has two streams, a primary and a secondary. The
> secondary has a 640x352 resolution. I set it to 15 fps and switched to
> that stream, and it did make a big difference; brought it down to about
> 125%. The picture is not as good of course, but I think I can live with
> that.
>
> Still, 125% is 2.5x the other three cameras combined, plus overhead. It
> seems to me that I should still be able to do *something* to bring it
> down under 100%. I can't believe that an RTSP stream takes that much more
> computational power. I want to add 4 more similar cameras once I figure
> this out. This is the one that I'm playing with:
>
>
> https://www.amazon.com/Security-Surveillance-Detection-Waterproof-4sdot/dp/B073TSN6YD/ref=sr_1_4
>
> If you know of any similarly-priced cameras that support MJPEG I'd like a
> pointer to them!
>
> David
>
>
>
> On 11/23/18 11:26 AM, Colin Law wrote:
>
> On Fri, 23 Nov 2018 at 17:13, David Powell <da...@depowell.com>
> <da...@depowell.com> wrote:
>
>
> The resolution of the MJPEG ones are all 640x480. The RTSP one is 720p.
>
> I have framerate set to 15 in motion.conf. The individual camera config
> files do not have that setting.
>
>
> The MJPEG cameras are 307200 pixels, the RTSP is 921600 which is
> equivalent to all the others put together. Also the RTSP is probably
> providing the data at 25 or 30 frames/sec and the processor has to
> decode all of those even though you only want 15/sec in motion Mjpeg
> is a sequence of individual pictures so unwanted ones can just be
> thrown away. So yes, there is a lot more processing to be done for
> the RTSP camera before it even gets as far as motion. You may be able
> to slow down the frame rate in the camera, and also possibly the
> resolution if you don't need it all.
>
>
>
> David
>
> On 11/23/18 10:54 AM, Colin Law wrote:
>
> On Fri, 23 Nov 2018 at 16:53, Colin Law <clan...@gmail.com>
> <clan...@gmail.com> wrote:
>
> On Fri, 23 Nov 2018 at 16:43, David Powell <da...@depowell.com>
> <da...@depowell.com> wrote:
>
> I have 3 IP cameras configured in Motion running on a Raspberry Pi (Ubuntu).
> These cameras all use MJPEG streams and the CPU utilization on the Pi hovers
> around 50%.
>
> I added another camera which doesn't support MJPEG, but does support RTSP.
> Adding this one RTSP camera ran the CPU utilization up to around 200% (I
> believe this Pi has a quad-core CPU). Is this typical for RTSP? Is there
> any way to reduce the load for this protocol? I want to add several more
> cameras but cheap wireless outdoor IP cameras that support MJPEG seem to be
> hard to come by nowadays.
>
> What is the resolution of the mjpeg cameras and what is the rtsp one?
>
> Also what is frame rate of both?
>
> Colin
>
> David
>
> _______________________________________________
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>
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>
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>
>
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Message: 2
Date: Fri, 23 Nov 2018 15:57:39 -0500
From: Tom Kennelly <t...@tekennelly.gotdns.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] RTSP stream and CPU utilization
Message-ID:
<6499a772-60b0-4cae-8fe7-32c668e9b...@tekennelly.gotdns.com>
Content-Type: text/plain; charset="us-ascii"
I have various no name cameras all using rasp in motion. I have found that I
need to have an exact match in the motion conf file and how the camera is set
up. Any mismatches result in high cpu utilization.
For me I make sure the frame rate and the resolution in the camera and the
motion config file are exactly the same. Each camera has a web page to
configure its frame rate and resolution. Each camera has a unique conf file in
motion.
Sent from my iPad
> On Nov 23, 2018, at 3:10 PM, prismb...@gmail.com wrote:
>
> A person on Amazon listed these URL's as usable for the camera:
>
> rtsp : / / admin:instar@IP-Address:RTSP-Port/11 - VLC Stream
>
> http : / / admin:instar@IP-Address:Port/iphone/11 - Quicktime Stream
>
> http :/ / IP-Address:Port/tmpfs/snap.jpg?usr=admin&pwd=instar - Snapshot
> (720p / 1280x720 Pixel)
>
> http : / / IP-Address:Port/tmpfs/auto.jpg?usr=admin&pwd=instar - Snapshot
> (352p or 176p)
>
> http : / /
> IP-Address:Port/cgi-bin/hi3510/mjpegstream.cgi?-chn=11&-usr=admin&-pwd=instar
> - MJPEG Stream
>
>
>> On Fri, Nov 23, 2018 at 11:48 AM David Powell <da...@depowell.com> wrote:
>> Thanks for the insight. And thanks to Harlan for the tip on mediainfo -
>> that's going to come in handy.
>>
>> I looked at the settings on the camera and the frame rate was set to 30 fps.
>> Also, the media profile was set to highprofile. I changed the frame rate
>> to 15 and the profile to "baseline". None of that lowered the CPU
>> utilization.
>>
>> That camera actually has two streams, a primary and a secondary. The
>> secondary has a 640x352 resolution. I set it to 15 fps and switched to that
>> stream, and it did make a big difference; brought it down to about 125%. The
>> picture is not as good of course, but I think I can live with that.
>>
>> Still, 125% is 2.5x the other three cameras combined, plus overhead. It
>> seems to me that I should still be able to do something to bring it down
>> under 100%. I can't believe that an RTSP stream takes that much more
>> computational power. I want to add 4 more similar cameras once I
>> figure this out. This is the one that I'm playing with:
>>
>> https://www.amazon.com/Security-Surveillance-Detection-Waterproof-4sdot/dp/B073TSN6YD/ref=sr_1_4
>>
>> If you know of any similarly-priced cameras that support MJPEG I'd like a
>> pointer to them!
>>
>> David
>>
>>
>>
>>
>>
>>> On 11/23/18 11:26 AM, Colin Law wrote:
>>>> On Fri, 23 Nov 2018 at 17:13, David Powell <da...@depowell.com> wrote:
>>>> The resolution of the MJPEG ones are all 640x480. The RTSP one is 720p.
>>>>
>>>> I have framerate set to 15 in motion.conf. The individual camera config
>>>> files do not have that setting.
>>> The MJPEG cameras are 307200 pixels, the RTSP is 921600 which is
>>> equivalent to all the others put together. Also the RTSP is probably
>>> providing the data at 25 or 30 frames/sec and the processor has to
>>> decode all of those even though you only want 15/sec in motion Mjpeg
>>> is a sequence of individual pictures so unwanted ones can just be
>>> thrown away. So yes, there is a lot more processing to be done for
>>> the RTSP camera before it even gets as far as motion. You may be able
>>> to slow down the frame rate in the camera, and also possibly the
>>> resolution if you don't need it all.
>>>
>>>> David
>>>>
>>>> On 11/23/18 10:54 AM, Colin Law wrote:
>>>>
>>>> On Fri, 23 Nov 2018 at 16:53, Colin Law <clan...@gmail.com> wrote:
>>>>
>>>> On Fri, 23 Nov 2018 at 16:43, David Powell <da...@depowell.com> wrote:
>>>>
>>>> I have 3 IP cameras configured in Motion running on a Raspberry Pi
>>>> (Ubuntu). These cameras all use MJPEG streams and the CPU utilization on
>>>> the Pi hovers around 50%.
>>>>
>>>> I added another camera which doesn't support MJPEG, but does support RTSP.
>>>> Adding this one RTSP camera ran the CPU utilization up to around 200% (I
>>>> believe this Pi has a quad-core CPU). Is this typical for RTSP? Is there
>>>> any way to reduce the load for this protocol? I want to add several more
>>>> cameras but cheap wireless outdoor IP cameras that support MJPEG seem to
>>>> be hard to come by nowadays.
>>>>
>>>> What is the resolution of the mjpeg cameras and what is the rtsp one?
>>>>
>>>> Also what is frame rate of both?
>>>>
>>>> Colin
>>>>
>>>> David
>>>>
>>>> _______________________________________________
>>>> Motion-user mailing list
>>>> Motion-user@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/motion-user
>>>> https://motion-project.github.io/
>>>>
>>>> Unsubscribe: https://lists.sourceforge.net/lists/options/motion-user
>>>>
>>>> _______________________________________________
>>>> Motion-user mailing list
>>>> Motion-user@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/motion-user
>>>> https://motion-project.github.io/
>>>>
>>>> Unsubscribe: https://lists.sourceforge.net/lists/options/motion-user
>>>>
>>>> _______________________________________________
>>>> Motion-user mailing list
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>>>> https://motion-project.github.io/
>>>>
>>>> Unsubscribe: https://lists.sourceforge.net/lists/options/motion-user
>>> _______________________________________________
>>> Motion-user mailing list
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>>>
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>> _______________________________________________
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>>
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> _______________________________________________
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