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Today's Topics:
1. Corrupted Images (Ken Cox)
2. Re: Corrupted Images (tosiara)
3. Re: Compile Time Option (tosiara)
----------------------------------------------------------------------
Message: 1
Date: Tue, 17 Mar 2020 15:56:38 -0600
From: Ken Cox <kenc...@gmail.com>
To: motion-user@lists.sourceforge.net
Subject: [Motion-user] Corrupted Images
Message-ID:
<cap4ecbmkguveyw1emuw4eyyfye+x4audev92pyupyzuspsb...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi all,
I'm experiencing frequent image corruption. When it happens, it looks like
it's blending 2 images with the changed pixels some weird ghostly looking
mixture of the two images. Often I can tell there is an outline of a person
there, but the details are a corrupted mess. I can provide an example if it
helps. I did find in the configuration help page that without
netcam_use_tcp set to on "rtsp/rtmp images are frequently corrupted and
result in many false positive values and images that appear to be smeared."
Mine was already set to on, so I tried off on a whim. It did not solve this
issue, but did indeed add some additional smearing regions in many images
that seem to be unrelated to the motion.
Has anyone else seen this issue? Any ideas whats wrong or how to fix it?
Thanks,
Ken
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Message: 2
Date: Wed, 18 Mar 2020 09:32:51 +0200
From: tosiara <tosi...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] Corrupted Images
Message-ID:
<CACHTdwTDn7y9TW7S2aU5Oc=akkbqomsmug-bbusgqfuwopc...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Yes, please provide an example of an image
And also would be nice to see your full config and full log
It could be also an insufficient resource for decoding
If this is really a network issue, you could try to change camera settings,
like CBR over VBR or reduce I-framw interval
On Tue, Mar 17, 2020 at 11:57 PM Ken Cox <kenc...@gmail.com> wrote:
> Hi all,
>
> I'm experiencing frequent image corruption. When it happens, it looks like
> it's blending 2 images with the changed pixels some weird ghostly looking
> mixture of the two images. Often I can tell there is an outline of a person
> there, but the details are a corrupted mess. I can provide an example if it
> helps. I did find in the configuration help page that without
> netcam_use_tcp set to on "rtsp/rtmp images are frequently corrupted and
> result in many false positive values and images that appear to be smeared."
> Mine was already set to on, so I tried off on a whim. It did not solve this
> issue, but did indeed add some additional smearing regions in many images
> that seem to be unrelated to the motion.
>
> Has anyone else seen this issue? Any ideas whats wrong or how to fix it?
>
> Thanks,
> Ken
> _______________________________________________
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>
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Message: 3
Date: Wed, 18 Mar 2020 09:47:22 +0200
From: tosiara <tosi...@gmail.com>
To: Motion discussion list <motion-user@lists.sourceforge.net>
Subject: Re: [Motion-user] Compile Time Option
Message-ID:
<cachtdwr3farvl4z1jwfzaisas3mwjqctq6siowf8kex9wnb...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Created an enhancement: https://github.com/Motion-Project/motion/issues/1130
On Tue, Mar 17, 2020 at 12:47 AM Mike Wilson <knobby2...@gmail.com> wrote:
> It's a hard-coded 4 which is "regular". It would be nice to have that as a
> config option.
>
> On Mon, Mar 16, 2020 at 5:43 AM tosiara <tosi...@gmail.com> wrote:
>
>> Hey, could you please explain a bit more what do you mean by "compile
>> time option"?
>>
>> On Sun, Mar 15, 2020 at 1:27 PM Rainer Dorsch via Motion-user <
>> motion-user@lists.sourceforge.net> wrote:
>>
>>> Hi,
>>>
>>> I am wondering, why alg_noise_tune has a compile time option (last line):
>>>
>>> void alg_noise_tune(struct context *cnt, unsigned char *new)
>>> {
>>> struct images *imgs = &cnt->imgs;
>>> int i;
>>> unsigned char *ref = imgs->ref;
>>> int diff, sum = 0, count = 0;
>>> unsigned char *mask = imgs->mask;
>>> unsigned char *smartmask = imgs->smartmask_final;
>>>
>>> i = imgs->motionsize;
>>>
>>> for (; i > 0; i--) {
>>> diff = ABS(*ref - *new);
>>>
>>> if (mask)
>>> diff = ((diff * *mask++) / 255);
>>>
>>> if (*smartmask) {
>>> sum += diff + 1;
>>> count++;
>>> }
>>>
>>> ref++;
>>> new++;
>>> smartmask++;
>>> }
>>>
>>> if (count > 3) /* Avoid divide by zero. */
>>> sum /= count / 3;
>>>
>>> /* 5: safe, 4: regular, 3: more sensitive */
>>> cnt->noise = 4 + (cnt->noise + sum) / 2;
>>> }
>>>
>>> Doesn't make it sense to have that in motion.conf or camera.conf?
>>>
>>> Thanks
>>> Rainer
>>>
>>> --
>>> Rainer Dorsch
>>> http://bokomoko.de/
>>>
>>>
>>>
>>>
>>> _______________________________________________
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>>>
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>>>
>> _______________________________________________
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>>
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>
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>
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