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Today's Topics:
1. Re: Compile Time Option (tosiara)
----------------------------------------------------------------------
Message: 1
Date: Mon, 16 Mar 2020 11:29:38 +0200
From: tosiara <[email protected]>
To: Motion discussion list <[email protected]>
Subject: Re: [Motion-user] Compile Time Option
Message-ID:
<cachtdwqteb6vebtyuy0k7s_4yt4gwr3mex6tzcb+oqy1-ye...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
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 <
[email protected]> 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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