Powershot A3100 - Porting thread - page 14 - DryOS Development - CHDK Forum
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Powershot A3100 - Porting thread

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Offline waterwingz

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Re: Powershot A3100 - Porting thread
« Reply #130 on: 27 / April / 2013, 19:27:02 »
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Quote from: srsa_4c on 26 / April / 2013, 13:51:34
If you're interested in a somewhat faster motion detection, and willing to test, let me know.
@srsa_4c :  having played with MD a bit,  I'm curious.  What have you got?
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Offline srsa_4c

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Re: Powershot A3100 - Porting thread
« Reply #131 on: 27 / April / 2013, 21:10:04 »
Quote from: cheddar66 on 27 / April / 2013, 19:11:48
Quote from: srsa_4c on 26 / April / 2013, 13:51:34
The attached build should take care of this issue. Please report if you find a problem with it.
It seems like the overrides still do not work on quick shutter release.
That means the "magic potion" (a piece of code that is supposed to help with this issue) doesn't work. I'll leave it like it is then.

Quote
Quote
If you're interested in a somewhat faster motion detection, and willing to test, let me know.
I would try it, but outside of testing your build I have never used it.
You can test this by simply watching the live histogram or zebra, no need for a motion detection script.

Quote from: waterwingz on 27 / April / 2013, 19:27:02
@srsa_4c :  having played with MD a bit,  I'm curious.  What have you got?
... I should have said "Would you like to test a vid_get_viewport_live_fb() implementation based on values found by the sigfinder?"   :-[
Seriously, I don't want to blindly implement it, because I may get the number of buffers wrong (this camera seems to have 3, not 4).
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Offline cheddar66

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Re: Powershot A3100 - Porting thread
« Reply #132 on: 28 / April / 2013, 15:54:33 »
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You can test this by simply watching the live histogram or zebra, no need for a motion detection script.
Sure, I'll test it.
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Offline srsa_4c

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Re: Powershot A3100 - Porting thread
« Reply #133 on: 28 / April / 2013, 16:39:46 »
@cheddar66

Attached is a build with that motion detection related change. Unfortunately proper testing would be a bit tedious (unlike I said earlier), so I'm only asking you to enable zebra and report whether the zebra display is working correctly. Since zebra is slow, you probably won't find a difference compared to the previous builds.

Also, I have disabled that fast shutter press related hack, since you have reported it to be ineffective.
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Offline cheddar66

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Re: Powershot A3100 - Porting thread
« Reply #134 on: 28 / April / 2013, 17:36:42 »
Yes it works correctly.  Like you said, I can't see a difference.
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Offline philmoz

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Re: Powershot A3100 - Porting thread
« Reply #135 on: 30 / April / 2013, 08:28:23 »
Does the 'Dark Frame subtraction' control (RAW Settings) work at the moment?

There are some problems with other cameras with the 'nrflag' values found by finsig_dryos.

I've updated the code and the new value found for the A3100 is:
Code: [Select]
static long *nrflag = (long*)(0x5cd8+0x08);

I would appreciate if someone can test this and let me know which value works (if any).

Phil.
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Offline mahins

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Re: Powershot A3100 - Porting thread
« Reply #136 on: 02 / July / 2015, 04:24:10 »
hi can you help me to insatll chdk on my canon a3100 is d?
i installed it using the file here mighty-hoernsche.de
it insalled,but there is no significant difference...no zebra,no raw nothing .except the battery counter.
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Offline waterwingz

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Re: Powershot A3100 - Porting thread
« Reply #137 on: 02 / July / 2015, 05:35:30 »
Quote from: mahins on 02 / July / 2015, 04:24:10
hi can you help me to insatll chdk on my canon a3100 is d?
i installed it using the file here mighty-hoernsche.de
it insalled,but there is no significant difference...no zebra,no raw nothing .except the battery counter.
Do you see the red CHDK logo when your camera starts?



Have you tried quicky pressing the CHDK <ALT> key?  For he A3100,  the key to press is  labelled "Review Photos" in this picture :
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Offline dvarkin

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Re: Powershot A3100 - Porting thread
« Reply #138 on: 24 / June / 2016, 03:40:23 »
Hello! Thanks for developing :) Is it possible to change video resolution to 1280x720 (or so) on this camera?
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Offline waterwingz

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Re: Powershot A3100 - Porting thread
« Reply #139 on: 25 / June / 2016, 10:43:20 »
Quote from: dvarkin on 24 / June / 2016, 03:40:23
Hello! Thanks for developing :) Is it possible to change video resolution to 1280x720 (or so) on this camera?
CHDK cannot change video resolutions.  Sorry.
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Ported :   A1200    SD940   G10    Powershot N    G16
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