Live View size isnt accurate and small - General Help and Assistance on using CHDK stable releases - CHDK Forum
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Live View size isnt accurate and small

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Offline ZenSRC

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Live View size isnt accurate and small
« on: 24 / August / 2024, 15:25:28 »
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I recently got the chdkptp to work but liveview doesnt show the exact frame what my camera shows, i tried every setting there but no result.

Also is there any way to make liveview larger?
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Offline reyalp

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Re: Live View size isnt accurate and small
« Reply #1 on: 24 / August / 2024, 20:45:07 »
Quote from: ZenSRC on 24 / August / 2024, 15:25:28
I recently got the chdkptp to work but liveview doesnt show the exact frame what my camera shows, i tried every setting there but no result.

Also is there any way to make liveview larger?
If you check
Viewfinder 1:1
Overlay 1:1
Overlay fit
Scale for A/R

that should be very close to what the camera screen displays, at the full resolution of the available data.

If part of the image is cut off with those settings or something else is majorly different from the real screen, there are likely bugs in the port. In that case, please use the "quick dump" option from the live view debug tab and post the file here, with both "Viewfinder" and "Overlay" checked.

From your other post, I guess you are using an SX500IS? If not, let me know which camera and Canon firmware version.
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Offline ZenSRC

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Re: Live View size isnt accurate and small
« Reply #2 on: 25 / August / 2024, 05:46:24 »
Quote from: reyalp on 24 / August / 2024, 20:45:07
Quote from: ZenSRC on 24 / August / 2024, 15:25:28
I recently got the chdkptp to work but liveview doesnt show the exact frame what my camera shows, i tried every setting there but no result.

Also is there any way to make liveview larger?
If you check
Viewfinder 1:1
Overlay 1:1
Overlay fit
Scale for A/R

that should be very close to what the camera screen displays, at the full resolution of the available data.

If part of the image is cut off with those settings or something else is majorly different from the real screen, there are likely bugs in the port. In that case, please use the "quick dump" option from the live view debug tab and post the file here, with both "Viewfinder" and "Overlay" checked.

From your other post, I guess you are using an SX500IS? If not, let me know which camera and Canon firmware version.

Here is a link to dump file since the site dont allow me cause of its size. (Both Viewfinder and UI overlay enabled)

https://we.tl/t-UReDMYpDVE

I am using Powershot SX500IS with a 100c firmware
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Offline reyalp

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Re: Live View size isnt accurate and small
« Reply #3 on: 25 / August / 2024, 22:07:00 »
Quote from: ZenSRC on 25 / August / 2024, 05:46:24
I am using Powershot SX500IS with a 100c firmware
Thanks, here's a test build for SX500IS 100c.

Please check if the live view displays correctly with the camera both in playback and shooting mode, and in shooting mode, check the various still image aspect ratios (4:3, 3:2, 16:19, 1:1). Checking both 4:3 and 16:9 video would also be good.

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Here is a link to dump file since the site dont allow me cause of its size. (Both Viewfinder and UI overlay enabled)
FWIW, if you need to post another one, zipping the file will probably get it down to a size the forum allows.
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Offline reyalp

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Re: Live View size isnt accurate and small
« Reply #4 on: 04 / September / 2024, 19:17:10 »
@ZenSRC can you confirm whether the build I posted fixes the problem? Thanks.
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Offline ZenSRC

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Re: Live View size isnt accurate and small
« Reply #5 on: 06 / September / 2024, 05:26:24 »
Quote from: reyalp on 04 / September / 2024, 19:17:10
@ZenSRC can you confirm whether the build I posted fixes the problem? Thanks.

Sorry ı was busy to test it but i just downloaded it.

It works awesome, thank you so much!

Now ı have to figure out a way to get this on a android device :)
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Offline reyalp

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Re: Live View size isnt accurate and small
« Reply #6 on: 06 / September / 2024, 22:01:27 »
Quote from: ZenSRC on 06 / September / 2024, 05:26:24
It works awesome, thank you so much!
Thanks for confirming, checked in for trunk build 6283, release 1.6 build 6284

Quote
Now ı have to figure out a way to get this on a android device :)
There's two simple steps:
1) Confirm whether Android provides a way for an app to directly control a USB device, or, if Android automatically manages PTP devices, whether an app can send arbitrary, non-standard PTP commands.
2) If the answer to #1 is affirmative, draw the rest of the ****ing owl write an app which implements the live view portion of the CHDK PTP Extension. You can refer to chdkptp for a non-Android sample implementation. If you know how to write an Android app and have the required USB access, implementing a basic live view client should be fairly straightforward.

Alternatively, it's possible you could get a regular build of chdkptp to run on a rooted android device, though USB access might still be an issue. There are also some apps that let you run regular Linux stuff without rooting (I have no experience with them, but AnLinux and UserLAnd show up in google results, more https://en.wikipedia.org/wiki/Comparison_of_OS_emulation_or_virtualization_apps_on_Android), but I'd be surprised if they provided the required USB access.
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