S21 GCam Ports

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lywyn

Senior Member
Jul 19, 2010
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Is that the Google Camera? Being a Pixel owner the last few years I would love it if the camera app worked on the S21.
 
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historys

Senior Member
Dec 2, 2020
82
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Hi,
Pre-ordered the 21 Ultra yesterday, will also be looking for a working Gcam mod for this new phone.
Also I try to use Google Dialer app for S21 too!!
Congrats! it's a great phone
also GCam might not get ported to the exynos version (or it will but will take more time than the snapdragon version) i'm not sure though
 

beserker15

Senior Member
Sep 21, 2009
756
614
Was able to try out Gcam on a Snapdragon store demo model today. Works similar to S20/Note 20 series in that front camera still doesn't work and Zoran's package fix enables the telephoto cameras to work. Pictures of all 4 rear cameras attached using Wichaya's gcam, might not look the best since I quickly used my S20 Ultra's profile without having time to tweak it.
 

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Maddmatt

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Aug 10, 2010
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Is there much benefit to GCam here? Samsung's app looks good from what I've seen.

On my Oneplus 6 it was useful, as the Oneplus app lacks panorama and Googles image processing is better.
 

beserker15

Senior Member
Sep 21, 2009
756
614
Is there much benefit to GCam here? Samsung's app looks good from what I've seen.

On my Oneplus 6 it was useful, as the Oneplus app lacks panorama and Googles image processing is better.

It depends on whether or not you like Samsung's image processing. I personally still don't though will admit they have improved over time. The biggest issue is still under lower light, where they have aggressive sharpening and noise reduction. Fine details are often a problem indoors, like hair or fur. The main camera's sensor is pretty large so that helps, but the ultra wide and telephoto sensors aren't so it's more noticeable.

For those curious, I used Wichaya's Samsung Gcam here (3rd one): https://www.celsoazevedo.com/files/android/google-camera/f/changelog1501/
 
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Corlan

Member
Jan 20, 2011
37
4
I've not used gcam before - you can still just switch between the apps can't you? If so, it'd be good to have both and compare
 

beserker15

Senior Member
Sep 21, 2009
756
614
how do we get the 2 zoom lenses to work with the above gcam ?

Got my Snapdragon S21 Ultra and here are my findings so far. It seems Gcam will freeze up more often in low light (you can unfreeze it by switching cameras, but it will freeze again after a few seconds). Telephoto camera and ultra wide are more likely to freeze because they have a smaller sensor thus less light. I've updated my XML for Wichaya's gcam that should work a little bit better.

*UPDATE* seems like setting stream configs helps stability and reduces/gets rid of freezing. Attached is updated XML.
 

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oraned

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Apr 3, 2010
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Got my Snapdragon S21 Ultra and here are my findings so far. It seems Gcam will freeze up more often in low light (you can unfreeze it by switching cameras, but it will freeze again after a few seconds). Telephoto camera and ultra wide are more likely to freeze because they have a smaller sensor thus less light. I've updated my XML for Wichaya's gcam that should work a little bit better.

*UPDATE* seems like setting stream configs helps stability and reduces/gets rid of freezing. Attached is updated XML.
how i put xml file in gcam?you can show me pls the way pls
 

beserker15

Senior Member
Sep 21, 2009
756
614
Are you guys using the Snapdragon version ? The gcam I loaded can't take any photos at all.... Only black screen lol on exynos 2100

ZGCAM 7.4 https://www.celsoazevedo.com/files/android/google-camera/f/changelog1340a/

Alright guys, just an update on my findings. It would appear that ZGcam is actually the best Gcam build for the S21 series right now on both Exynos and Snapdragon models. For some reason I can't seem to fully disable focus tracking so autofocus in lower light can be a hit or miss. There are also differences between the models though based on what Samsung has chosen to support and what they disable.

Snapdragon S21 series: Supports all rear cameras (for the S21 Ultra, that includes both the 3x and 10x telephoto). No gcam support video on the telephotos at the moment. Front facing cameras also do not work because Samsung disabled front camera RAW for S10/S20/S21 snap series with the exception for the S10 Lite and S20 FE.

Exynos S21 series: I don't own this but based on reports, the front camera will work! However, the telephoto cameras won't, so Exynos S21 series only support the main and ultra wide cameras. Since I don't have the Exynos model, try the XML for the Exynos S20 here: https://forum.xda-developers.com/t/working-gcam-and-config-for-s20-exynos.4203625/
 

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pharaohdk

Senior Member
Jul 18, 2010
432
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ZGCAM's official website (yes there are ads sadly) - https://koopahtmaniac.com/getLatest.php

Alright guys, just an update on my findings. It would appear that ZGcam is actually the best Gcam build for the S21 series right now on both Exynos and Snapdragon models. For some reason I can't seem to fully disable focus tracking so autofocus in lower light can be a hit or miss. There are also differences between the models though based on what Samsung has chosen to support and what they disable.

Snapdragon S21 series: Supports all rear cameras (for the S21 Ultra, that includes both the 3x and 10x telephoto). No gcam support video on the telephotos at the moment. Front facing cameras also do not work because Samsung disabled front camera RAW for S10/S20/S21 snap series with the exception for the S10 Lite and S20 FE.

Exynos S21 series: I don't own this but based on reports, the front camera will work! However, the telephoto cameras won't, so Exynos S21 series only support the main and ultra wide cameras. Since I don't have the Exynos model, my XML for it is just the one for my Snapdragon but with the telephoto options disabled since they don't work for it.

Please post more comparison pictures :) in different lighting situations too
 

Aneres11

Senior Member
Jun 9, 2019
85
89
Any chance of the Exynos model getting a gcam port that works with the telephot lenses?
 

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  • 8
    Is there much benefit to GCam here? Samsung's app looks good from what I've seen.

    On my Oneplus 6 it was useful, as the Oneplus app lacks panorama and Googles image processing is better.

    It depends on whether or not you like Samsung's image processing. I personally still don't though will admit they have improved over time. The biggest issue is still under lower light, where they have aggressive sharpening and noise reduction. Fine details are often a problem indoors, like hair or fur. The main camera's sensor is pretty large so that helps, but the ultra wide and telephoto sensors aren't so it's more noticeable.

    For those curious, I used Wichaya's Samsung Gcam here (3rd one): https://www.celsoazevedo.com/files/android/google-camera/f/changelog1501/
    5
    Are these settings valid for my s21 snapdragon? Mine is not ultra...

    Tele 2.0 freezes upon selection, other lens just freeze after a few seconds on base S21 Snapdragon.

    These are my settings based on berserker15's suggestion for Ruler Gcam 6.210329.0034 build-8.1.101. Though a bit late, hope it is still useful to anyone who needs it.

    Alright guys, this BSG version with my XML attached should work well for the base S21 and S21 Plus. My cousin upgraded to an S20 which has the same camera setup so I messed around with it a little.

    Obviously the processing between the S21 and S20 is probably a little different but here's an example of stock vs BSG setup. Stock is brighter and sharper than my GCam settings but much more artificial looking.

    20210731_143641.jpg
    PXL_20210731_143635531.jpg

    Also telephoto on GCam will provide more details. Stock is down sampling things to 12MP, but GCam will actually use 17MP for it.
    20210731_143839.jpg
    PXL_20210731_143854604.jpg

    4
    @[email protected] @pilotw @alexands1 @likecookies @LegendaryFire64

    New Arnova GCAM 8.1 is out y'all specifically for Snapdragon models*

    No guarantees on the S20/S21 base XML since I don't have it, but should work lol.
    4
    Hi,
    Fully working means everything works- Front Camera/Back Camera and any and all settings without crashing or freezing, that's what it means to me anyway. I know it's Samsung's fault, but why bother with Gcam ports if they don't work????
    We've gotten to a point where the builds are stable enough that nothing is crashing unless you enable a feature that isn't supported. I have no issues with going to the stock camera just for the front since I rarely ever use the front camera.

    I hope you know that not everything in stock camera "works" either. You can't manually choose the 3x and 10x when there's somewhat low light, or if the camera claims that you are too close to the subject. Oh, and not to mention that the stock camera still looks way worse on the auxiliary lenses.

    This picture is impossible to get via stock because stock will always switch away from the 10x and instead use the 3x cropped in because it's "too close".
    PXL_20210709_160555525.jpg

    This here is the limit to what the camera will still allow the 10x to be used before switching to the 3x:
    20210707_153235.jpg
    which looks horrible still compared to GCam:
    PXL_20210707_223332516.jpg
    but even worse since that's not the minimum focus distance the 10x can achieve, which is this with GCam:
    PXL_20210707_150019494.jpg

    So yeah, in summary just using stock is fine, except I refuse to accept crappier quality and weird software limitations when I know I can get better pictures with something else.
    3
    Is there a way to tweak the Wichiya gcam xml so that portrait mode shows by default instead of camera? Portrait mode autofocus works well, doesn't freeze, and there is far less noise than ZGcam.

    I looked into the XML keys but don't have an understanding of what keys to modify or add.
    Curious regarding the same thing, I wish I knew a little more about the inner tuning of the XML. Great job getting it where it already is. Unfortunately, I still get some studdering with my S21 Ultra in mid-light sceneries. I'm keeping a good eye on the GCam Hub for updates, in hopes something will come around!

    Don't worry guys, Arnova's latest will be released soon. I can confirm that the 4 rear cameras work great on Snapdragon S21 Ultra and is also the first GCam with video working on the telephoto (albeit at 1080p instead of 4K). However the awesome thing about the video is you can set the zoom to be greater than 20x unlike stock. Here's a couple of samples from the 10x and 3x with that unreleased GCam.