Choppy video playback and gameplay with custom kernel - Samsung Galaxy Core 2 Questions & Answers

I don't know if I'm the only one facing this problem, but it's a wonder that nobody ever mentioned this issue before. I think this problem is related with the custom kernel named Sandroidkernel which comes with every custom roms made for this model by Ihsan. I can play supported games smoothly and play [email protected] fps and sometimes even [email protected] fps fine with HW decoder using MX player using stock rom and kernel. BUT when I use this kernel on custom and stock roms I can't use HW decoder for mentioned resolutions and my games become choppier than usual. I tried flashing the kernel on my stock rom and the issue still remained. I tried playing around with available CPU governors and I/O schedulers but had no luck. Same thing with OMKernel. Anyone facing this issue or fixed it? Any help will be appreciated.

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The most irritating issue on G3 !

I have noticed that almost all the issues which cropped up in Eclair or Froyo versions of G3 were resolved one way or the other. However, one issue that still remains (atleast for most of us from what i can gather) is the audio issue.
It has been frequently reported that while playing music, a "crackling" or "radio static" noise is heard, especially in the silent portions of a track. I have tried almost everything to resolve this - played the same track on other mobiles to discount the possibility of inferior track quality, adjusted equalizer, changed kernels, flashed different ROMS (Stock & Custom), Rebuilt audio values etc. but the problem remained. The only possible reason i can think of is whether voodoo affected my settings since that was implemented in Fugumod2.4 Beta3. But this is just an assumption...
For people who do not have this problem or have overcome this issue - could you please share the details on how you got it working ?
Tianhe said:
I have noticed that almost all the issues which cropped up in Eclair or Froyo versions of G3 were resolved one way or the other. However, one issue that still remains (atleast for most of us from what i can gather) is the audio issue.
It has been frequently reported that while playing music, a "crackling" or "radio static" noise is heard, especially in the silent portions of a track. I have tried almost everything to resolve this - played the same track on other mobiles to discount the possibility of inferior track quality, adjusted equalizer, changed kernels, flashed different ROMS (Stock & Custom), Rebuilt audio values etc. but the problem remained. The only possible reason i can think of is whether voodoo affected my settings since that was implemented in Fugumod2.4 Beta3. But this is just an assumption...
For people who do not have this problem or have overcome this issue - could you please share the details on how you got it working ?
Click to expand...
Click to collapse
Check if it's not related with cpufreq driver ... Use setcpu and set to performance and check if the noise are gone.
In addition, try another player like songbird.
Give feedback
@marcellusbe: Appreciate ur effort in taking time out from ur busy schedule n replying. Anyway, back to the details -
I has used Fugumod 2.4 Beta3 Standard with SetCpu at conservative. Never changed the filesystems. Now on stock kernel. Will flash Fugumod again and try performance on SetCpu. Might take some time. Meanwhile i shall also try SetCpu on stock kernel just as an additional effort. Tried another music player but the same prob. Never tried songbird though, will do. And just as an afterthought, i have never used an OC kernel.
Will give more feedback later. Wishin ya luck for ur CM7 project !
I wonder i dont hv dis problem... music plays fine.. even iphone owners r jealous because of my phone sound quality...!!
I m on indrid 4.3 with fugmod 2.4 beta3 kernel and also have voodoooo.
Never experienced this problem though.
sent from my g3 using xda app
never had this problem.. don't know the solution? maybe u can try android 2.3 (cyanogenmod) it has dsp manager. u can try if that program has a option to solve this?

[Q] Abnormal sound when switching the screen off

Hey guys i'm trying to report a weird problem with the sound of my G3 when trying to play music. Whenever i start up the stock music player and play music, when i switch off the screen, i hear a weird cracking sound being emitted by the earphones. It's like an abnormal sound coming from the mobile itself through the jack. I've also tried and used my PC stereo speakers and other earphones but the problem persists.
This happened right after i flashed my mobile for the first time 3 months ago. Whenever i switch off or switch on the screen while listening to music, the same sound is emitted. I could really use some help right now dealing with this as it completely ruins the sound output. Also this happens only when switching the screen off or on while doing a sound related activity on the phone such as listening to music or playing games.
On a side note, the mini stock music player that appears on the lock screen shows a significant lag while switching from one song to the other when using Froyo. This isn't the case with any of the 2.1 Eclair rom's i've used, where the player was very responsive and quick while switching between songs.
Seriously nobody on the forum experienced the same problem, if not can anybody tell me the reason why this is happening to my mobile?
gamerprithvi said:
Seriously nobody on the forum experienced the same problem, if not can anybody tell me the reason why this is happening to my mobile?
Click to expand...
Click to collapse
It seems you didn't search the forum before posting this issue. This is a known issue with stock Froyo based ROMs. The only solution for this is to flash Fugumod 2.4 Beta3 kernel which resolves many such issues and the above issue is one of them.
So the kernel G3Mod 1.3.2 ultimate that you've been using isn't having such problems? k thx a lot for your signature.
gamerprithvi said:
So the kernel G3Mod 1.3.2 ultimate that you've been using isn't having such problems? k thx a lot for your signature.
Click to expand...
Click to collapse
G3mod has this problem but its not frequent, and it would be fixed probably in the next version. The fugumod version mentioned by me above doesn't.have this bug.
Last time i checked the fugumod 2.4 beta 3 800MHz version didn't work well and led to a lot of freezes and crashes. Also tried the 1.3ghz one and had the same problems. The G3Mod 1.3.2 ultimate is by far the most bug-free kernel i've used, and everything is working perfectly except this annoying problem.
gamerprithvi said:
Last time i checked the fugumod 2.4 beta 3 800MHz version didn't work well and led to a lot of freezes and crashes. Also tried the 1.3ghz one and had the same problems. The G3Mod 1.3.2 ultimate is by far the most bug-free kernel i've used, and everything is working perfectly except this annoying problem.
Click to expand...
Click to collapse
Try using the Ram Optimation Script, it has solved the lag issue for many users. Here's the link for that thread:
http://forum.xda-developers.com/showthread.php?t=1156496

[Q] FLAC audio format playback stuttering.

Hello guys, just wanted to ask what is the reason why my audio playback is stuttering during flac format audio playback? It's kinda annoying.
I'm running a 4.4 stock with faux 029 mainline kernel.
I tried it with stock but same results.
Also tried it with almost all 4.4 but still the same.
I never experienced it before with all 4.3 roms.
shinobu13 said:
Hello guys, just wanted to ask what is the reason why my audio playback is stuttering during flac format audio playback? It's kinda annoying.
I'm running a 4.4 stock with faux 029 mainline kernel.
I tried it with stock but same results.
Also tried it with almost all 4.4 but still the same.
I never experienced it before with all 4.3 roms.
Click to expand...
Click to collapse
known problem, but no fix so far:
https://code.google.com/p/android/issues/detail?id=62562

[Q] hardware decoder no longer works

Hi,
I was playing with various kernels and ROMs. All went fine, however one thing stopped working and I couldn't trace which action of mine broke this.
So, h/w and h/w+ decoders no longer work for me in MX player. I have also tried a few other players but they simply show distorted picture. I've got MX player 1.7.26 and correct decoders installed i.e. ARMv7NEO.
I know there's an answer to "wipe all and reinstall" but I want to see if there's any better solutions.
I'v got latest Echoe ROM which runs Android 4.4.2. I'm also on stock kernel now. I've tried reloading my ROM w/o wipe but that didn't help.
my phone is international 9005

kernel issues with music

hi guys
im using paranoid custom rom(tried with carbon and slimROM) but since colors are washed out and its unable to change them with faux with their stock, music works great and i can listen it for hours without any issues
but when i put custom kernel (tested with franco, AK, hells core, hells doctor) it all have same issue, my music starts to distort for few seconds every now and then (every few minutes for few seconds)
EDIT:
i tried to use multiple programs for music same issues everywhere
any idea how to fix it, is it kernel issue, or something else?
does anyone else have this problem?

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