[APP][ALL ROOT SOLUTIONS][6.0+]ViPER4Android FX 2.7

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DiamondJohn

Recognized Contributor
Aug 31, 2013
7,384
7,398
Sydney
can't seem to figure it out for the life of me on how to get viper4android to still process even when Google is speaking the next turn direction via voice. Has anyone ran into this issue? Anyone managed to fix this?
A few years back, I had what sounds (no pun intended) like the exact same issue you describe. I use my phone for both navigation and also plugged into my stereo for music. Whenever Google maps gave a verbal direction, viper would stop processing.

I do not know if it is still the same, as I now run v2.7 (previously it was 2.5), and probably more significantly I use different apps for navigation, so would not know either way. I use Waze (as it includes traffic and is more accurate at determining times) or Here (only as a backup under emergencies). I know its not a real solution, but if this is your only issue, maybe consider using another navigation app.
 

bestgio

Member
Apr 1, 2017
36
6
A few years back, I had what sounds (no pun intended) like the exact same issue you describe. I use my phone for both navigation and also plugged into my stereo for music. Whenever Google maps gave a verbal direction, viper would stop processing.

I do not know if it is still the same, as I now run v2.7 (previously it was 2.5), and probably more significantly I use different apps for navigation, so would not know either way. I use Waze (as it includes traffic and is more accurate at determining times) or Here (only as a backup under emergencies). I know its not a real solution, but if this is your only issue, maybe consider using another navigation app.

I've tried doing more searching around the thread and found that this general issue applies to voice navigation with both Google Maps and Waze alike (for people who did report the issue). So you're saying other navigation apps like Waze and Here doesn't have this issue for you at all? The funny thing is that I'm coming from an OG Pixel XL, and with just the installation of Audio Compatibility Patch, I was able to get viper to process everything just fine including google maps.

I will try installing Waze and see if the issue still occurs and report back.

Not sure if this may be a factor but, I play music via Bluetooth and I also tried testing it on the phone speakers itself too and the issue seems to be happening regardless of the output device.
 

DiamondJohn

Recognized Contributor
Aug 31, 2013
7,384
7,398
Sydney
I've tried doing more searching around the thread and found that this general issue applies to voice navigation with both Google Maps and Waze alike (for people who did report the issue). So you're saying other navigation apps like Waze and Here doesn't have this issue for you at all? The funny thing is that I'm coming from an OG Pixel XL, and with just the installation of Audio Compatibility Patch, I was able to get viper to process everything just fine including google maps.

I will try installing Waze and see if the issue still occurs and report back.

Not sure if this may be a factor but, I play music via Bluetooth and I also tried testing it on the phone speakers itself too and the issue seems to be happening regardless of the output device.
I did not explicitly monitor when it stopped happening, and it has been a long time since I remember noting that it occurs. All i can say is that a few years back, while running Viper v2.5, google maps voice navigation instructions would switch Viper processing off, and then it would come back on. I noticed i as I also had my phone plugged in as the music player in my car.

Today I am running a different device, different ROM and different Viper, and it never cuts out when Waze gives a voice direction. I have not used Google maps for navigation for a long time, so do not know if it still does it now. Possibly the newer ROM and device has fixed it for both. I have a vague memory that when it was occurring for Google maps, it wasn't occurring for Here navigation.
 

xdausernext

Member
Aug 27, 2009
8
1
How can I install V4A on A10 - MIUI 11, please? Didn't work for me.
You need to root with magisk 20.0 + module for viper. Screenshot_2019-10-29-07-50-41-577_com.topjohnwu.magisk.jpg

Sent from my MI 9 using Tapatalk
 

Steve Punter

Senior Member
I have a strange issue with TuneIn Radio. This app works with v4a when I'm on Bluetooth (Processing: Yes). However, if I try to listen through the internal speaker or through the headset jack, it doesn't (Processing: No). This appears to be the only app I've found that behaves this way, as everything else seems to work fine.

I've installed the Audio Compatibility Patch from Magisk, but this hasn't helped. And yes, the Master Limiter switch is turned on in Headset and Speaker modes.

Does anyone have in insight to this, or has seen a similar issue.
 

PoochyX

Senior Member
Oct 23, 2016
2,170
425
I have a strange issue with TuneIn Radio. This app works with v4a when I'm on Bluetooth (Processing: Yes). However, if I try to listen through the internal speaker or through the headset jack, it doesn't (Processing: No). This appears to be the only app I've found that behaves this way, as everything else seems to work fine.



I've installed the Audio Compatibility Patch from Magisk, but this hasn't helped. And yes, the Master Limiter switch is turned on in Headset and Speaker modes.



Does anyone have in insight to this, or has seen a similar issue.
TuneIn works for me all around

([emoji3590]09-09-18[emoji3590])
 

Smoke99

Member
Aug 21, 2007
8
0
Hi, i have installed viper4android fx through magisk manager.
Now every time i boot the tablet it open the app of viper4android... why?
 

bestgio

Member
Apr 1, 2017
36
6
I did not explicitly monitor when it stopped happening, and it has been a long time since I remember noting that it occurs. All i can say is that a few years back, while running Viper v2.5, google maps voice navigation instructions would switch Viper processing off, and then it would come back on. I noticed i as I also had my phone plugged in as the music player in my car.

Today I am running a different device, different ROM and different Viper, and it never cuts out when Waze gives a voice direction. I have not used Google maps for navigation for a long time, so do not know if it still does it now. Possibly the newer ROM and device has fixed it for both. I have a vague memory that when it was occurring for Google maps, it wasn't occurring for Here navigation.

This is interesting, I installed Waze and tried using navigation with Waze and Viper doesn't cut out when Waze speaks?!

I suspect this is definitely a per device/Android version/Google maps version that's causing variability between everyone's experience with Viper. After playing with every possible combination of settings in Audio Compatibility Patch, everything works except Google Maps audio. At this point I would say it's definitely got to be with the Maps app itself, and with the Pixel 4 XL specifically since my OG Pixel XL never had this issue to begin with (using the legacy viper with Android N, O, P, and the new viper here with Android 10).

I'm just personally used to using Google Maps everything but a little workaround is to change the navigation audio to "softer" in Maps settings to help with the extreme audio transitions when viper stops processing when the next turn direction is being played and then starts processing right after. Not really a full solution, but still not the end of the world.

Hopefully future versions of viper and audio compatibility patch would get this ironed out, but as of now this is better than nothing!
 
Last edited:

Joe199799

Senior Member
Sep 7, 2014
840
287
Google Pixel 7 Pro
Really stupid question no chance viper could process audio casted to a Google home mini right? Since I'm guessing you're not really playing music from your phone to it, you're just telling it to play music right?
 

NeoMember

Member
Jan 9, 2015
10
0
can't install V4A 2.7.1.0 on my OnePlus 3T running Nitrogen 10, whenever I install the drivers and it reboots, I get stuck in the fastboot menu. tried the Audio Modification library method but it didn't work either. any ideas on how to get around that?
 

morfances

Senior Member
Jun 10, 2013
1,956
498
Rome
OnePlus 5
OnePlus 9
can't install V4A 2.7.1.0 on my OnePlus 3T running Nitrogen 10, whenever I install the drivers and it reboots, I get stuck in the fastboot menu. tried the Audio Modification library method but it didn't work either. any ideas on how to get around that?

Here is the solution that I found: let me know if it works for you too

FLASHING TUTORIAL:

1)First flash this File via twrp:

V4aFx_Rootless (https://www.pling.com/p/1330699/sta...p&file_type=application/zip&file_size=3964619)

2)Second flash this file via twrp:

AUDIO MODIFICATIONS (https://www.pling.com/p/1330699/sta...zip&file_type=application/zip&file_size=17510)

And Reboot then

3) FLASH THIS FILE VIA MAGISK ONLY

V4aFx (https://www.pling.com/p/1330699/sta...p&file_type=application/zip&file_size=3625438)

Reboot and enjoy!!
 

MatBru

Member
Nov 28, 2012
9
1
Spectrum analyzer with FIR equalizer

I find it quite difficult to tune the FIR equalizer for a great sound.
It would help a lot if it could be overlayed on top of a spectrum analyzer, like the one in the LOS lock screen.
You could then "see" the spectrum peaks and adjust the equaliser accordingly.
Devs, what do you think?
 

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  • 1
    I'm also using RE version on Pixel 7 Pro Android 14 stock 64bit and it works with legacy mode only. Does legacy mode downgrade some options or is it all we can do right now?
    In my experience its certain apps that will only work in legacy mode, BBC Sounds and FM4 need legacy mode but Youtube music works fine in normal on my Pixel 7a, can't say I have noticed a difference in sound/options with legacy mode enabled
  • 551
    ViPER4Android FX
    YF7EJvAcFH9ZuuytKO91DimKH-TQUvYOaA-gmdBrioXY-LSgtjoadLI17gtaGgIkR6KBXyVA4IXtcdjfLdQ=w2880-h1608

    By pittvandewitt and MrWhite214

    Introduction
    Many users are enhancing their smartphone audio experience with the popular ViPER4Android software, but some of us have a hard time installing the driver or they don't like the look of the app. As a solution for these troubles we have rewritten the 2.4.0.1 app source and added all 2.5.0.5 features to it. Many more features have been implemented too.
    With our huge success of ViPER4Android 2.6 we decided to completely rewrite the ViPER4Android app in Kotlin. This allowed us to squeeze out the remaining bugs and clean up the code even more. After a long time of waiting for you and developing for us, ViPER4Android 2.7 is finally here!
    There are many new features and improvements compared to 2.6, of which some can be found in the changelog. Hit the download button to check it out yourself!

    Downloads
    You can download the latest version on XDA Labs
    If you were pointed here for the installer by @Zackptg5, the link can be found here

    pittvandewitt's vdc service
    If you've always wanted to get the most neutral and arguably best sound coming from your headphones, make sure to join the VDC service to request a file!

    Donate
    You can donate to us via PayPal or buy our donation package from XDA Labs with extra features!
    Donate via PayPal
    Buy our donation package *coming soon*

    Dev Note
    If you want to include the app in your work, you're free to do so as long as you give proper credits

    Legal notice
    We are not associated with vipersaudio nor audlabs.
    Stating their Github readme we're free to use the driver as long as it's not used commercially.
    The driver parameters are obtained from the 2.4.0.1 source. The graphical EQ interface is inspired by the Cyanogenmod DSP application
    The app is still named ViPER4Android, because the driver isn't any different from what ViPER ACOUSTIC provides.
    Renaming it without changing anything would be considered kanging, which is not what is going on here.

    Credits
    ViPER ACOUSTIC for the driver
    Bappo for Swedish translation
    pittvandewitt for Dutch translation
    sazuke0703 for Thai translation
    R1DEN for Russian translation
    Hede for Danish translation
    gloeyisk for Indonesian translation
    LCS for Chinese simplified and traditional translations
    razor84 for Turkish translation

    Installation
    Download and install the APK from XDA Labs
    Follow the instructions when opening the app

    XDA:DevDB Information
    ViPERAndroid, App for the Apps & Games

    Contributors
    Team_DeWitt, pittvandewitt, Mr_White_214

    Version Information
    Status: Stable
    Current Stable Version: 2.7.2.1
    Stable Release Date: 2020-10-27

    Created 2018-04-09
    Last Updated 2020-10-27
    142
    Currently on the wishing list
    • Car mode / head unit detection
    • More translations. If you're interested, take a look over here to find the files. Fork the repo and make a pull request to get your translation merged in next release!
    • EMUI (Huawei) 8.0+ refuses to load the driver. Ask ViPER ACOUSTIC for a 64bit driver (Can't fix)
    • Updated driver that does not require selinux injections or the libstdc++ dependency workaround (Can't fix)

    Before reporting:
    Make sure you use the latest APK provided on XDA Labs
    Make sure any other audio mod is disabled/removed before installing the driver. We really cannot afford fixing every single device setup, especially when it's not related to the app


    If you would like to report a bug, pm @Team_DeWitt using the following format:
    [Describe the problem and your steps you take to reproduce it]
    [Phone brand and model]
    [OS (ROM) + Android version]
    [Root method (in case of magisk: core or full)]
    [Provide a link to your log file]
    120
    Changelog

    2.7.2.1
    • Improved loading logic for convolution files
    • Fixed an issue when installing the module on older Magisk versions
    • Bug fixes
    • Stability improvements


    2.7.2.0
    • Android 11 support
    • Automatically save/restore settings based on the device type/name
    • Add preset widget
    • Reworked presets
    • Performance improvements
    • Close service when no music playback is active if legacy mode is disabled
    • Add optional crashlytics to help improving future versions

    2.7.1.6
    • Support Magisk 20.3
    • Long press a feature to show description
    • Material theme update
    • Support scoped storage on Android 10+ (Preset dir is now /sdcard/Android/data/com.pittvandewitt.viperfx/files/Preset)

    2.7.1.0
    • Support Magisk 19
    • Add compatibility setting
    • Add ability to attach to sessions
    • Fix preset loading bug
    • Switch from setools to magiskpolicy
    • Important release notes: Link

    2.7.0.0
    • Full rewrite in Kotlin
    • New UI
    • Presets can be managed in the app itself
    • Effects can be set more precisely with seekbars
    • Min API 23
    • Uses 2.5.0.4 driver only
    • Audio routing bug fixed
    • Driver status bug fixed
    • Cross device effect changing bug fixed
    • App follows system dark/light mode (can be toggled with google messages e.g.)
    • Installation is faster and more versatile
    • Notification settings
    • Reduced APK size significantly

    2.6.0.5
    • Add app shortcuts (7.1+)
    • Minor interface redesign
    • Fix muffled sound
    • Fix options not applying
    • Fix profile conversion
    • Introduce vdc service
    • Improve performance
    • Update driver installation
    • Update chinese translations, thanks to KiSS

    2.6.0.4
    • Retain service after clearing recents
    • Emergency service.sh fix
    • Support Magisk core mode
    • Fix profile load loop
    • Recover speaker service
    • Fix convolver
    • Support Pixel devices
    • Use su.d if possible
    • Force global effect mode
    • Add Korean translation by @nebulac

    2.6.0.3
    • Fix /system install and uninstall.
    • Add temporary workaround for the convolver
    • Updated strings

    2.6.0.2
    • Fix FC while installing the driver
    • Add root check before installing the driver
    • Removed lucky patcher check
    • Capitalized driver status outputs
    • Updated strings

    2.6.0.1
    • Fix profile loading
    • Fix assets bug
    2.6.0.0
    • Initial Release
    101
    2.7.1.0 released

    Yay it's finally time to release an update

    And with this release come a few important release notes:
    Support for Magisk prior to v19 is dropped.
    If you did not use magisk, you need to reflash your /system partition and reinstall the driver
    An audio attach setting is added too to improve compatibility and it needs some explanation:
    For every time you play a song, the audio player should send information about what session the audio is played on, so equalizer apps can attach to that session.
    Session 0 is the default but deprecated session. Most of the time V4A processes just fine at session 0, but if it doesn't you can enable this switch and Viper will attach to other sessions. Note that if you don't have any session open, the driver status will say abnormal, which makes sense.
    There is the need for a switch, because in a lot of cases audio players do NOT send the information when a session is closed. So they keep the driver occupied and this mutes all other audio streams, including session 0 which is the fallback session.
    To make this problem a bit less bad, I excluded session 0. But when you still run into this problem, the solution is not to kill viper but to kill the audio app that was playing music previously.
    Bad design, I know. But it's not my fault. You should contact the developer of the music app to fix their crappy code and send a broadcast when audio playback stops/pauses.
    This switch makes ACP obsolete.

    Other things that have improved:
    I've seen multiple issues with android pie where the viper library wasn't detected any longer because a dependency is removed since the update. A workaround is shipped in the new release.
    The compatibility mode switch has been added back. This seems to be mandatory for car mode and some android q builds.
    An issue when loading presets has been resolved

    Download can be found on labs as always: Link
    95
    Answers to some related questions

    Help, the driver status says no
    • In case of Enabled: no; Please flip the Master limiter switch and go sit in a corner for a while
    • In case of Processing: no; If you use an application that uses audio sessions, enable session attaching in the settings. If that does not work, the audio is routed over session 0. You might want to try Audio Compatibility Patch from the Magisk repository in this case.

    What happened to the profiles?
    • They're now called presets. They are reworked to use independently per device, a feature that was very welcome. Because of many technical changes and improvements on how the preset is stored and loaded, they are not compatible with older versions than 2.7. You will have to recreate them by hand unfortunately. You can access the menu by pressing the selected device in case you missed the huge showcase when you first launched the app after installing the driver

    Why does your Magisk module not work?
    • Probably because you installed some other mod that also has an audio_effects file in it. Whatever module gets loaded last will become active
      The easiest way to bypass this is to let the app build a module after you installed all your favorite audio mods, and delete all files containing audio_effects in the other modules
      AudModLib will not come in handy this time, because the app doesn't flash a zip that AML can intercept

    Where can I find the source code?
    • You can't. And there is an obvious reason for that: This app is more sensitive to kangers who start selling this app, likely after adding their bullsh*t to it, rather than to people who actually want to help improve the app. Something like that already happened in the past to other audio software here on xda. Not really something we want to see happen again

    Where did the Selinux switch go?
    • What..? Are you really that careless security wise?
      The app handles this in a much more sophisticated way now. It injects only the absolute necessary rules to allow V4A to process, fully automatically

    Help, why do I still experience service drops?
    • Probably because doze is kicking in because Android doesn't like long running services. The service has been implemented the way the docs suggest. You can try excluding it from doze. Alternatively you can check out dontkillmyapp.com for tips

    Do you have a zip file for me?
    • No. There is no point in providing a zip file anymore. The driver installation is written from scratch and actually works now

    How do I uninstall the driver?
    • Use Magisk Manager to delete the module. If you use another root solution, you can dirty flash your rom or just leave it there