[Magisk] werty2012:
yes , master power enabled, v4a still does not work. Now regarding the "universal deep buffer" I downloaded and flash the Magisk successfully, but did not fix the problem on v4a... So, here the Log:

12-17 18:08:29.803 I/ViPER4Android(4768): Jni library status = false
12-17 18:08:29.807 I/ViPER4Android(4768): Starting service, reason = ViPER4Android::onCreate
12-17 18:08:29.814 I/ViPER4Android(4768): Init environment
12-17 18:08:29.826 I/ViPER4Android(4768): Now checking for external storage writable, file = /storage/emulated/0/v4a_test_file
12-17 18:08:29.827 I/ViPER4Android(4768): External storage path = /storage/emulated/0/
12-17 18:08:29.827 I/ViPER4Android(4768): ViPER4Android root path = /storage/emulated/0/ViPER4Android/
12-17 18:08:29.827 I/ViPER4Android(4768): ViPER4Android kernel path = /storage/emulated/0/ViPER4Android/Kernel/
12-17 18:08:29.827 I/ViPER4Android(4768): ViPER4Android custom DDC path = /storage/emulated/0/ViPER4Android/DDC/
12-17 18:08:29.827 I/ViPER4Android(4768): ViPER4Android profile path = /storage/emulated/0/ViPER4Android/Profile/
12-17 18:08:29.827 I/ViPER4Android(4768): Check driver
12-17 18:08:29.831 I/ViPER4Android(4768): onResume(), Binding service ...
12-17 18:08:29.834 I/ViPER4Android(4768): Found 22 effects
12-17 18:08:29.834 I/ViPER4Android(4768): [1], VR360Audio, Samsung
12-17 18:08:29.834 I/ViPER4Android(4768): [2], Playback Recorder, The Android Open Source Project
12-17 18:08:29.834 I/ViPER4Android(4768): [3], Loudness Enhancer, The Android Open Source Project
12-17 18:08:29.834 I/ViPER4Android(4768): [4], SoundAlivePlus, Samsung
12-17 18:08:29.834 I/ViPER4Android(4768): [5], SoundAlive_EQ, Samsung
12-17 18:08:29.834 I/ViPER4Android(4768): [6], SoundAlive_Virtualizer, Samsung
12-17 18:08:29.834 I/ViPER4Android(4768): [7], SoundAlive_BassBoost, Samsung
12-17 18:08:29.834 I/ViPER4Android(4768): [8], MySpace, Samsung
12-17 18:08:29.834 I/ViPER4Android(4768): [9], MySound, Samsung
12-17 18:08:29.834 I/ViPER4Android(4768): [10], Noise Suppression, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [11], Acoustic Echo Canceler, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [12], Automatic Gain Control, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [13], Far-End Noise Suppression, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [14], Loudness Maximizer for Voice, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [15], Multichannel Downmix To Stereo, The Android Open Source Project
12-17 18:08:29.834 I/ViPER4Android(4768): [16], Visualizer, The Android Open Source Project
12-17 18:08:29.834 I/ViPER4Android(4768): [17], Insert Preset Reverb, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [18], Auxiliary Preset Reverb, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [19], Insert Environmental Reverb, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [20], Auxiliary Environmental Reverb, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [21], Volume, NXP Software Ltd.
12-17 18:08:29.834 I/ViPER4Android(4768): [22], ViPER4Android [2.5.0.4], ViPER.WYF
12-17 18:08:29.834 I/ViPER4Android(4768): Perfect, found ViPER4Android engine at 22
12-17 18:08:29.834 I/ViPER4Android(4768): The version of ViPER4Android engine is 2.5.0.4
12-17 18:08:29.836 I/ViPER4Android(4768): Main activity onResume()
12-17 18:08:29.841 I/ViPER4Android(4768): Service::onStartCommand [Begin check driver]
12-17 18:08:29.842 I/ViPER4Android(4768): Service::onStartCommand [Everything is ok]
12-17 18:08:29.842 I/ViPER4Android(4768): ViPER4Android service connected
12-17 18:08:29.842 I/ViPER4Android(4768): Unbinding service ...
12-17 18:08:29.847 D/ViPER4Android(4768): onCreate
12-17 18:08:29.849 D/ViPER4Android(4768): onCreate
12-17 18:08:30.603 I/ViPER4Android(4768): mPreferenceUpdateReceiver::onReceive()
12-17 18:08:30.604 I/ViPER4Android(4768): Begin system update(headset)
12-17 18:08:30.604 I/ViPER4Android(4768): <+++++++++++++++ Update global effect +++++++++++++++>
12-17 18:08:30.604 I/ViPER4Android(4768): updateSystem(): Commiting effects type
12-17 18:08:30.604 I/ViPER4Android(4768): updateSystem(): Commiting headphone-fx parameters
12-17 18:08:30.604 I/ViPER4Android(4768): updateSystem(): Updating ViPER-DDC.
12-17 18:08:30.604 I/ViPER4Android(4768): extractDDCCoeffs(): DeviceID not found.
12-17 18:08:30.604 I/ViPER4Android(4768): updateSystem(): Updating Spectrum Extension.
12-17 18:08:30.605 I/ViPER4Android(4768): updateSystem(): Updating FIR Equalizer.
12-17 18:08:30.606 I/ViPER4Android(4768): updateSystem(): Updating Convolver.
12-17 18:08:30.606 I/ViPER4Android(4768): Convolver kernel does not exist
12-17 18:08:30.607 I/ViPER4Android(4768): updateSystem(): Updating Field Surround (Colorful Music).
12-17 18:08:30.607 I/ViPER4Android(4768): updateSystem(): Updating Diff Surround.
12-17 18:08:30.607 I/ViPER4Android(4768): updateSystem(): Updating ViPER's Headphone Surround Engine +.
12-17 18:08:30.608 I/ViPER4Android(4768): updateSystem(): Updating Reverberation.
12-17 18:08:30.608 I/ViPER4Android(4768): updateSystem(): Updating Playback AGC.
12-17 18:08:30.609 I/ViPER4Android(4768): updateSystem(): Updating FET Compressor.
12-17 18:08:30.609 I/ViPER4Android(4768): updateSystem(): Updating Dynamic System.
12-17 18:08:30.610 I/ViPER4Android(4768): updateSystem(): Updating Fidelity Control.
12-17 18:08:30.610 I/ViPER4Android(4768): updateSystem(): Updating Cure System.
12-17 18:08:30.610 I/ViPER4Android(4768): updateSystem(): Updating Tube Simulator.
12-17 18:08:30.610 I/ViPER4Android(4768): updateSystem(): Updating AnalogX.
12-17 18:08:30.611 I/ViPER4Android(4768): updateSystem(): Shutting down speaker optimizer.
12-17 18:08:30.611 I/ViPER4Android(4768): updateSystem(): Updating Limiter.
12-17 18:08:30.616 I/ViPER4Android(4768): System updated.
12-17 18:08:30.616 I/ViPER4Android(4768): <++++++++++++++++++++++++++++++++++++++++++++++++++++>
12-17 18:08:30.616 I/ViPER4Android(4768): <+++++++++++++++ Update local effect +++++++++++++++>
12-17 18:08:30.616 I/ViPER4Android(4768): <+++++++++++++++++++++++++++++++++++++++++++++++++++>