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Reduced the jitter of Tensor device's offload driver for USB DAC's

README.md

@@ -6,8 +6,8 @@ This module,
     <li>raises the resampling quality of the Android OS mixer (AudioFlinger) to a very mastering quality (i.e., no resampling distortion in a real sense),</li>
     <li>disables the effects framework of the mixer (to interface to equalizers, virtualizers, visualizers, echo cancelers, automatic gain controls, etc.) for obtaining a nearly direct low jitter audio pass,</li>
     <li>disables the android built-in spatial audio feature (A13 or higher; especially Tensor devices) for obtaining a nearly direct low jitter audio pass too,</li>
-    <li>disables the pre-installed Moto Dolby feature for obtaining a nearly direct low jitter audio pass too,</li>
-    <li>adjusts a USB transfer period of the USB HAL driver (not the recently common hardware offloading USB (tunneling) driver) for directly reducing the jitter of a PLL in a DAC (even in an asynchronous mode); Use <a href="https://github.com/yzyhk904/USB_SampleRate_Changer">"USB_SampleRate_Changer"</a> to switch from the usual hardware offloading USB (tunneling) driver to the USB HAL one,</li>
+    <li>disables pre-installed Moto Dolby features for the same as above,</li>
+    <li>adjusts a USB transfer period of the USB HAL driver (not the recently common hardware offloading USB (tunneling) driver, but including Tensor device's offloading USB driver) for directly reducing the jitter of a PLL in a DAC (even in an asynchronous mode); Use <a href="https://github.com/yzyhk904/USB_SampleRate_Changer">"USB_SampleRate_Changer"</a> to switch from the usual hardware offloading USB (tunneling) driver to the USB HAL one,</li>
     <li>sets a higher bitrate limit of bluetooth codec SBC (dual channel mode) for EDR 2Mbps entry class earphones (not for EDR 3Mbps performance ones, but including AV amplifiers and BT speakers),</li>
     <li>sets an audio scheduling tunable "vendor.audio.adm.buffering.ms" "2" to reduce jitter on all audio outputs,</li>
     <li>nullifys volume listener libraries in "soundfx" folders for disabling slight compression (maybe a peak limiter only on Qcomm devices); I recommend using <a href="https://github.com/Magisk-Modules-Alt-Repo/drc-remover">"DRC remover"</a> additionally for disabling much larger compression (DRC) if on Qcomm devices</li>
@@ -36,11 +36,11 @@ This module,
     | ---: | ---: | ---: | ---: | ---- |
     | 90 | 32 | 100 | | AOSP default |
     | This mod. parameters: | - | - | - | - |
-    | 160 | 320 | 91 | | Low Performance under A12 |
-    | 160 | 480 | 91 | | High Performance under A12 |
-    | 167 | 368 | | 106 | Low Performance A12 |
-    | 179 | 408 | | 99 | High Performance A12 |
-    | 194 | 520 | 100 | | Galaxy S4 (USB: 44.1kHz 32bit fixed) |
+    | 160 | 320 | 91 | | Low Performance devices under A12 |
+    | 160 | 480 | 91 | | High Performance devices under A12 |
+    | 167 | 368 | | 106 | Low Performance devices for A12 and later |
+    | 179 | 408 | | 99 | High Performance devices for A12 and later |
+    | 194 | 520 | 100 | | Galaxy S4 (USB: 44.1kHz and 32bits fixed) |
     | External examples: | - | - | - | - |
     | 100 | 29 | | 109 | AK4493 (Sharp Roll-Off for N-fold over-sampling) |
     | 120 | 35 | | 110 | ESS 9038PRO (Sharp Roll-Off for N-fold over-sampling) |

changelog.md

@@ -1,5 +1,8 @@
 ## Change logs
 
+# v1.3.1
+* Reduced the jitter of Tensor device's offload driver for USB DAC's
+
 # v1.3.0
 * Fixed some SELinux related bugs for Magisk v26.0's new magic mount feature
 * Diabled pre-installed Moto Dolby features for reducing large jitter caused by them

customize-functions.sh

@@ -36,6 +36,9 @@ function getActualConfigXML()
         elif [ -e "${dir}_qssi"  -a  -r "${dir}_qssi/${fname}" ]; then
             # OnePlus stock pattern
             echo "${dir}_qssi/${fname}"
+        elif [ "${dir##*/}"  = "sku_`getprop ro.board.platform`"  -a  -r "${dir%/*}/${fname}" ]; then
+            # OnePlus stock pattern2
+            echo "${dir%/*}/${fname}"
         elif [ -r "${dir}/audio/${fname}" ]; then
             # Xiaomi stock pattern
             echo "${dir}/audio/${fname}"
@@ -107,7 +110,7 @@ function makeLibraries()
     local d lname
 
     for d in "lib" "lib64"; do
-        for lname in "libalsautils.so" "libalsautilsv2.so"; do
+        for lname in "libalsautils.so" "libalsautilsv2.so" "audio_usb_aoc.so"; do
             if [ -r "${MAGISKPATH}/.magisk/mirror/vendor/${d}/${lname}" ]; then
                 mkdir -p "${MODPATH}/system/vendor/${d}"
                 patchMapProperty "${MAGISKPATH}/.magisk/mirror/vendor/${d}/${lname}" "${MODPATH}/system/vendor/${d}/${lname}"
@@ -253,29 +256,8 @@ function replaceSystemProps_SDM845()
 
 function replaceSystemProps_SDM()
 {
-    if [ -e "${MODPATH%/*/*}/modules/usb-samplerate-unlocker"  -o  -e "${MODPATH%/*/*}/modules_update/usb-samplerate-unlocker" ]; then
-        sed -i \
-            -e 's/vendor\.audio\.usb\.perio=.*$/vendor\.audio\.usb\.perio=2625/' \
-            -e 's/vendor\.audio\.usb\.out\.period_us=.*$/vendor\.audio\.usb\.out\.period_us=2625/' \
-                "$MODPATH/system.prop"
-        sed -i \
-            -e 's/vendor\.audio\.usb\.perio=.*$/vendor\.audio\.usb\.perio=2625/' \
-            -e 's/vendor\.audio\.usb\.out\.period_us=.*$/vendor\.audio\.usb\.out\.period_us=2625/' \
-                "$MODPATH/system.prop-workaround"
-
-        loosenedMessage 192kHz
-
-    else
-        sed -i \
-            -e 's/vendor\.audio\.usb\.perio=.*$/vendor\.audio\.usb\.perio=2500/' \
-            -e 's/vendor\.audio\.usb\.out\.period_us=.*$/vendor\.audio\.usb\.out\.period_us=2500/' \
-                "$MODPATH/system.prop"
-        sed -i \
-            -e 's/vendor\.audio\.usb\.perio=.*$/vendor\.audio\.usb\.perio=2500/' \
-            -e 's/vendor\.audio\.usb\.out\.period_us=.*$/vendor\.audio\.usb\.out\.period_us=2500/' \
-                "$MODPATH/system.prop-workaround"
-
-    fi
+    # Do nothing even if "usb-samplerate-unlocker" exists
+    :
 }
 
 function replaceSystemProps_MTK_Dimensity()
@@ -337,7 +319,7 @@ function deSpatializeAudioPolicyConfig()
             chmod 644 "$modConfigXML"
             chcon u:object_r:vendor_configs_file:s0 "$modConfigXML"
             chown root:root "$modConfigXML"
-            chmod -R a+rX "$MODPATH/system/vendor/etc"
+            chmod -R a+rX "${modConfigXML%/*}"
             if [ -z "$REPLACE" ]; then
                 REPLACE="/system${configXML}"
             else
@@ -353,13 +335,19 @@ function disableMotoDolby()
 /system_ext/priv-app/MotoDolbyDax3
 /system_ext/priv-app/MotorolaSettingsProvider
 /system_ext/priv-app/daxService
+/system_ext/priv-app/DaxUI
 /system_ext/app/MotoSignatureApp
 "
     local MAGISKPATH="$(magisk --path)"
     local dir mdir
 
     for dir in $MotoApps; do
         if [ -d "${MAGISKPATH}/.magisk/mirror${dir}" ]; then
+            case "${dir}" in
+                /system/* )
+                    dir="${dir#/system}"
+                ;;
+            esac
             mdir="${MODPATH}/system${dir}"
             mkdir -p "$mdir"
             chmod a+rx "$mdir"

customize.sh

@@ -4,7 +4,7 @@
 
 REPLACE=""
 
-# making patched ALSA utility libraries for "ro.audio.usb.period_us"
+# making patched ALSA utility and Tensor's offload libraries for "ro.audio.usb.period_us"
 makeLibraries
 # removing post-A13 (especially Tensor's) spatial audio flags in an audio configuration file for avoiding errors
 deSpatializeAudioPolicyConfig "/vendor/etc/bluetooth_audio_policy_configuration_7_0.xml"
@@ -14,13 +14,13 @@ disableMotoDolby
 if "$IS64BIT"; then
     board="`getprop ro.board.platform`"
     case "$board" in
-        "kona" )
+        "kona" | "kalama" | "shima" | "yupik" )
             replaceSystemProps_Kona
             ;;
-        "sdm845" | "bengal" | "kalama" )
+        "sdm845" | gs* )
             replaceSystemProps_SDM845
             ;;
-        "sdm660" )
+        "sdm660" | "bengal" | "holi" )
             replaceSystemProps_SDM
             ;;
         mt68* )

module.prop

@@ -1,6 +1,6 @@
 id=audio-misc-settings
 name=Audio misc. settings
-version=v1.3.0
-versionCode=1300
+version=v1.3.1
+versionCode=1301
 author=zyhk
 description=Setting audio misc. configuration values (e.g. 100 volume steps, raising the resampling quality, disabling the effects framework, etc.)

post-fs-data.sh

@@ -12,7 +12,7 @@ if [ \( -e "${MODDIR%/*/*}/modules/usb-samplerate-unlocker"  -a  ! -e "${MODDIR%
 
     # If usb-samplerate-unlock exists, save related libraries elsewhere  because the unlocker will do the same thing in itself.
     for d in "lib" "lib64"; do
-        for lname in "libalsautils.so" "libalsautilsv2.so"; do
+        for lname in "libalsautils.so" "libalsautilsv2.so" "audio_usb_aoc.so"; do
             if [ -r "${MODDIR}/system/vendor/${d}/${lname}" ]; then
                 mkdir -p "${MODDIR}/save/vendor/${d}"
                 mv "${MODDIR}/system/vendor/${d}/${lname}" "${MODDIR}/save/vendor/${d}/${lname}"
@@ -24,7 +24,7 @@ else
 
     # If usb-samplerate-unlock doesn't exist, restore related libraries from their saved folders.
     for d in "lib" "lib64"; do
-        for lname in "libalsautils.so" "libalsautilsv2.so"; do
+        for lname in "libalsautils.so" "libalsautilsv2.so" "audio_usb_aoc.so"; do
             if [ -r "${MODDIR}/save/vendor/${d}/${lname}"  -a  -e "${MODDIR}/system/vendor/${d}" ]; then
                 mv "${MODDIR}/save/vendor/${d}/${lname}" "${MODDIR}/system/vendor/${d}/${lname}"
                 chmod 644 "${MODDIR}/system/vendor/${d}/${lname}"