From aa1f3595b06e6d3d7027a5dd40ae183d71d032f0 Mon Sep 17 00:00:00 2001
From: ponces <ponces26@gmail.com>
Date: Mon, 24 Oct 2022 09:38:34 +0100
Subject: [PATCH 3/5] voip: Fix high pitched voice on Qualcomm devices

Change-Id: I6d314912169776b76d07d8c0301ec5249c1870a2
---
 .../common/managerdefinitions/src/Serializer.cpp     | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp b/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
index 8519cfdc04..d23d55677d 100644
--- a/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/Serializer.cpp
@@ -252,6 +252,7 @@ private:
     std::string mChannelMasksSeparator = ",";
     std::string mSamplingRatesSeparator = ",";
     std::string mFlagsSeparator = "|";
+    std::string mMixPortName = "";
 
     // Children: ModulesTraits, VolumeTraits, SurroundSoundTraits (optional)
 };
@@ -426,13 +427,21 @@ PolicySerializer::deserialize<AudioProfileTraits>(
     std::string samplingRates = getXmlAttribute(cur, Attributes::samplingRates);
     std::string format = getXmlAttribute(cur, Attributes::format);
     std::string channels = getXmlAttribute(cur, Attributes::channelMasks);
+    ChannelTraits::Collection channelsMask = channelMasksFromString(channels, mChannelMasksSeparator.c_str());
+
+    // This breaks in-game voice chat and audio in some messaging apps causing it to play with a higher pitch and speed
+    bool disableStereoVoip = property_get_bool("persist.sys.phh.disable_stereo_voip", false);
+    if (disableStereoVoip && mMixPortName == "voip_rx") {
+        ALOGI("%s: disabling stereo support on voip_rx", __func__);
+        channelsMask = channelMasksFromString("AUDIO_CHANNEL_OUT_MONO", ",");
+    }
 
     if (mIgnoreVendorExtensions && maybeVendorExtension(format)) {
         ALOGI("%s: vendor extension format \"%s\" skipped", __func__, format.c_str());
         return NO_INIT;
     }
     AudioProfileTraits::Element profile = new AudioProfile(formatFromString(format, gDynamicFormat),
-            channelMasksFromString(channels, mChannelMasksSeparator.c_str()),
+            channelsMask,
             samplingRatesFromString(samplingRates, mSamplingRatesSeparator.c_str()));
 
     profile->setDynamicFormat(profile->getFormat() == gDynamicFormat);
@@ -449,6 +458,7 @@ std::variant<status_t, MixPortTraits::Element> PolicySerializer::deserialize<Mix
     using Attributes = MixPortTraits::Attributes;
 
     std::string name = getXmlAttribute(child, Attributes::name);
+    mMixPortName = name;
     if (name.empty()) {
         ALOGE("%s: No %s found", __func__, Attributes::name);
         return BAD_VALUE;
-- 
2.41.0