commit bdefaf0a994b45a658a060ddafd4d53e2936222a
author Marvin Ramin <marvinramin@google.com> Wed Nov 01 09:10:32 2023 +0100
committer Marvin Ramin <marvinramin@google.com> Wed Feb 07 10:01:59 2024 +0100
tree dcce4a4bc90be1e614fa84f4c1069c83629789c8
parent f4a6c87cfdf2a11fc4bd74767ca4accc57094761

Add support to get registered policy mixes

This new (Test)Api exposes all AudioMixes registered with AudioPolicyManager.
The TestApi is very useful in verifying AudioMix/AudioPolicy behavior in
the Java and Native layer to debug and assert the correct behavior.

Bug: 309080867
Test: atest AudioHostTest

Change-Id: Icdc2a482228ab06ac7386915ddbeb0cfcc24889d

services/audiopolicy/service/AudioPolicyService.cpp

diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index aed6458..bc6498a 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -166,7 +166,8 @@
 BINDER_METHOD_ENTRY(setPreferredMixerAttributes) \
 BINDER_METHOD_ENTRY(getPreferredMixerAttributes) \
 BINDER_METHOD_ENTRY(clearPreferredMixerAttributes) \
-
+BINDER_METHOD_ENTRY(getRegisteredPolicyMixes) \
+                                                     \
 // singleton for Binder Method Statistics for IAudioPolicyService
 static auto& getIAudioPolicyServiceStatistics() {
     using Code = int;
@@ -1348,7 +1349,8 @@
         case TRANSACTION_getDevicesForRoleAndCapturePreset:
         case TRANSACTION_getSpatializer:
         case TRANSACTION_setPreferredMixerAttributes:
-        case TRANSACTION_clearPreferredMixerAttributes: {
+        case TRANSACTION_clearPreferredMixerAttributes:
+        case TRANSACTION_getRegisteredPolicyMixes: {
             if (!isServiceUid(IPCThreadState::self()->getCallingUid())) {
                 ALOGW("%s: transaction %d received from PID %d unauthorized UID %d",
                       __func__, code, IPCThreadState::self()->getCallingPid(),