Dynamic audio policies: multi-zone through uid/device affinity
Setting audio device affinity for a given uid augments all
audio mix criteria that do not route to the given devices
to exclude the uid.
AudioPolicyManager: after changing the device affinity,
check the outputs addressing the devices to re-evaluate
audio routing
Bug: 111647296
Test: requires device with routing policy started by CarService
Change-Id: I72de54ae067151fe6ac2ec43b78fe544a9fd9888
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index 439764b..80503fd 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -1037,6 +1037,31 @@
}
}
+status_t AudioPolicyService::setUidDeviceAffinities(uid_t uid,
+ const Vector<AudioDeviceTypeAddr>& devices) {
+ Mutex::Autolock _l(mLock);
+ if(!modifyAudioRoutingAllowed()) {
+ return PERMISSION_DENIED;
+ }
+ if (mAudioPolicyManager == NULL) {
+ return NO_INIT;
+ }
+ AutoCallerClear acc;
+ return mAudioPolicyManager->setUidDeviceAffinities(uid, devices);
+}
+
+status_t AudioPolicyService::removeUidDeviceAffinities(uid_t uid) {
+ Mutex::Autolock _l(mLock);
+ if(!modifyAudioRoutingAllowed()) {
+ return PERMISSION_DENIED;
+ }
+ if (mAudioPolicyManager == NULL) {
+ return NO_INIT;
+ }
+ AutoCallerClear acc;
+ return mAudioPolicyManager->removeUidDeviceAffinities(uid);
+}
+
status_t AudioPolicyService::startAudioSource(const struct audio_port_config *source,
const audio_attributes_t *attributes,
audio_port_handle_t *portId)