APM: support querying of audio playback routing
Add support for querying the audio devices used for playback
routing for the given audio attributes.
Take into account registered dynamic policies but disregard
secondary output descriptors as they are used for playback
capture.
Bug: 144440677
Test: atest AudioServiceHostTest
Change-Id: I102c57b432b044dc6b0ead49e0a30d8e9094411d
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index 44c1d09..01614ce 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -801,6 +801,17 @@
return mAudioPolicyManager->getDevicesForStream(stream);
}
+status_t AudioPolicyService::getDevicesForAttributes(const AudioAttributes &aa,
+ AudioDeviceTypeAddrVector *devices) const
+{
+ if (mAudioPolicyManager == NULL) {
+ return NO_INIT;
+ }
+ Mutex::Autolock _l(mLock);
+ AutoCallerClear acc;
+ return mAudioPolicyManager->getDevicesForAttributes(aa.getAttributes(), devices);
+}
+
audio_io_handle_t AudioPolicyService::getOutputForEffect(const effect_descriptor_t *desc)
{
// FIXME change return type to status_t, and return NO_INIT here
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 135b3ac..84adcc2 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -127,6 +127,8 @@
virtual uint32_t getStrategyForStream(audio_stream_type_t stream);
virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream);
+ virtual status_t getDevicesForAttributes(const AudioAttributes &aa,
+ AudioDeviceTypeAddrVector *devices) const;
virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc);
virtual status_t registerEffect(const effect_descriptor_t *desc,