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/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index c5cdc25..dd0cd9b 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -192,6 +192,10 @@
// return the enabled output devices for the given stream type
virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream) = 0;
+ // retrieves the list of enabled output devices for the given audio attributes
+ virtual status_t getDevicesForAttributes(const audio_attributes_t &attr,
+ AudioDeviceTypeAddrVector *devices) = 0;
+
// Audio effect management
virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc) = 0;
virtual status_t registerEffect(const effect_descriptor_t *desc,