commit ac9cef5f3288df6e65cb4488e2615cc3c07b70d0
author Eric Laurent <elaurent@google.com> Fri Jun 09 15:46:26 2017 -0700
committer Eric Laurent <elaurent@google.com> Thu Jun 15 10:42:59 2017 -0700
tree 3369bd965510d5c3e8ea6257bb1368a677e535c6
parent 3c1ba2cd6276ee4304ba082fbe40fd870c1746c8

audio policy: add method to query dB attenuation for a certain volume and device

Bug: 62492975
Test: Check dB value returned to AudioService when stream volume is
changed

Change-Id: I8d0a945e9151d230b93634e4b9e57bab68f44fa8

services/audiopolicy/managerdefault/AudioPolicyManager.h

diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index c831d46..c62ba25 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -234,6 +234,8 @@
 
         virtual status_t setMasterMono(bool mono);
         virtual status_t getMasterMono(bool *mono);
+        virtual float    getStreamVolumeDB(
+                    audio_stream_type_t stream, int index, audio_devices_t device);
 
         // return the strategy corresponding to a given stream type
         routing_strategy getStrategy(audio_stream_type_t stream) const;