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
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 9ef1db7..ed1e6d1 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -1225,6 +1225,13 @@
return aps->getMasterMono(mono);
}
+float AudioSystem::getStreamVolumeDB(audio_stream_type_t stream, int index, audio_devices_t device)
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return NAN;
+ return aps->getStreamVolumeDB(stream, index, device);
+}
+
// ---------------------------------------------------------------------------
int AudioSystem::AudioPolicyServiceClient::addAudioPortCallback(