Support audio recording while remote submix is active

When evaluating if an audio record is active, do not count inputs
 opened on "virtual" devices, such as remote submix, as active.

Change-Id: If19c321cf673e3bdf4c3f81e73c163190df7c21e

1 files changed, 4 insertions, 1 deletions

diff --git a/include/hardware_legacy/AudioPolicyManagerBase.h b/include/hardware_legacy/AudioPolicyManagerBase.h
index 07e52f7..f110c20 100644
--- a/include/hardware_legacy/AudioPolicyManagerBase.h
+++ b/include/hardware_legacy/AudioPolicyManagerBase.h
@@ -345,7 +345,9 @@ protected:
         virtual audio_devices_t getDeviceForInputSource(int inputSource);
 
         // return io handle of active input or 0 if no input is active
-        audio_io_handle_t getActiveInput();
+        //    Only considers inputs from physical devices (e.g. main mic, headset mic) when
+        //    ignoreVirtualInputs is true.
+        audio_io_handle_t getActiveInput(bool ignoreVirtualInputs = true);
 
         // initialize volume curves for each strategy and device category
         void initializeVolumeCurves();
@@ -559,6 +561,7 @@ private:
         // updates device caching and output for streams that can influence the
         //    routing of notifications
         void handleNotificationRoutingForStream(AudioSystem::stream_type stream);
+        static bool isVirtualInputDevice(audio_devices_t device);
 };
 
 };