commit 2f4fe9f7df8f22c6bc8745407d19df73128810ec
author Jean-Michel Trivi <jmtrivi@google.com> Fri Dec 04 16:20:59 2015 -0800
committer Jean-Michel Trivi <jmtrivi@google.com> Mon Jan 11 12:06:12 2016 -0800
tree df7d3fe791c9256c7ca53fb36c8f563eec714a30
parent dd715cea770697ab6f424df74d69f37def701b30

AudioPolicy: callback for recording configuration change

Each AudioSession tracks start / end of recording, and sends
  a callback to AudioSystem.
AudioSystem tracks a single recording callback tracking
  input source and audio session number.

Change-Id: Ic065751d9ba013e03f2a6ad8dde02542e5465ec0

services/audiopolicy/service/AudioPolicyService.h

diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index a0d5aa2..4c11d93 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -225,6 +225,10 @@
 
             void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state);
             void doOnDynamicPolicyMixStateUpdate(String8 regId, int32_t state);
+            void onRecordingConfigurationUpdate(int event, audio_session_t session,
+                    audio_source_t source);
+            void doOnRecordingConfigurationUpdate(int event, audio_session_t session,
+                    audio_source_t source);
 
 private:
                         AudioPolicyService() ANDROID_API;
@@ -256,7 +260,8 @@
             UPDATE_AUDIOPORT_LIST,
             UPDATE_AUDIOPATCH_LIST,
             SET_AUDIOPORT_CONFIG,
-            DYN_POLICY_MIX_STATE_UPDATE
+            DYN_POLICY_MIX_STATE_UPDATE,
+            RECORDING_CONFIGURATION_UPDATE
         };
 
         AudioCommandThread (String8 name, const wp<AudioPolicyService>& service);
@@ -295,6 +300,9 @@
                     status_t    setAudioPortConfigCommand(const struct audio_port_config *config,
                                                           int delayMs);
                     void        dynamicPolicyMixStateUpdateCommand(String8 regId, int32_t state);
+                    void        recordingConfigurationUpdateCommand(
+                                                        int event, audio_session_t session,
+                                                        audio_source_t source);
                     void        insertCommand_l(AudioCommand *command, int delayMs = 0);
 
     private:
@@ -385,6 +393,13 @@
             int32_t mState;
         };
 
+        class RecordingConfigurationUpdateData : public AudioCommandData {
+        public:
+            int mEvent;
+            audio_session_t mSession;
+            audio_source_t mSource;
+        };
+
         Mutex   mLock;
         Condition mWaitWorkCV;
         Vector < sp<AudioCommand> > mAudioCommands; // list of pending commands
@@ -491,6 +506,8 @@
         virtual void onAudioPortListUpdate();
         virtual void onAudioPatchListUpdate();
         virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state);
+        virtual void onRecordingConfigurationUpdate(int event,
+                        audio_session_t session, audio_source_t source);
 
         virtual audio_unique_id_t newAudioUniqueId();
 
@@ -509,6 +526,9 @@
                             void      onAudioPortListUpdate();
                             void      onAudioPatchListUpdate();
                             void      onDynamicPolicyMixStateUpdate(String8 regId, int32_t state);
+                            void      onRecordingConfigurationUpdate(
+                                        int event, audio_session_t session,
+                                        audio_source_t source);
                             void      setAudioPortCallbacksEnabled(bool enabled);
 
                 // IBinder::DeathRecipient