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
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 9d645f0..46622ea 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -37,6 +37,7 @@
sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient;
audio_error_callback AudioSystem::gAudioErrorCallback = NULL;
dynamic_policy_callback AudioSystem::gDynPolicyCallback = NULL;
+record_config_callback AudioSystem::gRecordConfigCallback = NULL;
// establish binder interface to AudioFlinger service
@@ -652,6 +653,12 @@
gDynPolicyCallback = cb;
}
+/*static*/ void AudioSystem::setRecordConfigCallback(record_config_callback cb)
+{
+ Mutex::Autolock _l(gLock);
+ gRecordConfigCallback = cb;
+}
+
// client singleton for AudioPolicyService binder interface
// protected by gLockAPS
sp<IAudioPolicyService> AudioSystem::gAudioPolicyService;
@@ -1223,6 +1230,19 @@
}
}
+void AudioSystem::AudioPolicyServiceClient::onRecordingConfigurationUpdate(
+ int event, audio_session_t session, audio_source_t source) {
+ record_config_callback cb = NULL;
+ {
+ Mutex::Autolock _l(AudioSystem::gLock);
+ cb = gRecordConfigCallback;
+ }
+
+ if (cb != NULL) {
+ cb(event, session, source);
+ }
+}
+
void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who __unused)
{
{