AudioSystem callback for dynamic policy mix activity
Add method to AudioPolicyServiceClient for dynamic policy mix
activity notification.
Propagate notification to a dedicated callback.
Bug 20226914
Change-Id: I37928ed38e15ea2b8fed022cccadeca8c4d6c876
diff --git a/include/media/AudioPolicy.h b/include/media/AudioPolicy.h
index 800b27b..feed402 100644
--- a/include/media/AudioPolicy.h
+++ b/include/media/AudioPolicy.h
@@ -38,14 +38,17 @@
#define MIX_TYPE_PLAYERS 0
#define MIX_TYPE_RECORDERS 1
+// definition of the different events that can be reported on a dynamic policy from
+// AudioSystem's implementation of the AudioPolicyClient interface
+// keep in sync with AudioSystem.java
+#define DYNAMIC_POLICY_EVENT_MIX_STATE_UPDATE 0
+
#define MIX_STATE_DISABLED -1
#define MIX_STATE_IDLE 0
#define MIX_STATE_MIXING 1
-#define ROUTE_FLAG_RENDER 0x1
-#define ROUTE_FLAG_LOOP_BACK (0x1 << 1)
-
-#define MIX_FLAG_NOTIFY_ACTIVITY 0x1
+#define MIX_ROUTE_FLAG_RENDER 0x1
+#define MIX_ROUTE_FLAG_LOOP_BACK (0x1 << 1)
#define MAX_MIXES_PER_POLICY 10
#define MAX_CRITERIA_PER_MIX 20
@@ -67,11 +70,15 @@
class AudioMix {
public:
+ // flag on an AudioMix indicating the activity on this mix (IDLE, MIXING)
+ // must be reported through the AudioPolicyClient interface
+ static const uint32_t kCbFlagNotifyActivity = 0x1;
+
AudioMix() {}
AudioMix(Vector<AttributeMatchCriterion> criteria, uint32_t mixType, audio_config_t format,
uint32_t routeFlags, String8 registrationId, uint32_t flags) :
mCriteria(criteria), mMixType(mixType), mFormat(format),
- mRouteFlags(routeFlags), mRegistrationId(registrationId), mFlags(flags){}
+ mRouteFlags(routeFlags), mRegistrationId(registrationId), mCbFlags(flags){}
status_t readFromParcel(Parcel *parcel);
status_t writeToParcel(Parcel *parcel) const;
@@ -81,7 +88,7 @@
audio_config_t mFormat;
uint32_t mRouteFlags;
String8 mRegistrationId;
- uint32_t mFlags;
+ uint32_t mCbFlags; // flags indicating which callbacks to use, see kCbFlag*
};
}; // namespace android