audio policy: Add call screen audio mode.
Add new audio mode AUDIO_MODE_CALL_SCREEN allowing call screening
to take place while other audio use cases are still active.
Also add API and audio policy configuration attribute to
indicate if the platform supports this audio mode.
Bug: 140384450
Test: make
Change-Id: If2fc56dbbd10aae2cf1498480471b35de0940228
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 02dc516..20ca35c 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -1519,6 +1519,13 @@
return aps->setRttEnabled(enabled);
}
+bool AudioSystem::isCallScreenModeSupported()
+{
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) return false;
+ return aps->isCallScreenModeSupported();
+}
+
// ---------------------------------------------------------------------------
int AudioSystem::AudioPolicyServiceClient::addAudioPortCallback(
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index 7cc95e5..f27e21a 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -104,7 +104,8 @@
GET_VOLUME_GROUP_FOR_ATTRIBUTES,
SET_ALLOWED_CAPTURE_POLICY,
MOVE_EFFECTS_TO_IO,
- SET_RTT_ENABLED
+ SET_RTT_ENABLED,
+ IS_CALL_SCREEN_MODE_SUPPORTED
};
#define MAX_ITEMS_PER_LIST 1024
@@ -1284,6 +1285,17 @@
}
return static_cast<status_t>(reply.readInt32());
}
+
+ virtual bool isCallScreenModeSupported()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
+ status_t status = remote()->transact(IS_CALL_SCREEN_MODE_SUPPORTED, data, &reply);
+ if (status != NO_ERROR) {
+ return false;
+ }
+ return reply.readBool();
+ }
};
IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService");
@@ -1346,7 +1358,8 @@
case GET_OFFLOAD_FORMATS_A2DP:
case LIST_AUDIO_VOLUME_GROUPS:
case GET_VOLUME_GROUP_FOR_ATTRIBUTES:
- case SET_RTT_ENABLED: {
+ case SET_RTT_ENABLED:
+ case IS_CALL_SCREEN_MODE_SUPPORTED: {
if (!isServiceUid(IPCThreadState::self()->getCallingUid())) {
ALOGW("%s: transaction %d received from PID %d unauthorized UID %d",
__func__, code, IPCThreadState::self()->getCallingPid(),
@@ -2237,7 +2250,6 @@
reply->writeBool(isSupported);
return NO_ERROR;
}
-
case SET_UID_DEVICE_AFFINITY: {
CHECK_INTERFACE(IAudioPolicyService, data, reply);
const uid_t uid = (uid_t) data.readInt32();
@@ -2369,6 +2381,13 @@
return NO_ERROR;
}
+ case IS_CALL_SCREEN_MODE_SUPPORTED: {
+ CHECK_INTERFACE(IAudioPolicyService, data, reply);
+ bool isAvailable = isCallScreenModeSupported();
+ reply->writeBool(isAvailable);
+ return NO_ERROR;
+ }
+
default:
return BBinder::onTransact(code, data, reply, flags);
}
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 09e80b2..4fadd09 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -396,6 +396,8 @@
static status_t setRttEnabled(bool enabled);
+ static bool isCallScreenModeSupported();
+
// ----------------------------------------------------------------------------
class AudioVolumeGroupCallback : public RefBase
diff --git a/media/libaudioclient/include/media/IAudioPolicyService.h b/media/libaudioclient/include/media/IAudioPolicyService.h
index 32275cf..df4ebfa 100644
--- a/media/libaudioclient/include/media/IAudioPolicyService.h
+++ b/media/libaudioclient/include/media/IAudioPolicyService.h
@@ -222,6 +222,8 @@
volume_group_t &volumeGroup) = 0;
virtual status_t setRttEnabled(bool enabled) = 0;
+
+ virtual bool isCallScreenModeSupported() = 0;
};