Support query direct playback support.
Support query direct playback support. Direct playback can be compressed
offload playback or compressed passthrough playback. This interface can
help developers to discover device's capabilities.
Bug: 197838445
Test: atest AudioManagerTest
Test: audiopolicy_fuzzer
Change-Id: I4066f53f5021b30e1fcf66de162c766326ee56cc
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 07ef246..b3c82787 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -2289,6 +2289,31 @@
return OK;
}
+status_t AudioSystem::getDirectPlaybackSupport(const audio_attributes_t *attr,
+ const audio_config_t *config,
+ audio_direct_mode_t* directMode) {
+ if (attr == nullptr || config == nullptr || directMode == nullptr) {
+ return BAD_VALUE;
+ }
+
+ const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+ if (aps == 0) {
+ return PERMISSION_DENIED;
+ }
+
+ media::AudioAttributesInternal attrAidl = VALUE_OR_RETURN_STATUS(
+ legacy2aidl_audio_attributes_t_AudioAttributesInternal(*attr));
+ AudioConfig configAidl = VALUE_OR_RETURN_STATUS(
+ legacy2aidl_audio_config_t_AudioConfig(*config, false /*isInput*/));
+
+ media::AudioDirectMode retAidl;
+ RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(
+ aps->getDirectPlaybackSupport(attrAidl, configAidl, &retAidl)));
+ *directMode = VALUE_OR_RETURN_STATUS(aidl2legacy_int32_t_audio_direct_mode_t_mask(
+ static_cast<int32_t>(retAidl)));
+ return NO_ERROR;
+}
+
class CaptureStateListenerImpl : public media::BnCaptureStateListener,
public IBinder::DeathRecipient {