Enable global effect on Spatializer thread
- APM select spatializer output for music effects when it is active
- mirror mEffectBuffer input/output for AUDIO_SESSION_OUTPUT_MIX session
- return mixerChannelMask for AUDIO_SESSION_OUTPUT_MIX session
- add a helper for stereo spatializer feature enablement check
Flag: EXEMPT bugfix
Bug: 361519000
Test: Enable Visualizer/DynamicsProcessing effect with Clarity
Test: atest CtsMediaAudioTestCases
Change-Id: I366da7bde778040fb8907505760b8e5fc061161d
diff --git a/services/audiopolicy/common/include/SpatializerHelper.h b/services/audiopolicy/common/include/SpatializerHelper.h
new file mode 100644
index 0000000..2eb6613
--- /dev/null
+++ b/services/audiopolicy/common/include/SpatializerHelper.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <com_android_media_audio.h>
+#include <cutils/properties.h>
+
+namespace android {
+
+class SpatializerHelper {
+ public:
+ /**
+ * @brief Check if the stereo spatialization feature turned on by:
+ * - sysprop "ro.audio.stereo_spatialization_enabled" is true
+ * - com_android_media_audio_stereo_spatialization flag is on
+ *
+ * @return true if the stereo spatialization feature is enabled
+ * @return false if the stereo spatialization feature is not enabled
+ */
+ static bool isStereoSpatializationFeatureEnabled() {
+ static const bool stereoSpatializationEnabled =
+ property_get_bool("ro.audio.stereo_spatialization_enabled", false) &&
+ com_android_media_audio_stereo_spatialization();
+ return stereoSpatializationEnabled;
+ }
+};
+
+} // namespace android