Audio HAL V5: Introduce HAL V5, equal to V4 for now
Port audio HAL V5 to AOSP for BT HAL.
The implementation is not ported as that would require to port an
additional ~30 patches and is not needed by the BT team.
Bug: 118203066
Test: Compile
Change-Id: If99a5645d19c9780019704ea4f51f8114d83ee8e
Merged-In: If99a5645d19c9780019704ea4f51f8114d83ee8f
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/audio/effect/5.0/IEffectsFactory.hal b/audio/effect/5.0/IEffectsFactory.hal
new file mode 100644
index 0000000..a88b381
--- /dev/null
+++ b/audio/effect/5.0/IEffectsFactory.hal
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+package android.hardware.audio.effect@5.0;
+
+import android.hardware.audio.common@5.0;
+import IEffect;
+
+interface IEffectsFactory {
+ /**
+ * Returns descriptors of different effects in all loaded libraries.
+ *
+ * @return retval operation completion status.
+ * @return result list of effect descriptors.
+ */
+ getAllDescriptors() generates(Result retval, vec<EffectDescriptor> result);
+
+ /**
+ * Returns a descriptor of a particular effect.
+ *
+ * @return retval operation completion status.
+ * @return result effect descriptor.
+ */
+ getDescriptor(Uuid uid) generates(Result retval, EffectDescriptor result);
+
+ /**
+ * Creates an effect engine of the specified type. To release the effect
+ * engine, it is necessary to release references to the returned effect
+ * object.
+ *
+ * @param uid effect uuid.
+ * @param session audio session to which this effect instance will be
+ * attached. All effects created with the same session ID
+ * are connected in series and process the same signal
+ * stream.
+ * @param ioHandle identifies the output or input stream this effect is
+ * directed to in audio HAL.
+ * @return retval operation completion status.
+ * @return result the interface for the created effect.
+ * @return effectId the unique ID of the effect to be used with
+ * IStream::addEffect and IStream::removeEffect methods.
+ */
+ createEffect(Uuid uid, AudioSession session, AudioIoHandle ioHandle)
+ generates (Result retval, IEffect result, uint64_t effectId);
+};