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/IEffectBufferProviderCallback.hal b/audio/effect/5.0/IEffectBufferProviderCallback.hal
new file mode 100644
index 0000000..aabd15e
--- /dev/null
+++ b/audio/effect/5.0/IEffectBufferProviderCallback.hal
@@ -0,0 +1,38 @@
+/*
+ * 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;
+
+/**
+ * This callback interface contains functions that can be used by the effect
+ * engine 'process' function to exchange input and output audio buffers.
+ */
+interface IEffectBufferProviderCallback {
+ /**
+ * Called to retrieve a buffer where data should read from by 'process'
+ * function.
+ *
+ * @return buffer audio buffer for processing
+ */
+ getBuffer() generates (AudioBuffer buffer);
+
+ /**
+ * Called to provide a buffer with the data written by 'process' function.
+ *
+ * @param buffer audio buffer for processing
+ */
+ putBuffer(AudioBuffer buffer);
+};