| /* |
| * 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.media.bufferpool@2.0; |
| |
| /** |
| * IObserver listens on notifications from the buffer pool. On receiving |
| * notifications, FMQ messages from the specific buffer pool which are already |
| * in the FMQ are processed. |
| */ |
| interface IObserver { |
| |
| /** |
| * The specific buffer pool sent a message to the client. Calling this |
| * method from the buffer pool enforces a buffer pool client process the |
| * message. |
| * |
| * @param connectionId the connection Id of the specific buffer pool client |
| * @param msgId Id of the most recent message |
| */ |
| oneway onMessage(int64_t connectionId, uint32_t msgId); |
| }; |