1 // Copyright (C) 2020 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef COMPUTEPIPE_RUNNER_STREAM_ENGINE_INTERFACE_H 16 #define COMPUTEPIPE_RUNNER_STREAM_ENGINE_INTERFACE_H 17 18 #include "MemHandle.h" 19 #include "types/Status.h" 20 21 namespace android { 22 namespace automotive { 23 namespace computepipe { 24 namespace runner { 25 namespace stream_manager { 26 27 /** 28 * Stream manager -> Engine interface. 29 */ 30 class StreamEngineInterface { 31 public: 32 /** 33 * Does not block on the remote client to handle the packet. 34 */ 35 virtual Status dispatchPacket(const std::shared_ptr<MemHandle>& outData) = 0; 36 /** 37 * After receiving StopWithFlush, once all outstanding packets have been 38 * freed by the client, notify the engine of end of stream. 39 * Should not be called in the thread that initiates the StopWithFlush, but 40 * rather in a separate thread 41 */ 42 virtual void notifyEndOfStream() = 0; 43 /** 44 * Notify engine of error 45 */ 46 virtual void notifyError(std::string msg) = 0; 47 virtual ~StreamEngineInterface() = default; 48 }; 49 50 } // namespace stream_manager 51 } // namespace runner 52 } // namespace computepipe 53 } // namespace automotive 54 } // namespace android 55 56 #endif 57