packages/services/Car/cpp/computepipe/runner/stream_manager/include/StreamEngineInterface.h

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// Copyright (C) 2020 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.
#ifndef COMPUTEPIPE_RUNNER_STREAM_ENGINE_INTERFACE_H
#define COMPUTEPIPE_RUNNER_STREAM_ENGINE_INTERFACE_H
#include "MemHandle.h"
#include "types/Status.h"
namespace android {
namespace automotive {
namespace computepipe {
namespace runner {
namespace stream_manager {
/**
* Stream manager -> Engine interface.
*/
class StreamEngineInterface {
public:
/**
* Does not block on the remote client to handle the packet.
*/
virtual Status dispatchPacket(const std::shared_ptr<MemHandle>& outData) = 0;
/**
* After receiving StopWithFlush, once all outstanding packets have been
* freed by the client, notify the engine of end of stream.
* Should not be called in the thread that initiates the StopWithFlush, but
* rather in a separate thread
*/
virtual void notifyEndOfStream() = 0;
/**
* Notify engine of error
*/
virtual void notifyError(std::string msg) = 0;
virtual ~StreamEngineInterface() = default;
};
} // namespace stream_manager
} // namespace runner
} // namespace computepipe
} // namespace automotive
} // namespace android
#endif