chromium/third_party/mediapipe/src/mediapipe/framework/output_stream_handler.h

// Copyright 2019 The MediaPipe Authors.
//
// 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 MEDIAPIPE_FRAMEWORK_OUTPUT_STREAM_HANDLER_H_
#define MEDIAPIPE_FRAMEWORK_OUTPUT_STREAM_HANDLER_H_

#include <functional>
#include <memory>
#include <set>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>

// TODO: Move protos in another CL after the C++ code migration.
#include "absl/base/thread_annotations.h"
#include "absl/log/absl_check.h"
#include "absl/synchronization/mutex.h"
#include "mediapipe/framework/calculator_context_manager.h"
#include "mediapipe/framework/collection.h"
#include "mediapipe/framework/deps/registration.h"
#include "mediapipe/framework/mediapipe_options.pb.h"
#include "mediapipe/framework/output_stream_manager.h"
#include "mediapipe/framework/packet_set.h"
#include "mediapipe/framework/port/logging.h"
#include "mediapipe/framework/port/status.h"
#include "mediapipe/framework/timestamp.h"
#include "mediapipe/framework/tool/tag_map.h"

namespace mediapipe {

// Abstract base class for output stream handlers.
class OutputStreamHandler { … };

using OutputStreamHandlerRegistry = GlobalFactoryRegistry<
    std::unique_ptr<OutputStreamHandler>, std::shared_ptr<tool::TagMap>,
    CalculatorContextManager*, const MediaPipeOptions&, bool>;

}  // namespace mediapipe

// Macro for registering the output stream handler.
#define REGISTER_OUTPUT_STREAM_HANDLER(name) …

#endif  // MEDIAPIPE_FRAMEWORK_OUTPUT_STREAM_HANDLER_H_