chromium/third_party/mediapipe/src/mediapipe/framework/calculator_context.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_CALCULATOR_CONTEXT_H_
#define MEDIAPIPE_FRAMEWORK_CALCULATOR_CONTEXT_H_

#include <memory>
#include <queue>
#include <string>
#include <utility>

#include "absl/log/absl_check.h"
#include "absl/status/status.h"
#include "mediapipe/framework/calculator_state.h"
#include "mediapipe/framework/counter.h"
#include "mediapipe/framework/graph_service.h"
#include "mediapipe/framework/graph_service_manager.h"
#include "mediapipe/framework/input_stream_shard.h"
#include "mediapipe/framework/output_stream_shard.h"
#include "mediapipe/framework/packet_set.h"
#include "mediapipe/framework/port.h"
#include "mediapipe/framework/port/any_proto.h"
#include "mediapipe/framework/port/status.h"
#include "mediapipe/framework/resources.h"
#include "mediapipe/framework/timestamp.h"

namespace mediapipe {

// A CalculatorContext provides information about the graph it is running
// inside of through a number of accessor functions: Inputs(), Outputs(),
// InputSidePackets(), Options(), etc.
//
// CalculatorBase APIs, such as CalculatorBase::Open(CalculatorContext* cc),
// CalculatorBase::Process(CalculatorContext* cc), and
// CalculatorBase::Close(CalculatorContext* cc), will only interact with
// its own CalculatorContext object for exchanging data with the framework.
class CalculatorContext { … };

}  // namespace mediapipe

#endif  // MEDIAPIPE_FRAMEWORK_CALCULATOR_CONTEXT_H_