chromium/third_party/mediapipe/src/mediapipe/framework/packet_generator_graph.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_PACKET_GENERATOR_GRAPH_H_
#define MEDIAPIPE_FRAMEWORK_PACKET_GENERATOR_GRAPH_H_

#include <map>
#include <memory>
#include <string>
#include <vector>

#include "absl/base/attributes.h"
#include "absl/base/macros.h"
#include "mediapipe/framework/executor.h"
#include "mediapipe/framework/packet.h"
#include "mediapipe/framework/packet_generator.pb.h"
#include "mediapipe/framework/port.h"
#include "mediapipe/framework/port/proto_ns.h"
#include "mediapipe/framework/port/status.h"
#include "mediapipe/framework/validated_graph_config.h"

namespace mediapipe {

// A graph of packet generators.
//
// Initialize runs all the generators which it can (i.e. whose input
// side packets are available), and stores the produced packets and
// the generators that are not yet executed.
//
// Each call to RunGraphSetup uses the provided extra side packets, runs
// all remaining components of the graph, and produces a complete set of
// output side packets.  Initialize should only be called once.
// RunGraphSetup may be called any number of times.
//
// This class is thread compatible.
class PacketGeneratorGraph { … };

}  // namespace mediapipe

#endif  // MEDIAPIPE_FRAMEWORK_PACKET_GENERATOR_GRAPH_H_