82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
// Copyright 2020 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "mediapipe/framework/calculator_framework.h"
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#include "mediapipe/framework/port/status.h"
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#include "mediapipe/framework/port/status_macros.h"
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#include "mediapipe/modules/face_geometry/env_generator_calculator.pb.h"
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#include "mediapipe/modules/face_geometry/libs/validation_utils.h"
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#include "mediapipe/modules/face_geometry/protos/environment.pb.h"
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namespace mediapipe {
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namespace {
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static constexpr char kEnvironmentTag[] = "ENVIRONMENT";
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// A calculator that generates an environment, which describes a virtual scene.
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//
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// Output side packets:
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// ENVIRONMENT (`face_geometry::Environment`, required)
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// Describes an environment; includes the camera frame origin point location
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// as well as virtual camera parameters.
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//
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// Options:
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// environment (`face_geometry.Environment`, required):
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// Defines an environment to be packed as the output side packet.
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//
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// Must be valid (for details, please refer to the proto message definition
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// comments and/or `modules/face_geometry/libs/validation_utils.h/cc`)
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//
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class EnvGeneratorCalculator : public CalculatorBase {
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public:
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static absl::Status GetContract(CalculatorContract* cc) {
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cc->OutputSidePackets()
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.Tag(kEnvironmentTag)
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.Set<face_geometry::Environment>();
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return absl::OkStatus();
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}
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absl::Status Open(CalculatorContext* cc) override {
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cc->SetOffset(mediapipe::TimestampDiff(0));
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const face_geometry::Environment& environment =
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cc->Options<FaceGeometryEnvGeneratorCalculatorOptions>().environment();
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MP_RETURN_IF_ERROR(face_geometry::ValidateEnvironment(environment))
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<< "Invalid environment!";
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cc->OutputSidePackets()
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.Tag(kEnvironmentTag)
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.Set(mediapipe::MakePacket<face_geometry::Environment>(environment));
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return absl::OkStatus();
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}
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absl::Status Process(CalculatorContext* cc) override {
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return absl::OkStatus();
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}
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absl::Status Close(CalculatorContext* cc) override {
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return absl::OkStatus();
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}
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};
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} // namespace
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using FaceGeometryEnvGeneratorCalculator = EnvGeneratorCalculator;
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REGISTER_CALCULATOR(FaceGeometryEnvGeneratorCalculator);
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} // namespace mediapipe
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