50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
// Copyright 2019 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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namespace mediapipe {
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class SimpleCalculator : public CalculatorBase {
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public:
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static absl::Status GetContract(CalculatorContract* cc) {
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cc->Outputs().Index(0).Set<int>();
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if (cc->InputSidePackets().HasTag("MAX_COUNT")) {
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cc->InputSidePackets().Tag("MAX_COUNT").Set<int>();
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}
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return absl::OkStatus();
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}
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absl::Status Process(CalculatorContext* cc) final {
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LOG(WARNING) << "Simple Calculator Process called, count_: " << count_;
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int max_count = 1;
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if (cc->InputSidePackets().HasTag("MAX_COUNT")) {
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max_count = cc->InputSidePackets().Tag("MAX_COUNT").Get<int>();
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}
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if (count_ >= max_count) {
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return tool::StatusStop();
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}
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cc->Outputs().Index(0).Add(new int(count_), Timestamp(count_));
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++count_;
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return absl::OkStatus();
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}
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private:
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int count_ = 0;
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};
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REGISTER_CALCULATOR(SimpleCalculator);
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} // namespace mediapipe
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