chromium/third_party/mediapipe/src/mediapipe/calculators/tensor/inference_calculator_cpu.cc

// 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.

#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/time/time.h"
#include "mediapipe/calculators/tensor/inference_calculator.h"
#include "mediapipe/calculators/tensor/inference_calculator_utils.h"
#include "mediapipe/calculators/tensor/inference_interpreter_delegate_runner.h"
#include "mediapipe/calculators/tensor/inference_runner.h"
#include "mediapipe/calculators/tensor/tensor_span.h"
#include "mediapipe/framework/calculator_framework.h"
#include "mediapipe/framework/formats/tensor.h"
#include "mediapipe/framework/port/ret_check.h"
#include "mediapipe/framework/port/status_macros.h"
#if defined(MEDIAPIPE_ANDROID)
#include "tensorflow/lite/delegates/nnapi/nnapi_delegate.h"
#endif  // ANDROID

namespace mediapipe {
namespace api2 {

class InferenceCalculatorCpuImpl
    : public InferenceCalculatorNodeImpl<InferenceCalculatorCpu,
                                         InferenceCalculatorCpuImpl> { … };

absl::Status InferenceCalculatorCpuImpl::UpdateContract(
    CalculatorContract* cc) { … }

absl::Status InferenceCalculatorCpuImpl::Open(CalculatorContext* cc) { … }

absl::StatusOr<std::vector<Tensor>> InferenceCalculatorCpuImpl::Process(
    CalculatorContext* cc, const TensorSpan& tensor_span) { … }

absl::Status InferenceCalculatorCpuImpl::Close(CalculatorContext* cc) { … }

absl::StatusOr<std::unique_ptr<InferenceRunner>>
InferenceCalculatorCpuImpl::CreateInferenceRunner(CalculatorContext* cc) { … }

absl::StatusOr<TfLiteDelegatePtr>
InferenceCalculatorCpuImpl::MaybeCreateDelegate(CalculatorContext* cc) { … }

}  // namespace api2
}  // namespace mediapipe