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

// Copyright 2024 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 "mediapipe/calculators/tensor/tensor_span.h"

#include <utility>
#include <vector>

#include "mediapipe/framework/api2/port.h"
#include "mediapipe/framework/calculator_framework.h"
#include "mediapipe/framework/formats/tensor.h"
#include "mediapipe/framework/input_stream_shard.h"

namespace mediapipe {

// Create reference pointer vector from a collection of input streams using the
// api2 framework. It is the caller's responsibility to check for empty inputs.
TensorSpan MakeTensorSpan(api2::internal::MultiplePortAccess<
                          Tensor, InputStreamShard, CalculatorContext>
                              tensor_streams) { … }

// Create reference pointer vector from vector of tensors
TensorSpan MakeTensorSpan(const std::vector<Tensor>& tensors) { … }

TensorSpan::TensorSpan(std::vector<const Tensor*>&& tensor_refs)
    : … { … }

int TensorSpan::size() const { … }

const Tensor& TensorSpan::operator[](int index) const { … }

}  // namespace mediapipe