Files
FastDeploy/fastdeploy/backends/backend.h
heliqi 0805ead0ed add 'GetOutputInfos' and 'GetInputInfos' interface (#232)
add GetOutputInfos GetInputInfos
2022-09-15 13:09:31 +08:00

67 lines
1.9 KiB
C++

// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// 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.
#pragma once
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include "fastdeploy/backends/common/multiclass_nms.h"
#include "fastdeploy/core/fd_tensor.h"
namespace fastdeploy {
struct TensorInfo {
std::string name;
std::vector<int> shape;
FDDataType dtype;
friend std::ostream& operator<<(std::ostream& output,
const TensorInfo& info) {
output << "TensorInfo(name: " << info.name << ", shape: [";
for (size_t i = 0; i < info.shape.size(); ++i) {
if (i == info.shape.size() - 1) {
output << info.shape[i];
} else {
output << info.shape[i] << ", ";
}
}
output << "], dtype: " << Str(info.dtype) << ")";
return output;
}
};
class BaseBackend {
public:
bool initialized_ = false;
BaseBackend() {}
virtual ~BaseBackend() = default;
virtual bool Initialized() const { return initialized_; }
virtual int NumInputs() const = 0;
virtual int NumOutputs() const = 0;
virtual TensorInfo GetInputInfo(int index) = 0;
virtual TensorInfo GetOutputInfo(int index) = 0;
virtual std::vector<TensorInfo> GetInputInfos() = 0;
virtual std::vector<TensorInfo> GetOutputInfos() = 0;
virtual bool Infer(std::vector<FDTensor>& inputs,
std::vector<FDTensor>* outputs) = 0;
};
} // namespace fastdeploy