Files
mediapipe/mediapipe/framework/calculator_registry_util.cc
T
2019-06-16 16:06:57 -07:00

62 lines
2.3 KiB
C++

// 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 "mediapipe/framework/calculator_registry_util.h"
#include <algorithm>
#include <string>
#include "mediapipe/framework/collection.h"
#include "mediapipe/framework/collection_item_id.h"
#include "mediapipe/framework/packet_set.h"
#include "mediapipe/framework/port/status.h"
#include "mediapipe/framework/timestamp.h"
namespace mediapipe {
bool IsLegacyCalculator(const std::string& package_name,
const std::string& node_class) {
return false;
}
::mediapipe::Status VerifyCalculatorWithContract(
const std::string& package_name, const std::string& node_class,
CalculatorContract* contract) {
// A number of calculators use the non-CC methods on GlCalculatorHelper
// even though they are CalculatorBase-based.
ASSIGN_OR_RETURN(
auto static_access_to_calculator_base,
internal::StaticAccessToCalculatorBaseRegistry::CreateByNameInNamespace(
package_name, node_class),
_ << "Unable to find Calculator \"" << node_class << "\"");
RETURN_IF_ERROR(static_access_to_calculator_base->GetContract(contract))
.SetPrepend()
<< node_class << ": ";
return ::mediapipe::OkStatus();
}
::mediapipe::StatusOr<std::unique_ptr<CalculatorBase>> CreateCalculator(
const std::shared_ptr<tool::TagMap>& input_tag_map,
const std::shared_ptr<tool::TagMap>& output_tag_map,
const std::string& package_name, CalculatorState* calculator_state,
CalculatorContext* calculator_context) {
std::unique_ptr<CalculatorBase> calculator;
ASSIGN_OR_RETURN(calculator,
CalculatorBaseRegistry::CreateByNameInNamespace(
package_name, calculator_state->CalculatorType()));
return std::move(calculator);
}
} // namespace mediapipe