52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
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* Copyright 2019 The libgav1 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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*/
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#ifndef LIBGAV1_EXAMPLES_FILE_READER_FACTORY_H_
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#define LIBGAV1_EXAMPLES_FILE_READER_FACTORY_H_
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#include <memory>
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#include <string>
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#include "examples/file_reader_interface.h"
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namespace libgav1 {
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class FileReaderFactory {
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public:
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using OpenFunction = std::unique_ptr<FileReaderInterface> (*)(
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const std::string& file_name, bool error_tolerant);
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FileReaderFactory() = delete;
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FileReaderFactory(const FileReaderFactory&) = delete;
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FileReaderFactory& operator=(const FileReaderFactory&) = delete;
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~FileReaderFactory() = default;
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// Registers the OpenFunction for a FileReaderInterface and returns true when
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// registration succeeds.
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static bool RegisterReader(OpenFunction open_function);
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// Passes |file_name| to each OpenFunction until one succeeds. Returns nullptr
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// when no reader is found for |file_name|. Otherwise a FileReaderInterface is
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// returned. If |error_tolerant| is true and the reader supports it, some
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// format and read errors may be ignored and partial data returned.
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static std::unique_ptr<FileReaderInterface> OpenReader(
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const std::string& file_name, bool error_tolerant = false);
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};
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} // namespace libgav1
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#endif // LIBGAV1_EXAMPLES_FILE_READER_FACTORY_H_
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