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