59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// Copyright 2015 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef MEDIA_FILE_MEDIA_FILE_H_
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#define MEDIA_FILE_MEDIA_FILE_H_
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#include <cstdint>
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#include <string>
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#include <vector>
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#include <packager/file/file.h>
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namespace shaka {
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/// Implements a File that is stored in memory. This should be only used for
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/// testing, since this does not support larger files.
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class MemoryFile : public File {
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public:
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MemoryFile(const std::string& file_name, const std::string& mode);
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/// @name File implementation overrides.
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/// @{
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bool Close() override;
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int64_t Read(void* buffer, uint64_t length) override;
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int64_t Write(const void* buffer, uint64_t length) override;
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void CloseForWriting() override;
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int64_t Size() override;
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bool Flush() override;
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bool Seek(uint64_t position) override;
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bool Tell(uint64_t* position) override;
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/// @}
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/// Deletes all memory file data created. This assumes that there are no
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/// MemoryFile objects alive. Any alive objects will be in an undefined
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/// state.
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static void DeleteAll();
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/// Deletes the memory file data with the given file_name. Any objects open
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/// with that file name will be in an undefined state.
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static void Delete(const std::string& file_name);
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protected:
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~MemoryFile() override;
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bool Open() override;
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private:
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std::string mode_;
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std::vector<uint8_t>* file_;
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uint64_t position_;
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DISALLOW_COPY_AND_ASSIGN(MemoryFile);
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};
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} // namespace shaka
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#endif // MEDIA_FILE_MEDIA_FILE_H_
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