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- #pragma once
- #include "defs.h"
- namespace ffmpeg {
- /**
- * Class uses external memory buffer and implements a seekable interface.
- */
- class MemoryBuffer {
- public:
- explicit MemoryBuffer(const uint8_t* buffer, size_t size);
- int64_t seek(int64_t offset, int whence);
- int read(uint8_t* buf, int size);
- // static constructor for decoder callback.
- static DecoderInCallback getCallback(const uint8_t* buffer, size_t size);
- private:
- const uint8_t* buffer_; // set at construction time
- long pos_{0}; // current position
- long len_{0}; // bytes in buffer
- };
- } // namespace ffmpeg
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