IMemoryStream.h

/*
 *  Copyright (C) 2016-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include <stddef.h>
#include <stdint.h>

namespace KODI
{
namespace RETRO
{
class IMemoryStream
{
public:
  virtual ~IMemoryStream() = default;

  virtual void Init(size_t frameSize, uint64_t maxFrameCount) = 0;

  virtual void Reset() = 0;

  virtual size_t FrameSize() const = 0;

  virtual uint64_t MaxFrameCount() const = 0;

  virtual void SetMaxFrameCount(uint64_t maxFrameCount) = 0;

  virtual uint8_t* BeginFrame() = 0;

  virtual void SubmitFrame() = 0;

  virtual const uint8_t* CurrentFrame() const = 0;

  virtual uint64_t FutureFramesAvailable() const = 0;

  virtual uint64_t AdvanceFrames(uint64_t frameCount) = 0;

  virtual uint64_t PastFramesAvailable() const = 0;

  virtual uint64_t RewindFrames(uint64_t frameCount) = 0;

  virtual uint64_t GetFrameCounter() const = 0;

  virtual void SetFrameCounter(uint64_t frameCount) = 0;
};
} // namespace RETRO
} // namespace KODI