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//
// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <cstddef>
#include <memory>
namespace common
{
/**
* @brief Frame source reader interface
*
* @tparam FrameDataT frame container data type
*/
template<typename FrameDataT> class IFrameReader
{
public:
/**
* @brief Reads the next frame from the source
*
* @return pointer to the frame container
*/
virtual std::shared_ptr <FrameDataT> ReadFrame() = 0;
/**
* @brief Checks if the frame source has more frames to read.
*
* @param[in] frame the pointer to the last frame captured with the ReadFrame method could be used in
* implementation specific logic to check frames source state.
* @return True if frame source was exhausted, False otherwise
*/
virtual bool IsExhausted(const std::shared_ptr <FrameDataT>& frame) const = 0;
/**
* @brief Default destructor
*/
virtual ~IFrameReader() = default;
};
}// namespace common
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