Embedded Dvr Storage Software Design

With the rapid growth of video surveillance, Embedded DVR as the representative technology is changing everyday. This dissertation displays a storage scheme for embedded DVR while considering the requirements and limitations of the thesis research system, and describes the function and implementation of the core software module exactly.Chapter One in this dissertation introduces the background and target of the thesis research, and then briefly presents the development trends of the embedded DVR and storage technology.Chapter Two covers the software and hardware structure of the whole thesis system and list the specific functionality.Chapter Three narrates the comparison of the embedded DVR's core technology, then describes the software design in detail and simply shows the workflow and processing logic of the whole storage system.Chapter Four discusses the function, design and implementation of the disk management library from three levels: disk info management, partition logic management and interface logic.Chapter Five discusses the function, design and implementation of the data storage library from two levels: public data operation management and basic data operation management.Chapter Six presents the necessity of the system software test, and displays the compatibility, performance and functionality test results of the whole storage system software.At last, it is the conclusion and prospect of this dissertation.