Liu Qi is an author for whom publicly available information is limited, and details such as nationality, dates of birth and death have not been clearly recorded and await further verification. Within the library, only one work by this author is held: FFmpeg from Beginner to Mastery, a software-learning title in the fields of computing and image/video processing. It can therefore be inferred that Liu Qi's writing focuses on multimedia processing technology, particularly introductory-to-intermediate knowledge of the open-source tool FFmpeg. Books of this kind typically target developers and learners who wish to master audio/video codecs, format conversion, and streaming media processing, emphasizing the connection between hands-on practice and foundational concepts. The author's style tends to progress from the simple to the advanced and to be example-driven, helping readers understand how to use the software through practice. Although biographical details are insufficient, this single work still shows a practical effort in popularizing audio/video technology and in instructional writing, offering beginners a relatively clear learning path.
