A software-based real-time MPEG-2 video encoder

Author

McVeigh, Jeff ; Chen, George K. ; Goldstein, Judi ; Gupta, Atul ; Keith, Mike ; Wood, Steve

Author_Institution

Archit. Labs., Intel Corp., Hillsboro, OR, USA

Volume

10

Issue

7

fYear

2000

fDate

10/1/2000 12:00:00 AM

Firstpage

1178

Lastpage

1184

Abstract

Dedicated hardware previously has been required to perform real-time MPEG-2 video encoding. However, with increases in clock frequency and the introduction of video-specific instruction sets, general-purpose processors can now approximate the function and performance of single-function hardware. In this paper, we describe a software-only MPEG-2 (MP@ML) video encoder implemented on a personal computer using an Intel^TM Pentium(R) III processor. This encoder is capable of real-time operation while consuming less than 70% of the processor. The main contribution of this work is a set of algorithmic simplifications that significantly reduces the computational load of the encoding process while only slightly degrading the subjective video quality compared to encoders that are more exhaustive

Keywords

computational complexity; real-time systems; video coding; MP@ML video encoder; algorithmic simplifications; computational load; real-time operation; software-based real-time MPEG-2 video encoder; software-only MPEG-2 video encoder; subjective video quality; Bit rate; Clocks; DVD; Encoding; Frequency; HDTV; Hardware; Instruction sets; Microcomputers; Video compression;

fLanguage

English

Journal_Title

Circuits and Systems for Video Technology, IEEE Transactions on

Publisher

ieee

ISSN

1051-8215

Type

jour

DOI

10.1109/76.875521

Filename

875521