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HEVC real-time decoding

: Bross, B.; Alvarez-Mesa, M.; George, V.; Chi-Ching Chi; Mayer, T.; Juurlink, B.; Schierl, T.


Tescher, A.G. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Applications of digital image processing XXXVI : 13 - 16 August 2012, San Diego, California, United States
Bellingham, WA: SPIE, 2013 (Proceedings of SPIE 8856)
ISBN: 978-0-8194-9706-2
Paper 88561R
Conference "Applications of Digital Image Processing" <36, 2013, San Diego/Calif.>
Fraunhofer HHI ()

The new High Efficiency Video Coding Standard (HEVC) was finalized in January 2013. Compared to its predecessor H.264 / MPEG4-AVC, this new international standard is able to reduce the bitrate by 50% for the same subjective video quality. This paper investigates decoder optimizations that are needed to achieve HEVC real-time software decoding on a mobile processor. It is shown that HEVC real-time decoding up to high definition video is feasible using instruction extensions of the processor while decoding 4K ultra high definition video in real-time requires additional parallel processing. For parallel processing, a picture-level parallel approach has been chosen because it is generic and does not require bitstreams with special indication.