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18th Meeting: Teleconference, April 2020 2020-04-16 17:42
AHG12: Entry point offsets avoiding start code emulation prevention byte
Authors: K. Abe Panasonic T. Toma Panasonic Virginie Drugeon Panasonic
Abstract
This contribution proposes to modify the syntax structure for signalling entry point offsets. An encoder needs to know the number of bits in each subset of the current slice in order to write entry point offsets into the slice header. Some real time encoders achieve it by updating this syntax field after finishing encoding the slice. This contribution proposes two items to simplify this encoding operation: (1) byte align before entry point offset field for easier updating during encoding; (2) separate entry point offsets by one bit equal to one and divide into upper and lower bits to avoid start code emulation without the need for an emulation prevention byte.
Meeting Notes
JVET-R0165 AHG12: Entry point offsets avoiding start code emulation prevention byte [K. Abe, T. Toma, V. Drugeon (Panasonic)]
References:
JVET-O0306 JVET-Q2001
Cited:
JVET-R0012 JVET-R0410 JVET-R2001 JVET-S0002 JVET-S0003 JVET-S0052 JVET-S0085 JVET-S0123 JVET-S0152 JVET-S0161 JVET-S0171 JVET-S0187 JVET-S0229 JVET-S0248 JVET-S0256 JVET-S0266 JVET-S0269 JVET-S2001
PATENTS:
20240223793 0.70 20220078462 0.34 10361802 0.32 WO/2017/140948 0.31 20210227231 0.30 WO/2017/140945 0.28 20150078456 0.27 2918961 0.26
ARCHIVE v3 :
JVET-R0165-OptionalEntryPointOffsets-JVET-Q2001-vE.docx JVET-R0165-v2.docx JVET-R0165-v2.pdf
Decisions
JVET-R0165 AHG12: Entry point offsets avoiding start code emulation prevention byte [K. Abe, T. Toma, V. Drugeon (Panasonic)]
Citation