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# example cfg file, assuming an 832x480 input sequence with CTU size = 128x128, and split to 4 rectangular slices, each slice include one tile.
# example 2 subpictures in a 832x480 picture:
#----------
#| | |
#| | |
#|----|---|
#| | |
#| | |
#----------
# |
# v
# vertically divided into 2 subpicture, each subpicture contains two slices
SubPicPresentFlag : 1 # subpicture enabling flag(0: OFF, 1: ON)
NumSubPics : 2 # number of subpictures in a picture
SubPicCtuTopLeftX : 0 4 # specifies horizontal position of top left CTU of i-th subpicture in unit of CtbSizeY
SubPicCtuTopLeftY : 0 0 # specifies vertical position of top left CTU of i-th subpicture in unit of CtbSizeY
SubPicWidth : 4 3 # specifies the width of the i-th subpicture in units of CtbSizeY
SubPicHeight : 4 4 # specifies the height of the i-th subpicture in units of CtbSizeY
SubPicTreatedAsPicFlag : 1 1 # equal to 1 specifies that the i-th subpicture of each coded picture in the CLVS is treated as a picture in the decoding process excluding in-loop filtering operations
LoopFilterAcrossSubpicEnabledFlag : 0 0 # equal to 1 specifies that in-loop filtering operations may be performed across the boundaries of the i-th subpicture in each coded picture in the CLVS
SubPicIdPresentFlag : 0 # specifies that subpicture ID mapping is present in the SPS(0: OFF, 1: ON)
SubPicIdSignallingPresentFlag : 0 # specifies that subpicture ID mapping is signalled in the SPS(0: OFF, 1: ON)
SubPicIdLen : 0 # the number of bits used to represent the syntax element sps_subpic_id[ i ]
SubPicId : 0 # subpicture ID of the i-th subpicture
#============ Tiles / Slices ================
EnablePicPartitioning : 1 # Enable picture partitioning (0: single tile, single slice, 1: multiple tiles/slices can be used)
# 24 tiles and 6 rectangular slices
TileColumnWidthArray : 4 # Tile column widths in units of CTUs. Last column width will be repeated uniformly to cover any remaining picture width
TileRowHeightArray : 2 # Tile row heights in units of CTUs. Last row height will be repeated uniformly to cover any remaining picture height
RasterScanSlices : 0 # Raster-scan or rectangular slices (0: rectangular, 1: raster-scan)
RectSliceFixedWidth : 1 # Fixed rectangular slice width in units of tiles (0: disable this feature and use RectSlicePositions instead)
RectSliceFixedHeight : 1 # Fixed rectangular slice height in units of tiles (0: disable this feature and use RectSlicePositions instead)
DisableLoopFilterAcrossTiles : 1 # Loop filtering (DBLK/SAO/ALF) applied across tile boundaries or not (0: filter across tile boundaries 1: do not filter across tile boundaries)
DisableLoopFilterAcrossSlices : 1 # Loop filtering (DBLK/SAO/ALF) applied across slice boundaries or not (0: filter across slice boundaries 1: do not filter across slice boundaries)