PATTERN IBBPBBI
BASE_FILE_FORMAT PNM
INPUT_CONVERT * 
GOP_SIZE 99
SLICES_PER_FRAME 1
PIXEL HALF
RANGE 10
PSEARCH_ALG LOGARITHMIC
BSEARCH_ALG CROSS2
IQSCALE 4
PQSCALE 5
BQSCALE 6
REFERENCE_FRAME ORIGINAL