LJ/clitools/generators/blank.py

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#!/usr/bin/python3
# -*- coding: utf-8 -*-
# -*- mode: Python -*-
'''
Send only black points
v0.1.0
Use it to test your filters and outputs
LICENCE : CC
by cocoa
'''
from __future__ import print_function
import time
import argparse
import sys
name="generator::dummy"
def debug(*args, **kwargs):
if( verbose == False ):
return
print(*args, file=sys.stderr, **kwargs)
argsparser = argparse.ArgumentParser(description="dummy generator")
argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
argsparser.add_argument("-v","--verbose",action="store_true",help="Verbose output")
args = argsparser.parse_args()
fps=args.fps
verbose=args.verbose
optimal_looptime = 1 / fps
debug(name+" optimal looptime "+str(optimal_looptime))
shape = [[400,400,0],[400,400,64],[400,400,0]]
while True:
start = time.time()
print(shape, flush=True);
looptime = time.time() - start
if( looptime < optimal_looptime ):
time.sleep( optimal_looptime - looptime)
debug(name+" micro sleep:"+str( optimal_looptime - looptime))