[enh] clitools : adds a color redilysis filter
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alban
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clitools/filters/redilysis_colors.py
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186
clitools/filters/redilysis_colors.py
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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# -*- mode: Python -*-
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'''
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redilysis colors
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v0.1.0
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A complex effect that depends on redis keys for audio analysis
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see https://git.interhacker.space/teamlase/redilysis for more informations
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about the redilysis project
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LICENCE : CC
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by cocoa
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'''
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from __future__ import print_function
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import argparse
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import ast
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import os
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import math
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import random
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import redis
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import sys
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import time
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name = "filters::redilysis_colors"
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def debug(*args, **kwargs):
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if( verbose == False ):
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return
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print(*args, file=sys.stderr, **kwargs)
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def msNow():
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return time.time()
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# The list of available modes => redis keys each requires to run
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oModeList = {
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}
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def rgb2int(rgb):
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return int('0x%02x%02x%02x' % tuple(rgb),0)
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def int2rgb(intcode):
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#hexcode = hex(intcode)[2:]
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hexcode = '{0:06X}'.format(intcode)
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return tuple(int(hexcode[i:i+2], 16) for i in (0, 2, 4))
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#return tuple(map(ord,hexcode[1:].decode('hex')))
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CHAOS = 1
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REDIS_FREQ = 100
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# General Args
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argsparser = argparse.ArgumentParser(description="Redilysis filter")
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argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
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argsparser.add_argument("-v","--verbose",action="store_true",help="Verbose")
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# Redis Args
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argsparser.add_argument("-i","--ip",help="IP address of the Redis server ",default="127.0.0.1",type=str)
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argsparser.add_argument("-p","--port",help="Port of the Redis server ",default="6379",type=str)
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argsparser.add_argument("-s","--redis-freq",help="Query Redis every x (in milliseconds). Default:{}".format(REDIS_FREQ),default=REDIS_FREQ,type=int)
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# Modes And Common Modes Parameters
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#argsparser.add_argument("-m","--modelist",required=False,help="Comma separated list of modes to use from: {}".format("i, ".join(oModeList.keys())),type=str)
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argsparser.add_argument("-c","--chaos",help="How much disorder to bring. High value = More chaos. Default {}".format(CHAOS), default=CHAOS, type=float)
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args = argsparser.parse_args()
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fps = args.fps
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ip = args.ip
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port = args.port
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redisFreq = args.redis_freq / 1000
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verbose = args.verbose
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chaos = float(args.chaos)
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optimal_looptime = 1 / fps
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max_width = 800
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max_height = 800
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redisKeys = ["rms","spectrum_10","spectrum_120"]
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debug(name,"Redis Keys:{}".format(redisKeys))
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redisData = {}
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redisLastHit = msNow() - 99999
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r = redis.Redis(
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host=ip,
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port=port)
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def refreshRedis():
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global redisData
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for key in redisKeys:
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try:
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redisData[key] = ast.literal_eval(r.get(key).decode('ascii'))
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except :
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debug("Error when reading redis key '{}".format(key))
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def gauss(x, mu, sigma):
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return( math.exp(-math.pow((x-mu),2)/(2*math.pow(sigma,2))/math.sqrt(2*math.pi*math.pow(sigma,2))))
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spect10Correct = [
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6.0,
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1.5,
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1.0,
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1.0,
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1.0,
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1.0,
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1.0,
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0.8,
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0.6,
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0.5,
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]
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def default( pl ):
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global redisData
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spect = redisData["spectrum_10"]
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debug(name, "spect:{}".format(spect))
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new_list = []
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# We want to color points that are on left and right when high is strong
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# i.e. the farther the distance from spectrum, the higher notes have influence
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# power = 0-1
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# x = 800 spec[2]= 6.0 spec[7]=0.0 power=0.0
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# x = 0 spec[2]= 6.0 spec[7]=0.0 power=0.0
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# x = 0 spec[2]= 1.0 spec[7]=0.5 power=1.0
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# dist 0 = 1
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# 400 - 400 : maxW/2 -x
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# 399 = -1 : x - 400
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# 401 = 1
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# x = 400 spec[2]= 6.0 spec[7]=0.0 power=1.0
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# x = 400 spec[2]= 1.0 spec[7]=0.5 power=0.0
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for i, point in enumerate(pl):
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ocolor = pl[i][2]
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if ocolor == 0 :
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new_list.append(point)
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continue
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colorTuple = int2rgb(ocolor)
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x = point[0]
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dist = abs(x - max_width/2)
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key = int(2* dist / max_width * 8)
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power = spect[key] / spect10Correct[key] * chaos
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color = []
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for i in colorTuple:
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new_color = int(i * power)
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if new_color > 255 :
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new_color = 255
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if new_color < 0 :
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new_color = 0
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color.append( new_color )
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color = rgb2int(tuple(color))
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point[2] = color
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new_list.append(point)
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#debug(name,"x:{}\t dist:{}\t key:{}\t power:{}\t ocolor:{}\t color:{}".format(point[0], dist, key,power, ocolor, pl[i][2]))
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debug( name,"rms_noise output:{}".format(new_list))
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return new_list
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try:
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while True:
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refreshRedis()
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start = time.time()
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line = sys.stdin.readline()
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if line == "":
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time.sleep(0.01)
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line = line.rstrip('\n')
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pointsList = ast.literal_eval(line)
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# Do the filter
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pointsList = default(pointsList)
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print( pointsList, flush=True )
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looptime = time.time() - start
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# debug(name+" looptime:"+str(looptime))
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if( looptime < optimal_looptime ):
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time.sleep( optimal_looptime - looptime)
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# debug(name+" micro sleep:"+str( optimal_looptime - looptime))
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except EOFError:
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debug(name+" break")# no more information
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