forked from protonphoton/LJ
[enh] clitools: new filter redilysis
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clitools/filters/redilysis.py
Executable file
149
clitools/filters/redilysis.py
Executable file
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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
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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"
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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 now():
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return time.time() * 1000
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# The list of available modes and the redis keys they need
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oModeList = {
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"rms_noise": ["rms"],
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"rms_bounce": ["rms"]
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}
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CHAOS = 1
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REDIS_FREQ = 300
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# General Args
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argsparser = argparse.ArgumentParser(description="Redilysis filter")
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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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# General args
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argsparser.add_argument("-x","--centerX",help="geometrical center X position",default=300,type=int)
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argsparser.add_argument("-y","--centerY",help="geometrical center Y position",default=300,type=int)
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argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
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# Modes And Common Modes Parameters
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argsparser.add_argument("-m","--modelist",required=True,help="Comma separated list of modes to use from: {}".format("i, ".join(oModeList.keys())),type=str)
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argsparser.add_argument("--chaos",help="How much disorder to bring. High value = More chaos. Default {}".format(CHAOS), default=CHAOS, type=str)
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args = argsparser.parse_args()
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ip = args.ip
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port = args.port
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redisFreq = args.redis_freq
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verbose = args.verbose
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fps = args.fps
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centerX = args.centerX
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centerY = args.centerY
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chaos = float(args.chaos)
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optimal_looptime = 1 / fps
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modeList = args.modelist.split(",")
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redisKeys = []
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for mode in modeList:
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if not mode in oModeList:
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print("Mode '{}' is invalid. Exiting.".format(mode))
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sys.exit(2)
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redisKeys += oModeList[mode]
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redisKeys = list(set(redisKeys))
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debug(name,"Redis Keys:{}".format(redisKeys))
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redisData = {}
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redisLastHit = now() - redisFreq
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r = redis.Redis(
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host=ip,
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port=port)
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def rms_bounce( pl ):
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rms = float(redisData["rms"])
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for i, point in enumerate(pl):
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#debug(name,"rms_noise chaos:{} rms:{}".format(chaos, rms))
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angle=math.atan2(point[0],point[1])
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l = point[1] / math.cos(angle)
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new_l = l + rms * chaos
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new_x = math.sin(angle) * new_l
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new_y = math.cos(angle) * new_l
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debug(name,"x,y:({},{}) x',y':({},{})".format(point[0],point[1],new_x,new_y))
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pl[i][0] += new_x
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pl[i][1] += new_y
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#debug( name,"rms_noise output:{}".format(pl))
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return pl
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def rms_noise( pl ):
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rms = float(redisData["rms"])
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for i, point in enumerate(pl):
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#debug(name,"rms_noise chaos:{} rms:{}".format(chaos, rms))
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xRandom = random.uniform(-1,1) * rms * chaos
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yRandom = random.uniform(-1,1) * rms * chaos
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#debug(name,"rms_noise xRandom:{} yRandom:{}".format(xRandom, yRandom))
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pl[i][0] += xRandom
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pl[i][1] += yRandom
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#debug( name,"rms_noise output:{}".format(pl))
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return pl
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def updateRedis():
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global redisLastHit
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global redisData
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for key in redisKeys:
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redisData[key] = r.get(key).decode('ascii')
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debug("name","updateRedis key:{} value:{}".format(key,redisData[key]))
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if key == 'bpm':
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redisData['bpm_ttl'] = r.pttl(key)
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debug(name,"redisData:{}".format(redisData))
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try:
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while True:
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# it is time to query redis
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if now() - redisLastHit > redisFreq:
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updateRedis()
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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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for mode in modeList:
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pointsList = locals()[mode](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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