162 行
5 KiB
Python
162 行
5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Beat tracking example
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# Appunti: buono per un video u po' psichedelico ci va:
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# <lora:bb3l15:1> an abstract circuit board design with orange yellow green and purple squares over red background in the style of bb3l15
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# su modello colorful_v30 (https://civitai.com/images/3024879?modelVersionId=188803&prioritizedUserIds=913950&period=AllTime&sort=Most+Reactions&limit=20 )
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# <lora:Ink_scenery:1> black background, sketch jungle scenery, path, dense su sd 1.5
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# Wilson <lora:Ink_scenery:1> black background, sketch jungle setting
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import os
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import numpy as np
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import librosa
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import random
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import math
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from scipy.interpolate import interp1d
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import matplotlib.pyplot as plt
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def plotting_stuffs():
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plt.figure(figsize=(15, 17))
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t = librosa.frames_to_time(range(rms.size), hop_length=flength)
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ax = plt.subplot(3, 1, 1)
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librosa.display.waveshow(wave, alpha=0.5)
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plt.plot(t, rms[0], color="r")
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plt.plot(t, trms, color="b")
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plt.ylim((-1, 1))
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plt.title("Wave&Featurres")
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plt.show()
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x = np.linspace(0,1,100)
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y = sig(x)
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plt.plot(x, y)
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plt.show()
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plt.hist(rms[0], color = 'red', edgecolor = 'black', bins = 10)
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plt.show()
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plt.hist(cent[0], color = 'blue', edgecolor = 'black', bins = int(cent.max()/100))
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plt.show()
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plt.hist(zcr[0], color = 'green', edgecolor = 'black', bins = 10)
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plt.show()
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plt.figure(figsize=(150, 17))
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t = librosa.frames_to_time(range(zcr.size), hop_length=flength)
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ax = plt.subplot(3, 1, 1)
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plt.xticks(np.arange(0, 12103, step=1))
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plt.plot(t, zcr[0], color="r")
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plt.ylim((zcr.min(), zcr.max()))
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plt.title("ZCR")
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plt.show()
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def f(t):
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return 1.0025+0.002*np.sin(1.25*3.14*t/30)
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#return x ** 2
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def sig(x):
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return 1/(1 + np.exp(-12*(x-0.431)))
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def transformXYrandom(x):
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return random.random()*10*x-5;
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strength_min = 0.4
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strength_max = 0.73
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# Assuming that into "generated" directoruy U've already create "project_name" subfolder
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#audio_input_file = '/home/lalo/data/studio_suono/ardourprojects/space/export/star_r1_sessione_20240310_msub07.wav'
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audio_input_file = "/home/luca-conte/Musica/ardour_projects/end_titles/export/end_titles_draft_r1_sessione.wav"
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#audio_input_file = '/home/lalo/data/studio_grafica/deforum/wilson_r1_mm_sample2.wav'
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#audio_input_file = '/home/lalo/data/studio_suono/spx/231104_001_m01.wav'
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#audio_input_file = '/home/lalo/data/studio_grafica/deforum/eucrasy_r1_sample.wav'
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#audio_input_file = '/home/lalo/data/studio_grafica/deforum/eucrasy_r1.wav'
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#audio_input_file = '/home/lalo/data/studio_grafica/deforum/eucrasy_short_r1.wav'
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#audio_input_file = '/home/lalo/data/studio_suono/231014_002_mastered_r2_clip.WAV'
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#audio_input_file = 'C:/Users/LucaConte/Music/lc_music/wilson_r1_mm.wav'
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# Store the sampling rate as `sr`
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fps = 24
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flength = 22050//fps
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#audio frame size is 22050/30=735
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wave, sr = librosa.load(audio_input_file)
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rms = librosa.feature.rms(y=wave, frame_length=flength, hop_length=flength)
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zcr = librosa.feature.zero_crossing_rate(y=wave,frame_length=flength,hop_length=flength)
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#rms = librosa.feature.rms(y=wave, frame_length=735, hop_length=735)
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cent = librosa.feature.spectral_centroid(y=wave, sr=sr,n_fft=flength, hop_length=flength)
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duration = int(math.ceil(librosa.get_duration(y=wave, sr=sr)))
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frames = duration * fps
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print("RMS SIZE: " + str(len(rms[0])))
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print("Rms min/max: " + str(rms.min()) + "/" + str(rms.max()))
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print("CEN SIZE: " + str(len(cent[0])))
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print("Cent min/max: " + str(cent.min()) + "/" + str(cent.max()))
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print("TOTAL FRAMES: " + str(frames))
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print("Audio duration in secs: " + str(duration))
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#
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# sr.len /22050 = duration
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# rms.len * 30 = duration
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# rms[i] mi da la potenza media del frame iesimo
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trms= rms[0]
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m = interp1d([min(trms), max(trms)], [strength_min, strength_max])
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c = interp1d([cent.min(), cent.max()], [-0.5, 0.5])
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# Creating the sctipt file (the real unique aoutput of this script)
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try:
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print("")
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print("------RMS---------")
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print("")
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for frame in range(len(rms[0])):
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print(str(frame) + ":(" + str(trms[frame]) + "),", end="")
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print("")
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print("-------CENTROIDS--------")
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print("")
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for frame in range(cent.size):
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print(str(frame) + ":(" + str(cent[0][frame]) + "),", end="")
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print("")
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print("-----TRANSFORM----------")
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print("")
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for frame in range(cent.size):
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print(str(frame) + ":(" + str(transformXYrandom(1)) + "),", end="")
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print("")
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print("-----ZERO CROSSING RATE----------")
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print("")
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for frame in range(zcr.size):
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print(str(frame) + ":(" + str(zcr[0][frame]) + "),", end="")
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print("RMS SIZE: " + str(len(rms[0])))
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print("Rms min/max: " + str(rms.min()) + "/" + str(rms.max()))
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print("Rms mean: " + str(np.mean(rms[0])))
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print("CEN SIZE: " + str(len(cent[0])))
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print("Cent min/max: " + str(cent.min()) + "/" + str(cent.max()))
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print("TOTAL FRAMES: " + str(frames))
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print("Audio duration in secs: " + str(duration))
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except:
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print(exception)
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plotting_stuffs()
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