audito/AudioToDeforumKeyframes.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Beat tracking example
# Appunti: buono per un video u po' psichedelico ci va:
#       <lora:bb3l15:1> an abstract circuit board design with orange yellow green and purple squares over red background in the style of bb3l15
#       su modello colorful_v30 (https://civitai.com/images/3024879?modelVersionId=188803&prioritizedUserIds=913950&period=AllTime&sort=Most+Reactions&limit=20 )

#   <lora:Ink_scenery:1> black  background, sketch    jungle scenery, path, dense su sd 1.5
# Wilson  <lora:Ink_scenery:1> black  background, sketch    jungle  setting

import os
import numpy as np
import librosa
import math
from scipy.interpolate import interp1d
import matplotlib.pyplot as plt

def f(t):
    return 1.0025+0.002*np.sin(1.25*3.14*t/30)
    #return x ** 2


strength_min = 0.4
strength_max = 0.6


# Assuming that into "generated" directoruy U've already create "project_name" subfolder
#audio_input_file = '/home/lalo/data/studio_grafica/deforum/wilson_r1_mm_sample.wav'
#audio_input_file = '/home/lalo/data/studio_suono/spx/231104_001_m01.wav'
#audio_input_file = '/home/lalo/data/studio_grafica/deforum/eucrasy_r1_sample.wav'
#audio_input_file = '/home/lalo/data/studio_grafica/deforum/eucrasy_r1.wav'
#audio_input_file = '/home/lalo/data/studio_suono/231014_002_mastered_r2_clip.WAV'
audio_input_file = 'C:/Users/LucaConte/Music/lc_music/wilson_r1_mm.wav'


#    Store the sampling rate as `sr`

fps = 24

flength = 22050//fps
#audio frame size is 22050/30=735



y, sr = librosa.load(audio_input_file)
rms = librosa.feature.rms(y=y, frame_length=flength, hop_length=flength)

#rms = librosa.feature.rms(y=y, frame_length=735, hop_length=735)
cent = librosa.feature.spectral_centroid(y=y, sr=sr,n_fft=flength, hop_length=flength)
duration = int(math.ceil(librosa.get_duration(y=y, sr=sr)))

frames = duration * fps 



print("RMS SIZE: " + str(len(rms[0])))
print("CEN SIZE: " + str(len(cent[0])))
print("TOTAL FRAMES: " + str(frames))

# sr.len /22050 = duration
# rms.len * 30 = duration
# rms[i] mi da la potenza media del frame iesimo

m = interp1d([rms.min(), rms.max()], [strength_min, strength_max])
c = interp1d([cent.min(), cent.max()], [-0.5, 0.5])
print("Cent min/max: " + str(cent.min()) + "/" + str(cent.max()))

print("Audio duration in secs: " + str(duration))
# Creating the sctipt file (the real unique aoutput of this script)
try:
    for frame in range(len(rms[0])):
        print(str(frame) + ":(" + str(1-m(rms[0][frame])) + "),", end="")

    print("")
    print("---------------")
    print("")

    for frame in range(rms.size):
        print(str(frame) + ":(" + str(cent[0][frame]) + "),", end="")
except:
    print(exception)



x = np.array(range(200))
#x = np.array(range(len(cent[0])))
y = np.array(cent[0])


plt.hist(cent[0], color = 'blue', edgecolor = 'black',
         bins = int(cent.max()/100))


plt.show()


x = np.linspace(1, 4000, 4000)
y = f(x)

plt.plot(x, y)
plt.show()