126 lines
3.1 KiB
Python
126 lines
3.1 KiB
Python
#!/usr/bin/python3
|
|
import json
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
import time
|
|
|
|
import ox
|
|
from pi import random
|
|
from render_kdenlive import KDEnliveProject
|
|
|
|
|
|
def random_choice(seq, items, pop=False):
|
|
n = n_ = len(items) - 1
|
|
#print('len', n)
|
|
if n == 0:
|
|
return items[0]
|
|
r = seq()
|
|
base = 10
|
|
while n > 10:
|
|
n /= 10
|
|
#print(r)
|
|
r += seq()
|
|
base += 10
|
|
r = int(n_ * r / base)
|
|
#print('result', r, items)
|
|
if pop:
|
|
return items.pop(r)
|
|
return items[r]
|
|
|
|
def chance(seq, chance):
|
|
return (seq() / 10) >= chance
|
|
|
|
|
|
def compose(clips, target=150, base=1024):
|
|
length = 0
|
|
scene = {
|
|
'front': {
|
|
'V1': [],
|
|
'V2': [],
|
|
},
|
|
'back': {
|
|
'V1': [],
|
|
'V2': [],
|
|
},
|
|
'audio': {
|
|
'A1': [],
|
|
'A2': [],
|
|
'A3': [],
|
|
'A4': [],
|
|
}
|
|
}
|
|
seq = random(base)
|
|
while target - length > 10 and clips:
|
|
clip = random_choice(seq, clips, True)
|
|
if length + clip['duration'] > target:
|
|
break
|
|
length += clip['duration']
|
|
|
|
scene['front']['V1'].append({
|
|
'duration': clip['duration'],
|
|
'src': clip['foreground'],
|
|
"filter": {
|
|
'transparency': seq() / 10,
|
|
}
|
|
})
|
|
|
|
transparency = seq() / 10
|
|
# coin flip which site is visible (50% chance)
|
|
if chance(seq, 0.5):
|
|
transparency_front = transparency
|
|
transparency_back = 0
|
|
else:
|
|
transparency_back = transparency
|
|
transparency_front = 0
|
|
scene['front']['V2'].append({
|
|
'duration': clip['duration'],
|
|
'src': clip['background'],
|
|
"filter": {
|
|
'transparency': transparency_front
|
|
}
|
|
})
|
|
scene['back']['V1'].append({
|
|
'duration': clip['duration'],
|
|
'src': clip['background'],
|
|
"filter": {
|
|
'transparency': transparency_back
|
|
}
|
|
})
|
|
scene['back']['V2'].append({
|
|
'duration': clip['duration'],
|
|
'src': clip['original'],
|
|
"filter": {
|
|
'transparency': seq() / 10,
|
|
}
|
|
})
|
|
# 50 % chance to blur original from 0 to 30
|
|
if chance(seq, 0.5):
|
|
blur = seq() * 3
|
|
scene['back']['V2'][-1]['filter']['blur'] = blur
|
|
scene['audio']['A1'].append({
|
|
'duration': clip['duration'],
|
|
'src': clip['original'],
|
|
})
|
|
scene['audio']['A2'].append({
|
|
'duration': clip['duration'],
|
|
'src': clip['foreground'],
|
|
})
|
|
return scene
|
|
|
|
|
|
def render(root, scene):
|
|
fps = 24
|
|
for timeline, data in scene.items():
|
|
print(timeline)
|
|
project = KDEnliveProject(root)
|
|
|
|
tracks = []
|
|
for track, clips in data.items():
|
|
print(track)
|
|
for clip in clips:
|
|
project.append_clip(track, clip)
|
|
|
|
with open(os.path.join(prefix, "%s.kdenlive" % timeline), 'w') as fd:
|
|
fd.write(project.to_xml())
|
|
|