688 lines
24 KiB
Python
688 lines
24 KiB
Python
#!/usr/bin/python3
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from collections import defaultdict
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from glob import glob
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import json
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import os
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import re
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import shutil
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import subprocess
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import sys
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import time
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from pathlib import Path
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import ox
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from .pi import random
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from .render_kdenlive import KDEnliveProject, _CACHE
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def random_int(seq, length):
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n = n_ = length - 1
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#print('len', n)
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if n == 0:
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return n
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r = seq() / 9 * 10
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base = 10
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while n > 10:
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n /= 10
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r += seq() / 9 * 10
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base += 10
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r = int(round(n_ * r / base))
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return r
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def random_choice(seq, items, pop=False):
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n = random_int(seq, len(items))
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if pop:
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return items.pop(n)
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return items[n]
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def chance(seq, chance):
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return (seq() / 10) < chance
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def get_clip_by_seqid(clips, seqid):
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selected = None
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for i, clip in enumerate(clips):
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if clip['seqid'] == seqid:
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selected = i
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break
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if selected is not None:
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return clips.pop(i)
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return None
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def write_if_new(path, data, mode=''):
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read_mode = 'r' + mode
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write_mode = 'w' + mode
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if os.path.exists(path):
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with open(path, read_mode) as fd:
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old = fd.read()
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else:
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old = ""
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is_new = data != old
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if path.endswith(".kdenlive"):
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is_new = re.sub('\{.{36}\}', '', data) != re.sub('\{.{36}\}', '', old)
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if is_new:
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with open(path, write_mode) as fd:
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fd.write(data)
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def compose(clips, target=150, base=1024, voice_over=None):
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length = 0
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scene = {
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'front': {
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'V1': [],
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'V2': [],
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},
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'back': {
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'V1': [],
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'V2': [],
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},
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'audio-back': {
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'A1': [],
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},
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'audio-center': {
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'A1': [],
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},
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'audio-front': {
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'A1': [],
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'A2': [],
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'A3': [],
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'A4': [],
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},
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'audio-rear': {
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'A1': [],
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'A2': [],
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'A3': [],
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'A4': [],
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},
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}
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all_clips = clips.copy()
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seq = random(10000 + base * 1000)
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used = []
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voice_overs = []
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if voice_over:
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vo_keys = list(sorted(voice_over))
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if chance(seq, 0.5):
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vo_key = vo_keys[random_int(seq, len(vo_keys))]
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voice_overs.append(voice_over[vo_key])
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elif len(vo_keys) >= 2:
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vo1 = vo_keys.pop(random_int(seq, len(vo_keys)))
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vo2 = vo_keys.pop(random_int(seq, len(vo_keys)))
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voice_overs.append(voice_over[vo1])
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if voice_over[vo1]["duration"] + voice_over[vo2]["duration"] < target:
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print("adding second vo")
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voice_overs.append(voice_over[vo2])
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print("vo:", [x['src'] for x in voice_overs], list(sorted(voice_over)))
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vo_min = sum([vo['duration'] for vo in voice_overs])
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sub_offset = 0
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if vo_min > target:
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target = vo_min
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elif vo_min < target:
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offset = (target - vo_min) / 2
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scene['audio-center']['A1'].append({
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'blank': True,
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'duration': offset
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})
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scene['audio-rear']['A1'].append({
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'blank': True,
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'duration': offset
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})
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vo_min += offset
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sub_offset = offset
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subs = []
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for vo in voice_overs:
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voc = vo.copy()
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a, b = '3', '-6'
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if 'Whispered' in voc['src']:
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a, b = '6', '-3'
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elif 'Read' in voc['src']:
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a, b = '6.25', '-2.75'
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elif 'Free' in voc['src']:
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a, b = '5.2', '-3.8'
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elif 'Ashley' in voc['src']:
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a, b = '3.75', '-5.25'
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elif 'Melody' in voc['src']:
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a, b = '4.25', '-4.75'
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voc['filter'] = {'volume': a}
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scene['audio-center']['A1'].append(voc)
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vo_low = vo.copy()
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vo_low['filter'] = {'volume': b}
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scene['audio-rear']['A1'].append(vo_low)
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for sub in voc.get("subs", []):
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sub = sub.copy()
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sub["in"] += sub_offset
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sub["out"] += sub_offset
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subs.append(sub)
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sub_offset += voc["duration"]
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if subs:
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scene["subtitles"] = subs
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clip = None
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while target - length > 0 and clips:
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# coin flip which site is visible (50% chance)
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if length:
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remaining = target - length
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remaining = remaining * 1.05 # allow for max of 10% over time
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clips_ = [c for c in clips if c['duration'] <= remaining]
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if clips_:
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clips = clips_
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if clip:
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if chance(seq, 0.5):
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next_seqid = clip['seqid'] + 1
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clip = get_clip_by_seqid(clips, next_seqid)
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else:
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clip = None
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if not clip:
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clip = random_choice(seq, clips, True)
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if not clips:
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print("not enough clips, need to reset")
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clips = [c for c in all_clips if c != clip and c not in used]
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if not clips:
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print("not enough clips, also consider used")
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clips = [c for c in all_clips if c != clip]
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if not clips:
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print("not enough clips, also consider last clip")
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clips = all_clips.copy()
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if length + clip['duration'] > target and length >= vo_min:
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break
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print('%06.3f %06.3f' % (length, clip['duration']), os.path.basename(clip['original']))
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length += clip['duration']
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if "foreground" not in clip and "animation" in clip:
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fg = clip['animation']
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transparancy = 1
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else:
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fg = clip['foreground']
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if 'animation' in clip and chance(seq, 0.15):
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fg = clip['animation']
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transparancy = 1
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else:
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if 'foreground2' in clip:
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if 'foreground3' in clip:
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n = seq()
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if n <= 3: # 0,1,2,3
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clip['foreground']
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elif n <= 6: # 4,5,6
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clip['foreground2']
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else: # 7,8,9
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clip['foreground3']
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elif chance(seq, 0.5):
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fg = clip['foreground2']
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transparancy = seq() / 9
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transparancy = 1
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if 'foley' in clip:
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foley = clip['foley']
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else:
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foley = fg
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scene['front']['V2'].append({
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'duration': clip['duration'],
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'src': fg,
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"filter": {
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'transparency': transparancy,
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}
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})
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transparency = seq() / 9
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# 50% of time no transparancy of foregroudnd layer
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# 50% some transparancy, 25%, 50%, 75% levels of transparancy
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transparancy = 1
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# coin flip which site is visible (50% chance)
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#if chance(seq, 0.5):
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if chance(seq, 0.8):
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transparency_front = transparency
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transparency_back = 0
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else:
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transparency_back = random_choice(seq, [0.25, 0.5, 0.75, 1])
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transparency_front = 0
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transparency_original = seq() / 9
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transparency_original = 1
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if "background" in clip:
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scene['front']['V1'].append({
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'duration': clip['duration'],
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'src': clip['background'],
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"filter": {
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'transparency': transparency_front
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}
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})
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scene['back']['V2'].append({
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'duration': clip['duration'],
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'src': clip['background'],
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"filter": {
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'transparency': transparency_back
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}
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})
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else:
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scene['front']['V1'].append({
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'duration': clip['duration'],
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'src': clip['animation'],
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"filter": {
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'transparency': 0,
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}
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})
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scene['back']['V2'].append({
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'duration': clip['duration'],
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'src': clip['original'],
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"filter": {
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'transparency': 0,
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}
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})
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scene['back']['V1'].append({
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'duration': clip['duration'],
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'src': clip['original'],
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"filter": {
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'transparency': transparency_original,
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}
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})
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# 50 % chance to blur original from 0 to 30
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if chance(seq, 0.5):
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blur = seq() * 3
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if blur:
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scene['back']['V1'][-1]['filter']['blur'] = blur
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scene['audio-back']['A1'].append({
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'duration': clip['duration'],
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'src': clip['original'],
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'filter': {'volume': '+0.2'},
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})
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# TBD: Foley
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cf_volume = '-5.5'
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scene['audio-front']['A2'].append({
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'duration': clip['duration'],
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'src': foley,
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'filter': {'volume': cf_volume},
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})
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scene['audio-rear']['A2'].append({
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'duration': clip['duration'],
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'src': foley,
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'filter': {'volume': cf_volume},
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})
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used.append(clip)
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print("scene duration %0.3f (target: %0.3f, vo_min: %0.3f)" % (length, target, vo_min))
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return scene, used
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def get_scene_duration(scene):
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duration = 0
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for key, value in scene.items():
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for name, clips in value.items():
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for clip in clips:
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duration += clip['duration']
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return duration
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def get_offset_duration(prefix):
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duration = 0
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for root, folders, files in os.walk(prefix):
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for f in files:
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if f == 'scene.json':
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path = os.path.join(root, f)
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scene = json.load(open(path))
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duration += get_scene_duration(scene)
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return duration
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def render(root, scene, prefix=''):
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fps = 24
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files = []
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scene_duration = int(get_scene_duration(scene) * 24)
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for timeline, data in scene.items():
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if timeline == "subtitles":
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path = os.path.join(root, prefix + "front.srt")
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data = fix_overlaps(data)
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srt = ox.srt.encode(data)
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write_if_new(path, srt, 'b')
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continue
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#print(timeline)
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project = KDEnliveProject(root)
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tracks = []
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track_durations = {}
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for track, clips in data.items():
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#print(track)
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for clip in clips:
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project.append_clip(track, clip)
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track_durations[track] = int(sum([c['duration'] for c in clips]) * 24)
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if timeline.startswith('audio-'):
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track_duration = project.get_duration()
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delta = scene_duration - track_duration
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if delta > 0:
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for track in track_durations:
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if track_durations[track] == track_duration:
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project.append_clip(track, {'blank': True, "duration": delta/24})
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break
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path = os.path.join(root, prefix + "%s.kdenlive" % timeline)
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project_xml = project.to_xml()
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write_if_new(path, project_xml)
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files.append(path)
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return files
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def get_fragments(clips, voice_over, prefix):
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import itemlist.models
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import item.models
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fragments = []
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for l in itemlist.models.List.objects.filter(status='featured').order_by('name'):
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if l.name.split(' ')[0].isdigit():
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fragment = {
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'name': l.name,
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'tags': [],
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'anti-tags': [],
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'description': l.description
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}
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for con in l.query['conditions']:
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if "conditions" in con:
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for sub in con["conditions"]:
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if sub['key'] == "tags" and sub['operator'] == '==':
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fragment['tags'].append(sub['value'])
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elif sub['key'] == "tags" and sub['operator'] == '!=':
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fragment['tags'].append(sub['value'])
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else:
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print(l.name, 'unknown sub condition', sub)
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elif con.get('key') == "tags" and con['operator'] == '==':
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fragment['tags'].append(con['value'])
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elif con.get('key') == "tags" and con['operator'] == '!=':
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fragment['anti-tags'].append(con['value'])
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fragment["id"] = int(fragment['name'].split(' ')[0])
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originals = []
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for i in l.get_items(l.user):
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orig = i.files.filter(selected=True).first()
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if orig:
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ext = os.path.splitext(orig.data.path)[1]
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type_ = i.data['type'][0].lower()
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target = os.path.join(prefix, type_, i.data['title'] + ext)
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originals.append(target)
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fragment['clips'] = []
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for clip in clips:
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#if set(clip['tags']) & set(fragment['tags']) and not set(clip['tags']) & set(fragment['anti-tags']):
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if clip['original'] in originals:
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fragment['clips'].append(clip)
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fragment["voice_over"] = voice_over.get(str(fragment["id"]), {})
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fragments.append(fragment)
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fragments.sort(key=lambda f: ox.sort_string(f['name']))
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return fragments
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def render_all(options):
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prefix = options['prefix']
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duration = int(options['duration'])
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base = int(options['offset'])
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_cache = os.path.join(prefix, "cache.json")
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if os.path.exists(_cache):
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with open(_cache) as fd:
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_CACHE.update(json.load(fd))
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with open(os.path.join(prefix, "clips.json")) as fd:
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clips = json.load(fd)
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with open(os.path.join(prefix, "voice_over.json")) as fd:
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voice_over = json.load(fd)
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fragments = get_fragments(clips, voice_over, prefix)
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with open(os.path.join(prefix, "fragments.json"), "w") as fd:
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json.dump(fragments, fd, indent=2, ensure_ascii=False)
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position = target_position = 0
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target = fragment_target = duration / len(fragments)
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base_prefix = os.path.join(prefix, 'render', str(base))
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clips_used = []
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stats = defaultdict(lambda: 0)
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fragment_base = base
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for fragment in fragments:
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fragment_base += 1
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fragment_id = int(fragment['name'].split(' ')[0])
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name = fragment['name'].replace(' ', '_')
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if fragment_id < 10:
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name = '0' + name
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if not fragment['clips']:
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print("skipping empty fragment", name)
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continue
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fragment_prefix = os.path.join(base_prefix, name)
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os.makedirs(fragment_prefix, exist_ok=True)
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fragment_clips = fragment['clips']
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unused_fragment_clips = [c for c in fragment_clips if c not in clips_used]
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print('fragment clips', len(fragment_clips), 'unused', len(unused_fragment_clips))
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scene, used = compose(unused_fragment_clips, target=target, base=fragment_base, voice_over=fragment['voice_over'])
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clips_used += used
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scene_duration = get_scene_duration(scene)
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print("%s %6.3f -> %6.3f (%6.3f)" % (name, target, scene_duration, fragment_target))
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src = [a for a in scene['audio-rear']['A1'] if 'src' in a][0]['src']
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stats[src.split('/')[-2]] += 1
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position += scene_duration
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target_position += fragment_target
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if position > target_position:
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target = fragment_target - (position-target_position)
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print("adjusting target duration for next fragment: %6.3f -> %6.3f" % (fragment_target, target))
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elif position < target_position:
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target = target + 0.1 * fragment_target
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timelines = render(prefix, scene, fragment_prefix[len(prefix) + 1:] + '/')
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scene_json = json.dumps(scene, indent=2, ensure_ascii=False)
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write_if_new(os.path.join(fragment_prefix, 'scene.json'), scene_json)
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if not options['no_video']:
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for timeline in timelines:
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print(timeline)
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ext = '.mp4'
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if '/audio' in timeline:
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ext = '.wav'
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cmd = [
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'xvfb-run', '-a',
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'melt', timeline,
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'-quiet',
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'-consumer', 'avformat:%s' % timeline.replace('.kdenlive', ext),
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]
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if ext == '.wav':
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cmd += ['vn=1']
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else:
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#if not timeline.endswith("back.kdenlive"):
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cmd += ['an=1']
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cmd += ['vcodec=libx264', 'x264opts=keyint=1', 'crf=15']
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subprocess.call(cmd)
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if ext == '.wav' and timeline.endswith('audio.kdenlive'):
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cmd = [
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'ffmpeg', '-y',
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'-nostats', '-loglevel', 'error',
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'-i',
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timeline.replace('.kdenlive', ext),
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timeline.replace('.kdenlive', '.mp4')
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]
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subprocess.call(cmd)
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os.unlink(timeline.replace('.kdenlive', ext))
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fragment_prefix = Path(fragment_prefix)
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cmds = []
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for src, out1, out2 in (
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("audio-front.wav", "fl.wav", "fr.wav"),
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("audio-center.wav", "fc.wav", "lfe.wav"),
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("audio-rear.wav", "bl.wav", "br.wav"),
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):
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cmds.append([
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"ffmpeg", "-y",
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"-nostats", "-loglevel", "error",
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"-i", fragment_prefix / src,
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"-filter_complex",
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"[0:0]pan=1|c0=c0[left]; [0:0]pan=1|c0=c1[right]",
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"-map", "[left]", fragment_prefix / out1,
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"-map", "[right]", fragment_prefix / out2,
|
|
])
|
|
cmds.append([
|
|
"ffmpeg", "-y",
|
|
"-nostats", "-loglevel", "error",
|
|
"-i", fragment_prefix / "fl.wav",
|
|
"-i", fragment_prefix / "fr.wav",
|
|
"-i", fragment_prefix / "fc.wav",
|
|
"-i", fragment_prefix / "lfe.wav",
|
|
"-i", fragment_prefix / "bl.wav",
|
|
"-i", fragment_prefix / "br.wav",
|
|
"-filter_complex", "[0:a][1:a][2:a][3:a][4:a][5:a]amerge=inputs=6[a]",
|
|
"-map", "[a]", "-c:a", "aac", fragment_prefix / "audio-5.1.mp4"
|
|
])
|
|
cmds.append([
|
|
"ffmpeg", "-y",
|
|
"-nostats", "-loglevel", "error",
|
|
"-i", fragment_prefix / "front.mp4",
|
|
"-i", fragment_prefix / "audio-5.1.mp4",
|
|
"-c", "copy",
|
|
fragment_prefix / "front-5.1.mp4",
|
|
])
|
|
cmds.append([
|
|
"ffmpeg", "-y",
|
|
"-nostats", "-loglevel", "error",
|
|
"-i", fragment_prefix / "back.mp4",
|
|
"-i", fragment_prefix / "audio-back.wav",
|
|
"-c:v", "copy",
|
|
fragment_prefix / "back-audio.mp4",
|
|
])
|
|
for cmd in cmds:
|
|
#print(" ".join([str(x) for x in cmd]))
|
|
subprocess.call(cmd)
|
|
|
|
for a, b in (
|
|
("back-audio.mp4", "back.mp4"),
|
|
("front-5.1.mp4", "back.mp4"),
|
|
):
|
|
duration_a = ox.avinfo(str(fragment_prefix / a))['duration']
|
|
duration_b = ox.avinfo(str(fragment_prefix / b))['duration']
|
|
if duration_a != duration_b:
|
|
print('!!', duration_a, fragment_prefix / a)
|
|
print('!!', duration_b, fragment_prefix / b)
|
|
sys.exit(-1)
|
|
shutil.move(fragment_prefix / "back-audio.mp4", fragment_prefix / "back.mp4")
|
|
shutil.move(fragment_prefix / "front-5.1.mp4", fragment_prefix / "front.mp4")
|
|
for fn in (
|
|
"audio-5.1.mp4",
|
|
"audio-center.wav", "audio-rear.wav", "audio-center.wav",
|
|
"audio-front.wav", "audio-back.wav", "back-audio.mp4",
|
|
"fl.wav", "fr.wav", "fc.wav", "lfe.wav", "bl.wav", "br.wav",
|
|
):
|
|
fn = fragment_prefix / fn
|
|
if os.path.exists(fn):
|
|
os.unlink(fn)
|
|
|
|
print("Duration - Target: %s Actual: %s" % (target_position, position))
|
|
print(json.dumps(dict(stats), sort_keys=True, indent=2))
|
|
with open(_cache, "w") as fd:
|
|
json.dump(_CACHE, fd)
|
|
|
|
|
|
def get_srt(sub, offset=0):
|
|
sdata = sub.json(keys=['in', 'out', 'value'])
|
|
sdata['value'] = sdata['value'].replace('<br/>', '<br>').replace('<br>\n', '\n').replace('<br>', '\n')
|
|
if offset:
|
|
sdata["in"] += offset
|
|
sdata["out"] += offset
|
|
return sdata
|
|
|
|
def fix_overlaps(data):
|
|
previous = None
|
|
for sub in data:
|
|
if previous is None:
|
|
previous = sub
|
|
else:
|
|
if sub['in'] < previous['out']:
|
|
previous['out'] = sub['in'] - 0.001
|
|
previous = sub
|
|
return data
|
|
|
|
def update_subtitles(options):
|
|
import item.models
|
|
|
|
prefix = Path(options['prefix'])
|
|
duration = int(options['duration'])
|
|
base = int(options['offset'])
|
|
|
|
_cache = os.path.join(prefix, "cache.json")
|
|
if os.path.exists(_cache):
|
|
with open(_cache) as fd:
|
|
_CACHE.update(json.load(fd))
|
|
|
|
base_prefix = prefix / 'render' / str(base)
|
|
for folder in os.listdir(base_prefix):
|
|
folder = base_prefix / folder
|
|
with open(folder / "scene.json") as fd:
|
|
scene = json.load(fd)
|
|
offset = 0
|
|
subs = []
|
|
for clip in scene['audio-center']['A1']:
|
|
if not clip.get("blank"):
|
|
batch, fragment_id = clip['src'].replace('.wav', '').split('/')[-2:]
|
|
vo = item.models.Item.objects.filter(data__batch__icontains=batch, data__title__startswith=fragment_id + '_').first()
|
|
if vo:
|
|
#print("%s => %s %s" % (clip['src'], vo, vo.get('batch')))
|
|
for sub in vo.annotations.filter(layer="subtitles").exclude(value="").order_by("start"):
|
|
sdata = get_srt(sub, offset)
|
|
subs.append(sdata)
|
|
else:
|
|
print("could not find vo for %s" % clip['src'])
|
|
offset += clip['duration']
|
|
path = folder / "front.srt"
|
|
data = fix_overlaps(subs)
|
|
srt = ox.srt.encode(subs)
|
|
write_if_new(str(path), srt, 'b')
|
|
|
|
|
|
def update_m3u(render_prefix, exclude=[]):
|
|
files = ox.sorted_strings(glob(render_prefix + "*/*/back.mp4"))
|
|
for ex in exclude:
|
|
files = [f for f in files if not f.startswith(ex + "/")]
|
|
back_m3u = "\n".join(files)
|
|
back_m3u = back_m3u.replace(render_prefix, "")
|
|
front_m3u = back_m3u.replace("back.mp4", "front.mp4")
|
|
|
|
back_m3u_f = render_prefix + "back.m3u"
|
|
front_m3u_f = render_prefix + "front.m3u"
|
|
|
|
with open(back_m3u_f + "_", "w") as fd:
|
|
fd.write(back_m3u)
|
|
with open(front_m3u_f + "_", "w") as fd:
|
|
fd.write(front_m3u)
|
|
shutil.move(front_m3u_f + "_", front_m3u_f)
|
|
cmd = ["scp", front_m3u_f, "front:" + front_m3u_f]
|
|
subprocess.check_call(cmd)
|
|
shutil.move(back_m3u_f + "_", back_m3u_f)
|
|
|
|
|
|
def render_infinity(options):
|
|
prefix = options['prefix']
|
|
duration = int(options['duration'])
|
|
|
|
state_f = os.path.join(prefix, "infinity.json")
|
|
if os.path.exists(state_f):
|
|
with open(state_f) as fd:
|
|
state = json.load(fd)
|
|
else:
|
|
state = {
|
|
"offset": 100,
|
|
"max-items": 30,
|
|
"no_video": False,
|
|
}
|
|
for key in ("prefix", "duration"):
|
|
state[key] = options[key]
|
|
|
|
while True:
|
|
render_prefix = state["prefix"] + "/render/"
|
|
current = [
|
|
f for f in os.listdir(render_prefix)
|
|
if f.isdigit() and os.path.isdir(render_prefix + f) and state["offset"] > int(f) >= 100
|
|
]
|
|
if len(current) > state["max-items"]:
|
|
current = ox.sorted_strings(current)
|
|
remove = current[:-state["max-items"]]
|
|
update_m3u(render_prefix, exclude=remove)
|
|
for folder in remove:
|
|
folder = render_prefix + folder
|
|
print("remove", folder)
|
|
shutil.rmtree(folder)
|
|
cmd = ["ssh", "front", "rm", "-rf", folder]
|
|
#print(cmd)
|
|
subprocess.check_call(cmd)
|
|
render_all(state)
|
|
path = "%s%s/" % (render_prefix, state["offset"])
|
|
cmd = ['rsync', '-a', path, "front:" + path]
|
|
subprocess.check_call(cmd)
|
|
update_m3u(render_prefix)
|
|
state["offset"] += 1
|
|
with open(state_f + "~", "w") as fd:
|
|
json.dump(state, fd, indent=2)
|
|
shutil.move(state_f + "~", state_f)
|