tune audio
This commit is contained in:
parent
10314d1c3d
commit
65ff5d5e32
2 changed files with 82 additions and 17 deletions
35
render.py
35
render.py
|
|
@ -21,6 +21,11 @@ HIDDEN_TAGS = [
|
|||
"women with white males"
|
||||
]
|
||||
|
||||
# items to not use at all
|
||||
BLACKLIST = [
|
||||
'XN'
|
||||
]
|
||||
|
||||
api = None
|
||||
|
||||
def get_api():
|
||||
|
|
@ -130,7 +135,9 @@ def get_clips(tag):
|
|||
'operator': '&'
|
||||
},
|
||||
'keys': ['id', 'in', 'out'],
|
||||
'range': [0, 10000]})['data']['items']
|
||||
'range': [0, 90000]})['data']['items']
|
||||
clips = [clip for clip in clips if clip['id'].split('/')[0] not in BLACKLIST]
|
||||
|
||||
for clip in clips:
|
||||
clip['path'] = get_path(clip['id'].split('/')[0])
|
||||
# or use round?
|
||||
|
|
@ -138,6 +145,7 @@ def get_clips(tag):
|
|||
clip['out'] = int(clip['out'] / FRAME_DURATION) * FRAME_DURATION
|
||||
clip['duration'] = clip['out'] - clip['in']
|
||||
clip['tag'] = tag
|
||||
clips = [clip for clip in clips if clip['duration']]
|
||||
CLIPS[tag] = list(sorted(clips, key=lambda c: c['id']))
|
||||
with open('CLIPS.json', 'w') as fd:
|
||||
json.dump(CLIPS, fd, indent=4, sort_keys=True)
|
||||
|
|
@ -250,7 +258,8 @@ def sequence(seq, letter):
|
|||
n = seq()
|
||||
if n == 0:
|
||||
blank = {'blank': True, 'duration': position - last_text}
|
||||
result['text'].append(blank)
|
||||
if blank['duration']:
|
||||
result['text'].append(blank)
|
||||
n = seq()
|
||||
if n == 0:
|
||||
n = 10
|
||||
|
|
@ -301,6 +310,8 @@ def sequence(seq, letter):
|
|||
and result[track][-1]['duration'] > clip['duration']:
|
||||
result[track][-1]['duration'] -= (position-duration)
|
||||
position = duration
|
||||
if not result[track][-1]['duration']:
|
||||
result[track].pop(-1)
|
||||
if position <= duration:
|
||||
result[track].append(clip)
|
||||
else:
|
||||
|
|
@ -312,10 +323,15 @@ def sequence(seq, letter):
|
|||
track = 'vocals'
|
||||
if letter in VOCALS:
|
||||
position = 0
|
||||
loop = 0
|
||||
while position < duration:
|
||||
n = seq()
|
||||
# vocals should start after one blank
|
||||
if len(result[track]) and result[track][-1].get('blank'):
|
||||
n = 10
|
||||
# 50 % chance of a silence of up to 5 seconds
|
||||
if n < 5:
|
||||
n = seq()
|
||||
n = seq() / 2 # (0 - 5 seconds)
|
||||
position += add_blank(result[track], min(n, duration-position))
|
||||
else:
|
||||
n = seq()
|
||||
|
|
@ -326,11 +342,15 @@ def sequence(seq, letter):
|
|||
and result[track][-1]['duration'] > clip['duration']:
|
||||
result[track][-1]['duration'] -= (position-duration)
|
||||
position = duration
|
||||
if not result[track][-1]['duration']:
|
||||
result[track].pop(-1)
|
||||
if position <= duration:
|
||||
result[track].append(clip)
|
||||
else:
|
||||
position -= clip['duration']
|
||||
break
|
||||
if duration - position < 10 or loop > 10:
|
||||
break
|
||||
loop += 1
|
||||
if position < duration:
|
||||
position += add_blank(result[track], duration - position)
|
||||
'''
|
||||
|
|
@ -380,6 +400,7 @@ def sequence(seq, letter):
|
|||
|
||||
|
||||
if __name__ == '__main__':
|
||||
encode = len(sys.argv) < 2 or sys.argv[1] != 'json'
|
||||
for n in range(10):
|
||||
seq = random(n * 1000)
|
||||
#for letter in ('T', 'W'):
|
||||
|
|
@ -400,5 +421,7 @@ if __name__ == '__main__':
|
|||
if current != old:
|
||||
with open(tjson, 'w') as fd:
|
||||
fd.write(current)
|
||||
subprocess.call(['./render_mlt.py', tjson])
|
||||
#subprocess.call(['./render_audio.py', tjson])
|
||||
if encode:
|
||||
if current != old or os.path.getmtime(tjson) < os.path.getmtime('render_mlt.py'):
|
||||
subprocess.call(['./render_mlt.py', tjson, 'encode'])
|
||||
#subprocess.call(['./render_audio.py', tjson])
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@ import sys
|
|||
import json
|
||||
import subprocess
|
||||
|
||||
import ox
|
||||
import mlt
|
||||
from PyQt5 import QtWidgets
|
||||
|
||||
|
|
@ -14,7 +15,6 @@ app = QtWidgets.QApplication(sys.argv)
|
|||
#mlt.mlt_log_set_level(40) # verbose
|
||||
mlt.Factory.init()
|
||||
|
||||
|
||||
tractor = mlt.Tractor()
|
||||
tractor.mark_in = -1
|
||||
tractor.mark_out = -1
|
||||
|
|
@ -22,6 +22,11 @@ tractor.mark_out = -1
|
|||
multitrack = tractor.multitrack()
|
||||
|
||||
source = sys.argv[1]
|
||||
if len(sys.argv) > 2:
|
||||
encode = sys.argv[2] == 'encode'
|
||||
else:
|
||||
encode = False
|
||||
|
||||
target = source.replace('.json', '.xml')
|
||||
target_audio = source.replace('.json', '.audio.xml')
|
||||
target_vocals = source.replace('.json', '.vocals.xml')
|
||||
|
|
@ -52,9 +57,25 @@ def add_color(playlist, color, duration):
|
|||
def add_clip(playlist, file_, in_, duration):
|
||||
if not isinstance(file_, str):
|
||||
file_ = file_.encode('utf-8')
|
||||
'''
|
||||
info = ox.avinfo(file_)
|
||||
tractor = mlt.Tractor()
|
||||
tracks = tractor.multitrack()
|
||||
video = mlt.Playlist()
|
||||
'''
|
||||
clip = mlt.Producer(profile, file_)
|
||||
clip.set_in_and_out(in_, in_+duration-1)
|
||||
playlist.append(clip)
|
||||
'''
|
||||
video.append(clip)
|
||||
tracks.connect(video, 0)
|
||||
if not not info.get('audio'):
|
||||
audio = mlt.Playlist()
|
||||
add_silence(audio, duration)
|
||||
tracks.connect(audio, 1)
|
||||
#tracks.set_in_and_out(in_, in_+duration-1)
|
||||
playlist.append(tractor)
|
||||
'''
|
||||
|
||||
def add_audio_clip(playlist, file_, duration):
|
||||
in_ = 0
|
||||
|
|
@ -82,9 +103,11 @@ def add_text(playlist, value, length):
|
|||
|
||||
|
||||
for clip in data['clips']:
|
||||
frames = int(clip['duration'] * fps)
|
||||
if not frames:
|
||||
continue
|
||||
if clip.get('black'):
|
||||
# fixme seconds to fps! duration fame etc!!
|
||||
frames = int(clip['duration'] * fps)
|
||||
add_color(video, 'black', frames)
|
||||
else:
|
||||
#print(clip['duration'], clip['path'])
|
||||
|
|
@ -93,20 +116,22 @@ for clip in data['clips']:
|
|||
sys.exit(1)
|
||||
# fixme seconds to fps!
|
||||
in_ = int(clip['in'] * fps)
|
||||
frames = int(clip['duration'] * fps)
|
||||
add_clip(video, clip['path'], in_, frames)
|
||||
add_color(video, 'black', 60)
|
||||
|
||||
for clip in data['text']:
|
||||
frames = int(clip['duration'] * fps)
|
||||
if not frames:
|
||||
continue
|
||||
if clip.get('blank'):
|
||||
frames = int(clip['duration'] * fps)
|
||||
add_blank(overlay, frames)
|
||||
else:
|
||||
frames = int(clip['duration'] * fps)
|
||||
add_text(overlay, clip['text'], frames)
|
||||
|
||||
for clip in data['music']:
|
||||
frames = int(clip['duration'] * fps)
|
||||
if not frames:
|
||||
continue
|
||||
if clip.get('blank'):
|
||||
add_silence(music, frames)
|
||||
else:
|
||||
|
|
@ -114,6 +139,8 @@ for clip in data['music']:
|
|||
|
||||
for clip in data['vocals']:
|
||||
frames = int(clip['duration'] * fps)
|
||||
if not frames:
|
||||
continue
|
||||
if clip.get('blank'):
|
||||
add_silence(vocals, frames)
|
||||
else:
|
||||
|
|
@ -138,7 +165,7 @@ composite = mlt.Transition(profile, "composite")
|
|||
tractor.plant_transition(composite)
|
||||
|
||||
volume = mlt.Filter(profile, "volume")
|
||||
volume.set("gain", '0.1')
|
||||
volume.set("gain", '0.12')
|
||||
tractor.plant_filter(volume)
|
||||
|
||||
def mix_audio_tracks(a, b, ratio):
|
||||
|
|
@ -152,6 +179,8 @@ def mix_audio_tracks(a, b, ratio):
|
|||
mix = mlt.Transition(profile, "mix")
|
||||
mix.set("start", ratio)
|
||||
mix.set("end", ratio)
|
||||
#mix.set("always_active", 1)
|
||||
#mix.set("combine", 1)
|
||||
tractor.plant_transition(mix)
|
||||
return tractor
|
||||
|
||||
|
|
@ -164,9 +193,15 @@ consumer.start()
|
|||
# mix drones
|
||||
drones = mix_audio_tracks(drones0, drones1, 0.5)
|
||||
|
||||
|
||||
# mix drones + music
|
||||
mtractor = mix_audio_tracks(drones, music, 0.20)
|
||||
atractor = mix_audio_tracks(vocals, mtractor, 0.20)
|
||||
mtractor = mix_audio_tracks(drones, music, 0.3)
|
||||
norm = mlt.Filter(profile, "volume")
|
||||
norm.set("gain", "-12dB")
|
||||
mtractor.plant_filter(norm)
|
||||
|
||||
# background and vocals
|
||||
atractor = mix_audio_tracks(vocals, mtractor, 0.4)
|
||||
|
||||
consumer = mlt.Consumer(profile, 'xml', target_audio)
|
||||
consumer.connect(atractor)
|
||||
|
|
@ -176,14 +211,17 @@ target_audio_wav = target_audio + '.wav'
|
|||
subprocess.call([
|
||||
'qmelt', target_audio, '-consumer', 'avformat:' + target_audio_wav,
|
||||
])
|
||||
audiomix = mlt.Producer(profile, target_audio_wav)
|
||||
|
||||
audiomix = mlt.Playlist()
|
||||
duration = sum(clip['duration'] for clip in data['clips'])
|
||||
add_audio_clip(audiomix, target_audio_wav, int(duration * fps))
|
||||
|
||||
# mix vocals and music
|
||||
#atractor = mix_audio_tracks(vocals, mtractor, 0.20)
|
||||
|
||||
# mix video + audio
|
||||
#dtractor = mix_audio_tracks(atractor, tractor, 0.5)
|
||||
dtractor = mix_audio_tracks(audiomix, tractor, 0.5)
|
||||
dtractor = mix_audio_tracks(audiomix, tractor, 0.29)
|
||||
|
||||
|
||||
output = mlt.Tractor()
|
||||
|
|
@ -193,7 +231,8 @@ output_tracks = output.multitrack()
|
|||
output_tracks.connect(dtractor, 0)
|
||||
|
||||
norm = mlt.Filter(profile, "volume")
|
||||
norm.set("gain", "-6dB")
|
||||
#norm.set("gain", "-6dB")
|
||||
norm.set("gain", "3dB")
|
||||
output.plant_filter(norm)
|
||||
|
||||
consumer = 'xml'
|
||||
|
|
@ -201,3 +240,6 @@ consumer = mlt.Consumer(profile, consumer, target)
|
|||
consumer.connect(output)
|
||||
#consumer.set("real_time", -2)
|
||||
consumer.start()
|
||||
|
||||
if encode:
|
||||
subprocess.call(['./encode.py', target])
|
||||
|
|
|
|||
Loading…
Reference in a new issue