pad audio tracks to scene duration

This commit is contained in:
j 2024-12-03 19:35:37 +00:00
parent c8991438bb
commit 2a2516bff9

View file

@ -66,6 +66,7 @@ def write_if_new(path, data, mode=''):
def compose(clips, target=150, base=1024, voice_over=None):
fps = 24
length = 0
scene = {
'front': {
@ -100,6 +101,7 @@ def compose(clips, target=150, base=1024, voice_over=None):
used = []
voice_overs = []
sub_offset = 0
if voice_over:
vo_keys = list(sorted(voice_over))
if chance(seq, 0.5):
@ -118,7 +120,7 @@ def compose(clips, target=150, base=1024, voice_over=None):
if vo_min > target:
target = vo_min
elif vo_min < target:
offset = (target - vo_min) / 2
offset = int(((target - vo_min) / 2) * fps) / fps
scene['audio-center']['A1'].append({
'blank': True,
'duration': offset
@ -298,6 +300,16 @@ def compose(clips, target=150, base=1024, voice_over=None):
})
used.append(clip)
print("scene duration %0.3f (target: %0.3f, vo_min: %0.3f)" % (length, target, vo_min))
if sub_offset < length:
delta = length - sub_offset
scene['audio-center']['A1'].append({
'blank': True,
'duration': delta
})
scene['audio-rear']['A1'].append({
'blank': True,
'duration': delta
})
return scene, used
def get_scene_duration(scene):
@ -321,7 +333,7 @@ def get_offset_duration(prefix):
def render(root, scene, prefix=''):
fps = 24
files = []
scene_duration = int(get_scene_duration(scene) * 24)
scene_duration = int(get_scene_duration(scene) * fps)
for timeline, data in scene.items():
if timeline == "subtitles":
path = os.path.join(root, prefix + "front.srt")
@ -338,14 +350,14 @@ def render(root, scene, prefix=''):
#print(track)
for clip in clips:
project.append_clip(track, clip)
track_durations[track] = int(sum([c['duration'] for c in clips]) * 24)
track_durations[track] = int(sum([c['duration'] for c in clips]) * fps)
if timeline.startswith('audio-'):
track_duration = project.get_duration()
delta = scene_duration - track_duration
if delta > 0:
for track in track_durations:
if track_durations[track] == track_duration:
project.append_clip(track, {'blank': True, "duration": delta/24})
project.append_clip(track, {'blank': True, "duration": delta/fps})
break
path = os.path.join(root, prefix + "%s.kdenlive" % timeline)
project_xml = project.to_xml()