650 lines
26 KiB
Python
650 lines
26 KiB
Python
#!/usr/bin/python3
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from collections import defaultdict
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import subprocess
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import lxml.etree
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import uuid
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import os
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_CACHE = {}
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_IDS = defaultdict(int)
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def get_propery(element, name):
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return element.xpath('property[@name="%s"]' % name)[0].text
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def melt_xml(file):
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out = None
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real_path = os.path.realpath(file)
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if file in _CACHE and isinstance(_CACHE[file], list):
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ts, out = _CACHE[file]
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if os.stat(real_path).st_mtime != ts:
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out = None
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if not out:
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out = subprocess.check_output(['melt', file, '-consumer', 'xml']).decode()
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_CACHE[file] = [os.stat(real_path).st_mtime, out]
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return out
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class KDEnliveProject:
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def to_xml(self):
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track = self._main_tractor.xpath(".//track")[0]
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duration = self.get_duration()
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values = {
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"in": "0",
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"out": str(duration - 1)
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}
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for key, value in values.items():
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track.attrib[key] = value
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self._sequence.attrib[key] = value
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self._main_tractor.attrib[key] = value
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self._audio_tractor.attrib[key] = value
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self._tree.remove(self._sequence)
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self._tree.append(self._sequence)
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self._tree.remove(self._main_bin)
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self._tree.append(self._main_bin)
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self._tree.remove(self._main_tractor)
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self._tree.append(self._main_tractor)
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xml = lxml.etree.tostring(self._tree, pretty_print=True).decode()
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xml = xml.replace('><', '>\n<')
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return "<?xml version='1.0' encoding='utf-8'?>\n" + xml
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def __init__(
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self, root,
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width="1920", height="1080",
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display_aspect_num="16", display_aspect_den="9",
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frame_rate_num="24", frame_rate_den="1"
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):
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self._duration = defaultdict(int)
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self._counters = defaultdict(int)
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self._uuid = '{%s}' % str(uuid.uuid1())
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self._width = int(width)
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self._height = int(height)
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self._fps = int(frame_rate_num) / int(frame_rate_den)
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self._tree = self.get_element("mlt", attrib={
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"LC_NUMERIC": "C",
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"producer": "main_bin",
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"version": "7.18.0",
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"root": root
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}, children=[
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self.get_element("profile", attrib={
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"frame_rate_num": str(frame_rate_num),
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"frame_rate_den": str(frame_rate_den),
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"display_aspect_den": str(display_aspect_den),
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"display_aspect_num": str(display_aspect_num),
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"colorspace": "601",
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"progressive": "1",
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"description": "%sx%s %0.2ffps" % (self._width, self._height, self._fps),
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"width": str(width),
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"height": str(height),
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"sample_aspect_num": "1",
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"sample_aspect_den": "1"
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}),
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p0 := self.get_element("producer", attrib={
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"in": "0",
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"out": "2147483647"
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}, children=[
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["length", "2147483647"],
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["eof", "continue"],
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["resource", "black"],
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["aspect_ratio", "1"],
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["mlt_service", "color"],
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["kdenlive:playlistid", "black_track"],
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["mlt_image_format", "rgba"],
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["set.test_audio", "0"],
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]),
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a4 := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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a4e := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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t_a4 := self.get_element("tractor", children=[
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["kdenlive:audio_track", "1"],
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["kdenlive:trackheight", "69"],
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["kdenlive:timeline_active", "1"],
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["kdenlive:collapsed", "0"],
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["kdenlive:thumbs_format", None],
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["kdenlive:audio_rec", None],
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self.get_element("track", attrib={"hide": "video", "producer": a4.attrib["id"]}),
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self.get_element("track", attrib={"hide": "video", "producer": a4e.attrib["id"]}),
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self.get_element("filter", [
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["window", "75"],
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["max_gain", "20dB"],
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["mlt_service", "volume"],
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["internal_added", "237"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["channel", "-1"],
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["mlt_service", "panner"],
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["internal_added", "237"],
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["start", "0.5"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["iec_scale", "0"],
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["mlt_service", "audiolevel"],
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["dbpeak", "1"],
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["disable", "1"],
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]),
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]),
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a3 := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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a3e := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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t_a3 := self.get_element("tractor", children=[
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["kdenlive:audio_track", "1"],
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["kdenlive:trackheight", "69"],
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["kdenlive:timeline_active", "1"],
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["kdenlive:collapsed", "0"],
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["kdenlive:thumbs_format", None],
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["kdenlive:audio_rec", None],
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self.get_element("track", attrib={"hide": "video", "producer": a3.attrib["id"]}),
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self.get_element("track", attrib={"hide": "video", "producer": a3e.attrib["id"]}),
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self.get_element("filter", [
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["window", "75"],
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["max_gain", "20dB"],
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["mlt_service", "volume"],
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["internal_added", "237"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["channel", "-1"],
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["mlt_service", "panner"],
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["internal_added", "237"],
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["start", "0.5"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["iec_scale", "0"],
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["mlt_service", "audiolevel"],
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["dbpeak", "1"],
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["disable", "1"],
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]),
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]),
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a2 := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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a2e := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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t_a2 := self.get_element("tractor", children=[
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["kdenlive:audio_track", "1"],
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["kdenlive:trackheight", "69"],
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["kdenlive:timeline_active", "1"],
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["kdenlive:collapsed", "0"],
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["kdenlive:thumbs_format", None],
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["kdenlive:audio_rec", None],
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self.get_element("track", attrib={"hide": "video", "producer": a2.attrib["id"]}),
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self.get_element("track", attrib={"hide": "video", "producer": a2e.attrib["id"]}),
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self.get_element("filter", [
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["window", "75"],
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["max_gain", "20dB"],
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["mlt_service", "volume"],
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["internal_added", "237"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["channel", "-1"],
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["mlt_service", "panner"],
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["internal_added", "237"],
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["start", "0.5"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["iec_scale", "0"],
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["mlt_service", "audiolevel"],
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["dbpeak", "1"],
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["disable", "1"],
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]),
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]),
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a1 := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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a1e := self.get_element("playlist", children=[
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["kdenlive:audio_track", "1"],
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]),
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t_a1 := self.get_element("tractor", children=[
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["kdenlive:audio_track", "1"],
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["kdenlive:trackheight", "69"],
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["kdenlive:timeline_active", "1"],
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["kdenlive:collapsed", "0"],
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["kdenlive:thumbs_format", None],
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["kdenlive:audio_rec", None],
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self.get_element("track", attrib={"hide": "video", "producer": a1.attrib["id"]}),
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self.get_element("track", attrib={"hide": "video", "producer": a1e.attrib["id"]}),
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self.get_element("filter", [
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["window", "75"],
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["max_gain", "20dB"],
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["mlt_service", "volume"],
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["internal_added", "237"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["channel", "-1"],
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["mlt_service", "panner"],
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["internal_added", "237"],
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["start", "0.5"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["iec_scale", "0"],
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["mlt_service", "audiolevel"],
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["dbpeak", "1"],
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["disable", "1"],
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]),
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]),
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v1 := self.get_element("playlist", children=[
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]),
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v1e := self.get_element("playlist", children=[
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]),
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t2 := self.get_element("tractor", attrib={
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"in": "00:00:00.000",
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"out": "00:00:25.333"
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}, children=[
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["kdenlive:trackheight", "69"],
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["kdenlive:timeline_active", "1"],
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["kdenlive:collapsed", "0"],
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["kdenlive:thumbs_format", None],
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["kdenlive:audio_rec", None],
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["kdenlive:locked_track", None],
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self.get_element("track", attrib={"hide": "audio", "producer": v1.attrib["id"]}),
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self.get_element("track", attrib={"hide": "audio", "producer": v1e.attrib["id"]}),
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]),
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v2 := self.get_element("playlist", children=[
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]),
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v2e := self.get_element("playlist", children=[
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]),
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t3 := self.get_element("tractor", attrib={
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"in": "00:00:00.000"
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}, children=[
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["kdenlive:trackheight", "69"],
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["kdenlive:timeline_active", "1"],
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["kdenlive:collapsed", "0"],
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["kdenlive:thumbs_format", None],
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["kdenlive:audio_rec", None],
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["kdenlive:locked_track", None],
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self.get_element("track", attrib={"hide": "audio", "producer": v2.attrib["id"]}),
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self.get_element("track", attrib={"hide": "audio", "producer": v2e.attrib["id"]}),
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]),
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sequence := self.get_element("tractor", [
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["kdenlive:uuid", self._uuid],
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["kdenlive:clipname", "Sequence 1"],
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["kdenlive:sequenceproperties.hasAudio", "1"],
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["kdenlive:sequenceproperties.hasVideo", "1"],
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["kdenlive:sequenceproperties.activeTrack", "2"],
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["kdenlive:sequenceproperties.tracksCount", "4"],
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["kdenlive:sequenceproperties.documentuuid", self._uuid],
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["kdenlive:duration", "00:00:25:09"],
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["kdenlive:maxduration", "872"],
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["kdenlive:producer_type", "17"],
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["kdenlive:id", self.get_counter("kdenlive:id")],
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["kdenlive:clip_type", "0"],
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["kdenlive:folderid", "2"],
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["kdenlive:sequenceproperties.audioChannels", "2"],
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["kdenlive:sequenceproperties.audioTarget", "1"],
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["kdenlive:sequenceproperties.tracks", "4"],
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["kdenlive:sequenceproperties.verticalzoom", "1"],
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["kdenlive:sequenceproperties.videoTarget", "2"],
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["kdenlive:sequenceproperties.zonein", "0"],
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["kdenlive:sequenceproperties.zoneout", "75"],
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["kdenlive:sequenceproperties.zoom", "8"],
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["kdenlive:sequenceproperties.groups", "[]"],
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["kdenlive:sequenceproperties.guides", "[]"],
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["kdenlive:sequenceproperties.position", "0"],
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["kdenlive:sequenceproperties.scrollPos", "0"],
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["kdenlive:sequenceproperties.disablepreview", "0"],
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self.get_element("track", attrib={"producer": p0.attrib["id"]}),
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self.get_element("track", attrib={"producer": t_a4.attrib["id"]}),
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self.get_element("track", attrib={"producer": t_a3.attrib["id"]}),
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self.get_element("track", attrib={"producer": t_a2.attrib["id"]}),
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self.get_element("track", attrib={"producer": t_a1.attrib["id"]}),
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self.get_element("track", attrib={"producer": t2.attrib["id"]}),
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self.get_element("track", attrib={"producer": t3.attrib["id"]}),
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self.get_element("transition", [
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["a_track", "0"],
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["b_track", "1"],
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["mlt_service", "mix"],
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["kdenlive_id", "mix"],
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["internal_added", "237"],
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["always_active", "1"],
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["accepts_blanks", "1"],
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["sum", "1"],
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]),
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self.get_element("transition", [
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["a_track", "0"],
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["b_track", "2"],
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["mlt_service", "mix"],
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["kdenlive_id", "mix"],
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["internal_added", "237"],
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["always_active", "1"],
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["accepts_blanks", "1"],
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["sum", "1"],
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]),
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self.get_element("transition", [
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["a_track", "0"],
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["b_track", "3"],
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["mlt_service", "mix"],
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["kdenlive_id", "mix"],
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["internal_added", "237"],
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["always_active", "1"],
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["accepts_blanks", "1"],
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["sum", "1"],
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]),
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self.get_element("transition", [
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["a_track", "0"],
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["b_track", "4"],
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["mlt_service", "mix"],
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["kdenlive_id", "mix"],
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["internal_added", "237"],
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["always_active", "1"],
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["accepts_blanks", "1"],
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["sum", "1"],
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]),
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self.get_element("transition", [
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["a_track", "0"],
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["b_track", "5"],
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["compositing", "0"],
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["distort", "0"],
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["rotate_center", "0"],
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["mlt_service", "qtblend"],
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["kdenlive_id", "qtblend"],
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["internal_added", "237"],
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["always_active", "1"],
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["accepts_blanks", "1"],
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["sum", "1"],
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]),
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self.get_element("transition", [
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["a_track", "0"],
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["b_track", "6"],
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["compositing", "0"],
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["distort", "0"],
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["rotate_center", "0"],
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["mlt_service", "qtblend"],
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["kdenlive_id", "qtblend"],
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["internal_added", "237"],
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["always_active", "1"],
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["accepts_blanks", "1"],
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["sum", "1"],
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]),
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self.get_element("filter", [
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["window", "75"],
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["max_gain", "20dB"],
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["mlt_service", "volume"],
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["internal_added", "237"],
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["disable", "1"],
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]),
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self.get_element("filter", [
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["channel", "-1"],
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["mlt_service", "panner"],
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["internal_added", "237"],
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["start", "0.5"],
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["disable", "1"],
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]),
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], {
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"id": self._uuid
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}),
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main_bin := self.get_element("playlist", [
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["kdenlive:folder.-1.2", "Sequences"],
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["kdenlive:sequenceFolder", "2"],
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["kdenlive:docproperties.kdenliveversion", "23.08.0"],
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self.get_element("property", attrib={"name": "kdenlive:docproperties.previewextension"}),
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self.get_element("property", attrib={"name": "kdenlive:docproperties.previewparameters"}),
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["kdenlive:docproperties.seekOffset", "30000"],
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["kdenlive:docproperties.uuid", self._uuid],
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["kdenlive:docproperties.version", "1.1"],
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["kdenlive:expandedFolders", None],
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["kdenlive:binZoom", "4"],
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self.get_element("property", attrib={"name": "kdenlive:documentnotes"}),
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["kdenlive:docproperties.opensequences", self._uuid],
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["kdenlive:docproperties.activetimeline", self._uuid],
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["xml_retain", "1"],
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self.get_element("entry", attrib={"producer": self._uuid, "in": "0", "out": "0"}),
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], {
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"id": "main_bin"
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}),
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t4 := self.get_element("tractor", [
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["kdenlive:projectTractor", "1"],
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self.get_element("track", attrib={"producer": self._uuid}),
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])
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])
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self._sequence = sequence
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self._main_bin = main_bin
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self._main_tractor = t4
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self._audio_tractor = t_a1
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self._v1 = v1
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self._v2 = v2
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self._a1 = a1
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self._a2 = a2
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self._a3 = a3
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self._a4 = a4
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def get_counter(self, prefix):
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self._counters[prefix] += 1
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return str(self._counters[prefix] - 1)
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def get_id(self, prefix):
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return prefix + self.get_counter(prefix)
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def get_chain(self, file, kdenlive_id=None):
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out = melt_xml(file)
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chain = lxml.etree.fromstring(out).xpath('producer')[0]
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chain.tag = 'chain'
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chain.attrib['id'] = self.get_id('chain')
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# TBD
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if kdenlive_id is None:
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kdenlive_id = self.get_counter("kdenlive:id")
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for name, value in [
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("kdenlive:file_size", os.path.getsize(file)),
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("kdenlive:clipname", None),
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("kdenlive:clip_type", "0"),
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("kdenlive:folderid", "-1"),
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("kdenlive:id", kdenlive_id),
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("set.test_audio", "0"),
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("set.test_image", "0"),
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("xml", "was here"),
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]:
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chain.append(
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self.get_element(
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"property",
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attrib={"name": name},
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text=str(value) if value is not None else None
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)
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)
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|
mlt_service = chain.xpath('property[@name="mlt_service"]')[0]
|
|
mlt_service.text = "avformat-novalidate"
|
|
return chain
|
|
|
|
def get_duration(self):
|
|
if not self._duration:
|
|
return 0
|
|
return max(self._duration.values())
|
|
|
|
def get_element(self, tag, children=[], attrib={}, text=None):
|
|
element = lxml.etree.Element(tag)
|
|
if tag not in (
|
|
"blank",
|
|
"entry",
|
|
"mlt",
|
|
"profile",
|
|
"property",
|
|
"track",
|
|
) and "id" not in attrib:
|
|
element.attrib['id'] = self.get_id(tag)
|
|
if attrib:
|
|
for key, value in attrib.items():
|
|
element.attrib[key] = value
|
|
for child in children:
|
|
if isinstance(child, list) and len(child) == 2:
|
|
v = child[1]
|
|
if v is not None:
|
|
v = str(v)
|
|
child = self.get_element("property", attrib={"name": child[0]}, text=v)
|
|
if isinstance(child, dict):
|
|
child = self.get_element(**child)
|
|
elif isinstance(child, list):
|
|
child = self.get_element(*child)
|
|
element.append(child)
|
|
if text is not None:
|
|
element.text = text
|
|
return element
|
|
|
|
def get_filter(self, name, value):
|
|
if name == "transparency":
|
|
return [self.get_element("filter", [
|
|
["version", "0.9"],
|
|
["mlt_service", "frei0r.transparency"],
|
|
["kdenlive_id", "frei0r.transparency"],
|
|
["0", "00:00:00.000=%s" % value],
|
|
["kdenlive:collapsed", "0"],
|
|
])]
|
|
elif name == "blur":
|
|
return [self.get_element("filter", [
|
|
["mlt_service", "avfilter.avgblur"],
|
|
["kdenlive_id", "avfilter.avgblur"],
|
|
["av.sizeX", value],
|
|
["av.sizeY", value],
|
|
["planes", "7"],
|
|
["kdenlive:collapsed", "0"],
|
|
])]
|
|
elif name == "mask":
|
|
mask = [
|
|
self.get_element("filter", [
|
|
["mlt_service", "frei0r.saturat0r"],
|
|
["kdenlive_id", "frei0r.saturat0r"],
|
|
["Saturation", "00:00:00.000=0.001"],
|
|
]),
|
|
self.get_element("filter", [
|
|
["mlt_service", "frei0r.select0r"],
|
|
["kdenlive_id", "frei0r.select0r"],
|
|
["Color to select", "00:00:00.000=0x000000ff"],
|
|
["Invert selection", "1"],
|
|
["Selection subspace", "0"],
|
|
["Subspace shape", "0.5"],
|
|
["Edge mode", "0.9"],
|
|
["Delta R / A / Hue", "00:00:00.000=0.381"],
|
|
["Delta G / B / Chroma", "00:00:00.000=0.772"],
|
|
["Delta B / I / I", "00:00:00.000=0.522"],
|
|
["Slope", "00:00:00.000=0.515"],
|
|
["Operation", "0.5"],
|
|
])
|
|
]
|
|
return mask
|
|
elif name == "volume":
|
|
return [self.get_element("filter", [
|
|
["window", "75"],
|
|
["max_gain", "20db"],
|
|
["mlt_service", "volume"],
|
|
["kdenlive_id", "volume"],
|
|
["level", "00:00:00.000=%s" % value],
|
|
["kdenlive:collapsed", "0"],
|
|
])]
|
|
else:
|
|
return [
|
|
self.get_element("filter", [
|
|
["mlt_service", name],
|
|
["kdenlive_id", name],
|
|
] + value)
|
|
]
|
|
|
|
|
|
def properties(self, *props):
|
|
return [
|
|
self.get_element("property", attrib={"name": name}, text=str(value) if value is not None else value)
|
|
for name, value in props
|
|
]
|
|
|
|
|
|
def append_clip(self, track_id, clip):
|
|
if track_id == "V1":
|
|
track = self._v1
|
|
elif track_id == "V2":
|
|
track = self._v2
|
|
elif track_id == "A1":
|
|
track = self._a1
|
|
elif track_id == "A2":
|
|
track = self._a2
|
|
elif track_id == "A3":
|
|
track = self._a3
|
|
elif track_id == "A4":
|
|
track = self._a4
|
|
else:
|
|
print('!!', track_id)
|
|
|
|
frames = int(self._fps * clip['duration'])
|
|
self._duration[track_id] += frames
|
|
|
|
if clip.get("blank"):
|
|
track.append(
|
|
self.get_element("blank", attrib={
|
|
"length": str(frames),
|
|
})
|
|
)
|
|
return
|
|
|
|
path = clip['src']
|
|
filters = clip.get("filter", {})
|
|
#print(path, filters)
|
|
chain = self.get_chain(path)
|
|
id = get_propery(chain, "kdenlive:id")
|
|
|
|
if track_id[0] == 'A':
|
|
has_audio = False
|
|
for prop in chain.xpath('property'):
|
|
if prop.attrib['name'].endswith('stream.type') and prop.text == "audio":
|
|
has_audio = True
|
|
idx = self._tree.index(track) - 1
|
|
self._tree.insert(idx, chain)
|
|
filters_ = []
|
|
if track_id == 'V':
|
|
filters_.append({
|
|
self.get_element("filter", [
|
|
["mlt_service", "qtblend"],
|
|
["kdenlive_id", "qtblend"],
|
|
["rotate_center", "1"],
|
|
["rect", "00:00:00.000=0 0 %s %s 1.000000" % (self._width, self.height)],
|
|
["rotation", "00:00:00.000=0"],
|
|
["compositing", "0"],
|
|
["distort", "0"],
|
|
["kdenlive:collapsed", "0"],
|
|
["disable", "0"],
|
|
])
|
|
})
|
|
|
|
for ft in filters.items():
|
|
filters_ += self.get_filter(*ft)
|
|
if track_id[0] == 'A' and not has_audio:
|
|
track.append(
|
|
self.get_element("blank", attrib={
|
|
"length": str(frames),
|
|
})
|
|
)
|
|
else:
|
|
track.append(
|
|
self.get_element("entry", attrib={
|
|
"producer": chain.attrib["id"],
|
|
"in": chain.attrib["in"],
|
|
"out": str(frames - 1)
|
|
}, children=[
|
|
["kdenlive:id", id],
|
|
] + filters_),
|
|
)
|
|
chain = self.get_chain(path, id)
|
|
self._tree.append(chain)
|
|
self._main_bin.append(
|
|
self.get_element("entry", attrib={
|
|
"producer": chain.attrib["id"],
|
|
"in": chain.attrib["in"],
|
|
"out": chain.attrib["out"],
|
|
}),
|
|
)
|
|
|
|
|