92 lines
2.2 KiB
Python
92 lines
2.2 KiB
Python
#!/usr/bin/python3
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import os
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from render_kdenlive import KDEnliveProject, _CACHE
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import subprocess
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def generate_sax_mix(root):
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os.chdir(root)
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root = os.path.abspath(".")
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project = KDEnliveProject(root)
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long_wav = "Soon_Kim_Long_Reverb_Only2.wav"
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nois_wav = "Soon_Kim_Noise.wav"
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reverb_wav = "Soon_Kim_Short_Reverb_Mix2.wav"
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'''
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i = item.models.Item.objects.get(data__title='Soon_Kim_Long_Reverb_Only2')
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i.files.all()[0].data.path
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'/srv/pandora/data/media/6b/44/16/3f2905e886/data.wav'
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i = item.models.Item.objects.get(data__title='Soon_Kim_Short_Reverb_Mix2')
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i.files.all()[0].data.path
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'/srv/pandora/data/media/ee/e0/04/d4ab42c3de/data.wav'
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i = item.models.Item.objects.get(data__title='Soon_Kim_Noise')
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i.files.all()[0].data.path
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'/srv/pandora/data/media/84/88/87/d2fb2e2dc2/data.wav'
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'''
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long = {
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"src": long_wav,
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"duration": 3600.0,
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"filter": {
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"volume": "-4"
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},
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}
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noise = {
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"src": nois_wav,
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"duration": 3600.0,
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"filter": {
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"volume": "4.25"
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},
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}
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project.append_clip('A1', long)
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project.append_clip('A2', noise)
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path = os.path.join(root, "sax-mix.kdenlive")
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with open(path, 'w') as fd:
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fd.write(project.to_xml())
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cmds = []
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cmds.append([
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"melt", "sax-mix.kdenlive", '-quiet', '-consumer', 'avformat:sax-mix.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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"-f", "lavfi", "-i", "anullsrc=r=48000:cl=mono", "-t", "3600", "silence.wav"
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])
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for src, out1, out2 in (
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(reverb_wav, "fl.wav", "fr.wav"),
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("sax-mix.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", 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]", out1,
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"-map", "[right]", out2,
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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", "fl.wav",
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"-i", "fr.wav",
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"-i", "silence.wav",
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"-i", "silence.wav",
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"-i", "bl.wav",
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"-i", "br.wav",
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"-filter_complex", "[0:a][1:a][2:a][3:a][4:a][5:a]amerge=inputs=6[a]",
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"-map", "[a]",
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"-ar", "48000",
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"-c:a", "aac", "Saxophone-5.1.mp4"
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])
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for cmd in cmds:
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print(" ".join([str(x) for x in cmd]))
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subprocess.call(cmd)
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