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unsymlink vc script

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2023-12-27 14:12:05 +01:00
parent d13026d002
commit 8bb898fe5d
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/home/mark/workspace/repos/ffmpegwrap/convert.py
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#! /usr/bin/python
import subprocess, argparse
def main():
parser = argparse.ArgumentParser(description='Call ffmpeg for converting small video files to mp4 or webp')
parser.add_argument('input', help='input file or url')
parser.add_argument('output', help='output filename')
parser.add_argument('-s', '--start', help='start time, if not 00:00')
parser.add_argument('-t', '--to', help='end time, if not end of file')
parser.add_argument('-q', '--quality', help='quality of output, as a percentage')
parser.add_argument('-S', '--silent', action='store_true', help='no audio')
parser.add_argument('-c', '--crop', help='Crop')
args = parser.parse_args()
f_args = []
if "https" in args.input:
# get direct urls from youtube-dl
urls = subprocess.run(["yt-dlp", "--get-url", args.input], capture_output=True, encoding='utf-8')
for url in urls.stdout.split('\n'):
if len(url) > 10:
f_args += ["-i", url]
else:
# local file, or single local http stream
f_args += ["-i", args.input]
vfilter = "scale=-2:'min(720,ih)'"
if args.crop:
vfilter += f",crop={args.crop}"
f_args += ["-vf", vfilter]
if args.start:
f_args += ["-ss", args.start]
if args.to:
f_args += ["-to", args.to]
if args.silent:
f_args += ["-an"]
f_args += ["-sn"]
f_args += ["-dn"]
f_args += ["-map_metadata:c", "-1"]
if ".webp" in args.output:
f_args += ["-vcodec", "libwebp"]
f_args += ["-preset", "default"]
f_args += ["-loop", "0", "-an", "-vsync", "0"]
f_args += ["-qscale", args.quality if args.quality else "70"]
else:
f_args += ["-c:v", "libx264"]
f_args += ["-preset", "veryfast"]
f_args += ["-crf", "26"]
f_args += ["-c:a", "aac"]
f_args += ["-b:a", "128k"]
f_args += ["-pix_fmt", "yuv420p"]
print(f_args)
subprocess.run(["ffmpeg", "-y"] + f_args + [args.output if args.output else "output.mp4"])
if __name__ == "__main__":
main()