mirror of https://github.com/alexta69/metube
80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
import copy
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def get_format(format: str, quality: str) -> str:
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"""
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Returns format for download
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Args:
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format (str): format selected
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quality (str): quality selected
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Raises:
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Exception: unknown quality, unknown format
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Returns:
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dl_format: Formatted download string
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"""
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format = format or "any"
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if format.startswith("custom:"):
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return format[7:]
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if format == "thumbnail":
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# Quality is irrelevant in this case since we skip the download
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return "bestaudio/best"
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if format == "mp3":
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# Audio quality needs to be set post-download, set in opts
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return "bestaudio/best"
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if format in ("mp4", "any"):
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if quality == "audio":
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return "bestaudio/best"
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# video {res} {vfmt} + audio {afmt} {res} {vfmt}
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vfmt, afmt = ("[ext=mp4]", "[ext=m4a]") if format == "mp4" else ("", "")
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vres = f"[height<={quality}]" if quality != "best" else ""
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vcombo = vres + vfmt
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return f"bestvideo{vcombo}+bestaudio{afmt}/best{vcombo}"
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raise Exception(f"Unkown format {format}")
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def get_opts(format: str, quality: str, ytdl_opts: dict) -> dict:
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"""
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Returns extra download options
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Mostly postprocessing options
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Args:
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format (str): format selected
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quality (str): quality of format selected (needed for some formats)
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ytdl_opts (dict): current options selected
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Returns:
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ytdl_opts: Extra options
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"""
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opts = copy.deepcopy(ytdl_opts)
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if "postprocessors" not in opts:
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opts["postprocessors"] = []
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if format == "mp3":
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opts["postprocessors"].append({
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"key": "FFmpegExtractAudio",
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"preferredcodec": "mp3",
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"preferredquality": 0 if quality == "best" else quality,
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})
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opts["writethumbnail"] = True
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opts["postprocessors"].append({"key": "FFmpegThumbnailsConvertor", "format": "jpg", "when": "before_dl"})
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opts["postprocessors"].append({"key": "FFmpegMetadata"})
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opts["postprocessors"].append({"key": "EmbedThumbnail"})
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if format == "thumbnail":
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opts["skip_download"] = True
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opts["writethumbnail"] = True
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opts["postprocessors"].append({"key": "FFmpegThumbnailsConvertor", "format": "jpg", "when": "before_dl"})
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return opts
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