add a YTDL_OPTIONS example

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Alex 2021-11-21 16:50:18 +02:00 committed by GitHub
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@ -36,7 +36,12 @@ Certain values can be set via environment variables, using the `-e` parameter on
* __AUDIO_DOWNLOAD_DIR__: path to where audio-only downloads will be saved, if you wish to separate them from the video downloads. Defaults to the value of `DOWNLOAD_DIR`.
* __URL_PREFIX__: base path for the web server (for use when hosting behind a reverse proxy). Defaults to `/`.
* __OUTPUT_TEMPLATE__: the template for the filenames of the downloaded videos, formatted according to [this spec](https://github.com/yt-dlp/yt-dlp/blob/master/README.md#output-template). Defaults to `%(title)s.%(ext)s`.
* __YTDL_OPTIONS__: Additional options to pass to youtube-dl, in JSON format. [See available options here](https://github.com/yt-dlp/yt-dlp/blob/master/yt_dlp/YoutubeDL.py#L176). They roughly correspond to command-line options, though some do not have exact equivalents here, for example `--recode-video` has to be specified via `postprocessors`. Also note that dashes are replaced with underscores. Example value: `{"sleep_interval":10}`.
* __YTDL_OPTIONS__: Additional options to pass to youtube-dl, in JSON format. [See available options here](https://github.com/yt-dlp/yt-dlp/blob/master/yt_dlp/YoutubeDL.py#L176). They roughly correspond to command-line options, though some do not have exact equivalents here, for example `--recode-video` has to be specified via `postprocessors`. Also note that dashes are replaced with underscores.
The following example value for `YTDL_OPTIONS` embeds English subtitles and chapter markers (for videos that have them), and also changes the permissions on the downloaded video:
```
{"writesubtitles": true, "subtitleslangs": ["en", "-live_chat"], "postprocessors": [{"key": "Exec", "exec_cmd": "chmod 0664", "when": "after_move"}, {"key": "FFmpegEmbedSubtitle", "already_have_subtitle": false}, {"key": "FFmpegMetadata", "add_chapters": true}]}
```
## Using browser cookies
In case you need to use your browser's cookies with MeTube, for example to download restricted or private videos: