("text/plain;charset=utf-8",    BROTLI_MODE_TEXT,    Media::Text,                       &["txt"]),
    ("text/x-python",               BROTLI_MODE_TEXT,    Media::Code(Language::Python),     &["py"]),
    ("video/mp4",                   BROTLI_MODE_GENERIC, Media::Video,                      &["mp4"]),
    ("video/webm",                  BROTLI_MODE_GENERIC, Media::Video,                      &["webm"]),
  ];

  pub(crate) fn content_type_for_path(
    path: &Path,
  ) -> Result<(&'static str, BrotliEncoderMode), Error> {
    let extension = path
      .extension()
      .ok_or_else(|| anyhow!("file must have extension"))?
      .to_str()
      .ok_or_else(|| anyhow!("unrecognized extension"))?;

    let extension = extension.to_lowercase();

    if extension == "mp4" {
      Media::check_mp4_codec(path)?;
    }

    for (content_type, mode, _, extensions) in Self::TABLE {
      if extensions.contains(&extension.as_str()) {
        return Ok((*content_type, *mode));
      }
    }

    let mut extensions = Self::TABLE