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借助you-get在Emacs中看youku视频

 3 years ago
source link: https://www.lujun9972.win/blog/2018/04/22/%E5%80%9F%E5%8A%A9you-get%E5%9C%A8emacs%E4%B8%AD%E7%9C%8Byouku%E8%A7%86%E9%A2%91/index.html
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借助you-get在Emacs中看youku视频

Emacs中最常用的的浏览网页的方法就是w3m和eww，然而不管哪种方法都不支持flash及html5，这意味着无法直接在Emacs中看视频网站中的视频了。

不过不要紧，我们有援军啊。

you-get是一款网页视频的下载利器，它支持大部分的视频网站。 

you-get --help

usage: you-get [OPTION]... URL...

A tiny downloader that scrapes the web

optional arguments:
  -V, --version         Print version and exit
  -h, --help            Print this help message and exit

Dry-run options:
  (no actual downloading)

  -i, --info            Print extracted information
  -u, --url             Print extracted information with URLs
  --json                Print extracted URLs in JSON format

Download options:
  -n, --no-merge        Do not merge video parts
  --no-caption          Do not download captions (subtitles, lyrics, danmaku,
                        ...)
  -f, --force           Force overwriting existing files
  -F STREAM_ID, --format STREAM_ID
                        Set video format to STREAM_ID
  -O FILE, --output-filename FILE
                        Set output filename
  -o DIR, --output-dir DIR
                        Set output directory
  -p PLAYER, --player PLAYER
                        Stream extracted URL to a PLAYER
  -c COOKIES_FILE, --cookies COOKIES_FILE
                        Load cookies.txt or cookies.sqlite
  -t SECONDS, --timeout SECONDS
                        Set socket timeout
  -d, --debug           Show traceback and other debug info
  -I FILE, --input-file FILE
                        Read non-playlist URLs from FILE
  -P PASSWORD, --password PASSWORD
                        Set video visit password to PASSWORD
  -l, --playlist        Prefer to download a playlist
  -a, --auto-rename     Auto rename same name different files

Proxy options:
  -x HOST:PORT, --http-proxy HOST:PORT
                        Use an HTTP proxy for downloading
  -y HOST:PORT, --extractor-proxy HOST:PORT
                        Use an HTTP proxy for extracting only
  --no-proxy            Never use a proxy
  -s HOST:PORT, --socks-proxy HOST:PORT
                        Use an SOCKS5 proxy for downloading

通过浏览它的参数可以看到它有一个 -p PLAYER 参数，能够调用第三方的播放器来直接播放网页上的视频。

这就很好办了，我们可以把下面代码加入到初始化文件中: 

(defvar play-this-video-player "mpv --autofit=100%"
  "mplayer used to play the video")

(defun play-this-video ()
  (interactive)
  (let ((url (or w3m-current-url
                 (eww-current-url)
                 (error "only w3m and eww supported")))
        (player play-this-video-player))
    (shell-command (format "you-get %s -p '%s' &" url player))))

将其中 play-this-video-player 变量设定自己喜欢的第三方播放器及其播放参数。该变量的值会被传入命令行中作为 you-get 的 -p 的参数值。

然后在w3m或eww中浏览视频网页后，只需要执行 M-x play-this-video 就能播放该网页上的视频了

you-get-youku.png


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