从youtube下载vedio
- 首先需要一台国外VPS
- 主机上安装 YouTube-DL – A Command Line Video Download Tool
安装youtube-dl命令
安装完成以后的使用介绍：
下载前可以查看视频种类和视频大小，高清程度等如下命令：
youtube-dl -F https://www.youtube.com/watch?v=r59xYe3Vyks
执行完成以后为：
[youtube] r59xYe3Vyks: Downloading webpage
[youtube] r59xYe3Vyks: Downloading video info webpage
[youtube] r59xYe3Vyks: Extracting video information
[youtube] r59xYe3Vyks: Downloading DASH manifest
[youtube] r59xYe3Vyks: Downloading DASH manifest
[info] Available formats for r59xYe3Vyks:
format code extension resolution note
249 webm audio only DASH audio 51k , opus @ 50k, 4.69MiB
250 webm audio only DASH audio 71k , opus @ 70k, 6.20MiB
171 webm audio only DASH audio 101k , vorbis@128k (44100Hz), 9.22MiB
140 m4a audio only DASH audio 129k , m4a_dash container, mp4a.40.2@128k (44100Hz), 12.09MiB
251 webm audio only DASH audio 154k , opus @160k, 13.26MiB
141 m4a audio only DASH audio 256k , m4a_dash container, mp4a.40.2@256k (44100Hz), 24.02MiB
278 webm 256x144 DASH video 52k , webm container, vp9, 15fps, video only, 2.22MiB
242 webm 426x240 DASH video 58k , vp9, 30fps, video only, 2.57MiB
160 mp4 256x144 DASH video 120k , avc1.4d400c, 15fps, video only, 6.18MiB
243 webm 640x360 DASH video 132k , vp9, 30fps, video only, 4.99MiB
134 mp4 640x360 DASH video 177k , avc1.4d401e, 30fps, video only, 4.12MiB
244 webm 854x480 DASH video 236k , vp9, 30fps, video only, 7.97MiB
133 mp4 426x240 DASH video 284k , avc1.4d4015, 30fps, video only, 13.52MiB
135 mp4 854x480 DASH video 367k , avc1.4d401f, 30fps, video only, 7.60MiB
247 webm 1280x720 DASH video 556k , vp9, 30fps, video only, 16.93MiB
136 mp4 1280x720 DASH video 720k , avc1.4d401f, 30fps, video only, 15.02MiB
248 webm 1920x1080 DASH video 1248k , vp9, 30fps, video only, 37.19MiB
137 mp4 1920x1080 DASH video 1540k , avc1.640028, 30fps, video only, 30.15MiB
17 3gp 176x144 small , mp4v.20.3, mp4a.40.2@ 24k
36 3gp 320x240 small , mp4v.20.3, mp4a.40.2@ 32k
5 flv 400x240 small , h263, mp3 @ 64k
43 webm 640x360 medium , vp8.0, vorbis@128k
18 mp4 640x360 medium , avc1.42001E, mp4a.40.2@ 96k
22 mp4 1280x720 hd720 , avc1.64001F, mp4a.40.2@192k (best)
如上可以看到对应的视频大小，高清程度，类型，如果像选择某一种类型的视频，尝试如下命令：
例如想下载
137 mp4 1920x1080 DASH video 1540k , avc1.640028, 30fps, video only, 30.15MiB
执行命令如下：
youtube-dl -f 137 https://www.youtube.com/watch?v=r59xYe3Vyks
下载完成，输出为：
[root bin]# youtube-dl -f 137 https://www.youtube.com/watch?v=r59xYe3Vyks
[youtube] r59xYe3Vyks: Downloading webpage
[youtube] r59xYe3Vyks: Downloading video info webpage
[youtube] r59xYe3Vyks: Extracting video information
[youtube] r59xYe3Vyks: Downloading DASH manifest
[youtube] r59xYe3Vyks: Downloading DASH manifest
[download] Java Tutorial For Beginners 1 - Introduction and Installing the java (JDK) Step by Step Tutorial-r59xYe3Vyks.mp4 has already been downloaded
[download] 100% of 51.74MiB
[root bin]# ls -l
total 227464
-rw-r--r-- 1 root root 161132802 Jul 27 2014 Java Programming-WPvGqX-TXP0.mp4
-rw-r--r-- 1 root root 16431677 Apr 21 2015 Java Tutorial For Beginners 1 - Introduction and Installing the java (JDK) Step by Step Tutorial-r59xYe3Vyks.flv
-rw-r--r-- 1 root root 54248266 Apr 21 2015 Java Tutorial For Beginners 1 - Introduction and Installing the java (JDK) Step by Step Tutorial-r59xYe3Vyks.mp4
-rwxr-xr-x 1 root root 1095743 Jan 27 03:06 youtube-dl