blog/plugins/video_tag.rb
2011-07-23 17:41:08 -04:00

48 lines
1.4 KiB
Ruby

# Title: Simple Video tag for Jekyll
# Author: Brandon Mathis http://brandonmathis.com
# Description: Easily output MPEG4 HTML5 video with a flash backup.
#
# Syntax {% video url/to/video [width height] [url/to/poster] %}
#
# Example:
# {% video http://site.com/video.mp4 720 480 http://site.com/poster-frame.jpg %}
#
# Output:
# <video width='720' height='480' preload='none' controls poster='http://site.com/poster-frame.jpg'>
# <source src='http://site.com/video.mp4' type='video/mp4; codecs=\"avc1.42E01E, mp4a.40.2\"'/>
# </video>
#
module Jekyll
class VideoTag < Liquid::Tag
@video = nil
@poster = ''
@height = ''
@width = ''
def initialize(tag_name, markup, tokens)
if markup =~ /((https?:\/\/|\/)(\S+))(\s+(\d+)\s(\d+))?(\s+(https?:\/\/|\/)(\S+))?/i
@video = $1
@width = $5
@height = $6
@poster = $7
end
super
end
def render(context)
output = super
if @video
video = "<video width='#{@width}' height='#{@height}' preload='none' controls poster='#{@poster}'>"
video += "<source src='#{@video}' type='video/mp4; codecs=\"avc1.42E01E, mp4a.40.2\"'/></video>"
else
"Error processing input, expected syntax: {% video url/to/video [width height] [url/to/poster] %}"
end
end
end
end
Liquid::Template.register_tag('video', Jekyll::VideoTag)