app/assets/javascripts/pageflow/asset_urls.js.erb
var pageflow = window.pageflow || {};
pageflow.assetUrls = {
unmuteSound: '<%= asset_path("pageflow/unmute.mp3") %>',
largeBandwidthProbe: '<%= Rails.env.test? ? asset_path("bandwidth_probe_large.png") : "//#{File.join(Pageflow.config.zencoder_options[:s3_host_alias], "bandwidth_probe_large.png")}" %>',
smallBandwidthProbe: '<%= Rails.env.test? ? asset_path("bandwidth_probe_small.png") : "//#{File.join(Pageflow.config.zencoder_options[:s3_host_alias], "bandwidth_probe_small.png")}" %>',
emptyMp4: '<%= asset_path "pageflow/empty.mp4" %>',
emptyWebm: '<%= asset_path "pageflow/empty.webm" %>'
};