var BCLS = (function(window, document) {
var showJSON = document.getElementById("showJSON"),
showMRSS = document.getElementById("showMRSS"),
mrssOutput = false,
feed = document.getElementById("feed"),
account_id_input = document.getElementById("account_id_input"),
videoData,
policy_key_input = document.getElementById("policy_key_input"),
playlist_id_input = document.getElementById("playlist_id_input"),
siteURL = document.getElementById('siteURL'),
feedURL = document.getElementById('feedURL'),
feedDescription = document.getElementById('feedDescription'),
account_id,
policyKey,
playlist_id,
feedname,
// the next three lines are the ones that need to be changed
account_id_default = "1752604059001",
policyKey_default =
"BCpkADawqM3_9ax216PJYuUTLApMLkLJ3apjFlTRKHHS4q0DE33J0XsiDWmc6SfKwrwRAhejCZpTbwljz4-OlUwyqKi64L25Dwy4yhY1eSZ9ZduI-dO0mjSNVcR9C8nz0jtkimOOtzQgswCr",
playlist_id_default = "5492280057001",
// vars for MRSS generation
mrssStr =
'<rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/" xmlns:georss="http://www.georss.org/georss" xmlns:gml="http://www.opengis.net/gml" xmlns:atom="http://www.w3.org/2005/Atom">',
sCdata = '<![CDATA[',
eCdata = ']]>',
sChannel = "<channel>",
eChannel = "</channel>",
sTitle = "<title>",
eTitle = "</title>",
sDescription = "<description>",
eDescription = "</description>",
sItem = "<item>",
eItem = "</item>",
sLink = "<link>",
eLink = "</link>",
sPubDate = "<pubDate>",
ePubDate = "</pubDate>",
sGuid = '<guid isPermaLink="false">',
eGuid = '</guid>',
sMediaContent = "<media:content",
eMediaContent = " />",
sMediaPlayer = "<media:player",
eMediaPlayer = " />",
sMediaDescription = "<description>",
eMediaDescription = "</description>",
sMediaThumbnail = "<media:thumbnail",
eMediaThumbnail = "/>",
sMediaTitle = "<title>",
eMediaTitle = "</title>";
// event listeners for the buttons
showJSON.addEventListener("click", function() {
mrssOutput = false;
// get media data if we haven't already
if (!isDefined(videoData)) {
// check inputs to see if we use those or default values
if (
isDefined(account_id_input.value) &&
isDefined(policy_key_input.value) &&
isDefined(playlist_id_input.value)
) {
account_id = removeSpaces(account_id_input.value);
policyKey = removeSpaces(policy_key_input.value);
playlist_id = removeSpaces(playlist_id_input.value);
} else {
account_id = account_id_default;
policyKey = policyKey_default;
playlist_id = playlist_id_default;
}
getMediaData(function() {
feed.textContent = JSON.stringify(videoData, null, " ");
});
} else {
// JSON data to the textarea
feed.textContent = JSON.stringify(videoData, null, " ");
}
});
showMRSS.addEventListener("click", function() {
mrssOutput = true;
// get media data if we haven't already
if (!isDefined(videoData)) {
// check inputs to see if we use those or default values
if (
isDefined(account_id_input.value) && isDefined(policy_key_input.value) && isDefined(playlist_id_input.value)
) {
account_id = removeSpaces(account_id_input.value);
policyKey = removeSpaces(policy_key_input.value);
playlist_id = removeSpaces(playlist_id_input.value);
} else {
account_id = account_id_default;
policyKey = policyKey_default;
playlist_id = playlist_id_default;
}
getMediaData(function() {
processMRSS();
});
} else {
processMRSS();
}
});
function processMRSS() {
var i, iMax, sources;
iMax = videoData.length;
for (i = 0; i < iMax; i++) {
sources = videoData[i].sources;
if (sources.length > 0) {
// get the best MP4 rendition
var source = processSources(sources);
videoData[i].source = source;
} else {
// video has no sources
videoData[i].source = null;
}
}
// remove videos with no sources
i = videoData.length;
while (i > 0) {
i--;
if (!isDefined(videoData[i].source)) {
videoData.splice(i, 1);
}
}
// generate and display the MRSS data
addItems();
}
/**
* tests for all the ways a variable might be undefined or not have a value
* @param {String|Number} x the variable to test
* @return {Boolean} true if variable is defined and has a value
*/
function isDefined(x) {
if (x === "" || x === null || x === undefined) {
return false;
}
return true;
}
/**
* remove spaces from a string
* @param {String} str string to process
* @return {String} trimmed string
*/
function removeSpaces(str) {
str = str.replace(/\s/g, "");
return str;
}
/**
* sort an array of objects based on an object property
* @param {array} targetArray - array to be sorted
* @param {string|number} objProperty - object property to sort on
* @return sorted array
*/
function sortArray(targetArray, objProperty) {
targetArray.sort(function(b, a) {
var propA = a[objProperty],
propB = b[objProperty];
// sort ascending; reverse propA and propB to sort descending
if (propA < propB) {
return -1;
} else if (propA > propB) {
return 1;
} else {
return 0;
}
});
return targetArray;
}
/**
* [processSources gets the highest bitrate source for the MRSS feed
* @param {Array} sources array of video sources
* @return {Object} the highest bitrate MP4 source
*/
function processSources(sources) {
var i = sources.length;
// remove non-MP4 sources
while (i > 0) {
i--;
if (sources[i].container !== "MP4") {
sources.splice(i, 1);
} else if (sources[i].hasOwnProperty("stream_name")) {
sources.splice(i, 1);
}
}
// sort sources by encoding rate
sortArray(sources, "encoding_rate");
// return the first item (highest bitrate)
return sources[0];
}
/**
* add video items to the MRSS feed
*/
function addItems() {
var i,
iMax,
video,
pubdate,
videoURL,
thumbnailURL,
doThumbnail = true;
if (videoData.length > 0) {
mrssStr += sChannel;
mrssStr += '<atom:link href="' + feedURL.value.replace(/&/g, '&') + '" rel="self" type="application/rss+xml" />';
mrssStr += sTitle + feedname + eTitle;
mrssStr += sDescription + sCdata + feedDescription.value + eCdata + eDescription;
mrssStr += sLink + siteURL.value.replace(/&/g, "&") + eLink;
iMax = videoData.length;
for (i = 0; i < iMax; i += 1) {
doThumbnail = true;
video = videoData[i];
// video may not have a valid source
if (isDefined(video.source) && isDefined(video.source.src)) {
videoURL = video.source.src.replace(/&/g, "&");
} else {
// no source; skip this videos
continue;
}
// depending on when/how the video was created, it may have different thumbnail properties or none at all
if (isDefined(video.thumbnail)) {
thumbnailURL = encodeURI(video.thumbnail.replace(/&/g, "&"));
} else {
doThumbnail = false;
}
pubdate = new Date(video.created_at).toGMTString();
mrssStr += sItem;
mrssStr +=
sLink +
"https://players.brightcove.net/" +
account_id +
"/default_default/index.html?videoId=" +
video.id +
eLink;
mrssStr += sPubDate + pubdate + ePubDate;
mrssStr += sGuid + video.id + eGuid;
mrssStr +=
sMediaContent +
' url="' +
videoURL +
'" fileSize="' +
video.source.size +
'" type="video/quicktime" medium="video" duration="' +
video.duration / 1000 +
'" isDefault="true" height="' +
video.source.height +
'" width="' +
video.source.width +
'"' + eMediaContent;
mrssStr +=
sMediaPlayer +
' url="' +
"https://players.brightcove.net/" +
account_id +
"/default_default/index.html?videoId=" +
video.id +
'"' +
eMediaPlayer;
mrssStr += sMediaTitle + video.name + eMediaTitle;
mrssStr += sMediaDescription + sCdata + video.description + eCdata + eMediaDescription;
if (doThumbnail) {
mrssStr += sMediaThumbnail + ' url="' + thumbnailURL + '"';
if (isDefined(video.images)) {
mrssStr +=
' height="' +
video.images.thumbnail.sources[0].height +
'" width="' +
video.images.thumbnail.sources[0].width +
'"' +
eMediaThumbnail;
} else {
mrssStr += eMediaThumbnail;
}
}
mrssStr += eItem;
}
mrssStr += eChannel + "</rss>";
feed.textContent = vkbeautify.xml(mrssStr);
}
}
feed.addEventListener("click", function() {
feed.select();
});
/**
* makes the request to the Playback API
*/
function getMediaData(callback) {
var httpRequest = new XMLHttpRequest(),
responseData,
parsedData,
requestURL =
"https://edge.api.brightcove.com/playback/v1/accounts/" +
account_id +
"/playlists/" +
playlist_id +
"?limit=100";
// response handler
getResponse = function() {
try {
if (httpRequest.readyState === 4) {
if (httpRequest.status >= 200 && httpRequest.status < 300) {
responseData = httpRequest.responseText;
parsedData = JSON.parse(responseData);
videoData = parsedData.videos;
feedname = parsedData.name;
if (mrssOutput) {
callback();
} else {
callback();
}
} else {
alert(
"There was a problem with the request. Request returned " +
httpRequest.status
);
}
}
} catch (e) {
alert("Caught Exception: " + e);
}
};
// set response handler
httpRequest.onreadystatechange = getResponse;
// open the request
httpRequest.open("GET", requestURL);
// set headers
httpRequest.setRequestHeader("Accept", "application/json;pk=" + policyKey);
// open and send request
httpRequest.send();
}
})(window, document);
!
