mediaelement-debug.js
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(function(webshim, $){
"use strict";
if(!window.console){return;}
var mediaelement = webshim.mediaelement;
var hasFlash = swfmini.hasFlashPlayerVersion('10.0.3');
var hasNative = webshim.support.mediaelement;
var url = location.protocol+'//'+location.hostname;
var tests = {
urlInValid: {
level: 1,
test: (function(){
var reg = /^[a-z0-9\,\.\:\/\-_\;\?#\+\*\!\(\)\$\;\&\=\+]+$/i;
return function(src){
return (src.src && !reg.test(src.src));
};
})(),
srcTest: {poster: 1, srces: 1},
message: "URL has invalid characters. Remove any special characters and mutated vowels."
},
noHeaderTest: {
level: 5,
test: function(src){
return src.computedContainer != 'video/youtube' && !src.ajax && !src.httpError;
},
srcTest: {srces: 1},
message: "Could not run HTTP network tests (cross-domain) for all sources. Check manually."
},
hasNoTypeAttribute: {
level: 4,
test: function(src){
return !src.declaredType && !src.typeNotRequired;
},
srcTest: {srces: 1},
message: "The source element has no type attribute specified. Browser needs to download file before testing compatibility. Add a proper type attribute."
},
couldNotComputeTypeDeclaredTypeAbsent: {
level: 1,
test: function(src){
return (!src.computedContainer && !src.declaredType);
},
srcTest: {srces: 1},
message: "The source element has no type attribute specified and the extensions seems unknown. Add a proper type attribute."
},
httpError: {
level: 2.5,
test: function(src){
if(!src.ajax || src.decode.swf.success || src.decode.native.success){
return 'not testable';
} else {
return !!(src.httpError && !src.httpErrorText);
}
},
srcTest: {srces: 1},
message: "There was an unknown http error. Check source/URL."
},
fileEncoding: {
test: function(){
return 'This test does not test file encoding, framerate compatibility, moov index, encoding profiles. So there is room to fail!';
},
srcTest: {srces: 1}
},
explicitHttpError: {
level: 1,
test: function(src){
if(!src.ajax || src.decode.swf.success || src.decode.native.success){
return 'not testable';
} else {
return !!(src.httpErrorText);
}
},
srcTest: {srces: 1},
message: "There was a http error. Check source/URL."
},
charsetInContentType: {
level: 2.5,
test: function(src){
if(!src.ajax || src.httpError){
return 'not testable';
} else {
return src.headerType && (/charset=/i).test(src.headerType);
}
},
srcTest: {srces: 1},
message: "Content-Type header of media file sends charset. Remove charset information."
},
explicitTypeMix: {
level: 3,
test: function(src){
if(src.declaredContainer && src.headerType){
return src.headerType != src.declaredType;
} else {
return 'not testable';
}
},
srcTest: {srces: 1},
message: "Content-Type header and attribute type do not match. Set same and proper type value."
},
noContentType: {
level: 2.5,
test: function(src){
if(src.ajax && !src.httpError){
return !(src.headerType);
} else {
return 'not testable';
}
},
srcTest: {srces: 1},
message: "Content-Type header for media file is either empty or application/octet-stream."
},
noContentLength: {
level: 3,
test: function(src){
if(src.ajax && !src.httpError){
return !(src.headers['Content-Length']);
} else {
return 'not testable';
}
},
srcTest: {srces: 1},
message: "Content-Length header for media file does not send value."
},
noRange: {
level: 3,
test: function(src){
if(src.ajax && !src.httpError){
return !(src.headers['Accept-Ranges']);
} else {
return 'not testable';
}
},
srcTest: {srces: 1},
message: "Accept-Ranges header for media file does not send value. Make sure server supports Range requests in bytes"
},
explicitNoRange: {
level: 2.5,
test: function(src){
if(src.ajax && !src.httpError){
return (src.headers['Accept-Ranges'] == 'none');
} else {
return 'not testable';
}
},
srcTest: {srces: 1},
message: "Server does not support Range requests. Make sure server supports Range requests in bytes"
},
doubleEncoded: {
level: 1,
test: function(src){
if(src.ajax && !src.httpError){
return ((/[defalte|gzip]/i).test(src.headers['Content-Encoding']));
} else {
return 'not testable';
}
},
srcTest: {srces: 1},
message: "Content of media file is encoded with gzip/defalte. Make sure to not encode it. It's already encoded."
},
mediaAttachment: {
level: 1,
test: function(src){
if(src.ajax && !src.httpError){
return (/attach/i.test(src.headers['Content-Disposition']));
} else {
return 'not testable';
}
},
srcTest: {srces: 1},
message: "Content-Disposition header wants media file to be downloaded, but not to be played."
},
badTypeMix: {
level: 1,
test: function(src, infos){
var ret = false;
var isPlayableHtml, isPlayableHeader;
var htmlContainer = src.declaredContainer || src.computedContainer;
var headerContainer = src.headerContainer;
if(headerContainer && htmlContainer){
if(headerContainer != htmlContainer){
isPlayableHtml = mediaelement.swfMimeTypes.indexOf(htmlContainer) != -1;
isPlayableHeader = mediaelement.swfMimeTypes.indexOf(headerContainer) != -1;
if(isPlayableHtml != isPlayableHeader){
ret = true;
}
if(!ret && infos.element.canPlayType){
isPlayableHtml = !!infos.element.canPlayType(htmlContainer);
isPlayableHeader = !!infos.element.canPlayType(headerContainer);
if(isPlayableHtml != isPlayableHeader){
ret = true;
}
}
}
} else {
ret = 'not testable';
}
return ret;
},
srcTest: {srces: 1},
message: "Content-Type header and attribute type do not match and are quite different. Set same and proper type value."
},
typeMix: {
level: 2.5,
test: function(src, infos){
var ret = false;
var isPlayableComputed, isPlayableDeclared;
if(!src.headerContainer && src.declaredContainer && src.computedContainer && src.computedContainer != src.declaredContainer){
isPlayableComputed = mediaelement.swfMimeTypes.indexOf(src.computedContainer) != -1;
isPlayableDeclared = mediaelement.swfMimeTypes.indexOf(src.declaredContainer) != -1;
if(isPlayableComputed != isPlayableDeclared){
ret = true;
}
if(!ret && infos.element.canPlayType){
isPlayableComputed = !!infos.element.canPlayType(src.computedContainer);
isPlayableDeclared = !!infos.element.canPlayType(src.declaredContainer);
if(isPlayableComputed != isPlayableDeclared){
ret = true;
}
}
}
return ret;
},
srcTest: {srces: 1},
message: "Computed type and declared type are different. Needs manual check."
},
hasNoPlayableSrc: {
level: 1,
test: function(infos){
var hasPlayable = false;
$.each(infos.srces, function(i, src){
var pluginContainer = src.declaredContainer || src.computedContainer;
var nativeContainer = src.headerContainer || pluginContainer;
if(mediaelement.swfMimeTypes.indexOf(pluginContainer) != -1){
hasPlayable = true;
return false;
}
if(infos.element.canPlayType && infos.element.canPlayType(pluginContainer) && infos.element.canPlayType(nativeContainer)){
hasPlayable = true;
return false;
}
});
return !hasPlayable;
},
message: "Mediaelement has no source to be played in browser or by plugin. Use at least a video/mp4 source."
},
endJump: {
level: 2.5,
test: function(src){
return src.decode.swf.endJump || src.decode.native.endJump;
},
srcTest: {srces: 1},
message: 'src jumped to end too soon. Check negative timestamps: https://bugzilla.mozilla.org/show_bug.cgi?id=868797'
},
swfTimeout: {
level: 3,
test: function(src){
return src.decode.swf.timeout;
},
srcTest: {srces: 1},
message: 'Could not run decode tests. Maybe moovposition is on end?'
},
moovPosition: {
level: 2,
test: function(src){
if(src.decode.swf.moovposition){
return src.decode.swf.moovposition > 300;
}
return false;
},
srcTest: {srces: 1}
},
tabletDecode: {
level: 2,
test: function(infos){
var hasSwfSuccess = false;
var hasPlayableh264 = false;
if(hasFlash){
$.each(infos.srces, function(i, src){
var swfDecode = src.decode.swf;
if(('videocodecid' in swfDecode)){
hasSwfSuccess = true;
}
if(swfDecode.videocodecid != 'avc1' || swfDecode.avclevel > 31 || swfDecode.height * swfDecode.width > 921600){
return;
}
hasPlayableh264 = true;
return false;
});
}
return (!hasSwfSuccess) ? false : !hasPlayableh264;
},
message: 'Not playable on more than 25% of smartphone and more than 15% of tablet devices. In case you want to support 75% of smartphone- and 90% of tablet devices you need to provide a source encoded with H.264, High Profile (HP), Level 3.1, up to 1280 * 720.'
},
allTabletDecode: {
level: 3,
test: function(infos){
var hasSwfSuccess = false;
var hasPlayableh264 = false;
if(hasFlash){
$.each(infos.srces, function(i, src){
var swfDecode = src.decode.swf;
if(('videocodecid' in swfDecode)){
hasSwfSuccess = true;
}
if(swfDecode.videocodecid != 'avc1' || swfDecode.avcprofile > 77 || swfDecode.avclevel > 31 || swfDecode.height * swfDecode.width > 921600){
return;
}
hasPlayableh264 = true;
return false;
});
}
return (!hasSwfSuccess) ? false : !hasPlayableh264;
},
message: 'Not playable on more than 15% of smartphone and more than 5% of tablet devices. In case you want to support 90% of smartphone- and 99% of tablet devices you need to provide a source encoded with H.264, Main Profile (HP), Level 3.1, up to 1280 * 720.'
},
smartphoneDecode: {
level: 3.5,
test: function(infos){
var hasSwfSuccess = false;
var hasPlayableh264 = false;
if(hasFlash){
$.each(infos.srces, function(i, src){
var swfDecode = src.decode.swf;
if(('videocodecid' in swfDecode)){
hasSwfSuccess = true;
}
if(swfDecode.videocodecid != 'avc1' || swfDecode.avcprofile > 77 || swfDecode.avclevel > 30 || swfDecode.height * swfDecode.width > 345600){
return;
}
hasPlayableh264 = true;
return false;
});
}
return (!hasSwfSuccess) ? false : !hasPlayableh264;
},
message: 'Not playable on more than 10% of smartphones: In case you want to support 90% of smartphone- and 99% of tablet devices you need to provide a source encoded with H.264, Main Profile (HP), Level 3.1, up to 720 * 404 / 640 * 480.'
},
notAllSmartphoneDecode: {
level: 4,
test: function(infos){
var hasSwfSuccess = false;
var hasPlayableh264 = false;
if(hasFlash){
$.each(infos.srces, function(i, src){
var swfDecode = src.decode.swf;
if(('videocodecid' in swfDecode)){
hasSwfSuccess = true;
}
if(swfDecode.videocodecid != 'avc1' || swfDecode.avcprofile > 66 || swfDecode.avclevel > 30 || swfDecode.height * swfDecode.width > 307200){
return;
}
hasPlayableh264 = true;
return false;
});
}
return (!hasSwfSuccess) ? false : !hasPlayableh264;
},
message: 'Not playable on more than 1% of smartphones: In case you want to support 99% of all devices you need to provide a source encoded with H.264, Baseline Profile (BP), Level 3.0, up to 720 * 404 / 640 * 480. You might want to use multiple sources to satisfy quality and maximum device compatibility.'
},
needsFlashInstalled: {
level: 1,
test: function(infos){
var flashCanPlay = false;
var nativeCanPlay = false;
if(!hasFlash){
$.each(infos.srces, function(i, src){
var pluginContainer = src.declaredContainer || src.computedContainer;
var nativeContainer = src.headerContainer || pluginContainer;
if(mediaelement.swfMimeTypes.indexOf(pluginContainer) != -1){
flashCanPlay = true;
}
if(infos.element.canPlayType && (pluginContainer == 'video/youtube' || (infos.element.canPlayType(pluginContainer) && infos.element.canPlayType(nativeContainer)))){
nativeCanPlay = true;
return false;
}
});
}
return flashCanPlay && !nativeCanPlay;
},
message: "While media file could be played by flash plugin, Browser has no flash installed. Use at least a video/mp4 source and install flash. Or add additionally a video/webm file."
},
hasNoSwfPlayableSrc: {
level: 1,
test: function(infos){
var hasPlayable = false;
$.each(infos.srces, function(i, src){
var pluginContainer = src.declaredContainer || src.computedContainer;
if(mediaelement.swfMimeTypes.indexOf(pluginContainer) != -1){
hasPlayable = true;
return false;
}
});
return !hasPlayable;
},
message: "Mediaelement has no source to be played by fallback plugin. Use at least a video/mp4 source."
},
hasNoNativePlayableSrc: {
level: 4,
test: function(infos){
var hasPlayable = false;
if(infos.element.canPlayType){
$.each(infos.srces, function(i, src){
var pluginContainer = src.declaredContainer || src.computedContainer;
var nativeContainer = src.headerContainer || pluginContainer;
if(pluginContainer == 'video/youtube' || (infos.element.canPlayType(pluginContainer) && infos.element.canPlayType(nativeContainer))){
hasPlayable = true;
return false;
}
});
}
return !hasPlayable;
},
message: "Mediaelement has no source to be played native. Use at least a video/mp4 and a video/webm source."
},
misLeadingAttrMode: {
level: 2,
test: function(infos){
return (infos.srces.length > 1 && infos.srces[0].attrMode);
},
message: "Mediaelement has a src attribute and some source child elements. Only src attribute is used."
},
emptySrc: {
level: 2,
test: function(src){
return src.src && !src.attrSrc;
},
srcTest: {poster: 1, srces: 1},
message: "The src or poster attribute is an empty string, which is not allowed."
}
};
function runMediaTest(src, container, provider, infos){
var timeoutTimer, playTimer;
var promise = $.Deferred();
var $container = $('#wsmediatestcontainer');
var $element = $('<div />').css({width: 320, height: 120, float: 'left'});
var $media = $(document.createElement(infos.nodeName))
.attr({
src: src.src,
'data-type': container,
'controls': 'controls',
preload: 'none'
})
;
var resolvePromise = function(){
$media.pause();
setTimeout(function(){
$element.remove();
if(!$('video, audio', $container).length){
$container.remove();
}
}, 9);
setTimeout(function(){
promise.resolve();
}, 99);
};
var runEnded = function(e){
var duration = $media.prop('duration');
var currentTime = $media.prop('currentTime');
if(duration && duration > 5){
if(currentTime > 0 && currentTime < 5){
resolvePromise();
} else if(e.type == 'ended' || currentTime >= duration -1){
src.decode[provider].endJump = true;
resolvePromise();
}
} else {
resolvePromise();
}
};
var resolve = function(e){
clearTimeout(timeoutTimer);
if(e){
if(e.type == 'loadedmetadata'){
if(provider == 'swf'){
try {
src.decode[provider] = $media.getShadowElement().find('object, embed')[0].api_get('meta');
} catch(e){}
}
if(!src.decode[provider] || $.isEmptyObject(src.decode[provider])){
src.decode[provider] = {
duration: $media.prop('duration'),
height: $media.prop('videoHeight'),
width: $media.prop('videoWidth')
//todo at test for seekable
//,seekable: ($media.prop('seekable') || []).length
};
}
src.decode[provider].success = true;
} else {
src.decode[provider] = {
error: $media.prop('error'),
mediaError: $media.data('mediaerror'),
success: false
};
}
} else {
src.decode[provider] = {
success: false,
timeout: true
};
}
setTimeout(function(){
$media.play();
}, 9);
$media.on('ended timeupdate', runEnded);
clearTimeout(playTimer);
setTimeout(resolvePromise, 300);
};
if(!$container.length){
$container = $('<div id="wsmediatestcontainer" />')
.css({position: 'fixed', top: 0, left: 0, right: 0, padding: 10, zIndex: 9999999999})
.prependTo('body')
;
}
$media
.on('mediaerror loadedmetadata', resolve)
.appendTo($element)
;
if(provider == 'native'){
$media.on('error', resolve);
}
$element.appendTo($container);
timeoutTimer = setTimeout(resolve, 40000);
playTimer = setTimeout(function(){
$media.prop('muted', true);
$media.play();
}, 200);
$media.mediaLoad();
return promise;
}
function runDecodeTest(src, infos){
var promises = [];
var type = src.declaredContainer || src.computedContainer || src.headerContainer || '';
var preferFlash = webshim.cfg.mediaelement.preferFlash;
if(hasNative && infos.element.canPlayType(type)){
webshim.cfg.mediaelement.preferFlash = false;
promises.push(runMediaTest(src, type, 'native', infos));
} else {
src.decode.native = {success: false, notsupported: true};
}
if(hasFlash && !(/youtube|rtmp/i.test(type)) && mediaelement.swfMimeTypes.indexOf(type) != -1){
webshim.cfg.mediaelement.preferFlash = true;
promises.push(runMediaTest(src, type, 'swf', infos));
} else {
src.decode.swf = {success: false, notsupported: type != 'video/youtube'};
}
webshim.cfg.mediaelement.preferFlash = preferFlash;
return $.when.apply($, promises);
}
var runningDecodeTests = 0;
var decodeObj = {};
function runDeferredeDcodeTest(src, infos){
var promise = $.Deferred();
var onRun = function(){
if(!runningDecodeTests){
runningDecodeTests++;
$(decodeObj).off('finish', onRun);
runDecodeTest(src, infos).always(function(){
promise.resolve();
runningDecodeTests--;
$(decodeObj).trigger('finish');
});
}
};
if(runningDecodeTests){
$(decodeObj).on('finish', onRun);
} else {
onRun();
}
src.decode.promise = promise.promise();
}
function getSrcInfo(elem, infos){
var ajax;
var src = {
src: $.prop(elem, 'src'),
attrSrc: $.trim($.attr(elem, 'src')),
declaredType: $.attr(elem, 'type') || $(elem).attr('data-type') || '',
errors: {},
decode: {
native: {},
swf: {}
}
};
src.declaredContainer = src.declaredType.split(';')[0].trim();
try {
src.computedContainer = mediaelement.getTypeForSrc( src.src, infos.nodeName);
} catch(e){
src.computedContainer = '';
}
if(!src.src.indexOf(url)){
try {
src.headerType = '';
src.headers = {};
ajax = $.ajax({
url: src.src,
type: 'head',
success: function(){
src.headerType = ajax.getResponseHeader('Content-Type') || '';
if((/^\s*application\/octet\-stream\s*$/i).test(src.headerType)){
src.headerType = '';
src.errors.octetStream = 'octetStream';
}
src.headerContainer = $.trim(src.headerType.split(';')[0]);
['Location', 'Content-Type', 'Content-Length', 'Accept-Ranges', 'Content-Disposition', 'Content-Encoding'].forEach(function(name){
src.headers[name] = ajax.getResponseHeader(name) || '';
});
},
error: function(xhr, status, statusText){
src.httpError = status;
src.httpErrorText = statusText;
}
});
src.ajax = ajax;
} catch(e){}
} else {
src.cors = true;
}
runDeferredeDcodeTest(src, infos);
return src;
}
function resolveSrces(infos){
var src;
var srces = [];
var ajaxes = [];
var $sources = $('source', infos.element);
var promises = [];
var mainPromise = $.Deferred();
var i = 0;
var resolve = function(){
i++;
if(i > 1){
mainPromise.resolve();
}
};
if($.prop(infos.element, 'src')){
src = getSrcInfo(infos.element, infos);
src.attrMode = true;
src.typeNotRequired = true;
srces.push(src);
}
$sources.each(function(i){
var src = getSrcInfo(this, infos);
src.typeNotRequired = !!(i && i >= $sources.length - 1);
srces.push(src);
if(src.ajax){
ajaxes.push(src.ajax);
}
if(src.decode.promise){
promises.push(src.decode.promise);
}
});
infos.srces = srces;
$.when.apply($, promises).always(resolve);
$.when.apply($, ajaxes).done(resolve).fail(function(){
setTimeout(resolve, 200);
});
return mainPromise.promise();
}
function runTests(infos){
$.each(tests, function(name, obj){
var localMessage;
var failed = false;
var message = obj.message || name;
if(obj.srcTest){
if(obj.srcTest.poster){
localMessage = obj.test(infos.poster, infos);
if(localMessage){
if(typeof localMessage == 'string'){
infos.poster.errors[name] = localMessage;
} else {
infos.poster.errors[name] = message;
failed = true;
}
}
}
if(obj.srcTest.srces){
infos.srces.forEach(function(src){
localMessage = obj.test(src, infos);
if(localMessage){
if(typeof localMessage == 'string'){
src.errors[name] = localMessage;
} else {
src.errors[name] = message;
failed = true;
}
}
});
}
} else {
failed = obj.test(infos);
}
if(failed){
infos.errors.push({
message: message,
level: obj.level,
name: name
});
}
});
infos.errors.sort(function(a, b){
return a.level > b.level;
});
console.log('---- Media Test Start ----');
console.log('Testing results for mediaelement network + markup debugger. For detailed information expand the following object:', infos);
if(infos.errors.length){
if(infos.errors[0].level < 3){
console.log('Found '+ infos.errors.length + ' errors/warnings with at least 1 critical issue.');
} else if(infos.errors[0].level < 4) {
console.log('Found '+ infos.errors.length + ' errors/warnings.');
} else {
console.log('Found '+ infos.errors.length + ' warnings but no critical issue.');
}
infos.errors.forEach(function(error){
var type = 'log';
if(console.error && console.warn){
if(error.level < 3){
type = 'error';
} else if(error.level < 4){
type = 'warn';
}
}
console[type](error.message, 'priority level: '+ error.level, error.name);
});
} else {
console.log('Congratulations: No errors found for video.');
}
console.log('---- Media Test End ----');
console.log('----');
}
function getMediaInfo(elem){
var infos = {
element: elem,
nodeName: elem.nodeName.toLowerCase(),
errors: [],
poster: {
src: $.prop(elem, 'poster'),
attrSrc: $.trim($.attr(elem, 'poster')),
errors: {}
},
mediaError: $.prop(elem, 'error'),
wsError: $(elem).data('mediaerror')
};
var promise = resolveSrces(infos);
var initTests = function(){
runTests(infos);
};
promise.always(initTests);
}
var timedMediaInfo = function(i){
var elem = this;
setTimeout(function(){
getMediaInfo(elem);
}, i * 100);
};
console.log('Running mediaelement debugger. Only run these tests in development never in production. set webshim.setOptions("debug", false); to remove. Debugger only tests media on same domain and does not test all file encoding issues. So there is still room to fail!');
if(webshim.cfg.extendNative){
console.log('mediaelement debugger does not detect all problems with extendNative set to true. Please set webshim.setOptions("extendNative", false);');
}
webshim.addReady(function(context, $insertedElement){
$('video, audio', context)
.add($insertedElement.filter('video, audio'))
.each(timedMediaInfo)
;
});
webshim.mediaelement.getMediaInfo = getMediaInfo;
})(webshim, webshim.$);