forked from flowplayer/flowplayer-hlsjs
/
flowplayer.hlsjs.js
816 lines (729 loc) · 40.6 KB
/
flowplayer.hlsjs.js
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/*jslint browser: true, for: true, node: true */
/*eslint indent: ["error", 4], no-empty: ["error", { "allowEmptyCatch": true }] */
/*eslint-disable quotes, no-console */
/*global window */
/*!
hlsjs engine plugin for Flowplayer HTML5
Copyright (c) 2015-2016, Flowplayer Oy
Released under the MIT License:
http://www.opensource.org/licenses/mit-license.php
Includes hls.js
Copyright (c) 2015 Dailymotion (http://www.dailymotion.com)
https://github.com/dailymotion/hls.js/blob/master/LICENSE
Requires Flowplayer HTML5 version 6.x
$GIT_DESC$
*/
(function () {
"use strict";
var extension = function (Hls, flowplayer) {
var engineName = "hlsjs",
hlsconf,
common = flowplayer.common,
extend = flowplayer.extend,
support = flowplayer.support,
version = flowplayer.version,
win = window,
mse = win.MediaSource || win.WebKitMediaSource,
performance = win.performance,
isHlsType = function (typ) {
return typ.toLowerCase().indexOf("mpegurl") > -1;
},
hlsQualitiesSupport = function (conf) {
var hlsQualities = (conf.clip && conf.clip.hlsQualities) || conf.hlsQualities;
return support.inlineVideo &&
(hlsQualities === true ||
(hlsQualities && hlsQualities.length));
},
engineImpl = function hlsjsEngine(player, root) {
var bean = flowplayer.bean,
videoTag,
hls,
recover, // DEPRECATED
recoverMediaErrorDate,
swapAudioCodecDate,
recoveryClass = "is-seeking",
doRecover = function (conf, etype, isNetworkError) {
if (conf.debug) {
console.log("recovery." + engineName, "<-", etype);
}
common.removeClass(root, "is-paused");
common.addClass(root, recoveryClass);
if (isNetworkError) {
hls.startLoad();
} else {
var now = performance.now();
if (!recoverMediaErrorDate || now - recoverMediaErrorDate > 3000) {
recoverMediaErrorDate = performance.now();
hls.recoverMediaError();
} else {
if (!swapAudioCodecDate || (now - swapAudioCodecDate) > 3000) {
swapAudioCodecDate = performance.now();
hls.swapAudioCodec();
hls.recoverMediaError();
} else {
return 3;
}
}
}
// DEPRECATED
if (recover > 0) {
recover -= 1;
}
},
// pre 6.0.4 poster detection
bc,
has_bg,
posterClass = "is-poster",
addPoster = function () {
bean.one(videoTag, "timeupdate." + engineName, function () {
common.addClass(root, posterClass);
player.poster = true;
});
},
removePoster = function () {
if (player.poster) {
bean.one(videoTag, "timeupdate." + engineName, function () {
common.removeClass(root, posterClass);
player.poster = false;
});
}
},
setReplayLevel = false,
maxLevel = 0,
startUp = function () {
hls.startLoad(hls.config.startPosition);
},
qActive = "active",
dataQuality = function (quality) {
// e.g. "Level 1" -> "level1"
if (!quality) {
quality = player.quality;
}
return quality.toLowerCase().replace(/\ /g, "");
},
removeAllQualityClasses = function () {
var qualities = player.qualities;
if (!qualities || !qualities.length) {
return;
}
common.removeClass(root, "quality-abr");
qualities.forEach(function (quality) {
common.removeClass(root, "quality-" + dataQuality(quality));
});
},
qClean = function () {
delete player.hlsQualities;
removeAllQualityClasses();
common.find(".fp-quality-selector", root).forEach(common.removeNode);
},
qIndex = function () {
return player.hlsQualities[player.qualities.indexOf(player.quality) + 1];
},
initQualitySelection = function (hlsQualitiesConf, conf, data) {
var levels = data.levels,
hlsQualities = [],
qIndices = [],
levelIndex = 0,
selector;
qClean();
if (hlsQualitiesConf === "drive") {
switch (levels.length) {
case 4:
hlsQualities = [1, 2, 3];
break;
case 5:
hlsQualities = [1, 2, 3, 4];
break;
case 6:
hlsQualities = [1, 3, 4, 5];
break;
case 7:
hlsQualities = [1, 3, 5, 6];
break;
case 8:
hlsQualities = [1, 3, 6, 7];
break;
default:
if (levels.length < 3 ||
(levels[0].height && levels[2].height && levels[0].height === levels[2].height)) {
return;
}
hlsQualities = [1, 2];
}
} else {
if (typeof hlsQualitiesConf === "string") {
hlsQualitiesConf.split(/\s*,\s*/).forEach(function (q) {
qIndices.push(parseInt(q, 10));
});
} else if (typeof hlsQualitiesConf !== "boolean") {
hlsQualitiesConf.forEach(function (q) {
qIndices.push(typeof q === "number"
? q
: q.level);
});
}
levels.forEach(function (level) {
// do not check audioCodec,
// as e.g. HE_AAC is decoded as LC_AAC by hls.js on Android
if ((hlsQualitiesConf === true || qIndices.indexOf(levelIndex) > -1) &&
(!level.videoCodec ||
(level.videoCodec &&
mse.isTypeSupported('video/mp4;codecs=' + level.videoCodec)))) {
hlsQualities.push(levelIndex);
}
levelIndex += 1;
});
if (hlsQualities.length < 2) {
return;
}
}
player.qualities = [];
hlsQualities.forEach(function (idx) {
var level = levels[idx],
width = level.width,
height = level.height,
q = qIndices.length
? hlsQualitiesConf[qIndices.indexOf(idx)]
: idx,
label = typeof q === "object"
? q.label
: (width && height)
? Math.min(width, height) + "p"
: "Level " + (idx + 1);
player.qualities.push(label);
});
selector = common.createElement("ul", {
"class": "fp-quality-selector"
});
common.find(".fp-ui", root)[0].appendChild(selector);
hlsQualities.unshift(-1);
player.hlsQualities = hlsQualities;
if (!player.quality || player.qualities.indexOf(player.quality) < 0) {
player.quality = "abr";
} else {
hls.startLevel = qIndex();
hls.loadLevel = hls.startLevel;
}
selector.appendChild(common.createElement("li", {
"data-quality": "abr"
}, "Auto"));
player.qualities.forEach(function (q) {
selector.appendChild(common.createElement("li", {
"data-quality": dataQuality(q)
}, q));
});
common.addClass(root, "quality-" + dataQuality());
bean.on(root, "click." + engineName, ".fp-quality-selector li", function (e) {
var choice = e.currentTarget,
selectors,
active,
smooth = conf.smoothSwitching,
paused = videoTag.paused,
i;
if (common.hasClass(choice, qActive)) {
return;
}
if (!paused && !smooth) {
bean.one(videoTag, "pause." + engineName, function () {
common.removeClass(root, "is-paused");
});
}
selectors = common.find(".fp-quality-selector li", root);
for (i = 0; i < selectors.length; i += 1) {
active = selectors[i] === choice;
if (active) {
player.quality = i > 0
? player.qualities[i - 1]
: "abr";
if (smooth && !player.poster) {
hls.nextLevel = qIndex();
} else {
hls.currentLevel = qIndex();
}
common.addClass(choice, qActive);
if (paused) {
videoTag.play();
}
}
common.toggleClass(selectors[i], qActive, active);
}
removeAllQualityClasses();
common.addClass(root, "quality-" + dataQuality());
});
},
engine = {
engineName: engineName,
pick: function (sources) {
var i,
source;
for (i = 0; i < sources.length; i += 1) {
source = sources[i];
if (isHlsType(source.type)) {
if (typeof source.src === 'string') {
source.src = common.createAbsoluteUrl(source.src);
}
return source;
}
}
},
load: function (video) {
var conf = player.conf,
EVENTS = {
ended: "finish",
loadeddata: "ready",
pause: "pause",
play: "resume",
progress: "buffer",
ratechange: "speed",
seeked: "seek",
timeupdate: "progress",
volumechange: "volume",
error: "error"
},
HLSEVENTS = Hls.Events,
autoplay = !!video.autoplay || !!conf.autoplay,
hlsQualitiesConf = video.hlsQualities || conf.hlsQualities,
hlsUpdatedConf = extend(hlsconf, conf.hlsjs, conf.clip.hlsjs, video.hlsjs),
hlsClientConf = extend({}, hlsUpdatedConf);
// allow disabling level selection for single clips
if (video.hlsQualities === false) {
hlsQualitiesConf = false;
}
if (!hls) {
common.removeNode(common.findDirect("video", root)[0]
|| common.find(".fp-player > video", root)[0]);
videoTag = common.createElement("video", {
"class": "fp-engine " + engineName + "-engine",
"autoplay": autoplay
? "autoplay"
: false,
"volume": player.volumeLevel, // core ready stanza too late
"x-webkit-airplay": "allow"
});
Object.keys(EVENTS).forEach(function (key) {
var flow = EVENTS[key],
type = key + "." + engineName,
arg;
bean.on(videoTag, type, function (e) {
if (conf.debug && flow.indexOf("progress") < 0) {
console.log(type, "->", flow, e.originalEvent);
}
if (!player.ready && flow.indexOf("ready") < 0) {
return;
}
var ct = videoTag.currentTime,
buffered,
buffer = 0,
buffend = 0,
updatedVideo = player.video,
src = updatedVideo.src,
flush = false,
loop = updatedVideo.loop,
i,
quality = player.quality,
selectorIndex,
errorCode;
switch (flow) {
case "ready":
arg = extend(updatedVideo, {
duration: videoTag.duration,
seekable: videoTag.seekable.end(null),
width: videoTag.videoWidth,
height: videoTag.videoHeight,
url: src
});
break;
case "resume":
removePoster();
break;
case "seek":
removePoster();
arg = ct;
break;
case "progress":
arg = ct;
break;
case "speed":
arg = videoTag.playbackRate;
break;
case "volume":
arg = videoTag.volume;
break;
case "buffer":
try {
buffered = videoTag.buffered;
buffer = buffered.end(null);
if (ct) {
// cycle through time ranges to obtain buffer
// nearest current time
for (i = buffered.length - 1; i > -1; i -= 1) {
buffend = buffered.end(i);
if (buffend >= ct) {
buffer = buffend;
}
}
}
} catch (ignore) {}
video.buffer = buffer;
arg = buffer;
break;
case "finish":
if (hls.autoLevelEnabled && (loop || conf.playlist.length < 2 || conf.advance === false)) {
flush = !hls.levels[maxLevel].details;
if (!flush) {
hls.levels[maxLevel].details.fragments.forEach(function (frag) {
flush = !!flush || !frag.loadCounter;
});
}
if (flush) {
hls.trigger(HLSEVENTS.BUFFER_FLUSHING, {
startOffset: 0,
endOffset: updatedVideo.duration * 0.9
});
// do not go to a lower cached level on loop/replay
if (loop) {
bean.one(videoTag, "pause." + engineName, function () {
common.removeClass(root, "is-paused");
});
}
bean.one(videoTag, (loop
? "play."
: "timeupdate.") + engineName, function () {
var currentLevel = hls.currentLevel;
if (currentLevel < maxLevel) {
hls.currentLevel = maxLevel;
setReplayLevel = true;
}
});
}
}
break;
case "error":
errorCode = videoTag.error.code;
if ((hlsUpdatedConf.recoverMediaError && errorCode === 3) ||
(hlsUpdatedConf.recoverNetworkError && errorCode === 2) ||
(hlsUpdatedConf.recover && (errorCode === 2 || errorCode === 3))) {
errorCode = doRecover(conf, flow, errorCode === 2);
}
if (errorCode !== undefined) {
arg = {code: errorCode};
if (errorCode > 2) {
arg.video = extend(updatedVideo, {
src: src,
url: src
});
}
} else {
arg = false;
}
break;
}
if (arg === false) {
return arg;
}
player.trigger(flow, [player, arg]);
if (flow === "ready" && quality) {
selectorIndex = quality === "abr"
? 0
: player.qualities.indexOf(quality) + 1;
common.addClass(common.find(".fp-quality-selector li", root)[selectorIndex],
qActive);
}
});
});
if (conf.poster) {
// engine too late, poster already removed
// abuse timeupdate to re-instate poster
player.on("stop." + engineName, addPoster);
// re-instate initial poster for live streams
if (player.live && !autoplay && !player.video.autoplay) {
bean.one(videoTag, "seeked." + engineName, addPoster);
}
}
player.on("error." + engineName, function () {
if (hls) {
hls.destroy();
hls = 0;
}
});
common.prepend(common.find(".fp-player", root)[0], videoTag);
} else {
hls.destroy();
if ((player.video.src && video.src !== player.video.src) || video.index) {
common.attr(videoTag, "autoplay", "autoplay");
}
}
// #28 obtain api.video props before ready
player.video = video;
maxLevel = 0;
setReplayLevel = false;
Object.keys(hlsUpdatedConf).forEach(function (key) {
if (!Hls.DefaultConfig.hasOwnProperty(key)) {
delete hlsClientConf[key];
}
var value = hlsUpdatedConf[key];
switch (key) {
case "adaptOnStartOnly":
if (value) {
hlsClientConf.startLevel = -1;
}
break;
case "autoLevelCapping":
if (value === false) {
value = -1;
}
hlsClientConf[key] = value;
break;
case "startLevel":
switch (value) {
case "auto":
value = -1;
break;
case "firstLevel":
value = undefined;
break;
}
hlsClientConf[key] = value;
break;
case "recover": // DEPRECATED
hlsUpdatedConf.recoverMediaError = false;
hlsUpdatedConf.recoverNetworkError = false;
recover = value;
break;
case "strict":
if (value) {
hlsUpdatedConf.recoverMediaError = false;
hlsUpdatedConf.recoverNetworkError = false;
recover = 0;
}
break;
}
});
hlsClientConf.autoStartLoad = false;
hls = new Hls(hlsClientConf);
player.engine[engineName] = hls;
recoverMediaErrorDate = null;
swapAudioCodecDate = null;
Object.keys(HLSEVENTS).forEach(function (key) {
var etype = HLSEVENTS[key],
listeners = hlsUpdatedConf.listeners,
expose = listeners && listeners.indexOf(etype) > -1;
hls.on(etype, function (e, data) {
var fperr,
errobj = {},
ERRORTYPES = Hls.ErrorTypes,
ERRORDETAILS = Hls.ErrorDetails,
updatedVideo = player.video,
src = updatedVideo.src;
switch (key) {
case "MEDIA_ATTACHED":
hls.loadSource(src);
break;
case "MANIFEST_PARSED":
if (hlsQualitiesSupport(conf)) {
if (hlsQualitiesConf) {
initQualitySelection(hlsQualitiesConf, hlsUpdatedConf, data);
} else {
qClean();
}
} else {
delete player.quality;
}
if (player.live) {
startUp();
} else {
setTimeout(startUp);
}
break;
case "FRAG_LOADED":
if (setReplayLevel) {
hls.nextLevel = -1;
setReplayLevel = false;
maxLevel = 0;
} else if (!player.live && hls.autoLevelEnabled && hls.loadLevel > maxLevel) {
maxLevel = hls.loadLevel;
}
break;
case "FRAG_PARSING_METADATA":
if (version.indexOf("6.") === 0) {
return;
}
data.samples.forEach(function (sample) {
var metadataHandler;
metadataHandler = function () {
if (videoTag.currentTime < sample.dts) {
return;
}
bean.off(videoTag, 'timeupdate.' + engineName, metadataHandler);
var raw,
Decoder = win.TextDecoder;
if (Decoder && typeof Decoder === "function") {
raw = new Decoder('utf-8').decode(sample.data);
} else {
raw = decodeURIComponent(win.escape(
String.fromCharCode.apply(null, sample.data)
));
}
player.trigger('metadata', [player, {
key: raw.substr(10, 4),
data: raw.substr(21)
}]);
};
bean.on(videoTag, 'timeupdate.' + engineName, metadataHandler);
});
break;
case "ERROR":
if (data.fatal || hlsUpdatedConf.strict) {
switch (data.type) {
case ERRORTYPES.NETWORK_ERROR:
if (hlsUpdatedConf.recoverNetworkError || recover) {
doRecover(conf, data.type, true);
} else if (data.frag && data.frag.url) {
errobj.url = data.frag.url;
fperr = 2;
} else {
fperr = 4;
}
break;
case ERRORTYPES.MEDIA_ERROR:
if (hlsUpdatedConf.recoverMediaError || recover) {
fperr = doRecover(conf, data.type);
} else {
fperr = 3;
}
break;
default:
hls.destroy();
fperr = 5;
}
if (fperr !== undefined) {
errobj.code = fperr;
if (fperr > 2) {
errobj.video = extend(updatedVideo, {
src: src,
url: data.url || src
});
}
player.trigger("error", [player, errobj]);
}
} else {
switch (data.details) {
case ERRORDETAILS.BUFFER_STALLED_ERROR:
case ERRORDETAILS.FRAG_LOOP_LOADING_ERROR:
common.addClass(root, recoveryClass);
bean.one(videoTag, "timeupdate." + engineName, function () {
common.removeClass(root, recoveryClass);
});
break;
}
}
break;
}
// memory leak if all these are re-triggered by api #29
if (expose) {
player.trigger(e, [player, data]);
}
});
});
if (hlsUpdatedConf.adaptOnStartOnly) {
bean.one(videoTag, "timeupdate." + engineName, function () {
hls.loadLevel = hls.loadLevel;
});
}
hls.attachMedia(videoTag);
if (videoTag.paused && autoplay) {
videoTag.play();
}
},
resume: function () {
videoTag.play();
},
pause: function () {
videoTag.pause();
},
seek: function (time) {
videoTag.currentTime = time;
},
volume: function (level) {
if (videoTag) {
videoTag.volume = level;
}
},
speed: function (val) {
videoTag.playbackRate = val;
player.trigger('speed', [player, val]);
},
unload: function () {
if (hls) {
var listeners = "." + engineName;
hls.destroy();
hls = 0;
qClean();
player.off(listeners);
bean.off(root, listeners);
bean.off(videoTag, listeners);
common.removeNode(videoTag);
videoTag = 0;
}
}
};
// pre 6.0.4: no boolean api.conf.poster and no poster with autoplay
if (/^6\.0\.[0-3]$/.test(version) &&
!player.conf.splash && !player.conf.poster && !player.conf.autoplay) {
bc = common.css(root, 'backgroundColor');
// spaces in rgba arg mandatory for recognition
has_bg = common.css(root, 'backgroundImage') !== "none" ||
(bc && bc !== "rgba(0, 0, 0, 0)" && bc !== "transparent");
if (has_bg) {
player.conf.poster = true;
}
}
return engine;
};
if (Hls.isSupported() && version.indexOf("5.") !== 0) {
// only load engine if it can be used
engineImpl.engineName = engineName; // must be exposed
engineImpl.canPlay = function (type, conf) {
var b = support.browser,
wn = win.navigator,
IE11 = wn.userAgent.indexOf("Trident/7") > -1;
if (conf[engineName] === false || conf.clip[engineName] === false) {
// engine disabled for player or clip
return false;
}
// merge hlsjs clip config at earliest opportunity
hlsconf = extend({
smoothSwitching: true,
recoverMediaError: true
}, flowplayer.conf[engineName], conf[engineName], conf.clip[engineName]);
if (isHlsType(type)) {
// allow all browsers for hlsjs debugging
if (hlsconf.debug) {
return true;
}
// https://bugzilla.mozilla.org/show_bug.cgi?id=1244294
if (hlsconf.anamorphic &&
wn.platform.indexOf("Win") === 0 && b.mozilla && b.version.indexOf("44.") === 0) {
return false;
}
// https://github.com/dailymotion/hls.js/issues/9
return IE11 || !b.safari;
}
return false;
};
// put on top of engine stack
// so hlsjs is tested before html5 video hls and flash hls
flowplayer.engines.unshift(engineImpl);
flowplayer(function (api) {
// to take precedence over VOD quality selector
api.pluginQualitySelectorEnabled = hlsQualitiesSupport(api.conf) &&
engineImpl.canPlay("application/x-mpegurl", api.conf);
});
}
};
if (typeof module === 'object' && module.exports) {
module.exports = extension.bind(undefined, require('hls.js'));
} else if (window.Hls && window.flowplayer) {
extension(window.Hls, window.flowplayer);
}
}());