videojs-contrib-dash/dist/videojs-dash.min.js

A Video.js source-handler providing MPEG-DASH playback.

/*! @name videojs-contrib-dash @version 4.1.0 @license Apache-2.0 */
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t(require("video.js"),require("global/window"),require("global/document")):"function"==typeof define&&define.amd?define(["video.js","global/window","global/document"],t):e.videojsDash=t(e.videojs,e.window,e.document)}(this,function(u,o,n){"use strict";u=u&&u.hasOwnProperty("default")?u.default:u,o=o&&o.hasOwnProperty("default")?o.default:o,n=n&&n.hasOwnProperty("default")?n.default:n;var l="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};function e(e){return e&&e.__esModule&&Object.prototype.hasOwnProperty.call(e,"default")?e.default:e}function t(e,t){return e(t={exports:{}},t.exports),t.exports}var d=t(function(e,t){function o(e){var t=e;return d.hasOwnProperty(e)&&(t=d[e]),String.fromCharCode(t)}function s(e){for(var t=[],n=0;n<e.length;n++)t.push(e[n].toString(16));return t}function u(e,t,n,r,i){this.foreground=e||"white",this.underline=t||!1,this.italics=n||!1,this.background=r||"black",this.flash=i||!1}function n(e,t,n,r,i,a){this.uchar=e||" ",this.penState=new u(t,n,r,i,a)}function r(){this.chars=[];for(var e=0;e<32;e++)this.chars.push(new n);this.pos=0,this.currPenState=new u}function i(){this.rows=[];for(var e=0;e<15;e++)this.rows.push(new r);this.currRow=14,this.nrRollUpRows=null,this.reset()}function a(e,t){this.chNr=e,this.outputFilter=t,this.mode=null,this.verbose=0,this.displayedMemory=new i,this.nonDisplayedMemory=new i,this.lastOutputScreen=new i,this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}function l(e,t,n){this.field=e||1,this.outputs=[t,n],this.channels=[new a(1,t),new a(2,n)],this.currChNr=-1,this.lastCmdA=null,this.lastCmdB=null,this.bufferedData=[],this.startTime=null,this.lastTime=null,this.dataCounters={padding:0,char:0,cmd:0,other:0}}var d,f,c,h,g,p,_;t=t,d={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,128:174,129:176,130:189,131:191,132:8482,133:162,134:163,135:9834,136:224,137:32,138:232,139:226,140:234,141:238,142:244,143:251,144:193,145:201,146:211,147:218,148:220,149:252,150:8216,151:161,152:42,153:8217,154:9473,155:169,156:8480,157:8226,158:8220,159:8221,160:192,161:194,162:199,163:200,164:202,165:203,166:235,167:206,168:207,169:239,170:212,171:217,172:249,173:219,174:171,175:187,176:195,177:227,178:205,179:204,180:236,181:210,182:242,183:213,184:245,185:123,186:125,187:92,188:94,189:95,190:124,191:8764,192:196,193:228,194:214,195:246,196:223,197:165,198:164,199:9475,200:197,201:229,202:216,203:248,204:9487,205:9491,206:9495,207:9499},f={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},c={17:2,18:4,21:6,22:8,23:10,19:13,20:15},h={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},g={25:2,26:4,29:6,30:8,31:10,27:13,28:15},p=["white","green","blue","cyan","red","yellow","magenta","black","transparent"],_={verboseFilter:{DATA:3,DEBUG:3,INFO:2,WARNING:2,TEXT:1,ERROR:0},time:null,verboseLevel:0,setTime:function(e){this.time=e},log:function(e,t){var n=this.verboseFilter[e];this.verboseLevel>=n&&console.log(this.time+" ["+e+"] "+t)}},u.prototype={reset:function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},setStyles:function(e){for(var t=["foreground","underline","italics","background","flash"],n=0;n<t.length;n++){var r=t[n];e.hasOwnProperty(r)&&(this[r]=e[r])}},isDefault:function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},equals:function(e){return this.foreground===e.foreground&&this.underline===e.underline&&this.italics===e.italics&&this.background===e.background&&this.flash===e.flash},copy:function(e){this.foreground=e.foreground,this.underline=e.underline,this.italics=e.italics,this.background=e.background,this.flash=e.flash},toString:function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash}},n.prototype={reset:function(){this.uchar=" ",this.penState.reset()},setChar:function(e,t){this.uchar=e,this.penState.copy(t)},setPenState:function(e){this.penState.copy(e)},equals:function(e){return this.uchar===e.uchar&&this.penState.equals(e.penState)},copy:function(e){this.uchar=e.uchar,this.penState.copy(e.penState)},isEmpty:function(){return" "===this.uchar&&this.penState.isDefault()}},r.prototype={equals:function(e){for(var t=!0,n=0;n<32;n++)if(!this.chars[n].equals(e.chars[n])){t=!1;break}return t},copy:function(e){for(var t=0;t<32;t++)this.chars[t].copy(e.chars[t])},isEmpty:function(){for(var e=!0,t=0;t<32;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e},setCursor:function(e){this.pos!==e&&(this.pos=e),this.pos<0?(_.log("ERROR","Negative cursor position "+this.pos),this.pos=0):32<this.pos&&(_.log("ERROR","Too large cursor position "+this.pos),this.pos=32)},moveCursor:function(e){var t=this.pos+e;if(1<e)for(var n=this.pos+1;n<t+1;n++)this.chars[n].setPenState(this.currPenState);this.setCursor(t)},backSpace:function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},insertChar:function(e){144<=e&&this.backSpace();var t=o(e);32<=this.pos?_.log("ERROR","Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1))},clearFromPos:function(e){for(var t=e;t<32;t++)this.chars[t].reset()},clear:function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},clearToEndOfRow:function(){this.clearFromPos(this.pos)},getTextString:function(){for(var e=[],t=!0,n=0;n<32;n++){var r=this.chars[n].uchar;" "!==r&&(t=!1),e.push(r)}return t?"":e.join("")},setPenStyles:function(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)}},i.prototype={reset:function(){for(var e=0;e<15;e++)this.rows[e].clear();this.currRow=14},equals:function(e){for(var t=!0,n=0;n<15;n++)if(!this.rows[n].equals(e.rows[n])){t=!1;break}return t},copy:function(e){for(var t=0;t<15;t++)this.rows[t].copy(e.rows[t])},isEmpty:function(){for(var e=!0,t=0;t<15;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e},backSpace:function(){this.rows[this.currRow].backSpace()},clearToEndOfRow:function(){this.rows[this.currRow].clearToEndOfRow()},insertChar:function(e){this.rows[this.currRow].insertChar(e)},setPen:function(e){this.rows[this.currRow].setPenStyles(e)},moveCursor:function(e){this.rows[this.currRow].moveCursor(e)},setCursor:function(e){_.log("INFO","setCursor: "+e),this.rows[this.currRow].setCursor(e)},setPAC:function(e){_.log("INFO","pacData = "+JSON.stringify(e));var t=e.row-1;this.nrRollUpRows&&t<this.nrRollUpRows-1&&(t=this.nrRollUpRows-1),this.currRow=t;var n=this.rows[this.currRow];null!==e.indent&&(t=e.indent,t=Math.max(t-1,0),n.setCursor(e.indent),e.color=n.chars[t].penState.foreground);e={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(e)},setBkgData:function(e){_.log("INFO","bkgData = "+JSON.stringify(e)),this.backSpace(),this.setPen(e),this.insertChar(32)},setRollUpRows:function(e){this.nrRollUpRows=e},rollUp:function(){var e;null!==this.nrRollUpRows?(_.log("TEXT",this.getDisplayText()),e=this.currRow+1-this.nrRollUpRows,(e=this.rows.splice(e,1)[0]).clear(),this.rows.splice(this.currRow,0,e),_.log("INFO","Rolling up")):_.log("DEBUG","roll_up but nrRollUpRows not set yet")},getDisplayText:function(e){e=e||!1;for(var t,n=[],r="",i=0;i<15;i++){var a=this.rows[i].getTextString();a&&(t=i+1,e?n.push("Row "+t+': "'+a+'"'):n.push(a.trim()))}return r=0<n.length?e?"["+n.join(" | ")+"]":n.join("\n"):r},getTextAndFormat:function(){return this.rows}},a.prototype={modes:["MODE_ROLL-UP","MODE_POP-ON","MODE_PAINT-ON","MODE_TEXT"],reset:function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.lastCueEndTime=null},getHandler:function(){return this.outputFilter},setHandler:function(e){this.outputFilter=e},setPAC:function(e){this.writeScreen.setPAC(e)},setBkgData:function(e){this.writeScreen.setBkgData(e)},setMode:function(e){e!==this.mode&&(this.mode=e,_.log("INFO","MODE="+e),"MODE_POP-ON"==this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=e)},insertChars:function(e){for(var t=0;t<e.length;t++)this.writeScreen.insertChar(e[t]);var n=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";_.log("INFO",n+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(_.log("TEXT","DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},cc_RCL:function(){_.log("INFO","RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},cc_BS:function(){_.log("INFO","BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},cc_AOF:function(){},cc_AON:function(){},cc_DER:function(){_.log("INFO","DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},cc_RU:function(e){_.log("INFO","RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)},cc_FON:function(){_.log("INFO","FON - Flash On"),this.writeScreen.setPen({flash:!0})},cc_RDC:function(){_.log("INFO","RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},cc_TR:function(){_.log("INFO","TR"),this.setMode("MODE_TEXT")},cc_RTD:function(){_.log("INFO","RTD"),this.setMode("MODE_TEXT")},cc_EDM:function(){_.log("INFO","EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate()},cc_CR:function(){_.log("CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate()},cc_ENM:function(){_.log("INFO","ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},cc_EOC:function(){var e;_.log("INFO","EOC - End Of Caption"),"MODE_POP-ON"===this.mode&&(e=this.displayedMemory,this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,_.log("TEXT","DISP: "+this.displayedMemory.getDisplayText())),this.outputDataUpdate()},cc_TO:function(e){_.log("INFO","TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)},cc_MIDROW:function(e){var t={flash:!1};t.underline=e%2==1,t.italics=46<=e,t.italics?t.foreground="white":(e=Math.floor(e/2)-16,t.foreground=["white","green","blue","cyan","red","yellow","magenta"][e]),_.log("INFO","MIDROW: "+JSON.stringify(t)),this.writeScreen.setPen(t)},outputDataUpdate:function(){var e=_.time;null!==e&&this.outputFilter&&(this.outputFilter.updateData&&this.outputFilter.updateData(e,this.displayedMemory),null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.lastOutputScreen),this.cueStartTime=this.displayedMemory.isEmpty()?null:e):this.cueStartTime=e,this.lastOutputScreen.copy(this.displayedMemory))},cueSplitAtTime:function(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))}},l.prototype={getHandler:function(e){return this.channels[e].getHandler()},setHandler:function(e,t){this.channels[e].setHandler(t)},addData:function(e,t){var n,r=!1;this.lastTime=e,_.setTime(e);for(var i=0;i<t.length;i+=2){var a=127&t[i],o=127&t[i+1];16<=a&&a<=31&&a===this.lastCmdA&&o===this.lastCmdB?(this.lastCmdA=null,this.lastCmdB=null,_.log("DEBUG","Repeated command ("+s([a,o])+") is dropped")):0!=a||0!=o?(_.log("DATA","["+s([t[i],t[i+1]])+"] -> ("+s([a,o])+")"),(n=(n=(n=(n=this.parseCmd(a,o))||this.parseMidrow(a,o))||this.parsePAC(a,o))||this.parseBackgroundAttributes(a,o))||(r=this.parseChars(a,o))&&(this.currChNr&&0<=this.currChNr?this.channels[this.currChNr-1].insertChars(r):_.log("WARNING","No channel found yet. TEXT-MODE?")),n?this.dataCounters.cmd+=2:r?this.dataCounters.char+=2:(this.dataCounters.other+=2,_.log("WARNING","Couldn't parse cleaned data "+s([a,o])+" orig: "+s([t[i],t[i+1]])))):this.dataCounters.padding+=2}},parseCmd:function(e,t){var n=null;if(!((20===e||21===e||28===e||29===e)&&32<=t&&t<=47)&&!((23===e||31===e)&&33<=t&&t<=35))return!1;var n=20===e||21===e||23===e?1:2,r=this.channels[n-1];return 20===e||21===e||28===e||29===e?32===t?r.cc_RCL():33===t?r.cc_BS():34===t?r.cc_AOF():35===t?r.cc_AON():36===t?r.cc_DER():37===t?r.cc_RU(2):38===t?r.cc_RU(3):39===t?r.cc_RU(4):40===t?r.cc_FON():41===t?r.cc_RDC():42===t?r.cc_TR():43===t?r.cc_RTD():44===t?r.cc_EDM():45===t?r.cc_CR():46===t?r.cc_ENM():47===t&&r.cc_EOC():r.cc_TO(t-32),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=n,!0},parseMidrow:function(e,t){var n=null;if((17===e||25===e)&&32<=t&&t<=47){if((n=17===e?1:2)!==this.currChNr)return _.log("ERROR","Mismatch channel in midrow parsing"),!1;n=this.channels[n-1];return n.insertChars([32]),n.cc_MIDROW(t),_.log("DEBUG","MIDROW ("+s([e,t])+")"),this.lastCmdA=e,this.lastCmdB=t,!0}return!1},parsePAC:function(e,t){var n=null;if(!((17<=e&&e<=23||25<=e&&e<=31)&&64<=t&&t<=127)&&!((16===e||24===e)&&64<=t&&t<=95))return!1;var r=e<=23?1:2,n=(64<=t&&t<=95?1==r?f:h:1==r?c:g)[e],n=this.interpretPAC(n,t);return this.channels[r-1].setPAC(n),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},interpretPAC:function(e,t){var n=t,e={color:null,italics:!1,indent:null,underline:!1,row:e},n=95<t?t-96:t-64;return e.underline=1==(1&n),n<=13?e.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(n/2)]:n<=15?(e.italics=!0,e.color="white"):e.indent=4*Math.floor((n-16)/2),e},parseChars:function(e,t){var n,r=null,i=null,a=null;return 17<=(a=25<=e?(r=2,e-8):(r=1,e))&&a<=19?(n=t,n=17===a?t+80:18===a?t+112:t+144,_.log("INFO","Special char '"+o(n)+"' in channel "+r),i=[n],this.lastCmdA=e,this.lastCmdB=t):32<=e&&e<=127&&(i=0===t?[e]:[e,t],this.lastCmdA=null,this.lastCmdB=null),i&&(t=s(i),_.log("DEBUG","Char codes =  "+t.join(","))),i},parseBackgroundAttributes:function(e,t){var n,r;return((16===e||24===e)&&32<=t&&t<=47||(23===e||31===e)&&45<=t&&t<=47)&&(n={},16===e||24===e?(r=Math.floor((t-32)/2),n.background=p[r],t%2==1&&(n.background=n.background+"_semi")):45===t?n.background="transparent":(n.foreground="black",47===t&&(n.underline=!0)),r=e<24?1:2,this.channels[r-1].setBkgData(n),this.lastCmdA=e,this.lastCmdB=t,!0)},reset:function(){for(var e=0;e<this.channels.length;e++)this.channels[e]&&this.channels[e].reset();this.lastCmdA=null,this.lastCmdB=null},cueSplitAtTime:function(e){for(var t=0;t<this.channels.length;t++)this.channels[t]&&this.channels[t].cueSplitAtTime(e)}},t.logger=_,t.PenState=u,t.CaptionScreen=i,t.Cea608Parser=l,t.findCea608Nalus=function(e,t,n){for(var r,i=t,a=[];i<t+n;){if(r=e.getUint32(i),6==(31&e.getUint8(i+4)))for(var o=i+5,s=-1;o<i+4+r-1;){for(var s=0,u=255;255===u;)s+=u=e.getUint8(o),o++;for(var l=0,u=255;255===u;)l+=u=e.getUint8(o),o++;!function(e,t,n,r){if(4!==e||t<8)return null;var i=n.getUint8(r),e=n.getUint16(r+1),t=n.getUint32(r+3),r=n.getUint8(r+7);return 181==i&&49==e&&1195456820==t&&3==r}(s,l,e,o)||a.push([o,l]),o+=l}i+=r+4}return a},t.extractCea608DataFromRange=function(e,t){var n=t[0],r=[[],[]];n+=8;var i=31&e.getUint8(n);n+=2;for(var a=0;a<i;a++){var o=e.getUint8(n),s=4&o,u=3&o;n++;var l=e.getUint8(n);n++;o=e.getUint8(n);n++,s&&(127&l)+(127&o)!=0&&(0==u?(r[0].push(l),r[0].push(o)):1==u&&(r[1].push(l),r[1].push(o)))}return r}}),x=t(function(e,t){function r(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function n(){!function(e){if(!(e instanceof n))throw new TypeError("Cannot call a class as a function")}(this),this.init()}Object.defineProperty(t,"__esModule",{value:!0});var i=new(function(e,t,n){return t&&r(e.prototype,t),n&&r(e,n),e}(n,[{key:"init",value:function(){this.STREAM="stream",this.VIDEO="video",this.AUDIO="audio",this.TEXT="text",this.FRAGMENTED_TEXT="fragmentedText",this.EMBEDDED_TEXT="embeddedText",this.MUXED="muxed",this.IMAGE="image",this.STPP="stpp",this.TTML="ttml",this.VTT="vtt",this.WVTT="wvtt",this.ABR_STRATEGY_DYNAMIC="abrDynamic",this.ABR_STRATEGY_BOLA="abrBola",this.ABR_STRATEGY_L2A="abrL2A",this.ABR_STRATEGY_LoLP="abrLoLP",this.ABR_STRATEGY_THROUGHPUT="abrThroughput",this.ABR_FETCH_THROUGHPUT_CALCULATION_DOWNLOADED_DATA="abrFetchThroughputCalculationDownloadedData",this.ABR_FETCH_THROUGHPUT_CALCULATION_MOOF_PARSING="abrFetchThroughputCalculationMoofParsing",this.LIVE_CATCHUP_MODE_DEFAULT="liveCatchupModeDefault",this.LIVE_CATCHUP_MODE_LOLP="liveCatchupModeLoLP",this.MOVING_AVERAGE_SLIDING_WINDOW="slidingWindow",this.MOVING_AVERAGE_EWMA="ewma",this.BAD_ARGUMENT_ERROR="Invalid Arguments",this.MISSING_CONFIG_ERROR="Missing config 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