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++,r
=0){if(t
>=e
.length
)return void i();for(var a
=e
[t
].units
;!(r
>=a
.length
);r
++){var n
=a
[r
];if(!(n
.data
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<=48||1!==n
.type
&&5!==n
.type
)){var s
=this.decrypter
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,r
,i
,n
,s
),!s
)return}}}},e
}(),R
={video
:1,audio
:2,id3
:3,text
:4},A=function(){function e(e
,t
,r
,i
){this.observer
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,this.config
=r
,this.typeSupported
=i
,this.remuxer
=t
,this.sampleAes
=null,this.pmtUnknownTypes
={}}var t
=e
.prototype;return t
.setDecryptData=function(e
){null!=e
&&null!=e
.key
&&"SAMPLE-AES"===e
.method
?this.sampleAes
=new _(this.observer
,this.config
,e
,this.discardEPB
):this.sampleAes
=null},e
.probe=function(t
){var r
=e
._syncOffset(t
);return!(r
<0)&&(r
&&o
.b
.warn("MPEG2-TS detected but first sync word found @ offset "+r
+", junk ahead ?"),!0)},e
._syncOffset=function(e
){for(var t
=Math
.min(1e3
,e
.length
-564),r
=0;r
<t
;){if(71===e
[r
]&&71===e
[r
+188]&&71===e
[r
+376])return r
;r
++}return-1},e
.createTrack=function(e
,t
){return{container
:"video"===e
||"audio"===e
?"video/mp2t":void 0,type
:e
,id
:R
[e
],pid
:-1,inputTimeScale
:9e4
,sequenceNumber
:0,samples
:[],dropped
:"video"===e
?0:void 0,isAAC
:"audio"===e
||void 0,duration
:"audio"===e
?t
:void 0}},t
.resetInitSegment=function(t
,r
,i
,a
){this.pmtParsed
=!1,this._pmtId
=-1,this.pmtUnknownTypes
={},this._avcTrack
=e
.createTrack("video",a
),this._audioTrack
=e
.createTrack("audio",a
),this._id3Track
=e
.createTrack("id3",a
),this._txtTrack
=e
.createTrack("text",a
),this.aacOverFlow
=null,this.aacLastPTS
=null,this.avcSample
=null,this.audioCodec
=r
,this.videoCodec
=i
,this._duration
=a
},t
.resetTimeStamp=function(){},t
.append=function(t
,r
,n
,s
){var l
,d
,u
,c
,h
,f
=t
.length
,g
=!1;this.pmtUnknownTypes
={},this.contiguous
=n
;var p
=this.pmtParsed
,v
=this._avcTrack
,m
=this._audioTrack
,y
=this._id3Track
,b
=v
.pid
,T
=m
.pid
,E
=y
.pid
,S
=this._pmtId
,_
=v
.pesData
,R
=m
.pesData
,A
=y
.pesData
,k
=this._parsePAT
,w
=this._parsePMT
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=this._parsePES
,D
=this._parseAVCPES
.bind(this),O
=this._parseAACPES
.bind(this),C
=this._parseMPEGPES
.bind(this),I
=this._parseID3PES
.bind(this),P
=e
._syncOffset(t
);for(f
-=(f
+P
)%188,l
=P
;l
<f
;l
+=188)if(71===t
[l
]){if(d
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[l
+1]),u
=((31&t
[l
+1])<<8)+t
[l
+2],(48&t
[l
+3])>>4>1){if((c
=l
+5+t
[l
+4])===l
+188)continue}else c
=l
+4;switch(u
){case b
:d
&&(_
&&(h
=L(_
))&&D(h
,!1),_
={data
:[],size
:0}),_
&&(_
.data
.push(t
.subarray(c
,l
+188)),_
.size
+=l
+188-c
);break;case T
:d
&&(R
&&(h
=L(R
))&&(m
.isAAC
?O(h
):C(h
)),R
={data
:[],size
:0}),R
&&(R
.data
.push(t
.subarray(c
,l
+188)),R
.size
+=l
+188-c
);break;case E
:d
&&(A
&&(h
=L(A
))&&I(h
),A
={data
:[],size
:0}),A
&&(A
.data
.push(t
.subarray(c
,l
+188)),A
.size
+=l
+188-c
);break;case 0:d
&&(c
+=t
[c
]+1),S
=this._pmtId
=k(t
,c
);break;case S
:d
&&(c
+=t
[c
]+1);var x
=w(t
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,!0===this.typeSupported
.mpeg
||!0===this.typeSupported
.mp3
,null!=this.sampleAes
);(b
=x
.avc
)>0&&(v
.pid
=b
),(T
=x
.audio
)>0&&(m
.pid
=T
,m
.isAAC
=x
.isAAC
),(E
=x
.id3
)>0&&(y
.pid
=E
),g
&&!p
&&(o
.b
.log("reparse from beginning"),g
=!1,l
=P
-188),p
=this.pmtParsed
=!0;break;case 17:case 8191:break;default:g
=!0}}else this.observer
.trigger(i
.a
.ERROR
,{type
:a
.b
.MEDIA_ERROR
,details
:a
.a
.FRAG_PARSING_ERROR
,fatal
:!1,reason
:"TS packet did not start with 0x47"});_
&&(h
=L(_
))?(D(h
,!0),v
.pesData
=null):v
.pesData
=_
,R
&&(h
=L(R
))?(m
.isAAC
?O(h
):C(h
),m
.pesData
=null):(R
&&R
.size
&&o
.b
.log("last AAC PES packet truncated,might overlap between fragments"),m
.pesData
=R
),A
&&(h
=L(A
))?(I(h
),y
.pesData
=null):y
.pesData
=A
,null==this.sampleAes
?this.remuxer
.remux(m
,v
,y
,this._txtTrack
,r
,n
,s
):this.decryptAndRemux(m
,v
,y
,this._txtTrack
,r
,n
,s
)},t
.decryptAndRemux=function(e
,t
,r
,i
,a
,n
,s
){if(e
.samples
&&e
.isAAC
){var o
=this;this.sampleAes
.decryptAacSamples(e
.samples
,0,(function(){o
.decryptAndRemuxAvc(e
,t
,r
,i
,a
,n
,s
)}))}else this.decryptAndRemuxAvc(e
,t
,r
,i
,a
,n
,s
)},t
.decryptAndRemuxAvc=function(e
,t
,r
,i
,a
,n
,s
){if(t
.samples
){var o
=this;this.sampleAes
.decryptAvcSamples(t
.samples
,0,0,(function(){o
.remuxer
.remux(e
,t
,r
,i
,a
,n
,s
)}))}else this.remuxer
.remux(e
,t
,r
,i
,a
,n
,s
)},t
.destroy=function(){this._initPTS
=this._initDTS
=void 0,this._duration
=0},t
._parsePAT=function(e
,t
){return(31&e
[t
+10])<<8|e
[t
+11]},t
._trackUnknownPmt=function(e
,t
,r
){var i
=this.pmtUnknownTypes
[e
]||0;return 0===i
&&(this.pmtUnknownTypes
[e
]=0,t
.call(o
.b
,r
)),this.pmtUnknownTypes
[e
]++,i
},t
._parsePMT=function(e
,t
,r
,i
){var a
,n
,s
={audio
:-1,avc
:-1,id3
:-1,isAAC
:!0};for(a
=t
+3+((15&e
[t
+1])<<8|e
[t
+2])-4,t
+=12+((15&e
[t
+10])<<8|e
[t
+11]);t
<a
;){switch(n
=(31&e
[t
+1])<<8|e
[t
+2],e
[t
]){case 207:if(!i
){this._trackUnknownPmt(e
[t
],o
.b
.warn
,"ADTS AAC with AES-128-CBC frame encryption found in unencrypted stream");break}case 15:-1===s
.audio
&&(s
.audio
=n
);break;case 21:-1===s
.id3
&&(s
.id3
=n
);break;case 219:if(!i
){this._trackUnknownPmt(e
[t
],o
.b
.warn
,"H.264 with AES-128-CBC slice encryption found in unencrypted stream");break}case 27:-1===s
.avc
&&(s
.avc
=n
);break;case 3:case 4:r
?-1===s
.audio
&&(s
.audio
=n
,s
.isAAC
=!1):this._trackUnknownPmt(e
[t
],o
.b
.warn
,"MPEG audio found, not supported in this browser");break;case 36:this._trackUnknownPmt(e
[t
],o
.b
.warn
,"Unsupported HEVC stream type found");break;default:this._trackUnknownPmt(e
[t
],o
.b
.log
,"Unknown stream type:"+e
[t
])}t
+=5+((15&e
[t
+3])<<8|e
[t
+4])}return s
},t
._parsePES=function(e
){var t
,r
,i
,a
,n
,s
,l
,d
,u
=0,c
=e
.data
;if(!e
||0===e
.size
)return null;for(;c
[0].length
<19&&c
.length
>1;){var h
=new Uint8Array(c
[0].length
+c
[1].length
);h
.set(c
[0]),h
.set(c
[1],c
[0].length
),c
[0]=h
,c
.splice(1,1)}if(1===((t
=c
[0])[0]<<16)+(t
[1]<<8)+t
[2]){if((i
=(t
[4]<<8)+t
[5])&&i
>e
.size
-6)return null;if(192&(r
=t
[7])&&(s
=536870912*(14&t
[9])+4194304*(255&t
[10])+16384*(254&t
[11])+128*(255&t
[12])+(254&t
[13])/2,64&r
?s
-(l
=536870912*(14&t
[14])+4194304*(255&t
[15])+16384*(254&t
[16])+128*(255&t
[17])+(254&t
[18])/2)>54e5&&(o.b.warn(Math.round((s-l)/9e4
)+"s delta between PTS and DTS, align them"),s
=l
):l
=s
),d
=(a
=t
[8])+9,e
.size
<=d
)return null;e
.size
-=d
,n
=new Uint8Array(e
.size
);for(var f
=0,g
=c
.length
;f
<g
;f
++){var p
=(t
=c
[f
]).byteLength
;if(d
){if(d
>p
){d
-=p
;continue}t
=t
.subarray(d
),p
-=d
,d
=0}n
.set(t
,u
),u
+=p
}return i
&&(i
-=a
+3),{data
:n
,pts
:s
,dts
:l
,len
:i
}}return null},t
.pushAccesUnit=function(e
,t
){if(e
.units
.length
&&e
.frame
){var r
=t
.samples
,i
=r
.length
;if(isNaN(e
.pts
)){if(!i
)return void t
.dropped
++;var a
=r
[i
-1];e
.pts
=a
.pts
,e
.dts
=a
.dts
}!this.config
.forceKeyFrameOnDiscontinuity
||!0===e
.key
||t
.sps
&&(i
||this.contiguous
)?(e
.id
=i
,r
.push(e
)):t
.dropped
++}e
.debug
.length
&&o
.b
.log(e
.pts
+"/"+e
.dts
+":"+e
.debug
)},t
._parseAVCPES=function(e
,t
){var r
,i
,a
,n
=this,s
=this._avcTrack
,o
=this._parseAVCNALu(e
.data
),l
=this.avcSample
,d
=!1,u
=this.pushAccesUnit
.bind(this),c=function(e
,t
,r
,i
){return{key
:e
,pts
:t
,dts
:r
,units
:[],debug
:i
}};e
.data
=null,l
&&o
.length
&&!s
.audFound
&&(u(l
,s
),l
=this.avcSample
=c(!1,e
.pts
,e
.dts
,"")),o
.forEach((function(t
){switch(t
.type
){case 1:i
=!0,l
||(l
=n
.avcSample
=c(!0,e
.pts
,e
.dts
,"")),l
.frame
=!0;var o
=t
.data
;if(d
&&o
.length
>4){var h
=new S(o
).readSliceType();2!==h
&&4!==h
&&7!==h
&&9!==h
||(l
.key
=!0)}break;case 5:i
=!0,l
||(l
=n
.avcSample
=c(!0,e
.pts
,e
.dts
,"")),l
.key
=!0,l
.frame
=!0;break;case 6:i
=!0,(r
=new S(n
.discardEPB(t
.data
))).readUByte();for(var f
=0,g
=0,p
=!1,v
=0;!p
&&r
.bytesAvailable
>1;){f
=0;do{f
+=v
=r
.readUByte()}while(255===v
);g
=0;do{g
+=v
=r
.readUByte()}while(255===v
);if(4===f
&&0!==r
.bytesAvailable
){if(p
=!0,181===r
.readUByte())if(49===r
.readUShort())if(1195456820===r
.readUInt())if(3===r
.readUByte()){var y
=r
.readUByte(),b
=31&y
,T
=[y
,r
.readUByte()];for(a
=0;a
<b
;a
++)T
.push(r
.readUByte()),T
.push(r
.readUByte()),T
.push(r
.readUByte());n
._insertSampleInOrder(n
._txtTrack
.samples
,{type
:3,pts
:e
.pts
,bytes
:T
})}}else if(5===f
&&0!==r
.bytesAvailable
){if(p
=!0,g
>16){var E
=[];for(a
=0;a
<16;a
++)E
.push(r
.readUByte().toString(16)),3!==a
&&5!==a
&&7!==a
&&9!==a
||E
.push("-");var _
=g
-16,R
=new Uint8Array(_
);for(a
=0;a
<_
;a
++)R
[a
]=r
.readUByte();n
._insertSampleInOrder(n
._txtTrack
.samples
,{pts
:e
.pts
,payloadType
:f
,uuid
:E
.join(""),userDataBytes
:R
,userData
:Object(m
.b
)(R
.buffer
)})}}else if(g
<r
.bytesAvailable
)for(a
=0;a
<g
;a
++)r
.readUByte()}break;case 7:if(i
=!0,d
=!0,!s
.sps
){var A
=(r
=new S(t
.data
)).readSPS();s
.width
=A
.width
,s
.height
=A
.height
,s
.pixelRatio
=A
.pixelRatio
,s
.sps
=[t
.data
],s
.duration
=n
._duration
;var k
=t
.data
.subarray(1,4),w
="avc1.";for(a
=0;a
<3;a
++){var L
=k
[a
].toString(16);L
.length
<2&&(L
="0"+L
),w
+=L
}s
.codec
=w
}break;case 8:i
=!0,s
.pps
||(s
.pps
=[t
.data
]);break;case 9:i
=!1,s
.audFound
=!0,l
&&u(l
,s
),l
=n
.avcSample
=c(!1,e
.pts
,e
.dts
,"");break;case 12:i
=!1;break;default:i
=!1,l
&&(l
.debug
+="unknown NAL "+t
.type
+" ")}l
&&i
&&l
.units
.push(t
)})),t
&&l
&&(u(l
,s
),this.avcSample
=null)},t
._insertSampleInOrder=function(e
,t
){var r
=e
.length
;if(r
>0){if(t
.pts
>=e
[r
-1].pts
)e
.push(t
);else for(var i
=r
-1;i
>=0;i
--)if(t
.pts
<e
[i
].pts
){e
.splice(i
,0,t
);break}}else e
.push(t
)},t
._getLastNalUnit=function(){var e
,t
=this.avcSample
;if(!t
||0===t
.units
.length
){var r
=this._avcTrack
.samples
;t
=r
[r
.length
-1]}if(t
){var i
=t
.units
;e
=i
[i
.length
-1]}return e
},t
._parseAVCNALu=function(e
){var t
,r
,i
,a
,n
=0,s
=e
.byteLength
,o
=this._avcTrack
,l
=o
.naluState
||0,d
=l
,u
=[],c
=-1;for(-1===l
&&(c
=0,a
=31&e
[0],l
=0,n
=1);n
<s
;)if(t
=e
[n
++],l
)if(1!==l
)if(t
)if(1===t
){if(c
>=0)i
={data
:e
.subarray(c
,n
-l
-1),type
:a
},u
.push(i
);else{var h
=this._getLastNalUnit();if(h
&&(d
&&n
<=4-d
&&h
.state
&&(h
.data
=h
.data
.subarray(0,h
.data
.byteLength
-d
)),(r
=n
-l
-1)>0)){var f
=new Uint8Array(h
.data
.byteLength
+r
);f
.set(h
.data
,0),f
.set(e
.subarray(0,r
),h
.data
.byteLength
),h
.data
=f
}}n
<s
?(c
=n
,a
=31&e
[n
],l
=0):l
=-1}else l
=0;else l
=3;else l
=t
?0:2;else l
=t
?0:1;if(c
>=0&&l
>=0&&(i
={data
:e
.subarray(c
,s
),type
:a
,state
:l
},u
.push(i
)),0===u
.length
){var g
=this._getLastNalUnit();if(g
){var p
=new Uint8Array(g
.data
.byteLength
+e
.byteLength
);p
.set(g
.data
,0),p
.set(e
,g
.data
.byteLength
),g
.data
=p
}}return o
.naluState
=l
,u
},t
.discardEPB=function(e
){for(var t
,r
,i
=e
.byteLength
,a
=[],n
=1;n
<i
-2;)0===e
[n
]&&0===e
[n
+1]&&3===e
[n
+2]?(a
.push(n
+2),n
+=2):n
++;if(0===a
.length
)return e
;t
=i
-a
.length
,r
=new Uint8Array(t
);var s
=0;for(n
=0;n
<t
;s
++,n
++)s
===a
[0]&&(s
++,a
.shift()),r
[n
]=e
[s
];return r
},t
._parseAACPES=function(e
){var t
,r
,n
,s
,l
,d
,u
,c
=this._audioTrack
,f
=e
.data
,m
=e
.pts
,y
=this.aacOverFlow
,b
=this.aacLastPTS
;if(y
){var T
=new Uint8Array(y
.byteLength
+f
.byteLength
);T
.set(y
,0),T
.set(f
,y
.byteLength
),f
=T
}for(n
=0,l
=f
.length
;n
<l
-1&&!h(f
,n
);n
++);if(n
&&(n
<l
-1?(d
="AAC PES did not start with ADTS header,offset:"+n
,u
=!1):(d
="no ADTS header found in AAC PES",u
=!0),o
.b
.warn("parsing error:"+d
),this.observer
.trigger(i
.a
.ERROR
,{type
:a
.b
.MEDIA_ERROR
,details
:a
.a
.FRAG_PARSING_ERROR
,fatal
:u
,reason
:d
}),u
))return;if(g(c
,this.observer
,f
,n
,this.audioCodec
),r
=0,t
=p(c
.samplerate
),y
&&b
){var E
=b
+t
;Math
.abs(E
-m
)>1&&(o
.b
.log("AAC: align PTS for overlapping frames by "+Math
.round((E
-m
)/90)),m
=E
)}for(;n
<l
;){if(h(f
,n
)){if(n
+5<l
){var S
=v(c
,f
,n
,m
,r
);if(S
){n
+=S
.length
,s
=S
.sample
.pts
,r
++;continue}}break}n
++}y
=n
<l
?f
.subarray(n
,l
):null,this.aacOverFlow
=y
,this.aacLastPTS
=s
},t
._parseMPEGPES=function(e
){for(var t
=e
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"})},t.remuxVideo=function(e,t,r,n){var s,l,d,u,c,h=e.timescale,f=e.samples,g=[],p=f.length,v=this._initPTS,m=8,y=Number.POSITIVE_INFINITY,b=Number.NEGATIVE_INFINITY,T=0,E=!1,S=this.nextAvcDts;if(0!==p){if(!r)S=t*h-(f[0].pts-F(f[0].dts,f[0].pts));for(var _=0;_<p;_++){var R=f[_];R.pts=F(R.pts-v,S),R.dts=F(R.dts-v,S),R.dts>R.pts&&(T=Math.max(Math.min(T,R.pts-R.dts),-1*x)),R.dts<f[_>0?_-1:_].dts&&(E=!0)}E&&f.sort((function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i||e.id-t.id})),u=f[0].dts,c=f[p-1].dts;var A=Math.round((c-u)/(p-1));if(T<0){if(T<-2*A){o.b.warn("PTS
< DTS detected
in video samples
, offsetting DTS
from PTS by
"+C(-A,!0)+" ms
");for(var k=T,w=0;w<p;w++)f[w].dts=k=Math.max(k,f[w].pts-A),f[w].pts=Math.max(k,f[w].pts)}else{o.b.warn("PTS
< DTS detected
in video samples
, shifting DTS by
"+C(T,!0)+" ms to overcome
this issue
");for(var L=0;L<p;L++)f[L].dts=f[L].dts+T}u=f[0].dts,c=f[p-1].dts}if(r){var O=u-S,I=O>A;if(I||O<-1){I?o.b.warn("AVC
: "+C(O,!0)+" ms ("+O+"dts
) hole between fragments detected
, filling it
"):o.b.warn("AVC
: "+C(-O,!0)+" ms ("+O+"dts
) overlapping between fragments detected
"),u=S;var P=f[0].pts-O;f[0].dts=u,f[0].pts=P,o.b.log("Video
: First PTS
/DTS adjusted
: "+C(P,!0)+"/"+C(u,!0)+", delta: "+C(O,!0)+" ms")}}M&&M<75&&(u=Math.max(0,u));for(var U=0,N=0,B=0;B<p;B++){for(var G=f[B],K=G.units,j=K.length,H=0,V=0;V<j;V++)H+=K[V].data.length;N+=H,U+=j,G.length=H,G.dts=Math.max(G.dts,u),G.pts=Math.max(G.pts,G.dts,0),y=Math.min(G.pts,y),b=Math.max(G.pts,b)}c=f[p-1].dts;var Y=N+4*U+8;try{l=new Uint8Array(Y)}catch(e){return void this.observer.trigger(i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:Y,reason:"fail allocating video mdat "+Y})}var W=new DataView(l.buffer);W.setUint32(0,Y),l.set(D.types.mdat,4);for(var q=0;q<p;q++){for(var X,z=f[q],Q=z.units,$=0,J=0,Z=Q.length;J<Z;J++){var ee=Q[J],te=ee.data,re=ee.data.byteLength;W.setUint32(m,re),m+=4,l.set(te,m),m+=re,$+=4+re}if(q<p-1)s=f[q+1].dts-z.dts;else{var ie=this.config,ae=z.dts-f[q>0?q-1:q].dts;if(ie.stretchShortVideoTrack){var ne=ie.maxBufferHole,se=Math.floor(ne*h),oe=(n?y+n*h:this.nextAudioPts)-z.pts;oe>se?((s=oe-ae)<0&&(s=ae),o.b.log("It is approximately "+C(oe,!1)+" ms to the next segment; using duration "+C(s,!1)+" ms for the last video frame.")):s=ae}else s=ae}X=Math.round(z.pts-z.dts),g.push({size:$,duration:s,cts:X,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:z.key?2:1,isNonSync:z.key?0:1}})}this.nextAvcDts=c+s;var le=e.dropped;if(e.nbNalu=0,e.dropped=0,g.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var de=g[0].flags;de.dependsOn=2,de.isNonSync=0}e.samples=g,d=D.moof(e.sequenceNumber++,u,e),e.samples=[];var ue={data1:d,data2:l,startPTS:y/h
,endPTS
:(b
+s
)/h,startDTS:u/h
,endDTS
:this.nextAvcDts
/h,type:"video",hasAudio:!1,hasVideo:!0,nb:g.length,dropped:le};return this.observer.trigger(i.a.FRAG_PARSING_DATA,ue),ue}},t.remuxAudio=function(e,t,r,n){var s,l,d,u,c,h,f=e.inputTimeScale,g=e.timescale,p=f/g,v
=(e
.isAAC
?1024:1152)*p
,m
=this._initPTS
,y
=!e
.isAAC
&&this.typeSupported
.mpeg
,b
=y
?0:8,T
=e
.samples
,E
=[],S
=this.nextAudioPts
;if(r
|=T
.length
&&S
&&(n
&&Math
.abs(t
-S
/f)<.1||Math.abs(T[0].pts-S-m)<20*v),T.forEach((function(e){e.pts=e.dts=F(e.pts-m,t*f)})),0!==(T=T.filter((function(e){return e.pts>=0}))).length){if(r||(S=n?Math.max(0,t*f):T[0].pts),e.isAAC)for(var _=this.config.maxAudioFramesDrift,R=0,A=S;R<T.length;){var k=T[R],L=k.pts,O=L-A;if(O<=-_*v)r||R>0?(o.b.warn("Dropping 1 audio frame @ "+C(A,!0)/1e3
+"s due to "+C(O
,!0)+" ms overlap."),T
.splice(R
,1)):(o
.b
.warn("Audio frame @ "+C(L
,!0)/1e3+"s overlaps nextAudioPts by "+C(O,!0)+" ms."),A=L+v,R++);else if(O>=_*v&&O<P&&A){var I=Math.round(O/v
);o
.b
.warn("Injecting "+I
+" audio frames @ "+C(A
,!0)/1e3+"s due to "+C(O,!0)+" ms gap.");for(var x=0;x<I;x++){var M=Math.max(A,0);(l=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),l=k.unit.subarray()),T.splice(R,0,{unit:l,pts:M,dts:M}),A+=v,R++}k.pts=k.dts=A,A+=v,R++}else Math.abs(O),k.pts=k.dts=A,A+=v,R++}for(var U=T.length,N=0;U--;)N+=T[U].unit.byteLength;for(var B=0,G=T.length;B<G;B++){var K=T[B],j=K.unit,H=K.pts;if(void 0!==h&&s)s.duration=Math.round((H-h)/p);else{var V
=H
-S
,Y
=0;if(r
&&e
.isAAC
&&V
){if(V
>0&&V
<P
)Y
=Math
.round((H
-S
)/v),o.b.log(C(V,!0)+" ms hole between AAC samples detected,filling it"),Y>0&&((l=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l=j.subarray()),N+=Y*l.length);else if(V<-12){o.b.log("drop overlapping AAC sample, expected/parsed/delta: "+C(S,!0)+" ms / "+C(H,!0)+" ms
/ "+C(-V,!0)+" ms
"),N-=j.byteLength;continue}H=S}if(c=H,!(N>0))return;N+=b;try{d=new Uint8Array(N)}catch(e){return void this.observer.trigger(i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:N,reason:"fail allocating audio mdat
"+N})}y||(new DataView(d.buffer).setUint32(0,N),d.set(D.types.mdat,4));for(var W=0;W<Y;W++)(l=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o.b.log("Unable to
get silent frame
for given audio codec
; duplicating
this frame instead
."),l=j.subarray()),d.set(l,b),b+=l.byteLength,s={size:l.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},E.push(s)}d.set(j,b);var q=j.byteLength;b+=q,s={size:q,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},E.push(s),h=H}var X=0;if((U=E.length)>=2&&(X=E[U-2].duration,s.duration=X),U){this.nextAudioPts=S=h+p*X,e.samples=E,u=y?new Uint8Array:D.moof(e.sequenceNumber++,c/p,e),e.samples=[];var z=c/f,Q=S/f,$={data1:u,data2:d,startPTS:z,endPTS:Q,startDTS:z,endDTS:Q,type:"audio
",hasAudio:!0,hasVideo:!1,nb:U};return this.observer.trigger(i.a.FRAG_PARSING_DATA,$),$}return null}},t.remuxEmptyAudio=function(e,t,r,i){var a=e.inputTimeScale,n=a/(e.samplerate?e.samplerate:a),s=this.nextAudioPts,l=(void 0!==s?s:i.startDTS*a)+this._initDTS,d=i.endDTS*a+this._initDTS,u=1024*n,c=Math.ceil((d-l)/u),h=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(o.b.warn("remux empty Audio
"),h){for(var f=[],g=0;g<c;g++){var p=l+g*u;f.push({unit:h,pts:p,dts:p})}e.samples=f,this.remuxAudio(e,t,r)}else o.b.trace("Unable to remuxEmptyAudio since we were unable to
get a silent frame
for given audio codec
!")},t.remuxID3=function(e,t){var r=e.samples.length;if(r){for(var a=e.inputTimeScale,n=this._initPTS,s=this._initDTS,o=0;o<r;o++){var l=e.samples[o];l.pts=F(l.pts-n,t*a)/a,l.dts=F(l.dts-s,t*a)/a}this.observer.trigger(i.a.FRAG_PARSING_METADATA,{samples:e.samples}),e.samples=[]}},t.remuxText=function(e,t){var r=e.samples.length,a=e.inputTimeScale,n=this._initPTS;if(r){for(var s=0;s<r;s++){var o=e.samples[s];o.pts=F(o.pts-n,t*a)/a}e.samples.sort((function(e,t){return e.pts-t.pts})),this.observer.trigger(i.a.FRAG_PARSING_USERDATA,{samples:e.samples})}e.samples=[]},e}(),B=function(){function e(e){this.observer=e}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(){},t.resetInitSegment=function(){},t.remux=function(e,t,r,a,n,s,o,l){var d=this.observer,u="";e&&(u+="audio
"),t&&(u+="video
"),d.trigger(i.a.FRAG_PARSING_DATA,{data1:l,startPTS:n,startDTS:n,type:u,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),d.trigger(i.a.FRAG_PARSED)},e}(),G=Object(l.a)();try{U=G.performance.now.bind(G.performance)}catch(e){o.b.debug("Unable to
use Performance API on
this environment
"),U=G.Date.now}var K=function(){function e(e,t,r,i){this.observer=e,this.typeSupported=t,this.config=r,this.vendor=i}var t=e.prototype;return t.destroy=function(){var e=this.demuxer;e&&e.destroy()},t.push=function(e,t,r,a,s,o,l,d,u,c,h,f){var g=this;if(e.byteLength>0&&null!=t&&null!=t.key&&"AES
-128"===t.method){var p=this.decrypter;null==p&&(p=this.decrypter=new n.a(this.observer,this.config));var v=U();p.decrypt(e,t.key.buffer,t.iv.buffer,(function(e){var n=U();g.observer.trigger(i.a.FRAG_DECRYPTED,{stats:{tstart:v,tdecrypt:n}}),g.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)}))}else this.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)},t.pushDecrypted=function(e,t,r,n,s,o,l,d,u,c,h,f){var g=this.demuxer,p=this.remuxer;if(!g||l||d){for(var v,m=this.observer,T=this.typeSupported,E=this.config,S=[{demux:A,remux:N},{demux:b.a,remux:B},{demux:y,remux:N},{demux:k,remux:N}],_=0,R=S.length;_<R&&!(v=S[_]).demux.probe(e);_++);if(!v)return void m.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching
with content found
"});p&&p instanceof v.remux||(p=new v.remux(m,E,T,this.vendor)),g&&g instanceof v.demux||(g=new v.demux(m,p,E,T),this.probe=v.demux.probe),this.demuxer=g,this.remuxer=p}(l||d)&&(g.resetInitSegment(r,n,s,c),p.resetInitSegment()),l&&(g.resetTimeStamp(f),p.resetTimeStamp(f)),"function"==typeof g.setDecryptData&&g.setDecryptData(t),g.append(e,o,u,h)},e}();t.a=K},function(e,t,r){"use strict
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:d
+g
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+=g
,n
=h
+=4}return{earliestPresentationTime
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:l
,version
:o
,referencesCount
:u
,references
:r
,moovEndOffset
:a
}},e
.parseInitSegment=function(t
){var r
=[];return e
.findBox(t
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){var a
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.b
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[o
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[c
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[a
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.data
[t
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.readUint32(t
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.writeUint32(t
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)}}))}))}))},t
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){var d
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=l
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-r
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.video
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e(e,t,r,i){this.config=e,this.media=t,this.fragmentTracker=r,this.hls=i,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1}var t=e.prototype;return t.poll=function(e){var t=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,o=!this.seeking&&n;if(this.seeking=n,a===e){if((o||s)&&(this.stalled=null),!r.paused&&!r.ended&&0!==r.playbackRate&&r.buffered.length){var l=H.bufferInfo(r,a,0),d=l.len>0,c=l.nextStart||0;if(d||c){if(n){var h=l.len>2,f=!c||c-a>2&&!this.fragmentTracker.getPartialFragment(a);if(h||f)return;this.moved=!1}if(!this.moved&&this.stalled){var g=Math.max(c,l.start||0)-a;if(g>0&&g<=2)return void this._trySkipBufferHole(null)}var p=self.performance.now();if(null!==i){var v=p-i;!n&&v>=250&&this._reportStall(l.len);var m=H.bufferInfo(r,a,t.maxBufferHole);this._tryFixBufferStall(m,v)}else this.stalled=p}}}else if(this.moved=!0,null!==i){if(this.stallReported){var y=self.performance.now()-i;u.b.warn("playback not stuck anymore @"+a+", after "+Math.round(y)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t._tryFixBufferStall=function(e,t){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(u.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,u.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer (buffer="+e+")"),t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,i=this.media,a=i.currentTime,n=0,s=0;s<i.buffered.length;s++){var l=i.buffered.start(s);if(a+t.maxBufferHole>=n&&a<l){var c=Math.max(l+.05,i.currentTime+.1);return u.b.warn("skipping hole, adjusting currentTime from "+a+" to "+c),this.moved=!0,this.stalled=null,i.currentTime=c,e&&r.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+a+" to "+c,frag:e}),c}n=i.buffered.end(s)}return 0},t._tryNudgeBuffer=function(){var e=this.config,t=this.hls,r=this.media,i=r.currentTime,a=(this.nudgeRetry||0)+1;if(this.nudgeRetry=a,a<e.nudgeMaxRetry){var n=i+a*e.nudgeOffset;u.b.warn("Nudging 'currentTime' from "+i+" to "+n),r.currentTime=n,t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else u.b.error("Playhead still not moving while enough data buffered @"+i+" after "+e.nudgeMaxRetry+" nudges"),t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!0})},e}();function fe(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}var ge=function(e){var t,r;function i(t){for(var r,i=arguments.length,a=new 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[n
-1].start
+a
[n
-1].duration
,d
=t
.end
;if(r
.initSegment
&&!r
.initSegment
.data
)s
=r
.initSegment
;else if(r
.live
){var c
=this.config
.initialLiveManifestSize
;if(n
<c
)return void u
.b
.warn("Can not start playback of a level, reason: not enough fragments "+n
+" < "+c
);if(null===(s
=this._ensureFragmentAtLivePoint(r
,d
,o
,l
,i
,a
)))return}else d
<o
&&(s
=a
[0]);s
||(s
=this._findFragment(o
,i
,n
,a
,d
,l
,r
)),s
&&(s
.encrypted
?this._loadKey(s
,r
):this._loadFragment(s
,r
,e
,d
))}},h
._ensureFragmentAtLivePoint=function(e
,t
,r
,i
,a
,n
){var s
,o
=this.hls
.config
,d
=this.media
,c
=1/0;if(void 0!==o.liveMaxLatencyDuration?c=o.liveMaxLatencyDuration:Object(l.a)(o.liveMaxLatencyDurationCount)&&(c=o.liveMaxLatencyDurationCount*e.targetduration),t<Math.max(r-o.maxFragLookUpTolerance,i-c)){var h=this.liveSyncPosition=this.computeLivePosition(r,e);t=h,d&&!d.paused&&d.readyState&&d.duration>h&&h>d.currentTime&&(u.b.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+h.toFixed(3)),d.currentTime=h),this.nextLoadPosition=h}if(e.PTSKnown&&t>i&&d&&d.readyState)return null;if(this.startFragRequested&&!e.PTSKnown&&a)if(e.hasProgramDateTime)u.b.log("live playlist, switching playlist, load frag with same PDT: "+a.programDateTime),s=le(n,a.endProgramDateTime,o.maxFragLookUpTolerance);else{var f=a.sn+1;if(f>=e.startSN&&f<=e.endSN){var g=n[f-e.startSN];a.cc===g.cc&&(s=g,u.b.log("live playlist, switching playlist, load frag with next SN: "+s.sn))}s||(s=j.search(n,(function(e){return a.cc-e.cc})))&&u.b.log("live playlist, switching playlist, load frag with same CC: "+s.sn)}return s},h._findFragment=function(e,t,r,i,a,n,s){var o,l=this.hls.config;a<n?o=de(t,i,a,a>n-l.maxFragLookUpTolerance?0:l.maxFragLookUpTolerance):o=i[r-1];if(o){var d=o.sn-s.startSN,c=t&&o.level===t.level,h=i[d-1],f=i[d+1];if(t&&o.sn===t.sn)if(c&&!o.backtracked)if(o.sn<s.endSN){var g=t.deltaPTS;g&&g>l.maxBufferHole&&t.dropped&&d?(o=h,u.b.warn("Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this")):(o=f,this.fragmentTracker.getState(o)!==G&&u.b.log("Re-loading fragment with SN: "+o.sn))}else o=null;else o.backtracked&&(f&&f.backtracked?(u.b.warn("Already backtracked from fragment "+f.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+f.sn),o=f):(u.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,h?(o=h).backtracked=!0:d&&(o=null)))}return o},h._loadKey=function(e,t){u.b.log("Loading key for "+e.sn+" of ["+t.startSN+"-"+t.endSN+"], level "+this.level),this.state=be,this.hls.trigger(d.a.KEY_LOADING,{frag:e})},h._loadFragment=function(e,t,r,i){var a=this.fragmentTracker.getState(e);this.fragCurrent=e,"initSegment"!==e.sn&&(this.startFragRequested=!0),Object(l.a)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||a===U||a===B?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,u.b.log("Loading "+e.sn+" of ["+t.startSN+"-"+t.endSN+"], level "+this.level+", "+(this.loadedmetadata?"currentTime":"nextLoadPosition")+": "+parseFloat(r.toFixed(3))+", bufferEnd: "+parseFloat(i.toFixed(3))),this.hls.trigger(d.a.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new J(this.hls,"main")),this.state=Te):a===N&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},h.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,n.MAIN)},h.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},h._checkFragmentChanged=function(){var e,t,r=this.media;if(r&&r.readyState&&!1===r.seeking&&((t=r.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=t),H.isBuffered(r,t)?e=this.getBufferedFrag(t):H.isBuffered(r,t+.1)&&(e=this.getBufferedFrag(t+.1)),e)){var i=e;if(i!==this.fragPlaying){this.hls.trigger(d.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(d.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=i}}},h.immediateLevelSwitch=function(){if(u.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var e,t=this.media;t?(e=t.paused)||t.pause():e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},h.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,e.currentTime>0&&H.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},h.nextLevelSwitch=function(){var e=this.media;if(e&&e.readyState){var t,r=this.getBufferedFrag(e.currentTime);if(r&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),e.paused)t=0;else{var i=this.hls.nextLoadLevel,a=this.levels[i],n=this.fragLastKbps;t=n&&this.fragCurrent?this.fragCurrent.duration*a.bitrate/(1e3
*n
)+1:0}var s
=this.getBufferedFrag(e
.currentTime
+t
);if(s
){var o
=this.followingBufferedFrag(s
);if(o
){var l
=this.fragCurrent
;l
&&l
.loader
&&l
.loader
.abort(),this.fragCurrent
=null;var d
=Math
.max(s
.endPTS
,o
.maxStartPTS
+Math
.min(this.config
.maxFragLookUpTolerance
,o
.duration
));this.flushMainBuffer(d
,Number
.POSITIVE_INFINITY
)}}}},h
.flushMainBuffer=function(e
,t
){this.state
=Ae
;var r
={startOffset
:e
,endOffset
:t
};this.altAudio
&&(r
.type
="video"),this.hls
.trigger(d
.a
.BUFFER_FLUSHING
,r
)},h
.onMediaAttached=function(e
){var t
=this.media
=this.mediaBuffer
=e
.media
;this.onvseeking
=this.onMediaSeeking
.bind(this),this.onvseeked
=this.onMediaSeeked
.bind(this),this.onvended
=this.onMediaEnded
.bind(this),t
.addEventListener("seeking",this.onvseeking
),t
.addEventListener("seeked",this.onvseeked
),t
.addEventListener("ended",this.onvended
);var r
=this.config
;this.levels
&&r
.autoStartLoad
&&this.hls
.startLoad(r
.startPosition
),this.gapController
=new he(r
,t
,this.fragmentTracker
,this.hls
)},h
.onMediaDetaching=function(){var e
=this.media
;e
&&e
.ended
&&(u
.b
.log("MSE detaching and video ended, reset startPosition"),this.startPosition
=this.lastCurrentTime
=0);var t
=this.levels
;t
&&t
.forEach((function(e
){e
.details
&&e
.details
.fragments
.forEach((function(e
){e
.backtracked
=void 0}))})),e
&&(e
.removeEventListener("seeking",this.onvseeking
),e
.removeEventListener("seeked",this.onvseeked
),e
.removeEventListener("ended",this.onvended
),this.onvseeking
=this.onvseeked
=this.onvended
=null),this.fragmentTracker
.removeAllFragments(),this.media
=this.mediaBuffer
=null,this.loadedmetadata
=!1,this.stopLoad()},h
.onMediaSeeked=function(){var e
=this.media
,t
=e
?e
.currentTime
:void 0;Object(l
.a
)(t
)&&u
.b
.log("media seeked to "+t
.toFixed(3)),this.tick()},h
.onManifestLoading=function(){u
.b
.log("trigger BUFFER_RESET"),this.hls
.trigger(d
.a
.BUFFER_RESET
),this.fragmentTracker
.removeAllFragments(),this.stalled
=!1,this.startPosition
=this.lastCurrentTime
=0},h
.onManifestParsed=function(e
){var t
,r
=!1,i
=!1;e
.levels
.forEach((function(e
){(t
=e
.audioCodec
)&&(-1!==t
.indexOf("mp4a.40.2")&&(r
=!0),-1!==t
.indexOf("mp4a.40.5")&&(i
=!0))})),this.audioCodecSwitch
=r
&&i
,this.audioCodecSwitch
&&u
.b
.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.altAudio
=e
.altAudio
,this.levels
=e
.levels
,this.startFragRequested
=!1;var a
=this.config
;(a
.autoStartLoad
||this.forceStartLoad
)&&this.hls
.startLoad(a
.startPosition
)},h
.onLevelLoaded=function(e
){var t
=e
.details
,r
=e
.level
,i
=this.levels
[this.levelLastLoaded
],a
=this.levels
[r
],n
=t
.totalduration
,s
=0;if(u
.b
.log("level "+r
+" loaded ["+t
.startSN
+","+t
.endSN
+"],duration:"+n
),t
.live
||a
.details
&&a
.details
.live
){var o
=a
.details
;o
&&t
.fragments
.length
>0?(re(o
,t
),s
=t
.fragments
[0].start
,this.liveSyncPosition
=this.computeLivePosition(s
,o
),t
.PTSKnown
&&Object(l
.a
)(s
)?u
.b
.log("live playlist sliding:"+s
.toFixed(3)):(u
.b
.log("live playlist - outdated PTS, unknown sliding"),oe(this.fragPrevious
,i
,t
))):(u
.b
.log("live playlist - first load, unknown sliding"),t
.PTSKnown
=!1,oe(this.fragPrevious
,i
,t
))}else t
.PTSKnown
=!1;if(a
.details
=t
,this.levelLastLoaded
=r
,this.hls
.trigger(d
.a
.LEVEL_UPDATED
,{details
:t
,level
:r
}),!1===this.startFragRequested
){if(-1===this.startPosition
||-1===this.lastCurrentTime
){var c
=t
.startTimeOffset
;Object(l
.a
)(c
)?(c
<0&&(u
.b
.log("negative start time offset "+c
+", count from end of last fragment"),c
=s
+n
+c
),u
.b
.log("start time offset found in playlist, adjust startPosition to "+c
),this.startPosition
=c
):t
.live
?(this.startPosition
=this.computeLivePosition(s
,t
),u
.b
.log("configure startPosition to "+this.startPosition
)):this.startPosition
=0,this.lastCurrentTime
=this.startPosition
}this.nextLoadPosition
=this.startPosition
}this.state
===De
&&(this.state
=me
),this.tick()},h
.onKeyLoaded=function(){this.state
===be
&&(this.state
=me
,this.tick())},h
.onFragLoaded=function(e
){var t
=this.fragCurrent
,r
=this.hls
,i
=this.levels
,a
=this.media
,n
=e
.frag
;if(this.state
===Te
&&t
&&"main"===n
.type
&&n
.level
===t
.level
&&n
.sn
===t
.sn
){var s
=e
.stats
,o
=i
[t
.level
],l
=o
.details
;if(this.bitrateTest
=!1,this.stats
=s
,u
.b
.log("Loaded "+t
.sn
+" of ["+l
.startSN
+" ,"+l
.endSN
+"],level "+t
.level
),n
.bitrateTest
&&r
.nextLoadLevel
)this.state
=me
,this.startFragRequested
=!1,s
.tparsed
=s
.tbuffered
=window
.performance
.now(),r
.trigger(d
.a
.FRAG_BUFFERED
,{stats
:s
,frag
:t
,id
:"main"}),this.tick();else if("initSegment"===n
.sn
)this.state
=me
,s
.tparsed
=s
.tbuffered
=window
.performance
.now(),l
.initSegment
.data
=e
.payload
,r
.trigger(d
.a
.FRAG_BUFFERED
,{stats
:s
,frag
:t
,id
:"main"}),this.tick();else{u
.b
.log("Parsing "+t
.sn
+" of ["+l
.startSN
+" ,"+l
.endSN
+"],level "+t
.level
+", cc "+t
.cc
),this.state
=_e
,this.pendingBuffering
=!0,this.appended
=!1,n
.bitrateTest
&&(n
.bitrateTest
=!1,this.fragmentTracker
.onFragLoaded({frag
:n
}));var c
=!(a
&&a
.seeking
)&&(l
.PTSKnown
||!l
.live
),h
=l
.initSegment
?l
.initSegment
.data
:[],f
=this._getAudioCodec(o
);(this.demuxer
=this.demuxer
||new J(this.hls
,"main")).push(e
.payload
,h
,f
,o
.videoCodec
,t
,l
.totalduration
,c
)}}this.fragLoadError
=0},h
.onFragParsingInitSegment=function(e
){var t
=this.fragCurrent
,r
=e
.frag
;if(t
&&"main"===e
.id
&&r
.sn
===t
.sn
&&r
.level
===t
.level
&&this.state
===_e
){var i
,a
,n
=e
.tracks
;if(this.audioOnly
=n
.audio
&&!n
.video
,this.altAudio
&&!this.audioOnly
&&delete n
.audio
,a
=n
.audio
){var s
=this.levels
[this.level
].audioCodec
,o
=navigator
.userAgent
.toLowerCase();s
&&this.audioCodecSwap
&&(u
.b
.log("swapping playlist audio codec"),s
=-1!==s
.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch
&&1!==a
.metadata
.channelCount
&&-1===o
.indexOf("firefox")&&(s
="mp4a.40.5"),-1!==o
.indexOf("android")&&"audio/mpeg"!==a
.container
&&(s
="mp4a.40.2",u
.b
.log("Android: force audio codec to "+s
)),a
.levelCodec
=s
,a
.id
=e
.id
}for(i
in(a
=n
.video
)&&(a
.levelCodec
=this.levels
[this.level
].videoCodec
,a
.id
=e
.id
),this.hls
.trigger(d
.a
.BUFFER_CODECS
,n
),n
){a
=n
[i
],u
.b
.log("main track:"+i
+",container:"+a
.container
+",codecs[level/parsed]=["+a
.levelCodec
+"/"+a
.codec
+"]");var l
=a
.initSegment
;l
&&(this.appended
=!0,this.pendingBuffering
=!0,this.hls
.trigger(d
.a
.BUFFER_APPENDING
,{type
:i
,data
:l
,parent
:"main",content
:"initSegment"}))}this.tick()}},h
.onFragParsingData=function(e
){var t
=this,r
=this.fragCurrent
,i
=e
.frag
;if(r
&&"main"===e
.id
&&i
.sn
===r
.sn
&&i
.level
===r
.level
&&("audio"!==e
.type
||!this.altAudio
)&&this.state
===_e
){var a
=this.levels
[this.level
],n
=r
;if(Object(l
.a
)(e
.endPTS
)||(e
.endPTS
=e
.startPTS
+r
.duration
,e
.endDTS
=e
.startDTS
+r
.duration
),!0===e
.hasAudio
&&n
.addElementaryStream(p
.AUDIO
),!0===e
.hasVideo
&&n
.addElementaryStream(p
.VIDEO
),u
.b
.log("Parsed "+e
.type
+",PTS:["+e
.startPTS
.toFixed(3)+","+e
.endPTS
.toFixed(3)+"],DTS:["+e
.startDTS
.toFixed(3)+"/"+e
.endDTS
.toFixed(3)+"],nb:"+e
.nb
+",dropped:"+(e
.dropped
||0)),"video"===e
.type
)if(n
.dropped
=e
.dropped
,n
.dropped
)if(n
.backtracked
)u
.b
.warn("Already backtracked on this fragment, appending with the gap",n
.sn
);else{var s
=a
.details
;if(!s
||n
.sn
!==s
.startSN
)return u
.b
.warn("missing video frame(s), backtracking fragment",n
.sn
),this.fragmentTracker
.removeFragment(n
),n
.backtracked
=!0,this.nextLoadPosition
=e
.startPTS
,this.state
=me
,this.fragPrevious
=n
,this.demuxer
&&(this.demuxer
.destroy(),this.demuxer
=null),void this.tick();u
.b
.warn("missing video frame(s) on first frag, appending with gap",n
.sn
)}else n
.backtracked
=!1;var o
=te(a
.details
,n
,e
.startPTS
,e
.endPTS
,e
.startDTS
,e
.endDTS
),c
=this.hls
;c
.trigger(d
.a
.LEVEL_PTS_UPDATED
,{details
:a
.details
,level
:this.level
,drift
:o
,type
:e
.type
,start
:e
.startPTS
,end
:e
.endPTS
}),[e
.data1
,e
.data2
].forEach((function(r
){r
&&r
.length
&&t
.state
===_e
&&(t
.appended
=!0,t
.pendingBuffering
=!0,c
.trigger(d
.a
.BUFFER_APPENDING
,{type
:e
.type
,data
:r
,parent
:"main",content
:"data"}))})),this.tick()}},h
.onFragParsed=function(e
){var t
=this.fragCurrent
,r
=e
.frag
;t
&&"main"===e
.id
&&r
.sn
===t
.sn
&&r
.level
===t
.level
&&this.state
===_e
&&(this.stats
.tparsed
=window
.performance
.now(),this.state
=Re
,this._checkAppendedParsed())},h
.onAudioTrackSwitching=function(e
){var t
=this.altAudio
,r
=!!e
.url
,i
=e
.id
;if(!r
){if(this.mediaBuffer
!==this.media
){u
.b
.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer
=this.media
;var a
=this.fragCurrent
;a
.loader
&&(u
.b
.log("switching to main audio track, cancel main fragment load"),a
.loader
.abort()),this.fragCurrent
=null,this.fragPrevious
=null,this.demuxer
&&(this.demuxer
.destroy(),this.demuxer
=null),this.state
=me
}var n
=this.hls
;t
&&n
.trigger(d
.a
.BUFFER_FLUSHING
,{startOffset
:0,endOffset
:Number
.POSITIVE_INFINITY
,type
:"audio"}),n
.trigger(d
.a
.AUDIO_TRACK_SWITCHED
,{id
:i
})}},h
.onAudioTrackSwitched=function(e
){var t
=e
.id
,r
=!!this.hls
.audioTracks
[t
].url
;if(r
){var i
=this.videoBuffer
;i
&&this.mediaBuffer
!==i
&&(u
.b
.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer
=i
)}this.altAudio
=r
,this.tick()},h
.onBufferCreated=function(e
){var t
,r
,i
=e
.tracks
,a
=!1;for(var n
in i
){var s
=i
[n
];"main"===s
.id
?(r
=n
,t
=s
,"video"===n
&&(this.videoBuffer
=i
[n
].buffer
)):a
=!0}a
&&t
?(u
.b
.log("alternate track found, use "+r
+".buffered to schedule main fragment loading"),this.mediaBuffer
=t
.buffer
):this.mediaBuffer
=this.media
},h
.onBufferAppended=function(e
){if("main"===e
.parent
){var t
=this.state
;t
!==_e
&&t
!==Re
||(this.pendingBuffering
=e
.pending
>0,this._checkAppendedParsed())}},h
._checkAppendedParsed=function(){if(!(this.state
!==Re
||this.appended
&&this.pendingBuffering
)){var e
=this.fragCurrent
;if(e
){var t
=this.mediaBuffer
?this.mediaBuffer
:this.media
;u
.b
.log("main buffered : "+ne
.toString(t
.buffered
)),this.fragPrevious
=e
;var r
=this.stats
;r
.tbuffered
=window
.performance
.now(),this.fragLastKbps
=Math
.round(8*r
.total
/(r
.tbuffered
-r
.tfirst
)),this.hls
.trigger(d
.a
.FRAG_BUFFERED
,{stats
:r
,frag
:e
,id
:"main"}),this.state
=me
}(this.loadedmetadata
||this.startPosition
<=0)&&this.tick()}},h
.onError=function(e
){var t
=e
.frag
||this.fragCurrent
;if(!t
||"main"===t
.type
){var r
=!!this.media
&&H
.isBuffered(this.media
,this.media
.currentTime
)&&H
.isBuffered(this.media
,this.media
.currentTime
+.5);switch(e
.details
){case o
.a
.FRAG_LOAD_ERROR
:case o
.a
.FRAG_LOAD_TIMEOUT
:case o
.a
.KEY_LOAD_ERROR
:case o
.a
.KEY_LOAD_TIMEOUT
:if(!e
.fatal
)if(this.fragLoadError
+1<=this.config
.fragLoadingMaxRetry
){var i
=Math
.min(Math
.pow(2,this.fragLoadError
)*this.config
.fragLoadingRetryDelay
,this.config
.fragLoadingMaxRetryTimeout
);u
.b
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}else u
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.b
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this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},l.setLevelInternal=function(e){var t=this._levels,r=this.hls;if(e>=0&&e<t.length){if(this.clearTimer(),this.currentLevelIndex!==e){u.b.log("switching to level "+e),this.currentLevelIndex=e;var i=t[e];i.level=e,r.trigger(d.a.LEVEL_SWITCHING,i)}var a=t[e],n=a.details;if(!n||n.live){var s=a.urlId;r.trigger(d.a.LEVEL_LOADING,{url:a.url[s],level:e,id:s})}}else r.trigger(d.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.LEVEL_SWITCH_ERROR,level:e,fatal:!1,reason:"invalid level idx"})},l.onError=function(e){if(e.fatal)e.type===o.b.NETWORK_ERROR&&this.clearTimer();else{var t,r=!1,i=!1;switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:t=e.frag.level,i=!0;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:t=e.context.level,r=!0;break;case o.a.REMUX_ALLOC_ERROR:t=e.level,r=!0}void 0!==t&&this.recoverLevel(e,t,r,i)}},l.recoverLevel=function(e,t,r,i){var a,n,s,o=this,l=this.hls.config,d=e.details,c=this._levels[t];if(c.loadError++,c.fragmentError=i,r){if(!(this.levelRetryCount+1<=l.levelLoadingMaxRetry))return u.b.error("level controller, cannot recover from "+d+" error"),this.currentLevelIndex=null,this.clearTimer(),void(e.fatal=!0);n=Math.min(Math.pow(2,this.levelRetryCount)*l.levelLoadingRetryDelay,l.levelLoadingMaxRetryTimeout),this.timer=setTimeout((function(){return o.loadLevel()}),n),e.levelRetry=!0,this.levelRetryCount++,u.b.warn("level controller, "+d+", retry in "+n+" ms, current retry count is "+this.levelRetryCount)}(r||i)&&((a=c.url.length)>1&&c.loadError<a?(c.urlId=(c.urlId+1)%a,c.details=void 0,u.b.warn("level controller, "+d+" for level "+t+": switching to redundant URL-id "+c.urlId)):-1===this.manualLevelIndex?(s=0===t?this._levels.length-1:t-1,u.b.warn("level controller, "+d+": switch to 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this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&xe(a.prototype,n),s&&xe(a,s),i}(h),Fe=r(4);function Ue(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function Ne(e){if(null==e?void 0:e.cues)for(;e.cues.length>0;)e.removeCue(e.cues[0])}var Be=function(e){var t,r;function i(t){var 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))),this._bwEstimator
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,t
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.abrBandWidthFactor
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.abrBandWidthUpFactor
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>=0)return f
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.maxStarvationDelay
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=i
.abrBandWidthFactor
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=i
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){var m
=this.bitrateTestDelay
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&&(g
=(o
?Math
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.maxLoadingDelay
):i
.maxLoadingDelay
)-m
,u
.b
.trace("bitrate test took "+Math
.round(1e3
*m
)+"ms, set first fragment max fetchDuration to "+Math
.round(1e3
*g
)+" ms"),p
=v
=1)}return f
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,a
,t
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+g
,p
,v
,r
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&&je(a
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,r
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.a
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.a
.MEDIA_DETACHING
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.a
.MANIFEST_PARSED
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.a
.BUFFER_RESET
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.a
.BUFFER_FLUSHING
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._levelDuration
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._levelTargetDuration
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._live
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._objectUrl
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._needsEos
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.config
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.audioTimestampOffset
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.bufferCodecEventsExpected
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._bufferCodecEventsTotal
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.media
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.mediaSource
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.appended
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.b
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.sourceBuffer
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.sourceBuffer
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.b
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}r
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._needsEos
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.b
.MEDIA_ERROR
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}r
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.type
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.container
){var i
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.b
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)}}},a
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.video
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.media
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){var r
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.src
}},a
.onMediaDetaching=function(){u
.b
.log("media source detaching");var e
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){if("open"===e
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){u
.b
.warn("onMediaDetaching:"+e
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),e
.removeEventListener("sourceclose",this._onMediaSourceClose
),this.media
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&&window
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),this.media
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?(this.media
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.b
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.a
.MEDIA_DETACHED
)},a
.checkPendingTracks=function(){var e
=this.bufferCodecEventsExpected
,t
=this.pendingTracks
,r
=Object
.keys(t
).length
;(r
&&!e
||2===r
)&&(this.createSourceBuffers(t
),this.pendingTracks
={},this.doAppending())},a
.onBufferReset=function(){var e
=this.sourceBuffer
;for(var t
in e
){var r
=e
[t
];try{r
&&(this.mediaSource
&&this.mediaSource
.removeSourceBuffer(r
),r
.removeEventListener("updateend",this._onSBUpdateEnd
),r
.removeEventListener("error",this._onSBUpdateError
))}catch(e
){}}this.sourceBuffer
={},this.flushRange
=[],this.segments
=[],this.appended
=0},a
.onBufferCodecs=function(e
){var t
=this;Object
.keys(this.sourceBuffer
).length
||(Object
.keys(e
).forEach((function(r
){t
.pendingTracks
[r
]=e
[r
]})),this.bufferCodecEventsExpected
=Math
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-1,0),this.mediaSource
&&"open"===this.mediaSource
.readyState
&&this.checkPendingTracks())},a
.createSourceBuffers=function(e
){var t
=this.sourceBuffer
,r
=this.mediaSource
;if(!r
)throw Error("createSourceBuffers called when mediaSource was null");for(var i
in e
)if(!t
[i
]){var a
=e
[i
];if(!a
)throw Error("source buffer exists for track "+i
+", however track does not");var n
=a
.levelCodec
||a
.codec
,s
=a
.container
+";codecs="+n
;u
.b
.log("creating sourceBuffer("+s
+")");try{var l
=t
[i
]=r
.addSourceBuffer(s
);l
.addEventListener("updateend",this._onSBUpdateEnd
),l
.addEventListener("error",this._onSBUpdateError
),this.tracks
[i
]={buffer
:l
,codec
:n
,id
:a
.id
,container
:a
.container
,levelCodec
:a
.levelCodec
}}catch(e
){u
.b
.error("error while trying to add sourceBuffer:"+e
.message
),this.hls
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.a
.ERROR
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:o
.b
.MEDIA_ERROR
,details
:o
.a
.BUFFER_ADD_CODEC_ERROR
,fatal
:!1,err
:e
,mimeType
:s
})}}this.hls
.trigger(d
.a
.BUFFER_CREATED
,{tracks
:this.tracks
})},a
.onBufferAppending=function(e
){this._needsFlush
||(this.segments
?this.segments
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):this.segments
=[e
],this.doAppending())},a
.onBufferEos=function(e
){for(var t
in this.sourceBuffer
)if(!e
.type
||e
.type
===t
){var r
=this.sourceBuffer
[t
];r
&&!r
.ended
&&(r
.ended
=!0,u
.b
.log(t
+" sourceBuffer now EOS"))}this.checkEos()},a
.checkEos=function(){var e
=this.sourceBuffer
,t
=this.mediaSource
;if(t
&&"open"===t
.readyState
){for(var r
in e
){var i
=e
[r
];if(i
){if(!i
.ended
)return;if(i
.updating
)return void(this._needsEos
=!0)}}u
.b
.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t
.endOfStream()}catch(e
){u
.b
.warn("exception while calling mediaSource.endOfStream()")}this._needsEos
=!1}else this._needsEos
=!1},a
.onBufferFlushing=function(e
){e
.type
?this.flushRange
.push({start
:e
.startOffset
,end
:e
.endOffset
,type
:e
.type
}):(this.flushRange
.push({start
:e
.startOffset
,end
:e
.endOffset
,type
:"video"}),this.flushRange
.push({start
:e
.startOffset
,end
:e
.endOffset
,type
:"audio"})),this.flushBufferCounter
=0,this.doFlush()},a
.flushLiveBackBuffer=function(){if(this._live
){var e
=this.config
.liveBackBufferLength
;if(isFinite(e
)&&!(e
<0))if(this.media
)for(var t
=this.media
.currentTime
,r
=this.sourceBuffer
,i
=Object
.keys(r
),a
=t
-Math
.max(e
,this._levelTargetDuration
),n
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.length
-1;n
>=0;n
--){var s
=i
[n
],o
=r
[s
];if(o
){var l
=o
.buffered
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.length
>0&&a
>l
.start(0)&&this.removeBufferRange(s
,o
,0,a
)&&this.hls
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.a
.LIVE_BACK_BUFFER_REACHED
,{bufferEnd
:a
})}}else u
.b
.error("flushLiveBackBuffer called without attaching media")}},a
.onLevelUpdated=function(e
){var t
=e
.details
;t
.fragments
.length
>0&&(this._levelDuration
=t
.totalduration
+t
.fragments
[0].start
,this._levelTargetDuration
=t
.averagetargetduration
||t
.targetduration
||10,this._live
=t
.live
,this.updateMediaElementDuration())},a
.updateMediaElementDuration=function(){var e
,t
=this.config
;if(null!==this._levelDuration
&&this.media
&&this.mediaSource
&&this.sourceBuffer
&&0!==this.media
.readyState
&&"open"===this.mediaSource
.readyState
){for(var r
in this.sourceBuffer
){var i
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[r
];if(i
&&!0===i
.updating
)return}e
=this.media
.duration
,null===this._msDuration
&&(this._msDuration
=this.mediaSource
.duration
),!0===this._live
&&!0===t
.liveDurationInfinity
?(u
.b
.log("Media Source duration is set to Infinity"),this._msDuration
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.duration
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&&this._levelDuration
>e
||!Object(l
.a
)(e
))&&(u
.b
.log("Updating Media Source duration to "+this._levelDuration
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.duration
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)}},a
.doFlush=function(){for(;this.flushRange
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;){var e
=this.flushRange
[0];if(!this.flushBuffer(e
.start
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.end
,e
.type
))return void(this._needsFlush
=!0);this.flushRange
.shift(),this.flushBufferCounter
=0}if(0===this.flushRange
.length
){this._needsFlush
=!1;var t
=0,r
=this.sourceBuffer
;try{for(var i
in r
){var a
=r
[i
];a
&&(t
+=a
.buffered
.length
)}}catch(e
){u
.b
.error("error while accessing sourceBuffer.buffered")}this.appended
=t
,this.hls
.trigger(d
.a
.BUFFER_FLUSHED
)}},a
.doAppending=function(){var e
=this.config
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=this.hls
,r
=this.segments
,i
=this.sourceBuffer
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).length
){if(!this.media
||this.media
.error
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.b
.error("trying to append although a media error occured, flush segment and abort");if(!this.appending
){var a
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.shift();if(a
)try{var n
=i
[a
.type
];if(!n
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.updating
)return void r
.unshift(a
);n
.ended
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=a
.parent
,n
.appendBuffer(a
.data
),this.appendError
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){u
.b
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.message
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);var s
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:o
.b
.MEDIA_ERROR
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.parent
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.details
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):(this.appendError
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.a
.BUFFER_APPEND_ERROR
,this.appendError
>e
.appendErrorMaxRetry
&&(u
.b
.log("fail "+e
.appendErrorMaxRetry
+" times to append segment in sourceBuffer"),this.segments
=[],s
.fatal
=!0)),t
.trigger(d
.a
.ERROR
,s
)}}}},a
.flushBuffer=function(e
,t
,r
){var i
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;if(!Object
.keys(i
).length
)return!0;var a
="null";if(this.media
&&(a
=this.media
.currentTime
.toFixed(3)),u
.b
.log("flushBuffer,pos/start/end: "+a
+"/"+e
+"/"+t
),this.flushBufferCounter
>=this.appended
)return u
.b
.warn("abort flushing too many retries"),!0;var n
=i
[r
];if(n
){if(n
.ended
=!1,n
.updating
)return u
.b
.warn("cannot flush, sb updating in progress"),!1;if(this.removeBufferRange(r
,n
,e
,t
))return this.flushBufferCounter
++,!1}return u
.b
.log("buffer flushed"),!0},a
.removeBufferRange=function(e
,t
,r
,i
){try{for(var a
=0;a
<t
.buffered
.length
;a
++){var n
=t
.buffered
.start(a
),s
=t
.buffered
.end(a
),o
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.max(n
,r
),l
=Math
.min(s
,i
);if(Math
.min(l
,s
)-o
>.5){var d
="null";return this.media
&&(d
=this.media
.currentTime
.toString()),u
.b
.log("sb remove "+e
+" ["+o
+","+l
+"], of ["+n
+","+s
+"], pos:"+d
),t
.remove(o
,l
),!0}}}catch(e
){u
.b
.warn("removeBufferRange failed",e
)}return!1},i
}(h
);function qe(e
,t
){for(var r
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<t
.length
;r
++){var i
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[r
];i
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.enumerable
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){var t
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.a
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.timer
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.clientRect
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}r
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=null,this.clientRect
=null,this.stopCapping())},o
.onFpsDropLevelCapping=function(e
){i
.isLevelAllowed(e
.droppedLevel
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)&&this.restrictedLevels
.push(e
.droppedLevel
)},o
.onMediaAttaching=function(e
){this.media
=e
.media
instanceof window
.HTMLVideoElement
?e
.media
:null},o
.onManifestParsed=function(e
){var t
=this.hls
;this.restrictedLevels
=[],this.levels
=e
.levels
,this.firstLevel
=e
.firstLevel
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.config
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.video
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.onBufferCodecs=function(e
){this.hls
.config
.capLevelToPlayerSize
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.video
&&this.startCapping()},o
.onLevelsUpdated=function(e
){this.levels
=e
.levels
},o
.onMediaDetaching=function(){this.stopCapping()},o
.detectPlayerSize=function(){if(this.media
){var e
=this.levels
?this.levels
.length
:0;if(e
){var t
=this.hls
;t
.autoLevelCapping
=this.getMaxLevel(e
-1),t
.autoLevelCapping
>this.autoLevelCapping
&&t
.streamController
.nextLevelSwitch(),this.autoLevelCapping
=t
.autoLevelCapping
}}},o
.getMaxLevel=function(e
){var t
=this;if(!this.levels
)return-1;var r
=this.levels
.filter((function(r
,a
){return i
.isLevelAllowed(a
,t
.restrictedLevels
)&&a
<=e
}));return this.clientRect
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.getMaxLevelByMediaSize(r
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,this.mediaHeight
)},o
.startCapping=function(){this.timer
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,this.hls
.firstLevel
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),clearInterval(this.timer
),this.timer
=setInterval(this.detectPlayerSize
.bind(this),1e3
),this.detectPlayerSize())},o
.stopCapping=function(){this.restrictedLevels
=[],this.firstLevel
=null,this.autoLevelCapping
=Number
.POSITIVE_INFINITY
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&&(this.timer
=clearInterval(this.timer
),this.timer
=null)},o
.getDimensions=function(){if(this.clientRect
)return this.clientRect
;var e
=this.media
,t
={width
:0,height
:0};if(e
){var r
=e
.getBoundingClientRect();t
.width
=r
.width
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.height
=r
.height
,t
.width
||t
.height
||(t
.width
=r
.right
-r
.left
||e
.width
||0,t
.height
=r
.bottom
-r
.top
||e
.height
||0)}return this.clientRect
=t
,t
},i
.isLevelAllowed=function(e
,t
){return void 0===t
&&(t
=[]),-1===t
.indexOf(e
)},i
.getMaxLevelByMediaSize=function(e
,t
,r
){if(!e
||e
&&!e
.length
)return-1;for(var i
,a
,n
=e
.length
-1,s
=0;s
<e
.length
;s
+=1){var o
=e
[s
];if((o
.width
>=t
||o
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[s
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=window
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}catch(e
){}return e
}}],(n
=[{key
:"mediaWidth",get:function(){return this.getDimensions().width
*i
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=i
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){var t
=this.hls
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;t
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&&("function"==typeof(this.video
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instanceof window
.HTMLVideoElement
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.media
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&&(this.isVideoPlaybackQualityAvailable
=!0),clearInterval(this.timer
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){var i
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this.callbacks.onError({code:e.status,text:r.message},t,e)}t.rangeEnd&&e.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),e.onreadystatechange=this.readystatechange.bind(this),e.onprogress=this.loadprogress.bind(this),e.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),e.send()},t.readystatechange=function(e){var t=e.currentTarget,r=t.readyState,i=this.stats,a=this.context,n=this.config;if(!i.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===i.tfirst&&(i.tfirst=Math.max(window.performance.now(),i.trequest)),4===r){var s=t.status;if(s>=200&&s<300){var o,l;i.tload=Math.max(i.tfirst,window.performance.now()),l="arraybuffer"===a.responseType?(o=t.response).byteLength:(o=t.responseText).length,i.loaded=i.total=l;var d={url:t.responseURL,data:o};this.callbacks.onSuccess(d,i,a,t)}else i.retry>=n.maxRetry||s>=400&&s<499?(u.b.error(s+" while loading "+a.url),this.callbacks.onError({code:s,text:t.statusText},a,t)):(u.b.warn(s+" while loading "+a.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),i.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.loadtimeout=function(){u.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.loadprogress=function(e){var t=e.currentTarget,r=this.stats;r.loaded=e.loaded,e.lengthComputable&&(r.total=e.total);var i=this.callbacks.onProgress;i&&i(r,this.context,null,t)},e}();function Je(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Ze=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MANIFEST_LOADING,d.a.MANIFEST_PARSED,d.a.AUDIO_TRACK_LOADED,d.a.AUDIO_TRACK_SWITCHED,d.a.LEVEL_LOADED,d.a.ERROR)||this)._trackId=-1,r._selectDefaultTrack=!0,r.tracks=[],r.trackIdBlacklist=Object.create(null),r.audioGroupId=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.onManifestLoading=function(){this.tracks=[],this._trackId=-1,this._selectDefaultTrack=!0},l.onManifestParsed=function(e){var t=this.tracks=e.audioTracks||[];this.hls.trigger(d.a.AUDIO_TRACKS_UPDATED,{audioTracks:t}),this._selectAudioGroup(this.hls.nextLoadLevel)},l.onAudioTrackLoaded=function(e){if(e.id>=this.tracks.length)u.b.warn("Invalid audio track id:",e.id);else{if(u.b.log("audioTrack "+e.id+" loaded"),this.tracks[e.id].details=e.details,e.details.live&&!this.hasInterval()){var t=1e3*e.details.targetduration;this.setInterval(t)}!e.details.live&&this.hasInterval()&&this.clearInterval()}},l.onAudioTrackSwitched=function(e){var t=this.tracks[e.id].groupId;t&&this.audioGroupId!==t&&(this.audioGroupId=t)},l.onLevelLoaded=function(e){this._selectAudioGroup(e.level)},l.onError=function(e){e.type===o.b.NETWORK_ERROR&&(e.fatal&&this.clearInterval(),e.details===o.a.AUDIO_TRACK_LOAD_ERROR&&(u.b.warn("Network failure on audio-track id:",e.context.id),this._handleLoadError()))},l._setAudioTrack=function(e){if(this._trackId===e&&this.tracks[this._trackId].details)u.b.debug("Same id as current audio-track passed, and track details available -> no-op");else if(e<0||e>=this.tracks.length)u.b.warn("Invalid id passed to audio-track controller");else{var t=this.tracks[e];u.b.log("Now switching to audio-track index "+e),this.clearInterval(),this._trackId=e;var r=t.url,i=t.type,a=t.id;this.hls.trigger(d.a.AUDIO_TRACK_SWITCHING,{id:a,type:i,url:r}),this._loadTrackDetailsIfNeeded(t)}},l.doTick=function(){this._updateTrack(this._trackId)},l._selectAudioGroup=function(e){var t=this.hls.levels[e];if(t&&t.audioGroupIds){var r=t.audioGroupIds[t.urlId];this.audioGroupId!==r&&(this.audioGroupId=r,this._selectInitialAudioTrack())}},l._selectInitialAudioTrack=function(){var e=this,t=this.tracks;if(t.length){var r=this.tracks[this._trackId],i=null;if(r&&(i=r.name),this._selectDefaultTrack){var a=t.filter((function(e){return e.default}));a.length?t=a:u.b.warn("No default audio tracks defined")}var n=!1,s=function(){t.forEach((function(t){n||e.audioGroupId&&t.groupId!==e.audioGroupId||i&&i!==t.name||(e._setAudioTrack(t.id),n=!0)}))};s(),n||(i=null,s()),n||(u.b.error("No track found for running audio group-ID: 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id:",n,"group-id:",this.tracks[n].groupId),this._setAudioTrack(n)):u.b.warn('No fallback audio
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i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.AUDIO_TRACKS_UPDATED,d.a.AUDIO_TRACK_SWITCHING,d.a.AUDIO_TRACK_LOADED,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.FRAG_PARSING_INIT_SEGMENT,d.a.FRAG_PARSING_DATA,d.a.FRAG_PARSED,d.a.ERROR,d.a.BUFFER_RESET,d.a.BUFFER_CREATED,d.a.BUFFER_APPENDED,d.a.BUFFER_FLUSHED,d.a.INIT_PTS_FOUND)||this).fragmentTracker=r,i.config=t.config,i.audioCodecSwap=!1,i._state=pe,i.initPTS=[],i.waitingFragment=null,i.videoTrackCC=null,i.waitingVideoCC=null,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,c=i.prototype;return c.onInitPtsFound=function(e){var t=e.id,r=e.frag.cc,i=e.initPTS;"main"===t&&(this.initPTS[r]=i,this.videoTrackCC=r,u.b.log("InitPTS for cc: "+r+" found from main: "+i),this.state===Le&&this.tick())},c.startLoad=function(e){if(this.tracks){var t=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),this.fragLoadError=0,t>0&&-1===e?(u.b.log("audio:override startPosition with lastCurrentTime @"+t.toFixed(3)),this.state=me):(this.lastCurrentTime=this.startPosition?this.startPosition:e,this.state=ve),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=e,this.state=pe},c.doTick=function(){var e,t,r,i=this.hls,a=i.config;switch(this.state){case we:case ye:case Ae:break;case ve:this.state=Se,this.loadedmetadata=!1;break;case me:var n=this.tracks;if(!n)break;if(!this.media&&(this.startFragRequested||!a.startFragPrefetch))break;if(this.loadedmetadata)e=this.media.currentTime;else if(void 0===(e=this.nextLoadPosition))break;var s=this.mediaBuffer?this.mediaBuffer:this.media,o=this.videoBuffer?this.videoBuffer:this.media,c=e<a.maxBufferHole?Math.max(2,a.maxBufferHole):a.maxBufferHole,h=H.bufferInfo(s,e,c),f=H.bufferInfo(o,e,c),g=h.len,p=h.end,v=this.fragPrevious,m=Math.min(a.maxBufferLength,a.maxMaxBufferLength),y=Math.max(m,f.len),b=this.audioSwitch,T=this.trackId;if((g<y||b)&&T<n.length){if(void 0===(r=n[T].details)){this.state=Se;break}if(!b&&this._streamEnded(h,r))return this.hls.trigger(d.a.BUFFER_EOS,{type:"audio"}),void(this.state=ke);var E,S=r.fragments,_=S.length,R=S[0].start,A=S[_-1].start+S[_-1].duration;if(b)if(r.live&&!r.PTSKnown)u.b.log("switching audiotrack, live stream, unknown PTS,load first fragment"),p=0;else if(p=e,r.PTSKnown&&e<R){if(!(h.end>R||h.nextStart))return;u.b.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=R+.05}if(r.initSegment&&!r.initSegment.data)E=r.initSegment;else if(p<=R){if(E=S[0],null!==this.videoTrackCC&&E.cc!==this.videoTrackCC&&(E=function(e,t){return j.search(e,(function(e){return e.cc<t?1:e.cc>t?-1:0}))}(S,this.videoTrackCC)),r.live&&E.loadIdx&&E.loadIdx===this.fragLoadIdx){var k=h.nextStart?h.nextStart:R;return u.b.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(k+.05)),void(this.media.currentTime=k+.05)}}else{var w,L=a.maxFragLookUpTolerance,D=v?S[v.sn-S[0].sn+1]:void 0;p<A?(p>A-L&&(L=0),w=D&&!ue(p,L,D)?D:j.search(S,(function(e){return ue(p,L,e)}))):w=S[_-1],w&&(E=w,R=w.start,v&&E.level===v.level&&E.sn===v.sn&&(E.sn<r.endSN?(E=S[E.sn+1-r.startSN],this.fragmentTracker.getState(E)!==G&&u.b.log("SN just loaded, load next one: "+E.sn)):E=null))}E&&(E.encrypted?(u.b.log("Loading key for "+E.sn+" of ["+r.startSN+" ,"+r.endSN+"],track "+T),this.state=be,i.trigger(d.a.KEY_LOADING,{frag:E})):(this.fragCurrent=E,(b||this.fragmentTracker.getState(E)===U)&&(u.b.log("Loading "+E.sn+", cc: "+E.cc+" of ["+r.startSN+" ,"+r.endSN+"],track "+T+", "+(this.loadedmetadata?"currentTime":"nextLoadPosition")+": "+e+", bufferEnd: "+p.toFixed(3)),"initSegment"!==E.sn&&(this.startFragRequested=!0),Object(l.a)(E.sn)&&(this.nextLoadPosition=E.start+E.duration),i.trigger(d.a.FRAG_LOADING,{frag:E}),this.state=Te)))}break;case Se:(t=this.tracks[this.trackId])&&t.details&&(this.state=me);break;case Ee:var O=tt.now(),C=this.retryDate,I=(s=this.media)&&s.seeking;(!C||O>=C||I)&&(u.b.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=me);break;case Le:var P=this.waitingFragment;if(P){var x=P.frag.cc;if(void 0!==this.initPTS[x])this.waitingFragment=null,this.state=Te,this.onFragLoaded(P);else if(this.videoTrackCC!==this.waitingVideoCC)u.b.log("Waiting fragment cc ("+x+") cancelled because video is at cc "+this.videoTrackCC),this.clearWaitingFragment();else{var M=H.bufferInfo(this.mediaBuffer,this.media.currentTime,a.maxBufferHole);ue(M.end,a.maxFragLookUpTolerance,P.frag)<0&&(u.b.log("Waiting fragment cc ("+x+") @ "+P.frag.start+" cancelled because another fragment at "+M.end+" is needed"),this.clearWaitingFragment())}}else this.state=me}},c.clearWaitingFragment=function(){var e=this.waitingFragment;e&&(this.fragmentTracker.removeFragment(e.frag),this.waitingFragment=null,this.waitingVideoCC=null,this.state=me)},c.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("ended",this.onvended);var r=this.config;this.tracks&&r.autoStartLoad&&this.startLoad(r.startPosition)},c.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(u.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},c.onAudioTracksUpdated=function(e){u.b.log("audio tracks updated"),this.tracks=e.audioTracks},c.onAudioTrackSwitching=function(e){var t=!!e.url;this.trackId=e.id,this.fragCurrent=null,this.clearWaitingFragment(),this.state=ye,t?this.setInterval(100):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),t&&(this.audioSwitch=!0,this.state=me),this.tick()},c.onAudioTrackLoaded=function(e){var t=e.details,r=e.id,i=this.tracks[r],a=i.details,n=t.totalduration,s=0;if(u.b.log("track "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+n),t.live||a&&a.live?a&&t.fragments.length>0?(re(a,t),s=t.fragments[0].start,t.PTSKnown?u.b.log("live audio playlist sliding:"+s.toFixed(3)):u.b.log("live audio playlist - outdated PTS, unknown sliding")):(t.PTSKnown=!1,u.b.log("live audio playlist - first load, unknown sliding")):t.PTSKnown=!1,i.details=t,!this.startFragRequested){if(-1===this.startPosition){var o=t.startTimeOffset;Object(l.a)(o)?(u.b.log("start time offset found in playlist, adjust startPosition to "+o),this.startPosition=o):t.live?(this.startPosition=this.computeLivePosition(s,t),u.b.log("compute startPosition for audio-track to "+this.startPosition)):this.startPosition=0}this.nextLoadPosition=this.startPosition}this.state===Se&&(this.state=me),this.tick()},c.onKeyLoaded=function(){this.state===be&&(this.state=me,this.tick())},c.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag;if(this.state===Te&&t&&"audio"===r.type&&r.level===t.level&&r.sn===t.sn){var i=this.tracks[this.trackId],a=i.details,n=a.totalduration,s=t.level,o=t.sn,l=t.cc,c=this.config.defaultAudioCodec||i.audioCodec||"mp4a.40.2",h=this.stats=e.stats;if("initSegment"===o)this.state=me,h.tparsed=h.tbuffered=tt.now(),a.initSegment.data=e.payload,this.hls.trigger(d.a.FRAG_BUFFERED,{stats:h,frag:t,id:"audio"}),this.tick();else{this.state=_e,this.appended=!1,this.demuxer||(this.demuxer=new J(this.hls,"audio"));var f=this.initPTS[l],g=a.initSegment?a.initSegment.data:[];if(void 0!==f){this.pendingBuffering=!0,u.b.log("Demuxing "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s);this.demuxer.push(e.payload,g,c,null,t,n,!1,f)}else u.b.log("Unknown video PTS for cc "+l+", waiting for video PTS before demuxing audio frag "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s),this.waitingFragment=e,this.waitingVideoCC=this.videoTrackCC,this.state=Le}}this.fragLoadError=0},c.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e){var i,a=e.tracks;if(a.video&&delete a.video,i=a.audio){i.levelCodec=i.codec,i.id=e.id,this.hls.trigger(d.a.BUFFER_CODECS,a),u.b.log("audio track:audio,container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var n=i.initSegment;if(n){var s={type:"audio",data:n,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[s]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(d.a.BUFFER_APPENDING,s))}this.tick()}}},c.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"audio"===e.id&&"audio"===e.type&&i.sn===r.sn&&i.level===r.level&&this.state===_e){var a=this.trackId,n=this.tracks[a],s=this.hls;Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),r.addElementaryStream(p.AUDIO),u.b.log("parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb),te(n.details,r,e.startPTS,e.endPTS);var c=this.media,h=!1;if(this.audioSwitch)if(c&&c.readyState){var f=c.currentTime;u.b.log("switching audio track : currentTime:"+f),f>=e.startPTS&&(u.b.log("switching audio track : flushing all audio"),this.state=Ae,s.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),h=!0,this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a}))}else this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a});var g=this.pendingData;if(!g)return u.b.warn("Apparently attempt to enqueue media payload without codec initialization data upfront"),void s.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:null,fatal:!0});this.audioSwitch||([e.data1,e.data2].forEach((function(t){t&&t.length&&g.push({type:e.type,data:t,parent:"audio",content:"data"})})),!h&&g.length&&(g.forEach((function(e){t.state===_e&&(t.pendingBuffering=!0,t.hls.trigger(d.a.BUFFER_APPENDING,e))})),this.pendingData=[],this.appended=!0)),this.tick()}},c.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e&&(this.stats.tparsed=tt.now(),this.state=Re,this._checkAppendedParsed())},c.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},c.onBufferCreated=function(e){var t=e.tracks.audio;t&&(this.mediaBuffer=t.buffer,this.loadedmetadata=!0),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},c.onBufferAppended=function(e){if("audio"===e.parent){var t=this.state;t!==_e&&t!==Re||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},c._checkAppendedParsed=function(){if(!(this.state!==Re||this.appended&&this.pendingBuffering)){var e=this.fragCurrent,t=this.stats,r=this.hls;if(e){this.fragPrevious=e,t.tbuffered=tt.now(),r.trigger(d.a.FRAG_BUFFERED,{stats:t,frag:e,id:"audio"});var i=this.mediaBuffer?this.mediaBuffer:this.media;i&&u.b.log("audio buffered : "+ne.toString(i.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,r.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=me}this.tick()}},c.onError=function(e){var t=e.frag;if(!t||"audio"===t.type)switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:var r=e.frag;if(r&&"audio"!==r.type)break;if(!e.fatal){var i=this.fragLoadError;i?i++:i=1;var a=this.config;if(i<=a.fragLoadingMaxRetry){this.fragLoadError=i;var n=Math.min(Math.pow(2,i-1)*a.fragLoadingRetryDelay,a.fragLoadingMaxRetryTimeout);u.b.warn("AudioStreamController: frag loading failed, retry in "+n+" ms"),this.retryDate=tt.now()+n,this.state=Ee}else u.b.error("AudioStreamController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=we}break;case o.a.AUDIO_TRACK_LOAD_ERROR:case o.a.AUDIO_TRACK_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:this.state!==we&&(this.state=e.fatal?we:me,u.b.warn("AudioStreamController: "+e.details+" while loading frag, now switching to "+this.state+" state ..."));break;case o.a.BUFFER_FULL_ERROR:if("audio"===e.parent&&(this.state===_e||this.state===Re)){var s=this.mediaBuffer,l=this.media.currentTime;if(s&&H.isBuffered(s,l)&&H.isBuffered(s,l+.5)){var c=this.config;c.maxMaxBufferLength>=c.maxBufferLength&&(c.maxMaxBufferLength/=2,u.b.warn("AudioStreamController: reduce max buffer length to "+c.maxMaxBufferLength+"s")),this.state=me}else u.b.warn("AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=Ae,this.hls.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})}}},c.onBufferFlushed=function(){var e=this,t=this.pendingData;t&&t.length?(u.b.log("AudioStreamController: appending pending audio data after buffer flushed"),t.forEach((function(t){e.hls.trigger(d.a.BUFFER_APPENDING,t)})),this.appended=!0,this.pendingData=[],this.state=Re):(this.state=me,this.fragPrevious=null,this.tick())},a=i,(n=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,u.b.log("audio stream:"+t+"->"+e)}},get:function(){return this._state}}])&&et(a.prototype,n),s&&et(a,s),i}(Oe),it=function(){if("undefined"!=typeof window&&window.VTTCue)return window.VTTCue;var e={"":!0,lr:!0,rl:!0},t={start:!0,middle:!0,end:!0,left:!0,right:!0};function r(e){return"string"==typeof e&&(!!t[e.toLowerCase()]&&e.toLowerCase())}function i(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)e[i]=r[i]}return e}function a(t,a,n){var s=this,o={enumerable:!0};s.hasBeenReset=!1;var l="",d=!1,u=t,c=a,h=n,f=null,g="",p=!0,v="auto",m="start",y=50,b="middle",T=50,E="middle";Object.defineProperty(s,"id",i({},o,{get:function(){return l},set:function(e){l=""+e}})),Object.defineProperty(s,"pauseOnExit",i({},o,{get:function(){return d},set:function(e){d=!!e}})),Object.defineProperty(s,"startTime",i({},o,{get:function(){return u},set:function(e){if("number"!=typeof e)throw new TypeError("Start time must be set to a number.");u=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"endTime",i({},o,{get:function(){return c},set:function(e){if("number"!=typeof e)throw new TypeError("End time must be set to a number.");c=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"text",i({},o,{get:function(){return h},set:function(e){h=""+e,this.hasBeenReset=!0}})),Object.defineProperty(s,"region",i({},o,{get:function(){return f},set:function(e){f=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"vertical",i({},o,{get:function(){return g},set:function(t){var r=function(t){return"string"==typeof t&&(!!e[t.toLowerCase()]&&t.toLowerCase())}(t);if(!1===r)throw new SyntaxError("An invalid or illegal string was specified.");g=r,this.hasBeenReset=!0}})),Object.defineProperty(s,"snapToLines",i({},o,{get:function(){return p},set:function(e){p=!!e,this.hasBeenReset=!0}})),Object.defineProperty(s,"line",i({},o,{get:function(){return v},set:function(e){if("number"!=typeof e&&"auto"!==e)throw new SyntaxError("An invalid number or illegal string was specified.");v=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"lineAlign",i({},o,{get:function(){return m},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");m=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"position",i({},o,{get:function(){return y},set:function(e){if(e<0||e>100)throw new Error("Position must be between 0 and 100.");y=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"positionAlign",i({},o,{get:function(){return b},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");b=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"size",i({},o,{get:function(){return T},set:function(e){if(e<0||e>100)throw new Error("Size must be between 0 and 100.");T=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"align",i({},o,{get:function(){return E},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");E=t,this.hasBeenReset=!0}})),s.displayState=void 0}return a.prototype.getCueAsHTML=function(){return window.WebVTT.convertCueToDOMTree(window,this.text)},a}(),at=function(){return{decode:function(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}};function nt(){this.window=window,this.state="INITIAL",this.buffer="",this.decoder=new at,this.regionList=[]}function st(){this.values=Object.create(null)}function ot(e,t,r,i){var a=i?e.split(i):[e];for(var n in a)if("string"==typeof a[n]){var s=a[n].split(r);if(2===s.length)t(s[0],s[1])}}st.prototype={set:function(e,t){this.get(e)||""===t||(this.values[e]=t)},get:function(e,t,r){return r?this.has(e)?this.values[e]:t[r]:this.has(e)?this.values[e]:t},has:function(e){return e in this.values},alt:function(e,t,r){for(var i=0;i<r.length;++i)if(t===r[i]){this.set(e,t);break}},integer:function(e,t){/^-?\d+$/.test(t)&&this.set(e,parseInt(t,10))},percent:function(e,t){return!!(t.match(/^([\d]{1,3})(\.[\d]*)?%$/)&&(t=parseFloat(t))>=0&&t<=100)&&(this.set(e,t),!0)}};var lt=new it(0,0,0),dt="middle"===lt.align?"middle":"center";function ut(e,t,r){var i=e;function a(){var t=function(e){function t(e,t,r,i){return 3600*(0|e)+60*(0|t)+(0|r)+(0|i)/1e3}var r=e.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);return r?r[3]?t(r[1],r[2],r[3].replace(":",""),r[4]):r[1]>59?t(r[1],r[2],0,r[4]):t(0,r[1],r[2],r[4]):null}(e);if(null===t)throw new Error("Malformed timestamp: "+i);return e=e.replace(/^[^\sa-zA-Z-]+/,""),t}function n(){e=e.replace(/^\s+/,"")}if(n(),t.startTime=a(),n(),"--\x3e"!==e.substr(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): "+i);e=e.substr(3),n(),t.endTime=a(),n(),function(e,t){var i=new st;ot(e,(function(e,t){switch(e){case"region":for(var a=r.length-1;a>=0;a--)if(r[a].id===t){i.set(e,r[a].region);break}break;case"vertical":i.alt(e,t,["rl","lr"]);break;case"line":var n=t.split(","),s=n[0];i.integer(e,s),i.percent(e,s)&&i.set("snapToLines",!1),i.alt(e,s,["auto"]),2===n.length&&i.alt("lineAlign",n[1],["start",dt,"end"]);break;case"position":n=t.split(","),i.percent(e,n[0]),2===n.length&&i.alt("positionAlign",n[1],["start",dt,"end","line-left","line-right","auto"]);break;case"size":i.percent(e,t);break;case"align":i.alt(e,t,["start",dt,"end","left","right"])}}),/:/,/\s/),t.region=i.get("region",null),t.vertical=i.get("vertical","");var a=i.get("line","auto");"auto"===a&&-1===lt.line&&(a=-1),t.line=a,t.lineAlign=i.get("lineAlign","start"),t.snapToLines=i.get("snapToLines",!0),t.size=i.get("size",100),t.align=i.get("align",dt);var n=i.get("position","auto");"auto"===n&&50===lt.position&&(n="start"===t.align||"left"===t.align?0:"end"===t.align||"right"===t.align?100:50),t.position=n}(e,t)}function ct(e){return e.replace(/<br(?: \/)?>/gi,"\n")}nt.prototype={parse:function(e){var t=this;function r(){var e=t.buffer,r=0;for(e=ct(e);r<e.length&&"\r"!==e[r]&&"\n"!==e[r];)++r;var i=e.substr(0,r);return"\r"===e[r]&&++r,"\n"===e[r]&&++r,t.buffer=e.substr(r),i}e&&(t.buffer+=t.decoder.decode(e,{stream:!0}));try{var i;if("INITIAL"===t.state){if(!/\r\n|\n/.test(t.buffer))return this;var a=(i=r()).match(/^()?WEBVTT([ \t].*)?$/);if(!a||!a[0])throw new Error("Malformed WebVTT signature.");t.state="HEADER"}for(var n=!1;t.buffer;){if(!/\r\n|\n/.test(t.buffer))return this;switch(n?n=!1:i=r(),t.state){case"HEADER":/:/.test(i)?ot(i,(function(e,t){}),/:/):i||(t.state="ID");continue;case"NOTE":i||(t.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(i)){t.state="NOTE";break}if(!i)continue;if(t.cue=new it(0,0,""),t.state="CUE",-1===i.indexOf("--\x3e")){t.cue.id=i;continue}case"CUE":try{ut(i,t.cue,t.regionList)}catch(e){t.cue=null,t.state="BADCUE";continue}t.state="CUETEXT";continue;case"CUETEXT":var s=-1!==i.indexOf("--\x3e");if(!i||s&&(n=!0)){t.oncue&&t.oncue(t.cue),t.cue=null,t.state="ID";continue}t.cue.text&&(t.cue.text+="\n"),t.cue.text+=i;continue;case"BADCUE":i||(t.state="ID");continue}}}catch(e){"CUETEXT"===t.state&&t.cue&&t.oncue&&t.oncue(t.cue),t.cue=null,t.state="INITIAL"===t.state?"BADWEBVTT":"BADCUE"}return this},flush:function(){try{if(this.buffer+=this.decoder.decode(),(this.cue||"HEADER"===this.state)&&(this.buffer+="\n\n",this.parse()),"INITIAL"===this.state)throw new Error("Malformed WebVTT signature.")}catch(e){throw e}return this.onflush&&this.onflush(),this}};var ht=nt;function ft(e,t,r,i){for(var a,n,s,o,l,d=[],u=window.VTTCue||TextTrackCue,c=0;c<i.rows.length;c++)if(s=!0,o=0,l="",!(a=i.rows[c]).isEmpty()){for(var h=0;h<a.chars.length;h++)a.chars[h].uchar.match(/\s/)&&s?o++:(l+=a.chars[h].uchar,s=!1);a.cueStartTime=t,t===r&&(r+=1e-4),n=new u(t,r,ct(l.trim())),o>=16?o--:o++,navigator.userAgent.match(/Firefox\//)?n.line=c+1:n.line=c>7?c-2:c+1,n.align="left",n.position=Math.max(0,Math.min(100,o/32*100)),d.push(n),e&&e.addCue(n)}return d}var gt,pt={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},vt=function(e){var t=e;return pt.hasOwnProperty(e)&&(t=pt[e]),String.fromCharCode(t)},mt={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},yt={17:2,18:4,21:6,22:8,23:10,19:13,20:15},bt={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},Tt={25:2,26:4,29:6,30:8,31:10,27:13,28:15},Et=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];!function(e){e[e.ERROR=0]="ERROR",e[e.TEXT=1]="TEXT",e[e.WARNING=2]="WARNING",e[e.INFO=2]="INFO",e[e.DEBUG=3]="DEBUG",e[e.DATA=3]="DATA"}(gt||(gt={}));var St=function(){function e(){this.time=null,this.verboseLevel=gt.ERROR}return e.prototype.log=function(e,t){this.verboseLevel>=e&&u.b.log(this.time+" ["+e+"] "+t)},e}(),_t=function(e){for(var t=[],r=0;r<e.length;r++)t.push(e[r].toString(16));return t},Rt=function(){function e(e,t,r,i,a){this.foreground=void 0,this.underline=void 0,this.italics=void 0,this.background=void 0,this.flash=void 0,this.foreground=e||"white",this.underline=t||!1,this.italics=r||!1,this.background=i||"black",this.flash=a||!1}var t=e.prototype;return t.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},t.setStyles=function(e){for(var t=["foreground","underline","italics","background","flash"],r=0;r<t.length;r++){var i=t[r];e.hasOwnProperty(i)&&(this[i]=e[i])}},t.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},t.equals=function(e){return this.foreground===e.foreground&&this.underline===e.underline&&this.italics===e.italics&&this.background===e.background&&this.flash===e.flash},t.copy=function(e){this.foreground=e.foreground,this.underline=e.underline,this.italics=e.italics,this.background=e.background,this.flash=e.flash},t.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},e}(),At=function(){function e(e,t,r,i,a,n){this.uchar=void 0,this.penState=void 0,this.uchar=e||" ",this.penState=new Rt(t,r,i,a,n)}var t=e.prototype;return t.reset=function(){this.uchar=" ",this.penState.reset()},t.setChar=function(e,t){this.uchar=e,this.penState.copy(t)},t.setPenState=function(e){this.penState.copy(e)},t.equals=function(e){return this.uchar===e.uchar&&this.penState.equals(e.penState)},t.copy=function(e){this.uchar=e.uchar,this.penState.copy(e.penState)},t.isEmpty=function(){return" "===this.uchar&&this.penState.isDefault()},e}(),kt=function(){function e(e){this.chars=void 0,this.pos=void 0,this.currPenState=void 0,this.cueStartTime=void 0,this.logger=void 0,this.chars=[];for(var t=0;t<100;t++)this.chars.push(new At);this.logger=e,this.pos=0,this.currPenState=new Rt}var t=e.prototype;return t.equals=function(e){for(var t=!0,r=0;r<100;r++)if(!this.chars[r].equals(e.chars[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<100;t++)this.chars[t].copy(e.chars[t])},t.isEmpty=function(){for(var e=!0,t=0;t<100;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e},t.setCursor=function(e){this.pos!==e&&(this.pos=e),this.pos<0?(this.logger.log(gt.DEBUG,"Negative cursor position "+this.pos),this.pos=0):this.pos>100&&(this.logger.log(gt.DEBUG,"Too large cursor position "+this.pos),this.pos=100)},t.moveCursor=function(e){var t=this.pos+e;if(e>1)for(var r=this.pos+1;r<t+1;r++)this.chars[r].setPenState(this.currPenState);this.setCursor(t)},t.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},t.insertChar=function(e){e>=144&&this.backSpace();var t=vt(e);this.pos>=100?this.logger.log(gt.ERROR,"Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1))},t.clearFromPos=function(e){var t;for(t=e;t<100;t++)this.chars[t].reset()},t.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},t.clearToEndOfRow=function(){this.clearFromPos(this.pos)},t.getTextString=function(){for(var e=[],t=!0,r=0;r<100;r++){var i=this.chars[r].uchar;" "!==i&&(t=!1),e.push(i)}return t?"":e.join("")},t.setPenStyles=function(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)},e}(),wt=function(){function e(e){this.rows=void 0,this.currRow=void 0,this.nrRollUpRows=void 0,this.lastOutputScreen=void 0,this.logger=void 0,this.rows=[];for(var t=0;t<15;t++)this.rows.push(new kt(e));this.logger=e,this.currRow=14,this.nrRollUpRows=null,this.lastOutputScreen=null,this.reset()}var t=e.prototype;return t.reset=function(){for(var e=0;e<15;e++)this.rows[e].clear();this.currRow=14},t.equals=function(e){for(var t=!0,r=0;r<15;r++)if(!this.rows[r].equals(e.rows[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<15;t++)this.rows[t].copy(e.rows[t])},t.isEmpty=function(){for(var e=!0,t=0;t<15;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e},t.backSpace=function(){this.rows[this.currRow].backSpace()},t.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},t.insertChar=function(e){this.rows[this.currRow].insertChar(e)},t.setPen=function(e){this.rows[this.currRow].setPenStyles(e)},t.moveCursor=function(e){this.rows[this.currRow].moveCursor(e)},t.setCursor=function(e){this.logger.log(gt.INFO,"setCursor: "+e),this.rows[this.currRow].setCursor(e)},t.setPAC=function(e){this.logger.log(gt.INFO,"pacData = "+JSON.stringify(e));var t=e.row-1;if(this.nrRollUpRows&&t<this.nrRollUpRows-1&&(t=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==t){for(var r=0;r<15;r++)this.rows[r].clear();var i=this.currRow+1-this.nrRollUpRows,a=this.lastOutputScreen;if(a){var n=a.rows[i].cueStartTime,s=this.logger.time;if(n&&null!==s&&n<s)for(var o=0;o<this.nrRollUpRows;o++)this.rows[t-this.nrRollUpRows+o+1].copy(a.rows[i+o])}}this.currRow=t;var l=this.rows[this.currRow];if(null!==e.indent){var d=e.indent,u=Math.max(d-1,0);l.setCursor(e.indent),e.color=l.chars[u].penState.foreground}var c={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(c)},t.setBkgData=function(e){this.logger.log(gt.INFO,"bkgData = "+JSON.stringify(e)),this.backSpace(),this.setPen(e),this.insertChar(32)},t.setRollUpRows=function(e){this.nrRollUpRows=e},t.rollUp=function(){if(null!==this.nrRollUpRows){this.logger.log(gt.TEXT,this.getDisplayText());var e=this.currRow+1-this.nrRollUpRows,t=this.rows.splice(e,1)[0];t.clear(),this.rows.splice(this.currRow,0,t),this.logger.log(gt.INFO,"Rolling up")}else this.logger.log(gt.DEBUG,"roll_up but nrRollUpRows not set yet")},t.getDisplayText=function(e){e=e||!1;for(var t=[],r="",i=-1,a=0;a<15;a++){var n=this.rows[a].getTextString();n&&(i=a+1,e?t.push("Row "+i+": '"+n+"'"):t.push(n.trim()))}return t.length>0&&(r=e?"["+t.join(" | ")+"]":t.join("\n")),r},t.getTextAndFormat=function(){return this.rows},e}(),Lt=function(){function e(e,t,r){this.chNr=void 0,this.outputFilter=void 0,this.mode=void 0,this.verbose=void 0,this.displayedMemory=void 0,this.nonDisplayedMemory=void 0,this.lastOutputScreen=void 0,this.currRollUpRow=void 0,this.writeScreen=void 0,this.cueStartTime=void 0,this.logger=void 0,this.chNr=e,this.outputFilter=t,this.mode=null,this.verbose=0,this.displayedMemory=new wt(r),this.nonDisplayedMemory=new wt(r),this.lastOutputScreen=new wt(r),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null,this.logger=r}var t=e.prototype;return t.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.outputFilter.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},t.getHandler=function(){return this.outputFilter},t.setHandler=function(e){this.outputFilter=e},t.setPAC=function(e){this.writeScreen.setPAC(e)},t.setBkgData=function(e){this.writeScreen.setBkgData(e)},t.setMode=function(e){e!==this.mode&&(this.mode=e,this.logger.log(gt.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)},t.insertChars=function(e){for(var t=0;t<e.length;t++)this.writeScreen.insertChar(e[t]);var r=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";this.logger.log(gt.INFO,r+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(this.logger.log(gt.TEXT,"DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},t.ccRCL=function(){this.logger.log(gt.INFO,"RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},t.ccBS=function(){this.logger.log(gt.INFO,"BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},t.ccAOF=function(){},t.ccAON=function(){},t.ccDER=function(){this.logger.log(gt.INFO,"DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},t.ccRU=function(e){this.logger.log(gt.INFO,"RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)},t.ccFON=function(){this.logger.log(gt.INFO,"FON - Flash On"),this.writeScreen.setPen({flash:!0})},t.ccRDC=function(){this.logger.log(gt.INFO,"RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},t.ccTR=function(){this.logger.log(gt.INFO,"TR"),this.setMode("MODE_TEXT")},t.ccRTD=function(){this.logger.log(gt.INFO,"RTD"),this.setMode("MODE_TEXT")},t.ccEDM=function(){this.logger.log(gt.INFO,"EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},t.ccCR=function(){this.logger.log(gt.INFO,"CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},t.ccENM=function(){this.logger.log(gt.INFO,"ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},t.ccEOC=function(){if(this.logger.log(gt.INFO,"EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var e=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,this.logger.log(gt.TEXT,"DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)},t.ccTO=function(e){this.logger.log(gt.INFO,"TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)},t.ccMIDROW=function(e){var t={flash:!1};if(t.underline=e%2==1,t.italics=e>=46,t.italics)t.foreground="white";else{var r=Math.floor(e/2)-16;t.foreground=["white","green","blue","cyan","red","yellow","magenta"][r]}this.logger.log(gt.INFO,"MIDROW: "+JSON.stringify(t)),this.writeScreen.setPen(t)},t.outputDataUpdate=function(e){void 0===e&&(e=!1);var t=this.logger.time;null!==t&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),e&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))},t.cueSplitAtTime=function(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))},e}();function Dt(e,t,r){r.a=e,r.b=t}function Ot(e,t,r){return r.a===e&&r.b===t}var Ct=function(){function e(e,t,r){this.channels=void 0,this.currentChannel=0,this.cmdHistory=void 0,this.logger=void 0;var i=new St;this.channels=[null,new Lt(e,t,i),new Lt(e+1,r,i)],this.cmdHistory={a:null,b:null},this.logger=i}var t=e.prototype;return t.getHandler=function(e){return this.channels[e].getHandler()},t.setHandler=function(e,t){this.channels[e].setHandler(t)},t.addData=function(e,t){var r,i,a,n=!1;this.logger.time=e;for(var s=0;s<t.length;s+=2)if(i=127&t[s],a=127&t[s+1],0!==i||0!==a){if(this.logger.log(gt.DATA,"["+_t([t[s],t[s+1]])+"] -> ("+_t([i,a])+")"),(r=this.parseCmd(i,a))||(r=this.parseMidrow(i,a)),r||(r=this.parsePAC(i,a)),r||(r=this.parseBackgroundAttributes(i,a)),!r&&(n=this.parseChars(i,a))){var o=this.currentChannel;if(o&&o>0)this.channels[o].insertChars(n);else this.logger.log(gt.WARNING,"No channel found yet. TEXT-MODE?")}r||n||this.logger.log(gt.WARNING,"Couldn't parse cleaned data
"+_t([i,a])+" orig
: "+_t([t[s],t[s+1]]))}},t.parseCmd=function(e,t){var r=this.cmdHistory;if(!((20===e||28===e||21===e||29===e)&&t>=32&&t<=47)&&!((23===e||31===e)&&t>=33&&t<=35))return!1;if(Ot(e,t,r))return Dt(null,null,r),this.logger.log(gt.DEBUG,"Repeated
command ("+_t([e,t])+") is dropped
"),!0;var i=20===e||21===e||23===e?1:2,a=this.channels[i];return 20===e||21===e||28===e||29===e?32===t?a.ccRCL():33===t?a.ccBS():34===t?a.ccAOF():35===t?a.ccAON():36===t?a.ccDER():37===t?a.ccRU(2):38===t?a.ccRU(3):39===t?a.ccRU(4):40===t?a.ccFON():41===t?a.ccRDC():42===t?a.ccTR():43===t?a.ccRTD():44===t?a.ccEDM():45===t?a.ccCR():46===t?a.ccENM():47===t&&a.ccEOC():a.ccTO(t-32),Dt(e,t,r),this.currentChannel=i,!0},t.parseMidrow=function(e,t){var r=0;if((17===e||25===e)&&t>=32&&t<=47){if((r=17===e?1:2)!==this.currentChannel)return this.logger.log(gt.ERROR,"Mismatch channel
in midrow parsing
"),!1;var i=this.channels[r];return!!i&&(i.ccMIDROW(t),this.logger.log(gt.DEBUG,"MIDROW ("+_t([e,t])+")"),!0)}return!1},t.parsePAC=function(e,t){var r,i=this.cmdHistory;if(!((e>=17&&e<=23||e>=25&&e<=31)&&t>=64&&t<=127)&&!((16===e||24===e)&&t>=64&&t<=95))return!1;if(Ot(e,t,i))return Dt(null,null,i),!0;var a=e<=23?1:2;r=t>=64&&t<=95?1===a?mt[e]:bt[e]:1===a?yt[e]:Tt[e];var n=this.channels[a];return!!n&&(n.setPAC(this.interpretPAC(r,t)),Dt(e,t,i),this.currentChannel=a,!0)},t.interpretPAC=function(e,t){var r=t,i={color:null,italics:!1,indent:null,underline:!1,row:e};return r=t>95?t-96:t-64,i.underline=1==(1&r),r<=13?i.color=["white
","green
","blue
","cyan
","red
","yellow
","magenta
","white
"][Math.floor(r/2)]:r<=15?(i.italics=!0,i.color="white
"):i.indent=4*Math.floor((r-16)/2),i},t.parseChars=function(e,t){var r,i=null,a=null;if(e>=25?(r=2,a=e-8):(r=1,a=e),a>=17&&a<=19){var n=t;n=17===a?t+80:18===a?t+112:t+144,this.logger.log(gt.INFO,"Special
char '"+vt(n)+"' in channel
"+r),i=[n]}else e>=32&&e<=127&&(i=0===t?[e]:[e,t]);if(i){var s=_t(i);this.logger.log(gt.DEBUG,"Char codes
= "+s.join(",")),Dt(e,t,this.cmdHistory)}return i},t.parseBackgroundAttributes=function(e,t){var r;if(!((16===e||24===e)&&t>=32&&t<=47)&&!((23===e||31===e)&&t>=45&&t<=47))return!1;var i={};16===e||24===e?(r=Math.floor((t-32)/2),i.background=Et[r],t%2==1&&(i.background=i.background+"_semi
")):45===t?i.background="transparent
":(i.foreground="black
",47===t&&(i.underline=!0));var a=e<=23?1:2;return this.channels[a].setBkgData(i),Dt(e,t,this.cmdHistory),!0},t.reset=function(){for(var e=0;e<Object.keys(this.channels).length;e++){var t=this.channels[e];t&&t.reset()}this.cmdHistory={a:null,b:null}},t.cueSplitAtTime=function(e){for(var t=0;t<this.channels.length;t++){var r=this.channels[t];r&&r.cueSplitAtTime(e)}},e}(),It=function(){function e(e,t){this.timelineController=void 0,this.cueRanges=[],this.trackName=void 0,this.startTime=null,this.endTime=null,this.screen=null,this.timelineController=e,this.trackName=t}var t=e.prototype;return t.dispatchCue=function(){null!==this.startTime&&(this.timelineController.addCues(this.trackName,this.startTime,this.endTime,this.screen,this.cueRanges),this.startTime=null)},t.newCue=function(e,t,r){(null===this.startTime||this.startTime>e)&&(this.startTime=e),this.endTime=t,this.screen=r,this.timelineController.createCaptionsTrack(this.trackName)},t.reset=function(){this.cueRanges=[]},e}(),Pt=function(e,t,r){return e.substr(r||0,t.length)===t},xt=function(e){for(var t=5381,r=e.length;r;)t=33*t^e.charCodeAt(--r);return(t>>>0).toString()},Mt={parse:function(e,t,r,i,a,n){var s,o=Object(Fe.b)(new Uint8Array(e)).trim().replace(/\r\n|\n\r|\n|\r/g,"\n").split("\n"),d="00:00.000",u=0,c=0,h=0,f=[],g=!0,p=!1,v=new ht;v.oncue=function(e){var t=r[i],a=r.ccOffset;t&&t.new&&(void 0!==c?a=r.ccOffset=t.start:function(e,t,r){var i=e[t],a=e[i.prevCC];if(!a||!a.new&&i.new)return e.ccOffset=e.presentationOffset=i.start,void(i.new=!1);for(;a&&a.new;)e.ccOffset+=i.start-a.start,i.new=!1,a=e[(i=a).prevCC];e.presentationOffset=r}(r,i,h)),h&&(a=h-r.presentationOffset),p&&(e.startTime+=a-c,e.endTime+=a-c),e.id=xt(e.startTime.toString())+xt(e.endTime.toString())+xt(e.text),e.text=decodeURIComponent(encodeURIComponent(e.text)),e.endTime>0&&f.push(e)},v.onparsingerror=function(e){s=e},v.onflush=function(){s&&n?n(s):a(f)},o.forEach((function(e){if(g){if(Pt(e,"X
-TIMESTAMP
-MAP
=")){g=!1,p=!0,e.substr(16).split(",").forEach((function(e){Pt(e,"LOCAL
:")?d=e.substr(6):Pt(e,"MPEGTS
:")&&(u=parseInt(e.substr(7)))}));try{t+(9e4*r[i].start||0)<0&&(t+=8589934592),u-=t,c=function(e){var t=parseInt(e.substr(-3)),r=parseInt(e.substr(-6,2)),i=parseInt(e.substr(-9,2)),a=e.length>9?parseInt(e.substr(0,e.indexOf(":"))):0;if(!(Object(l.a)(t)&&Object(l.a)(r)&&Object(l.a)(i)&&Object(l.a)(a)))throw Error("Malformed X
-TIMESTAMP
-MAP
: Local
:"+e);return t+=1e3*r,t+=6e4*i,t+=36e5*a}(d)/1e3,h=u/9e4}catch(e){p=!1,s=e}return}""===e&&(g=!1)}v.parse(e+"\n")})),v.flush()}};function Ft(e){if(void 0===e)throw new ReferenceError("this hasn
't been initialised - super() hasn't been called
");return e}function Ut(e,t){return e&&e.label===t.name&&!(e.textTrack1||e.textTrack2)}var Nt=function(e){var t,r;function i(t){var r;if((r=e.call(this,t,d.a.MEDIA_ATTACHING,d.a.MEDIA_DETACHING,d.a.FRAG_PARSING_USERDATA,d.a.FRAG_DECRYPTED,d.a.MANIFEST_LOADING,d.a.MANIFEST_LOADED,d.a.FRAG_LOADED,d.a.INIT_PTS_FOUND)||this).media=null,r.config=void 0,r.enabled=!0,r.Cues=void 0,r.textTracks=[],r.tracks=[],r.initPTS=[],r.unparsedVttFrags=[],r.captionsTracks={},r.nonNativeCaptionsTracks={},r.captionsProperties=void 0,r.cea608Parser1=void 0,r.cea608Parser2=void 0,r.lastSn=-1,r.prevCC=-1,r.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},r.hls=t,r.config=t.config,r.Cues=t.config.cueHandler,r.captionsProperties={textTrack1:{label:r.config.captionsTextTrack1Label,languageCode:r.config.captionsTextTrack1LanguageCode},textTrack2:{label:r.config.captionsTextTrack2Label,languageCode:r.config.captionsTextTrack2LanguageCode},textTrack3:{label:r.config.captionsTextTrack3Label,languageCode:r.config.captionsTextTrack3LanguageCode},textTrack4:{label:r.config.captionsTextTrack4Label,languageCode:r.config.captionsTextTrack4LanguageCode}},r.config.enableCEA708Captions){var i=new It(Ft(r),"textTrack1
"),a=new It(Ft(r),"textTrack2
"),n=new It(Ft(r),"textTrack3
"),s=new It(Ft(r),"textTrack4
");r.cea608Parser1=new Ct(1,i,a),r.cea608Parser2=new Ct(3,n,s)}return r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.addCues=function(e,t,r,i,a){for(var n,s,o,l,u=!1,c=a.length;c--;){var h=a[c],f=(n=h[0],s=h[1],o=t,l=r,Math.min(s,l)-Math.max(n,o));if(f>=0&&(h[0]=Math.min(h[0],t),h[1]=Math.max(h[1],r),u=!0,f/(r-t)>.5))return}if(u||a.push([t,r]),this.config.renderTextTracksNatively)this.Cues.newCue(this.captionsTracks[e],t,r,i);else{var g=this.Cues.newCue(null,t,r,i);this.hls.trigger(d.a.CUES_PARSED,{type:"captions
",cues:g,track:e})}},a.onInitPtsFound=function(e){var t=this,r=e.frag,i=e.id,a=e.initPTS,n=this.unparsedVttFrags;"main
"===i&&(this.initPTS[r.cc]=a),n.length&&(this.unparsedVttFrags=[],n.forEach((function(e){t.onFragLoaded(e)})))},a.getExistingTrack=function(e){var t=this.media;if(t)for(var r=0;r<t.textTracks.length;r++){var i=t.textTracks[r];if(i[e])return i}return null},a.createCaptionsTrack=function(e){this.config.renderTextTracksNatively?this.createNativeTrack(e):this.createNonNativeTrack(e)},a.createNativeTrack=function(e){if(!this.captionsTracks[e]){var t=this.captionsProperties,r=this.captionsTracks,i=this.media,a=t[e],n=a.label,s=a.languageCode,o=this.getExistingTrack(e);if(o)r[e]=o,Ne(r[e]),Ue(r[e],i);else{var l=this.createTextTrack("captions
",n,s);l&&(l[e]=!0,r[e]=l)}}},a.createNonNativeTrack=function(e){if(!this.nonNativeCaptionsTracks[e]){var t=this.captionsProperties[e];if(t){var r={_id:e,label:t.label,kind:"captions
",default:!!t.media&&!!t.media.default,closedCaptions:t.media};this.nonNativeCaptionsTracks[e]=r,this.hls.trigger(d.a.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:[r]})}}},a.createTextTrack=function(e,t,r){var i=this.media;if(i)return i.addTextTrack(e,t,r)},a.destroy=function(){e.prototype.destroy.call(this)},a.onMediaAttaching=function(e){this.media=e.media,this._cleanTracks()},a.onMediaDetaching=function(){var e=this.captionsTracks;Object.keys(e).forEach((function(t){Ne(e[t]),delete e[t]})),this.nonNativeCaptionsTracks={}},a.onManifestLoading=function(){this.lastSn=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},this._cleanTracks(),this.tracks=[],this.captionsTracks={},this.nonNativeCaptionsTracks={}},a._cleanTracks=function(){var e=this.media;if(e){var t=e.textTracks;if(t)for(var r=0;r<t.length;r++)Ne(t[r])}},a.onManifestLoaded=function(e){var t=this;if(this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=[],this.cea608Parser1&&this.cea608Parser2&&(this.cea608Parser1.reset(),this.cea608Parser2.reset()),this.config.enableWebVTT){var r=e.subtitles||[],i=this.tracks&&r&&this.tracks.length===r.length;if(this.tracks=e.subtitles||[],this.config.renderTextTracksNatively){var a=this.media?this.media.textTracks:[];this.tracks.forEach((function(e,r){var i;if(r<a.length){for(var n=null,s=0;s<a.length;s++)if(Ut(a[s],e)){n=a[s];break}n&&(i=n)}i||(i=t.createTextTrack("subtitles
",e.name,e.lang)),e.default?i.mode=t.hls.subtitleDisplay?"showing
":"hidden
":i.mode="disabled
",t.textTracks.push(i)}))}else if(!i&&this.tracks&&this.tracks.length){var n=this.tracks.map((function(e){return{label:e.name,kind:e.type.toLowerCase(),default:e.default,subtitleTrack:e}}));this.hls.trigger(d.a.NON_NATIVE_TEXT_TRACKS_FOUND,{tracks:n})}}this.config.enableCEA708Captions&&e.captions&&e.captions.forEach((function(e){var r=/(?:CC|SERVICE)([1-4])/.exec(e.instreamId);if(r){var i="textTrack
"+r[1],a=t.captionsProperties[i];a&&(a.label=e.name,e.lang&&(a.languageCode=e.lang),a.media=e)}}))},a.onFragLoaded=function(e){var t=e.frag,r=e.payload,i=this.cea608Parser1,a=this.cea608Parser2,n=this.initPTS,s=this.lastSn,o=this.unparsedVttFrags;if("main
"===t.type){var u=t.sn;t.sn!==s+1&&i&&a&&(i.reset(),a.reset()),this.lastSn=u}else if("subtitle
"===t.type)if(r.byteLength){if(!Object(l.a)(n[t.cc]))return o.push(e),void(n.length&&this.hls.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t}));var c=t.decryptdata;null!=c&&null!=c.key&&"AES
-128"===c.method||this._parseVTTs(t,r)}else this.hls.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})},a._parseVTTs=function(e,t){var r=this,i=this.hls,a=this.prevCC,n=this.textTracks,s=this.vttCCs;s[e.cc]||(s[e.cc]={start:e.start,prevCC:a,new:!0},this.prevCC=e.cc),Mt.parse(t,this.initPTS[e.cc],s,e.cc,(function(t){if(r.config.renderTextTracksNatively){var a=n[e.level];if("disabled
"===a.mode)return void i.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e});t.forEach((function(e){if(!a.cues.getCueById(e.id))try{if(a.addCue(e),!a.cues.getCueById(e.id))throw new Error("addCue is failed
for: "+e)}catch(r){u.b.debug("Failed occurred on adding cues
: "+r);var t=new window.TextTrackCue(e.startTime,e.endTime,e.text);t.id=e.id,a.addCue(t)}}))}else{var s=r.tracks[e.level].default?"default":"subtitles
"+e.level;i.trigger(d.a.CUES_PARSED,{type:"subtitles
",cues:t,track:s})}i.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})}),(function(t){u.b.log("Failed to parse VTT cue
: "+t),i.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}))},a.onFragDecrypted=function(e){var t=e.frag,r=e.payload;if("subtitle
"===t.type){if(!Object(l.a)(this.initPTS[t.cc]))return void this.unparsedVttFrags.push(e);this._parseVTTs(t,r)}},a.onFragParsingUserdata=function(e){var t=this.cea608Parser1,r=this.cea608Parser2;if(this.enabled&&t&&r)for(var i=0;i<e.samples.length;i++){var a=e.samples[i].bytes;if(a){var n=this.extractCea608Data(a);t.addData(e.samples[i].pts,n[0]),r.addData(e.samples[i].pts,n[1])}}},a.extractCea608Data=function(e){for(var t=31&e[0],r=2,i=[[],[]],a=0;a<t;a++){var n=e[r++],s=127&e[r++],o=127&e[r++],l=3&n;0===s&&0===o||0!=(4&n)&&(0!==l&&1!==l||(i[l].push(s),i[l].push(o)))}return i},i}(h);function Bt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value
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"===i.kind&&i.label&&t.push(e[r])}return t}var Kt=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.MANIFEST_LOADED,d.a.SUBTITLE_TRACK_LOADED)||this).tracks=[],r.trackId=-1,r.media=null,r.stopped=!0,r.subtitleDisplay=!0,r.queuedDefaultTrack=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,o=i.prototype;return o.destroy=function(){h.prototype.destroy.call(this)},o.onMediaAttached=function(e){var t=this;this.media=e.media,this.media&&(Object(l.a)(this.queuedDefaultTrack)&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=null),this.trackChangeListener=this._onTextTracksChanged.bind(this),this.useTextTrackPolling=!(this.media.textTracks&&"onchange
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",this.trackChangeListener),Object(l.a)(this.subtitleTrack)&&(this.queuedDefaultTrack=this.subtitleTrack),Gt(this.media.textTracks).forEach((function(e){Ne(e)})),this.subtitleTrack=-1,this.media=null)},o.onManifestLoaded=function(e){var t=this,r=e.subtitles||[];this.tracks=r,this.hls.trigger(d.a.SUBTITLE_TRACKS_UPDATED,{subtitleTracks:r}),r.forEach((function(e){e.default&&(t.media?t.subtitleTrack=e.id:t.queuedDefaultTrack=e.id)}))},o.onSubtitleTrackLoaded=function(e){var t=this,r=e.id,i=e.details,a=this.trackId,n=this.tracks,s=n[a];if(r>=n.length||r!==a||!s||this.stopped)this._clearReloadTimer();else if(u.b.log("subtitle track
"+r+" loaded
"),i.live){var o=ae(s.details,i,e.stats.trequest);u.b.log("Reloading live subtitle playlist
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"),this.timer=setTimeout((function(){t._loadCurrentTrack()}),o)}else this._clearReloadTimer()},o.startLoad=function(){this.stopped=!1,this._loadCurrentTrack()},o.stopLoad=function(){this.stopped=!0,this._clearReloadTimer()},o._clearReloadTimer=function(){this.timer&&(clearTimeout(this.timer),this.timer=null)},o._loadCurrentTrack=function(){var e=this.trackId,t=this.tracks,r=this.hls,i=t[e];e<0||!i||i.details&&!i.details.live||(u.b.log("Loading subtitle track
"+e),r.trigger(d.a.SUBTITLE_TRACK_LOADING,{url:i.url,id:e}))},o._toggleTrackModes=function(e){var t=this.media,r=this.subtitleDisplay,i=this.trackId;if(t){var a=Gt(t.textTracks);if(-1===e)[].slice.call(a).forEach((function(e){e.mode="disabled
"}));else{var n=a[i];n&&(n.mode="disabled
")}var s=a[e];s&&(s.mode=r?"showing
":"hidden
")}},o._setSubtitleTrackInternal=function(e){var t=this.hls,r=this.tracks;!Object(l.a)(e)||e<-1||e>=r.length||(this.trackId=e,u.b.log("Switching to subtitle track
"+e),t.trigger(d.a.SUBTITLE_TRACK_SWITCH,{id:e}),this._loadCurrentTrack())},o._onTextTracksChanged=function(){if(this.media&&this.hls.config.renderTextTracksNatively){for(var e=-1,t=Gt(this.media.textTracks),r=0;r<t.length;r++)if("hidden
"===t[r].mode)e=r;else if("showing
"===t[r].mode){e=r;break}this.subtitleTrack=e}},a=i,(n=[{key:"subtitleTracks
",get:function(){return this.tracks}},{key:"subtitleTrack
",get:function(){return this.trackId},set:function(e){this.trackId!==e&&(this._toggleTrackModes(e),this._setSubtitleTrackInternal(e))}}])&&Bt(a.prototype,n),s&&Bt(a,s),i}(h),jt=r(7);var Ht,Vt=window.performance,Yt=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.ERROR,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.SUBTITLE_TRACKS_UPDATED,d.a.SUBTITLE_TRACK_SWITCH,d.a.SUBTITLE_TRACK_LOADED,d.a.SUBTITLE_FRAG_PROCESSED,d.a.LEVEL_UPDATED)||this).fragmentTracker=r,i.config=t.config,i.state=pe,i.tracks=[],i.tracksBuffered=[],i.currentTrackId=-1,i.decrypter=new jt.a(t,t.config),i.lastAVStart=0,i._onMediaSeeking=i.onMediaSeeking.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn
't been initialised - super() hasn't been called
");return e}(i)),i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.startLoad=function(){this.stopLoad(),this.state=me;var e=this.tracks[this.currentTrackId];e&&e.details&&(this.setInterval(500),this.tick())},a.onSubtitleFragProcessed=function(e){var t=e.frag,r=e.success;if(this.fragPrevious=t,this.state=me,r){var i=this.tracksBuffered[this.currentTrackId];if(i){for(var a,n=t.start,s=0;s<i.length;s++)if(n>=i[s].start&&n<=i[s].end){a=i[s];break}var o=t.start+t.duration;a?a.end=o:(a={start:n,end:o},i.push(a))}}},a.onMediaAttached=function(e){var t=e.media;this.media=t,t.addEventListener("seeking
",this._onMediaSeeking),this.state=me},a.onMediaDetaching=function(){var e=this;this.media&&(this.media.removeEventListener("seeking
",this._onMediaSeeking),this.fragmentTracker.removeAllFragments(),this.currentTrackId=-1,this.tracks.forEach((function(t){e.tracksBuffered[t.id]=[]})),this.media=null,this.state=pe)},a.onError=function(e){var t=e.frag;t&&"subtitle
"===t.type&&(this.fragCurrent&&this.fragCurrent.loader&&this.fragCurrent.loader.abort(),this.state=me)},a.onSubtitleTracksUpdated=function(e){var t=this;u.b.log("subtitle tracks updated
"),this.tracksBuffered=[],this.tracks=e.subtitleTracks,this.tracks.forEach((function(e){t.tracksBuffered[e.id]=[]}))},a.onSubtitleTrackSwitch=function(e){if(this.currentTrackId=e.id,this.tracks&&this.tracks.length&&-1!==this.currentTrackId){var t=this.tracks[this.currentTrackId];t&&t.details&&this.setInterval(500)}else this.clearInterval()},a.onSubtitleTrackLoaded=function(e){var t=e.id,r=e.details,i=this.currentTrackId,a=this.tracks,n=a[i];t>=a.length||t!==i||!n||(r.live&&function(e,t,r){void 0===r&&(r=0);var i=-1;ie(e,t,(function(e,t,r){t.start=e.start,i=r}));var a=t.fragments;if(i<0)a.forEach((function(e){e.start+=r}));else for(var n=i+1;n<a.length;n++)a[n].start=a[n-1].start+a[n-1].duration}(n.details,r,this.lastAVStart),n.details=r,this.setInterval(500))},a.onKeyLoaded=function(){this.state===be&&(this.state=me)},a.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag.decryptdata,i=e.frag,a=this.hls;if(this.state===Te&&t&&"subtitle
"===e.frag.type&&t.sn===e.frag.sn&&e.payload.byteLength>0&&r&&r.key&&"AES
-128"===r.method){var n=Vt.now();this.decrypter.decrypt(e.payload,r.key.buffer,r.iv.buffer,(function(e){var t=Vt.now();a.trigger(d.a.FRAG_DECRYPTED,{frag:i,payload:e,stats:{tstart:n,tdecrypt:t}})}))}},a.onLevelUpdated=function(e){var t=e.details.fragments;this.lastAVStart=t.length?t[0].start:0},a.doTick=function(){if(this.media)switch(this.state){case me:var e=this.config,t=this.currentTrackId,r=this.fragmentTracker,i=this.media,a=this.tracks;if(!a||!a[t]||!a[t].details)break;var n,s=e.maxBufferHole,o=e.maxFragLookUpTolerance,l=Math.min(e.maxBufferLength,e.maxMaxBufferLength),c=H.bufferedInfo(this._getBuffered(),i.currentTime,s),h=c.end,f=c.len,g=a[t].details,p=g.fragments,v=p.length,m=p[v-1].start+p[v-1].duration;if(f>l)return;var y=this.fragPrevious;h<m?(y&&g.hasProgramDateTime&&(n=le(p,y.endProgramDateTime,o)),n||(n=de(y,p,h,o))):n=p[v-1],n&&n.encrypted?(u.b.log("Loading key
for "+n.sn),this.state=be,this.hls.trigger(d.a.KEY_LOADING,{frag:n})):n&&r.getState(n)===U&&(this.fragCurrent=n,this.state=Te,this.hls.trigger(d.a.FRAG_LOADING,{frag:n}))}else this.state=me},a.stopLoad=function(){this.lastAVStart=0,this.fragPrevious=null,e.prototype.stopLoad.call(this)},a._getBuffered=function(){return this.tracksBuffered[this.currentTrackId]||[]},a.onMediaSeeking=function(){if(this.fragCurrent){var e=this.media?this.media.currentTime:0,t=this.config.maxFragLookUpTolerance,r=this.fragCurrent.start-t,i=this.fragCurrent.start+this.fragCurrent.duration+t;(e<r||e>i)&&(this.fragCurrent.loader&&this.fragCurrent.loader.abort(),this.fragmentTracker.removeFragment(this.fragCurrent),this.fragCurrent=null,this.fragPrevious=null,this.state=me,this.tick())}},i}(Oe);!function(e){e.WIDEVINE="com
.widevine
.alpha
",e.PLAYREADY="com
.microsoft
.playready
"}(Ht||(Ht={}));var Wt="undefined"!=typeof window&&window.navigator&&window.navigator.requestMediaKeySystemAccess?window.navigator.requestMediaKeySystemAccess.bind(window.navigator):null;function qt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value
"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Xt=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHED,d.a.MANIFEST_PARSED)||this)._widevineLicenseUrl=void 0,r._licenseXhrSetup=void 0,r._emeEnabled=void 0,r._requestMediaKeySystemAccess=void 0,r._drmSystemOptions=void 0,r._config=void 0,r._mediaKeysList=[],r._media=null,r._hasSetMediaKeys=!1,r._requestLicenseFailureCount=0,r.mediaKeysPromise=null,r._onMediaEncrypted=function(e){if(u.b.log('Media is encrypted using "'+e.initDataType+'" init data type'),!r.mediaKeysPromise)return u.b.error("Fatal
: Media is encrypted but no CDM access or no keys have been requested
"),void r.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_KEYS,fatal:!0});var t=function(t){r._media&&(r._attemptSetMediaKeys(t),r._generateRequestWithPreferredKeySession(e.initDataType,e.initData))};r.mediaKeysPromise.then(t).catch(t)},r._config=t.config,r._widevineLicenseUrl=r._config.widevineLicenseUrl,r._licenseXhrSetup=r._config.licenseXhrSetup,r._emeEnabled=r._config.emeEnabled,r._requestMediaKeySystemAccess=r._config.requestMediaKeySystemAccessFunc,r._drmSystemOptions=t.config.drmSystemOptions,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.getLicenseServerUrl=function(e){switch(e){case Ht.WIDEVINE:if(!this._widevineLicenseUrl)break;return this._widevineLicenseUrl}throw new Error('no license server URL configured for key-system "'+e+'"')},l._attemptKeySystemAccess=function(e,t,r){var i=this,a=function(e,t,r,i){switch(e){case Ht.WIDEVINE:return function(e,t,r){var i={audioCapabilities:[],videoCapabilities:[]};return e.forEach((function(e){i.audioCapabilities.push({contentType:'audio/mp4; codecs="'+e+'"',robustness:r.audioRobustness||""})})),t.forEach((function(e){i.videoCapabilities.push({contentType:'video/mp4; codecs="'+e+'"',robustness:r.videoRobustness||""})})),[i]}(t,r,i);default:throw new Error("Unknown key
-system
: "+e)}}(e,t,r,this._drmSystemOptions);u.b.log("Requesting encrypted media key
-system access
");var n=this.requestMediaKeySystemAccess(e,a);this.mediaKeysPromise=n.then((function(t){return i._onMediaKeySystemAccessObtained(e,t)})),n.catch((function(t){u.b.error('Failed to obtain key-system "'+e+'" access:',t)}))},l._onMediaKeySystemAccessObtained=function(e,t){var r=this;u.b.log('Access for key-system "'+e+'" obtained');var i={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:t,mediaKeySystemDomain:e};this._mediaKeysList.push(i);var a=Promise.resolve().then((function(){return t.createMediaKeys()})).then((function(t){return i.mediaKeys=t,u.b.log('Media-keys created for key-system "'+e+'"'),r._onMediaKeysCreated(),t}));return a.catch((function(e){u.b.error("Failed to create media
-keys
:",e)})),a},l._onMediaKeysCreated=function(){var e=this;this._mediaKeysList.forEach((function(t){t.mediaKeysSession||(t.mediaKeysSession=t.mediaKeys.createSession(),e._onNewMediaKeySession(t.mediaKeysSession))}))},l._onNewMediaKeySession=function(e){var t=this;u.b.log("New key
-system session
"+e.sessionId),e.addEventListener("message
",(function(r){t._onKeySessionMessage(e,r.message)}),!1)},l._onKeySessionMessage=function(e,t){u.b.log("Got EME message event
, creating license request
"),this._requestLicense(t,(function(t){u.b.log("Received license
data (length
: "+(t?t.byteLength:t)+"), updating key
-session
"),e.update(t)}))},l._attemptSetMediaKeys=function(e){if(!this._media)throw new Error("Attempted to
set mediaKeys without first attaching a media element
");if(!this._hasSetMediaKeys){var t=this._mediaKeysList[0];if(!t||!t.mediaKeys)return u.b.error("Fatal
: Media is encrypted but no CDM access or no keys have been obtained yet
"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_KEYS,fatal:!0});u.b.log("Setting keys
for encrypted media
"),this._media.setMediaKeys(t.mediaKeys),this._hasSetMediaKeys=!0}},l._generateRequestWithPreferredKeySession=function(e,t){var r=this,i=this._mediaKeysList[0];if(!i)return u.b.error("Fatal
: Media is encrypted but not any key
-system access has been obtained yet
"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});if(i.mediaKeysSessionInitialized)u.b.warn("Key
-Session already initialized but requested again
");else{var a=i.mediaKeysSession;if(!a)return u.b.error("Fatal
: Media is encrypted but no key
-session existing
"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!0});if(!t)return u.b.warn("Fatal
: initData required
for generating a key session is
null"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_INIT_DATA,fatal:!0});u.b.log('Generating key-session request for "'+e+'" init data type'),i.mediaKeysSessionInitialized=!0,a.generateRequest(e,t).then((function(){u.b.debug("Key
-session generation succeeded
")})).catch((function(e){u.b.error("Error generating key
-session request
:",e),r.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!1})}))}},l._createLicenseXhr=function(e,t,r){var i=new XMLHttpRequest,a=this._licenseXhrSetup;try{if(a)try{a(i,e)}catch(t){i.open("POST
",e,!0),a(i,e)}i.readyState||i.open("POST
",e,!0)}catch(e){throw new Error("issue setting up KeySystem license XHR
"+e)}return i.responseType="arraybuffer
",i.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,i,e,t,r),i},l._onLicenseRequestReadyStageChange=function(e,t,r,i){switch(e.readyState){case 4:if(200===e.status)this._requestLicenseFailureCount=0,u.b.log("License request succeeded
"),"arraybuffer
"!==e.responseType&&u.b.warn("xhr response type was not
set to the expected arraybuffer
for license request
"),i(e.response);else{if(u.b.error("License Request XHR
failed ("+t+"). Status
: "+e.status+" ("+e.statusText+")"),this._requestLicenseFailureCount++,this._requestLicenseFailureCount>3)return void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var a=3-this._requestLicenseFailureCount+1;u.b.warn("Retrying license request
, "+a+" attempts left
"),this._requestLicense(r,i)}}},l._generateLicenseRequestChallenge=function(e,t){switch(e.mediaKeySystemDomain){case Ht.WIDEVINE:return t}throw new Error("unsupported key
-system
: "+e.mediaKeySystemDomain)},l._requestLicense=function(e,t){u.b.log("Requesting content license
for key
-system
");var r=this._mediaKeysList[0];if(!r)return u.b.error("Fatal error
: Media is encrypted but no key
-system access has been obtained yet
"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var i=this.getLicenseServerUrl(r.mediaKeySystemDomain),a=this._createLicenseXhr(i,e,t);u.b.log("Sending license request to URL
: "+i);var n=this._generateLicenseRequestChallenge(r,e);a.send(n)}catch(e){u.b.error("Failure requesting DRM license
: "+e),this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},l.onMediaAttached=function(e){if(this._emeEnabled){var t=e.media;this._media=t,t.addEventListener("encrypted
",this._onMediaEncrypted)}},l.onMediaDetached=function(){var e=this._media,t=this._mediaKeysList;e&&(e.removeEventListener("encrypted
",this._onMediaEncrypted),this._media=null,this._mediaKeysList=[],Promise.all(t.map((function(e){if(e.mediaKeysSession)return e.mediaKeysSession.close().catch((function(){}))}))).then((function(){return e.setMediaKeys(null)})).catch((function(){})))},l.onManifestParsed=function(e){if(this._emeEnabled){var t=e.levels.map((function(e){return e.audioCodec})),r=e.levels.map((function(e){return e.videoCodec}));this._attemptKeySystemAccess(Ht.WIDEVINE,t,r)}},a=i,(n=[{key:"requestMediaKeySystemAccess
",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess
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