cloudhub-rts-web-puller/rtswebplayer.js

CloudHubRts WebPuller JSSDK

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this._current_word<<=i,this._current_word_bits_left-=i,r=r<<i|o}},{key:"readBool",value:function(){return 1===this.readBits(1)}},{key:"readByte",value:function(){return this.readBits(8)}},{key:"_skipLeadingZero",value:function(){var e;for(e=0;e<this._current_word_bits_left;e++)if(0!=(this._current_word&2147483648>>>e))return this._current_word<<=e,this._current_word_bits_left-=e,e;return this._fillCurrentWord(),e+this._skipLeadingZero()}},{key:"readUEG",value:function(){var e=this._skipLeadingZero();return this.readBits(e+1)-1}},{key:"readSEG",value:function(){var e=this.readUEG();return 1&e?e+1>>>1:-1*(e>>>1)}}]),e}()),u=function(){function e(){i()(this,e)}return a()(e,null,[{key:"_ebsp2rbsp",value:function(e){for(var t=e,r=t.byteLength,n=new Uint8Array(r),i=0,o=0;o<r;o++)o>=2&&3===t[o]&&0===t[o-1]&&0===t[o-2]||(n[i]=t[o],i++);return new Uint8Array(n.buffer,0,i)}},{key:"parseSPS",value:function(t){for(var r=t.subarray(1,4),n="avc1.",i=0;i<3;i++){var o=r[i].toString(16);o.length<2&&(o="0"+o),n+=o}var a=e._ebsp2rbsp(t),u=new s(a);u.readByte();var c=u.readByte();u.readByte();var l=u.readByte();u.readUEG();var d=e.getProfileString(c),h=e.getLevelString(l),f=1,p=420,v=8,m=8;if((100===c||110===c||122===c||244===c||44===c||83===c||86===c||118===c||128===c||138===c||144===c)&&(3===(f=u.readUEG())&&u.readBits(1),f<=3&&(p=[0,420,422,444][f]),v=u.readUEG()+8,m=u.readUEG()+8,u.readBits(1),u.readBool()))for(var _=3!==f?8:12,g=0;g<_;g++)u.readBool()&&(g<6?e._skipScalingList(u,16):e._skipScalingList(u,64));u.readUEG();var A=u.readUEG();if(0===A)u.readUEG();else if(1===A){u.readBits(1),u.readSEG(),u.readSEG();for(var y=u.readUEG(),b=0;b<y;b++)u.readSEG()}var S=u.readUEG();u.readBits(1);var k=u.readUEG(),w=u.readUEG(),C=u.readBits(1);0===C&&u.readBits(1),u.readBits(1);var T=0,E=0,P=0,x=0;u.readBool()&&(T=u.readUEG(),E=u.readUEG(),P=u.readUEG(),x=u.readUEG());var I=1,R=1,M=0,B=!0,D=0,L=0;if(u.readBool()){if(u.readBool()){var O=u.readByte();O>0&&O<16?(I=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][O-1],R=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][O-1]):255===O&&(I=u.readByte()<<8|u.readByte(),R=u.readByte()<<8|u.readByte())}if(u.readBool()&&u.readBool(),u.readBool()&&(u.readBits(4),u.readBool()&&u.readBits(24)),u.readBool()&&(u.readUEG(),u.readUEG()),u.readBool()){var U=u.readBits(32),N=u.readBits(32);B=u.readBool(),M=(D=N)/(L=2*U)}}var F=1;1===I&&1===R||(F=I/R);var V=0,j=0;0===f?(V=1,j=2-C):(V=3===f?1:2,j=(1===f?2:1)*(2-C));var G=16*(k+1),W=16*(w+1)*(2-C);G-=(T+E)*V,W-=(P+x)*j;var H=Math.ceil(G*F);return u.destroy(),u=null,{codec_mimetype:n,profile_idc:c,level_idc:l,profile_string:d,level_string:h,chroma_format_idc:f,bit_depth:v,bit_depth_luma:v,bit_depth_chroma:m,ref_frames:S,chroma_format:p,chroma_format_string:e.getChromaFormatString(p),frame_rate:{fixed:B,fps:M,fps_den:L,fps_num:D},sar_ratio:{width:I,height:R},codec_size:{width:G,height:W},present_size:{width:H,height:W}}}},{key:"parseHevcVps",value:function(t){var r=e._ebsp2rbsp(t),n=new s(r),i=n.readBits(4);return n.readUEG(1),n.readUEG(1),{vps_video_parameter_set_id:i,vps_max_layers_minus1:n.readBits(6),vps_max_sub_layers_minus1:n.readBits(3)}}},{key:"parseHevcPp