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videoWorker.worker.js

videoWorker.worker.js 58 KB
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Uint8Array([0,2,0,0,0,0,0,1])),n=a(t.tfdt,new Uint8Array([0,0,0,0,e.baseMediaDecodeTime>>>24&255,e.baseMediaDecodeTime>>>16&255,e.baseMediaDecodeTime>>>8&255,255&e.baseMediaDecodeTime])),i=p(e,72),a(t.traf,r,n,i)}(r))};return r.prototype={initSegment:function(r){var n=a(t.ftyp,e.FTYP);i.log(r);var o=c(r),s=new Uint8Array(n.byteLength+o.byteLength);return s.set(n,0),s.set(o,n.byteLength),s},mediaSegment:function(e,r,n,i){var o=m(e,r),s=function(e){return a(t.mdat,e)}(n),u=null;return(u=new Uint8Array(o.byteLength+s.byteLength)).set(o),u.set(s,o.byteLength),u}},new r},f=function(){this.map={}};f.prototype={put:function(t,e){this.map[t]=e},get:function(t){return this.map[t]},containsKey:function(t){return t in this.map},containsValue:function(t){for(var e in this.map)if(this.map[e]===t)return!0;return!1},isEmpty:function(t){return 0===this.size()},clear:function(){for(var t in this.map)delete this.map[t]},remove:function(t){delete this.map[t]},keys:function(){var t=new Array;for(var e in this.map)t.push(e);return t},values:function(){var t=new Array;for(var e in this.map)t.push(this.map[e]);return t},size:function(){var t=0;for(var e in this.map)t++;return t}};var l=f;function c(){var t=7,e=7,r=2,a=3,n=4,i=5,o=8,s=16,u=32,f=255,c=0,p=null;function m(){c=0,p=new l}function d(r,n){var i=n,o=c+i>>a;return i=c+n&t,r[o]>>e-(i&e)&1}function _(t,e){var r=c>>a,n=8*(r+1)-c;if(n<8)for(var i=0;i<3;i++){var o=t[r+i];o=0==i?o>>n<<n:2==i?o&255>>8-n|1<<n:0,t.set([o],r+i)}else t.set([0],r),t.set([1],r+1)}function h(t,e){var r=0;if(1===e)r=d(t,0);else for(var a=0;a<e;a++)r=(r<<1)+d(t,a);return c+=e,r}function g(t,e){for(var a=0,n=0,i=e;c+i<8*t.length&&!d(t,i++);)a++;if(0===a)return c+=1,0;n=1<<a;for(var o=a-1;o>=0;o--,i++)n|=d(t,i)<<o;return c+=a*r+1,n-1}function v(t,e){var a=g(t,e);return 1&a?(a+1)/r:-a/r}function y(t){p.put("cpb_cnt_minus1",g(t,0)),p.put("bit_rate_scale",h(t,n)),p.put("cpb_size_scale",h(t,n));for(var e=p.get("cpb_cnt_minus1"),r=new Array(e),a=new Array(e),o=new 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e=p.get("profile_idc");if((100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e||138===e||139===e||134===e)&&(p.put("chroma_format_idc",g(t,0)),p.get("chroma_format_idc")===a&&p.put("separate_colour_plane_flag",h(t,1)),p.put("bit_depth_luma_minus8",g(t,0)),p.put("bit_depth_chroma_minus8",g(t,0)),p.put("qpprime_y_zero_transform_bypass_flag",h(t,1)),p.put("seq_scaling_matrix_present_flag",h(t,1)),p.get("seq_scaling_matrix_present_flag"))){for(var n=p.get("chroma_format_idc")!==a?o:12,l=new Array(n),m=0;m<n;m++)if(l[m]=h(t,1),l[m])for(var d=m<6?s:64,b=8,D=8,T=0;T<d;T++)D&&(D=(b+v(t,0)+256)%256),b=0===D?b:D;p.put("seq_scaling_list_present_flag",l)}if(p.put("log2_max_frame_num_minus4",g(t,0)),p.put("pic_order_cnt_type",g(t,0)),0===p.get("pic_order_cnt_type"))p.put("log2_max_pic_order_cnt_lsb_minus4",g(t,0));else if(1===p.get("pic_order_cnt_type")){p.put("delta_pic_order_always_zero_flag",h(t,1)),p.put("offset_for_non_ref_pic",v(t,0)),p.put("offset_for_top_to_bottom_field",v(t,0)),p.put("num_ref_frames_in_pic_order_cnt_cycle",g(t,0));for(var S=0;S<p.get("num_ref_frames_in_pic_order_cnt_cycle");S++)p.put("num_ref_frames_in_pic_order_cnt_cycle",v(t,0))}return p.put("num_ref_frames",g(t,0)),p.put("gaps_in_frame_num_value_allowed_flag",h(t,1)),p.put("pic_width_in_mbs_minus1",g(t,0)),p.put("pic_height_in_map_units_minus1",g(t,0)),p.put("frame_mbs_only_flag",h(t,1)),0===p.get("frame_mbs_only_flag")&&p.put("mb_adaptive_frame_field_flag",h(t,1)),p.put("direct_8x8_interence_flag",h(t,1)),p.put("frame_cropping_flag",h(t,1)),1===p.get("frame_cropping_flag")&&(p.put("frame_cropping_rect_left_offset",g(t,0)),p.put("frame_cropping_rect_right_offset",g(t,0)),p.put("frame_cropping_rect_top_offset",g(t,0)),p.put("frame_cropping_rect_bottom_offset",g(t,0))),p.put("vui_parameters_present_flag",h(t,1)),p.get("vui_parameters_present_flag")&&function(t){p.put("aspect_ratio_info_present_flag",h(t,1)),p.get("aspect_ratio_info_present_flag")&&(p.put("aspect_ratio_idc",h(t,o)),p.get("aspect_ratio_idc")===f&&(_(t),p.put("sar_width",h(t,s)),_(t),p.put("sar_height",h(t,s)))),p.put("overscan_info_present_flag",h(t,1)),p.get("overscan_info_present_flag")&&p.put("overscan_appropriate_flag",h(t,1)),p.put("video_signal_type_present_flag",h(t,1)),p.get("video_signal_type_present_flag")&&(p.put("video_format",h(t,a)),p.put("video_full_range_flag",h(t,1)),p.put("colour_description_present_flag",h(t,1)),p.get("colour_description_present_flag")&&(p.put("colour_primaries",h(t,o)),p.put("transfer_characteristics",h(t,o)),p.put("matrix_coefficients",h(t,o)))),p.put("chroma_loc_info_present_flag",h(t,1)),p.get("chroma_loc_info_present_flag")&&(p.put("chroma_sample_loc_type_top_field",g(t,0)),p.put("chroma_sample_loc_type_bottom_field",g(t,0))),p.put("timing_info_present_flag",h(t,1)),p.get("timing_info_present_flag")&&(p.put("num_units_in_tick",h(t,u)),p.put("time_scale",h(t,u)),p.put("fixed_frame_rate_flag",h(t,1))),p.put("nal_hrd_parameters_present_flag",h(t,1)),p.get("nal_hrd_parameters_present_flag")&&y(t),p.put("vcl_hrd_parameters_present_flag",h(t,1)),p.get("vcl_hrd_parameters_present_flag")&&y(t),(p.get("nal_hrd_parameters_present_flag")||p.get("vcl_hrd_parameters_present_flag"))&&p.put("low_delay_hrd_flag",h(t,1)),p.put("pic_struct_present_flag",h(t,1)),p.put("bitstream_restriction_flag",h(t,1)),p.get("bitstream_restriction_flag")&&(p.put("motion_vectors_over_pic_boundaries_flag",h(t,1)),p.put("max_bytes_per_pic_denom",g(t,0)),p.put("max_bits_per_mb_denom",g(t,0)))}(t),!0},getSizeInfo:function(){var t=0,e=0;0===p.get("chroma_format_idc")?t=e=0:1===p.get("chroma_format_idc")?t=e=r:p.get("chroma_format_idc")===r?(t=r,e=1):p.get("chroma_format_idc")===a&&(0===p.get("separate_colour_plane_flag")?t=e=1:1===p.get("separate_colour_plane_flag")&&(t=e=0));var n=p.get("pic_width_in_mbs_minus1")+1,i=p.get("pic_height_in_map_units_minus1")+1,o=(r-p.get("frame_mbs_only_flag"))*i,u=0,f=0,l=0,c=0;1===p.get("frame_cropping_flag")&&(u=p.get("frame_cropping_rect_left_offset"),f=p.get("frame_cropping_rect_right_offset"),l=p.get("frame_cropping_rect_top_offset"),c=p.get("frame_cropping_rect_bottom_offset"));var m=n*s*(o*s);return{width:n*s-t*(u+f),height:o*s-e*(r-p.get("frame_mbs_only_flag"))*(l+c),decodeSize:m}},getSpsValue:function(t){return p.get(t)},getCodecInfo:function(){return p.get("profile_idc").toString(s)+(p.get("profile_compatibility")<15?"0"+p.get("profile_compatibility").toString(s):p.get("profile_compatibility").toString(s))+p.get("level_idc").toString(s)}},new m}var p=function(){var 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et=$.length-4;$[0]=(4278190080&et)>>>24,$[1]=(16711680&et)>>>16,$[2]=(65280&et)>>>8,$[3]=255&et;var rt=this.getFramerate(),at={duration:Math.round(1/rt*1e3),size:$.length,frame_time_stamp:null,frameDuration:null};if(r)at.frame_time_stamp=t,_.frameData=new Uint8Array($),_.mediaSample=at;else{if(!1===c){if(at.frame_time_stamp=1e3*h.timestamp+h.timestamp_usec-R,!1===D)at.frame_time_stamp=0,R=1e3*h.timestamp+h.timestamp_usec,at.frameDuration=0,g=at,D=!0;else{var nt=g.frame_time_stamp,it=at.frame_time_stamp;at.frameDuration=Math.abs(it-nt),at.frameDuration>3e3&&(at.frameDuration=0),g=at}_.frameData=new Uint8Array($),_.mediaSample=at}h=null===h.timestamp?this.getTimeStamp():h,_.timeStamp=h}}var ot=w*C;if(!0===r&&(NaN.toFixed(0),ot>786432?(P("video"),z.decodeMode="video"):(P("canvas"),z.decodeMode="canvas")),_.playback=r,_.frameData.frameIndex=L.frameIndex,z.decodedData=_,!0===I)return"I"===J&&F++,2===F&&(F=0,I=!1),void i.info("H264Session::stop");this.rtpReturnCallback(z)}},findIFrame:function(){if(null!==this.videoBufferList){var t=this.videoBufferList.findIFrame();if(null===t||"undefined"===typeof t)return!1;var e={};return this.setTimeStamp(t.timeStamp),e.frameData=this.decoder.decode(t.buffer),e.timeStamp=t.timeStamp,e}},setInitSegment:function(){b=!1,f=null,l=null},setLessRate:function(t){E=t}},new z};var m=function(){var t,e,r,a,n,o,s,u,f,l=null,c=new Uint8Array,p=!1;function m(){l=Module._OpenDecoder(1,0,0),m.prototype.setIsFirstFrame(!1)}return m.prototype={init:function(){i.log("H265 Decoder init")},setOutputSize:function(t){u!=2*t&&(u=2*t,f=Module._malloc(u),c=new Uint8Array(Module.HEAPU8.buffer,f,u))},decode:function(i,f){if(t=Date.now(),e=new Uint8Array(i),c.set(e),r=Module._FrameAlloc(),Module._DecodeFrame(l,c.byteOffset,i.byteLength,u,r),a=Date.now()-t,o=Module._getYLength(r),n=Module._getHeight(r),!m.prototype.isFirstFrame())return m.prototype.setIsFirstFrame(!0),{firstFrame:!0};if(o>0&&n>0){t=Date.now();var p=new Uint8Array(c);return s={data:p,option:{yaddr:Module._getY(r),uaddr:Module._getU(r),vaddr:Module._getV(r),ylen:o,height:n,beforeDecoding:t},width:o,height:n,codecType:"h265",decodingTime:a,frameType:f},Module._FrameFree(r),s}},setIsFirstFrame:function(t){p=t},isFirstFrame:function(){return p},free:function(){Module._free(f),f=null}},new m};function d(){var t=null,e=null,r=0,a=0,n=0,i=0,o=0;function s(){0,t=new l}function u(){return 0==n&&(i=function(){if(a>=r)return 0;var t=e[a++];return 0==t?(o++,a<r&&2==o&&3==e[a]&&(a++,o=0)):o=0,t}(),n=8),i>>--n&1}function f(t,e){for(var r=0;e>0;)r<<=1,r|=u(),e--;return r}function c(t,e){for(var n=0;a<r&&0==u();)n++;return f(0,n)+((1<<n)-1)}return s.prototype={parse:function(e){e,0,t.clear(),t.put("forbidden_zero_bit",f(0,1)),t.put("nal_unit_type",f(0,6)),t.put("nuh_layer_id",f(0,6)),t.put("nuh_temporal_id_plus1",f(0,3)),t.put("sps_video_parameter_set_id",f(0,4)),0===t.get("nuh_layer_id")?t.put("sps_max_sub_layers_minus1",f(0,3)):t.put("sps_ext_or_max_sub_layers_minus1",f(0,3));var r=0!==t.get("nuh_layer_id")&&7===t.get("sps_ext_or_max_sub_layers_minus1");return r||(t.put("sps_max_sub_layers_minus1",f(0,1)),function(e,r){if(e){t.put("general_profile_space",f(0,2)),t.put("general_tier_flag",f(0,1)),t.put("general_profile_idc",f(0,5));for(var a=new Array(32),n=0;n<32;n++)a[n]=f(0,1);t.put("general_progressive_source_flag",f(0,1)),t.put("general_interlaced_source_flag",f(0,1)),t.put("general_non_packed_constraint_flag",f(0,1)),t.put("general_frame_only_constraint_flag",f(0,1));var i=t.get("general_profile_idc");4===i||a[4]||5===i||a[5]||6===i||a[6]||7===i||a[7]||8===i||a[8]||9===i||a[9]||10===i||a[10]?(t.put("general_max_12bit_constraint_flag",f(0,1)),t.put("general_max_10bit_constraint_flag",f(0,1)),t.put("general_max_8bit_constraint_flag",f(0,1)),t.put("general_max_422chroma_constraint_flag",f(0,1)),t.put("general_max_420chroma_constraint_flag",f(0,1)),t.put("general_max_monochrome_constraint_flag",f(0,1)),t.put("general_intra_constraint_flag",f(0,1)),t.put("general_one_picture_only_constraint_flag",f(0,1)),t.put("general_lower_bit_rate_constraint_flag",f(0,1)),5===i||a[5]||9===i||a[9]||10===i||a[10]?(t.put("general_max_14bit_constraint_flag",f(0,1)),t.put("general_reserved_zero_33bits",f(0,33))):t.put("general_reserved_zero_34bits",f(0,34))):t.put("general_reserved_zero_43bits",f(0,43)),i>=1&&i<=5||a[1]||a[2]||a[3]||a[4]||a[5]||a[9]?t.put("general_inbld_flag",f(0,1)):t.put("general_reserved_zero_bit",f(0,1))}t.put("general_level_idc",f(0,8));var o=new Array(r),s=new Array(r);for(_=0;_<r;_++)o[_]=f(0,1),s[_]=f(0,1);var u=new Array(8),l=new Array(r),c=new Array(r),p=new Array(r),m=[],d=new Array(r);if(r>0)for(var _=r;_<8;_++)u[_]=f(0,2);for(_=0;_<r;_++){if(o[_]){for(c[_]=f(0,2),p[_]=f(0,1),l[_]=f(0,5),n=0;n<32;n++)m[_][n]=f(0,1);t.put("sub_layer_progressive_source_flag",f(0,1)),t.put("sub_layer_interlaced_source_flag",f(0,1)),t.put("sub_layer_non_packed_constraint_flag",f(0,1)),t.put("sub_layer_frame_only_constraint_flag",f(0,1)),4===l[_]||m[_][4]||5===l[_]||m[_][5]||6===l[_]||m[_][6]||7===l[_]||m[_][7]||8===l[_]||m[_][8]||9===l[_]||m[_][9]||10===l[_]||m[_][10]?(t.put("sub_layer_max_12bit_constraint_flag",f(0,1)),t.put("sub_layer_max_10bit_constraint_flag",f(0,1)),t.put("sub_layer_max_8bit_constraint_flag",f(0,1)),t.put("sub_layer_max_422chroma_constraint_flag",f(0,1)),t.put("sub_layer_max_420chroma_constraint_flag",f(0,1)),t.put("sub_layer_max_monochrome_constraint_flag",f(0,1)),t.put("sub_layer_intra_constraint_flag",f(0,1)),t.put("sub_layer_one_picture_only_constraint_flag",f(0,1)),t.put("sub_layer_lower_bit_rate_constraint_flag",f(0,1)),5===l[_]||m[_][5]?(t.put("sub_layer_max_14bit_constraint_flag",f(0,1)),t.put("sub_layer_lower_bit_rate_constraint_flag",f(0,1)),d[_]=f(0,33)):d[_]=f(0,34)):t.put("sub_layer_reserved_zero_43bits",f(0,43)),l[_]>=1&&l[_]<=5||9==l[_]||m[1]||m[2]||m[3]||m[4]||m[5]||m[9]?t.put("sub_layer_inbld_flag",f(0,1)):t.put("sub_layer_reserved_zero_bit",f(0,1))}s[_]&&t.put("sub_layer_level_idc",f(0,8))}}(1,t.get("sps_max_sub_layers_minus1"))),f(0,84),t.put("sps_seq_parameter_set_id",c()),r?(t.put("update_rep_format_flag",f(0,1)),t.get("update_rep_format_flag")&&t.put("sps_rep_format_idx",f(0,8))):(t.put("chroma_format_idc",c()),3===t.get("chroma_format_idc")&&t.put("separate_colour_plane_flag",f(0,1)),t.put("pic_width_in_luma_samples",c()),t.put("pic_height_in_luma_samples",c()),t.put("conformance_window_flag",f(0,1)),t.get("conformance_window_flag")&&(t.put("conf_win_left_offset",c()),t.put("conf_win_right_offset",c()),t.put("conf_win_top_offset",c()),t.put("conf_win_bottom_offset",c()))),!0},parse2:function(s){var u=s.length;if(s,e=s,r=s.length,a=0,n=0,i=0,o=0,0,t.clear(),u<20)return!1;f(0,16),f(0,4);var l=f(0,3);if(t.put("sps_max_sub_layers_minus1",l),l>6)return!1;f(0,1),f(0,2),f(0,1);f(0,5);f(0,32),f(0,1),f(0,1),f(0,1),f(0,1),f(0,43),f(0,1),t.put("general_level_idc",f(0,8));for(var p=[],m=[],d=0;d<l;d++)p[d]=f(0,1),m[d]=f(0,1);if(l>0)for(d=l;d<8;d++)f(0,2);for(d=0;d<l;d++)p[d]&&(f(0,2),f(0,1),f(0,5),f(0,32),f(0,1),f(0,1),f(0,1),f(0,1),f(0,44)),m[d]&&f(0,8);var _=c();if(t.put("sps_seq_parameter_set_id",_),_>15)return!1;var h=c();return t.put("chroma_format_idc",h),!(_>3)&&(3==h&&f(0,1),t.put("pic_width_in_luma_samples",c()),t.put("pic_height_in_luma_samples",c()),f(0,1)&&(c(),c(),c(),c()),c()==c())},getSizeInfo:function(){var e=t.get("pic_width_in_luma_samples"),r=t.get("pic_height_in_luma_samples");if(t.get("conformance_window_flag")){var a=t.get("chroma_format_idc"),n=t.get("separate_colour_plane_flag");"undefined"===typeof n&&(n=0);var i=1!==a&&2!==a||0!==n?1:2,o=1===a&&0===n?2:1;e-=i*t.get("conf_win_right_offset")+i*t.get("conf_win_left_offset"),r-=o*t.get("conf_win_bottom_offset")+o*t.get("conf_win_top_offset")}return{width:e,height:r,decodeSize:e*r}},getSpsValue:function(e){return t.get(e)}},new s}var _=function(){var t,e=0,r=0,a=0,n=0,s=new d,u={frameData:null,timeStamp:null},f={timestamp:null,timezone:null},l=0,c=0,p=null,_=0,h={width:0,height:0},g=0,v=0;function y(){this.decoder=m(),this.firstTime=0,this.lastMSW=0}return y.prototype={setReturnCallback:function(t){this.rtpReturnCallback=t},setBufferfullCallback:function(t){null!==this.videoBufferList&&this.videoBufferList.setBufferFullCallback(t)},getVideoBuffer:function(t){if(null!==this.videoBufferList)return this.videoBufferList.searchNodeAt(t)},clearBuffer:function(){null!==this.videoBufferList&&this.videoBufferList.clear()},findCurrent:function(){null!==this.videoBufferList&&this.videoBufferList.searchTimestamp(this.getTimeStamp())},ntohl:function(t){return(t[0]<<24)+(t[1]<<16)+(t[2]<<8)+t[3]>>>0},appendBuffer:function(t,e,r){if(r+e.length>=t.length){var a=new Uint8Array(t.length+1048576);a.set(t,0),t=a}return t.set(e,r),t},setGovLength:function(t){p=t},getGovLength:function(){return p},setDecodingTime:function(t){this.decodingTime=t},getDropPercent:function(){return 0},getDropCount:function(){return 0},initStartTime:function(){this.firstDiffTime=0,this.calcGov=0},setCheckDelay:function(t){this.checkDelay=t},init:function(){this.decoder.setIsFirstFrame(!1),this.videoBufferList=new o,this.firstDiffTime=0,this.checkDelay=!0,this.timeData=null},parseRTPData:function(o,p,m,d,_){var y=null,b={},D=(p[19]<<24)+(p[18]<<16)+(p[17]<<8)+p[16]>>>0,T=Date.UTC("20"+(D>>>26),(D>>>22&15)-1,D>>>17&31,D>>>12&31,D>>>6&63,63&D)/1e3;if(T+=(new Date).getTimezoneOffset()/60*3600,0==this.firstTime)this.firstTime=T,this.lastMSW=0,r=(p[21]<<8)+p[20],f={timestamp:this.firstTime,timestamp_usec:0};else{var S,w=(p[21]<<8)+p[20];S=w>r?w-r:w+65535-r,this.lastMSW+=S,T>this.firstTime&&(this.lastMSW-=1e3),this.firstTime=T,f={timestamp:T,timestamp_usec:this.lastMSW},r=w}0!==this.getFramerate()&&"undefined"!==typeof this.getFramerate()||"undefined"===typeof this.getTimeStamp()||(this.setFramerate(Math.round(1e3/((f.timestamp-this.getTimeStamp().timestamp===0?0:1e3)+(f.timestamp_usec-this.getTimeStamp().timestamp_usec)))),i.log("setFramerate"+Math.round(1e3/((f.timestamp-this.getTimeStamp().timestamp===0?0:1e3)+(f.timestamp_usec-this.getTimeStamp().timestamp_usec))))),this.setTimeStamp(f);var C=p[22];t=p.subarray(24+C,p.length-8),e=(p[21]<<8)+p[20];for(var I=[],F=0;F<=t.length;)if(0==t[F])if(0==t[F+1])if(1==t[F+2]){if(I.push(F),5==(31&t[F+=3])||1==(31&t[F]))break}else 0==t[F+2]?F++:F+=3;else F+=2;else F+=1;var A="P";for(F=0;F<I.length;F++)switch(y=t.subarray(I[F]+3,I[F+1]),t[I[F]+3]>>1&63){default:break;case 33:A="I",s.parse2(y);var M=_;n=s.getSizeInfo().decodeSize,l=M.width,c=M.height,h.width==M.width&&h.height==M.height||(0!=h.width?(h.width=M.width,h.height=M.height,b.resolution=h,b.resolution.decodeMode="canvas",b.resolution.encodeMode="h265"):(h.width=M.width,h.height=M.height,b.decodeStart=h,b.decodeStart.decodeMode="canvas",b.decodeStart.encodeMode="h265"))}var k=1e3*f.timestamp+f.timestamp_usec;0==this.firstDiffTime?(g=0,this.firstDiffTime=Date.now()-k,i.log("firstDiff: 0")):(k-v<0&&(this.firstDiffTime=g+(Date.now()-k).toFixed(0)),(g=Date.now()-k-this.firstDiffTime)<0&&(this.firstDiffTime=0,g=0),g>8e3&&(b.error={errorCode:101},this.rtpReturnCallback(b))),v=k,u.frameData=null,a!==n&&(this.decoder.free(),a=n,this.decoder.setOutputSize(a)),u.frameData=this.decoder.decode(t),u.frameData.frameType=A,u.frameData.frameIndex=_.frameIndex,u.timeStamp=null,f=null===f.timestamp?this.getTimeStamp():f,u.timeStamp=f,m&&(b.backupData={stream:t,frameType:A,width:l,height:c,codecType:"h265"},null!==f.timestamp&&"undefined"!==typeof f.timestamp?b.backupData.timestamp_usec=f.timestamp_usec:b.backupData.timestamp=(e/90).toFixed(0)),b.decodedData=u,this.rtpReturnCallback(b)},findIFrame:function(){if(null!==this.videoBufferList){var t=this.videoBufferList.findIFrame();if(null===t||"undefined"===typeof t)return!1;var e={};return this.setTimeStamp(t.timeStamp),e.frameData=this.decoder.decode(t.buffer),e.timeStamp=t.timeStamp,e}},getFramerate:function(){return _},setFramerate:function(t){0<t&&"undefined"!==typeof t&&(_=t,null!==this.videoBufferList&&(this.videoBufferList.setMaxLength(6*_),this.videoBufferList.setBUFFERING(4*_)))},getTimeStamp:function(){return this.timeData},setTimeStamp:function(t){this.timeData=t}},new y};var h=function(){var t,e,r=!1;function a(){i.log("MJPEG Decoder")}return a.prototype={setIsFirstFrame:function(t){r=t},isFirstFrame:function(){return r},setResolution:function(r,a){t=r,e=a},decode:function(r,n){return a.prototype.isFirstFrame()?{data:r,width:t,height:e,codecType:"mjpeg"}:(a.prototype.setIsFirstFrame(!0),{firstFrame:!0})}},new a},g=function(){var t=0,e=0,r={frameData:null,timeStamp:null},a={timestamp:null,timezone:null};var n=0,s=0,u=0,f=0,l=null,c=null,p=null,m=0,d=0,_=0,g={width:0,height:0};function v(){this.decoder=new h,this.firstTime=0,this.lastMSW=0}return v.prototype={init:function(){this.decoder.setIsFirstFrame(!1),this.videoBufferList=new o,this.timeData=null},parseRTPData:function(o,p,m,h,v){var y=new Uint8Array(1048576);t=v.width,e=v.height,l={};var b=p[22],D=p.subarray(24+b,p.length-8);c=D.length;var T=(p[19]<<24)+(p[18]<<16)+(p[17]<<8)+p[16]>>>0,S=Date.UTC("20"+(T>>>26),(T>>>22&15)-1,T>>>17&31,T>>>12&31,T>>>6&63,63&T)/1e3;if(S-=28800,0==this.firstTime)this.firstTime=S,this.lastMSW=0,f=(p[21]<<8)+p[20],a={timestamp:this.firstTime,timestamp_usec:0};else{var w,C=(p[21]<<8)+p[20];w=C>f?C-f:C+65535-f,this.lastMSW+=w,S>this.firstTime&&(this.lastMSW-=1e3),this.firstTime=S,a={timestamp:S,timestamp_usec:this.lastMSW},f=C}0!==this.getFramerate()&&"undefined"!==typeof this.getFramerate()||"undefined"===typeof this.getTimeStamp()||this.setFramerate(Math.round(1e3/((a.timestamp-this.getTimeStamp().timestamp===0?0:1e3)+(a.timestamp_usec-this.getTimeStamp().timestamp_usec)))),this.setTimeStamp(a),u=(p[21]<<8)+p[20],s=c,(y=this.appendBuffer(y,D,n))[(n+=c)+s-2]=255,y[n+s-1]=217,g.width==t&&g.height==e||(0!=g.width?(g.width=t,g.height=e,l.resolution=g,l.resolution.decodeMode="canvas",l.resolution.encodeMode="mjpeg"):(g.width=t,g.height=e,l.decodeStart=g,l.decodeStart.decodeMode="canvas",l.decodeStart.encodeMode="mjpeg"));var I=1e3*a.timestamp+a.timestamp_usec;0==this.firstDiffTime?(d=0,this.firstDiffTime=Date.now()-I,i.log("firstDiff: "+this.firstTime)):(I-_<0&&(this.firstDiffTime=d+(Date.now()-I).toFixed(0)),(d=Date.now()-I-this.firstDiffTime)<0&&(this.firstDiffTime=0,d=0),d>8e3&&(l.error={errorCode:101},this.rtpReturnCallback(l))),_=I,r.frameData=null,this.decoder.setResolution(t,e),r.frameData=this.decoder.decode(y.subarray(0,n)),r.timeStamp=null,a=null===a.timestamp?this.getTimeStamp():a,r.timeStamp=a,!0===m&&(l.backupData={stream:y.subarray(0,n),width:t,height:e,codecType:"mjpeg"},null!==a.timestamp&&"undefined"!==typeof a.timestamp?l.backupData.timestamp_usec=a.timestamp_usec:l.backupData.timestamp=(u/90).toFixed(0)),n=0,r.playback=!1,l.decodedData=r,this.rtpReturnCallback(l)},getVideoBuffer:function(t){if(null!==this.videoBufferList)return this.videoBufferList.searchNodeAt(t)},clearBuffer:function(){null!==this.videoBufferList&&this.videoBufferList.clear()},findCurrent:function(){null!==this.videoBufferList&&this.videoBufferList.searchTimestamp(this.getTimeStamp())},findIFrame:function(){null!==this.videoBufferList&&this.videoBufferList.findIFrame()},SetRtpInterlevedID:function(t){this.interleavedID=t},setTimeStamp:function(t){this.timeData=t},getTimeStamp:function(){return this.timeData},getRTPPacket:function(t,e){},calculatePacketTime:function(t){},ntohl:function(t){return(t[0]<<24)+(t[1]<<16)+(t[2]<<8)+t[3]>>>0},appendBuffer:function(t,e,r){if(r+e.length>=t.length){var a=new Uint8Array(t.length+1048576);a.set(t,0),t=a}return t.set(e,r),t},setFramerate:function(t){0<t&&"undefined"!==typeof t&&(m=t,null!==this.videoBufferList&&(this.videoBufferList.setMaxLength(6*m),this.videoBufferList.setBUFFERING(4*m)))},getFramerate:function(){return m},setReturnCallback:function(t){this.rtpReturnCallback=t},setBufferfullCallback:function(t){null!==this.videoBufferList&&this.videoBufferList.setBufferFullCallback(t)},setGovLength:function(t){p=t},getGovLength:function(){return p},setDecodingTime:function(t){this.decodingTime=t},getDropPercent:function(){return 0},getDropCount:function(){return 0},initStartTime:function(){this.firstDiffTime=0,this.calcGov=0},setCheckDelay:function(t){this.checkDelay=t}},new v},v=function(){var t,e=null,r={1:"VideoSynopsis",2:"TrafficGate",3:"ElectronicPolice",4:"SinglePtzParking",5:"PtzParking",6:"Traffic",7:"Normal",8:"Prison",9:"ATM",10:"MetroIVS",11:"FaceDetection",12:"FaceRecognition",13:"NumberStat",14:"HeatMap",15:"VideoDiagnosis",16:"VideoEnhance",17:"SmokeFireDetect",18:"VehicleAnalyse",19:"PersonFeature",20:"SDFaceDetect",21:"HeatMapPlan",22:"ATMFD",23:"SCR",24:"NumberStatPlan",25:"CourseRecord",26:"Highway",27:"City",28:"LeTrack",29:"ObjectStruct",30:"Stereo",31:"StereoPc",32:"HumanDetect",33:"SDPedestrain",34:"FaceAnalysis",35:"FaceAttribute",36:"FacePicAnalyse",37:"SDEP",38:"XRayDetect",39:"ObjectDetect",40:"CrowdDistriMap",41:"StereoBehavior"};function a(){this.firstTime=0,this.lastMSW=0}function n(t){for(var e=[].slice.call(t),r="",a=0;a<e.length;a++)r+=String.fromCharCode(e[a]);return decodeURIComponent(escape(r))}function o(t){var e={result:!0,type:0};return e.params=JSON.parse(n(t)),e}function s(t){var e={result:!1},a=0,n=(t[a+1]<<8)+t[a];if(1!==n&&2!==n)return e;e.result=!0,e.type=5,e.params=null;var i=t[a+=2];if(0===i)return e;var o=t[a+=1];a+=1,e.params={},e.params.coordinate=128&o?8192:1024,e.params.isTrack=!!(127&o),e.params.object=[];for(var s=0;s<i;s++){var u={};u.objectId=(t[a+3]<<24)+(t[a+2]<<16)+(t[a+1]<<8)+t[a],a+=4,u.operateType=t[a];var f=t[a+=1];a+=1,u.objectType=t[a];var l=t[a+=1];a+=1,a+=1,a+=1,u.classID=r[t[a]],a+=1,u.subType=t[a],a+=1,l>0&&(u.fatherId=[]);for(var c=0;c<l;c++)u.fatherId.push((t[a+3]<<24)+(t[a+2]<<16)+(t[a+1]<<8)+t[a]),a+=4;f>0&&(u.track=[]);for(var p=0;p<f;p++){var m=(t[a+1]<<8)+t[a],d=(t[(a+=2)+1]<<8)+t[a],_=(t[(a+=2)+1]<<8)+t[a],h=(t[(a+=2)+1]<<8)+t[a];a+=2,u.track.push([m-_,d-h,m+_,d+h])}e.params.object.push(u)}return e}function u(t){for(var e={result:!1,type:20,params:[]},r=(t[0],t.length),a=0,i=t.slice(4),o=function(){var t={};t.objectId=(i[a+3]<<24)+(i[a+2]<<16)+(i[a+1]<<8)+(i[a+0]<<0),a+=4,t.result=!0,t.params={},t.custom=(i[a+1]<<8)+i[a],a+=2,t.objectStatus=i[a];var e=i[a+=1];a+=1,t.params.object=[];for(var r=null,o=0;o<e;o++){switch(i[a]){case 1:r=c(i.slice(a));break;case 2:r=l(i.slice(a));break;case 3:r=f(i.slice(a));break;case 4:r=p(i.slice(a))}t.params.object.push(r.info),a+=r.offset}1!=t.objectStatus&&3!=t.objectStatus||(t.params=null),0==e&&(t.params=null);var s=(i[a+1]<<8)+i[a];a+=2;var u=n(i.slice(a,a+s));return t.appendInfo=String.fromCharCode.apply(null,i.slice(a,a+s)),a+=s,t.appendInfo=u,t};a<r-4;)e.params.push(o());return e}function f(t){var e=0,r={type:t[0]};e+=1,r.pointCount=t[e],e+=1,r.lineWidth=t[e],e+=1,r.strokeStyle=t[e],e+=1,r.borderColor=[t[e+1],t[e+2],t[e+3],t[e]],r.borderColorType="RGBA",e+=4,r.fillColor=[t[e+1],t[e+2],t[e+3],t[e]],r.fillColorType="RGBA",e+=4,r.coordinate=[];for(var a=0;a<r.pointCount;a++){var n=(t[e+1]<<8)+t[e],i=(t[(e+=2)+1]<<8)+t[e];e+=2,r.coordinate.push([n,i])}return{info:r,offset:e}}function l(t){var e=0,r={type:t[0]};e+=1,r.pointCount=t[e],e+=1,r.lineWidth=t[e],e+=1,r.strokeStyle=t[e],e+=1,r.lineColor=[t[e+1],t[e+2],t[e+3],t[e]],r.lineColorType="RGBA",e+=4,r.coordinate=[];for(var a=0;a<r.pointCount;a++){var n=(t[e+1]<<8)+t[e],i=(t[(e+=2)+1]<<8)+t[e];e+=2,r.coordinate.push([n,i])}return{info:r,offset:e}}function c(t){var e=0,r={type:t[0]};e+=1,r.lineWidth=t[e],e+=1,r.strokeStyle=t[e],e+=1,e+=1,r.radius=(t[e+1]<<8)+t[e],e+=2;var a=(t[(e+=2)+1]<<8)+t[e],n=(t[(e+=2)+1]<<8)+t[e];return e+=2,r.coordinate=[a,n],r.borderColor=[t[e+1],t[e+2],t[e+3],t[e]],r.borderColorType="RGBA",e+=4,r.fillColor=[t[e+1],t[e+2],t[e+3],t[e]],r.fillColorType="RGBA",{info:r,offset:e+=4}}function p(t){var e=0,r={type:t[0]};e+=1,r.encodeType=t[e],e+=1;var a=(t[(e+=2)+1]<<8)+t[e],n=(t[(e+=2)+1]<<8)+t[e];return 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a+=2,r.mainPosition=[i-s,o-u,i+s,o+u],i=(t[a+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a],s=(t[(a+=2)+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a],a+=2,r.coPosition=[i-s,o-u,i+s,o+u],r.mainSafetyBelt=t[a]>>2&3,r.coSafetyBelt=3&t[a],a+=1,r.mainSunvisor=t[a]>>2&3,r.coSunvisor=3&t[a],a+=1,e.attribute81.push(r),n}function _(t,e){e.hasOwnProperty("attribute82")||(e.attribute82=[]);var r={},a=1,n=t[a];return a+=1,r.plateEncode=t[a],a+=1,r.plateInfoLen=t[a],a+=1,r.plateInfo=t.subarray(a,a+r.plateInfoLen),e.attribute82.push(r),n}function h(t,e){e.hasOwnProperty("attribute83")||(e.attribute83=[]);var r={},a=1,n=t[a];return a+=1,r.color={},r.color.valid=t[a],a+=1,r.color.red=t[a],a+=1,r.color.green=t[a],a+=1,r.color.blue=t[a],a+=1,r.color.alpha=t[a],a+=1,r.country=String.fromCharCode.apply(null,t.subarray(a,a+4)),a+=4,r.plateType=(t[a+1]<<8)+t[a],a+=2,a+=1,r.plateWidth=(t[a+1]<<8)+t[a],e.attribute83.push(r),n}function g(t,e){e.hasOwnProperty("attribute84")||(e.attribute84=[]);var r={},a=1,n=t[a];a+=1,r.fatherCount=t[a],a+=1,r.trackCount=t[a],a+=1,r.trackType=t[a],a+=1,a+=3,r.fatherCount>0&&(r.fatherID=[]);for(var i=0;i<r.fatherCount;i++)r.fatherID.push((t[a+3]<<24)+(t[a+2]<<16)+(t[a+1]<<8)+t[a]),a+=4;r.trackCount>0&&(r.track=[]);for(var o=0;o<r.trackCount;o++){var s=(t[a+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a],f=(t[(a+=2)+1]<<8)+t[a],l=(t[(a+=2)+1]<<8)+t[a];a+=2,r.track.push([s-f,u-l,s+f,u+l])}return e.attribute84.push(r),n}function v(t,e){e.hasOwnProperty("attribute85")||(e.attribute85=[]);var r={},a=1,n=t[a];a+=1,r.colorSpace=t[a],a+=1,r.mainColorCount=t[a],a+=1,r.mainColorCount>0&&(r.mainColorInfo=[]);for(var i=0;i<r.mainColorCount;i++){var o={},s=(t[a+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a],f=(t[(a+=2)+1]<<8)+t[a],l=(t[(a+=2)+1]<<8)+t[a];a+=2,o.rect=[s-f,u-l,s+f,u+l],o.color=(t[a+3]<<24)+(t[a+2]<<16)+(t[a+1]<<8)+t[a],a+=4,r.mainColorInfo.push(o)}return e.attribute85.push(r),n}function y(t,e){e.hasOwnProperty("attribute86")||(e.attribute86=[]);var r={},a=1,n=t[a];return a+=1,a+=1,r.speedType=t[a],a+=1,r.speed=t[a+1]<<8+t[a],a+=2,r.speedX=t[a+1]<<8+t[a],a+=2,r.speedY=(t[a+1]<<8)+t[a],e.attribute86.push(r),n}function b(t,e){e.hasOwnProperty("attribute87")||(e.attribute87=[]);var r={},a=1,n=t[a];a+=1;var i=(t[(a+=2)+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a],s=(t[(a+=2)+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a];return r.track=[[i-s,o-u,i+s,o+u]],e.attribute87.push(r),n}function D(t,e){e.hasOwnProperty("attribute88")||(e.attribute88=[]);var r={},a=1;return a+=1,r.age=t[a],a+=1,r.sex=t[a],a+=1,r.face=t[a],a+=1,r.glass=t[a],a+=1,r.hat=t[a],a+=1,r.call=t[a],a+=1,r.backpack=t[a],a+=1,r.umbrella=t[a],a+=1,r.height=t[a],a+=1,r.mask=t[a]>>2&3,r.beard=3&t[a],e.attribute88.push(r),len}function T(t,e){e.hasOwnProperty("attribute89")||(e.attribute89=[]);var r={},a=1,n=t[a];a+=1,r.yawAngle=parseInt((t[a+1]<<8)+t[a]),a+=2,r.rollAngle=parseInt((t[a+1]<<8)+t[a]),a+=2,r.pitchAngle=parseInt((t[a+1]<<8)+t[a]);var i=(t[(a+=2)+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a];a+=2,r.lEyePos=[i,o],i=(t[a+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a],a+=2,r.rEyePos=[i,o],i=(t[a+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a],a+=2,r.nosePos=[i,o],i=(t[a+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a],a+=2,r.lMouthPos=[i,o],i=(t[a+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a],a+=2,r.rMouthPos=[i,o];var s=t[a];a+=3,s>0&&(r.featurePos=[]);for(var u=0;u<s;u++)i=(t[a+1]<<8)+t[a],o=(t[(a+=2)+1]<<8)+t[a],a+=2,r.featurePos.push([i,o]);return e.attribute89.push(r),n}function S(t,e){e.hasOwnProperty("attribute8C")||(e.attribute8C=[]);var r={},a=1,n=t[a];a+=1,r.hangingCount=t[a],a+=1,r.tissueCount=t[a],a+=1,r.sunVisorCount=t[a],a+=1,r.annualInspectionCount=t[a],a+=1,a+=6,r.hangingCount>0&&(r.hangingCount=[]);for(var i=0;i<r.hangingCount;i++){var o=(t[a+1]<<8)+t[a],s=(t[(a+=2)+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a],f=(t[(a+=2)+1]<<8)+t[a];a+=2,r.hangingPos.push([o-u,s-f,o+u,s+f])}for(r.tissueCount>0&&(r.tissueCount=[]),i=0;i<r.tissueCount;i++)o=(t[a+1]<<8)+t[a],s=(t[(a+=2)+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a],f=(t[(a+=2)+1]<<8)+t[a],a+=2,r.tissueCount.push([o-u,s-f,o+u,s+f]);for(r.sunVisorCount>0&&(r.sunVisorCount=[]),i=0;i<r.tissueCount;i++)o=(t[a+1]<<8)+t[a],s=(t[(a+=2)+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a],f=(t[(a+=2)+1]<<8)+t[a],a+=2,r.sunVisorCount.push([o-u,s-f,o+u,s+f]);for(r.annualInspectionCount>0&&(r.annualInspectionCount=[]),i=0;i<r.tissueCount;i++)o=(t[a+1]<<8)+t[a],s=(t[(a+=2)+1]<<8)+t[a],u=(t[(a+=2)+1]<<8)+t[a],f=(t[(a+=2)+1]<<8)+t[a],a+=2,r.annualInspectionCount.push([o-u,s-f,o+u,s+f]);return e.attribute8C.push(r),n}function w(t,e){e.hasOwnProperty("attribute8E")||(e.attribute8E=[]);var r={},a=1,n=t[a];a+=1,r.nameCodecFormat=t[a];var i=t[a+=1];return 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