2 lines
82 KiB
JavaScript
2 lines
82 KiB
JavaScript
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k.ErrnoError(28);if("."!==b.relative(t,r).charAt(0))throw new k.ErrnoError(55);try{u=k.lookupNode(s,i)}catch(e){}if(l!==u){n=k.isDir(l.mode),t=k.mayDelete(a,o,n);if(t)throw new k.ErrnoError(t);if(t=u?k.mayDelete(s,i,n):k.mayCreate(s,i))throw new k.ErrnoError(t);if(!a.node_ops.rename)throw new k.ErrnoError(63);if(k.isMountpoint(l)||u&&k.isMountpoint(u))throw new k.ErrnoError(10);if(s!==a&&(t=k.nodePermissions(a,"w")))throw new k.ErrnoError(t);k.hashRemoveNode(l);try{a.node_ops.rename(l,s,i)}catch(e){throw e}finally{k.hashAddNode(l)}}},rmdir:e=>{var t=k.lookupPath(e,{parent:!0}).node,e=E.basename(e),r=k.lookupNode(t,e),n=k.mayDelete(t,e,!0);if(n)throw new k.ErrnoError(n);if(!t.node_ops.rmdir)throw new k.ErrnoError(63);if(k.isMountpoint(r))throw new k.ErrnoError(10);t.node_ops.rmdir(t,e),k.destroyNode(r)},readdir:e=>{e=k.lookupPath(e,{follow:!0}).node;if(e.node_ops.readdir)return e.node_ops.readdir(e);throw new k.ErrnoError(54)},unlink:e=>{var t=k.lookupPath(e,{parent:!0}).node;if(!t)throw new k.ErrnoError(44);var e=E.basename(e),r=k.lookupNode(t,e),n=k.mayDelete(t,e,!1);if(n)throw new k.ErrnoError(n);if(!t.node_ops.unlink)throw new k.ErrnoError(63);if(k.isMountpoint(r))throw new k.ErrnoError(10);t.node_ops.unlink(t,e),k.destroyNode(r)},readlink:e=>{e=k.lookupPath(e).node;if(!e)throw new k.ErrnoError(44);if(e.node_ops.readlink)return b.resolve(k.getPath(e.parent),e.node_ops.readlink(e));throw new k.ErrnoError(28)},stat:(e,t)=>{e=k.lookupPath(e,{follow:!t}).node;if(!e)throw new k.ErrnoError(44);if(e.node_ops.getattr)return e.node_ops.getattr(e);throw new k.ErrnoError(63)},lstat:e=>k.stat(e,!0),chmod:(e,t,r)=>{r="string"==typeof e?k.lookupPath(e,{follow:!r}).node:e;if(!r.node_ops.setattr)throw new k.ErrnoError(63);r.node_ops.setattr(r,{mode:4095&t|-4096&r.mode,timestamp:Date.now()})},lchmod:(e,t)=>{k.chmod(e,t,!0)},fchmod:(e,t)=>{e=k.getStream(e);if(!e)throw new k.ErrnoError(8);k.chmod(e.node,t)},chown:(e,t,r,n)=>{n="string"==typeof e?k.lookupPath(e,{follow:!n}).node:e;if(!n.node_ops.setattr)throw new k.ErrnoError(63);n.node_ops.setattr(n,{timestamp:Date.now()})},lchown:(e,t,r)=>{k.chown(e,t,r,!0)},fchown:(e,t,r)=>{e=k.getStream(e);if(!e)throw new k.ErrnoError(8);k.chown(e.node,t,r)},truncate:(e,t)=>{if(t<0)throw new k.ErrnoError(28);e="string"==typeof e?k.lookupPath(e,{follow:!0}).node:e;if(!e.node_ops.setattr)throw new k.ErrnoError(63);if(k.isDir(e.mode))throw new k.ErrnoError(31);if(!k.isFile(e.mode))throw new k.ErrnoError(28);var r=k.nodePermissions(e,"w");if(r)throw new k.ErrnoError(r);e.node_ops.setattr(e,{size:t,timestamp:Date.now()})},ftruncate:(e,t)=>{e=k.getStream(e);if(!e)throw new k.ErrnoError(8);if(0==(2097155&e.flags))throw new k.ErrnoError(28);k.truncate(e.node,t)},utime:(e,t,r)=>{e=k.lookupPath(e,{follow:!0}).node;e.node_ops.setattr(e,{timestamp:Math.max(t,r)})},open:(e,t,r)=>{if(""===e)throw new k.ErrnoError(44);var 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t=e[0]>>4;(10==t&&0===e[1]||7==t||8==t)&&(e=10==t?e.slice(2):e.slice(1),_.setCodec(t,b.opt.sampleRate,e),h=!0)},decodeAudio:function(e,t){var r=e[0]>>4;h?_.decode(10==r?e.slice(2):e.slice(1),t):b.setCodecAudio(e)},setCodecVideo:function(e){var t=15&e[0];e[0]>>4!=1||0!==e[1]||7!=t&&12!=t||(p=!0,e=e.slice(5),T.setCodec(t,e))},decodeVideo:function(e,t,r){p?(m=!m&&r?!0:m)?T.decode(e.slice(5),r?1:0,t):b.opt.debug&&console.error("Jessibuca: [worker]: decodeVideo: first frame is not iframe"):b.setCodecVideo(e)},clearBuffer:function(){var e=0<arguments.length&&void 0!==arguments[0]&&arguments[0];b.opt.debug&&console.log(`Jessibuca: [worker]: clearBuffer,bufferList length is ${n.length}, need clear is `+e),e&&(n=[]),this.resetDelay(),this.dropping=!0},dropBuffer:function(){for(;0<n.length;){var e=n[0];if(1===e.type&&0===e.payload[1]&&(b.doDecode(e),n.shift()),e.isIFrame&&n.length<10){b.opt.debug&&console.log(`Jessibuca: [worker]: dropBuffer end isIFrame ${e.isIFrame} and delay is ${b.delay} and 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i.bindTexture(i.TEXTURE_2D,r),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MAG_FILTER,i.LINEAR),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MIN_FILTER,i.LINEAR),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_S,i.CLAMP_TO_EDGE),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_T,i.CLAMP_TO_EDGE),i.bindTexture(i.TEXTURE_2D,null),i.uniform1i(i.getUniformLocation(o,e),t),r}var i,o,a,s,u,l,c;postMessage({cmd:"videoCode",code:e}),postMessage({cmd:C,w:t,h:r}),d=t,f=r,b.useOffscreen()&&(this.offscreenCanvas=new OffscreenCanvas(t,r),this.offscreenCanvasGL=this.offscreenCanvas.getContext("webgl"),this.webglObj=(i=this.offscreenCanvasGL,e=b.opt.openWebglAlignment,t=["attribute vec4 vertexPos;","attribute vec4 texturePos;","varying vec2 textureCoord;","void main()","{","gl_Position = vertexPos;","textureCoord = texturePos.xy;","}"].join("\n"),r=["precision highp float;","varying highp vec2 textureCoord;","uniform sampler2D ySampler;","uniform sampler2D uSampler;","uniform sampler2D vSampler;","const mat4 YUV2RGB = 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n=r.slice(0,e*t),o=r.slice(e*t,e*t*5/4),r=r.slice(e*t*5/4,e*t*3/2);i.viewport(0,0,e,t),i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,u),i.texImage2D(i.TEXTURE_2D,0,i.LUMINANCE,e,t,0,i.LUMINANCE,i.UNSIGNED_BYTE,n),i.activeTexture(i.TEXTURE1),i.bindTexture(i.TEXTURE_2D,l),i.texImage2D(i.TEXTURE_2D,0,i.LUMINANCE,e/2,t/2,0,i.LUMINANCE,i.UNSIGNED_BYTE,o),i.activeTexture(i.TEXTURE2),i.bindTexture(i.TEXTURE_2D,c),i.texImage2D(i.TEXTURE_2D,0,i.LUMINANCE,e/2,t/2,0,i.LUMINANCE,i.UNSIGNED_BYTE,r),i.drawArrays(i.TRIANGLE_STRIP,0,4)},destroy:function(){try{i.deleteProgram(o),i.deleteBuffer(a),i.deleteBuffer(s),i.deleteTexture(u),i.deleteTexture(l),i.deleteBuffer(c)}catch(e){}}}))},audioInfo:function(e,t,r){postMessage({cmd:"audioCode",code:e}),postMessage({cmd:"initAudio",sampleRate:t,channels:r}),E=r},yuvData:function(e,t){var r=d*f*3/2,e=s.HEAPU8.subarray(e,e+r),r=new Uint8Array(e);b.useOffscreen()?(this.webglObj.renderYUV(d,f,r),e=this.offscreenCanvas.transferToImageBitmap(),postMessage({cmd:P,buffer:e,delay:this.delay,ts:t},[e])):postMessage({cmd:P,output:r,delay:this.delay,ts:t},[r.buffer])},pcmData:function(t,e,r){let n=e,o=[],i=0;for(let e=0;e<2;e++){var a=s.HEAPU32[(t>>2)+e]>>2;o[e]=s.HEAPF32.subarray(a,a+n)}if(w){if(!(n>=(e=1024-w)))return w+=n,u[0]=Float32Array.of(...u[0],...o[0]),void(2==E&&(u[1]=Float32Array.of(...u[1],...o[1])));v[0]=Float32Array.of(...u[0],...o[0].subarray(0,e)),2==E&&(v[1]=Float32Array.of(...u[1],...o[1].subarray(0,e))),postMessage({cmd:S,buffer:v,ts:r},v.map(e=>e.buffer)),i=e,n-=e}for(w=n;1024<=w;w-=1024)v[0]=o[0].slice(i,i+=1024),2==E&&(v[1]=o[1].slice(i-1024,i)),postMessage({cmd:S,buffer:v,ts:r},v.map(e=>e.buffer));w&&(u[0]=o[0].slice(i),2==E&&(u[1]=o[1].slice(i)))},timeEnd:function(){postMessage({cmd:"workerEnd"})}}),_=new s.AudioDecoder(b),T=new s.VideoDecoder(b);postMessage({cmd:R}),self.onmessage=function(e){var t=e.data;switch(t.cmd){case R:try{b.opt=Object.assign(b.opt,JSON.parse(t.opt))}catch(e){}b.init();break;case"decode":b.pushBuffer(t.buffer,t.options);break;case"audioDecode":b.decodeAudio(t.buffer,t.ts);break;case"videoDecode":b.decodeVideo(t.buffer,t.ts,t.isIFrame);break;case"clearBuffer":b.clearBuffer(t.needClear);break;case"fetchStream":b.fetchStream(t.url,JSON.parse(t.opt));break;case"close":b.close();break;case"updateConfig":b.opt[t.key]=t.value}}}$.U32=s,$.U16=u,$.U8=l,Date.now||(Date.now=function(){return(new Date).getTime()}),o.postRun=function(){d(o)}});
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