{"ast":null,"code":"\"use strict\";\n\n// Copyright (c) Microsoft Corporation. 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All rights reserved.\n// Licensed under the MIT license.\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.ChunkedArrayBufferStream = void 0;\nconst Exports_js_1 = require(\"./Exports.js\");\nclass ChunkedArrayBufferStream extends Exports_js_1.Stream {\n    constructor(targetChunkSize, streamId) {\n        super(streamId);\n        this.privTargetChunkSize = Math.round(targetChunkSize);\n        this.privNextBufferReadyBytes = 0;\n    }\n    writeStreamChunk(chunk) {\n        // No pending write, and the buffer is the right size so write it.\n        if (chunk.isEnd ||\n            (0 === this.privNextBufferReadyBytes && chunk.buffer.byteLength === this.privTargetChunkSize)) {\n            super.writeStreamChunk(chunk);\n            return;\n        }\n        let bytesCopiedFromBuffer = 0;\n        while (bytesCopiedFromBuffer < chunk.buffer.byteLength) {\n            // Fill the next buffer.\n            if (undefined === this.privNextBufferToWrite) {\n                this.privNextBufferToWrite = new ArrayBuffer(this.privTargetChunkSize);\n                this.privNextBufferStartTime = chunk.timeReceived;\n            }\n            // Find out how many bytes we can copy into the read buffer.\n            const bytesToCopy = Math.min(chunk.buffer.byteLength - bytesCopiedFromBuffer, this.privTargetChunkSize - this.privNextBufferReadyBytes);\n            const targetView = new Uint8Array(this.privNextBufferToWrite);\n            const sourceView = new Uint8Array(chunk.buffer.slice(bytesCopiedFromBuffer, bytesToCopy + bytesCopiedFromBuffer));\n            targetView.set(sourceView, this.privNextBufferReadyBytes);\n            this.privNextBufferReadyBytes += bytesToCopy;\n            bytesCopiedFromBuffer += bytesToCopy;\n            // Are we ready to write?\n            if (this.privNextBufferReadyBytes === this.privTargetChunkSize) {\n                super.writeStreamChunk({\n                    buffer: this.privNextBufferToWrite,\n                    isEnd: false,\n                    timeReceived: this.privNextBufferStartTime,\n                });\n                this.privNextBufferReadyBytes = 0;\n                this.privNextBufferToWrite = undefined;\n            }\n        }\n    }\n    close() {\n        // Send whatever is pending, then close the base class.\n        if (0 !== this.privNextBufferReadyBytes && !this.isClosed) {\n            super.writeStreamChunk({\n                buffer: this.privNextBufferToWrite.slice(0, this.privNextBufferReadyBytes),\n                isEnd: false,\n                timeReceived: this.privNextBufferStartTime,\n            });\n        }\n        super.close();\n    }\n}\nexports.ChunkedArrayBufferStream = ChunkedArrayBufferStream;\n\n"],"mappings":"AAAA,YAAY;;AACZ;AACA;AACAA,MAAM,CAACC,cAAc,CAACC,OAAO,EAAE,YAAY,EAAE;EAAEC,KAAK,EAAE;AAAK,CAAC,CAAC;AAC7DD,OAAO,CAACE,wBAAwB,GAAG,KAAK,CAAC;AACzC,MAAMC,YAAY,GAAGC,OAAO,CAAC,cAAc,CAAC;AAC5C,MAAMF,wBAAwB,SAASC,YAAY,CAACE,MAAM,CAAC;EACvDC,WAAWA,CAACC,eAAe,EAAEC,QAAQ,EAAE;IACnC,KAAK,CAACA,QAAQ,CAAC;IACf,IAAI,CAACC,mBAAmB,GAAGC,IAAI,CAACC,KAAK,CAACJ,eAAe,CAAC;IACtD,IAAI,CAACK,wBAAwB,GAAG,CAAC;EACrC;EACAC,gBAAgBA,CAACC,KAAK,EAAE;IACpB;IACA,IAAIA,KAAK,CAACC,KAAK,IACV,CAAC,KAAK,IAAI,CAACH,wBAAwB,IAAIE,KAAK,CAACE,MAAM,CAACC,UAAU,KAAK,IAAI,CAACR,mBAAoB,EAAE;MAC/F,KAAK,CAACI,gBAAgB,CAACC,KAAK,CAAC;MAC7B;IACJ;IACA,IAAII,qBAAqB,GAAG,CAAC;IAC7B,OAAOA,qBAAqB,GAAGJ,KAAK,CAACE,MAAM,CAACC,UAAU,EAAE;MACpD;MACA,IAAIE,SAAS,KAAK,IAAI,CAACC,qBAAqB,EAAE;QAC1C,IAAI,CAACA,qBAAqB,GAAG,IAAIC,WAAW,CAAC,IAAI,CAACZ,mBAAmB,CAAC;QACtE,IAAI,CAACa,uBAAuB,GAAGR,KAAK,CAACS,YAAY;MACrD;MACA;MACA,MAAMC,WAAW,GAAGd,IAAI,CAACe,GAAG,CAACX,KAAK,CAACE,MAAM,CAACC,UAAU,GAAGC,qBAAqB,EAAE,IAAI,CAACT,mBAAmB,GAAG,IAAI,CAACG,wBAAwB,CAAC;MACvI,MAAMc,UAAU,GAAG,IAAIC,UAAU,CAAC,IAAI,CAACP,qBAAqB,CAAC;MAC7D,MAAMQ,UAAU,GAAG,IAAID,UAAU,CAACb,KAAK,CAACE,MAAM,CAACa,KAAK,CAACX,qBAAqB,EAAEM,WAAW,GAAGN,qBAAqB,CAAC,CAAC;MACjHQ,UAAU,CAACI,GAAG,CAACF,UAAU,EAAE,IAAI,CAAChB,wBAAwB,CAAC;MACzD,IAAI,CAACA,wBAAwB,IAAIY,WAAW;MAC5CN,qBAAqB,IAAIM,WAAW;MACpC;MACA,IAAI,IAAI,CAACZ,wBAAwB,KAAK,IAAI,CAACH,mBAAmB,EAAE;QAC5D,KAAK,CAACI,gBAAgB,CAAC;UACnBG,MAAM,EAAE,IAAI,CAACI,qBAAqB;UAClCL,KAAK,EAAE,KAAK;UACZQ,YAAY,EAAE,IAAI,CAACD;QACvB,CAAC,CAAC;QACF,IAAI,CAACV,wBAAwB,GAAG,CAAC;QACjC,IAAI,CAACQ,qBAAqB,GAAGD,SAAS;MAC1C;IACJ;EACJ;EACAY,KAAKA,CAAA,EAAG;IACJ;IACA,IAAI,CAAC,KAAK,IAAI,CAACnB,wBAAwB,IAAI,CAAC,IAAI,CAACoB,QAAQ,EAAE;MACvD,KAAK,CAACnB,gBAAgB,CAAC;QACnBG,MAAM,EAAE,IAAI,CAACI,qBAAqB,CAACS,KAAK,CAAC,CAAC,EAAE,IAAI,CAACjB,wBAAwB,CAAC;QAC1EG,KAAK,EAAE,KAAK;QACZQ,YAAY,EAAE,IAAI,CAACD;MACvB,CAAC,CAAC;IACN;IACA,KAAK,CAACS,KAAK,CAAC,CAAC;EACjB;AACJ;AACA/B,OAAO,CAACE,wBAAwB,GAAGA,wBAAwB","ignoreList":[]},"metadata":{},"sourceType":"script","externalDependencies":[]}