nlvmi/web/novnc/core/inflator.js

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2018-08-13 18:25:05 +02:00
import { inflateInit, inflate, inflateReset } from "../vendor/pako/lib/zlib/inflate.js";
import ZStream from "../vendor/pako/lib/zlib/zstream.js";
Inflate.prototype = {
inflate: function (data, flush, expected) {
this.strm.input = data;
this.strm.avail_in = this.strm.input.length;
this.strm.next_in = 0;
this.strm.next_out = 0;
// resize our output buffer if it's too small
// (we could just use multiple chunks, but that would cause an extra
// allocation each time to flatten the chunks)
if (expected > this.chunkSize) {
this.chunkSize = expected;
this.strm.output = new Uint8Array(this.chunkSize);
}
this.strm.avail_out = this.chunkSize;
inflate(this.strm, flush);
return new Uint8Array(this.strm.output.buffer, 0, this.strm.next_out);
},
reset: function () {
inflateReset(this.strm);
}
};
export default function Inflate() {
this.strm = new ZStream();
this.chunkSize = 1024 * 10 * 10;
this.strm.output = new Uint8Array(this.chunkSize);
this.windowBits = 5;
inflateInit(this.strm, this.windowBits);
};