Add .gitignore to exclude all node packages and lock files
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+148
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.makeStreamPayloadMessage = exports.makeStreamer = exports.streamingKey = void 0;
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exports.streamingKey = 'remotion_buffer:';
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const makeStreamer = (onMessage) => {
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const separator = new Uint8Array(exports.streamingKey.length);
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for (let i = 0; i < exports.streamingKey.length; i++) {
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separator[i] = exports.streamingKey.charCodeAt(i);
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}
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let unprocessedBuffers = [];
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let outputBuffer = new Uint8Array(0);
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let missingData = null;
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const findSeparatorIndex = () => {
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let searchIndex = 0;
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while (true) {
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const separatorIndex = outputBuffer.indexOf(separator[0], searchIndex); // Start checking for the first byte of the separator
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if (separatorIndex === -1) {
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return -1;
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}
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if (outputBuffer
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.subarray(separatorIndex, separatorIndex + separator.length)
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.toString() !== separator.toString()) {
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searchIndex = separatorIndex + 1;
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continue;
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}
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return separatorIndex;
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}
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};
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const processInput = () => {
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let separatorIndex = findSeparatorIndex(); // Start checking for the first byte of the separator
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if (separatorIndex === -1) {
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return;
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}
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separatorIndex += separator.length;
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let nonceString = '';
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let lengthString = '';
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let statusString = '';
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while (true) {
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if (separatorIndex > outputBuffer.length - 1) {
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return;
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}
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const nextDigit = outputBuffer[separatorIndex];
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separatorIndex++;
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if (nextDigit === 0x3a) {
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break;
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}
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nonceString += String.fromCharCode(nextDigit);
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}
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while (true) {
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if (separatorIndex > outputBuffer.length - 1) {
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return;
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}
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const nextDigit = outputBuffer[separatorIndex];
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separatorIndex++;
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if (nextDigit === 0x3a) {
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break;
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}
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lengthString += String.fromCharCode(nextDigit);
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}
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while (true) {
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if (separatorIndex > outputBuffer.length - 1) {
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return;
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}
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const nextDigit = outputBuffer[separatorIndex];
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if (nextDigit === 0x3a) {
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break;
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}
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separatorIndex++;
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statusString += String.fromCharCode(nextDigit);
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}
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const length = Number(lengthString);
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const status = Number(statusString);
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const dataLength = outputBuffer.length - separatorIndex - 1;
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if (dataLength < length) {
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missingData = {
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dataMissing: length - dataLength,
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};
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return;
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}
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const data = outputBuffer.subarray(separatorIndex + 1, separatorIndex + 1 + Number(lengthString));
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onMessage(status === 1 ? 'error' : 'success', nonceString, data);
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missingData = null;
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outputBuffer = outputBuffer.subarray(separatorIndex + Number(lengthString) + 1);
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processInput();
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};
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const onData = (data) => {
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unprocessedBuffers.push(data);
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if (missingData) {
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missingData.dataMissing -= data.length;
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}
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if (missingData && missingData.dataMissing > 0) {
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return;
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}
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const newBuffer = new Uint8Array(outputBuffer.length +
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unprocessedBuffers.reduce((acc, val) => acc + val.length, 0));
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newBuffer.set(outputBuffer, 0);
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let offset = outputBuffer.length;
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for (const buf of unprocessedBuffers) {
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newBuffer.set(buf, offset);
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offset += buf.length;
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}
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outputBuffer = newBuffer;
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unprocessedBuffers = [];
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processInput();
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};
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return {
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onData,
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getOutputBuffer: () => outputBuffer,
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clear: () => {
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unprocessedBuffers = [];
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outputBuffer = new Uint8Array(0);
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},
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};
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};
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exports.makeStreamer = makeStreamer;
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const makeStreamPayloadMessage = ({ status, body, nonce, }) => {
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const nonceArr = new TextEncoder().encode(nonce);
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const magicWordArr = new TextEncoder().encode(exports.streamingKey);
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const separatorArr = new TextEncoder().encode(':');
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const bodyLengthArr = new TextEncoder().encode(body.length.toString());
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const statusArr = new TextEncoder().encode(String(status));
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// Calculate total length of new Uint8Array
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const totalLength = nonceArr.length +
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magicWordArr.length +
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separatorArr.length * 3 +
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bodyLengthArr.length +
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statusArr.length +
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body.length;
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// Create a new Uint8Array to hold all combined parts
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const concat = new Uint8Array(totalLength);
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let offset = 0;
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// Function to append data to concat
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const appendToConcat = (data) => {
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concat.set(data, offset);
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offset += data.length;
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};
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// Building the final Uint8Array
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appendToConcat(magicWordArr);
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appendToConcat(nonceArr);
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appendToConcat(separatorArr);
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appendToConcat(bodyLengthArr);
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appendToConcat(separatorArr);
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appendToConcat(statusArr);
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appendToConcat(separatorArr);
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appendToConcat(body);
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return concat;
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};
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exports.makeStreamPayloadMessage = makeStreamPayloadMessage;
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