48 lines
1.3 KiB
JavaScript
Executable File
48 lines
1.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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'use strict';
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const gpmfExtract = require('gpmf-extract');
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const goproTelemetry = require(`gopro-telemetry`);
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const fs = require('fs');
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const minimist = require('minimist');
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const _ = require('lodash');
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const { version } = require(__dirname + '/../package');
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async function main(options) {
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if (options.version) {
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return console.log(`gopro-telemetry-exporter v${version}`)
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}
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const res = await gpmfExtract(bufferAppender(options.input, 10 * 1024 * 1024));
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function bufferAppender(path, chunkSize) {
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return function (mp4boxFile) {
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var stream = fs.createReadStream(path, { highWaterMark: chunkSize });
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var bytesRead = 0;
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stream.on('end', () => {
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mp4boxFile.flush();
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});
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stream.on('data', chunk => {
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var arrayBuffer = new Uint8Array(chunk).buffer;
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arrayBuffer.fileStart = bytesRead;
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mp4boxFile.appendBuffer(arrayBuffer);
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bytesRead += chunk.length;
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});
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stream.resume();
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};
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}
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goproTelemetry(res, _.omit(options, ['_', 'input', 'output']), telemetryData => {
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if (options.preset === 'csv') {
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telemetryData = _.values(telemetryData)[0];
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} else if (!_.isString(telemetryData)) {
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telemetryData = JSON.stringify(telemetryData);
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}
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fs.writeFileSync(options.output, telemetryData);
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});
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}
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main(minimist(process.argv.slice(2)));
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