/* Aerostat Beam Coder - Node.js native bindings for FFmpeg. Copyright (C) 2019 Streampunk Media Ltd. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . https://www.streampunk.media/ mailto:[email protected] 14 Ormiscaig, Aultbea, Achnasheen, IV22 2JJ U.K. */ const beamcoder = require('../index.js'); async function run() { const urls = [ 'file:../Media/sound/Countdown.wav' ]; const spec = { start: 50, end: 58 }; const params = { video: [], audio: [ { sources: [ { url: urls[0], ms: spec, streamIndex: 0 } ], filterSpec: '[in0:a] \ volume=precision=float:volume=0.8 \ [out0:a]', streams: [ { name: 'aac', time_base: [1, 90000], codecpar: { sample_rate: 48000, format: 'fltp', channel_layout: 'stereo' } } ] }, ], out: { formatName: 'mp4', url: 'file:temp.mp4' } }; await beamcoder.makeSources(params); const beamStreams = await beamcoder.makeStreams(params); await beamStreams.run(); } console.log('Running wav maker'); let start = Date.now(); run() .then(() => console.log(`Finished ${Date.now() - start}ms`)) .catch(console.error);