Haha-Yes/node_modules/node-opus/bin/opusdec-js.js
2018-09-09 21:20:36 +02:00

50 lines
1.3 KiB
JavaScript
Executable file

#!/usr/bin/env node
"use strict";
var opus = require('../');
var ogg = require('ogg');
var fs = require('fs');
var program = require('commander');
var packagejson = require('../package.json');
function toInt( n ) { return parseInt( n ); }
program
.version( packagejson.version )
.option('--bitrate [N.nnn]',
'Set target bitrate in kbit/sec (6-256 per channel, default: 64)',
toInt, 64 )
.option('--rate [N]',
'Set sampling rate for raw input (default: 48000)',
toInt, 48000 )
.option('--channels [N]',
'Set sampling channels for raw input (default: 2)',
toInt, 48000 )
.arguments( '<input> <output>' )
.parse( process.argv );
if( program.args.length !== 2 )
program.help();
// Open the output streams.
var input_raw = fs.createReadStream( program.args[ 0 ] );
var output = fs.createWriteStream( program.args[ 1 ] );
var oggDecoder = new ogg.Decoder();
oggDecoder.on( 'stream', function( stream ) {
// Create the decoder based on the command parameters.
var decoder = new opus.Decoder( program.rate, program.channels );
decoder.on( 'format', function( format ) {
decoder.pipe( output );
});
decoder.on( 'error', function( err ) {
console.error( err );
});
stream.pipe( decoder );
});
input_raw.pipe( oggDecoder )