mirror of
https://github.com/musix-org/musix-oss
synced 2024-12-23 16:13:18 +00:00
51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
#!/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 )
|
|
|