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