linx-simulator2/node_modules/node-opus/test/Encoder.js

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2019-09-18 08:11:16 +00:00
require( 'chai' ).should();
var ogg = require( 'ogg' );
var util = require( 'util' );
var opus = require( '../' );
var path = require( 'path' );
var streamEqual = require( 'stream-equal' );
var fs = require( 'fs' );
describe( 'Encoder', function() {
var SERIALNO = 1;
[ 'random', 'sine' ].forEach( function( file ) {
[ 8000, 48000 ].forEach( function( hz ) {
[ 1, 2 ].forEach( function( channels ) {
it( util.format(
'should encode %d Hz, %d channel %s audio',
hz, channels, file ),
function( done ) {
var inputPath = path.join(
path.basename( __dirname ),
'data',
util.format( '%s.raw', file ) );
var input = fs.createReadStream( inputPath );
var refPath = path.join(
path.basename( __dirname ),
'data',
util.format( '%s-%d-%d-%d.opus',
file, hz, channels, 20 ) );
var reference = fs.createReadStream( refPath );
var bytes = hz * 20 / 1000;
var encoder = new opus.Encoder( hz, channels, bytes );
var oggEncoder = new ogg.Encoder();
input.pipe( encoder ).pipe( oggEncoder.stream( SERIALNO ) );
streamEqual( oggEncoder, reference, function( err, equal ) {
if( err )
throw err;
equal.should.be.true;
done();
} );
} );
} ) } ) } );
} );