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

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2019-09-18 08:11:16 +00:00
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( 'Decoder', function() {
var SERIALNO = 1;
[ 'random', 'sine' ].forEach( function( file ) {
[ 8000, 48000 ].forEach( function( hzEncode ) {
[ 1, 2 ].forEach( function( chanEncode ) {
[ 8000, 48000 ].forEach( function( hzDecode ) {
[ 1, 2 ].forEach( function( chanDecode ) {
it( util.format(
'should decode %d:%d %s audio in %d:%d Hz',
hzEncode, chanEncode, file, hzDecode, chanDecode ),
function( done ) {
var inputPath = path.join(
path.basename( __dirname ),
'data',
util.format( '%s-%d-%d-%d.opus',
file, hzEncode, chanEncode, 20 ) );
var input = fs.createReadStream( inputPath );
var refPath = path.join(
path.basename( __dirname ),
'data',
util.format( '%s-%d-%d-%d-%d-%d.raw',
file, hzEncode, chanEncode, 20,
hzDecode, chanDecode ) );
var reference = fs.createReadStream( refPath );
var decoder = new opus.Decoder( hzDecode, chanDecode );
var oggDecoder = new ogg.Decoder();
oggDecoder.on( 'stream', function( stream ) {
stream.pipe( decoder );
});
input.pipe( oggDecoder )
streamEqual( decoder, reference, function( err, equal ) {
if( err )
throw err;
if( ! equal ) {
throw new Error( util.format(
"Streams not equal (%s, %d:%d, %d:%d)",
file, hzEncode, chanEncode,
hzDecode, chanDecode ) );
}
done();
} );
} );
} ) } ) } ) } ) } );
} );