var fe = app.getFrontend();

var addResult = fe.addCompToBatch('C:\\Users\\bbb\\Desktop\\test.aep', 'C:\\Users\\bbb\\Desktop\\test.epr', 'C:\\Users\\bbb\\Desktop\\output.mp4');

var encoderHost = app.getEncoderHost();
encoderHost.runBatch();

while (encoderHost.isBatchRunning()){
	app.wait(1000);
}

app.quit();