VirtualDrummerMicrophoneInput.java 文件源码

void getAudioInfo (){

        Mixer.Info[] mixerInfos = AudioSystem.getMixerInfo();
        log.info(mixerInfos.length + " mixers");
        for ( int i = 0 ; i < mixerInfos.length ; i++ ){

            Mixer mixer = AudioSystem.getMixer(mixerInfos[i]);
            System.out.println("Mixer " + mixer);
            // target data lines
            Line.Info[] lineInfos = mixer.getTargetLineInfo();
            System.out.println("\t" + lineInfos.length + " lineInfos");
            for ( int j = 0 ; j < lineInfos.length ; j++ ){
                if ( lineInfos[j] instanceof DataLine.Info ){
                    AudioFormat[] formats = ( (DataLine.Info)lineInfos[j] ).getFormats();
                    System.out.println("\t\t\t" + formats.length + " formats");
                    for ( int k = 0 ; k < formats.length ; k++ ){
                        System.out.println("\t\tFormat " + formats[k]);
                    }
                }
                Line line = null;
                try{
                    line = mixer.getLine(lineInfos[j]);
                    System.out.println("\tLine " + line);
                } catch ( LineUnavailableException e ){
                    e.printStackTrace();
                }
            }
        }
    }