SoundMixer.java 文件源码

private void initMixer() {
        Info selected;
        Info[] mixerInfo = AudioSystem.getMixerInfo();

        if (mixerInfo == null || mixerInfo.length == 0) {
            theMixer = null;
            lineAvailable = false;
            System.out.println("No sound mixer is available!");
            return;
        }

        String mixer = preferredMixer.getValue();
        selected = mixerInfo[0];
        for (Info i : mixerInfo) {
            if (i.getName().equalsIgnoreCase(mixer)) {
                selected = i;
                break;
            }
        }
        theMixer = AudioSystem.getMixer(selected);
//        for (Line l : theMixer.getSourceLines()) {
//            l.close();
//        }
        lineAvailable = true;
    }