Shared.java 文件源码

public static Vector<Mixer.Info> getMixerInfo(
        final boolean supportsPlayback, final boolean supportsRecording) {
    final Vector<Mixer.Info> infos = new Vector<Mixer.Info>();
    final Mixer.Info[] mixers = AudioSystem.getMixerInfo();
    for (final Info mixerinfo : mixers) {
        if (supportsRecording
                && AudioSystem.getMixer(mixerinfo).getTargetLineInfo().length != 0) {
            // Mixer capable of recording audio if target LineWavelet length != 0
            infos.add(mixerinfo);
        } else if (supportsPlayback
                && AudioSystem.getMixer(mixerinfo).getSourceLineInfo().length != 0) {
            // Mixer capable of audio play back if source LineWavelet length != 0
            infos.add(mixerinfo);
        }
    }
    return infos;
}