Created
October 18, 2016 13:50
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Audio devices as seen by javax.sound
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| import javax.sound.sampled.*; | |
| import java.util.Arrays; | |
| public class AudioSystemInfo { | |
| public static void main(String[] args) { | |
| System.out.println("Audio devices as seen by javax.sound:"); | |
| // simpleMixerInfo(); | |
| dumpMixers(); | |
| } | |
| private static void dumpLineInfo(String indent, Line.Info[] lineInfo) { | |
| int numDumped = 0; | |
| if (lineInfo != null) { | |
| for (Line.Info info : lineInfo) { | |
| if (info instanceof DataLine.Info) { | |
| System.out.println(indent + "Line: " + info.toString()); | |
| AudioFormat[] formats = ((DataLine.Info) info).getFormats(); | |
| for (AudioFormat format : formats) { | |
| System.out.println(indent + "\tFormat: " + format); | |
| } | |
| numDumped++; | |
| } else if (info instanceof Port.Info) { | |
| System.out.println(indent + "Port: " + info); | |
| numDumped++; | |
| } else { | |
| System.out.println(indent + "Other: " + info.toString()); | |
| } | |
| } | |
| } | |
| if (numDumped == 0) { | |
| System.out.println(indent + "none"); | |
| } | |
| } | |
| private static void dumpMixers() { | |
| Mixer.Info[] mixerInfo = AudioSystem.getMixerInfo(); | |
| for (int i = 0; i < mixerInfo.length; i++) { | |
| Mixer mixer = AudioSystem.getMixer(mixerInfo[i]); | |
| System.out.println("\nMixer[" + i + "]:\t\"" | |
| + mixerInfo[i].getName() + '\"'); | |
| System.out.println(" Description:\t" | |
| + mixerInfo[i].getDescription()); | |
| System.out.println(" SourceLineInfo (e.g. speakers):"); | |
| dumpLineInfo(" ", mixer.getSourceLineInfo()); | |
| System.out.println(" TargetLineInfo (e.g. microphones):"); | |
| dumpLineInfo(" ", mixer.getTargetLineInfo()); | |
| } | |
| } | |
| private static void simpleMixerInfo() { | |
| for (Mixer.Info mixer : AudioSystem.getMixerInfo()) { | |
| System.out.println(String.format("\nMixer:\t %s \tDescription: %s", | |
| mixer.getName(), | |
| mixer.getDescription() | |
| )); | |
| Mixer m = AudioSystem.getMixer(mixer); | |
| System.out.println(" Source lines: " + Arrays.asList(m.getSourceLineInfo())); | |
| System.out.println(" Target lines: " + Arrays.asList(m.getTargetLineInfo())); | |
| } | |
| } | |
| } |
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