Java-播放WAV音频

刺骨的言语ヽ痛彻心扉 2024-02-17 20:21 70阅读 0赞

public class Test {
        
    
        /**
         * @param args
         */
        public static void main(String[] args) {
            // TODO Auto-generated method stub
            AePlayWave apw=new AePlayWave("aaa.wav");
            apw.start();
        }
    
    }
    
    class AePlayWave extends Thread {
    
        private String filename;
        public AePlayWave(String wavfile) {
            filename = wavfile;
    
        }
    
        public void run() {
    
            File soundFile = new File(filename);
    
            // 获取音频输入流
            AudioInputStream audioInputStream = null;
            try {
                audioInputStream = AudioSystem.getAudioInputStream(soundFile);
            } catch (Exception e1) {
                e1.printStackTrace();
                return;
            }
            // 获取音频编码对象
            AudioFormat format = audioInputStream.getFormat();
            // 设置数据输入
            SourceDataLine auline = null;
            DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
    
            try {
                auline = (SourceDataLine) AudioSystem.getLine(info);
                auline.open(format);
            } catch (Exception e) {
                e.printStackTrace();
                return;
            }
    
            auline.start();
          /*
           * 从输入流中读取数据发送到混音器
           */
            int nBytesRead = 0;
            byte[] abData = new byte[512];
    
            try {
                while (nBytesRead != -1) {
                    nBytesRead = audioInputStream.read(abData, 0, abData.length);
                    if (nBytesRead >= 0)
                        auline.write(abData, 0, nBytesRead);
                }
            } catch (IOException e) {
                e.printStackTrace();
                return;
            } finally {
                // 清空数据缓冲,并关闭输入
                auline.drain();
                auline.close();
            }
        }
    }