我試圖用MediaPlayer播放音頻文件。我想在MediaPlayer中播放字節數組。我怎樣才能做到這一點?我查過this在MediaPlayer中播放字節數組 - Android
public void writeSamples(byte[] samples, int length)
{
// track.write(samples, 0, length);
File tempMp3;
try {
tempMp3 = File.createTempFile("kurchina", ".mp3");
tempMp3.deleteOnExit();
FileOutputStream fos = new FileOutputStream(tempMp3);
fos.write(samples);
fos.close();
// Tried reusing instance of media player
// but that resulted in system crashes...
MediaPlayer mediaPlayer = new MediaPlayer();
// Tried passing path directly, but kept getting
// "Prepare failed.: status=0x1"
// so using file descriptor instead
FileInputStream fis = new FileInputStream(tempMp3);
mediaPlayer.setDataSource(fis.getFD());
mediaPlayer.prepare();
mediaPlayer.start();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
但它沒有播放音頻。它只是在SD卡中生成許多文件。並給這個錯誤:
06-06 11:02:59.191: E/MediaPlayer(1831): Unable to to create media player
06-06 11:02:59.191: W/System.err(1831): java.io.IOException: setDataSourceFD failed.: status=0x80000000
06-06 11:02:59.201: W/System.err(1831): at android.media.MediaPlayer.setDataSource(Native Method)
06-06 11:02:59.201: W/System.err(1831): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:749)
06-06 11:02:59.201: W/System.err(1831): at org.vinuxproject.sonic.SonicTest$1.run(SonicTest.java:178)
06-06 11:02:59.201: W/System.err(1831): at java.lang.Thread.run(Thread.java:1096)
請幫助我。任何形式的幫助表示讚賞。
謝謝
添加您的代碼片段在這裏,有人將能夠提供幫助。 –
我建議嘗試setDataSource變體,除FD外還需要一個偏移量和長度。生成的mp3文件是否在音樂應用程序中播放?另外,deleteOnExit在Android/Dalvik中沒有用處。 – dagalpin
沒有文件不在我的應用程序中播放。請幫助我 –