我有4个音轨同时播放，它们似乎播放得很好。在HTC Desire 1.1ghz
OC上进行测试。我有时会在穿线时遇到小故障。有时，如果所有四个都在播放，则在我尝试加入该线程时不会停止。需要做更多的测试。这是我的课程，用于播放在给定路径下记录的WAV文件
package com.ron.audio.functions;import java.io.BufferedInputStream;import java.io.DataInputStream;import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import android.media.AudioFormat;import android.media.AudioManager;import android.media.AudioTrack;public class AudioPlayManager implements Runnable {private File fileName;private volatile boolean playing;public AudioPlayManager() { super(); setPlaying(false);}public void run(){ // Get the length of the audio stored in the file (16 bit so 2 bytes per short) // and create a short array to store the recorded audio. int musicLength = (int)(fileName.length()/2); short[] music = new short[musicLength]; try { // Create a DataInputStream to read the audio data back from the saved file. InputStream is = new FileInputStream(fileName); BufferedInputStream bis = new BufferedInputStream(is); DataInputStream dis = new DataInputStream(bis); // Read the file into the music array. int i = 0; while (dis.available() > 0) { music[i] = dis.readShort(); i++; } // Close the input streams. dis.close(); // Create a new AudioTrack object using the same parameters as the AudioRecord // object used to create the file. AudioTrack audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, 11025, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, musicLength, AudioTrack.MODE_STREAM); // Start playback audioTrack.play(); // Write the music buffer to the AudioTrack object while(playing){ audioTrack.write(music, 0, musicLength); } } catch(Exception e){ e.printStackTrace(); }}public void setFileName(File fileName) { this.fileName = fileName;}public File getFileName() { return fileName;}public void setPlaying(boolean playing) { this.playing = playing;}public boolean isPlaying() { return playing;}}
