/***************************************************************************
 *                       Android命令行播放MP3音乐
 * 说明：
 *     有时候我们会遇到Touch不能使用，也没有鼠标，但是我们要在Android上测试
 * 声卡情况，所以我们会想到在adb或者debug终端上使用命令行来播放声音。
 *
 *                                       2016-5-26 深圳 南山平山村 曾剑锋
 **************************************************************************/

一、参考文章：
    1. How to play one audio file in android using adb command?
        http://***.com/questions/30437599/how-to-play-one-audio-file-in-android-using-adb-command
    2. How can I play a mp3 file via adb commnad with google play musc on android kitkat 4.4.4?
        http://***.com/questions/25083848/how-can-i-play-a-mp3-file-via-adb-commnad-with-google-play-musc-on-android-kitka

二、stagefright help:
    root@android:/sdcard/Music # stagefright -h                                
    usage: stagefright
           -h(elp)
           -a(udio)
           -n repetitions
           -l(ist) components
           -m max-number-of-frames-to-decode in each pass
           -b bug to reproduce
           -p(rofiles) dump decoder profiles supported
           -t(humbnail) extract video thumbnail or album art
           -s(oftware) prefer software codec
           -r(hardware) force to use hardware codec
           -o playback audio
           -w(rite) filename (write to .mp4 file)
           -k seek test
           -x display a histogram of decoding times/fps (video only)
           -S allocate buffers from a surface
           -T allocate buffers from a surface texture
           -d(ump) filename (raw stream data to a file)
           -D(ump) filename (decoded PCM data to a file)
    root@android:/sdcard/Music # 

三、stagefright示例：
    root@android:/sdcard/Music # stagefright -a -o ferry.mp3