JAVE 音频、视频转换工具(转) -

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JAVE 音频、视频转换工具(转)

JAVE（Java Audio Video Encoder），是一款将音频和视频在不同格式间进行转化的工具，是基于ffmpeg项目的Java封装。
JAVE，需要J2SE 1.4+、Windows 或 Linux 操作系统均可运行。

JAVE支持的编码和解码格式见下表：

Decoding  
Formato         Descrizione  
4xm         4X Technologies format  
MTV         MTV format  
RoQ         Id RoQ format  
aac         ADTS AAC  
ac3         raw ac3  
aiff            Audio IFF  
alaw        pcm A law format  
amr     3gpp amr file format  
apc     CRYO APC format  
ape     Monkey's Audio  
asf     asf format  
au      SUN AU Format  
avi     avi format  
avs     AVISynth  
bethsoftvid     Bethesda Softworks 'Daggerfall' VID format  
c93     Interplay C93  
daud        D-Cinema audio format  
dsicin      Delphine Software International CIN format  
dts     raw dts  
dv      DV video format  
dxa     dxa  
ea      Electronic Arts Multimedia Format  
ea_cdata        Electronic Arts cdata  
ffm     ffm format  
film_cpk        Sega FILM/CPK format  
flac        raw flac  
flic        FLI/FLC/FLX animation format  
flv     flv format  
gif     GIF Animation  
gxf     GXF format  
h261        raw h261  
h263        raw h263  
h264        raw H264 video format  
idcin       Id CIN format  
image2      image2 sequence  
image2pipe      piped image2 sequence  
ingenient       Ingenient MJPEG  
ipmovie     Interplay MVE format  
libnut      nut format  
m4v     raw MPEG4 video format  
matroska        Matroska File Format  
mjpeg       MJPEG video  
mm      American Laser Games MM format  
mmf     mmf format  
mov,mp4,m4a,3gp,3g2,mj2     QuickTime/MPEG4/Motion JPEG 2000 format  
mp3     MPEG audio layer 3  
mpc     musepack  
mpc8        musepack8  
mpeg        MPEG1 System format  
mpegts      MPEG2 transport stream format  
mpegtsraw       MPEG2 raw transport stream format  
mpegvideo       MPEG video  
mulaw       pcm mu law format  
mxf     MXF format  
nsv     NullSoft Video format  
nut     nut format  
nuv     NuppelVideo format  
ogg     Ogg format  
psxstr      Sony Playstation STR format  
rawvideo        raw video format  
redir       Redirector format  
rm      rm format  
rtsp        RTSP input format  
s16be       pcm signed 16 bit big endian format  
s16le       pcm signed 16 bit little endian format  
s8      pcm signed 8 bit format  
sdp     SDP  
shn     raw shorten  
siff        Beam Software SIFF  
smk     Smacker Video  
sol     Sierra SOL Format  
swf     Flash format  
thp     THP  
tiertexseq      Tiertex Limited SEQ format  
tta     true-audio  
txd     txd format  
u16be       pcm unsigned 16 bit big endian format  
u16le       pcm unsigned 16 bit little endian format  
u8      pcm unsigned 8 bit format  
vc1     raw vc1  
vmd     Sierra VMD format  
voc     Creative Voice File format  
wav     wav format  
wc3movie        Wing Commander III movie format  
wsaud       Westwood Studios audio format  
wsvqa       Westwood Studios VQA format  
wv      WavPack  
yuv4mpegpipe        YUV4MPEG pipe format  
   
Encoding  
  
Formato     Descrizione  
3g2     3gp2 format  
3gp     3gp format  
RoQ     Id RoQ format  
ac3     raw ac3  
adts        ADTS AAC  
aiff        Audio IFF  
alaw        pcm A law format  
amr     3gpp amr file format  
asf     asf format  
asf_stream      asf format  
au      SUN AU Format  
avi     avi format  
crc     crc testing format  
dv      DV video format  
dvd     MPEG2 PS format (DVD VOB)  
ffm     ffm format  
flac        raw flac  
flv     flv format  
framecrc        framecrc testing format  
gif     GIF Animation  
gxf     GXF format  
h261        raw h261  
h263        raw h263  
h264        raw H264 video format  
image2      image2 sequence  
image2pipe      piped image2 sequence  
libnut      nut format  
m4v     raw MPEG4 video format  
matroska        Matroska File Format  
mjpeg       MJPEG video  
mmf     mmf format  
mov     mov format  
mp2     MPEG audio layer 2  
mp3     MPEG audio layer 3  
mp4     mp4 format  
mpeg        MPEG1 System format  
mpeg1video      MPEG video  
mpeg2video      MPEG2 video  
mpegts      MPEG2 transport stream format  
mpjpeg      Mime multipart JPEG format  
mulaw       pcm mu law format  
null        null video format  
nut     nut format  
ogg     Ogg format  
psp     psp mp4 format  
rawvideo        raw video format  
rm      rm format  
rtp     RTP output format  
s16be       pcm signed 16 bit big endian format  
s16le       pcm signed 16 bit little endian format  
s8      pcm signed 8 bit format  
svcd        MPEG2 PS format (VOB)  
swf     Flash format  
u16be       pcm unsigned 16 bit big endian format  
u16le       pcm unsigned 16 bit little endian format  
u8      pcm unsigned 8 bit format  
vcd     MPEG1 System format (VCD)  
vob     MPEG2 PS format (VOB)  
voc     Creative Voice File format  
wav     wav format  
yuv4mpegpipe        YUV4MPEG pipe format

JAVE的使用非常简便，将包jave-1.0.jar导入工程路径即可。下面给出一段将AVI转换成FLV的代码片段：

File source = new File("source.avi");    
File target = new File("target.flv");    
AudioAttributes audio = new AudioAttributes();    
audio.setCodec("libmp3lame");    
audio.setBitRate(new Integer(64000));    
audio.setChannels(new Integer(1));    
audio.setSamplingRate(new Integer(22050));    
VideoAttributes video = new VideoAttributes();    
video.setCodec("flv");    
video.setBitRate(new Integer(160000));    
video.setFrameRate(new Integer(15));    
video.setSize(new VideoSize(400, 300));    
EncodingAttributes attrs = new EncodingAttributes();    
attrs.setFormat("flv");    
attrs.setAudioAttributes(audio);    
attrs.setVideoAttributes(video);    
Encoder encoder = new Encoder();    
encoder.encode(source, target, attrs);

细心看这段代码，不难找到其中可以设置压缩码率、分辨率、音频解码率等参数，非常的简便。
JAVE工程网站：http://www.sauronsoftware.it/projects/jave/index.php
截至目前此项目最新版本是v1.0.2

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