JAVE (Java Audio Video Encoder) 类库是一个 ffmpeg
项目的 Java 语言封装。开发人员可以使用JAVE 在不同的格式间转换视频和音频。例如将 AVI 转成 MPEG 动画,等等 ffmpeg 中可以完成的在 JAVE 都有对应的方法。
Examples
From a generic AVI to a youtube-like FLV movie, with an embedded MP3 audio stream:
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);
Next lines extracts audio informations from an AVI and store them in a plain WAV file:
File source = new File("source.avi");
File target = new File("target.wav");
AudioAttributes audio = new AudioAttributes();
audio.setCodec("pcm_s16le");
EncodingAttributes attrs = new EncodingAttributes();
attrs.setFormat("wav");
attrs.setAudioAttributes(audio);
Encoder encoder = new Encoder();
encoder.encode(source, target, attrs);
Next example takes an audio WAV file and generates a 128 kbit/s, stereo, 44100 Hz MP3 file:
File source = new File("source.wav");
File target = new File("target.mp3");
AudioAttributes audio = new AudioAttributes();
audio.setCodec("libmp3lame");
audio.setBitRate(new Integer(128000));
audio.setChannels(new Integer(2));
audio.setSamplingRate(new Integer(44100));
EncodingAttributes attrs = new EncodingAttributes();
attrs.setFormat("mp3");
attrs.setAudioAttributes(audio);
Encoder encoder = new Encoder();
encoder.encode(source, target, attrs);
Next
one decodes a generic AVI file and creates another one with the same
video stream of the source and a re-encoded low quality MP3 audio
stream:
File source = new File("source.avi");
File target = new File("target.avi");
AudioAttributes audio = new AudioAttributes();
audio.setCodec("libmp3lame");
audio.setBitRate(new Integer(56000));
audio.setChannels(new Integer(1));
audio.setSamplingRate(new Integer(22050));
VideoAttributes video = new VideoAttributes();
video.setCodec(VideoAttributes.DIRECT_STREAM_COPY);
EncodingAttributes attrs = new EncodingAttributes();
attrs.setFormat("avi");
attrs.setAudioAttributes(audio);
attrs.setVideoAttributes(video);
Encoder encoder = new Encoder();
encoder.encode(source, target, attrs);
Next one generates an AVI with MPEG 4/DivX video and OGG Vorbis audio:
File source = new File("source.avi");
File target = new File("target.avi");
AudioAttributes audio = new AudioAttributes();
audio.setCodec("libvorbis");
VideoAttributes video = new VideoAttributes();
video.setCodec("mpeg4");
video.setTag("DIVX");
video.setBitRate(new Integer(160000));
video.setFrameRate(new Integer(30));
EncodingAttributes attrs = new EncodingAttributes();
attrs.setFormat("mpegvideo");
attrs.setAudioAttributes(audio);
attrs.setVideoAttributes(video);
Encoder encoder = new Encoder();
encoder.encode(source, target, attrs);
A smartphone suitable video:
File source = new File("source.avi");
File target = new File("target.3gp");
AudioAttributes audio = new AudioAttributes();
audio.setCodec("libfaac");
audio.setBitRate(new Integer(128000));
audio.setSamplingRate(new Integer(44100));
audio.setChannels(new Integer(2));
VideoAttributes video = new VideoAttributes();
video.setCodec("mpeg4");
video.setBitRate(new Integer(160000));
video.setFrameRate(new Integer(15));
video.setSize(new VideoSize(176, 144));
EncodingAttributes attrs = new EncodingAttributes();
attrs.setFormat("3gp");
attrs.setAudioAttributes(audio);
attrs.setVideoAttributes(video);
Encoder encoder = new Encoder();
encoder.encode(source, target, attrs);
相关推荐
NULL 博文链接:https://tj007-bo.iteye.com/blog/253650
java随记
Java.util包常用接口
c# 随记.docx
NULL 博文链接:https://lobin.iteye.com/blog/2365756
互联网公司实习日记随记参考.pdf互联网公司实习日记随记参考.pdf互联网公司实习日记随记参考.pdf互联网公司实习日记随记参考.pdf互联网公司实习日记随记参考.pdf互联网公司实习日记随记参考.pdf
网络原理随记.pdf
该项目用java开发,用到mysql数据库.百度的富文本编辑器,jQuery等各种热门的技术,能与时代接轨,是一个很不错的java-web项目.能直接运行,基本上每个功能模块都有开发思路记录着,用户能随心随意的发表自己的博客,笔记,...
linux net 管理随记,留着个人备忘
学习c++过程中的一些知识点随记,我感觉重要的就稍微记了一下,比较简略,但是快速的阅读的话可以提醒自己想起那一部分的知识点。在复习c++知识点的时候,有些帮助。
vue的知识点干货,从路由到vuex的知识点干货
JSP PDF打印 随记 复杂模板设计
Unity 随记1
git随记 git
面试随记???随时更新
自己两年半的java学习历程,包括刚开始的什么都不会阶段,到后期的java项目便携遇到的问题,刚还有学习时的个人见解的随记,后来自己也把这份笔记作为自己的java的工具书来使用,与各位java初级coder分享
重点小学生寒假记随记大全.doc
生产不重复19位随机数,测试1000000数据没重复
HL_Letter个人随记
会计事务所毕业实习日记随记.docx