HTML 5 video 格式转换 ogg webm

http://www.w3.org/TR/html5/video.html#the-source-element

html5 video编码工具：Avidemux、megui、XMedia Recode、ffmpeg、Miro Video Converter

html5 video视频调用软字幕：

http://www.mozilla.com/zh-CN/firefox/4.0b4/whatsnew/

http://www.annodex.net/~silvia/itext/elephant_with_skin.html

几种编码的视频：

mp4：Chrome、IE 9、IE with chrome frame

ogv：Chrome、Firefox

webm：Chrome、Firefox 4

制作webm

ffmpeg.exe -y -i "C:\Users\user1\Videos\169_ruse_announcement_trailer_mul_033109_hr.mp4" -f webm -vcodec libvpx -acodec libvorbis -vb 1600000 "C:\Users\user1\Videos\169_ruse_announcement_trailer_mul_033109_hr.webmvp8.webm"

制作ogv

ffmpeg2theora.exe -V 4000 -A 128 "C:\Users\user1\Videos\169_ruse_announcement_trailer_mul_033109_hr.mp4" -o "C:\Users\user1\Videos\169_ruse_announcement_trailer_mul_033109_hr.ogv"

合并ogv：

ffmpeg -i "D:\Users\user1\Videos\fraps\4.ogg" -i "D:\Users\user1\Videos\fraps\4.ogv" -acodec copy -vcodec copy "D:\Users\user1\Videos\fraps\4_mixed.ogg"

HTML代码：

<! DOCTYPE html > < html lang ="zh-Hans" > < head > < meta http-equiv ="X-UA-Compatible" content ="chrome=1" /> < title > test </ title > < meta charset ="utf-8" > </ head > < body > < video controls ="controls" autoplay ="autoplay" > < source src ="http://movie.doubanxia.com/html5_video_demo.mp4" type ="video/mp4" > </ video > < video controls ="controls" > < source src ="http://movie.doubanxia.com/html5_video_demo.ogv" type ="video/ogg" > </ video > < video controls ="controls" > < source src ="http://movie.doubanxia.com/html5_video_demo.webm" type ="video/webm" > </ video > </ body > </ html >

转载于:https://www.cnblogs.com/sink_cup/archive/2010/06/23/html5_video_converter_ogg_webm_vp8_mkv.html