WebM是一个由Google资助的项目,目标是构建一个开放的、免著作权费用的视频文件格式。该视频文件格式应能提供高质量的视频压缩以配合HTML5使用。

WebM
WebM logo.svg
扩展名.webm
互联网媒体类型video/webm
audio/webm
开发者Google
初始版本2010年5月19日[1]
格式类型视频文件格式
专门属VP8VP9AV1(视频)
VorbisOpus(音频)
延伸自Matroska子集
自由格式[2]
网站The WebM Project

WebM项目是一个使用BSD许可证开源项目。它采用了On2 Technologies开发的VP8及其后续版本VP9视频编解码器和Xiph.Org基金会开发的VorbisOpus音频编解码器,使用的封装格式则以Matroska格式为基础[2][3][4]

支持编辑

WebM项目是在2010年的Google I/O会议上发布的,之中宣布将会支持WebM的网页浏览器有Mozilla Firefox[5][6]Opera[7][8]Google Chrome[9]。另外微软也宣布,只要在本地安装了VP8编解码器,Internet Explorer 9也能支持WebM文件格式[10][11]。2015年9月,微软宣布Windows 10自带的Edge将支持WebM[12]Safari不支持WebM[13][14][15]

VLC[16][17]Miro[18][19]Moovida[20]等播放器也已宣布会支持。另外,Adobe已宣布Adobe Flash Player将在未来支持VP8,但还没有宣布会支持Vorbis或WebM[1][21]

Android从其2.3版本开始支持WebM格式[22]罗技项目使用WebM做为其视频通信服务的一部分[23]

AMDARM博通等硬件制造商宣布他们有兴趣支持WebM的硬件加速[24][25]Intel也考虑,若WebM能得到大众接受的话,会在其电视芯片上支持WebM的硬件加速[26]高通公司德州仪器也宣布会支持[27][28]

参见编辑

参考文献编辑

  1. ^ 1.0 1.1 Patel, Nilay, Google launches open WebM web video format based on VP8, Engadget, 2010-05-19 [2010-05-20], (原始内容存档于2011-06-04) 
  2. ^ 2.0 2.1 WebM FAQ. 19 May 2010. WebM is an open media file format designed for the web. WebM files consist of video streams compressed with the VP8 video codec and audio streams compressed with the Vorbis audio codec. The WebM file structure is based on the Matroska media container. 
  3. ^ Doig, Jeremy; Jazayeri, Mike, Introducing WebM, an open web media project, WebM Project, 19 May 2010 [19 May 2010], (原始内容存档于2012-04-26) 
  4. ^ Montgomery, Chris, Xiph.Org announces support for the WebM open media project, Xiph, 19 May 2010 [20 May 2010], (原始内容存档于2011-02-22) 
  5. ^ Shaver, Mike, Open Web, Open Video and WebM, Mozilla, 2010-05-19 [2010-05-20], (原始内容存档于2011-05-11) 
  6. ^ Blizzard, Christopher, Firefox, YouTube and WebM, Mozilla, 2010-05-19 [2010-06-12], (原始内容存档于2011-01-31) 
  7. ^ Lie, Håkon Wium, Welcome, WebM <video>!, Opera, 2010-05-19 [2010-06-12], (原始内容存档于2011-03-21) 
  8. ^ Mills, Chris, Opera supports the WebM video format, Opera, 2010-05-19 [2010-05-20], (原始内容存档于2011-04-05) 
  9. ^ Bankoski, Jim, WebM and VP8 land in Chromium, Google, 2010-05-19 [2010-06-12], (原始内容存档于2010-05-21) 
  10. ^ Hachamovitch, Dean, Another Follow-up on HTML5 Video in IE9, Microsoft, 2010-05-19 [2010-05-20], (原始内容存档于2010-05-22) 
  11. ^ WebM for IE9. Google. 2011-03-15 [2011-08-25]. 
  12. ^ Monty Montgomery. Comments on the Alliance for Open Media, or, "Oh Man, What a Day". 2 September 2015 [2015-09-02]. [永久失效链接]
  13. ^ Safari HTML5 Audio and Video Guide: Audio and Video HTML. Safari Developer Library. Apple Inc. December 16, 2010 [March 8, 2011]. Safari on the desktop (Mac OS X and Windows) supports all media supported by the installed version of QuickTime, including any installed third-party codecs. 
  14. ^ Apple – QuickTime – QuickTime Player – Tech Specs. [April 15, 2010]. (原始内容存档于2008-07-24). 
  15. ^ Media formats supported by QuickTime Player in Mac OS X v10.6. Apple Support. Apple Inc. January 28, 2011 [April 1, 2011]. 
  16. ^ Kempf, Jean-Baptiste, Welcome to VLC's Webm page!, VideoLAN, [2010-06-12], (原始内容存档于2010-11-24) 
  17. ^ Kaba, Martin, Download VLC Media Player 1.1.0 with WebM Support, Kabatology, 2010-05-26 [2010-06-12], (原始内容存档于2011-02-06) 
  18. ^ Reville, Nicholas, Miro Video Converter is the first WebM / VP8 converter!, Participatory Culture Foundation, 2010-05-21 [2010-06-12], (原始内容存档于2010-06-06) 
  19. ^ Kaba, Martin, Miro Video Converter 2.0 adds support for open WebM(vp8)video format, Kabatology, 2010-05-21 [2010-06-12], (原始内容存档于2011-07-13) 
  20. ^ Kaba, Martin, Moovida Media Player now supports WebM(VP8)Video format, Kabatology, 2010-05-22 [2010-06-12], (原始内容存档于2011-07-13) 
  21. ^ Rozen, Matt, Flash Player Will Support VP8, Adobe, 2010-05-19 [2010-06-12], (原始内容存档于2011-11-08) 
  22. ^ Android 2.3 Platform Highlights, [2011-03-06], (原始内容存档于2010-12-10) 
  23. ^ Kintz, Eric, Commitment to Open Standards such as VP8 is Critical to Innovation, Logitech, 2010-05-19 [2010-06-12], (原始内容存档于2010-11-24) 
  24. ^ Metz, Cade, Google open sources $124.6m video codec, The Register, 2010-05-19 [2010-06-12], (原始内容存档于2010-12-24) 
  25. ^ Broadcom Accelerates WebM Video on Mobile Phones, Newswire, 2010-05-19 [2010-06-12], (原始内容存档于2011-07-08) 
  26. ^ Shah, Agam, Intel eyes hardware acceleration for Google's WebM, ComputerWorld, 2010-05-27 [2010-06-12], (原始内容存档于2011-02-14) 
  27. ^ Talluri, Raj, Google's Impact on Web Video, Qualcomm, 2010-05-19 [2010-06-12], (原始内容存档于2011-09-27) 
  28. ^ Meehan, Joseph, Our OMAP processors embrace WebM and VP8 with open ARMs, Texas Instruments, 2010-05-19 [2010-06-12], (原始内容存档于2011-05-14) 

外部链接编辑