Html WebM 与 Ogg Theora
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WebM vs. Ogg Theora
提问by caleb531
How would one compare Ogg Theora and WebM against the following parameters:-
如何将 Ogg Theora 和 WebM 与以下参数进行比较：-
- Efficiency of compression
- Efficiency of computation
- Issues in Wider adaptability (why wouldn't someone make a hardward chip that does Ogg or WebM transcoding; like it is currently done for H.264)
- Possible/Future intellectual property issues
- Availability in existing devices
- 压缩效率
- 计算效率
- 更广泛的适应性问题（为什么不制造一个可以进行 Ogg 或 WebM 转码的硬件芯片；就像目前为 H.264 所做的那样）
- 可能/未来的知识产权问题
- 在现有设备中的可用性
The reason I ask these questions is because I need to choose between Ogg Theora and WebM format for a software project and I am a FLOSS believer.
我问这些问题的原因是因为我需要在软件项目的 Ogg Theora 和 WebM 格式之间进行选择，而且我是 FLOSS 的信徒。
采纳答案by Groovetrain
Good graph here: http://farukat.es/journal/2011/01/488-google-h264-and-video-web
好图在这里：http: //farukat.es/journal/2011/01/488-google-h264-and-video-web
This is a tough call, but honestly, WebM is probably going to win out in the end considering it's Google's project. Ogg will most likely stay what it is now in it's audio counterpart-- an open standard that is not widely-adopted even though it's superior in some ways.
这是一个艰难的决定，但老实说，考虑到它是 Google 的项目，WebM 最终可能会胜出。Ogg 很可能会保持现在的音频版本——这是一种开放标准，尽管它在某些方面更胜一筹，但并未被广泛采用。
H.264 is Apple's, WebM is Google's. Apple will most likely end up adopting WebM, and Google will most likely continue to pare back H.264 on their devices.
H.264 是 Apple 的，WebM 是 Google 的。苹果很可能最终会采用 WebM，而谷歌很可能会继续削减其设备上的 H.264。
I'd base your decision more on longevity than on video quality, the reason being that the quality isn't that different, and even better quality could end up losing in the end. Remember Betamax?
我会更多地根据寿命而不是视频质量来决定你的决定，原因是质量没有那么不同，甚至更好的质量最终可能会失败。还记得 Betamax 吗？
回答by Srini
We are using an optimized version of Theora for our video-chat appliation, and are very happy with the quality and performance. VP8 seems to have the same quality, but the encoder is slow compared to Theora.
我们正在为我们的视频聊天应用程序使用优化版本的 Theora，并且对质量和性能非常满意。VP8 好像质量一样，但是编码器比 Theora 慢。
