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fertieg95




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PostWysłany: Śro 14:26, 10 Lis 2010    Temat postu: That is to say

the next generation of Web language HTML5, provides a video label. It allows developers to directly embed the video page, does not require any third-party plug-ins (such as Adobe's Flash) can play.






However, there is a core issue has not been resolved. HTML5 does not require, the browser in the end which should play the video format. Browser manufacturers are free to choose to support the format.
Wait! Apple has announced that Flash had to give up. It's iPad, iPhone and iTouch, does not support any form of Flash. Want to play the video on these devices developer, had to resort to the HTML5 video tag.

Translator: Ruan Yifeng



we may have the opportunity to avoid this outcome.
solution for that?



guess, how would the majority of developers do? They are likely to do nothing! Maintain the status quo is not on the line, allowing users to continue to use Flash watch videos, and what trouble is gone.
second reason. Some of the major large companies, is itself MPEG-LA \They each have a number of H.264 patent, you can make money from the promotion of H.264, Theora's popularity will adversely affect their profits. So, Apple's Safari browser and Microsoft's IE browser not support Theora.
third reason. In one view, Theora video quality generated as H.264. Early Theora 1.0, does not effect; but Theora 1.1 has been proved that the result is not inferior to H.264, particularly in the case of low bit rate. Suspicion of Theora, resulting in the hardware-based Theora decoder is very small. This is a great blow to the Theora. Because H.264 decoder chip can be seen everywhere, every Apple iTouch, iPhone, iPad which has further said that over the past 5 years, world production of almost every camera support H.264 hardware decoding.
Theora's main developer, but also Ogg Vorbis ([Annotation] an open source, patent-free audio compression format) of the developers. Theora is based on developed by On2 Technologies VP3 video format. Beginning of this century, On2 VP3 company will put the public domain. VP3 Theora done a lot to improve on, and in the development process is very careful to avoid committing to any existing patents. Results, we have a free access to anyone, do not worry about patent issues video formats.
This is certainly a big step forward.
last year, Google acquired On2 Technologies, and plans to open source format, On2's VP8. VP8 and the same system of VP3 video format, which means it Theora related. However, VP8 higher than the 5 version of VP3, which means that its effects should be better than Theora. Then we will have a better open source format, which is behind a really big companies (Google) in support. In addition, the world's largest video site Youtube, Google owned all, there is no doubt that it will use VP8. Therefore, with these factors, we may in the coming years, we see the rapid growth of VP8 video formats, Theora, and H.264 put it all behind.
However, H.264 is a proprietary video format. It is an MPEG-LA patent-controlled.





now, the most popular video format is H.264. It has many advantages, the resulting encoded video files smaller, quality is not bad. Blu-ray (Blu-ray) on the use of this format, now almost all HD cameras - whether civil or commercial - are using it. Online video on the Internet, using the proportion of it is on the rise.


such a future, are not worth looking forward to it?

There are several reasons.

However, having said that, over the years, people have been threatening Theora, but one really never prosecuted. May indeed be in part because there is no heavyweight Theora users do not have enough money extortion. However, many people believe there is another reason that these \trouble to come. Because we may no longer pay its royalties, but rather the confidence to use Theora.
MPEG-LA for this promotion policy, and not always the same. The current H.264 free license, will be December 31, 2010 period. Then, from January 1, 2011 onwards, MPEG-LA will not to YouTube, and even embedded H.264 video to the personal website fees? Completely the existence of such possibility. Royalties would it be? Who do not know, the final say by the MPEG-LA. Another possibility is that, MPEG-LA in order to further promote the H.264, the policy continues to remain free, until 2,3 years, it dominate the market, then began to charge. That time, if the majority of companies rely on this format, then they have no choice but to MPEG-LA pay.
However, my prediction is that the future of the Internet, a variety of video formats have a place. Theora will continue to be open-source browser (eg Firefox) support, Apple and Microsoft will continue to promote the H.264, Google will try to use YouTube, VP8. However, Google will be forced to keep the video H.264 and Flash formats, which is to support Apple's devices and the legacy of history does not support HD video equipment.
present in order to promote H.264, MPEG-LA, as long as your video player for free on the Internet, can get free use license. This is why YouTube is free to use MPEG-LA license reasons. Such as Netflix and pay to watch the company to get such concessions had.



That is to say, MPEG-LA is the H.264 and charges are the actual managers. H.264 video support playing any DVD player, Blu-ray player, camcorder or other device, are bound to have a license issued by MPEG-LA.

Now, go back and talk about HTML5 and its video label.
This means that the future of HTML5 page does not exist a common video format. In other words, HTML5 Web developers must be the same video format for the two versions, one is H.264, the other is Theora. However, developers have another choice, is to require users to install third-party plug-ins.

First. No one entity to assume responsibility for Theora patents, the user must own responsibility. Theora will sue if someone infringes certain patents, the user may have to pay their own court. Therefore, there is a wide range of concerns about the industry, and now the reason why no one sued Theora, not these people do not want to prosecute, but to wait until the beginning of a large company after using Theora, there may be high patent damages, they come prosecution. Recently, Apple CEO Steve Jobs, openly expressed this view.
the company responsible for management and H.264-related \The so-called \If you want to use other people H.264, to be the \

open-source browser Firefox and KHTML, not have the resources to buy H.264 license. Therefore, they do not support native H.264 format video, unless the user to install third-party plug-ins. The Microsoft and Apple is not support Theora, only supports H.264.



some people on this situation, worry and resentment. They decided not developed a proprietary video format, the resulting file size is similar with the H.264, but also about quality. This format is called Theora.



You may have heard, HTML5 support direct video. However, you may not know is that behind this involves complex video format war, and even involve all of the electronic imaging equipment. The future, how to watch Internet video? If you want to know the answer, do not miss this excellent article below. I have read so far it is the most clear and understandable explanation.


I think most developers will choose to do a browser \, which can also play the H.264 video format. So, Flash, and H.264 was crowned the winner, Theora and open source software has become losers, this is really a sad result.



sounds very inspired, right? But why people still use H.264, is not abandoning it?
I hope, Google the VP8 into the public domain. In that case, Xiph can use VP8, and make Theora 2.0. Then, Firefox, WebKit and Opera have begun to support Theora 2, YouTube videos began to put it into VP8/Theora 2 compatible format, and Flash will be upgraded to support Theora 2. So,[link widoczny dla zalogowanych], only one Apple, it either supports Theora 2, or only open its own video sharing site because it will not iPhone users to watch Youtube.


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