![]() ContainerAs there was no official MPEG-4 Container until after the development of MPEG-4 AVC (H.264), early MPEG-4 hobbyists found that Microsoft's AVI container could be used to hold MPEG-4 video and MP3 audio. As both codecs matured more companies took notice and a number of MPEG-4 ASP encoders are being sold. Other developers decided to continue open source development, and went on to create XviD. Their DivX codec was largely responsible for early consumer interest in MPEG-4. Development of OpenDivX would end when the original developers decided to create a commercial encoder, and formed DivXNetworks. Project MayoThe availability of the Microsoft source code generated enough developer interest to start Project Mayo, also called OpenDivX. The code was distributed as DivX -) 3.11 Alpha. MPEG-4 ASP HistoryBeing originally designed primarily around commercial Streaming uses like video conferencing, MPEG-4 didn't get a lot of attention from the public until the leak of some Microsoft code for a new WMV (Windows Media Video) compression format based primarily on MPEG-4 Part 2, which includes ASP among its 21 profiles. In other words, a DivX decoder should have no problems playing XviD video. Being a standard, rather than a specific Codec, any decoder certified to playback MPEG-4 ASP can play standards compliant video encoded with any tool. ![]() The most common implementations of MPEG-4 ASP are probably DivX and XviD, although a number of other codecs are also available. ![]() MPEG-4 ASP, or Active Simple Profile, is a video Compression standard defined in MPEG-4 Part 2. ![]()
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