Unfortunately for DivX, it didn't take long for hardware makers to realize that limiting themselves to only playing DivX was counter-productive, so they soon started making their hardware able to play many more media files, and now, newer hardware (Samsung, for example) won't play media files with the DivX codec in the file header. These players would play DivX files, but not any other mpeg-4 files. ![]() WMV (Windows Media Video) is a totally different animal, and isn't related at all to mpeg-4 and DivX.īecause DivX is a for-profit enterprise, they started out getting hardware manufacturers to integrate the DivX software into their hardware (primarily DVD players), with their logo and the words "DivX Certified" prominently displayed. The MP4 files you are capturing from YouTube are most likely H.264 format. The mpeg-4 standard encompasses both DivX and Xvid, along with Nero Digital and QuickTime 6, and including H.264, used for HD video such as DivX HD, Nero Digital AVC and QuickTime 7. Both of them can use the AVI container file format. In contrast, Xvid (yes, it's DivX spelled backwards) is a completely free codec, usable on a much wider array of systems. You remark that avi produces larger files than mpg perplexes me, as mpg (mpeg-1 or mpeg-2) uses far less compression than mpeg-4, so the mpg option should produce by far the largest files.ĭivX is itself an mpeg-4 codec, proprietary to DivX, LLC.
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