Linked by Thom Holwerda on Mon 2nd Nov 2009 23:59 UTC
Windows 7 has been out and about for little over a week now, and as it turns out, Microsoft's new baby is doing relatively well. That is, according to the figures by NetApplications: Windows 7 already reached the 3% mark this weekend, and is already closing in on the 4% mark.
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I've noticed HD video is ridiculously slow in VLC. How does Windows decode it faster?
Old school windows has an 'overlay buffer' to which writes can be handled directly on the video card - you map a section of video memory to your desired render dimensions and then output directly to it to show the content. Removes the need for an extra blt operation.
New, most codecs can render to directX. Windows codecs are also written to take advantage of MPEG2 hardware and even MPEG4 hardware acceleration if present.
Linux does not. Hell, netbooks running XP could handle HD video if they had something marginally better than a GMA950 and some hardware MPEG assist.
Hell, imagine a netbook with a ATI HD video - it's CALLED a HD for a reason, the inclusion of HD video decompression assistance... Something linux video software doesn't even recognize/use.
Which is also why VLC SUCKS on windows because even there it's doing everything 'the hard way' on the CPU - while even piddly little 'Media Player Classic' uses the OS specific codecs and even allows you to select your render targets. "old renderer" (aka WinG), Overlay Mixer, VMR7, VMR9, Haali, EVR... Pick whichever works best and provides the features you need.
Member since:
2005-07-12
Old school windows has an 'overlay buffer' to which writes can be handled directly on the video card - you map a section of video memory to your desired render dimensions and then output directly to it to show the content. Removes the need for an extra blt operation.
New, most codecs can render to directX. Windows codecs are also written to take advantage of MPEG2 hardware and even MPEG4 hardware acceleration if present.
Linux does not. Hell, netbooks running XP could handle HD video if they had something marginally better than a GMA950 and some hardware MPEG assist.
Hell, imagine a netbook with a ATI HD video - it's CALLED a HD for a reason, the inclusion of HD video decompression assistance... Something linux video software doesn't even recognize/use.
Which is also why VLC SUCKS on windows because even there it's doing everything 'the hard way' on the CPU - while even piddly little 'Media Player Classic' uses the OS specific codecs and even allows you to select your render targets. "old renderer" (aka WinG), Overlay Mixer, VMR7, VMR9, Haali, EVR... Pick whichever works best and provides the features you need.
While VLC can't even manage vsync.