Intel Graphics Media Accelerator Gma 950 Driver For Mac
Hello, Download Driver for Intel Graphics Media Accelerator 950 Max.
I was wondering how the video playback of 1080p and 720p files compares between the x3100 and the gma950. I have a 2.16 mb with gma 950 and it seems to stutter a bit on some 1080p files. However i noticed that it seems to favour 1 core or the oother when playing back mkv files on vlc, while the 720p files seem fine. Will the new macbooks play 1080p files? It would seem there is adequate processor powerso maybe its a limitaion of the video card. Does anyone have any luck playing 1080p files on the older 950 hardware?
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Click to expand.Thats definitely true for OS X. Unlike Windows, video playback in OS X is done entirely by the CPU. It doesn't matter if you have a MacBook, Mac mini, Mac Pro, MacBook Pro, iMac, or MacBook Air. OS X does not take advantage of GPU features for video playback. I have the same MacBook as the OP. It's played every video I have thrown at it. CPU use has been unnecessarily high compared to my HP, and the video doesn't look as good as the HP, but the system certainly has the horsepower to play any video currently out there.
This is one area where OS X is far behind Windows. Windows, especially Vista, paired with a modern GPU will offload nearly all of the video work to the GPU. Epson drivers for mac. My HP has a C2D 2GHz (Santa Rosa) and a GeForce 8400M GS.
My MacBook is the 'mid-2007' model with the 2.16GHz C2D and the Intel GMA950. A 720p H.264 video on my HP will peak at 5% CPU use (one core) and look much better compared to the MacBook thanks to the GPU's hardware color correction, scaling, deblocking, etc. The same video on the Mac will eat up between 50-60% of one core and not even look half as good as it does on the HP. DVDs look better on the HP too. CPU use hovers around 2% (even decoding DTS!) and it looks 100x better than the MacBook (especially DVD Player in Tiger!). DVD playback in OS X hovers around 30% of one core.
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Not starting a flame war. Just stating the obvious that Apple needs to put dedicated GPUs in the MacBooks and bring this aspect of OS X into the modern world as well.
Click to expand.You're not comparing like with like. A fairer test would be for you to playback the same video in Windows on your MacBook. Also the 8400M GS is a much better GPU than the GMA950 and even the X3100. For sometime now, Nvidia cards (even my 7300) have had H.264 hardware acceleration. The GMA950 doesn't have this capability. So it's completely normal for your MacBook's CPU to be doing all the heavy lifting when playing back H.264 content.
Also, it doesn't really have anything to do with the OS (at least on the Windows side of things). It's not Vista that offloads the video to the GPU, it's NVidia's driver.
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Without PureVideo support in the NVidia driver, there's not going to be any decoding work offloaded to the GPU. So it's not so much OS X is worse than Vista/XP in respect to HD playback but rather Apple's hardware isn't as good as HP's. Although I'd be very interested to see some benchmarks relating to HD playback performance on equivalent Windows and Mac machines. Click to expand.That's not necessarily true.
If it is encoded in MPEG-2 (DVDs and some Blu-Ray/HD-DVD movies) it would be, but not for MPEG-4 H.264 (the format of choice for the ATV and most Blu-Ray/HD-DVD titles). You also have to consider the bit rate as well. VLC, Quicktime and Front Row do not utilize multicore processors very well. XBMC does so extremely well. I can play 10 mbps 1080 video (24fps) on a 1.66 gHz Core Duo Mac Mini with its GMA950 without any stuttering at all.
