My expensive MacPro is too slow to playback 1080p video encoded by a camcorder in H264 while small Popcorn Hour with Sigma chip can play it back flawlessly. Is there a way to get hardware accelerator for H264 video playback for MacPro ?
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H264 accelerator for Mac Pro ?
- Thread starter nycaleksey
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I encode 1080p H264 and play it back fine on my MacPro (4,1 2.26 octo) all the time.
However, if you're trying to QuickLook it, you can't just click through the preview bar and expect it to play back smoothly or instantly. The trick is to hold the mouse down at a certain segment for a second or two until it gets the nearest keyframe to decode smoothly.
If that isn't your problem, then sorry, I'm of no help, but I would also love an H.264 encoder card for my machine.
However, if you're trying to QuickLook it, you can't just click through the preview bar and expect it to play back smoothly or instantly. The trick is to hold the mouse down at a certain segment for a second or two until it gets the nearest keyframe to decode smoothly.
If that isn't your problem, then sorry, I'm of no help, but I would also love an H.264 encoder card for my machine.
Hardware acceleration depends on the software you are using to playback the files.
VLC does NOT support hardware acceleration, hence it does not play 1080p files without stuttering.
Try QuickTime X, it get's all the hardware acceleration from the graphics card and plays 1080p files flawlessly.
VLC does NOT support hardware acceleration, hence it does not play 1080p files without stuttering.
Try QuickTime X, it get's all the hardware acceleration from the graphics card and plays 1080p files flawlessly.
Something must be wrong with your machine. I have no problems with playback on my Mac Pro in any programs.