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May 20, 2008

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aigo MID video (HD WMV) playback

(由微腦狂人於12年零2個月之前發表)

aigo MID video (HD WMV) playback

Silverthorn based Intel Atom Z500 theoretically may give adequent preformance playing HD video. aigo MID using Intel Atom Z500 should have the ability offering us this entertainmain!

As suggested by our friend Chippy from UMPCPortal, we are using Terminator 2 (both 720p and 1080p) to test the HD WMV video back on aigo MID. At the same time, the famous video format in Hong Kong is rmvb and hence I will also test it.

Due to some technique problem, we could only boot the Midinux with a USB thumb drive, which may have a little bit affect on the performance.

Let have the video playback on the Midinux OS.



After seeing the movie, I think Chippy may be disappointed. The two HD WMV T2 trailer barely can play smoothly and almost played slow motion all the time. Moreover, the sound cannot come out. This is unexpected and disappointing who are waiting this new processor!

[21/05/2008 Update: I just have a few email communication to aigo Technical Staff in Beijing, he mentioned there is no hardware acceleration on the Video Player under this pre-launched Midinux version. That means hardware acceleration on WMV that Poulsbo guaranteed does not apply in this test~~ Poor!! Thanks Daler for this information.]

Interestingly, when we switched into Windows XP OS, there is something unexpected result! Although there is no video and audio driver on XP side, the video playback gives different result from the Midinux side! Let have a look first.



Awesome! The 720p HD video played quite smoothly, and there is only a little bit slow in motion on 1080p HD video. When we turned on the Windows Task Manager, we could discover that the CPU loading almost 100% in both 720p & 1080p. Why could HD video gave acceptable performance on XP side but worse in Midinux side? Does it because there is no audio driver, so that no resource was being used by the video?
We have an experence before, video players will affect video playback performance. Maybe it is one of the reason. Or does the usb boot affected the Midinux performance? (but we have checked that once the application loaded in ram, there is not necessary to load the USB drive during video playback!)
I think the most possible reason is due to this Midinux version does not contain all the driver for Intel Centrino Atom so that give even worse result!

No matter how, the lucky thing is that Intel Atom Z500 runs fairly ok in Windows XP environment!

It is noted that the rmvb file (320x240, 400kbps) runs smoothly in both OS!



Update - Other related reviews:
aigo 超輕便 MID 第一篇 - 簡介篇
aigo 超輕便 MID 第二篇 - 外型篇
Hands-on with aigo MID by UMPCFever
Youtube and Cool Image Video Demo on aigo MID
MacBook Air Parody (Two Endings)
MacBook Air Parody (Final Endings)
aigo MID video (HD WMV) playback
Audio Blog #11 - aigo MID 市場業務主任專訪



相關文章
• Update : aigo MID video (HD WMV) playback
• aigo MID video (HD WMV) playback





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