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 Zylesea
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Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 0:45:43
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| Some time ago there was some excitement about a video demonstrating fluent 1080p video replay on the 8610. But now the good old 744x strikes back and was demonstrated last weekend in Bad Bramstedt to be also capable of fluent 1080p h.264 video replay. Other than the 8610 maschine, this old g4 was powered by a real OS  - MorphOS.
I think that's kind of impressive. Last edited by Zylesea on 05-Nov-2008 at 12:48 AM.
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Hans
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 1:22:12
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Elite Member
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| @Zylesea
That is impressive. Did they say if the decoding was done all on the CPU? I ask this because my 1.6GHz Turion 64 can't decode H.264 AVC streams (i.e., BluRay) fluently. To play it properly I have to deinsterlace and transcode to DIVX first.
Also, what software did they use for decoding? MPlayer? Or something else? More details please.
Hans
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Hammer
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 7:37:33
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| @Zylesea
What profile used for h.264? What decoder did you use i.e. CoreAVC, Cyberlink, WinDVD?
To improve performance with reduced quality, ffmpeg decoder(Linux) has options to disable in-loop filters. Last edited by Hammer on 05-Nov-2008 at 07:46 AM.
Last edited by Hammer on 05-Nov-2008 at 07:42 AM.
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Hammer
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 8:07:58
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Zylesea
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 8:49:04
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| @Hammer
Not in direct reference I guesss, but *I* was thinking of that thread (and some other on morphzone.org IIRC, too).
Unfortunately I don't know the exact details, since I haven't been at that meeting. Bigfoot demoed MorphOS on the Mac Mini and showed "fluent 1080p h.264 video replay" using MPlayer.
Nevertheless it shows impressively the power of Altivec and of optimized code (Fab did some work on MPlayer). _________________
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Crumb
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 9:35:05
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| @Zylesea
Wow! Impressive 
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Hammer
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 10:30:30
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| Quote:
Hans wrote:
@Zylesea
That is impressive. Did they say if the decoding was done all on the CPU? I ask this because my 1.6GHz Turion 64 can't decode H.264 AVC streams (i.e., BluRay) fluently. To play it properly I have to deinsterlace and transcode to DIVX first.
Also, what software did they use for decoding? MPlayer? Or something else? More details please.
Hans
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With most Blu-Ray titles, the decoder must take into account of Advanced Access Content System (AACS).
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Hammer
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 10:36:22
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| @Zylesea
Tri-core PPE @3.2Ghz (with 1.6Ghz L2 cache) Xenon was max'ed** out while playing HD-DVD title. **With some tasks offloaded to the GPU. Last edited by Hammer on 05-Nov-2008 at 10:38 AM.
Last edited by Hammer on 05-Nov-2008 at 10:37 AM.
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Hammer
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 11:42:45
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| @Hans
Quote:
Hans wrote:
@Zylesea
That is impressive. Did they say if the decoding was done all on the CPU? I ask this because my 1.6GHz Turion 64 can't decode H.264 AVC streams (i.e., BluRay) fluently. To play it properly I have to deinsterlace and transcode to DIVX first.
Also, what software did they use for decoding? MPlayer? Or something else? More details please.
Hans
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For X86 H.264, refer to http://labs.divx.com/node/6443
DIVX H.264 beta vs CoreAVC vs FFDShow-tryouts _________________
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AmiDelf2
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 14:16:03
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| Hello!...
On Monday 10th of November, next Amitopia TV release will happen. It will be a 40min show with focus on Amiga Meeting 2008 and Colmar, with specials released on YouTube later on.
I need a server where I can store Amitopia TV episodes, so if someone wants to help out?
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Hans
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Re: Fluent 1080p h.264 video on MorphOS' powered Mac Mini
Posted on 5-Nov-2008 14:22:56
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| @Hammer
The H.264 AVC files were off a video camera, so no AACS. I have CoreAVC and my 1.6 GHz machine is just not fast enough. They say that you need a dual-core machine.
Hans
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