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21st September 2009, 11:24 | #1 | Link |
Swallowed in the Sea
Join Date: Oct 2002
Location: Aix-en-Provence, France
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x264 devices settings
Ok,
This thread is a new start to sum up all informations about devices settings for x264. If you have some extra infos, please share them. Hence, we can have a better spot and optimize our presets... Spreadsheet is available here. Not complete yet. I'll update as soon as I can. Comments & discussion are welcome. Last edited by Kurtnoise; 21st September 2009 at 11:27. |
21st September 2009, 11:59 | #2 | Link |
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The iPhone and the Apple TV does not support high profile (8x8dct = no)
The Archos 605 supports CABAC, and at least 3 b-frames, all partitions. Maximum resolution is 720x576 The Archos 5 supports CABAC, 5 b-frames, 8 ref frame, all partition, and b-pyramid. Maximum resolution is 720x576 The Archos 5 Android can have a much higher VBV. I would estimate at least 10000 for 1280x720 (max resolution). The level tag doesn't matter for Archos units, it will play all levels, including 5.1. Preliminary test shows it supports at least 3 b and ref frames, all partition, and b-pyramid. I'll do a much more thorough test when I get the unit. The PSP can support 16 b-frames, but only 3 ref frames. No b-pyramid. Why is trellis in there? It doesn't affect decoding... Last edited by Chengbin; 21st September 2009 at 12:16. Reason: Forgot to write no b-pyramid for PSP, add level info for devices |
21st September 2009, 12:05 | #5 | Link |
x264 developer
Join Date: Sep 2005
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3GS plays High L4.1, but only if you bypass iTunes.
Apple TV plays High Profile just fine. Also, every piece of information involving b-pyramid is inherently wrong because b-pyramid is going to be completely overhauled anyways. |
21st September 2009, 12:09 | #7 | Link |
Testeur de codecs
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Bluray have really many profil: I will make exhaustive list.
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Le Sagittaire ... ;-) 1- Ateme AVC or x264 2- VP7 or RV10 only for anime 3- XviD, DivX or WMV9 Last edited by Sagittaire; 21st September 2009 at 21:55. |
21st September 2009, 21:54 | #12 | Link |
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@Kurtnoise
The Archos 5's VBV should be 5000, not 10000. Zune HD doesn't support main profile, only baseline + b frames. Also, can you make the spreadsheet a little narrower by removing blank columns? Even on my 22'' monitor I have to scroll sideways. Many of the cells can be smaller too. Last edited by Chengbin; 21st September 2009 at 22:02. |
22nd September 2009, 09:59 | #17 | Link |
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For PSP resolutions:
>=firmware 3.30 - arbitrary resolutions up to 480x272 - also supports 720x480 and 352x480 >=firmware 5.00 - adds support for 640x480 >=firmware 5.50 - support for 720x576 added (though not officially stated) --partitions all supported. Can't remember VBV - I believe Sony has put a restriction on this as there was a hack to raise the maximum bitrate to 16384kbps (but still don't know the VBV params). I think baseline@L2.1 is also supported, but haven't verified. |
22nd September 2009, 11:17 | #19 | Link |
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No, so don't tell x264 to use baseline. Disable the high and main profile features except for B-frames.
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x264 log explained || x264 deblocking how-to preset -> tune -> user set options -> fast first pass -> profile -> level Doom10 - Of course it's better, it's one more. |
1st October 2009, 20:20 | #20 | Link |
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What about the GOP length? It came up in the Blu-ray thread.
Has anyone ever tested longer GOPs on hardware players?
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