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Old 27th October 2005, 13:52   #21  |  Link
Rafik
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Thanks, now i understand this point.
another question : when MeGUI changes the options of x.264, why it doesn't change in the main x.264 codec configuration et vice versa ? who changes who ?
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Old 27th October 2005, 14:43   #22  |  Link
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"x.264 codec configuration" icon, configures the VFW codec, while MeGUI uses the CLI.
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Old 27th October 2005, 15:00   #23  |  Link
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c'est aussi simple que ça !
Thanks.
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Old 27th October 2005, 16:09   #24  |  Link
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Quote:
For questions, comments and requests ask in this thread.
add if possible level profil ...
HD standalone player become and they use specific profil and level.
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1- Ateme AVC or x264
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Old 27th October 2005, 16:27   #25  |  Link
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MeGUI-x264 still doesnt support levels
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Old 28th October 2005, 16:47   #26  |  Link
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Quote:
Originally Posted by Sharktooth
CE-Baseline: Common settings using baseline profile options (compatible with QuickTime)
quicktime handles main profile!
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MPEG-4 ASP FAQ | AVC/H.264 FAQ | AAC FAQ | MP4 FAQ | MP4Menu stores DVD Menus in MP4 (guide)
Ogg Theora | Ogg Vorbis
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Old 28th October 2005, 18:16   #27  |  Link
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quicktime handles main profile!
yes, it "should"... but some features are broken. baseline will work with no doubts :P
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Old 28th October 2005, 21:26   #28  |  Link
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yes, it "should"... but some features are broken. baseline will work with no doubts :P
which ones are broken?
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MPEG-4 ASP FAQ | AVC/H.264 FAQ | AAC FAQ | MP4 FAQ | MP4Menu stores DVD Menus in MP4 (guide)
Ogg Theora | Ogg Vorbis
use WM9 today and get Micro$oft controlling the A/V market tomorrow for free
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Old 29th October 2005, 11:08   #29  |  Link
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thanks to both aku for the level mapping and sharktooth for taking the initiative and start a MeGUI profile selection
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Old 29th October 2005, 14:18   #30  |  Link
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Ping->>Sharktooth

Sharktooth,

I think, it is time now someone here to say to you-THANKS for all your efforts and for the incredible MeGUI-x264 Custom video profiles. I'm simple customer. Without these profiles I was unable to achieve until now good quality. Yesterday I use some of these profiles, and they are marvelous.
Thank you again, and do not forget how many people here appreciate deeply your efforts, knowledge and kindness to share.
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Old 29th October 2005, 22:59   #31  |  Link
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Are any of the above profiles usable for xbox compatible x.264 encoding? If not is there any chance that one could be added? Thanks.
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Old 30th October 2005, 02:20   #32  |  Link
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Sharktooth, thanks for the profiles. They are all about 10k compressed, so just one file for download instead of 4 would be simpler . I also guess you are planning to add the profiles to "x264 Full package" in your next build, so people just install it and have the profiles automatically. Or maybe even better, Doom9 could add them to the MeGUI x264 package for those who download the x264 Lite package and MeGUI separately.

Last edited by hpn; 30th October 2005 at 02:30.
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Old 30th October 2005, 15:56   #33  |  Link
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Quote:
Originally Posted by bond
which ones are broken?
Sorry, i dont remember which ones.

Quote:
Originally Posted by QuadraQ
Are any of the above profiles usable for xbox compatible x.264 encoding? If not is there any chance that one could be added? Thanks.
Maybe, but i'll add a specific XBOX profile ASAP.

Quote:
Originally Posted by hpn
Sharktooth, thanks for the profiles. They are all about 10k compressed, so just one file for download instead of 4 would be simpler . I also guess you are planning to add the profiles to "x264 Full package" in your next build, so people just install it and have the profiles automatically. Or maybe even better, Doom9 could add them to the MeGUI x264 package for those who download the x264 Lite package and MeGUI separately.
You're right. I'll group them in one pack and then, when they're all ready, i'll add them to the "full" installer.

Last edited by Sharktooth; 30th October 2005 at 15:59.
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Old 30th October 2005, 21:56   #34  |  Link
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Maybe, but i'll add a specific XBOX profile ASAP.
Thank you! Most appreciated.
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Old 31st October 2005, 00:54   #35  |  Link
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Dunno if you need any input on this, but arstechnica has a decent (as far as I can tell) MeGUI guide for putting h264 on iPod. You could take their settings as guidelines for a profile. (it would probably be best to find someone with a video iPod though, just to check stuff works)

http://arstechnica.com/guides/tweaks/ipod-video.ars/6

oh and just to make sure, if checkboxes are checked but are grayed out, it does mean they aren't used right? (i.e. if you choose one of the HQ profiles and then baseline and then show command line, is --analyse all --8x8dct ok in the base profile? I thought that dct stuff enables high profile)
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Last edited by lexor; 31st October 2005 at 01:00.
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Old 31st October 2005, 08:58   #36  |  Link
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nice. I never thought somebody else would write a guide for a software I wrote
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Old 31st October 2005, 11:09   #37  |  Link
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Quote:
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Profiles for Consoles
PSP: Profile for Sony PSP playback.
XBOX: Profile for XBOX (XBMC is needed).
Coming soon...
VERY nice! Can't wait to see the result of those profiles in actions (after they have been fully optimized?)
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Old 1st November 2005, 03:11   #38  |  Link
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nice. I never thought somebody else would write a guide for a software I wrote
BTW I know I'm not the most qualified, but if there's anyway in which I could contribute to documenting MeGUI, let me know, since I have the time and some resources to contribute.
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Old 1st November 2005, 05:05   #39  |  Link
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Sharktooth if you need someone to help you test the xbox profile, I have a modded xbox with the latest version of xbmc and would be happy to help.
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Old 1st November 2005, 11:11   #40  |  Link
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Originally Posted by Cyberace
Quote:
Originally Posted by Sharktooth
Profiles for Consoles
PSP: Profile for Sony PSP playback.
XBOX: Profile for XBOX (XBMC is needed).
Coming soon...
VERY nice! Can't wait to see the result of those profiles in actions (after they have been fully optimized?)
Quote:
Originally Posted by QuadraQ
Sharktooth if you need someone to help you test the xbox profile, I have a modded xbox with the latest version of xbmc and would be happy to help.
MPEG4 AVC (H.264) encoding tips for the Xbox and decoding on XBMC:

Hints: Suggest you sacrifice encoding-speed to maximize quality at low-bitrates by using 2 or more encoding passes based on AVC Main-Profile or High-Quality Profile, (aim for 700MB or lower in total-size for 2-hours of encoded-video with audio, ie a 1 CD rip). Note!; Xbox only have a 733Mhz Intel Pentium-III CPU and 64MB shared-memory!, and because of the limited resourses on the Xbox it helps disabling any features in XBMC that you do not use (like ex. Python-scripts, WebServer, FTP-server), also suggest you enable the hardware-overlays renderer, lower the video-cache leverls and disable all post-processing filters in XBMC. By the way, remember that Xbox/XBMC are very good at upscaling/upconverting low-resolutions to higher-resolutions (like ex 640x480 to 720x576, and 720x576 to 720p/1080i).

Please DO use:
- Maximum resolution of 720x576 @ 25FPS and 720x480 @ 30FPS.
- ABR (Avarage Bit-Rate) for video.
- Low Bit-Rate video (suggested maximum ABR; 1400kbit/sec).
- Crop (remove) any black-bars on widescreen movies.
- CBR (Constant Bit-Rate) for audio.
- Max 448kbit/sec LC-AAC or 256kbit/sec HE-AAC audio.
- I/P/B-Frames (though a maximum of 3 b-frames in a row).
- P-Frames (though a maximum of 2 reference frames).
- Weighted Prediction.

Please DO NOT use:
- Loop/Deblocking, (XBMC does support deblocking but it slows decoding).
- Interlaced-output, (instead convert any interlaced-input to progressive).
- Anamorphic resolutions, (instead rescale/stretch as needed during encoding).
- Loop/Deblocking; (this signifantly slows decoding).
- CABAC; brings down the bitrate by ~10-15% but slows decoding signifantly.

The jury is out on these:
- Variable Block Sizes/Macroblock Partitions; decoding not supported by XBMC yet?
- 8x8 intra prediction.
- Audio downmix mode "Stereo" (output channels); 5.1 is slower to decode than 2.0?
(Remember to normilize or use dynamic-decomression the audio during encoding!)

Links to XboxMediaCenter's forum discussions regarding ACV playback on Xbox:
Nero-Digital/x264 H.264 MPEG-4 AVC codec, is the Xbox CPU powerfull enough?
HOW-TO play Nero AVC (H.264) in AVI by compile MPlayer with latest FFmpeg!
Nero Digital MPEG-4 AVC / H264 in .MP4 containers support (feature request)

PS! XBMC currently uses FFmpeg CVS from around 4th of October 2005, does that support decoding CQM (Custom Quantization Matrix) for H.264?, if not can 'old' FFmpeg before CQM still decode MPEG4 AVC (H.264) encoded with CQM? By the way; does CQM slow down decoding?, if it does even a little then CQM should probebely be disabled for the Xbox-profile anyway?
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