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21st August 2006, 15:15 | #21 | Link | |
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21st August 2006, 18:31 | #23 | Link |
Dilly dally shilly shally
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Meh, I expected HQ-Slower to be slow, but not THIS slow. The first pass took about 4 hours. I figured the second pass would take 4 hours as well; maybe slightly longer. I wake up today and see that 5 hours have elapsed for second pass and 10 hours are remaining!!! I immediately stopped the process. It's okay when this is taking place while I'm asleep but I don't want my cpu getting buggered all during the day time, too
Is there a way to get good results without taking this much time? Even rebuilding DVDs wit DVD Rebuilder and CCE + 3 passes only took me about 4 hours total. I've got like 25 movies I still want to reencode. P.S. this is on a Pentium 4 2.4GHz; 512MB of RAM. Not the fastest computer in the world, but still. I figured if CCE could do it in 4 hours with excellent quality then x264 could do it in about that time. Last edited by Eleo; 21st August 2006 at 18:47. |
21st August 2006, 18:50 | #24 | Link |
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Use a faster profile. x264 doesn't need --subme 7 --me umh --b-rdo -r 16 to look good.
Comparing MPEG2 with H264 concerning speed is useless. Of course any normal MPEG2 encoder will be much faster. There's about 10 years difference in technology. (Remember what kind of CPU you had 10 years ago ) Last edited by GodofaGap; 21st August 2006 at 18:52. |
21st August 2006, 18:58 | #25 | Link |
Dilly dally shilly shally
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Ten years ago... Maybe a Pentium 2 233MHz.
"Faster profile" well I just see so many. I'm going for the best compromise between quality and my sanity; ie the best looking video I can get for under 8 hours of encoding time. Do you have a suggestion? But then again obviously if the profiles I use don't do me much better than xvid then there's no reason to be using x264 and trying to be hip and stuff. I was just very keen on x264 because the result looks damn near like the DVD; at least the sample I got from a friend did. Last edited by Eleo; 21st August 2006 at 19:01. |
21st August 2006, 19:06 | #27 | Link | |
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Which one ? Not that fast either.... People always also say "do two passes...maybe more".....so what would be a good profile for every-day use/viewing of NON HDTV movies ? |
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21st August 2006, 19:09 | #28 | Link | |
Dilly dally shilly shally
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21st August 2006, 19:43 | #31 | Link |
frying subs
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For using the computer while you encode, just set the x264 priority to below normal or even lower if that is not enough. If for some reason you really need to pause it, even tho i never tried it, i think SysInternals PSSuspend is made for that. However, since i doubt you can turn off the computer and still resume, there is no real gain over simply lowering the process priority.
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21st August 2006, 19:59 | #32 | Link | |
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Of course for the higher bitrate range, XviD is a valid alternative too. |
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21st August 2006, 20:01 | #33 | Link |
Mr. Sandman
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Coz if you want a fast encoding you should use xvid instead :P
Also if you want faster profiles, just dont use HQ ones... speed and quality are opposite words...
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MPEG-4 ASP Custom Matrices: EQM V1(old), EQM AutoGK Sharpmatrix (aka EQM V2), EQM V3HR (updated 01/10/2004), EQM V3LR, EQM V3ULR (updated 04/02/2005), EQM V3UHR (updated 17/12/2004) and EQM V3EHR (updated 05/10/2004) Info about my ASP matrices. MPEG-4 AVC Custom Matrices: EQM AVC-HR Info about my AVC matrices My x264 builds. Mooo!!! Last edited by Sharktooth; 21st August 2006 at 20:03. |
21st August 2006, 20:12 | #34 | Link |
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HQslow profile has got quite good speed in my opinion
coming from tbred system 2 hours first pass (24fps) + 9fps is about 6 hours of second pass but the default should give quite balanced result in terms of quality and speed |
21st August 2006, 21:15 | #35 | Link | |
Dilly dally shilly shally
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21st August 2006, 22:02 | #38 | Link |
Turkey Machine
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You lot are wingers, really! I've got a Celeron 800 MHz, and I do a regular encode of some games footage. It's not longer than about 1500 to 2000 frames usually, and it takes 2 hours to do 2 passes in x264, at 1500 kbps. 1500 to 2000 frames is anywhere between 70 and 90 seconds. In XviD, I can have both passes done within 20-30 minutes. That's with all the high quality settings too in both codecs, yet x264 looks miles better, even with XviD or ffdshow's post-processing!
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22nd August 2006, 01:22 | #39 | Link | |||
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Does the integrated memory controller of the AMD X2 CPU make a big difference here ? |
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22nd August 2006, 01:32 | #40 | Link |
Mr. Sandman
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No, it doesnt suck, it's a monster CPU, but the AMD multicore implementation just shines with x264 partially because of faster MMX but also coz of the architecture (the Conroe shared cache is good but not as good as the crossbar switch).
Maybe optimizing the code for Conroe will just make it faster.
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MPEG-4 ASP Custom Matrices: EQM V1(old), EQM AutoGK Sharpmatrix (aka EQM V2), EQM V3HR (updated 01/10/2004), EQM V3LR, EQM V3ULR (updated 04/02/2005), EQM V3UHR (updated 17/12/2004) and EQM V3EHR (updated 05/10/2004) Info about my ASP matrices. MPEG-4 AVC Custom Matrices: EQM AVC-HR Info about my AVC matrices My x264 builds. Mooo!!! |
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