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11th June 2003, 17:30 | #41 | Link |
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@ karl :
i registered the new keys but these keys override any further settings in audience, true ? (in fact, if i register complexity at 80 and ask for 70 in audience , producer will still encode at 80 ? )that's what i realized. so i might guess i have to delete keys in registry ? @ nah : <UseThread> markup will also be deleted from rmfactory in next release. About avi ( now avs too ) input , give me please some ideas on how to improve it : i can't read in users mind , neither can they in mine ( i 'really' should write some docs )
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11th June 2003, 17:32 | #42 | Link | |
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11th June 2003, 17:36 | #43 | Link | |
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A nicer, simpler way is to have a reg-file for the different settings. That way you can switch from one to the other simply by clicking on the appropriate reg-file. Ruud
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11th June 2003, 19:23 | #44 | Link | |
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Also people always ask on amv.org how to convert RM to something else and I think I remember karl saying that EO uses a crappy renderer or something to decode, but that's what I've always used and recommended because it's like the only thing that works. |
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11th June 2003, 20:50 | #45 | Link |
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PSNR calculations can sometimes be very inaccurate. For instance, we have a built-in filter that removes potential capture noise along the edge of the video. Even though the resulting compressed video looks better than the original for those areas, it will significantly degrade a PSNR number, which just looks at pixel for pixel differences. I have no idea how a program like EO video will affect PSNR when it saves RM files as AVI files. By using the proper audience settings it is possible to disable this noisyEdgeFilter though, and there are also some other settings which can be used, but I will leave it as an exercise for the reader to check the producer documentation for these options. Even then there could be problems with rate control and dropped frames. So it is possible to get accurate numbers, but a little complex.
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11th June 2003, 20:54 | #46 | Link | |
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The registry settings are meant to enable this mode in the old GUI Helix Producer and other tools which have not (yet) included the ability to set this mode in the audience file Or it is nice for those that always want to use encoderComplexity=80, and not have to worry about remembering to enable this in whichever tool they use. And then it would be bad if your tool decided to delete these keys. They are meant to always over-ride whichever setting would otherwise have been chosen.
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12th June 2003, 00:19 | #48 | Link |
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Some results with the EHQ-mode:
1 pass, quality 85, 132Kbps sound. --- Clip 1: 1162 frames, 25fps, 448x336 (Bright, medium motion, clean); Complexity 65: 1957Kbps, 10.9MB, ~1799Kbps video (.478 b/p) Complexity 80: 1558Kbps, 8.68MB, ~1406Kbps video (.374 b/p) --- Clip 2: 1446 frames, 25fps (Bright, high motion, noisy at times); 448x336 complexity 65: 3139Kbps, 21.8MB, ~2965Kbps video (.788 b/p) 448x336 complexity 80: 2603Kbps, 18MB, ~2436Kbps video (.647 b/p) 512x384 complexity 65: 3846Kbps, 26.7MB, ~3662Kbps video (.745 b/p) 512x384 complexity 80: 3161Kbps, 21.8MB, ~2987Kbps video (.608 b/p) --- Oh, and hi ppl! |
12th June 2003, 01:02 | #49 | Link |
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Welcome to the world of Real Video
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12th June 2003, 12:32 | #51 | Link |
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Does it increase the "time to encode"?
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12th June 2003, 17:02 | #53 | Link |
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You have to ehit the .rpad or the .rpjf. Change the encoding type to vbrquality I believe. Also change the quality to what ever you want.
Code:
<encodingType type="string">vbrBitrate</encodingType> <quality type="uint">95</quality> |
12th June 2003, 17:13 | #54 | Link |
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hmm, perhaps you meant
Code:
<encodingType type="string">vbrQuality</encodingType> <quality type="uint">85</quality> Also note that RV9's quality levels are very different from other codecs, so for instance RV9 at 85 is not the same as 85 for any other codec. @BigPapaSmurf: hilsen til Norge fra Seattle! Those bitrate reductions are similar to what I have seen.
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13th June 2003, 03:03 | #55 | Link |
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what's next for EHQ
Right now I am looking into speeding up 1st pass to faster than default (complexity 50), while 2nd pass runs at normal complexity 80 speed. I am not sure it will be complete for Producer 9.2 - we shall see, but in any case a temporary build can always be made available from helixcommunity.
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13th June 2003, 03:11 | #56 | Link |
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Great news Thanks Karl
1-pass is usualy for live capture, while 2-pass is for file2file encoding. What if I set Complexity higher than 80? Will I get better results?
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13th June 2003, 03:16 | #57 | Link |
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better quality for complexity > 80? No, (not yet).
(just in case there was a misunderstanding: what I meant was that for 2-pass encoding, I am trying to make the 1st out of the two passes run much faster than the 2nd pass)
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13th June 2003, 14:46 | #58 | Link |
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Ha!
I was misunderstanding .
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13th June 2003, 15:06 | #60 | Link | |
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CBR: 300kbps VBR: 30kbps On high-motion scene (anime): CBR: 300kbps VBR: 800kbps Same output filesize 2-pass VBR is the best, it's long, but the overal quality is better IMO. [edit] I'd like to use max startup latency in Helix GUI...
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