07-22-2003, 02:41 PM
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I think there should be a thread where we all collect the results of Our testings.
I think this is the best way to post this:
Code:
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Version of CQ Matic: 0.92 beta 2a
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Title of Movie: Tomb Raider
Length of Movie: 97 (97,22 Min)
Resolution: 704x576
Type: PAL
MPEG: MPEG 2
Audio Bitrate: 128 Stereo CBR ( Audio2: 128 St. CBR)
Average Bitrate: 870 (Info by Moviestacker 2.0.0 beta 3)
Project: d2v, AVS (MA-Script), tpr
Wanted Size (Video+Audio): 800 MB / 80 Min
===============================================
===============================================
Results:
===============================================
CQMatic: CQ 48,15
Final Size Video only: ( 8o% finished: 451 MB restarting test with 1.00 beta1)
Final Size Total: ( I post this 2morrow)
My girlfriend cutted of the power yesterday....
So I 've to start again...
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Someday, 12:01 PM
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07-22-2003, 02:46 PM
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Quote:
Originally Posted by Avalon
Wanted Size: 800 MB
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I assume that's for a 90 minute CD-R (800MB + Audio )
-kwag
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07-22-2003, 03:32 PM
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Hi Kwag,
sorry for posting so late. Been very busy last days .
I've just predicted a movie with ToK and CQMatic 0.92 b2a.
Movie details: PAL, 114 minutes, Average Bitrate 851
Code:
ToK-Prediction:
Audio Size: 95.621.486
Required Video Size: 723.578.514
Factor: 31,250
Desired Sample Size: 23.154.512
-------------------------------------------------------------
Prediction: 1st Group of Passes
-------------------------------------------------------------
Next CQ: 55,000. Sample Size: 25.572.429
Next CQ: 49,800. Sample Size: 23.338.515
Next CQ: 37,407. Sample Size: 20.560.115
Next CQ: 46,291. Sample Size: 23.624.198
Next CQ: 43,776. Sample Size: 21.845.296
Next CQ: 45,507. Sample Size: 23.150.099
Exit Condition: 0,500 % reached ! yahoo !
Tries : 6
Final CQ: 45,507
Code:
CQMatic: CQ of 49,38
I'm doing a full encoding right now, results in about 10 hours.
Thanks Kwag for developing this tool
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07-22-2003, 03:42 PM
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@krassi a little bit less information about Your movie...
... but it is ok!
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07-22-2003, 11:03 PM
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Code:
===============================================
Version of CQ Matic: 1.00 beta 1
===============================================
Title of Movie: Tomb Raider
Length of Movie: 97 (97,22 Min)
Resolution: 704x576
Type: PAL
MPEG: MPEG 2
Audio Bitrate: 128 Stereo CBR ( Audio2: 128 St. CBR)
Average Bitrate: 870 (Info by Moviestacker 2.0.0 beta 3)
Project: d2v, AVS (MA-Script), tpr
Wanted Size (Video+Audio): 800 MB / 80 Min
===============================================
===============================================
Results:
===============================================
CQMatic: (CQ 48,15)
Final Size Video only: (574,599 MB)
Final Size Total: (765 MB)
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07-23-2003, 12:29 AM
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Quote:
Originally Posted by Krassi
I'm doing a full encoding right now, results in about 10 hours.
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Wanted video filesize by Moviestacker: 704 MB
Final size with CQ=49,38: 624 MB.
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07-23-2003, 12:32 AM
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Quote:
Originally Posted by Krassi
Quote:
Originally Posted by Krassi
I'm doing a full encoding right now, results in about 10 hours.
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Wanted video filesize by Moviestacker: 704 MB
Final size with CQ=49,38: 624 MB.
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Hi Krassi,
Try version 1.0 and see if you get a higher CQ
Please tell me what you get. Just run prediction only.
-kwag
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07-23-2003, 01:37 AM
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Quote:
Originally Posted by kwag
Try version 1.0 and see if you get a higher CQ
Please tell me what you get. Just run prediction only.
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Yep, i'll do this this evening.
The funny thing is that ToK-Prediction was even worse. Thats first time ToK was so way off... I'll try another movie tonight where i already know a right CQ...
Has the problem with short movies been solved?
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07-23-2003, 02:04 AM
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Quote:
Originally Posted by Krassi
The funny thing is that ToK-Prediction was even worse. Thats first time ToK was so way off... I'll try another movie tonight where i already know a right CQ...
Has the problem with short movies been solved?
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How off was the CQ in ToK compared to CQMatic
And the problem with short movies should now be solved with Version 1.0
-kwag
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07-23-2003, 02:09 AM
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ToK predicted a CQ of 45,507 (see above post).
But i've done only a short sampler with ToK. This morning i started a new prediction with ToK with a bigger sample size. Maybe then its more accurate.
I'll try now with a shorter movie (i have one @work) and newest CQMatic. .
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07-23-2003, 07:30 AM
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Short movie results (23 minutes):
Wanted size: 188.61 MB
Final size: 161 MB
I think thats not bad for such a short movie
This evening i'll make a test with a longer movie.
@Kwag:
Can you explain me (shortly) how your prediction algorithm works Or is it the one from the "File prediction experiment #1,000,000 " -Thread Just curious
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07-23-2003, 07:35 AM
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hi kwag me again
testing new cqmatic version :
black knight (91 min)
predicted a cq of 66,81
well lets see whats coming out
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07-23-2003, 10:33 AM
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Quote:
Originally Posted by Krassi
Short movie results (23 minutes):
Wanted size: 188.61 MB
Final size: 161 MB
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Quote:
Compared with ToKs result:
Quote:
Required Video Size: 197,771,919 Bytes
Encoding... CQ : 51.091
Final Encoded Size: 186,167,838 Bytes
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07-23-2003, 11:29 AM
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Quote:
Originally Posted by Krassi
Quote:
Originally Posted by Krassi
Short movie results (23 minutes):
Wanted size: 188.61 MB
Final size: 161 MB
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Quote:
Compared with ToKs result:
Quote:
Required Video Size: 197,771,919 Bytes
Encoding... CQ : 51.091
Final Encoded Size: 186,167,838 Bytes
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Hi Krassi,
Take a look at the "Wanted" size in moviestacker for both encodes, and compare that to the size created by CQMatic and ToK. (Not the wanted from ToK's log )
-kwag
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07-23-2003, 11:31 AM
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Hi Kwag,
filesize in Moviestacker was 188.61 MB for both.
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07-23-2003, 12:14 PM
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Quote:
Originally Posted by Krassi
Hi Kwag,
filesize in Moviestacker was 188.61 MB for both.
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Ok, so it seems I'm under target. Not much, but it's still below. I just need to find out if it's the same behaviour for everyone. If not, then I have to go into another file prediction method.
However, black prince reported an extremely accurate encode with a movie, so if this is the worse case scenario ( minus ~15MB to minus ~17MB ), then I won't touch prediction
That means that our encodes will be from ~exact size to a max of ~-17MB, and I would call that a very good prediction
I'd rather have that range, than some +20MB over the limit encodes.
I do have the prediction percent bracket in CQMatic set to -1% and +0.5% for a max range of 1.5% difference. This way, if my sample calculation is over the internal reference wanted sample, we ensure that the file size will not be that much larger than the wanted size.
-kwag
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07-23-2003, 12:19 PM
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I think with that small sample size this is really good I've configured ToK to take a bigger sample size...
I'm doing a full encode right now.
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07-23-2003, 12:46 PM
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Im my case it was 35 MB under it!!!!
Quote:
Final Size Total: (765 MB), Wanted: 800 MB
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07-23-2003, 03:25 PM
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Version 1.0 beta3:
Same movie as before (23 mins).
Wanted filesize: 188.61 MB
Encoded filesize: 170 MB
We're getting closer .
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07-23-2003, 03:31 PM
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Quote:
Originally Posted by Krassi
Version 1.0 beta3:
Same movie as before (23 mins).
Wanted filesize: 188.61 MB
Encoded filesize: 170 MB
We're getting closer .
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Yesssss
That's VERY reasonable for the low side. Now I have to confirm that the "High" side is not too over the "Wanted" size. I'll encode K-Pax, whick was always over the size with ToK and the manual predictions with Sampler() or SelectRangeEvery() functions
-kwag
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