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-   -   Bitrates: CQMatic Filesize Problem (http://www.digitalfaq.com/archives/encode/14595-bitrates-cqmatic-filesize.html)

Brenth 08-16-2008 10:46 PM

CQMatic Filesize Problem
 
When using CQMatic to predict the filesize, I got a 1.1 GB file! I don't know what it is, but if someone could help me I would gladly appreciate it. My movie is 106 minutes and 52 seconds long. When using CalcuMatic, the average bitrate is 905. I suspect that the TMPGEnc project file has something to do with it, but I'm not sure. Here's the log of CQMatic:
CQMatic Version 1.4.08
http://www.kvcd.net
(c) Karl A. Wagner 2004, 2006.
All rights reserved.
Time: 22:48:25 Date: 08/16/2008
Ready!
Project: C:\THE_FAST_AND_THE_FURIOUS\VIDEO_TS\project.tpr

Creating: CQMatic.tpr

C:\THE_FAST_AND_THE_FURIOUS\VIDEO_TS\video.m1v
Project resolution: 352x240
Execute.
Movie Time: 106:52
Average Bitrate: 905
Prediction Only mode
Executing Prediction Phase...
Process started at 22:49:43
On 08/16/2008
Preparing for calibration phase...
Calibration phase started.
Step 1 of 10.
Step 2 of 10.
Step 3 of 10.
Step 4 of 10.
Step 5 of 10.
Step 6 of 10.
Step 7 of 10.
Step 8 of 10.
Step 9 of 10.
Step 10 of 10.
Calibration phase complete.
CQ_VBR set for prediction.
Setting up sampling.
Phase 1 of 7, cycle 1
Encoder started...
Process time: 1.18 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 15.000000
High fence: 90.000000
Last CQ = 15.00
Current CQ = 52.50
CQ difference = 37.500000
Phase 1 of 7, cycle 2
Encoder started...
Process time: 1.12 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 52.500000
High fence: 90.000000
Last CQ = 52.50
Current CQ = 71.25
CQ difference = 18.750000
Phase 1 of 7, cycle 3
Encoder started...
Process time: 1.12 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 71.250000
High fence: 90.000000
Last CQ = 71.25
Current CQ = 80.63
CQ difference = 9.375000
Phase 1 of 7, cycle 4
Encoder started...
Process time: 1.12 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 80.625000
High fence: 90.000000
Last CQ = 80.63
Current CQ = 85.31
CQ difference = 4.687500
Phase 1 of 7, cycle 5
Encoder started...
Process time: 1.13 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 85.312500
High fence: 90.000000
Last CQ = 85.31
Current CQ = 87.66
CQ difference = 2.343750
Phase 1 of 7, cycle 6
Encoder started...
Process time: 1.12 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 87.656250
High fence: 90.000000
Last CQ = 87.66
Current CQ = 88.83
CQ difference = 1.171875
Phase 1 of 7, cycle 7
Encoder started...
Process time: 1.12 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 88.828125
High fence: 90.000000
Last CQ = 88.83
Current CQ = 89.41
CQ difference = 0.585938
Setting up sampling.
Phase 2 of 7, cycle 1
Encoder started...
Process time: 1.17 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 89.414063
High fence: 90.000000
Last CQ = 89.41
Current CQ = 89.71
CQ difference = 0.292969
Setting up sampling.
Phase 3 of 7, cycle 1
Encoder started...
Process time: 1.15 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 89.707031
High fence: 90.000000
Last CQ = 89.71
Current CQ = 89.85
CQ difference = 0.146484
Setting up sampling.
Phase 4 of 7, cycle 1
Encoder started...
Process time: 1.10 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 89.853516
High fence: 90.000000
Last CQ = 89.85
Current CQ = 89.93
CQ difference = 0.073242
Setting up sampling.
Phase 5 of 7, cycle 1
Encoder started...
Process time: 1.13 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 89.926758
High fence: 90.000000
Last CQ = 89.93
Current CQ = 89.96
CQ difference = 0.036621
Setting up sampling.
Phase 6 of 7, cycle 1
Encoder started...
Process time: 1.15 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 89.963379
High fence: 90.000000
Last CQ = 89.96
Current CQ = 89.98
CQ difference = 0.018311
Setting up sampling.
Phase 7 of 7, cycle 1
Encoder started...
Process time: 1.12 minutes.
Encoder end.
File size difference = -4982047.000000
Low fence: 89.981689
High fence: 90.000000
Last CQ = 89.98
Current CQ = 89.99
CQ difference = 0.009155
Final CQ value is 89.67
Encoding test sample at 89.67
CQMatic complete!
Total minutes of process: 40.08
Process ended at 23:29:48
On 08/16/2008

Dialhot 08-18-2008 03:40 AM

As you can see, all the filesize are negatives, that means there is a problem ;).

Check the points I mentioned there :
http://www.kvcd.net/forum/viewtopic.php?p=90109#90109
Also, take care to have "Video onlty" and not "Video+Audio". CQMatic can't deal with audio.

Brenth 08-19-2008 08:39 AM

Yea. Found the solution in another topic :oops: Thanks anyways!


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