MeGUI: General Questions and Troubleshooting Thread - Page 123

73ChargerFan · 5th July 2008, 19:57

DGDecode_mpeg2source("P:\min\min.d2v",info=3)

What does the "info=3" mean? Thanks.

murrsturr · 5th July 2008, 21:41

First off I should say a big thank you for such a beautiful program. It does a lot for me an I appreciate it very much.

But.. I have a script which worked fine, but slow (12 fps), before the recent core update but now when I get to around 14% of a two hour encode now, the encoding fps rate drops to around 3 and then it just stops encoding. There is no error message and Megui hasn't frozen but there is no longer any CPU activity? Would this be a memory issue?

I am using the new TempGaussMC_beta in an otherwise simple script so apologies if I'm out of line for posting this here but I had no problems previously in Megui using this. Other scripts (the couple I tried) seem to work as they did previously.

Thanks in advance.

check · 6th July 2008, 01:41

@73Char: Read the dgdecode manual (part of dgindex)

@murrsturr: doesn't sound like a MeGUI issue, sounds like an input issue. if you can encode the file correctly without megui (read: you use an identical commandline in cmd.exe and it works), report it as a bug

Sharktooth · 6th July 2008, 03:40

@murrsturr: MeGUI just feeds the .avs to x264.exe and reads the encoder stderr/stdout. the .avs doesnt influence the "reading" so i highly doubt it's a MeGUI problem. If the avs is complex or it includes particularly memory hungry filters, ensure you set enough memory in the script (SetMemoryMax() function).

Codex0nz · 6th July 2008, 08:42

Quote:

Originally Posted by Sharktooth

MeGUI doesnt "copy" the audio, it always converts it to something. The volume function will normalize the volume in a pre-processing stage (look at the status window... if you see "Preprocessing" in the status bar then it's normalizing the volume... and no, it's not freezed. let it do the job).
after muxing the delay should be gone.

@simonhowson: the crop doesnt matter. the final picture size does though. it's always better (but not mandatory) to end up with a mod16 res. but do not get never below a mod4 res.
also some avisynth filters may require mod16...

ok thank you

so if i also use the exact same bitrate as the source then it wont downsample it much if at all correct?

Sharktooth · 6th July 2008, 15:30

it will always recompress so you will loose quality. if the bitrate is not too different or equal to the original you wont loose too much though.
FYI "downsampling" means another thing... it's about the sampling rate...

arrirc · 7th July 2008, 04:28

Hello Sharktooth

I reformatted my machine and reinstalled .NET, so MeGUI is running. But there is a new problem now. In AviSynth Script creator if I choose not to "resize", (but choosing the "auto crop" function to remove the black bars) then the AutoEncode> Queue is giving me an error related to AviSynth script resolution. Then I am getting a Fatal Error, but Megui keeps running.

The script is as follows:

Quote:

DGDecode_mpeg2source("J:\Movies\Backups\A Farewell To Arms\Project Files\A Farewell Of Arms.d2v",info=3)
ColorMatrix(hints=true)
#deinterlace
crop( 0, 56, 0, -60)

#resize
#denoise

Please see the screen shots below:

Lastly, what exactly is this "*Scratchpad*" avisynth profile? In the guide I founf the profile to beset as "default" in AviSynth Script Creator tool.

Please help me out

Thank you...

73ChargerFan · 7th July 2008, 04:38

Quote:

Originally Posted by check

@73Char: Read the dgdecode manual (part of dgindex)

Thanks, I found it, but the manual didn't answer my question.

AVS Script creator analyzes a certain mpeg2 video source(m2v or ts) and sometimes adds "info=3", sometimes not, and I don't know why.

BTW, the colors in the preview window still don't match those displayed by mpc-hc. (latest stable 3 version).

jeffy · 7th July 2008, 07:55

Quote:

Originally Posted by arrirc

Lastly, what exactly is this "*Scratchpad*" avisynth profile? In the guide I founf the profile to beset as "default" in AviSynth Script Creator tool.

*Scratchpad*
I think this is an unsaved profile (video, audio or an AviSynth template).

check · 7th July 2008, 09:21

73char: I'm not sure about that either sorry. Regarding MPC-HC: which renderer are you using? Different renderers have different levels of sanity, in particular avoid VMR*. Haali's is generally the best choice, you can also choose between the 609 and 710 matrix if that sort of colour correction is a big deal for you.

berrinam · 7th July 2008, 12:05

info=3 forces DGDecode to output "hints" via avisynth. This hints are used by colormatrix to determine the source color space. Unfortunately, this information was wrong in some recent versions of DGDecode, but the problem should be fixed in the latest one provided in megui's autoupdate.

Sharktooth · 7th July 2008, 13:13

@arrirc: what's not clear in what megui told you?
"This could cause problems"...
Use a mod 16 res (overcrop to mod 16 or resize to mod 16).

squid_80 · 7th July 2008, 15:19

If the Auto Crop option is using the autocrop avisynth plugin, there are two parameters: wMultOf(default 4) and hMultOf(default 2) that can be used to ensure the final width/height is a multiple of x. Since autocrop seems to be an "I'm lazy, do everything for me" option I think it would make sense to use them.

Sharktooth · 7th July 2008, 15:28

it's not the avs autocrop function.

check · 7th July 2008, 16:25

@squid: Out of interest, does that over or under-crop? Or is that also configurable?

@berrinam: Why would some files have info=3 and some not? Did previous builds of MeGUI remove it while it was borked?

rebkell · 7th July 2008, 16:28

Quote:

Originally Posted by check

@squid: Out of interest, does that over or under-crop? Or is that also configurable?

@berrinam: Why would some files have info=3 and some not? Did previous builds of MeGUI remove it while it was borked?

I always/only got info=3 if I had Color Correction checked in the avisynth creator.

squid_80 · 7th July 2008, 18:20

Quote:

Originally Posted by check

@squid: Out of interest, does that over or under-crop? Or is that also configurable?

Looking at the source code it appears to be designed to overcrop.

Sharktooth · 7th July 2008, 18:39

however why should we force a mod16 crop when we have a mod16 resize? overcropping is not always good.

arrirc · 7th July 2008, 19:23

Quote:

Originally Posted by Sharktooth

@arrirc: what's not clear in what megui told you?
"This could cause problems"...
Use a mod 16 res (overcrop to mod 16 or resize to mod 16).

I am not clear about why the error is given when I use Not To Resize+AutoCrop function.
If I resize the final output according to the suggested resolution: 720x364, then anyway it is a resize!

So what exactly should I do so that the original wxh is maintained (that is no resizing)?

Quote:

Originally Posted by Sharktooth

Use a mod 16 res (overcrop to mod 16 or resize to mod 16).

Very sorry Sharktooth, but I have no idea what exactly are you asking me to do.

Thank you for relying.

Sharktooth · 7th July 2008, 19:41

OMG...
ok, you dont want to resize? then adjust the CROP so the final width and height can BOTH be divided by 16 (MOD 16!)
If you still dont understand... RTFM!
http://mewiki.project357.com/wiki/Co...es/Video/Mod16

5th July 2008, 21:41	#2442 \| Link
murrsturr Registered User Join Date: Oct 2004 Posts: 14	New encoding problem with 3.0.0.1014 First off I should say a big thank you for such a beautiful program. It does a lot for me an I appreciate it very much. But.. I have a script which worked fine, but slow (12 fps), before the recent core update but now when I get to around 14% of a two hour encode now, the encoding fps rate drops to around 3 and then it just stops encoding. There is no error message and Megui hasn't frozen but there is no longer any CPU activity? Would this be a memory issue? I am using the new TempGaussMC_beta in an otherwise simple script so apologies if I'm out of line for posting this here but I had no problems previously in Megui using this. Other scripts (the couple I tried) seem to work as they did previously. Thanks in advance. Last edited by murrsturr; 5th July 2008 at 21:45.

6th July 2008, 01:41	#2443 \| Link
check phjbdpcrjlj2sb3h Join Date: Sep 2005 Location: Western Australia Posts: 1,691	@73Char: Read the dgdecode manual (part of dgindex) @murrsturr: doesn't sound like a MeGUI issue, sounds like an input issue. if you can encode the file correctly without megui (read: you use an identical commandline in cmd.exe and it works), report it as a bug __________________ CCCP \| MeWiki \| techouse's x264 builds \| Kovensky's mplayer builds

6th July 2008, 03:40	#2444 \| Link
Sharktooth Mr. Sandman Join Date: Sep 2003 Location: Haddonfield, IL Posts: 11,768	@murrsturr: MeGUI just feeds the .avs to x264.exe and reads the encoder stderr/stdout. the .avs doesnt influence the "reading" so i highly doubt it's a MeGUI problem. If the avs is complex or it includes particularly memory hungry filters, ensure you set enough memory in the script (SetMemoryMax() function). __________________ 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!!!

6th July 2008, 15:30	#2446 \| Link
Sharktooth Mr. Sandman Join Date: Sep 2003 Location: Haddonfield, IL Posts: 11,768	it will always recompress so you will loose quality. if the bitrate is not too different or equal to the original you wont loose too much though. FYI "downsampling" means another thing... it's about the sampling rate... __________________ 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!!!

7th July 2008, 09:21	#2450 \| Link
check phjbdpcrjlj2sb3h Join Date: Sep 2005 Location: Western Australia Posts: 1,691	73char: I'm not sure about that either sorry. Regarding MPC-HC: which renderer are you using? Different renderers have different levels of sanity, in particular avoid VMR. Haali's is generally the best choice, you can also choose between the 609 and 710 matrix if that sort of colour correction is a big deal for you. __________________ CCCP* \| MeWiki \| techouse's x264 builds \| Kovensky's mplayer builds

5th July 2008, 19:57	#2441 \| Link
73ChargerFan Registered User Join Date: Dec 2006 Posts: 523	DGDecode_mpeg2source("P:\min\min.d2v",info=3) What does the "info=3" mean? Thanks.

7th July 2008, 12:05	#2451 \| Link
berrinam Registered User Join Date: Apr 2005 Posts: 1,740	info=3 forces DGDecode to output "hints" via avisynth. This hints are used by colormatrix to determine the source color space. Unfortunately, this information was wrong in some recent versions of DGDecode, but the problem should be fixed in the latest one provided in megui's autoupdate. __________________ MeGUI wiki MeGUI bug tracker MeGUI feature request tracker

7th July 2008, 13:13	#2452 \| Link
Sharktooth Mr. Sandman Join Date: Sep 2003 Location: Haddonfield, IL Posts: 11,768	@arrirc: what's not clear in what megui told you? "This could cause problems"... Use a mod 16 res (overcrop to mod 16 or resize to mod 16). __________________ 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!!!

7th July 2008, 15:19	#2453 \| Link
squid_80 Registered User Join Date: Dec 2004 Location: Melbourne, AU Posts: 1,963	If the Auto Crop option is using the autocrop avisynth plugin, there are two parameters: wMultOf(default 4) and hMultOf(default 2) that can be used to ensure the final width/height is a multiple of x. Since autocrop seems to be an "I'm lazy, do everything for me" option I think it would make sense to use them.

7th July 2008, 15:28	#2454 \| Link
Sharktooth Mr. Sandman Join Date: Sep 2003 Location: Haddonfield, IL Posts: 11,768	it's not the avs autocrop function. __________________ 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!!!

7th July 2008, 16:25	#2455 \| Link
check phjbdpcrjlj2sb3h Join Date: Sep 2005 Location: Western Australia Posts: 1,691	@squid: Out of interest, does that over or under-crop? Or is that also configurable? @berrinam: Why would some files have info=3 and some not? Did previous builds of MeGUI remove it while it was borked? __________________ CCCP \| MeWiki \| techouse's x264 builds \| Kovensky's mplayer builds

7th July 2008, 18:39	#2458 \| Link
Sharktooth Mr. Sandman Join Date: Sep 2003 Location: Haddonfield, IL Posts: 11,768	however why should we force a mod16 crop when we have a mod16 resize? overcropping is not always good. __________________ 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!!!

7th July 2008, 19:41	#2460 \| Link
Sharktooth Mr. Sandman Join Date: Sep 2003 Location: Haddonfield, IL Posts: 11,768	OMG... ok, you dont want to resize? then adjust the CROP so the final width and height can BOTH be divided by 16 (MOD 16!) If you still dont understand... RTFM! http://mewiki.project357.com/wiki/Co...es/Video/Mod16 __________________ 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; 7th July 2008 at 19:46.

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