Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion. Before you start posting please read the forum rules. By posting to this forum you agree to abide by the rules. |
30th March 2016, 00:44 | #1 | Link |
Registered User
Join Date: May 2005
Posts: 1,462
|
Remove pulldown from alleged progressive source
What is the best way to remove the pulldown from this video? eac3to tells me "The MPEG2 stream is a mixture of progressive and interlaced encoding." And I don't see any option for pulldown in QTGMC. Little confused here.
Video ID : 1 Format : MPEG Video Format version : Version 2 Format profile : Main@Main Format settings, BVOP : Yes Format settings, Matrix : Custom Format settings, GOP : Variable Codec ID : V_MPEG2 Codec ID/Info : MPEG 1 or 2 Video Bit rate mode : Variable Bit rate : 5 189 Kbps Maximum bit rate : 9 800 Kbps Width : 720 pixels Height : 480 pixels Display aspect ratio : 16:9 Frame rate mode : Variable Original frame rate : 23.976 fps Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Scan order : 2:3 Pulldown Compression mode : Lossy Time code of first frame : 01:00:00:00 Time code source : Group of pictures header GOP, Open/Closed : Open GOP, Open/Closed of first frame : Closed Default : No Forced : No
__________________
Gorgeous, delicious, deculture! |
30th March 2016, 01:10 | #2 | Link |
Registered User
Join Date: Feb 2002
Location: California
Posts: 2,695
|
What makes you think the video itself contains pulldown? It may already be progressive, and the "2:3 pulldown" being reported may be nothing more than the pulldown flag. I say this because the frame rate is being reported as 23.976.
If you have any question, do a lossless cut of a few seconds of high motion and upload that so people can take a look at it. |
30th March 2016, 08:15 | #3 | Link | |
Registered User
Join Date: May 2005
Posts: 1,462
|
Quote:
Thanks for your reply. tsMuxer lists it as 720:480i, 29.97fps. Hence my confusion. I uploaded a 2secs sample, though, here: What pulldown is this?
__________________
Gorgeous, delicious, deculture! |
|
30th March 2016, 09:33 | #4 | Link |
Registered User
Join Date: May 2006
Posts: 3,997
|
It looks like telecined to me.
I would suggest: Code:
TFM().tdecimate() QTGMC(InputType=1) #stabilizing & cleaning (It would be helpful to get a segment with action/movement rather than a static scene) |
30th March 2016, 14:43 | #6 | Link | |
Registered User
Join Date: May 2005
Posts: 1,462
|
Quote:
My bad, Here's a somewhat longer scene (10 secs, is that allowed here?) Slightly longer On this small fragment, removing pulldown with tsMuxer seemed fine. On the whole DVD, though, I got this strange error (from tsMuxer): Warning! Source stream contain irregular pulldown marks. Mistiming between original fps and fps/1.25(without pulldown) exceed 100ms. As always, your collective help is much appreciated!
__________________
Gorgeous, delicious, deculture! |
|
30th March 2016, 16:41 | #7 | Link |
Registered User
Join Date: May 2006
Posts: 3,997
|
It's definitely soft telecined using pulldown flags.
The pulldown pattern is regular, and removing the pulldown flag or leaving the flag alone and apply IVTC via TFM().tdecimate() produces identical results. There seems to be a hiccup though at the very end of the clip, but I suspect it is just due to the cutting. |
30th March 2016, 16:44 | #8 | Link | |
Registered User
Join Date: May 2005
Posts: 1,462
|
Quote:
__________________
Gorgeous, delicious, deculture! |
|
30th March 2016, 18:30 | #9 | Link |
Registered User
Join Date: Feb 2002
Location: California
Posts: 2,695
|
The video you uploaded is simply 24 fps. No pulldown removal is needed. You can edit and deal with it as 24p. As I suspected in my initial post, it does have the pulldown flag set which means that when you play it with a "pulldown aware" player (including a DVD player) duplicate fields will be add in order to achieve 29.97 fps without changing the playback speed.
|
30th March 2016, 18:51 | #11 | Link | |
Registered User
Join Date: May 2005
Posts: 1,462
|
Quote:
Now I'm confused again, LOL.
__________________
Gorgeous, delicious, deculture! |
|
30th March 2016, 19:25 | #12 | Link |
Registered User
Join Date: May 2005
Posts: 1,462
|
Hmm, using this:
FFVideoSource ("f:\video\taylor.m2ts") TFM().tdecimate() Yields a very weird fps: f:\jobs\taylor.avs: 720x480, 8732/455 fps, 572 frames y4m [info]: 720x480p 1:1 @ 8732/455 fps (cfr) 19.1912 fps, to be precise. That can't be right.
__________________
Gorgeous, delicious, deculture! |
30th March 2016, 20:37 | #13 | Link |
Registered User
Join Date: Feb 2002
Location: California
Posts: 2,695
|
This script:
Code:
loadPlugin("c:\Program Files\AviSynth 2.5\plugins\ffms2.dll") source=FFVideoSource("E:\Documents\Dnload\UNPACK\taylor.m2ts") return source There is no hard telecine. Here's the snapshot of the result of that script, playing in VirtualDub: Note how the File Information dialog in Virtualdub correctly reports 23.976. |
30th March 2016, 20:41 | #14 | Link |
Registered User
Join Date: Feb 2002
Location: California
Posts: 2,695
|
BTW, your "weird fps" is more or less what you would expect when you (incorrectly) apply the standard 3:2 TDecimate to 23.976:
23.976 * (24 /30 ) = 19.1808 I'm not sure how you got to the slightly different roundoff, but it doesn't really matter. Just don't do any IVTC, and you'll get the result you want. |
30th March 2016, 20:43 | #15 | Link | |
Registered User
Join Date: May 2005
Posts: 1,462
|
Quote:
^^ Brilliant stuff here! Thank you very much!
__________________
Gorgeous, delicious, deculture! |
|
30th March 2016, 21:33 | #16 | Link | |
Registered User
Join Date: May 2006
Posts: 3,997
|
Quote:
If the player would respect the pulldown flags you would get 23.976fps. Last edited by Sharc; 30th March 2016 at 21:58. |
|
30th March 2016, 22:40 | #18 | Link | |
Registered User
Join Date: May 2006
Posts: 3,997
|
Quote:
I indexed the clip with DGindexNV and decoded with DGsource("...... .dgi"). Last edited by Sharc; 30th March 2016 at 22:46. |
|
30th March 2016, 22:45 | #19 | Link | |
Registered User
Join Date: May 2005
Posts: 1,462
|
Quote:
Actually, now that you mention DGindexNV, I just noticed frame inconsistencies with FFVideoSource: SetMemoryMax (768) SetMTMode (5,4) FFVideoSource ("f:\jobs\taylor.mkv") SetMTMode (3) I wanted to use my old DGDecNV again (lost it since my clean install of Win 10). While I can still download the binaries from Neuron2's site, it would seem the online license generator is gone. Are there other frame-safe source indexers out there? (for AviSynth 2.6)
__________________
Gorgeous, delicious, deculture! |
|
30th March 2016, 22:58 | #20 | Link | |
Registered User
Join Date: May 2006
Posts: 3,997
|
Quote:
P.S. The DG.... license generator worked for me recently. Otherwise you may PM Donald Graft. Last edited by Sharc; 30th March 2016 at 23:01. |
|
Thread Tools | Search this Thread |
Display Modes | |
|
|