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Old 9th September 2015, 05:22   #1  |  Link
hydra3333
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PAL 1080p to PAL 576i with high quality motion compensated interpolation

I have a (legal) 1080p source of sports footage in an mp4 container. I only have a DVD player and an old simple media player. Sports footage looks better interlaced anyway (I once heard it called "motion fluidity").

I can use Mr Donald Graft's dgdecodeNV to make use of my Ti750i graphics card to resize the 1080p input to 576p apparently like
Code:
LoadPlugin("C:\DGindex\DGDecodeNV.dll") 
DGSource("footy.dgi",resize_w=720,resize_h=576)
But then I'd need to
(i) double the framerate using the latest nice accurate form of motion compensated interpolation (something in mvtools2?)
(ii) and turn that into a DVD compatible TFF interlaced fields 576i (ie 50 fields/sec) output.

Suggestions very much welcomed on how to do (i) and (ii).


edit: for (ii) I think this turns 576p50 into 576i TFF interlaced
Code:
AssumeTFF()
SeparateFields()
SelectEvery(4,0,3) # top field first
Weave()
edit2: is it this using mvtools2 ?
Code:
#To double fps with MFlowFps for 'best' results (but slower processing):
super = MSuper(pel=2)
# Use block overlap, halfpixel accuracy and Exhaustive search
backward_vec = MAnalyse(super, overlap=4, isb = true, search=3)
forward_vec = MAnalyse(super, overlap=4, isb = false, search=3)
MFlowFps(super, backward_vec, forward_vec, num=2*FramerateNumerator(last), den=FramerateDenominator(last))
edit3: I just saw SVPflow ... and I'm a bit unsure if it works with avisynth 2.57
http://forum.doom9.org/showthread.php?t=164554

Last edited by hydra3333; 9th September 2015 at 06:02.
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Old 9th September 2015, 10:24   #2  |  Link
Sharc
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What is the framerate of your progressive source? Isn't it already shot at "double rate" of 50 (or 60) fps?
If so, just resize it to DVD (720x576) and apply your 1st script to produce the interlaced DVD format.
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Old 9th September 2015, 10:29   #3  |  Link
hydra3333
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Quote:
Originally Posted by Sharc View Post
What is the framerate of your progressive source? Isn't it already shot at "double rate" of 50 (or 60) fps?
mediainfo says the source is 1080p25
Quote:
Frame rate : 25.000 fps
I paid 25 smackers to the local footy league for a prelim final game of local footy, and they emailed me a download link with this mp4 file as the one and only option.
It also is blocky as anything so I'm hoping this sorts it out (straight after the DGsource)
Code:
Deblock_QED(quant1=36)

Last edited by hydra3333; 9th September 2015 at 10:33.
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Old 9th September 2015, 10:49   #4  |  Link
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Since I'm doing deblocking too, this is what I've got so far. Feel free to criticize.
Code:
SetMTmode(mode=5,threads=8) # start with mode=5 forAVIsource http://forum.doom9.org/showthread.php?p=1067216#post1067216 
setmemorymax(1024)  
LoadPlugin("C:\SOFTWARE\DGindex\DGDecodeNV.dll")  
LoadPlugin("C:\SOFTWARE\DGindex\DGDecode.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\mt_masktools-25.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\mvtools2.dll")  
# 
Import("C:\Program Files (x86)\AviSynth 2.5\Deblock_QED_MT2.avs") 
Import("C:\Program Files (x86)\AviSynth 2.5\LimitedSharpenFaster.avs") 
DGSource("T:\HDTV\WDTVlive\MP4hd\progressive\2015.09.05-SANFL-QualifyingFinal-Westies-d-Port-Q1-HD.dgi")  
SetMTmode(mode=2) # 
Deblock_QED(quant1=36) 
Spline36resize(720,576) 
#-- 
#To double fps with MFlowFps for *best* results (but slower processing) 
super = MSuper(pel=2) 
# Use block overlap, halfpixel accuracy and Exhaustive search 
backward_vec = MAnalyse(super, overlap=4, isb = true, search=3) 
forward_vec = MAnalyse(super, overlap=4, isb = false, search=3) 
MFlowFps(super, backward_vec, forward_vec, num=2*FramerateNumerator(last), den=FramerateDenominator(last)) 
#-- 
AssumeTFF() #choose the SAME field order like before deinterlacing 
SeparateFields().SelectEvery(4,0,3).Weave() #reinterlace. 
AssumeTFF() #choose the SAME field order like before deinterlacing 
AssumeFPS(25) 
#-- 
ColorMatrix(interlaced=true,mode="Rec.709->Rec.601") 
SetMTmode(mode=5,threads=8) 
Distributor() # use this when using HC and SetMTmode, per http://forum.doom9.org/showthread.php?p=1063622#post1063622
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Old 10th September 2015, 07:08   #5  |  Link
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Changing the colour matrix should be done prior to interlacing, because the interlacing step introduces aliasing, which makes the chroma resampling considerably less accurate. You could even do it before resizing to 576p to minimise the inaccuracy, but that's probably unnecessary.
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Old 10th September 2015, 08:53   #6  |  Link
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The SVP looks promising. Is it up and running?

If your 1080p25 source is a (poorly) deinterlaced version of a 1080i50 original you may want to pre-propcess (clean it up) it with QTGMC first.
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Old 10th September 2015, 09:46   #7  |  Link
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Quote:
Originally Posted by Sharc View Post
If your 1080p25 source is a (poorly) deinterlaced version of a 1080i50 original you may want to pre-propcess (clean it up) it with QTGMC first.
Thank you. I'd like to do that ... I only have the 1080p25 source
From my standard script template, I added SVP's Interframe and am using this :-
Code:
setmemorymax(1024)  
LoadPlugin("C:\SOFTWARE\DGindex\DGDecodeNV.dll")  
LoadPlugin("C:\SOFTWARE\DGindex\DGDecode.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\AddGrainC.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\avstp.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\dfttest.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\dither.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\EEDI2.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\eedi3.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\FFT3DFilter.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\mt_masktools-25.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\mvtools2.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\nnedi-from-tcritical.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\nnedi2-from-tcritical.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\nnedi3-from-tcritical.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\RemoveGrainSSE2.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\RepairSSE2.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\SSE2Tools.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\TDeint.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\VerticalCleanerSSE3.dll") 
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\VariableBlur.dll")  
LoadCPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\yadif.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\AGC.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\CNR2.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\fft3dfilter.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\dctfilter.dll") 
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\degrainmedian.dll") 
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\Convolution3d.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\DePan.dll") 
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\despot.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\WarpSharp.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\FFTQuiver.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\aWarpSharp.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\Unfilter.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\RemoveDirtSSE2.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\Yadifmod.dll")  
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\Colormatrix.dll") 
#
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\InterFrame-2.8.2\Dependencies\svpflow1.dll") 
LoadPlugin("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\InterFrame-2.8.2\Dependencies\svpflow2.dll") 
# 
Import("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\dither.avs")  
Import("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\mt_xxpand_multi.avs")  
Import("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\QTGMC-3.33.avs")  
Import("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\SMDegrain-v.2.2d.avs")  
Import("C:\Program Files (x86)\AviSynth 2.5\plugins-qtgmc-smdegrain\LSFmod.v1.9.avs")  
Import("C:\Program Files (x86)\AviSynth 2.5\Deblock_QED_MT2.avs") 
Import("C:\Program Files (x86)\AviSynth 2.5\LimitedSharpenFaster.avs") 
# 
Import("C:\Program Files (x86)\AviSynth 2.5\plugins-zzz\InterFrame-2.8.2\InterFrame2.avsi") 
# 
DGSource("T:\HDTV\WDTVlive\MP4hd\progressive\interframe\2015.09.05-SANFL-QualifyingFinal-Westies-d-Port-Q1-HD.dgi")  
Deblock_QED() #default quant1=24 
Deblock_QED() #default quant1=24 
   ######## 
   #--progressive-only MSUPER/MDegrain1 for use with SetMTMode(2) 
   #blksize=8 # 4, 8 or 16 ( default is 8 ). Larger blocks are less sensitive to noise, are faster, but also less accurate. 
   #overlap=4 # overlap value (0 to 4 for blksize=8) Must be even and less than block size 
   #dct=0 # use dct=1 for clip with light flicker 
   #super = MSuper(pel=2,chroma=true,sharp=2) 
   #backward_vec1 = MAnalyse(super, isb = true,  delta = 1, blksize=blksize, overlap=overlap, dct=dct, chroma=true) 
   #forward_vec1  = MAnalyse(super, isb = false, delta = 1, blksize=blksize, overlap=overlap, dct=dct, chroma=true) 
   #MDegrain1(super, backward_vec1,forward_vec1,thSAD=400,plane=4) 
   ######## 
LimitedSharpenFaster(smode=4,strength=100) 
Spline36resize(720,576) 
#Lanczos4resize(720,576) 
#-- 
#InterFrame (GPU=true, Preset="Medium", Tuning="Smooth", Cores=8, FrameDouble=true) 
#InterFrame (GPU=true, Preset="Medium", Tuning="Film", Cores=8, FrameDouble=true) 
InterFrame (GPU=false, Preset="Medium", Tuning="Smooth", Cores=8, FrameDouble=true) 
#InterFrame (GPU=false, Preset="Medium", Tuning="Film", Cores=8, FrameDouble=true) 
#-- 
AssumeTFF() #choose the SAME field order like before deinterlacing 
Blur(0,0.25).SeparateFields().SelectEvery(4,0,3).Weave() #reinterlace - ASSUMED TFF HERE # BLUR(0,1) per http://forum.doom9.org/showthread.php?p=1488308#post1488308 
AssumeTFF() #choose the SAME field order like before deinterlacing 
AssumeFPS(25) 
ColorMatrix(interlaced=true,mode="Rec.709->Rec.601") 
AssumeTFF()  
AssumeFPS(25)
The "deblock_qed"s don't seem to be doing anything useful. I wonder if I should surround them with separatefields and weave (in case it's looking for a smaller size to deblock or something like that) ?
Code:
SeparateFields() 
Deblock_QED() #default quant1=24 
Deblock_QED() #default quant1=24 
weave()

edit: uploaded a 5mb .mp4 sample of the source chopped out using ffmpeg with -c:v copy -c:a copy
https://drive.google.com/file/d/0B5R...ew?usp=sharing
https://drive.google.com/file/d/0B5R...ew?usp=sharing

Last edited by hydra3333; 10th September 2015 at 10:26.
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Old 10th September 2015, 10:57   #8  |  Link
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OK, well now I am a bit stuck, nothing easy I try deblocks that source.
Can someone please provide advice on how to significantly deblock that source ?
https://drive.google.com/file/d/0B5R...ew?usp=sharing
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Old 10th September 2015, 11:06   #9  |  Link
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Quote:
Originally Posted by hydra3333 View Post
edit: uploaded a 5mb .mp4 sample of the source chopped out using ffmpeg with -c:v copy -c:a copy
https://drive.google.com/file/d/0B5R...ew?usp=sharing
https://drive.google.com/file/d/0B5R...ew?usp=sharing
The bitrate is too low for 1080p, there are a lot of artifacts that should be removed or reduced before doubling the framerate.


edit : I believe it's better to deblock before using SeparateFields() .

Last edited by Music Fan; 10th September 2015 at 11:10.
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Old 10th September 2015, 12:01   #10  |  Link
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Thanks. I tried deblock with and without separatefields().weave() and it didn't make any difference that I could see.
Anyone ?
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Old 10th September 2015, 12:05   #11  |  Link
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Quote:
Originally Posted by hydra3333 View Post
The "deblock_qed"s don't seem to be doing anything useful. I wonder if I should surround them with separatefields and weave (in case it's looking for a smaller size to deblock or something like that) ?
No, if your video is progressive it's a bad idea. It will not make blocks smaller - it will make them bigger and just wrong.

I'm not sure how deblock_qed works but usually deblock deblocks until it's not satisfied (result have no blockiness from it's point of view that depends on it's settings), so chaining it is not effective (if not useless).
Instead it has options (all of them) that affect it's strength. The main one is quant1 (higher means stronger deblock). I've never used it so I don't know how to tune other options it has...

Last edited by vivan; 10th September 2015 at 14:15.
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Old 10th September 2015, 14:23   #12  |  Link
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I'd also try SmoothD2 for deblocking. I've found it quite good indeed
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Old 10th September 2015, 15:20   #13  |  Link
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Quote:
Originally Posted by vivan View Post
No, if your video is progressive it's a bad idea. It will not make blocks smaller - it will make them bigger and just wrong. Instead it has options (all of them) that affect it's strength. The main one is quant1 (higher means stronger deblock). I've never used it so I don't know how to tune other options it has...
OK. Neither do I, the doco is a tad underwhelming in explanation-for-dummies. I did see this
Code:
Deblock_QED(quant1=18,aOff1=16,quant2=28,aOff2=11) # (suggested by Didee for HD material somewhere).
Although this http://forum.doom9.org/showthread.ph...87#post1456387 says
Quote:
Wrong filter for this crappy mess. You don't use razorblades to fell a tree. Try ... Deblock(50)
which seems a tad strong given
Quote:
quant: 0 to 51 (default: 25) Emulated Quantizer. Specifies strength of the deblocking process.
and this http://forum.doom9.org/showthread.ph...741#post944741 says
Quote:
With increasing "severe-ness" of blocking artefacts, deblock_qed becomes more and more counter-indicated: Such stuff *needs* block-interior smoothing, and deblock_qed is mostly about *avoiding* block-interior smoothing.
So now I'm confused. I guess I'll look at increasing quant1, aOff1, bOff1 ... and then try DGIndex's Deblock/BlindPP at http://rationalqm.us/dgmpgdec/DGDecodeManual.html

http://avisynth.nl/index.php/Deblock_QED says
Quote:
Syntax and Parameters
DeBlock_QED (clip clp, int "quant1", int "quant2", int "aOff1", int "bOff1", int "aOff2", int "bOff2", int "uv")

clp clip = Input clip.
quant1 int = 24 Strength of block edge deblocking.
quant2 int = 26 Strength of block internal deblocking.
aOff1 int = 1 Halfway "sensitivity" and halfway a strength modifier for borders. Setting it higher means than more edges will deblocked.
aOff2 int = 1 Halfway "sensitivity" and halfway a strength modifier for block interiors.
bOff1 int = 2 "Sensitivity to detect blocking" for borders. There again, the higher, the stronger.
bOff2 int = 2 "Sensitivity to detect blocking" for block interiors.
aOff and bOff controls block detection and removal strength, for quant1 and quant2 respectively. See DeBlock for more information.
uv int = 3 Deblock chroma:
2 : Copy chroma from source.
3 : Process chroma.
1/-1 : Process chroma with normal/strong Deblock().

And http://rationalqm.us/dgmpgdec/DGDeco...l.html#BlindPP says
Quote:
BlindPP(quant=2, cpu=6, iPP=false, moderate_h=20, moderate_v=40)
quant: 0 to 31 (default: 2) Emulated Quantizer. Specifies strength of the deblocking process.
cpu: 0 to 6 (default: 6) Same function as in MPEG2Source(), but with different default value.
iPP: true/false (default: false) Same function as in MPEG2Source(), but with different default value. Automatic-mode is NOT available.
moderate_h, moderate_v: 0 to 255 (default: moderate_h=20, moderate_v=40) Block Detection Sensitivity. (moderate_h=horizontal, moderate_v=vertical) Smaller values are stronger, use with care.
So I suppose could try starting with
Code:
BlindPP(quant=10, cpu=6, iPP=false, moderate_h=15, moderate_v=30)
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Old 10th September 2015, 15:54   #14  |  Link
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Hmm neither of these seemed to do much
O=LAST
#P=Deblock_QED(quant1=48,aOff1=24,bOff1=24,aOff2=24,bOff2=24,uv=-1)
P=Deblock(quant=51,aOffset=24,bOffset=24)
dcwbox8(O,"original",P,"deblocked") # slice O and P into 8x8 and splice into O/P/O/P/O/P/O/P vert and horiz, label each splice, and present as single composite frames
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Old 10th September 2015, 15:59   #15  |  Link
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Quote:
Originally Posted by Boulder View Post
I'd also try SmoothD2 for deblocking. I've found it quite good indeed
OK, a test for tomorrow.

http://forum.doom9.org/showthread.php?t=164800
http://avisynth.nl/index.php/Externa...ers#Deblocking
https://sites.google.com/site/jconkl...othd2/download

Last edited by hydra3333; 11th September 2015 at 03:23.
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Old 10th September 2015, 21:23   #16  |  Link
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When you cascade smoothd2(quant=31) say 4...8 times you will definitely see it's impact, but I'm not sure whether you like the "wax" picture any more ....
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Old 11th September 2015, 04:02   #17  |  Link
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From a couple of quick tests this seemed to help.
Code:
SmoothD2(quant=5, qtype=4, num_shift=3, ncpu=4)
SmoothD2c(quant=5, qtype=4, num_shift=3, ncpu=4)
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Old 11th September 2015, 04:13   #18  |  Link
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The source looks like it really cannot be saved by any deblocker because there are no details to restore I've sometimes used quite unorthodox measures with such sources by replacing the extreme blocking with noise.

So maybe something like FFT3DFilter(sigma=5) + GrainFactory3(20,30,40) would help you? I would first use FFT3DFilter, then downsize to 720x576, do the framerate conversion, add noise and finally do whatever you need to do to get the final format you want (depending on whether you are going for case i or ii you mentioned).
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Old 11th September 2015, 09:11   #19  |  Link
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Good idea to add noise, Boulder!
How about this (probably a bit overdone)?
Code:
FFT3DFilter(sigma=5)
spline16resize(720,576)
AddGrainC(var=150.0, uvar=0.5, hcorr=0.0, vcorr=0.0, seed=-1, constant=false, sse2=true)
FFT3DFilter(sigma=5)
QTGMC(preset="medium", InputType=1)

Last edited by Sharc; 11th September 2015 at 09:45. Reason: Added QTGMC
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Old 11th September 2015, 15:33   #20  |  Link
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Interesting! So is the below, based on yours. I must try full encodes and watch the variations on the telly.
Code:
LAST.HEIGHT==1080 ? AddBorders(0,0,0,8) : LAST 
O = LAST
SmoothD2(quant=5, qtype=4, num_shift=3, ncpu=4) 
SmoothD2c(quant=5, qtype=4, num_shift=3, ncpu=4) 
FFT3DFilter(sigma=2) 
#LAST.HEIGHT==1088 ? cropbottom(8) : LAST 
#ColorMatrix(interlaced=true,mode="Rec.709->Rec.601") 
# for test purposes, leave it at full size
#Spline36resize(720,576) 
AddGrainC(var=2.0, uvar=0.5, hcorr=0.0, vcorr=0.0, seed=-1, constant=false, sse2=true) 
#FFT3DFilter(sigma=1.5) 
#QTGMC(preset="medium", InputType=1) 
LimitedSharpenFaster(smode=4,strength=100) 
P = LAST
boxify8x8(O,"original",P,"deblocked")

Last edited by hydra3333; 11th September 2015 at 15:36.
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