Hi there
I've downloaded the demo version of TMPGenc Video Mastering Works 6 & am hoping to fix up a video that I have a copy of which is wonderful quality, but is missing each second frame, which I think is down to the lower bitrate it has been saved in.
The video itself is in 4:3 & is 960x540. From what I can gather if I enter Deinterlacing settings I can make some changes to the video that may it play more smoothly, but as I don't do this sort of thing often, I'm not sure what settings I should change in TMPGenc in order to make the recording smoother?
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960/540 gives 1.778 in other words 16:9 and secondly i have a feeling your video is not interlaced, otherwise prove it with a picture. Mediainfo is a good tool to know a little more about your video
Last edited by themaster1; 27th Jul 2017 at 13:57.
*** DIGITIZING VHS / ANALOG VIDEOS SINCE 2001**** GEAR: JVC HR-S7700MS, TOSHIBA V733EF AND MORE -
The video itself is in 4:3, and is an episode of Doctor Who, which has been downloaded from Britbox, whereas the actual file is 16:9. I used the ChrisPC software to get it, & this was at the highest setting the software has. I'm presuming the actual settings are how the episodes are being streamed on Britbox?
Last edited by magnu; 27th Jul 2017 at 11:58.
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rookie mistake (i been there)
You should have captured 1080i (interlaced) unless you have deinterlaced the footage while capping. If not it's going to be a mess to fix and in any case subpar quality.
Upload a video sample when you can otherwise i'll not reply anymore in this thread*** DIGITIZING VHS / ANALOG VIDEOS SINCE 2001**** GEAR: JVC HR-S7700MS, TOSHIBA V733EF AND MORE -
Many episodes of that program were created on film and are not interlaced. Likeley it's hard telecined and encoded as interlaced. As stated, we need a sample.
Upscaling SD to HD is a waste of time.- My sister Ann's brother -
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Only one episode was ever created on film & has since been released on Blu-Ray. All of these episodes are from the classic series & were made on video. Many of them were released on DVD & were Vidfired. However, some of the early DVDs were of poorer quality of what has since been made available. They are of superior quality, though I doubt they have been also Vidfired, but I could be wrong? The only problem I can see is the low framerate, & when viewed it results in jerky motion.
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Thanks for the correction about film -vs- video. All of he shows I've seen broadcast over here for the past umpteen years are telecined or use some weird frame structure for NTSC.
Upscaling SD to HD is a waste of time.- My sister Ann's brother -
Here's a small segment from one of the episodes:-
https://files.videohelp.com/u/60264/BritBox%20-%20Doctor%20Who%20Sample.mkv -
If you grabbed the "1080i" version then why is this 960x540 pillarboxed ? There is a chance you can salvage that 1080i version if the fields are intact
That sample is already progressive and deinterlaced (1/2 the frames discarded) , and resized .
Since it's already missing 1/2 the information, nothing will really help. You can try to synthesize every 2nd frame with optical flow techniques, but it runs the risk of artifacts (some types of scenes it works ok, others it fails miserably) -
e.g. avisynth , mvtools2 / mflowfps , to "synthesize" every 2nd frame
https://www.mediafire.com/?deuu7nm12q6ybr5
(For some reason I can't upload clip directly to this site, keeps on failing)
It works ok in that sample clip with only minor artifacts, because there's not a lot of motion . But this is not really a representative clip of lots of scenes in typical Doctor Who . You would expect some scenes to fail a lot worse -
When viewed on BritBox prior to download the 1/2 frames effect is still there. Others that I know of also downloaded the episode at 1080i, as they said it kept the image quality up? I can give it a go at the 720i settings & see how it looks? Don't know about the 960x540 though? Can only assume that's how BritBox are streaming it?
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Maybe they are using a proper downloading method ?
The one you uploaded is not "proper" and already single rate deinterlaced , resized
Code:Width : 960 pixels Height : 540 pixels Display aspect ratio : 16:9 Frame rate mode : Constant Frame rate : 25.000 FPS Standard : Component Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits
The clip I grabbed was in 1080p
You should try for 1080i , or 1080p50 if they had that
What are you using to download ? Maybe there is a better method
You can try to synthesize every 2nd frame with optical flow techniques, but it runs the risk of artifacts (some types of scenes it works ok, others it fails miserably)
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But when you play on BritBox, are there selectable settings or streams ? e.g. can you choose a higher quality one ?
If others downloaded at 1080i , then either they are misreporting, or maybe downloading from another site/source ? , or maybe you should try another method to download . I'm not familiar with BritBox, so I don't know what "works". Or try asking them what they used -
Was the sample you uploaded processed in any other way ? How did you "cut" the sample - "BritBox - Doctor Who Sample.mkv" ?
Let's clarify - by "artifacts" - you mean "not smooth motion" or 25p framerate - is that correct ? Not something else ?
ahhh crap , now I see
Writing application : TMPGEnc Video Mastering Works 6 Trial with Movie Plug-in Version. 6.2.2.29
Writing library : TMPGEnc Video Mastering Works 6 Trial with Movie Plug-in Version. 6.2.2.29
You need to stream copy a sample . I'm guessing you might have botched it with TMPGEnc
First , check with mediainfo view=>text on the original download . Copy & paste the text view back here
https://www.videohelp.com/software/MediaInfo
The report will look like this (but hopefully not this)
Format : Matroska
Format version : Version 4 / Version 2
File size : 5.20 MiB
Duration : 15 s 189 ms
Overall bit rate mode : Variable
Overall bit rate : 2 869 kb/s
Encoded date : UTC 2017-07-28 02:16:43
Writing application : TMPGEnc Video Mastering Works 6 Trial with Movie Plug-in Version. 6.2.2.29
Writing library : TMPGEnc Video Mastering Works 6 Trial with Movie Plug-in Version. 6.2.2.29
Video
ID : 2
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings, CABAC : Yes
Format settings, ReFrames : 8 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 15 s 200 ms
Bit rate mode : Variable
Nominal bit rate : 2 550 kb/s
Maximum bit rate : 10.2 Mb/s
Width : 960 pixels
Height : 540 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Standard : Component
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.197
Writing library : x264 core 148
Encoding settings : cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=1 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / lookahead_threads=1 / sliced_threads=0 / slices=1 / nr=0 / decimate=1 / interlaced=0 / minigop=0 / stitchable=1 / constrained_intra=0 / bframes=3 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=1 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=abr / mbtree=1 / bitrate=2550 / ratetol=1.0 / qcomp=0.60 / qpmin=3 / qpmax=69 / qpstep=4 / vbv_maxrate=10200 / vbv_bufsize=10200 / nal_hrd=vbr / filler=0 / ip_ratio=1.40 / aq=1:1.00
Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 1
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : A_AAC
Duration : 15 s 189 ms
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 spf)
Compression mode : Lossy
Default : Yes
Forced : No -
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Here's the info for the original FLV:-
General
Complete name : C:\Users\William\Documents\ChrisPC VideoTube Downloader\BritBox - Doctor Who S13 E9.flv
Format : Flash Video
File size : 313 MiB
Duration : 25 min 21 s
Overall bit rate : 1 723 kb/s
Video
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings, CABAC : Yes
Format settings, RefFrames : 4 frames
Codec ID : 7
Duration : 25 min 21 s
Width : 960 pixels
Height : 540 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : HE-AAC / LC
Codec ID : 10
Duration : 25 min 21 s
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 kHz / 24.0 kHz
Frame rate : 23.438 FPS (1024 SPF)
Compression mode : Lossy
And here's the MP4 that was downloaded elsewhere:-
General
Complete name : C:\Users\William\Documents\Vuze Downloads\Pyramids of Mars [Digital]\13x09 - 082 - The Pyramids of Mars.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/avc1/mp41)
File size : 312 MiB
Duration : 25 min 21 s
Overall bit rate : 1 720 kb/s
Writing application : Lavf57.71.100
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L3.1
Format settings, CABAC : Yes
Format settings, RefFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 25 min 21 s
Bit rate : 1 621 kb/s
Width : 960 pixels
Height : 540 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.125
Stream size : 294 MiB (94%)
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : HE-AAC / LC
Codec ID : 40
Duration : 25 min 21 s
Bit rate mode : Constant
Bit rate : 96.0 kb/s
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 kHz / 24.0 kHz
Frame rate : 23.438 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 17.2 MiB (6%)
Language : English
Default : Yes
Alternate group : 1 -
This can wait...go take care of your mom
Those are all messed up 960x540 , 25p .
You need 25i (sometimes called 50i , but both mean 50 fields per second interlaced) , or 50p
So the "other people" were wrong about the "1080i" or they have different files that aren't represented here
There are ways to motion interpolate on just on playback too, for example svpflow / smooth video project -
Hi there. Only just had the opportunity to look at that clip & it looks great! I've downloaded AviSynth but not really sure how to go about using it, so if you are able to help me out or point me in the direction to a simple to use page on getting the settings to use to emulate more of what you have done to achieve the effect?
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A bit of a learning curve getting started with avisynth but it's not that bad really once you get started. There is some hassle collecting plugins and dependencies too, because many are developed by various people and distributed separately from the main install
Basic info on getting started
http://avisynth.nl/index.php/Getting_started
Basically you have to "load" a video with a source filter for each script. It's all done in text. You can do it notepad, save it, then change the extension from .txt to .avs . To preview scripts you can use virtualdub / virtualdubfiltermod or avspmod . In the example below, I loaded your sample video with ffms2, using FFVideoSource() . It's a separate plugin
https://github.com/FFMS/ffms2/releases
http://avisynth.nl/index.php/FFmpegSource
For this you could copy & paste and just change the filenames and paths for each video if you wanted to get it done quickly, then look into it in more detail at a later date or adjust some of the filters or settings to tweak the results
There are dozens of different optical flow/ interpolation scrips or variations. Some may produce slightly better or worse results in some situations, but they all fail, (and sometimes very badly, ugly artifacts) in other situations. The most common ones used in avisynth for general use are interframe, svpflow . They are based on mvtools2 as well. I used the most basic variant in that example, with just minor modifications to the overlap and search settings
Code:FFVideoSource("BritBox - Doctor Who Sample.mkv") source=last super = source.MSuper(pel=2) backward_vec = MAnalyse(super, overlap=4, isb = true, search=3) forward_vec = MAnalyse(super, overlap=4, isb = false, search=3) source.MFlowFps(super, backward_vec, forward_vec, blend=false, num=50, den=1)
You need to encode the script. Avisynth is a frameserver, it doesn't produce audio or video by itself. There are various GUI's and CLI applications that have avisynth support
I used ffmpeg, but it's probably not user friendly to use when getting started. For me it's easier to do it that way, but there are GUI's that batch everything like encode video, encode audio, mux, all behinds the scenes. One reason I used it is because I wanted to stream copy the audio , instead of re-encoding it (avoidable quality loss) . So that script only contains video, no audio. When you use avisynth, it frameserves uncompressed audio and video, so generally you can't use "stream copy" with avs, otherwise you are copying uncompressed streams (massive filesizes) , not the original video & audio
Code:ffmpeg -i input.avs -i "BritBox - Doctor Who Sample.mkv" -map 0:0 -map 1:0 -c:v libx264 -crf 19 -c:a copy output.mp4
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