New free tool you always wanted!

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Andrew Kolakowski

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New free tool you always wanted!

PostSat Apr 18, 2020 2:57 pm

In the name of the developer I'm writing about this new cool app which is free and works on PC, Mac and Linux:
http://mogurenko.com

Some videos from the author (app been progressing nicely):




Note: treat it as a BETA version, so the best to copy every source file you are trying to process. You use it on your own risk!
It has been tested, but not crazy intensively and due to fact that many apps produces MOV files which are not necessarily according to spec you may end up with a corrupted file.

App has 3 main tabs: Frame Editor, Metadata Editor and File to File:

Image

1. Frame Editor allows you to patch a single frame (or its part) or blur chosen area. It supports only ProRes files.
For example. You produced a master and found frame with some small dropout and want to fix it. Instead of using an editor, fixing it there and then exporting new file, you can do it way faster.
You browse to the problematic frame and export it as PNG (it's 16bit to save bit precision). You load it to some tool, eg. Photoshop and fix the problem. Export back to 16bit PNG. Then in tool you load fixed PNG and app will automatically replace it in your file (moment you load PNG, so be aware!). This happens in-place and it's basically instant. App uses custom ProRes encoder which is way better than ffmpeg one.
Other current possibility is blurring. You set IN/OUT, region with sliders and press blur. This will blur chosen area (between IN/OUT). If you press "Blur" again then it will blur more. Again- changes are instant and can't be undone. In this case only chosen area is re-encoded.
2. Metadata Editor allows you to patch ProRes private headers as well as MOV container headers. MOV headers can be adjusted for different codecs, not just ProRes (in this case Frame Metadata is greyed out):

Image

"Frame Metadata" allows to change ProRes private headers. Each ProRes frame stores own info about different parameters. You can adjust as you desire (most apps don't write aspect or frame rate info, so you can leave it as is) and Apply. App will go through whole file and replace info for each frame. It's quite fast even for big files (I tested 300GB files and it took about 3 min., file was on fast storage). If you press cancel before app finishes then some frames will be adjusted, but rest won't. It's not end of the world as most tools read container headers, so your file will still work fine. This option is just to produce "perfect" files (ProRes metadata should be aligned with MOV headers).

"Timecode" is self explanatory. You can adjust existing info, add/remove Reel Name. You can add timecode info if not present at all (atm. there is no remove TC track option). Timebase is just an info (it's close to fps although not exactly the same, eg. 23.976 and 24 will have timebase as 24). For "NTSC" based files you can set Drop Frame flag to True or False.

"Pixel Aspect Ratio" allows you to set desired values, which is very important for SD files. HD files are basically always 1x1, except some DVCProHD or HDV files when it's 4x3.
Provided presets are not so useful in my opinion. Best to use Custom and type own values:
PAL 16x9 (modern file with 720 active lines) = 64x45
PAL 4x3 (modern file with 720 active lines) = 16x15
NTSC 16x9 (modern file with 720 active lines) = 32x27
NTSC 4x3 (modern file with 720 active lines) = 8x9
For old "analog" spec files with clean aperture you need to use different value and also add Clean Aperture info. I will write about it later.

"Field Order"- for interlaced files you use (not so sure why, but this is correct flagging):
Top Field- Top stored First, Bottom displayed First
Bottom Field- Bottom stored First, Top displayed First
This is also very useful option when you have a progressive master, but you need to deliver to broadcast which requires interlaced flagging. In this case you can just re-flag file quickly as Top Field.
Note: we can't change between interlaced and progressive on ProRes private headers as it would corrupt decoding. In order to do it we would have to re-encode file. Fortunately it's typically not needed in order to make file acceptable by "broadcasters". MOV headers flagged as TFF/BFF should be enough.

"Color" - you can adjust exiting values (ideally ProRes private headers should match these settings), remove info or add if not existing in file. Typically Rec.709/Rec.709/Rec.709 is used for HD SDR, as well as BT.2020/PQ (or ARIB-STD-B67 for HLG)/BT.2020 for HDR files. Sometimes Color Primaries can be set to P3 D65 (if we exported from Resolve as P3 D65, not BT.2020). It's quite important not to mix those 2 and always check what client wants- P3 D65 or P3 D65 graded, but exported within Rec.2020.

"Gamma"- adds "old" gamma tag. This can be useful for tagging files with eg. Rec.709 gamut, but 2.4 gamma. In this case you set Transfer Function to "Unspecified" and add gamma as 2.4. This is exactly what current Resolve does for Rec.709 2.4 gamma files. It's understood by Resolve itself, OSX color engine (QT X, Safari etc) and Baselight.

"Move headers to the end of file"- if file is exported for streaming then all of this info is at the beginning of MOV file. In this case it's possible only to adjust values, but there is not much room to add info if it's not present (typically there is some space, but depending which tool exported file it can be very small). In such a case tabs will be greyed out and "Move headers to the end of file" will be active. In order to have possibility to add all needed info headers can be moved to the end of the file where we can add as much as we want (we just make file bigger). Of course this stops file to be streaming ready. Maybe later there will be an option to move headers back to the beginning (this require re-writing whole file though).

3. File to File it allows to insert section from one file to another ( ProRes only ):

Image

It's similar to Frame Editor, but you can replace long sections. You load source and target files. Set IN/OUT for both and hit Apply.
This will take IN/OUT section from source and insert to target file starting from specified IN point there. Target OUT point is more important than IN, so if you set 5seconds for source, but only 3 for target then only 3 seconds will be inserted. App will take each frame and insert to target replacing original frame. Due to VBR nature of ProRes frame will be encoded to exactly match size of the target frame. This means that you should not try to replace black frames (or fades) at target with "normal" video as you will get bad quality. For similar nature source/target footage it will all work absolutely fine. If you have (or not ) audio in your source file app will only replace video in the target.
Further notes from the author:
- there are not many sanity checks like fps or field order or chroma subsampling. In other words, it’s up to a user if he/she wants to replace 23.98 sequence with 29.97…
- Chroma subsampling: if Target and Source files have different chroma subsampling the source video will be decoded and chroma will be up/down sampled.
- Field Order: if Target and Source files have different field order the source video will be decoded and encoded back as it has the same field order (Note: If you insert interlaced video to progressive video will be encoded as progressive but without deinterlacing)

ProRes Frame Metadata, and Timecode tabs have own Apply buttons, where others have Apply button in the right, bottom corner (so you need to press it). You can then Eject file and open again to check if changes have been made. Because tool works mainly instantly when you press Apply it's basically done. It's bit strange at the begging as you are not sure if it's done or not :) This may change to give user more feedback.

One more time- treat tool as a BETA and copy all source file before making adjustments.
There are many more features planned.
Please report bugs, desired features etc. The more feedback the faster app will become stable and even more useful.
Last edited by Andrew Kolakowski on Thu Apr 23, 2020 8:02 pm, edited 9 times in total.
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antoine

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Re: ProRes and MOV patcher

PostSat Apr 18, 2020 3:55 pm

Awesome, great work Alex !
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Uli Plank

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Re: ProRes and MOV patcher

PostSat Apr 18, 2020 3:57 pm

From the functionality, it reminds me of a small part of a very expensive professional software: cineXtools.
I didn't try it yet, but if it works well, that's impressive!

BTW, you can test cineXtools for free for a full month now.
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Andrew Kolakowski

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Re: ProRes and MOV patcher

PostSat Apr 18, 2020 5:13 pm

It can be more powerful than cinextools, which cost small fortune.
It all depends if we can keep Alex motivated :)

Cinextools are ok (except terrible GUI), although have bugs which they fix very slowly.
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Uli Plank

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Re: New free tool you always wanted!

PostSat Apr 18, 2020 11:36 pm

Agreed to both points.
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostSun Apr 19, 2020 7:27 pm

Linux version will be coming at some point as well.
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waltervolpatto

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Re: New free tool you always wanted!

PostMon Apr 20, 2020 2:58 am

does works with h264 files?
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Uli Plank

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Re: New free tool you always wanted!

PostMon Apr 20, 2020 3:05 am

Clearly says ProRes only. Most features would be very complicated with any GOP format.
CineXtools even needs ProRes converted to constant frame sizes, while ProRes normally has a limited degree of VBR.
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Steve Fishwick

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Re: New free tool you always wanted!

PostMon Apr 20, 2020 6:15 am

Forgive my ignorance but the functions that are only ProRes - most of it from what I can see - will mean it's of quite limited use on Windows? Or does it allow you to use Prores with the special encoder on Windows?
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Re: New free tool you always wanted!

PostMon Apr 20, 2020 7:18 am

It has absolutely the same functionality on all 3 platforms.

P.S. Andrew, thank you for that detailed review
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostMon Apr 20, 2020 8:28 am

Frame fixing/bluring, file to file inserts are only for ProRes.
MOV headers editing for any MOV file.
Functionality is the same for all platforms.
Last edited by Andrew Kolakowski on Mon Apr 20, 2020 8:44 am, edited 2 times in total.
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostMon Apr 20, 2020 8:29 am

Uli Plank wrote:Clearly says ProRes only. Most features would be very complicated with any GOP format.
CineXtools even needs ProRes converted to constant frame sizes, while ProRes normally has a limited degree of VBR.


It goes beyond this. Frames are encoded to exactly same size as in destination file, so there is no need for any padding. In case source frame fits into size of target frame then there is no re-encoding at all. It's quite advanced system.
File to File functionality will be extended to other codes, like DNxHD/R but you will have to provide already encoded DNxHD/R source patch.
There may be MXF headers editing ( also DPP metadata) as well. I also hope for audio editor- so adding/removjng tracks, swppaing audio track order, adding languages/track layout tags.
Last edited by Andrew Kolakowski on Mon Apr 20, 2020 10:10 pm, edited 1 time in total.
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Uli Plank

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Re: New free tool you always wanted!

PostMon Apr 20, 2020 9:17 am

Wow.
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Re: New free tool you always wanted!

PostMon Apr 20, 2020 12:42 pm

Is it possible to add tags editing option for MP4 format in the future?
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostMon Apr 20, 2020 2:46 pm

I assume yes as it's about the same as MOV.
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Re: New free tool you always wanted!

PostWed Apr 22, 2020 5:28 pm

This looks very promising.

One question, why blur? Just trying to understand what workflow you are doing where you would need to selectively go into a master and blur a shot.

Does this happen a lot to others?
(Can't say it's ever been on my radar as a requested option)

The idea of inserting shot changes afterwards would be magical, especially if we could get it onto DNXHD as well...but i don't understand the blur tab.

Well done either way.
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostWed Apr 22, 2020 7:24 pm

This is for blurring faces, which I think Alex was originally developing for someone.
Assume you have hundreds of videos where you need to blur faces for some shots. How long would it take you in NLE, where you have to export whole videos back?
You can then combine this with some AI framework to recognise face (or car plates) and do everything automatically very quickly. Quite powerful. From post point it's nothing that interesting, but then you can fix any dropouts, which is very interesting.
It just shows that you can re-encode portion of the frame when it comes to ProRes (and I f you know very well how codec works). This is very unique option which no one (as far as I know) is doing.
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Re: New free tool you always wanted!

PostWed Apr 22, 2020 8:55 pm

Interesting...i guess when i have to do things like that, it is more of a "that guy there didn't sign a release...everyone else did" so it would be more of a look for the 1 A-hole and leave everyone else alone. :)


I did just try it on a 90 min UHD doc, that just changed 1 graphic at the end of the program, after having been mastered out.

Saved me a ton of time, and seems to have been perfectly frame accurate.

Excellent work.
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostWed Apr 22, 2020 10:38 pm

Just remember to make a copy of original source as we still keep finding doggy files which need another exception in code. Even if 99% files should be fine (all straight exports from Resolve, Premiere, FCP etc.) there always may be some odd one, which can get corrupted. Hex adjustments are dangerous when go badly :)

Known issue.
There are files which were eg. made of 50i + 25p and joined in QT7 (or smart exported in Premiere). Then you assume file is interlaced, but at some point it changes to progressive, so you have to detect it. New version coming soon can handle such a files. Current will break them.

Keep checking link from 1st post for new version.
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Uli Plank

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Re: New free tool you always wanted!

PostThu Apr 23, 2020 5:05 am

You wrote: "Due to VBR nature of ProRes frame will be encoded to exactly match size of the target frame. This means that you should not try to replace black frames (or fades) at target with "normal" video as you will get bad quality. For similar nature source/target footage it will all work absolutely fine."

It would be interesting if the ReWrap tool from Cinedeck or their Plug-Ins for padding to a constant bit rate will get us around this limitation.

BTW, if someone wants to compare: CineXtools is free for one month. One of those marketing approaches during Covid-19 crisis, after that it'll probaly be very pricey again…
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostThu Apr 23, 2020 8:51 am

They approach is simpler. They use Apple SDK which doesn't allow for some of the needed possibilities.
They simply change file to CBR nature, where each frame has maximum bitrate allowed.

It will solve this problem as in padded file all frames will be as big as ProRes encoder is allowed to create (regardless if they are black etc.), so any frame can be replace with any content. It will cost you time and disk space though. You have to create CBR padded source and then at the end (if you want/need) also VBR "normal" final file. In majority cases you rather replace existing frames with something similar. If you have many places where you change shots you may do it in NLE- it may not be slower than cinextools.
At the end you can combine both ways and have "perfect" solution.

DNxHD or DNxHR uses strict content frame size anyway, so they work straight away without padding.
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostThu Apr 23, 2020 4:26 pm

Versions 0.35 is ready. Few GUI fixes and update for hybrid (interlaced+progressive) files playback and patches.
Also file to file patching for ProRes in MXF now available.
Main change- Linux version is now available!
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Re: New free tool you always wanted!

PostSat Apr 25, 2020 9:03 am

waltervolpatto wrote:does works with h264 files?

I plan add H264 "File to File" insert, hopefully in June if I have enough time
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Re: New free tool you always wanted!

PostSat Apr 25, 2020 9:09 am

Uli Plank wrote:BTW, if someone wants to compare: CineXtools is free for one month. One of those marketing approaches during Covid-19 crisis, after that it'll probaly be very pricey again…


If you really want to compare with Cinedeck, you can try routines where Cinedeck does re-encode. for example insert from ProRes HQ to ProRes XQ (or vice versa)... Cinedeck treats colors really badly (clips range, converts always using rec709 matrices...)
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Uli Plank

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Re: New free tool you always wanted!

PostSat Apr 25, 2020 11:32 am

Reports can go as commentaries in his blog, right?
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostSat Apr 25, 2020 1:51 pm

Yes, or here as well.
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Re: New free tool you always wanted!

PostMon Apr 27, 2020 6:51 am

Dmitry Shijan wrote:Is it possible to add tags editing option for MP4 format in the future?

Yes its possible with latestes version, still experimental though
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Re: New free tool you always wanted!

PostMon Apr 27, 2020 9:12 am

The 2020.4 version of Avid MC, released later today finally adds Prores encoding on Windows, so I'll be looking at this tool closer then, thanks.
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Re: New free tool you always wanted!

PostMon Apr 27, 2020 9:49 am

V0.4 adds:
- editing HDR metadata in MOV/MP4 (there is no other single tool which allows for it)
- initial MP4 headers editing (files from Premiere may not load)
- improvements to file to file inserts
Last edited by Andrew Kolakowski on Mon Apr 27, 2020 9:51 am, edited 2 times in total.
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Re: New free tool you always wanted!

PostMon Apr 27, 2020 9:50 am

Steve Fishwick wrote:The 2020.4 version of Avid MC, released later today finally adds Prores encoding on Windows, so I'll be looking at this tool closer then, thanks.


If ProRes export is not in Resolve v17 then I'm really disappointed.
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Re: New free tool you always wanted!

PostMon Apr 27, 2020 10:30 pm

Can you explain more about the "custom ProRes encoder that's better than the ffmpeg one"? I'm looking to improve my workflow, which includes transcoding H.264 to ProRes on Windows using ffmpeg.
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Re: New free tool you always wanted!

PostTue Apr 28, 2020 8:24 am

There is no transcoder provided, so it can't be used for transcofing from other formats.
It's private code.
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Re: New free tool you always wanted!

PostThu Apr 30, 2020 4:04 am

Is this ProRes encoder certified and approved by Apple?
If not, i'm going to remove this thread.
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Re: New free tool you always wanted!

PostThu Apr 30, 2020 6:22 am

Peter Chamberlain wrote:Is this ProRes encoder certified and approved by Apple?

But its not about encoder its about tool.
Peter Chamberlain wrote:If not, i'm going to remove this thread.

In that case you should be consistent and remove all posts about ffmpeg based tools.
btw are you ok that Resolve use tons of non-certified decoders/encoder from FFmpeg? ;-)
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Uli Plank

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Re: New free tool you always wanted!

PostThu Apr 30, 2020 7:36 am

Relax, folks. Can't we continue to discuss the tool and not mention ProRes anymore?
It's not usable as a general encoder anyway.

I understand your concerns, Peter, but it's also true that ffmpeg is mentioned a lot on the forums.
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostThu Apr 30, 2020 8:24 am

There is no encoding provided at all, only patching existing ProRes data. A lot of other functionality has nothing to do with ProRes at all.
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Re: New free tool you always wanted!

PostFri May 01, 2020 2:04 pm

da8eat1 wrote:
Peter Chamberlain wrote:Is this ProRes encoder certified and approved by Apple?
But its not about encoder its about tool.
A tool that in some cases involves encoding

da8eat1 wrote:are you ok that Resolve use tons of non-certified decoders/encoder from FFmpeg? ;-)


I haven't noticed that, would you have more information ?
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostFri May 01, 2020 2:57 pm

Resolve uses code from ffmpeg, eg. MP4 (and MOV most likely) container is written with ffmpeg code (at least on PC and most likely Linux). Look at installation folder. What do you think those are: avcodec-57.dll, avformat-57.dll, avutil-55.dll ? Also look at Third Party Licenses.rtf file. Resolve uses quite a lot of 3rd party code.
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Andrew Kolakowski

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Re: New free tool you always wanted!

PostFri May 01, 2020 4:39 pm

antoine wrote: A tool that in some cases involves encoding

Yes, but you have to provide valid ProRes file on input and output.
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Re: New free tool you always wanted!

PostFri May 01, 2020 4:49 pm

antoine wrote:A tool that in some cases involves encoding

First of all its not always true, tool tries to go without re-encoding wherever its possible.
Even if it does encoding you cannot use it outside the tool (which you can do for sure with ffmpeg which is not prohibited here)

antoine wrote:I haven't noticed that, would you have more information ?

sure, Resolve delivered with libavformat and libavcodec libraries, which automatocally means they deliver 2 non-certified prores encoders as well as 2 non-certified prores decoders...
I dont have list of all codec Resolve use from ffmpeg but for sure I can say they use MPEG4 encoder
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Re: New free tool you always wanted!

PostFri May 01, 2020 5:05 pm

Just to make things clear last 4 days I knocking all doors possible to get any feedback from Apple legal department
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Re: New free tool you always wanted!

PostSat May 02, 2020 5:13 am

It already works quite well here. Impressive! But as we all know, humans are never satisfied ;-)

It would be great if we could scale the PNG to be inserted with the program. Sure, one could do that outside with other software, but since this is all about speed and last-minute corrections, it would be helpful.
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da8eat1

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Re: New free tool you always wanted!

PostSat May 02, 2020 8:22 am

Uli Plank wrote:It already works quite well here. Impressive! But as we all know, humans are never satisfied ;-)

It would be great if we could scale the PNG to be inserted with the program. Sure, one could do that outside with other software, but since this is all about speed and last-minute corrections, it would be helpful.


that's not a problem to implement scale, but there are tons on pitfalls (like keep aspect ratio, what scaling algorithm to use, scaling alpha so on)
so even if I go for it first I would need to implement the ability to preview how final result will look like so user sees and understands if she/he wants it
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Uli Plank

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Re: New free tool you always wanted!

PostSat May 02, 2020 2:14 pm

Understood.
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Uli Plank

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Re: New free tool you always wanted!

PostSat May 09, 2020 3:34 am

When I tried to put a logo into a file, I had this situation after going back to the logo to change its size:

Bildschirmfoto 2020-05-09 um 10.28.20.png
Bildschirmfoto 2020-05-09 um 10.28.20.png (437.26 KiB) Viewed 4448 times


I could not move the left side of the sliders any more and the right side had disappeared. Jumping to another tab fixed it, no even a restart needed.

Typing I and O for in and Out works in the Frame Editor, but not in File To File.

JKL functionality would be nice too.
Resolve Studio 16.2.2 and Fusion Studio under MacOS Mojave 10.14.6
iMac 2017 Radeon Pro 580 8 GB VRAM and 32 GB RAM
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da8eat1

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Re: New free tool you always wanted!

PostSat May 09, 2020 6:13 am

Uli Plank wrote:Typing I and O for in and Out works in the Frame Editor, but not in File To File.

mind the are 2 players in "File 2 File" and keys work only for the active one. you can click on preview window to select active player
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Uli Plank

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Re: New free tool you always wanted!

PostSat May 09, 2020 8:25 am

Yes, that's understood. But since one is logically thinking of the sliders below as belonging to the respective preview, one would expect it to stay active.
If I touch any of the sliders and then move the playhead, I can't use those keys anymore. I'd say if one touches one of the playheads, the keys should be activated again.
Resolve Studio 16.2.2 and Fusion Studio under MacOS Mojave 10.14.6
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Jean Paul Sneider

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Re: New free tool you always wanted!

PostSat May 23, 2020 8:56 am

Wonderful tool!
Thanks so much for sharing, really generous of you!
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iddos-l

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Re: New free tool you always wanted!

PostWed Jun 10, 2020 6:56 pm

Hi
Just wanted to say thank you so much for this awesome tool.
This is just brilliant.
Keep up the good work.


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da8eat1

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Re: New free tool you always wanted!

PostWed Jun 17, 2020 5:22 pm

Thanks everyone for the feedback.
I have a bit more free time now so open for requests
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