I have a small file called remove_meta.bat:
@echo off
setlocal enabledelayedexpansion
:: Check if a file is provided
if "%~1"=="" (
echo No file provided. Please drag a file onto the script.
pause
exit /b
)
:: Get the input file path
set "input=%~1"
:: Check if the file exists
if not exist "!input!" (
echo File not found: "!input!"
pause
exit /b
)
echo Deleting metadata from "!input!"
:: Generate the output file name (same name as input but with '_no_metadata')
set "output=%~dpn1_no_metadata.mkv"
:: Run the FFmpeg command with reduced verbosity, suppressing progress messages
ffmpeg -i "!input!" -map_metadata -1 -map_chapters -1 -c copy -loglevel error "!output!"
:: Check if FFmpeg ran successfully
if errorlevel 1 (
echo FFmpeg failed to process the file.
pause
exit /b
)
echo Process complete: "!output!"
pause
I can drop a .mkv video file on it and it removes all the metadata and writes a new file with _no_metadata appended to the file name... Very fast.
You might copy and paste this into notebook and save it as a .bat file, where ever.
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@ProWo
Idea for presets.
If you want to use the same video values for resize, brightness, contrast, pixel format, and encoder settings at once over and over again, you could use a batch task for this.
With replicate batch 0, you can apply the settings to other added media files.
If you could now save this batch 0 task under a separate name and reload it, you would essentially have presets.
Of course, the save and load function only applies to batch 0.
This would allow you to create presets for all kinds of settings in one central location.
It could look like this:
[Attachment 90620 - Click to enlarge]
[Attachment 90621 - Click to enlarge]Last edited by Findu; 2nd Jan 2026 at 15:11.
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Sooo...
Go through the process of setting up a file to convert to something else and send it to the batch.
Then anytime I wanted to use all of those same settings I could drop the file in the batch and disable batch 0 to run it.
Am I seeing that right?
I'm not sure how the save works. I don't see a way to save the batch or go back into the main page from there.
edit to add - the save function isn't there now?Last edited by tb52; 2nd Jan 2026 at 17:17.
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I'm new to all of this really and need to try numerous settings to check resulting video, converting SDR to HDR. Being able to go into the adjustments and just tweak one or 2 numbers from where they were would be helpful in that. I use a text file to keep track now.
To create the batch file I would have to go through all the test runs... and then drop new files in?
I would do the same just using the new files and then send those to the batch.
Creating the batch file to add things to would be an empty exercise. I'm not trying to be flippant or anything.
It's just a few numbers in any case and I can deal with it.Last edited by tb52; 2nd Jan 2026 at 17:44.
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Question: Don't you set your values for brightness, contrast, saturation and gamma, check what it looks like with the (live) preview button, repeat this (change & inspect) until the settings are right, and only then leave the window for video image adjustment filters?
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@ProWo
The marked box is 2 pixels further to the left than the others.
[Attachment 90634 - Click to enlarge] -
I need to make a sample to inspect. That's outside the adjustments panel. When I do that and go back into that panel, all the values are reset to default. It's only a few numbers and not a big deal. My 'workflow' might be different than others as I'm new to working even this closely with FFMpeg.
Last edited by tb52; 3rd Jan 2026 at 09:12.
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@ProWo
3.5.0.02 feedback
You get this error extracting video streams as container:
All other extractings work well.
System.FormatException: Die Eingabezeichenfolge hat das falsche Format.
bei Microsoft.VisualBasic.CompilerServices.Conversions .ParseDouble(String Value, NumberFormatInfo NumberFormat)
bei Microsoft.VisualBasic.CompilerServices.Conversions .ToBoolean(String Value) -
@ProWo
3.5.0.03 feedback
Extracting streams via batch now works as expected. Thank you for fixing it.
"Remove source metadata" works well for mp4 and mkv files.
But the wrong tooltip get displayed.
By the way, it also removes metadata from added files, so you could rename it to "Remove metadata".
Would'nt it make sense to activate it by default?
Could you also add "-map_metadata -1" to "Simple remux" so you can replicate batch 0 to just remove metadata for multible files.
Keep user settings and reset for "Video image adjustment filters" is working well.
And thank you for the other minor changes. -
You get this message (but only) when you extract chapters via batch and open the Mux page.
[Attachment 90656 - Click to enlarge]
But the chapters get loaded and you can mux them as well.
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The tooltip for Multiplex (Streams) Hidden should be "Sum of hidden streams." -
The subtitle/closed caption of a ts file is part of the video. There is no stream for this subtitle. When Clever encodes a ts file, the subtitle/closed caption is not saved.
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If your source have an EIA 608 closed caption subtitle you must first extract it (Button on main page).
If successful, it's extracted as srt file (text subtitle).
Then your can recode the video.
After recoding the video, you can add the extracted srt subtitle in multiplex. -
Thanks for that change. It works perfectly.
And thanks for these instant updates. I've never seen an author/coder/developer respond anywhere close to this. The crew on this forum really puts you through it
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"Remove source metadata" can be selected on the Multiplex page at the Other Settings section.
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@ProWo
Would it also make sense to add "Fast start" and "Global title" (when it is selected) for Simple remux?
So you could also batch fast start or remove or set a global title for multiple files. -
Dear ProWo,
I used your Batch function last night for the first time.
It is absolutely amazing.
Bravo !!
I had approximately 150 mp4 videos (avhcd and aac) to convert.
First I specified to encode the aac audio to AC-3 256kbps 48000Hz for compatiblity with my old set top Blu-ray player.
Then I specified to remux the mp4 video portions with the newly created AC-3 audio files into m2ts containers so that I could burn the files into a BD-R disc with a menu. That is what plays most smoothly on my old Blu-ray player.
It worked, but here are some observations.
1. After I added the mp4's to the Batch list for remuxing, I was presented with 150 AAC files in the list that had to either be hidden or removed.
As far as I can tell, there is no way to specify in the batch list a particular file type for selection nor is there a way to re-order the list to put all of the files of a particular type one after another, nor was I able to figure out a way to click on a single file, hold down shift, click on the last file and have all files in between be checked. This mean't I had to find and click all 150 files one by one.
2. I made a mistake and included a file that I should not have. The program detected the error and brought up a notification box. After clicking on the OK button of the notification box, all of the selected (checked) files were automatically unchecked meaning I had to start from scratch selecting the 150 files to remove or hide.
3. After remxuing, all of the newly created AC-3 files are deleted automatically. If I made a mistake, I would have to re-create all or some of them. Could you provide an option to not delete them?
I hope these observations are helpful to you.
Thanks. -
One other observation.
Once you hide any file or group of files, you cannot add to the hide list.
The Hide button is replaced with an Unhide button.
Could you please have the Hide button remain in addition to the Unhide button.
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