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Old 12th June 2020, 07:16   #441  |  Link
gpower2
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Quote:
Originally Posted by tormento View Post
@gpower2

Sometimes I have to extract the same tracks from different files, where the only thing that changes is the file name.

In the mean time that you find a solution, could you expose the command line, such as mkvtoolnix-gui.exe does?

So I can create batch file, while you are thinking to how to automatize that.
Hi @tormento!

Since gMKVExtractGUI supports batch mode, I can't see the reason to expose the command line. For your scenario, you can add multiple files from different folders and use the context menu (right-click) and select the same track at once. You can even add jobs and run them at a later time as a batch.

To cut a long story short, current design in gMKVExtractGUI calculates the command line just before it executes it, so it's not easy to expose that beforehand wihout rewriting a significant portion of the current codebase.

If you can elaborate on your scenario, perhaps I can provide with a new functionality or improve the existing ones.

Thank you very much for your feedback!
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Old 12th June 2020, 18:07   #442  |  Link
Perenista
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This program is not extracting the audio properly. It's limiting a 14 h 57 min file into 2h31m54s.

This is the file I am talking about:
https://pastebin.com/MGHTc669

Also, check what I said here about it:
https://forum.doom9.org/showthread.php?t=175593&page=20

The entire 14h Matroska file is OK... I can listen to the entire audio track. It's just that I can't extract as WAV 100%. Why is it limiting to 2 hours?

EDIT: Trying this now: https://www.easytechguides.com/extra...rom-video.html

Last edited by Perenista; 12th June 2020 at 20:58.
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Old 12th June 2020, 18:24   #443  |  Link
stax76
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Maybe it has something to do with the wav format:

https://en.wikipedia.org/wiki/WAV#Limitations

I suggest to use ffmpeg and W64 format.

Last edited by stax76; 12th June 2020 at 18:28.
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Old 12th June 2020, 21:09   #444  |  Link
Perenista
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Quote:
Originally Posted by stax76 View Post
Maybe it has something to do with the wav format:

https://en.wikipedia.org/wiki/WAV#Limitations

I suggest to use ffmpeg and W64 format.
It worked. But I tried with Audacity first, as instructed in this site:

https://www.easytechguides.com/extra...rom-video.html



Was this the right option? I selected the first, Signed 16 bit PCM.

This is the MediaINFO from the resulted W64 file:

https://pastebin.com/L5nEiBqz

With ffmpeg this site only instructed me to use this command:

ffmpeg -i video.mkv -f w64 -ab 384000 -vn audio.w64

I'll assume only this is needed, right? 384000 was a figure I was thinking about if I wanted to convert to AAC (FDK).

In this case the original audio track had a bitrate of 1 536 kb/s. So the command line, I guess, it would look like this:

ffmpeg -i video.mkv -f w64 -ab 1536000 -vn audio.w64
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extractor, gmkvextractgui, matroska, mkv, mkv extract, mkvextract, mkvextractgui

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