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Here is described how to make virtual sorround sound for headphones. That was written long time before.
How to do this f.e. on Debian 9. Because after that edits which is proposed there I don't see...

So, how to do screencast with ffmpeg with simultaneous capturing internal(which goes to speakers) and with external(which recorded by microphone) sound?

I used a batch command for conversion all avi to mp4 in one folder:



This command produce files like 001.avi.mp4.
How to change this command to remove .avi part from the names of final files?...

See post 18.

It's not driver related bug. Just turn off apport.

Confirm this bug on Ubuntu 11.10 32 bit, flash video freeze in firefox on fullscreen with the latest adobe flashplugin when playing 1080p. It is on nvidia videocard.
Flashplugin was installed from...

It gives an error:



... But when I pointing output file as mkv or avi, it recodes. Maybe options, mentioned in this command, incompatible with mp4?

Yea, thank's, seems you are right. I cropped the height of this test video to 738 by the command:


ffmpeg -i input.avi -vf crop=1028:738:0:0 output.avi

And then recoded it to mp4 with that...

Yes, but I getting an error using this command for avi:



What do I have to change in the command?

I found the asnwer, the command is:



Now I have a question, how to recode all avi files in one directory into mp4 with compression?

What will be command-line or bash-script for batch encoding for all video files in one directory? f.e. for this command:

Talking about "system-wide" istallation on windows -- is the difference between "shared" and "static" builds which are here that shared build is fo system-wide installation and static is not?

Is that the bat-script which you talking about(I changed to "somewhere")?
Actually, I asked about command-line or bash-script on linux, but thanks anyway.
As I understand, there is no difference...

How to do batch encoding for all files in one directory?, f.e. by this command:



I found one example here in post 15, bu I don't know exactly how it will look in my case,
or is there a better...

Yea, and question, what is that?

katya_sehgal, have you entered(in terminal) into that folder which contains your mts file?

qyot27, I haven't tried scaling with avisynth yet, but I found that avidemux can do resizing of a picture(and it has a gui for it) and do it well. And also avidemux has abilitity to use avisynth...

So, do I have to rescale it with avisynth adding some parameters in input.avs file?

No, everything is installed, and new versions, this issue concerning just this output mp4 file.

Ok, I've installed avisynth, then dowloaded x264.exe 32bit 10bit-depth(what is general difference with 32bit 8bit-depth?) from here, puted x264.exe in C:\Program Files\AviSynth 2.5\plugins, and also...

So with avisynth it's not possible to do compression at all, or possible with some filters? If it's possible, can you give an example(for that mp4 file f.e.)?
By the way, that functions that can do...

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Ok, that is more clear now. Saying more specific, if I will use ffmpegsource.dll and/or FFMS2.dll for decoding or compession, I don't need to install any additional system codecs for MKV, FLV, MOV,...

I see, thanks. Looks like many options possible to use in script, anyway I need to read documentation and examples.
Does avisynth support any file format(mp4, mkv, flv e.t.) and codecs? By the way,...

Well, looking at the video, the quality seems like the same.

qyot27, I don't care which operating system to use, I use both -- linux and windows. So there is no problem for me to use avisynth on...