Detect type of compression codec

[Lancill]

Hi all, how can I detect the type of compression codec in Autoplay Media Studio 4? I want to know that I can see when I click right mouse button on a video file (ex: .avi) -> Properties -> second tab (I don't know the English name of that tab [img]/ubbthreads/images/icons/smile.gif[/img] ) -> video compression (ex: DIVX, XVID...)!

Help me please!
Cya
Lancill

[Lorne]

Re: Detect type of compression codec

Try to find out how you can get that information from the Registry (if you can). Then you can just use AutoPlay's Registry actions to sleuth it out.

A search on google might turn something up.

[TJ_Tigger]

Re: Detect type of compression codec

I don' t know if this helps, but here is a post that checked the registry for the version of Divx codec.

click here

HTH
Tigg

[Lancill]

Re: Detect type of compression codec

Uhmmm... But the compression type information is not stored in the Registry, I think it's stored in the file!... In the Registry I can check if a codec is or not installed on that pc!
Is that right?

[Lorne]

Re: Detect type of compression codec

Ah, sorry I misunderstood the question.

To do that, you'll need to find some command-line utility that will report that information back to standard output or to a file or something.

Or, it seems to me that a four-letter "tag" identifying the codec is included at the beginning of the file...if so, you could just read the file into a string (or the first "line" of the file) and then examine the characters at the appropriate location.

[Lancill]

Re: Detect type of compression codec

Np [img]/ubbthreads/images/icons/smile.gif[/img]

Thx very much! I'll try it! [img]/ubbthreads/images/icons/smile.gif[/img]

Cya

[Lancill]

Re: Detect type of compression codec

There's a problem! Your method works correctly with very small files, but if I try to get a line from a larger file (for example a file of 2 MB), Autoplay Media Studio returns an error: "The file is too large to be read" !!!

I use this code:

%TextLine% = TextFile.GetLine("%SrcDir%\\movie.avi",1)
%FoundPos% = String.Find("%TextLine%","divx",0)
and then various if...

How can I do?

Cya!

[Lorne]

Re: Detect type of compression codec

You'll need to use some other method of grabbing the first few bytes of the file. This would certainly be possible with a program (or even better, a custom .DLL).

[Lancill]

Re: Detect type of compression codec

yes,
thanks for support!

Bye!