Re: [Openquicktime-users] .mov file info?

[Capt. S. *-J. <st...@3i...>]

There is always

http://www.openquicktime.org/docs/openquicktime/Functions/=20
Functions.html#oqt_dump

I don't think that's what you want tho..

A better way would be to write a function as you say to loop over the =20=

video tracks, returning all the info you want, and loop over the audio =20=

tracks... returning all the info you want.

In fact, such a function might exist in one of the 'utils' (sample =20
code) which comes with OQT

On Sunday, March 30, 2003, at 08:31 PM, Rob Coenen wrote:

> I know that Quicktime is, unlike .avi files, based upon an =20
> "atom"-structure.
> If I am correct this structure is also used for the MPEG4 file format. =
=20
> And
> thanks to the MPEG4IP project there's a lib available that has the =20
> function
> Mp4FileInfo which basically dumps all track information. I compiled =20=

> this
> into a .dll which I can call from VB, works perfectly.
> Now I'd like to do the same thing for .Mov files but.. I can't find =20=

> anything
> like a functionality like "MOVFileInfo" but it seems that I'll have to =
=20
> build
> such a function myself?
>
> ----- Original Message -----
> From: "Nick Humfrey" <nj...@ec...>
> To: "Rob Coenen" <ro...@so...>
> Cc: <ope...@li...>
> Sent: Saturday, March 29, 2003 10:04 PM
> Subject: Re: [Openquicktime-users] .mov file info?
>
>
>> Sorry for the long time in replying - Have I replied already ? Don't
>> think I have - but thought I had... !
>>
>>
>> Information about the QuickTime file format is here:
>>
>>
> http://developer.apple.com/techpubs/quicktime/qtdevdocs/PDF/=20
> QTFileFormat.pdf
>>
>> I don't think there is a really easy way of getting basic information
>> about a movie out - it isn't just sitting in the first few bytes of
>> the file - that is what OpenQuicktime is for !
>>
>>
>> I know very little about VB - but do you think you could called
>> functions in OQT compiled as a DLL ? The OQT API is documented here:
>> http://www.openquicktime.org/docs/openquicktime/
>>
>>
>> Cheers,
>>
>> nick.
>>
>>
>>
>> At 16:43 +0100 18/3/03, Rob Coenen wrote:
>>> Hi all,
>>>
>>> OpenQuicktime, I hop ethat this is the right list  to get some help =20=

>>> from,
>>> not 100% sure.
>>> I'm trying to find information about the .mov filestructure. I do =20=

>>> want to
>>> write a little aplication in Visual Basic (oh my..) that reads the =20=

>>> header
> of
>>> a .mov file, checks if it has a movie and audio track and returns =20=

>>> some
> extra
>>> information like the length (in ms) of the movie, the framerate, the
>>> dimensions, the used codecs for video/audio, etc.
>>> Currently I already found something that does the sqame for .avi =
file
>>> (http://isengrim.rotegruetze.net/avi-info.php)
>>>
>>> I do need to use Windows, and my C++ skills are limited. So VB is my
> first
>>> choiche.
>>> Any help from you guys? Is there any simple documentation available =20=

>>> about
>>> the header structure of the .mov format? (for the .avi fileformat I =20=

>>> found
>>> this http://www.fastgraph.com/help/avi_header_format.html, please =20=

>>> have a
>>> look)
>>>
>>> Any help is welcome,
>>>
>>> Rob
>>>
>>>
>>>
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>>
>
>
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--
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Capt. Stux *-Jedi                                    =20
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