[Q] How to retrieve FourCC code for XDCam clips?
[Q] How to retrieve FourCC code for XDCam clips?
- Subject: [Q] How to retrieve FourCC code for XDCam clips?
- From: JongAm Park <email@hidden>
- Date: Mon, 10 Aug 2009 09:29:12 -0700
Hello,
Last week, I succeeded in retrieving FourCC code using
ImageDescriptionHandle and GetMediaSampleDescription() function for
DVCPro HD clips.
With help of Dumpster, I found out that the FourCC information was
stored in sample description portion of mov format.
However, for XDCAM clip, it didn't work. dumpster shows correct width,
height, fourCC codes and so on under its sample table, but when I did
it with the GetMediaSampleDescription(), the returned address doesn't
seem to mean a handle to a proper address location which contains the
information.
So, should I use different *DescriptionHandle for XDCAM? I looked up
its raw content after dereferencing with * already. It seems to be not-
expected memory content.
Is the XDCAM case the only special case? Is there anything common way
to retrieve the information no matter what codec a clip uses, if nay?
Thank you.
JongAm Park
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