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How do I extract only I frames from a MPG file?

Asked by email_toan in Multimedia Programming, Microsoft Visual C++, Windows MFC Programming

Tags: C++, C#, VB, MPEG

I would like to write a program to extract certain type of frames from an MPG video file.  For example, I want to save out all Intra frames from a video file.  I need a code example demonstrating how to parse and read for GOP structures and identify the I,B, and P frames.  Or if anyone know of any SDK or DLL file that already has this capability.  Any pointers would be greatly appreciated.

I am just trying to do a portion of what GSpot and VirtualDub does already.
[+][-]11/06/09 08:59 AM, ID: 25760872Expert Comment

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[+][-]11/12/09 07:47 PM, ID: 25811241Author Comment

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[+][-]11/12/09 07:50 PM, ID: 25811248Author Comment

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