[gst-devel] Discarding Frames

[Wes Miller]

I would like to process an mjpeg stream stored in a  matroska container file
to build a new file with fewer frames in it.  Specifically, I have a list of
random frames I want to keep.  

This feels like a good use for appsink, but will discarding frames mess up
the header info?  

I suppose the header comes through the appsink first as the first (more?)
frame. 

Can I 1use the caps to detect header from image frame?  

Will I need to dissect my header and adjust it?  

Where might I find specs to follow?

Many thanks,

Wes Miller
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