[gstreamer-bugs] [Bug 577017] Videomixer blend bgra and ayuv

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-good | Ver: git




------- Comment #1 from Alex Ugarte  2009-03-27 20:29 UTC -------
Created an attachment (id=131522)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=131522&action=view)
Modifications to support bgra buffer

This is a summary of what I have done:
*I have removed the following functions:
  gst_videomixer_fill_checker
  gst_videomixer_fill_color
  gst_videomixer_blend_ayuv_ayuv
and replace them by three functors:
  (*blend) 
  (*fill_checker)
  (*fill_color)
These functionalities are implemented in two files, one for AYUV (blend_ayuv.c)
and one for BGRA (blend_bgra.c)

*The plugin's pads now negotitate their format so that tey all have the same
format (size may be different), more or less in the sameway as audio "adder"
does. Depending on the format AYUV or BGRA functions are set to the functors.

I think it would be easy to add the functionality requested in this "bug", by
simply providing a blend_i420.c file.

PS: I think my code does not follow the style guides (at least git complains
about that) :\ sorry. I will try to fix it


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