gst/videomixer/videomixer.c: Fix stride issues. Does not completely work for odd heights.

Original commit message from CVS:
* gst/videomixer/videomixer.c: (gst_videomixer_blend_ayuv_i420),
(gst_videomixer_fill_checker), (gst_videomixer_fill_color),
(gst_videomixer_blend_buffers), (gst_videomixer_loop):
Fix stride issues. Does not completely work for odd
heights.
2 files changed