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This allows us to use the GstVideoOverlayComposition API and correctly handle pre-multiplied alpha, while also only doing the alpha conversion once instead of twice for the whole frame. At a later point we can attach the meta to the buffer instead of blending ourselves if downstream supports that. https://bugzilla.gnome.org/show_bug.cgi?id=797091 |
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gstcairo.c | ||
gstcairooverlay.c | ||
gstcairooverlay.h | ||
Makefile.am | ||
meson.build |