'Format of values for GstBaseTextOverlay's color property
The GstBaseTextOverlay object used for GStreamer's Pango-based plugins (textoverlay, clockoverlay, etc.) has a color property. Its documentation describes it as follows:
“color” guintColor of the rendered text.
Flags : Read / Write
Default value : -1
A guint is an unsigned 32-bit integer, but the default value specified here (-1) is signed. The color component order is also unspecified (presumably red, green, blue, and alpha are each allocated eight bits).
Although these plugins use Pango, in Pango colors are represented using the PangoColor struct (it contains three guint16 values, one for each of red, green, and blue), which doesn't appear to be used in the context of GStreamer.
What is the format of values for GstBaseTextOverlay's color property?
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