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Display: Add a property to export the VA display handle.
Just like what we do in VA plugins. The display can be seen as a generic gst object and we can add a property to get the internal VA handle. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi/-/merge_requests/435>
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2 changed files with 18 additions and 0 deletions
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@ -86,6 +86,7 @@ enum
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PROP_SATURATION,
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PROP_BRIGHTNESS,
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PROP_CONTRAST,
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PROP_VA_DISPLAY,
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N_PROPERTIES
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};
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@ -1123,6 +1124,11 @@ gst_vaapi_display_get_property (GObject * object, guint property_id,
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GstVaapiDisplay *display = GST_VAAPI_DISPLAY (object);
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const GstVaapiProperty *prop;
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if (property_id == PROP_VA_DISPLAY) {
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g_value_set_pointer (value, gst_vaapi_display_get_display (display));
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return;
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}
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if (!ensure_properties (display))
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return;
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@ -1224,6 +1230,15 @@ gst_vaapi_display_class_init (GstVaapiDisplayClass * klass)
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"contrast",
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"The display contrast value", 0.0, 2.0, 1.0, G_PARAM_READWRITE);
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/**
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* GstVaapiDisplay:va-display:
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*
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* The VA display handle, expressed as a #VADisplay.
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*/
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g_properties[PROP_VA_DISPLAY] =
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g_param_spec_pointer ("va-display", "VADisplay",
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"VA Display handler", G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class, N_PROPERTIES, g_properties);
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gst_type_mark_as_plugin_api (gst_vaapi_display_type_get_type (), 0);
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}
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@ -64,6 +64,9 @@ gst_vaapi_video_context_set_display (GstContext * context,
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structure = gst_context_writable_structure (context);
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gst_structure_set (structure, GST_VAAPI_DISPLAY_CONTEXT_TYPE_NAME,
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GST_TYPE_VAAPI_DISPLAY, display, NULL);
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/* The outside user may access it as a generic Gobject. */
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gst_structure_set (structure, "gst.vaapi.Display.GObject",
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GST_TYPE_OBJECT, display, NULL);
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}
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GstContext *
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