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basetextoverlay: Append our rectangle to the upstream composition, not the other way around

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Upstream is supposed to be painted first, and only then our rectangle.
This commit is contained in:
Sebastian Dröge 2018-10-01 19:13:39 +03:00
parent e9579466a3
commit 1d271f9a15
1 changed files with 8 additions and 16 deletions
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24
ext/pango/gstbasetextoverlay.c
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@ -1668,25 +1668,17 @@ gst_base_text_overlay_set_composition (GstBaseTextOverlay * overlay)
if (overlay->composition)
gst_video_overlay_composition_unref (overlay->composition);
overlay->composition = gst_video_overlay_composition_new (rectangle);
gst_video_overlay_rectangle_unref (rectangle);
if (overlay->upstream_composition) {
guint num_overlays =
gst_video_overlay_composition_n_rectangles
(overlay->upstream_composition);
guint i;
for (i = 0; i < num_overlays; i++) {
GstVideoOverlayRectangle *rectangle;
rectangle =
gst_video_overlay_composition_get_rectangle
(overlay->upstream_composition, i);
gst_video_overlay_composition_add_rectangle (overlay->composition,
rectangle);
}
overlay->composition =
gst_video_overlay_composition_copy (overlay->upstream_composition);
gst_video_overlay_composition_add_rectangle (overlay->composition,
rectangle);
} else {
overlay->composition = gst_video_overlay_composition_new (rectangle);
}
gst_video_overlay_rectangle_unref (rectangle);
} else if (overlay->composition) {
gst_video_overlay_composition_unref (overlay->composition);
overlay->composition = NULL;