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faceoverlay: don't make rsvgoverlay reload the SVG for every single frame

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Only set location on rsvgoverlay if it has changed.
This commit is contained in:
Tim-Philipp Müller 2012-03-15 18:08:09 +00:00
parent 549447d288
commit 3bbb0387c4
2 changed files with 12 additions and 3 deletions
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13
gst/faceoverlay/gstfaceoverlay.c
View file

@ -174,6 +174,7 @@ gst_face_overlay_change_state (GstElement * element, GstStateChange transition)
"facedetect element or rsvgoverlay"));
return GST_STATE_CHANGE_FAILURE;
}
filter->update_svg = TRUE;
break;
default:
break;
@ -237,11 +238,16 @@ gst_face_overlay_handle_faces (GstFaceOverlay * filter, GstStructure * s)
svg_width = (int) width *filter->w;
svg_height = (int) height *filter->h;
GST_LOG_OBJECT (filter, "setting overlay to %d x %d @ %d,%d (file: %s)",
svg_width, svg_height, svg_x, svg_y, GST_STR_NULL (filter->location));
if (filter->update_svg) {
GST_DEBUG_OBJECT (filter, "set rsvgoverlay location=%s", filter->location);
g_object_set (filter->svg_overlay, "location", filter->location, NULL);
filter->update_svg = FALSE;
}
GST_LOG_OBJECT (filter, "overlay dimensions: %d x %d @ %d,%d",
svg_width, svg_height, svg_x, svg_y);
g_object_set (filter->svg_overlay,
"location", filter->location,
"x", svg_x, "y", svg_y, "width", svg_width, "height", svg_height, NULL);
}
@ -347,6 +353,7 @@ gst_face_overlay_set_property (GObject * object, guint prop_id,
switch (prop_id) {
case PROP_LOCATION:
filter->location = g_value_dup_string (value);
filter->update_svg = TRUE;
break;
case PROP_X:
filter->x = g_value_get_float (value);

2
gst/faceoverlay/gstfaceoverlay.h
View file

@ -73,6 +73,8 @@ struct _GstFaceOverlay
gboolean process_message;
gboolean update_svg;
gchar *location;
gfloat x;
gfloat y;