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tiger: add a 'silent' property to skip rendering

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=662857
This commit is contained in:
Vincent Penquerc'h 2011-10-27 15:53:48 +01:00
parent 4275a70cb5
commit ab27c0da8e
2 changed files with 17 additions and 2 deletions
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18
ext/kate/gstkatetiger.c
View file

@ -121,7 +121,8 @@ enum
ARG_DEFAULT_BACKGROUND_RED,
ARG_DEFAULT_BACKGROUND_GREEN,
ARG_DEFAULT_BACKGROUND_BLUE,
ARG_DEFAULT_BACKGROUND_ALPHA
ARG_DEFAULT_BACKGROUND_ALPHA,
ARG_SILENT
};
static GstStaticPadTemplate kate_sink_factory =
@ -294,6 +295,12 @@ gst_kate_tiger_class_init (GstKateTigerClass * klass)
"Default background color (alpha component, between 0 and 255) to render text with",
0, 255, 255, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* FIXME 0.11: rename to "visible" or "text-visible" or "render-text" */
g_object_class_install_property (gobject_class, ARG_SILENT,
g_param_spec_boolean ("silent", "silent",
"Whether to render the stream",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_kate_tiger_change_state);
}
@ -353,6 +360,7 @@ gst_kate_tiger_init (GstKateTiger * tiger, GstKateTigerClass * gclass)
tiger->default_background_g = 0;
tiger->default_background_b = 0;
tiger->default_background_a = 0;
tiger->silent = FALSE;
tiger->video_width = 0;
tiger->video_height = 0;
@ -488,6 +496,9 @@ gst_kate_tiger_set_property (GObject * object, guint prop_id,
tiger->default_background_a = g_value_get_int (value);
gst_kate_tiger_update_default_background_color (tiger);
break;
case ARG_SILENT:
tiger->silent = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -542,6 +553,9 @@ gst_kate_tiger_get_property (GObject * object, guint prop_id,
case ARG_DEFAULT_BACKGROUND_ALPHA:
g_value_set_int (value, tiger->default_background_a);
break;
case ARG_SILENT:
g_value_set_boolean (value, tiger->silent);
break;
default:
if (!gst_kate_util_decoder_base_get_property (&tiger->decoder, object,
prop_id, value, pspec)) {
@ -767,7 +781,7 @@ gst_kate_tiger_video_chain (GstPad * pad, GstBuffer * buf)
}
/* if there nothing to draw, we can just push the video buffer as is */
if (ret > 0)
if (ret > 0 || tiger->silent)
goto pass;
/* there is something to draw, so first make the buffer writable */

1
ext/kate/gstkatetiger.h
View file

@ -88,6 +88,7 @@ struct _GstKateTiger
guchar default_background_g;
guchar default_background_b;
guchar default_background_a;
gboolean silent;
gint video_width;
gint video_height;