mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-30 12:10:37 +00:00
Code Issues 1 Projects Releases Wiki Activity

Merge remote-tracking branch 'origin/0.10'

Browse source 
Conflicts:
	configure.ac
This commit is contained in:
Sebastian Dröge 2012-03-29 15:03:09 +02:00
commit 49f85b38b7
2 changed files with 32 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
ext/gdk_pixbuf/gstgdkpixbufoverlay.c
View file

@ -81,7 +81,8 @@ enum
PROP_RELATIVE_X,
PROP_RELATIVE_Y,
PROP_OVERLAY_WIDTH,
PROP_OVERLAY_HEIGHT
PROP_OVERLAY_HEIGHT,
PROP_ALPHA
};
#define VIDEO_CAPS \
@ -187,6 +188,10 @@ gst_gdk_pixbuf_overlay_class_init (GstGdkPixbufOverlayClass * klass)
G_MAXINT, 0,
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ALPHA,
g_param_spec_double ("alpha", "Alpha", "Global alpha of overlay image",
0.0, 1.0, 1.0, GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING
| G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
GST_DEBUG_CATEGORY_INIT (gdkpixbufoverlay_debug, "gdkpixbufoverlay", 0,
"debug category for gdkpixbufoverlay element");
@ -204,6 +209,8 @@ gst_gdk_pixbuf_overlay_init (GstGdkPixbufOverlay * overlay,
overlay->overlay_width = 0;
overlay->overlay_height = 0;
overlay->alpha = 1.0;
}
void
@ -243,6 +250,10 @@ gst_gdk_pixbuf_overlay_set_property (GObject * object, guint property_id,
overlay->overlay_height = g_value_get_int (value);
overlay->update_composition = TRUE;
break;
case PROP_ALPHA:
overlay->alpha = g_value_get_double (value);
overlay->update_composition = TRUE;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -281,6 +292,9 @@ gst_gdk_pixbuf_overlay_get_property (GObject * object, guint property_id,
case PROP_OVERLAY_HEIGHT:
g_value_set_int (value, overlay->overlay_height);
break;
case PROP_ALPHA:
g_value_set_double (value, overlay->alpha);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -437,6 +451,14 @@ gst_gdk_pixbuf_overlay_update_composition (GstGdkPixbufOverlay * overlay)
GstVideoOverlayRectangle *rect;
gint x, y, width, height;
if (overlay->comp) {
gst_video_overlay_composition_unref (overlay->comp);
overlay->comp = NULL;
}
if (overlay->alpha == 0.0)
return;
x = overlay->offset_x + (overlay->relative_x * overlay->pixels_width);
y = overlay->offset_y + (overlay->relative_y * overlay->pixels_height);
@ -454,8 +476,8 @@ gst_gdk_pixbuf_overlay_update_composition (GstGdkPixbufOverlay * overlay)
if (height == 0)
height = overlay->pixels_height;
GST_DEBUG_OBJECT (overlay, "overlay image dimensions: %d x %d",
overlay->pixels_width, overlay->pixels_height);
GST_DEBUG_OBJECT (overlay, "overlay image dimensions: %d x %d, alpha=%.2f",
overlay->pixels_width, overlay->pixels_height, overlay->alpha);
GST_DEBUG_OBJECT (overlay, "properties: x,y: %d,%d (%g%%,%g%%) - WxH: %dx%d",
overlay->offset_x, overlay->offset_y,
overlay->relative_x * 100.0, overlay->relative_y * 100.0,
@ -467,11 +489,12 @@ gst_gdk_pixbuf_overlay_update_composition (GstGdkPixbufOverlay * overlay)
overlay->pixels_width, overlay->pixels_height, overlay->pixels_stride,
x, y, width, height, GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
if (overlay->alpha != 1.0)
gst_video_overlay_rectangle_set_global_alpha (rect, overlay->alpha);
comp = gst_video_overlay_composition_new (rect);
gst_video_overlay_rectangle_unref (rect);
if (overlay->comp)
gst_video_overlay_composition_unref (overlay->comp);
overlay->comp = comp;
}
@ -502,7 +525,8 @@ gst_gdk_pixbuf_overlay_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
GST_OBJECT_UNLOCK (overlay);
gst_video_overlay_composition_blend (overlay->comp, buf);
if (overlay->comp != NULL)
gst_video_overlay_composition_blend (overlay->comp, buf);
return GST_FLOW_OK;
}

2
ext/gdk_pixbuf/gstgdkpixbufoverlay.h
View file

@ -63,6 +63,8 @@ struct _GstGdkPixbufOverlay
gint overlay_width;
gint overlay_height;
gdouble alpha;
/* the loaded image */
GstBuffer * pixels;
guint pixels_width;