1 files changed, 75 insertions, 0 deletions
diff --git a/ext/cairo/gsttextoverlay.h b/ext/cairo/gsttextoverlay.h
new file mode 100644
index 00000000..ff539131
--- /dev/null
+++ b/ext/cairo/gsttextoverlay.h
@@ -0,0 +1,75 @@
+
+#ifndef __GST_TEXTOVERLAY_H__
+#define __GST_TEXTOVERLAY_H__
+
+#include <gst/gst.h>
+#include <cairo.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TEXTOVERLAY           (gst_textoverlay_get_type())
+#define GST_TEXTOVERLAY(obj)           (G_TYPE_CHECK_INSTANCE_CAST((obj),\
+                                        GST_TYPE_TEXTOVERLAY, GstTextOverlay))
+#define GST_TEXTOVERLAY_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST((klass),\
+                                        GST_TYPE_ULAW, GstTextOverlay))
+#define GST_TEXTOVERLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
+                                        GST_TYPE_TEXTOVERLAY, GstTextOverlayClass))
+#define GST_IS_TEXTOVERLAY(obj)        (G_TYPE_CHECK_INSTANCE_TYPE((obj),\
+                                        GST_TYPE_TEXTOVERLAY))
+#define GST_IS_TEXTOVERLAY_CLASS(obj)  (G_TYPE_CHECK_CLASS_TYPE((klass),\
+                                        GST_TYPE_TEXTOVERLAY))
+
+typedef struct _GstTextOverlay      GstTextOverlay;
+typedef struct _GstTextOverlayClass GstTextOverlayClass;
+
+typedef enum _GstTextOverlayVAlign GstTextOverlayVAlign;
+typedef enum _GstTextOverlayHAlign GstTextOverlayHAlign;
+
+enum _GstTextOverlayVAlign {
+    GST_TEXT_OVERLAY_VALIGN_BASELINE,
+    GST_TEXT_OVERLAY_VALIGN_BOTTOM,
+    GST_TEXT_OVERLAY_VALIGN_TOP
+};
+
+enum _GstTextOverlayHAlign {
+    GST_TEXT_OVERLAY_HALIGN_LEFT,
+    GST_TEXT_OVERLAY_HALIGN_CENTER,
+    GST_TEXT_OVERLAY_HALIGN_RIGHT
+};
+
+
+struct _GstTextOverlay {
+    GstElement            element;
+
+    GstPad               *video_sinkpad;
+    GstPad               *text_sinkpad;
+    GstPad               *srcpad;
+    gint                  width;
+    gint                  height;
+
+    GstTextOverlayVAlign  valign;
+    GstTextOverlayHAlign  halign;
+    gint                  x0;
+    gint                  y0;
+    gchar		 *default_text;
+
+    cairo_t *cr;
+    guchar *pixbuf;
+    int text_width;
+    int text_height;
+
+    GstBuffer		 *current_buffer;
+    GstBuffer		 *next_buffer;
+    gboolean		  need_render;
+
+};
+
+struct _GstTextOverlayClass {
+    GstElementClass parent_class;
+};
+
+GType gst_textoverlay_get_type(void) G_GNUC_CONST;
+
+G_END_DECLS
+
+#endif /* __GST_TEXTOVERLAY_H */