diff -r 567bb019e3e3 -r 7e817e7e631c gst_plugins_base/ext/pango/gsttextoverlay.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/ext/pango/gsttextoverlay.h	Wed Sep 01 12:16:41 2010 +0100
@@ -0,0 +1,149 @@
+#ifndef __GST_TEXT_OVERLAY_H__
+#define __GST_TEXT_OVERLAY_H__
+
+#include <gst/gst.h>
+#include <pango/pangoft2.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TEXT_OVERLAY            (gst_text_overlay_get_type())
+#define GST_TEXT_OVERLAY(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),\
+                                         GST_TYPE_TEXT_OVERLAY, GstTextOverlay))
+#define GST_TEXT_OVERLAY_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),\
+                                         GST_TYPE_TEXT_OVERLAY,GstTextOverlayClass))
+#define GST_TEXT_OVERLAY_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),\
+                                         GST_TYPE_TEXT_OVERLAY, GstTextOverlayClass))
+#define GST_IS_TEXT_OVERLAY(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),\
+                                         GST_TYPE_TEXT_OVERLAY))
+#define GST_IS_TEXT_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),\
+                                         GST_TYPE_TEXT_OVERLAY))
+
+typedef struct _GstTextOverlay      GstTextOverlay;
+typedef struct _GstTextOverlayClass GstTextOverlayClass;
+
+/**
+ * GstTextOverlayVAlign:
+ * @GST_TEXT_OVERLAY_VALIGN_BASELINE: draw text on the baseline
+ * @GST_TEXT_OVERLAY_VALIGN_BOTTOM: draw text on the bottom
+ * @GST_TEXT_OVERLAY_VALIGN_TOP: draw test on top
+ *
+ * Vertical alignment of the text.
+ */
+typedef enum {
+    GST_TEXT_OVERLAY_VALIGN_BASELINE,
+    GST_TEXT_OVERLAY_VALIGN_BOTTOM,
+    GST_TEXT_OVERLAY_VALIGN_TOP
+} GstTextOverlayVAlign;
+
+/**
+ * GstTextOverlayHAlign:
+ * @GST_TEXT_OVERLAY_HALIGN_LEFT: align text left
+ * @GST_TEXT_OVERLAY_HALIGN_CENTER: align text center
+ * @GST_TEXT_OVERLAY_HALIGN_RIGHT: align text right
+ *
+ * Horizontal alignment of the text.
+ */
+typedef enum {
+    GST_TEXT_OVERLAY_HALIGN_LEFT,
+    GST_TEXT_OVERLAY_HALIGN_CENTER,
+    GST_TEXT_OVERLAY_HALIGN_RIGHT
+} GstTextOverlayHAlign;
+
+/**
+ * GstTextOverlayWrapMode:
+ * @GST_TEXT_OVERLAY_WRAP_MODE_NONE: no wrapping
+ * @GST_TEXT_OVERLAY_WRAP_MODE_WORD: do word wrapping
+ * @GST_TEXT_OVERLAY_WRAP_MODE_CHAR: do char wrapping
+ * @GST_TEXT_OVERLAY_WRAP_MODE_WORD_CHAR: do word and char wrapping
+ *
+ * Whether to wrap the text and if so how.
+ */
+typedef enum {
+    GST_TEXT_OVERLAY_WRAP_MODE_NONE = -1,
+    GST_TEXT_OVERLAY_WRAP_MODE_WORD = PANGO_WRAP_WORD,
+    GST_TEXT_OVERLAY_WRAP_MODE_CHAR = PANGO_WRAP_CHAR,
+    GST_TEXT_OVERLAY_WRAP_MODE_WORD_CHAR = PANGO_WRAP_WORD_CHAR
+} GstTextOverlayWrapMode;
+
+/**
+ * GstTextOverlayLineAlign:
+ * @GST_TEXT_OVERLAY_LINE_ALIGN_LEFT: lines are left-aligned
+ * @GST_TEXT_OVERLAY_LINE_ALIGN_CENTER: lines are center-aligned
+ * @GST_TEXT_OVERLAY_LINE_ALIGN_RIGHT: lines are right-aligned
+ *
+ * Alignment of text lines relative to each other
+ */
+typedef enum {
+    GST_TEXT_OVERLAY_LINE_ALIGN_LEFT = PANGO_ALIGN_LEFT,
+    GST_TEXT_OVERLAY_LINE_ALIGN_CENTER = PANGO_ALIGN_CENTER,
+    GST_TEXT_OVERLAY_LINE_ALIGN_RIGHT = PANGO_ALIGN_RIGHT
+} GstTextOverlayLineAlign;
+
+/**
+ * GstTextOverlay:
+ *
+ * Opaque textoverlay object structure
+ */
+struct _GstTextOverlay {
+    GstElement               element;
+
+    GstPad                  *video_sinkpad;
+    GstPad                  *text_sinkpad;
+    GstPad                  *srcpad;
+
+    GstSegment              *segment;
+    GstSegment               text_segment;
+    GstBuffer               *text_buffer;
+    gboolean                text_linked;
+    gboolean                video_flushing;
+    gboolean                text_flushing;
+    gboolean                text_eos;
+
+    GCond                   *cond;  /* to signal removal of a queued text
+                                     * buffer, arrival of a text buffer,
+                                     * a text segment update, or a change
+                                     * in status (e.g. shutdown, flushing) */
+
+    gint                     width;
+    gint                     height;
+    gint                     fps_n;
+    gint                     fps_d;
+
+    GstTextOverlayVAlign     valign;
+    GstTextOverlayHAlign     halign;
+    GstTextOverlayWrapMode   wrap_mode;
+    GstTextOverlayLineAlign  line_align;
+
+    gint                     xpad;
+    gint                     ypad;
+    gint                     deltax;
+    gint                     deltay;
+    gchar                   *default_text;
+    gboolean                 want_shading;
+    gboolean                 silent;
+
+    PangoLayout             *layout;
+    FT_Bitmap                bitmap;
+    gint                     bitmap_buffer_size;
+    gint                     baseline_y;
+
+    gboolean                 need_render;
+
+    gint                     shading_value;  /* for timeoverlay subclass */
+
+    gboolean                 have_pango_markup;
+};
+
+struct _GstTextOverlayClass {
+    GstElementClass parent_class;
+
+    PangoContext *pango_context;
+
+    gchar *     (*get_text) (GstTextOverlay *overlay, GstBuffer *video_frame);
+};
+
+GType gst_text_overlay_get_type(void) G_GNUC_CONST;
+
+G_END_DECLS
+
+#endif /* __GST_TEXT_OVERLAY_H */