#ifndef __GST_TEXTOVERLAY_H__ #define __GST_TEXTOVERLAY_H__ #include #include 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 */