gstreamer/ext/cairo/gsttextoverlay.h
Ronald cf81f02e10 Merge patch from Ronald fixing problems with streaming text.
Original commit message from CVS:
Merge patch from Ronald fixing problems with streaming
text.
* ext/cairo/gstcairo.c: (plugin_init):
* ext/cairo/gsttextoverlay.c: (gst_textoverlay_render_text),
(gst_text_overlay_blit_1), (gst_text_overlay_blit_sub2x2),
(gst_textoverlay_video_chain), (gst_textoverlay_loop),
(gst_textoverlay_font_init), (gst_textoverlay_init),
(gst_textoverlay_set_property):
* ext/cairo/gsttextoverlay.h:
2004-12-28 09:26:32 +00:00

82 lines
2.3 KiB
C

#ifndef __GST_TEXTOVERLAY_H__
#define __GST_TEXTOVERLAY_H__
#include <gst/gst.h>
#include <cairo.h>
G_BEGIN_DECLS
GST_DEBUG_CATEGORY_EXTERN (cairo_debug);
#define GST_CAT_DEFAULT cairo_debug
#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 *text_fill_image;
guchar *text_outline_image;
int text_height;
GstBuffer *current_buffer;
GstBuffer *next_buffer;
gboolean need_render;
gchar *font;
int slant;
int weight;
double scale;
};
struct _GstTextOverlayClass {
GstElementClass parent_class;
};
GType gst_textoverlay_get_type(void) G_GNUC_CONST;
G_END_DECLS
#endif /* __GST_TEXTOVERLAY_H */