mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 10:31:05 +00:00
cf81f02e10
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:
82 lines
2.3 KiB
C
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 */
|