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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
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#ifndef __GST_TEXTOVERLAY_H__
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#define __GST_TEXTOVERLAY_H__
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#include <gst/gst.h>
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#include <cairo.h>
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G_BEGIN_DECLS
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GST_DEBUG_CATEGORY_EXTERN (cairo_debug);
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#define GST_CAT_DEFAULT cairo_debug
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#define GST_TYPE_TEXTOVERLAY (gst_textoverlay_get_type())
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#define GST_TEXTOVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),\
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GST_TYPE_TEXTOVERLAY, GstTextOverlay))
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#define GST_TEXTOVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),\
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GST_TYPE_ULAW, GstTextOverlay))
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#define GST_TEXTOVERLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
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GST_TYPE_TEXTOVERLAY, GstTextOverlayClass))
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#define GST_IS_TEXTOVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),\
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GST_TYPE_TEXTOVERLAY))
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#define GST_IS_TEXTOVERLAY_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),\
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GST_TYPE_TEXTOVERLAY))
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typedef struct _GstTextOverlay GstTextOverlay;
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typedef struct _GstTextOverlayClass GstTextOverlayClass;
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typedef enum _GstTextOverlayVAlign GstTextOverlayVAlign;
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typedef enum _GstTextOverlayHAlign GstTextOverlayHAlign;
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enum _GstTextOverlayVAlign {
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GST_TEXT_OVERLAY_VALIGN_BASELINE,
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GST_TEXT_OVERLAY_VALIGN_BOTTOM,
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GST_TEXT_OVERLAY_VALIGN_TOP
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};
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enum _GstTextOverlayHAlign {
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GST_TEXT_OVERLAY_HALIGN_LEFT,
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GST_TEXT_OVERLAY_HALIGN_CENTER,
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GST_TEXT_OVERLAY_HALIGN_RIGHT
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};
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struct _GstTextOverlay {
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GstElement element;
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GstPad *video_sinkpad;
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GstPad *text_sinkpad;
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GstPad *srcpad;
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gint width;
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gint height;
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GstTextOverlayVAlign valign;
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GstTextOverlayHAlign halign;
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gint x0;
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gint y0;
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gchar *default_text;
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cairo_t *cr;
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guchar *text_fill_image;
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guchar *text_outline_image;
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int text_height;
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GstBuffer *current_buffer;
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GstBuffer *next_buffer;
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gboolean need_render;
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gchar *font;
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int slant;
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int weight;
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double scale;
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};
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struct _GstTextOverlayClass {
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GstElementClass parent_class;
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};
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GType gst_textoverlay_get_type(void) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __GST_TEXTOVERLAY_H */
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