mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-25 00:28:21 +00:00
a82c1565d5
Original commit message from CVS: 2006-02-19 Julien MOUTTE <julien@moutte.net> * ext/pango/gsttextoverlay.c: (gst_text_overlay_base_init), (gst_text_overlay_finalize), (gst_text_overlay_init), (gst_text_overlay_setcaps), (gst_text_overlay_src_event), (gst_text_overlay_render_text), (gst_text_overlay_text_pad_link), (gst_text_overlay_text_event), (gst_text_overlay_video_event), (gst_text_overlay_pop_text), (gst_text_overlay_text_chain), (gst_text_overlay_video_chain), (gst_text_overlay_change_state): * ext/pango/gsttextoverlay.h: Fix seeking both for muxed formats and subtitles files.
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
#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;
|
|
|
|
typedef enum _GstTextOverlayVAlign GstTextOverlayVAlign;
|
|
typedef enum _GstTextOverlayHAlign GstTextOverlayHAlign;
|
|
typedef enum _GstTextOverlayWrapMode GstTextOverlayWrapMode;
|
|
|
|
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
|
|
};
|
|
|
|
enum _GstTextOverlayWrapMode {
|
|
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
|
|
};
|
|
|
|
|
|
struct _GstTextOverlay {
|
|
GstElement element;
|
|
|
|
GstPad *video_sinkpad;
|
|
GstPad *text_sinkpad;
|
|
GstPad *srcpad;
|
|
|
|
GstSegment *segment;
|
|
GstBuffer *text_buffer;
|
|
gboolean text_linked;
|
|
gboolean video_flushing;
|
|
gboolean text_flushing;
|
|
|
|
GCond *cond; /* to signal removal of data */
|
|
|
|
gint width;
|
|
gint height;
|
|
gint fps_n;
|
|
gint fps_d;
|
|
|
|
GstTextOverlayVAlign valign;
|
|
GstTextOverlayHAlign halign;
|
|
GstTextOverlayWrapMode wrap_mode;
|
|
|
|
gint xpad;
|
|
gint ypad;
|
|
gint deltax;
|
|
gint deltay;
|
|
gchar *default_text;
|
|
gboolean want_shading;
|
|
|
|
PangoLayout *layout;
|
|
FT_Bitmap bitmap;
|
|
gint bitmap_buffer_size;
|
|
gint baseline_y;
|
|
|
|
gboolean need_render;
|
|
|
|
gint shading_value; /* for timeoverlay subclass */
|
|
};
|
|
|
|
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 */
|