/usr/include/gstreamer-0.10/gst/video/video-overlay-composition.h is in libgstreamer-plugins-base0.10-dev 0.10.36-1ubuntu0.2.
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* Copyright (C) 2011 Intel Corporation
* Copyright (C) 2011 Collabora Ltd.
* Copyright (C) 2011 Tim-Philipp Müller <tim centricular net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_VIDEO_OVERLAY_COMPOSITION_H__
#define __GST_VIDEO_OVERLAY_COMPOSITION_H__
#include <gst/gst.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
/**
* GstVideoOverlayRectangle:
*
* An opaque video overlay rectangle object. A rectangle contains a single
* overlay rectangle which can be added to a composition.
*
* Since: 0.10.36
*/
#define GST_TYPE_VIDEO_OVERLAY_RECTANGLE \
(gst_video_overlay_rectangle_get_type ())
#define GST_VIDEO_OVERLAY_RECTANGLE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_OVERLAY_RECTANGLE, GstVideoOverlayRectangle))
#define GST_IS_VIDEO_OVERLAY_RECTANGLE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_OVERLAY_RECTANGLE))
typedef struct _GstVideoOverlayRectangle GstVideoOverlayRectangle;
typedef struct _GstVideoOverlayRectangleClass GstVideoOverlayRectangleClass;
/**
* gst_video_overlay_rectangle_ref:
* @comp: a a #GstVideoOverlayRectangle.
*
* Increases the refcount of the given rectangle by one.
*
* Note that the refcount affects the writeability
* of @comp, use gst_video_overlay_rectangle_copy() to ensure a rectangle can
* be modified (there is no gst_video_overlay_rectangle_make_writable() because
* it is unlikely that someone will hold the single reference to the rectangle
* and not know that that's the case).
*
* Returns: (transfer full): @comp
*
* Since: 0.10.36
*/
#ifdef _FOOL_GTK_DOC_
G_INLINE_FUNC GstVideoOverlayRectangle *
gst_video_overlay_rectangle_ref (GstVideoOverlayRectangle * comp);
#endif
static inline GstVideoOverlayRectangle *
gst_video_overlay_rectangle_ref (GstVideoOverlayRectangle * comp)
{
return (GstVideoOverlayRectangle *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (comp));
}
/**
* gst_video_overlay_rectangle_unref:
* @comp: (transfer full): a #GstVideoOverlayRectangle.
*
* Decreases the refcount of the rectangle. If the refcount reaches 0, the
* rectangle will be freed.
*
* Since: 0.10.36
*/
#ifdef _FOOL_GTK_DOC_
G_INLINE_FUNC void
gst_video_overlay_rectangle_unref (GstVideoOverlayRectangle * comp);
#endif
static inline void
gst_video_overlay_rectangle_unref (GstVideoOverlayRectangle * comp)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (comp));
}
/**
* GstVideoOverlayFormatFlags:
* @GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE: no flags
*
* Overlay format flags.
*
* Since: 0.10.36
*/
typedef enum {
GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE = 0
} GstVideoOverlayFormatFlags;
GType gst_video_overlay_rectangle_get_type (void);
GstVideoOverlayRectangle * gst_video_overlay_rectangle_new_argb (GstBuffer * pixels,
guint width, guint height, guint stride,
gint render_x, gint render_y,
guint render_width, guint render_height,
GstVideoOverlayFormatFlags flags);
GstVideoOverlayRectangle * gst_video_overlay_rectangle_copy (GstVideoOverlayRectangle * rectangle);
guint gst_video_overlay_rectangle_get_seqnum (GstVideoOverlayRectangle * rectangle);
void gst_video_overlay_rectangle_set_render_rectangle (GstVideoOverlayRectangle * rectangle,
gint render_x,
gint render_y,
guint render_width,
guint render_height);
gboolean gst_video_overlay_rectangle_get_render_rectangle (GstVideoOverlayRectangle * rectangle,
gint * render_x,
gint * render_y,
guint * render_width,
guint * render_height);
GstBuffer * gst_video_overlay_rectangle_get_pixels_argb (GstVideoOverlayRectangle * rectangle,
guint * stride,
GstVideoOverlayFormatFlags flags);
GstBuffer * gst_video_overlay_rectangle_get_pixels_unscaled_argb (GstVideoOverlayRectangle * rectangle,
guint * width,
guint * height,
guint * stride,
GstVideoOverlayFormatFlags flags);
/**
* GstVideoOverlayComposition:
*
* An opaque video overlay composition object. A composition contains
* multiple overlay rectangles.
*
* Since: 0.10.36
*/
#define GST_TYPE_VIDEO_OVERLAY_COMPOSITION \
(gst_video_overlay_composition_get_type ())
#define GST_VIDEO_OVERLAY_COMPOSITION(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_OVERLAY_COMPOSITION, GstVideoOverlayComposition))
#define GST_IS_VIDEO_OVERLAY_COMPOSITION(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_OVERLAY_COMPOSITION))
typedef struct _GstVideoOverlayComposition GstVideoOverlayComposition;
typedef struct _GstVideoOverlayCompositionClass GstVideoOverlayCompositionClass;
/**
* gst_video_overlay_composition_ref:
* @comp: a a #GstVideoOverlayComposition.
*
* Increases the refcount of the given composition by one.
*
* Note that the refcount affects the writeability
* of @comp, use gst_video_overlay_composition_make_writable() to ensure
* a composition and its rectangles can be modified.
*
* Returns: (transfer full): @comp
*
* Since: 0.10.36
*/
#ifdef _FOOL_GTK_DOC_
G_INLINE_FUNC GstVideoOverlayComposition *
gst_video_overlay_composition_ref (GstVideoOverlayComposition * comp);
#endif
static inline GstVideoOverlayComposition *
gst_video_overlay_composition_ref (GstVideoOverlayComposition * comp)
{
return (GstVideoOverlayComposition *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (comp));
}
/**
* gst_video_overlay_composition_unref:
* @comp: (transfer full): a #GstVideoOverlayComposition.
*
* Decreases the refcount of the composition. If the refcount reaches 0, the
* composition will be freed.
*
* Since: 0.10.36
*/
#ifdef _FOOL_GTK_DOC_
G_INLINE_FUNC void
gst_video_overlay_composition_unref (GstVideoOverlayComposition * comp);
#endif
static inline void
gst_video_overlay_composition_unref (GstVideoOverlayComposition * comp)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (comp));
}
GType gst_video_overlay_composition_get_type (void);
GstVideoOverlayComposition * gst_video_overlay_composition_copy (GstVideoOverlayComposition * comp);
GstVideoOverlayComposition * gst_video_overlay_composition_make_writable (GstVideoOverlayComposition * comp);
GstVideoOverlayComposition * gst_video_overlay_composition_new (GstVideoOverlayRectangle * rectangle);
void gst_video_overlay_composition_add_rectangle (GstVideoOverlayComposition * comp,
GstVideoOverlayRectangle * rectangle);
guint gst_video_overlay_composition_n_rectangles (GstVideoOverlayComposition * comp);
GstVideoOverlayRectangle * gst_video_overlay_composition_get_rectangle (GstVideoOverlayComposition * comp, guint n);
guint gst_video_overlay_composition_get_seqnum (GstVideoOverlayComposition * comp);
/* blend composition onto raw video buffer */
gboolean gst_video_overlay_composition_blend (GstVideoOverlayComposition * comp,
GstBuffer * video_buf);
/* attach/retrieve composition from buffers */
void gst_video_buffer_set_overlay_composition (GstBuffer * buf,
GstVideoOverlayComposition * comp);
GstVideoOverlayComposition * gst_video_buffer_get_overlay_composition (GstBuffer * buf);
G_END_DECLS
#endif /* __GST_VIDEO_OVERLAY_COMPOSITION_H__ */
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