mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-19 00:01:23 +00:00
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/*
|
|
* gstvaapisubpicture.h - VA subpicture abstraction
|
|
*
|
|
* Copyright (C) 2010-2011 Splitted-Desktop Systems
|
|
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
|
|
* Copyright (C) 2011-2013 Intel Corporation
|
|
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef GST_VAAPI_SUBPICTURE_H
|
|
#define GST_VAAPI_SUBPICTURE_H
|
|
|
|
#include <gst/vaapi/gstvaapidisplay.h>
|
|
#include <gst/vaapi/gstvaapiimage.h>
|
|
#include <gst/video/video-overlay-composition.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_VAAPI_SUBPICTURE(obj) \
|
|
((GstVaapiSubpicture *)(obj))
|
|
|
|
typedef struct _GstVaapiSubpicture GstVaapiSubpicture;
|
|
|
|
/**
|
|
* GstVaapiSubpictureFlags:
|
|
* @GST_VAAPI_SUBPICTURE_FLAG_PREMULTIPLIED_ALPHA:
|
|
* subpicture has RGB pixels with pre-multiplied alpha
|
|
* @GST_VAAPI_SUBPICTURE_FLAG_GLOBAL_ALPHA:
|
|
* subpicture needs to be blended with some global-alpha value at
|
|
* rendering time
|
|
*
|
|
* The set of all subpicture rendering flags for #GstVaapiSubpicture.
|
|
*/
|
|
typedef enum {
|
|
GST_VAAPI_SUBPICTURE_FLAG_PREMULTIPLIED_ALPHA = (1 << 0),
|
|
GST_VAAPI_SUBPICTURE_FLAG_GLOBAL_ALPHA = (1 << 1),
|
|
} GstVaapiSubpictureFlags;
|
|
|
|
#define GST_TYPE_VAAPI_SUBPICTURE (gst_vaapi_subpicture_get_type ())
|
|
|
|
#define GST_VAAPI_SUBPICTURE_ID(subpicture) (gst_vaapi_subpicture_get_id (subpicture))
|
|
|
|
GType
|
|
gst_vaapi_subpicture_get_type (void) G_GNUC_CONST;
|
|
|
|
/**
|
|
* gst_vaapi_subpicture_unref: (skip)
|
|
* @subpicture: (transfer full): a #GstVaapiSubpicture.
|
|
*
|
|
* Decreases the refcount of the subpicture. If the refcount reaches 0, the
|
|
* subpicture will be freed.
|
|
*/
|
|
static inline void
|
|
gst_vaapi_subpicture_unref (GstVaapiSubpicture *subpicture)
|
|
{
|
|
gst_mini_object_unref (GST_MINI_OBJECT_CAST (subpicture));
|
|
}
|
|
|
|
GstVaapiSubpicture *
|
|
gst_vaapi_subpicture_new(GstVaapiImage *image, guint flags);
|
|
|
|
GstVaapiSubpicture *
|
|
gst_vaapi_subpicture_new_from_overlay_rectangle(
|
|
GstVaapiDisplay *display,
|
|
GstVideoOverlayRectangle *rect
|
|
);
|
|
|
|
GstVaapiID
|
|
gst_vaapi_subpicture_get_id(GstVaapiSubpicture *subpicture);
|
|
|
|
guint
|
|
gst_vaapi_subpicture_get_flags(GstVaapiSubpicture *subpicture);
|
|
|
|
GstVaapiImage *
|
|
gst_vaapi_subpicture_get_image(GstVaapiSubpicture *subpicture);
|
|
|
|
gboolean
|
|
gst_vaapi_subpicture_set_image(GstVaapiSubpicture *subpicture,
|
|
GstVaapiImage *image);
|
|
|
|
gfloat
|
|
gst_vaapi_subpicture_get_global_alpha(GstVaapiSubpicture *subpicture);
|
|
|
|
gboolean
|
|
gst_vaapi_subpicture_set_global_alpha(GstVaapiSubpicture *subpicture,
|
|
gfloat global_alpha);
|
|
|
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVaapiSubpicture, gst_vaapi_subpicture_unref)
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* GST_VAAPI_SUBPICTURE_H */
|