/* * 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/gstvaapiobject.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; 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_END_DECLS #endif /* GST_VAAPI_SUBPICTURE_H */