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138 lines
4.2 KiB
C
138 lines
4.2 KiB
C
/*
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* gstvaapipixmap_priv.h - Pixmap abstraction (private definitions)
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*
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* Copyright (C) 2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_PIXMAP_PRIV_H
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#define GST_VAAPI_PIXMAP_PRIV_H
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#include "gstvaapiobject_priv.h"
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G_BEGIN_DECLS
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#define GST_VAAPI_PIXMAP_CLASS(klass) \
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((GstVaapiPixmapClass *)(klass))
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#define GST_VAAPI_PIXMAP_GET_CLASS(obj) \
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GST_VAAPI_PIXMAP_CLASS(GST_VAAPI_OBJECT_GET_CLASS(obj))
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/**
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* GST_VAAPI_PIXMAP_FORMAT:
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* @pixmap: a #GstVaapiPixmap
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*
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* Macro that evaluates to the format in pixels of the @pixmap.
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*/
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#undef GST_VAAPI_PIXMAP_FORMAT
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#define GST_VAAPI_PIXMAP_FORMAT(pixmap) \
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(GST_VAAPI_PIXMAP(pixmap)->format)
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/**
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* GST_VAAPI_PIXMAP_WIDTH:
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* @pixmap: a #GstVaapiPixmap
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*
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* Macro that evaluates to the width in pixels of the @pixmap.
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*/
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#undef GST_VAAPI_PIXMAP_WIDTH
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#define GST_VAAPI_PIXMAP_WIDTH(pixmap) \
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(GST_VAAPI_PIXMAP(pixmap)->width)
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/**
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* GST_VAAPI_PIXMAP_HEIGHT:
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* @pixmap: a #GstVaapiPixmap
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*
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* Macro that evaluates to the height in pixels of the @pixmap.
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*/
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#undef GST_VAAPI_PIXMAP_HEIGHT
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#define GST_VAAPI_PIXMAP_HEIGHT(pixmap) \
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(GST_VAAPI_PIXMAP(pixmap)->height)
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/* GstVaapiPixmapClass hooks */
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typedef gboolean (*GstVaapiPixmapCreateFunc) (GstVaapiPixmap *pixmap);
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typedef gboolean (*GstVaapiPixmapRenderFunc) (GstVaapiPixmap *pixmap,
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GstVaapiSurface *surface, const GstVaapiRectangle *crop_rect, guint flags);
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/**
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* GstVaapiPixmap:
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*
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* Base class for system-dependent pixmaps.
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*/
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struct _GstVaapiPixmap {
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/*< private >*/
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GstVaapiObject parent_instance;
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/*< protected >*/
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GstVideoFormat format;
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guint width;
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guint height;
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guint use_foreign_pixmap : 1;
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};
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/**
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* GstVaapiPixmapClass:
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* @create: virtual function to create a pixmap with width and height
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* @render: virtual function to render a #GstVaapiSurface into a pixmap
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*
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* Base class for system-dependent pixmaps.
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*/
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struct _GstVaapiPixmapClass {
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/*< private >*/
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GstVaapiObjectClass parent_class;
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/*< protected >*/
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GstVaapiPixmapCreateFunc create;
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GstVaapiPixmapRenderFunc render;
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};
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GstVaapiPixmap *
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gst_vaapi_pixmap_new(const GstVaapiPixmapClass *pixmap_class,
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GstVaapiDisplay *display, GstVideoFormat format, guint width, guint height);
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GstVaapiPixmap *
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gst_vaapi_pixmap_new_from_native(const GstVaapiPixmapClass *pixmap_class,
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GstVaapiDisplay *display, gpointer native_pixmap);
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/* Inline reference counting for core libgstvaapi library */
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#ifdef GST_VAAPI_CORE
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#define gst_vaapi_pixmap_ref_internal(pixmap) \
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((gpointer)gst_vaapi_mini_object_ref(GST_VAAPI_MINI_OBJECT(pixmap)))
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#define gst_vaapi_pixmap_unref_internal(pixmap) \
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gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(pixmap))
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#define gst_vaapi_pixmap_replace_internal(old_pixmap_ptr, new_pixmap) \
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gst_vaapi_mini_object_replace((GstVaapiMiniObject **)(old_pixmap_ptr), \
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GST_VAAPI_MINI_OBJECT(new_pixmap))
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#undef gst_vaapi_pixmap_ref
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#define gst_vaapi_pixmap_ref(pixmap) \
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gst_vaapi_pixmap_ref_internal((pixmap))
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#undef gst_vaapi_pixmap_unref
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#define gst_vaapi_pixmap_unref(pixmap) \
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gst_vaapi_pixmap_unref_internal((pixmap))
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#undef gst_vaapi_pixmap_replace
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#define gst_vaapi_pixmap_replace(old_pixmap_ptr, new_pixmap) \
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gst_vaapi_pixmap_replace_internal((old_pixmap_ptr), (new_pixmap))
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#endif
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G_END_DECLS
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#endif /* GST_VAAPI_PIXMAP_PRIV_H */
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