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6a465ae793
Add support for GstVideoGLTextureOrientation modes. In particular, add orientation flags to the GstVaapiTexture wrapper and the GLX implementations. Default mode is that texture memory is laid out with top lines first, left row first. Flags indicate whether the X or Y axis need to be inverted.
165 lines
5 KiB
C
165 lines
5 KiB
C
/*
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* gstvaapitexture_priv.h - VA texture abstraction (private definitions)
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2012-2014 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_TEXTURE_PRIV_H
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#define GST_VAAPI_TEXTURE_PRIV_H
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#include "gstvaapiobject_priv.h"
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G_BEGIN_DECLS
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#define GST_VAAPI_TEXTURE_CLASS(klass) \
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((GstVaapiTextureClass *)(klass))
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#define GST_VAAPI_TEXTURE_GET_CLASS(obj) \
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GST_VAAPI_TEXTURE_CLASS (GST_VAAPI_OBJECT_GET_CLASS (obj))
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/**
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* GST_VAAPI_TEXTURE_ID:
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* @texture: a #GstVaapiTexture
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*
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* Macro that evaluates to the GL texture id associated with the @texture
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*/
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#undef GST_VAAPI_TEXTURE_ID
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#define GST_VAAPI_TEXTURE_ID(texture) \
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(GST_VAAPI_OBJECT_ID (texture))
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/**
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* GST_VAAPI_TEXTURE_TARGET:
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* @texture: a #GstVaapiTexture
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*
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* Macro that evaluates to the GL texture target associated with the @texture
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*/
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#undef GST_VAAPI_TEXTURE_TARGET
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#define GST_VAAPI_TEXTURE_TARGET(texture) \
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(GST_VAAPI_TEXTURE (texture)->gl_target)
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/**
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* GST_VAAPI_TEXTURE_FORMAT:
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* @texture: a #GstVaapiTexture
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*
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* Macro that evaluates to the GL texture format associated with the @texture
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*/
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#undef GST_VAAPI_TEXTURE_FORMAT
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#define GST_VAAPI_TEXTURE_FORMAT(texture) \
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(GST_VAAPI_TEXTURE (texture)->gl_format)
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/**
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* GST_VAAPI_TEXTURE_WIDTH:
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* @texture: a #GstVaapiTexture
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*
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* Macro that evaluates to the GL texture width associated with the @texture
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*/
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#undef GST_VAAPI_TEXTURE_WIDTH
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#define GST_VAAPI_TEXTURE_WIDTH(texture) \
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(GST_VAAPI_TEXTURE (texture)->width)
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/**
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* GST_VAAPI_TEXTURE_HEIGHT:
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* @texture: a #GstVaapiTexture
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*
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* Macro that evaluates to the GL texture height associated with the @texture
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*/
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#undef GST_VAAPI_TEXTURE_HEIGHT
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#define GST_VAAPI_TEXTURE_HEIGHT(texture) \
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(GST_VAAPI_TEXTURE (texture)->height)
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#define GST_VAAPI_TEXTURE_FLAGS GST_VAAPI_MINI_OBJECT_FLAGS
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#define GST_VAAPI_TEXTURE_FLAG_IS_SET GST_VAAPI_MINI_OBJECT_FLAG_IS_SET
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#define GST_VAAPI_TEXTURE_FLAG_SET GST_VAAPI_MINI_OBJECT_FLAG_SET
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#define GST_VAAPI_TEXTURE_FLAG_UNSET GST_VAAPI_MINI_OBJECT_FLAG_UNSET
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/* GstVaapiTextureClass hooks */
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typedef gboolean (*GstVaapiTextureAllocateFunc) (GstVaapiTexture * texture);
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typedef gboolean (*GstVaapiTexturePutSurfaceFunc) (GstVaapiTexture * texture,
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GstVaapiSurface * surface, const GstVaapiRectangle * crop_rect,
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guint flags);
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typedef struct _GstVaapiTextureClass GstVaapiTextureClass;
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/**
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* GstVaapiTexture:
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*
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* Base class for API-dependent textures.
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*/
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struct _GstVaapiTexture {
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/*< private >*/
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GstVaapiObject parent_instance;
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/*< protected >*/
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guint gl_target;
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guint gl_format;
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guint width;
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guint height;
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guint is_wrapped:1;
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};
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/**
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* GstVaapiTextureClass:
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* @put_surface: virtual function to render a #GstVaapiSurface into a texture
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*
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* Base class for API-dependent textures.
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*/
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struct _GstVaapiTextureClass {
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/*< private >*/
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GstVaapiObjectClass parent_class;
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/*< protected >*/
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GstVaapiTextureAllocateFunc allocate;
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GstVaapiTexturePutSurfaceFunc put_surface;
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};
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GstVaapiTexture *
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gst_vaapi_texture_new_internal (const GstVaapiTextureClass * klass,
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GstVaapiDisplay * display, GstVaapiID id, guint target, guint format,
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guint width, guint height);
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/* Inline reference counting for core libgstvaapi library */
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#ifdef IN_LIBGSTVAAPI_CORE
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#define gst_vaapi_texture_ref_internal(texture) \
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((gpointer)gst_vaapi_mini_object_ref (GST_VAAPI_MINI_OBJECT (texture)))
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#define gst_vaapi_texture_unref_internal(texture) \
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gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (texture))
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#define gst_vaapi_texture_replace_internal(old_texture_ptr, new_texture) \
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gst_vaapi_mini_object_replace ((GstVaapiMiniObject **)(old_texture_ptr), \
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GST_VAAPI_MINI_OBJECT (new_texture))
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#undef gst_vaapi_texture_ref
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#define gst_vaapi_texture_ref(texture) \
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gst_vaapi_texture_ref_internal ((texture))
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#undef gst_vaapi_texture_unref
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#define gst_vaapi_texture_unref(texture) \
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gst_vaapi_texture_unref_internal ((texture))
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#undef gst_vaapi_texture_replace
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#define gst_vaapi_texture_replace(old_texture_ptr, new_texture) \
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gst_vaapi_texture_replace_internal ((old_texture_ptr), (new_texture))
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#endif
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G_END_DECLS
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#endif /* GST_VAAPI_TEXTURE_PRIV_H */
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