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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.
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
/*
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* gstvaapitexture.h - VA texture abstraction
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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) 2012-2013 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_TEXTURE_H
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#define GST_VAAPI_TEXTURE_H
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#include <gst/vaapi/gstvaapitypes.h>
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#include <gst/vaapi/gstvaapisurface.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TEXTURE(obj) \
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((GstVaapiTexture *)(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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#define GST_VAAPI_TEXTURE_ID(texture) \
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gst_vaapi_texture_get_id (GST_VAAPI_TEXTURE (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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#define GST_VAAPI_TEXTURE_TARGET(texture) \
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gst_vaapi_texture_get_target (GST_VAAPI_TEXTURE (texture))
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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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#define GST_VAAPI_TEXTURE_FORMAT(texture) \
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gst_vaapi_texture_get_format (GST_VAAPI_TEXTURE (texture))
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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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#define GST_VAAPI_TEXTURE_WIDTH(texture) \
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gst_vaapi_texture_get_width (GST_VAAPI_TEXTURE (texture))
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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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#define GST_VAAPI_TEXTURE_HEIGHT(texture) \
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gst_vaapi_texture_get_height (GST_VAAPI_TEXTURE (texture))
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typedef struct _GstVaapiTexture GstVaapiTexture;
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/**
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* GstVaapiTextureOrientationFlags:
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* @GST_VAAPI_TEXTURE_ORIENTATION_FLAG_X_INVERTED: indicates whether
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* the right row comes first in memory.
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* @GST_VAAPI_TEXTURE_ORIENTATION_FLAG_Y_INVERTED: indicates whether
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* the bottom line comes first in memory.
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*
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* Additional flags to indicate whether the texture data is organized
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* in memory with the X or Y, or both, axis inverted. e.g. if only
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* @GST_VAAPI_TEXTURE_ORIENTATION_FLAG_Y_INVERTED is set, this means
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* that the bottom line comes first in memory, with pixels laid out
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* from the left to the right.
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*/
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typedef enum {
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GST_VAAPI_TEXTURE_ORIENTATION_FLAG_X_INVERTED = 1 << 31,
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GST_VAAPI_TEXTURE_ORIENTATION_FLAG_Y_INVERTED = 1 << 30,
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} GstVaapiTextureOrientationFlags;
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GstVaapiTexture *
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gst_vaapi_texture_new (GstVaapiDisplay * display, guint target, guint format,
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guint width, guint height);
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GstVaapiTexture *
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gst_vaapi_texture_new_wrapped (GstVaapiDisplay * display, guint id,
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guint target, guint format, guint width, guint height);
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GstVaapiTexture *
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gst_vaapi_texture_ref (GstVaapiTexture * texture);
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void
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gst_vaapi_texture_unref (GstVaapiTexture * texture);
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void
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gst_vaapi_texture_replace (GstVaapiTexture ** old_texture_ptr,
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GstVaapiTexture * new_texture);
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guint
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gst_vaapi_texture_get_id (GstVaapiTexture * texture);
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guint
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gst_vaapi_texture_get_target (GstVaapiTexture * texture);
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guint
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gst_vaapi_texture_get_format (GstVaapiTexture * texture);
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guint
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gst_vaapi_texture_get_width (GstVaapiTexture * texture);
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guint
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gst_vaapi_texture_get_height (GstVaapiTexture * texture);
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void
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gst_vaapi_texture_get_size (GstVaapiTexture * texture, guint * width_ptr,
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guint * height_ptr);
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guint
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gst_vaapi_texture_get_orientation_flags (GstVaapiTexture * texture);
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void
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gst_vaapi_texture_set_orientation_flags (GstVaapiTexture * texture,
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guint flags);
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gboolean
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gst_vaapi_texture_put_surface (GstVaapiTexture * texture,
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GstVaapiSurface * surface, const GstVaapiRectangle * crop_rect,
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guint flags);
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G_END_DECLS
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#endif /* GST_VAAPI_TEXTURE_H */
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