mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 23:46:43 +00:00
4505acc522
This conditional code was when libgstvaapi was intended to be library used outside GStreamer. This not the case anymore, thus removing it. https://bugzilla.gnome.org/show_bug.cgi?id=797139
373 lines
10 KiB
C
373 lines
10 KiB
C
/*
|
|
* gstvaapitexture.c - VA texture abstraction
|
|
*
|
|
* Copyright (C) 2010-2011 Splitted-Desktop Systems
|
|
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
|
|
* Copyright (C) 2012-2013 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
|
|
*/
|
|
|
|
/**
|
|
* SECTION:gstvaapitexture
|
|
* @short_description: VA/GLX texture abstraction
|
|
*/
|
|
|
|
#include "sysdeps.h"
|
|
#include "gstvaapitexture.h"
|
|
#include "gstvaapitexture_priv.h"
|
|
|
|
#define DEBUG 1
|
|
#include "gstvaapidebug.h"
|
|
|
|
#define GST_VAAPI_TEXTURE_ORIENTATION_FLAGS \
|
|
(GST_VAAPI_TEXTURE_ORIENTATION_FLAG_X_INVERTED | \
|
|
GST_VAAPI_TEXTURE_ORIENTATION_FLAG_Y_INVERTED)
|
|
|
|
static void
|
|
gst_vaapi_texture_init (GstVaapiTexture * texture, GstVaapiID id,
|
|
guint target, guint format, guint width, guint height)
|
|
{
|
|
texture->is_wrapped = id != GST_VAAPI_ID_INVALID;
|
|
GST_VAAPI_OBJECT_ID (texture) = texture->is_wrapped ? id : 0;
|
|
texture->gl_target = target;
|
|
texture->gl_format = format;
|
|
texture->width = width;
|
|
texture->height = height;
|
|
}
|
|
|
|
static inline gboolean
|
|
gst_vaapi_texture_allocate (GstVaapiTexture * texture)
|
|
{
|
|
return GST_VAAPI_TEXTURE_GET_CLASS (texture)->allocate (texture);
|
|
}
|
|
|
|
GstVaapiTexture *
|
|
gst_vaapi_texture_new_internal (const GstVaapiTextureClass * klass,
|
|
GstVaapiDisplay * display, GstVaapiID id, guint target, guint format,
|
|
guint width, guint height)
|
|
{
|
|
GstVaapiTexture *texture;
|
|
|
|
g_return_val_if_fail (target != 0, NULL);
|
|
g_return_val_if_fail (format != 0, NULL);
|
|
g_return_val_if_fail (width > 0, NULL);
|
|
g_return_val_if_fail (height > 0, NULL);
|
|
|
|
texture = gst_vaapi_object_new (GST_VAAPI_OBJECT_CLASS (klass), display);
|
|
if (!texture)
|
|
return NULL;
|
|
|
|
gst_vaapi_texture_init (texture, id, target, format, width, height);
|
|
if (!gst_vaapi_texture_allocate (texture))
|
|
goto error;
|
|
return texture;
|
|
|
|
/* ERRORS */
|
|
error:
|
|
{
|
|
gst_vaapi_object_unref (texture);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_new:
|
|
* @display: a #GstVaapiDisplay
|
|
* @target: the target to which the texture is bound
|
|
* @format: the format of the pixel data
|
|
* @width: the requested width, in pixels
|
|
* @height: the requested height, in pixels
|
|
*
|
|
* Creates a texture with the specified dimensions, @target and
|
|
* @format. Note that only GL_TEXTURE_2D @target and GL_RGBA or
|
|
* GL_BGRA formats are supported at this time.
|
|
*
|
|
* The application shall maintain the live GL context itself.
|
|
*
|
|
* Return value: the newly created #GstVaapiTexture object
|
|
*/
|
|
GstVaapiTexture *
|
|
gst_vaapi_texture_new (GstVaapiDisplay * display, guint target, guint format,
|
|
guint width, guint height)
|
|
{
|
|
GstVaapiDisplayClass *dpy_class;
|
|
|
|
g_return_val_if_fail (display != NULL, NULL);
|
|
g_return_val_if_fail (gst_vaapi_display_has_opengl (display), NULL);
|
|
|
|
dpy_class = GST_VAAPI_DISPLAY_GET_CLASS (display);
|
|
if (G_UNLIKELY (!dpy_class->create_texture))
|
|
return NULL;
|
|
return dpy_class->create_texture (display, GST_VAAPI_ID_INVALID, target,
|
|
format, width, height);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_new_wrapped:
|
|
* @display: a #GstVaapiDisplay
|
|
* @texture_id: the foreign GL texture name to use
|
|
* @target: the target to which the texture is bound
|
|
* @format: the format of the pixel data
|
|
* @width: the suggested width, in pixels
|
|
* @height: the suggested height, in pixels
|
|
*
|
|
* Creates a texture with the specified dimensions, @target and
|
|
* @format. Note that only GL_TEXTURE_2D @target and GL_RGBA or
|
|
* GL_BGRA formats are supported at this time.
|
|
*
|
|
* The size arguments @width and @height are only a suggestion. Should
|
|
* this be 0x0, then the actual size of the allocated texture storage
|
|
* would be either inherited from the original texture storage, if any
|
|
* and/or if possible, or derived from the VA surface in subsequent
|
|
* gst_vaapi_texture_put_surface() calls.
|
|
*
|
|
* The application shall maintain the live GL context itself.
|
|
*
|
|
* Return value: the newly created #GstVaapiTexture object
|
|
*/
|
|
GstVaapiTexture *
|
|
gst_vaapi_texture_new_wrapped (GstVaapiDisplay * display, guint id,
|
|
guint target, guint format, guint width, guint height)
|
|
{
|
|
GstVaapiDisplayClass *dpy_class;
|
|
|
|
g_return_val_if_fail (display != NULL, NULL);
|
|
g_return_val_if_fail (gst_vaapi_display_has_opengl (display), NULL);
|
|
|
|
dpy_class = GST_VAAPI_DISPLAY_GET_CLASS (display);
|
|
if (G_UNLIKELY (!dpy_class->create_texture))
|
|
return NULL;
|
|
return dpy_class->create_texture (display, id, target, format, width, height);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_ref:
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Atomically increases the reference count of the given @texture by one.
|
|
*
|
|
* Returns: The same @texture argument
|
|
*/
|
|
GstVaapiTexture *
|
|
gst_vaapi_texture_ref (GstVaapiTexture * texture)
|
|
{
|
|
return gst_vaapi_object_ref (GST_VAAPI_OBJECT (texture));
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_unref:
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Atomically decreases the reference count of the @texture by one. If
|
|
* the reference count reaches zero, the texture will be free'd.
|
|
*/
|
|
void
|
|
gst_vaapi_texture_unref (GstVaapiTexture * texture)
|
|
{
|
|
gst_vaapi_object_unref (GST_VAAPI_OBJECT (texture));
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_replace:
|
|
* @old_texture_ptr: a pointer to a #GstVaapiTexture
|
|
* @new_texture: a #GstVaapiTexture
|
|
*
|
|
* Atomically replaces the texture texture held in @old_texture_ptr
|
|
* with @new_texture. This means that @old_texture_ptr shall reference
|
|
* a valid texture. However, @new_texture can be NULL.
|
|
*/
|
|
void
|
|
gst_vaapi_texture_replace (GstVaapiTexture ** old_texture_ptr,
|
|
GstVaapiTexture * new_texture)
|
|
{
|
|
gst_vaapi_object_replace ((GstVaapiObject **) (old_texture_ptr),
|
|
GST_VAAPI_OBJECT (new_texture));
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_get_id:
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Returns the underlying texture id of the @texture.
|
|
*
|
|
* Return value: the underlying texture id of the @texture
|
|
*/
|
|
guint
|
|
gst_vaapi_texture_get_id (GstVaapiTexture * texture)
|
|
{
|
|
g_return_val_if_fail (texture != NULL, 0);
|
|
|
|
return GST_VAAPI_TEXTURE_ID (texture);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_get_target:
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Returns the @texture target type
|
|
*
|
|
* Return value: the texture target
|
|
*/
|
|
guint
|
|
gst_vaapi_texture_get_target (GstVaapiTexture * texture)
|
|
{
|
|
g_return_val_if_fail (texture != NULL, 0);
|
|
|
|
return GST_VAAPI_TEXTURE_TARGET (texture);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_get_format
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Returns the @texture format
|
|
*
|
|
* Return value: the texture format
|
|
*/
|
|
guint
|
|
gst_vaapi_texture_get_format (GstVaapiTexture * texture)
|
|
{
|
|
g_return_val_if_fail (texture != NULL, 0);
|
|
|
|
return GST_VAAPI_TEXTURE_FORMAT (texture);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_get_width:
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Returns the @texture width.
|
|
*
|
|
* Return value: the texture width, in pixels
|
|
*/
|
|
guint
|
|
gst_vaapi_texture_get_width (GstVaapiTexture * texture)
|
|
{
|
|
g_return_val_if_fail (texture != NULL, 0);
|
|
|
|
return GST_VAAPI_TEXTURE_WIDTH (texture);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_get_height:
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Returns the @texture height.
|
|
*
|
|
* Return value: the texture height, in pixels.
|
|
*/
|
|
guint
|
|
gst_vaapi_texture_get_height (GstVaapiTexture * texture)
|
|
{
|
|
g_return_val_if_fail (texture != NULL, 0);
|
|
|
|
return GST_VAAPI_TEXTURE_HEIGHT (texture);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_get_size:
|
|
* @texture: a #GstVaapiTexture
|
|
* @width_ptr: return location for the width, or %NULL
|
|
* @height_ptr: return location for the height, or %NULL
|
|
*
|
|
* Retrieves the dimensions of a #GstVaapiTexture.
|
|
*/
|
|
void
|
|
gst_vaapi_texture_get_size (GstVaapiTexture * texture,
|
|
guint * width_ptr, guint * height_ptr)
|
|
{
|
|
g_return_if_fail (texture != NULL);
|
|
|
|
if (width_ptr)
|
|
*width_ptr = GST_VAAPI_TEXTURE_WIDTH (texture);
|
|
|
|
if (height_ptr)
|
|
*height_ptr = GST_VAAPI_TEXTURE_HEIGHT (texture);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_get_orientation_flags:
|
|
* @texture: a #GstVaapiTexture
|
|
*
|
|
* Retrieves the texture memory layout flags, i.e. orientation.
|
|
*
|
|
* Return value: the #GstVaapiTextureOrientationFlags.
|
|
*/
|
|
guint
|
|
gst_vaapi_texture_get_orientation_flags (GstVaapiTexture * texture)
|
|
{
|
|
g_return_val_if_fail (texture != NULL, 0);
|
|
|
|
return GST_VAAPI_TEXTURE_FLAGS (texture) &
|
|
GST_VAAPI_TEXTURE_ORIENTATION_FLAGS;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_set_orientation_flags:
|
|
* @texture: a #GstVaapiTexture
|
|
* @flags: a bitmask of #GstVaapiTextureOrientationFlags
|
|
*
|
|
* Reset the texture orientation flags to the supplied set of
|
|
* @flags. This completely replaces the previously installed
|
|
* flags. So, should they still be needed, then they shall be
|
|
* retrieved first with gst_vaapi_texture_get_orientation_flags().
|
|
*/
|
|
void
|
|
gst_vaapi_texture_set_orientation_flags (GstVaapiTexture * texture, guint flags)
|
|
{
|
|
g_return_if_fail (texture != NULL);
|
|
g_return_if_fail ((flags & ~GST_VAAPI_TEXTURE_ORIENTATION_FLAGS) == 0);
|
|
|
|
GST_VAAPI_TEXTURE_FLAG_UNSET (texture, GST_VAAPI_TEXTURE_ORIENTATION_FLAGS);
|
|
GST_VAAPI_TEXTURE_FLAG_SET (texture, flags);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_texture_put_surface:
|
|
* @texture: a #GstVaapiTexture
|
|
* @surface: a #GstVaapiSurface
|
|
* @flags: postprocessing flags. See #GstVaapiTextureRenderFlags
|
|
*
|
|
* Renders the @surface into the àtexture. The @flags specify how
|
|
* de-interlacing (if needed), color space conversion, scaling and
|
|
* other postprocessing transformations are performed.
|
|
*
|
|
* Return value: %TRUE on success
|
|
*/
|
|
gboolean
|
|
gst_vaapi_texture_put_surface (GstVaapiTexture * texture,
|
|
GstVaapiSurface * surface, const GstVaapiRectangle * crop_rect, guint flags)
|
|
{
|
|
const GstVaapiTextureClass *klass;
|
|
GstVaapiRectangle rect;
|
|
|
|
g_return_val_if_fail (texture != NULL, FALSE);
|
|
g_return_val_if_fail (surface != NULL, FALSE);
|
|
|
|
klass = GST_VAAPI_TEXTURE_GET_CLASS (texture);
|
|
if (!klass)
|
|
return FALSE;
|
|
|
|
if (!crop_rect) {
|
|
rect.x = 0;
|
|
rect.y = 0;
|
|
gst_vaapi_surface_get_size (surface, &rect.width, &rect.height);
|
|
crop_rect = ▭
|
|
}
|
|
return klass->put_surface (texture, surface, crop_rect, flags);
|
|
}
|