gstreamer/subprojects/gstreamer-vaapi/gst-libs/gst/vaapi/gstvaapiimage.h

174 lines
4.3 KiB
C

/*
* gstvaapiimage.h - VA image 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_IMAGE_H
#define GST_VAAPI_IMAGE_H
#include <gst/gstbuffer.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/video-format.h>
G_BEGIN_DECLS
#define GST_VAAPI_IMAGE(obj) \
((GstVaapiImage *)(obj))
/**
* GST_VAAPI_IMAGE_FORMAT:
* @image: a #GstVaapiImage
*
* Macro that evaluates to the #GstVideoFormat of @image.
*/
#define GST_VAAPI_IMAGE_FORMAT(image) gst_vaapi_image_get_format(image)
/**
* GST_VAAPI_IMAGE_WIDTH:
* @image: a #GstVaapiImage
*
* Macro that evaluates to the width of @image.
*/
#define GST_VAAPI_IMAGE_WIDTH(image) gst_vaapi_image_get_width(image)
/**
* GST_VAAPI_IMAGE_HEIGHT:
* @image: a #GstVaapiImage
*
* Macro that evaluates to the height of @image.
*/
#define GST_VAAPI_IMAGE_HEIGHT(image) gst_vaapi_image_get_height(image)
/**
* GST_VAAPI_IMAGE_DISPLAY:
* @image: a #GstVaapiImage
*
* Macro that evaluates to the display of @image
*/
#define GST_VAAPI_IMAGE_DISPLAY(image) gst_vaapi_image_get_display(image)
/**
* GST_VAAPI_IMAGE_ID:
* @image: a #GstVaapiImage
*
* Macro that evaluates to the ID of @image
*/
#define GST_VAAPI_IMAGE_ID(image) gst_vaapi_image_get_id(image)
#define GST_TYPE_VAAPI_IMAGE (gst_vaapi_image_get_type ())
typedef struct _GstVaapiImage GstVaapiImage;
GType
gst_vaapi_image_get_type (void) G_GNUC_CONST;
GstVaapiDisplay *
gst_vaapi_image_get_display (GstVaapiImage * image);
GstVaapiImage *
gst_vaapi_image_new(
GstVaapiDisplay *display,
GstVideoFormat format,
guint width,
guint height
);
GstVaapiImage *
gst_vaapi_image_new_with_image(GstVaapiDisplay *display, VAImage *va_image);
/**
* gst_vaapi_image_unref: (skip)
* @image: (transfer full): a #GstVaapiImage.
*
* Decreases the refcount of the image. If the refcount reaches 0, the
* image will be freed.
*/
static inline void
gst_vaapi_image_unref (GstVaapiImage * image)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (image));
}
GstVaapiID
gst_vaapi_image_get_id(GstVaapiImage *image);
gboolean
gst_vaapi_image_get_image(GstVaapiImage *image, VAImage *va_image);
GstVideoFormat
gst_vaapi_image_get_format(GstVaapiImage *image);
guint
gst_vaapi_image_get_width(GstVaapiImage *image);
guint
gst_vaapi_image_get_height(GstVaapiImage *image);
void
gst_vaapi_image_get_size(GstVaapiImage *image, guint *pwidth, guint *pheight);
gboolean
gst_vaapi_image_is_linear(GstVaapiImage *image);
gboolean
gst_vaapi_image_is_mapped(GstVaapiImage *image);
gboolean
gst_vaapi_image_map(GstVaapiImage *image);
gboolean
gst_vaapi_image_unmap(GstVaapiImage *image);
guint
gst_vaapi_image_get_plane_count(GstVaapiImage *image);
guchar *
gst_vaapi_image_get_plane(GstVaapiImage *image, guint plane);
guint
gst_vaapi_image_get_pitch(GstVaapiImage *image, guint plane);
guint
gst_vaapi_image_get_data_size(GstVaapiImage *image);
gboolean
gst_vaapi_image_get_buffer(
GstVaapiImage *image,
GstBuffer *buffer,
GstVaapiRectangle *rect
);
gboolean
gst_vaapi_image_update_from_buffer(
GstVaapiImage *image,
GstBuffer *buffer,
GstVaapiRectangle *rect
);
gboolean
gst_vaapi_image_copy(GstVaapiImage *dst_image, GstVaapiImage *src_image);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVaapiImage, gst_vaapi_image_unref)
G_END_DECLS
#endif /* GST_VAAPI_IMAGE_H */