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

/*
 *  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/gstvaapiobject.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);
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 */