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

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/*
* gstvaapiimage.h - VA image abstraction
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2011-2012 Intel Corporation
*
* 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>
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#include <gst/vaapi/video-format.h>
G_BEGIN_DECLS
#define GST_VAAPI_IMAGE(obj) \
((GstVaapiImage *)(obj))
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/**
* GST_VAAPI_IMAGE_FORMAT:
* @image: a #GstVaapiImage
*
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* Macro that evaluates to the #GstVideoFormat of @image.
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*/
#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)
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typedef struct _GstVaapiImage GstVaapiImage;
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typedef struct _GstVaapiImageRaw GstVaapiImageRaw;
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/**
* GstVaapiImageRaw:
*
* A raw image wrapper. The caller is responsible for initializing all
* the fields with sensible values.
*/
struct _GstVaapiImageRaw {
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GstVideoFormat format;
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guint width;
guint height;
guint num_planes;
guchar *pixels[3];
guint stride[3];
};
GstVaapiImage *
gst_vaapi_image_new(
GstVaapiDisplay *display,
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GstVideoFormat format,
guint width,
guint height
);
GstVaapiImage *
gst_vaapi_image_new_with_image(GstVaapiDisplay *display, VAImage *va_image);
GstVaapiID
gst_vaapi_image_get_id(GstVaapiImage *image);
gboolean
gst_vaapi_image_get_image(GstVaapiImage *image, VAImage *va_image);
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GstVideoFormat
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gst_vaapi_image_get_format(GstVaapiImage *image);
guint
gst_vaapi_image_get_width(GstVaapiImage *image);
guint
gst_vaapi_image_get_height(GstVaapiImage *image);
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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_get_raw(
GstVaapiImage *image,
GstVaapiImageRaw *dst_image,
GstVaapiRectangle *rect
);
gboolean
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gst_vaapi_image_update_from_buffer(
GstVaapiImage *image,
GstBuffer *buffer,
GstVaapiRectangle *rect
);
gboolean
gst_vaapi_image_update_from_raw(
GstVaapiImage *image,
GstVaapiImageRaw *src_image,
GstVaapiRectangle *rect
);
G_END_DECLS
#endif /* GST_VAAPI_IMAGE_H */