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164 lines
4 KiB
C
164 lines
4 KiB
C
/*
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* gstvaapiimage.h - VA image abstraction
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011-2012 Intel Corporation
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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_IMAGE_H
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#define GST_VAAPI_IMAGE_H
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#include <gst/gstbuffer.h>
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#include <gst/vaapi/gstvaapiobject.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapiimageformat.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_IMAGE(obj) \
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((GstVaapiImage *)(obj))
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#define GST_VAAPI_IS_IMAGE(obj) \
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((obj) != NULL)
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/**
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* GST_VAAPI_IMAGE_FORMAT:
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* @image: a #GstVaapiImage
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*
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* Macro that evaluates to the #GstVaapiImageFormat of @image.
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*/
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#define GST_VAAPI_IMAGE_FORMAT(image) gst_vaapi_image_get_format(image)
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/**
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* GST_VAAPI_IMAGE_WIDTH:
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* @image: a #GstVaapiImage
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*
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* Macro that evaluates to the width of @image.
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*/
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#define GST_VAAPI_IMAGE_WIDTH(image) gst_vaapi_image_get_width(image)
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/**
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* GST_VAAPI_IMAGE_HEIGHT:
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* @image: a #GstVaapiImage
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*
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* Macro that evaluates to the height of @image.
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*/
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#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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/**
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* GstVaapiImageRaw:
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*
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* A raw image wrapper. The caller is responsible for initializing all
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* the fields with sensible values.
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*/
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struct _GstVaapiImageRaw {
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GstVaapiImageFormat format;
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guint width;
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guint height;
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guint num_planes;
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guchar *pixels[3];
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guint stride[3];
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};
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GstVaapiImage *
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gst_vaapi_image_new(
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GstVaapiDisplay *display,
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GstVaapiImageFormat format,
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guint width,
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guint height
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);
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GstVaapiImage *
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gst_vaapi_image_new_with_image(GstVaapiDisplay *display, VAImage *va_image);
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GstVaapiID
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gst_vaapi_image_get_id(GstVaapiImage *image);
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gboolean
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gst_vaapi_image_get_image(GstVaapiImage *image, VAImage *va_image);
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GstVaapiImageFormat
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gst_vaapi_image_get_format(GstVaapiImage *image);
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guint
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gst_vaapi_image_get_width(GstVaapiImage *image);
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guint
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gst_vaapi_image_get_height(GstVaapiImage *image);
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void
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gst_vaapi_image_get_size(GstVaapiImage *image, guint *pwidth, guint *pheight);
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gboolean
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gst_vaapi_image_is_linear(GstVaapiImage *image);
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gboolean
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gst_vaapi_image_is_mapped(GstVaapiImage *image);
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gboolean
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gst_vaapi_image_map(GstVaapiImage *image);
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gboolean
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gst_vaapi_image_unmap(GstVaapiImage *image);
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guint
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gst_vaapi_image_get_plane_count(GstVaapiImage *image);
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guchar *
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gst_vaapi_image_get_plane(GstVaapiImage *image, guint plane);
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guint
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gst_vaapi_image_get_pitch(GstVaapiImage *image, guint plane);
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guint
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gst_vaapi_image_get_data_size(GstVaapiImage *image);
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gboolean
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gst_vaapi_image_get_buffer(
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GstVaapiImage *image,
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GstBuffer *buffer,
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GstVaapiRectangle *rect
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);
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gboolean
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gst_vaapi_image_get_raw(
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GstVaapiImage *image,
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GstVaapiImageRaw *dst_image,
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GstVaapiRectangle *rect
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);
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gboolean
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gst_vaapi_image_update_from_buffer(
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GstVaapiImage *image,
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GstBuffer *buffer,
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GstVaapiRectangle *rect
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);
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gboolean
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gst_vaapi_image_update_from_raw(
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GstVaapiImage *image,
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GstVaapiImageRaw *src_image,
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GstVaapiRectangle *rect
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);
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G_END_DECLS
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#endif /* GST_VAAPI_IMAGE_H */
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