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/*
* gstvaapisurface.h - VA surface abstraction
*
* gstreamer-vaapi (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2011 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_SURFACE_H
#define GST_VAAPI_SURFACE_H
#include <gst/vaapi/gstvaapiobject.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiimage.h>
#include <gst/vaapi/gstvaapisubpicture.h>
#include <gst/video/gstsurfacebuffer.h>
#include <gst/video/video-overlay-composition.h>
G_BEGIN_DECLS
typedef enum _GstVaapiChromaType GstVaapiChromaType;
typedef enum _GstVaapiSurfaceStatus GstVaapiSurfaceStatus;
typedef enum _GstVaapiSurfaceRenderFlags GstVaapiSurfaceRenderFlags;
/**
* GST_VAAPI_SURFACE_CAPS_NAME:
*
* Generic caps type for VA surfaces.
*/
#define GST_VAAPI_SURFACE_CAPS_NAME GST_VIDEO_CAPS_SURFACE
/**
* GST_VAAPI_SURFACE_CAPS:
*
* Generic caps for VA surfaces.
*/
#define GST_VAAPI_SURFACE_CAPS \
GST_VAAPI_SURFACE_CAPS_NAME ", " \
"type = vaapi, " \
"opengl = (boolean) { true, false }, " \
"width = (int) [ 1, MAX ], " \
"height = (int) [ 1, MAX ], " \
"framerate = (fraction) [ 0, MAX ]"
/**
* GstVaapiChromaType:
* @GST_VAAPI_CHROMA_TYPE_YUV420: 4:2:0 chroma format
* @GST_VAAPI_CHROMA_TYPE_YUV422: 4:2:2 chroma format
* @GST_VAAPI_CHROMA_TYPE_YUV444: 4:4:4 chroma format
*
* The set of all chroma types for #GstVaapiSurface.
*/
enum _GstVaapiChromaType {
GST_VAAPI_CHROMA_TYPE_YUV420 = 1,
GST_VAAPI_CHROMA_TYPE_YUV422,
GST_VAAPI_CHROMA_TYPE_YUV444
};
/**
* GstVaapiSurfaceStatus:
* @GST_VAAPI_SURFACE_STATUS_IDLE:
* the surface is not being rendered or displayed
* @GST_VAAPI_SURFACE_STATUS_RENDERING:
* the surface is used for rendering (decoding to the surface in progress)
* @GST_VAAPI_SURFACE_STATUS_DISPLAYING:
* the surface is being displayed to screen
* @GST_VAAPI_SURFACE_STATUS_SKIPPED:
* indicates a skipped frame during encode
*
* The set of all surface status for #GstVaapiSurface.
*/
enum _GstVaapiSurfaceStatus {
GST_VAAPI_SURFACE_STATUS_IDLE = 1 << 0,
GST_VAAPI_SURFACE_STATUS_RENDERING = 1 << 1,
GST_VAAPI_SURFACE_STATUS_DISPLAYING = 1 << 2,
GST_VAAPI_SURFACE_STATUS_SKIPPED = 1 << 3
};
/**
* GstVaapiSurfaceRenderFlags
* @GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD:
* selects the top field of the surface
* @GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD:
* selects the bottom field of the surface
* @GST_VAAPI_PICTURE_STRUCTURE_FRAME:
* selects the entire surface
* @GST_VAAPI_COLOR_STANDARD_ITUR_BT_601:
* uses ITU-R BT.601 standard for color space conversion
* @GST_VAAPI_COLOR_STANDARD_ITUR_BT_709:
* uses ITU-R BT.709 standard for color space conversion
*
* The set of all render flags for gst_vaapi_window_put_surface().
*/
enum _GstVaapiSurfaceRenderFlags {
GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD = 1 << 0,
GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD = 1 << 1,
GST_VAAPI_PICTURE_STRUCTURE_FRAME =
(
GST_VAAPI_PICTURE_STRUCTURE_TOP_FIELD |
GST_VAAPI_PICTURE_STRUCTURE_BOTTOM_FIELD
),
GST_VAAPI_COLOR_STANDARD_ITUR_BT_601 = 1 << 2,
GST_VAAPI_COLOR_STANDARD_ITUR_BT_709 = 1 << 3,
};
#define GST_VAAPI_TYPE_SURFACE \
(gst_vaapi_surface_get_type())
#define GST_VAAPI_SURFACE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_SURFACE, \
GstVaapiSurface))
#define GST_VAAPI_SURFACE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_SURFACE, \
GstVaapiSurfaceClass))
#define GST_VAAPI_IS_SURFACE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_SURFACE))
#define GST_VAAPI_IS_SURFACE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_SURFACE))
#define GST_VAAPI_SURFACE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_SURFACE, \
GstVaapiSurfaceClass))
typedef struct _GstVaapiSurface GstVaapiSurface;
typedef struct _GstVaapiSurfacePrivate GstVaapiSurfacePrivate;
typedef struct _GstVaapiSurfaceClass GstVaapiSurfaceClass;
/**
* GstVaapiSurface:
*
* A VA surface wrapper.
*/
struct _GstVaapiSurface {
/*< private >*/
GstVaapiObject parent_instance;
GstVaapiSurfacePrivate *priv;
};
/**
* GstVaapiSurfaceClass:
*
* A VA surface wrapper class.
*/
struct _GstVaapiSurfaceClass {
/*< private >*/
GstVaapiObjectClass parent_class;
};
GType
gst_vaapi_surface_get_type(void);
GstVaapiSurface *
gst_vaapi_surface_new(
GstVaapiDisplay *display,
GstVaapiChromaType chroma_type,
guint width,
guint height
);
GstVaapiID
gst_vaapi_surface_get_id(GstVaapiSurface *surface);
GstVaapiChromaType
gst_vaapi_surface_get_chroma_type(GstVaapiSurface *surface);
guint
gst_vaapi_surface_get_width(GstVaapiSurface *surface);
guint
gst_vaapi_surface_get_height(GstVaapiSurface *surface);
void
gst_vaapi_surface_get_size(
GstVaapiSurface *surface,
guint *pwidth,
guint *pheight
);
GstVaapiImage *
gst_vaapi_surface_derive_image(GstVaapiSurface *surface);
gboolean
gst_vaapi_surface_get_image(GstVaapiSurface *surface, GstVaapiImage *image);
gboolean
gst_vaapi_surface_put_image(GstVaapiSurface *surface, GstVaapiImage *image);
gboolean
gst_vaapi_surface_associate_subpicture(
GstVaapiSurface *surface,
GstVaapiSubpicture *subpicture,
const GstVaapiRectangle *src_rect,
const GstVaapiRectangle *dst_rect
);
gboolean
gst_vaapi_surface_deassociate_subpicture(
GstVaapiSurface *surface,
GstVaapiSubpicture *subpicture
);
gboolean
gst_vaapi_surface_sync(GstVaapiSurface *surface);
gboolean
gst_vaapi_surface_query_status(
GstVaapiSurface *surface,
GstVaapiSurfaceStatus *pstatus
);
gboolean
gst_vaapi_surface_update_composition(
GstVaapiSurface *surface,
GstVideoOverlayComposition *composition
);
G_END_DECLS
#endif /* GST_VAAPI_SURFACE_H */
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