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/*
* gstvaapicontext.h - VA context 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_CONTEXT_H
#define GST_VAAPI_CONTEXT_H
#include <gst/vaapi/gstvaapiobject.h>
#include <gst/vaapi/gstvaapiprofile.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapisurface.h>
#include <gst/video/video-overlay-composition.h>
G_BEGIN_DECLS
#define GST_VAAPI_TYPE_CONTEXT \
(gst_vaapi_context_get_type())
#define GST_VAAPI_CONTEXT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_VAAPI_TYPE_CONTEXT, \
GstVaapiContext))
#define GST_VAAPI_CONTEXT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_VAAPI_TYPE_CONTEXT, \
GstVaapiContextClass))
#define GST_VAAPI_IS_CONTEXT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_CONTEXT))
#define GST_VAAPI_IS_CONTEXT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_CONTEXT))
#define GST_VAAPI_CONTEXT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_VAAPI_TYPE_CONTEXT, \
GstVaapiContextClass))
typedef struct _GstVaapiContext GstVaapiContext;
typedef struct _GstVaapiContextInfo GstVaapiContextInfo;
typedef struct _GstVaapiContextPrivate GstVaapiContextPrivate;
typedef struct _GstVaapiContextClass GstVaapiContextClass;
/**
* GstVaapiContextInfo:
*
* Structure holding VA context info like encoded size, decoder
* profile and entry-point to use, and maximum number of reference
* frames reported by the bitstream.
*/
struct _GstVaapiContextInfo {
GstVaapiProfile profile;
GstVaapiEntrypoint entrypoint;
guint width;
guint height;
guint ref_frames;
};
/**
* GstVaapiContext:
*
* A VA context wrapper.
*/
struct _GstVaapiContext {
/*< private >*/
GstVaapiObject parent_instance;
GstVaapiContextPrivate *priv;
};
/**
* GstVaapiContextClass:
*
* A VA context wrapper class.
*/
struct _GstVaapiContextClass {
/*< private >*/
GstVaapiObjectClass parent_class;
};
GType
gst_vaapi_context_get_type(void) G_GNUC_CONST;
GstVaapiContext *
gst_vaapi_context_new(
GstVaapiDisplay *display,
GstVaapiProfile profile,
GstVaapiEntrypoint entrypoint,
guint width,
guint height
);
GstVaapiContext *
gst_vaapi_context_new_full(GstVaapiDisplay *display, GstVaapiContextInfo *cip);
gboolean
gst_vaapi_context_reset(
GstVaapiContext *context,
GstVaapiProfile profile,
GstVaapiEntrypoint entrypoint,
guint width,
guint height
);
gboolean
gst_vaapi_context_reset_full(GstVaapiContext *context, GstVaapiContextInfo *cip);
GstVaapiID
gst_vaapi_context_get_id(GstVaapiContext *context);
GstVaapiProfile
gst_vaapi_context_get_profile(GstVaapiContext *context);
gboolean
gst_vaapi_context_set_profile(GstVaapiContext *context, GstVaapiProfile profile);
GstVaapiEntrypoint
gst_vaapi_context_get_entrypoint(GstVaapiContext *context);
void
gst_vaapi_context_get_size(
GstVaapiContext *context,
guint *pwidth,
guint *pheight
);
GstVaapiSurface *
gst_vaapi_context_get_surface(GstVaapiContext *context);
guint
gst_vaapi_context_get_surface_count(GstVaapiContext *context);
void
gst_vaapi_context_put_surface(GstVaapiContext *context, GstVaapiSurface *surface);
GstVaapiSurface *
gst_vaapi_context_find_surface_by_id(GstVaapiContext *context, GstVaapiID id);
gboolean
gst_vaapi_context_apply_composition(
GstVaapiContext *context,
GstVideoOverlayComposition *composition
);
G_END_DECLS
#endif /* GST_VAAPI_CONTEXT_H */
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