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

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/*
* gstvaapicontext.h - VA context abstraction
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Copyright (C) 2011-2012 Intel Corporation
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*
* 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.
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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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
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*
* 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
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*/
#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>
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G_BEGIN_DECLS
#define GST_VAAPI_CONTEXT(obj) \
((GstVaapiContext *)(obj))
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typedef struct _GstVaapiContext GstVaapiContext;
typedef struct _GstVaapiContextInfo GstVaapiContextInfo;
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/**
* 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;
};
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GstVaapiContext *
gst_vaapi_context_new(
GstVaapiDisplay *display,
GstVaapiProfile profile,
GstVaapiEntrypoint entrypoint,
guint width,
guint height
);
GstVaapiContext *
gst_vaapi_context_new_full(GstVaapiDisplay *display,
const GstVaapiContextInfo *cip);
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gboolean
gst_vaapi_context_reset(
GstVaapiContext *context,
GstVaapiProfile profile,
GstVaapiEntrypoint entrypoint,
guint width,
guint height
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);
gboolean
gst_vaapi_context_reset_full(GstVaapiContext *context,
const GstVaapiContextInfo *new_cip);
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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
);
GstVaapiSurfaceProxy *
gst_vaapi_context_get_surface_proxy(GstVaapiContext *context);
guint
gst_vaapi_context_get_surface_count(GstVaapiContext *context);
gboolean
gst_vaapi_context_apply_composition(
GstVaapiContext *context,
GstVideoOverlayComposition *composition
);
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G_END_DECLS
#endif /* GST_VAAPI_CONTEXT_H */