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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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4ca1f3f47c
Make it possible to specify the maximum number of references to use within a single VA context. This helps reducing GPU memory allocations to the useful number of references to be used.
166 lines
4.7 KiB
C
166 lines
4.7 KiB
C
/*
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* gstvaapicontext.h - VA context abstraction
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011 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_CONTEXT_H
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#define GST_VAAPI_CONTEXT_H
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#include <gst/vaapi/gstvaapiobject.h>
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#include <gst/vaapi/gstvaapiprofile.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapisurface.h>
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#include <gst/video/video-overlay-composition.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_CONTEXT \
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(gst_vaapi_context_get_type())
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#define GST_VAAPI_CONTEXT(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_VAAPI_TYPE_CONTEXT, \
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GstVaapiContext))
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#define GST_VAAPI_CONTEXT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), \
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GST_VAAPI_TYPE_CONTEXT, \
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GstVaapiContextClass))
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#define GST_VAAPI_IS_CONTEXT(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_CONTEXT))
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#define GST_VAAPI_IS_CONTEXT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_CONTEXT))
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#define GST_VAAPI_CONTEXT_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj), \
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GST_VAAPI_TYPE_CONTEXT, \
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GstVaapiContextClass))
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typedef struct _GstVaapiContext GstVaapiContext;
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typedef struct _GstVaapiContextInfo GstVaapiContextInfo;
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typedef struct _GstVaapiContextPrivate GstVaapiContextPrivate;
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typedef struct _GstVaapiContextClass GstVaapiContextClass;
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/**
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* GstVaapiContextInfo:
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*
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* Structure holding VA context info like encoded size, decoder
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* profile and entry-point to use, and maximum number of reference
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* frames reported by the bitstream.
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*/
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struct _GstVaapiContextInfo {
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GstVaapiProfile profile;
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GstVaapiEntrypoint entrypoint;
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guint width;
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guint height;
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guint ref_frames;
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};
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/**
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* GstVaapiContext:
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*
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* A VA context wrapper.
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*/
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struct _GstVaapiContext {
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/*< private >*/
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GstVaapiObject parent_instance;
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GstVaapiContextPrivate *priv;
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};
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/**
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* GstVaapiContextClass:
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*
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* A VA context wrapper class.
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*/
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struct _GstVaapiContextClass {
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/*< private >*/
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GstVaapiObjectClass parent_class;
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};
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GType
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gst_vaapi_context_get_type(void) G_GNUC_CONST;
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GstVaapiContext *
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gst_vaapi_context_new(
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GstVaapiDisplay *display,
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GstVaapiProfile profile,
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GstVaapiEntrypoint entrypoint,
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guint width,
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guint height
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);
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GstVaapiContext *
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gst_vaapi_context_new_full(GstVaapiDisplay *display, GstVaapiContextInfo *cip);
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gboolean
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gst_vaapi_context_reset(
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GstVaapiContext *context,
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GstVaapiProfile profile,
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GstVaapiEntrypoint entrypoint,
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guint width,
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guint height
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);
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gboolean
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gst_vaapi_context_reset_full(GstVaapiContext *context, GstVaapiContextInfo *cip);
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GstVaapiID
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gst_vaapi_context_get_id(GstVaapiContext *context);
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GstVaapiProfile
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gst_vaapi_context_get_profile(GstVaapiContext *context);
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gboolean
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gst_vaapi_context_set_profile(GstVaapiContext *context, GstVaapiProfile profile);
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GstVaapiEntrypoint
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gst_vaapi_context_get_entrypoint(GstVaapiContext *context);
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void
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gst_vaapi_context_get_size(
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GstVaapiContext *context,
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guint *pwidth,
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guint *pheight
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);
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GstVaapiSurface *
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gst_vaapi_context_get_surface(GstVaapiContext *context);
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guint
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gst_vaapi_context_get_surface_count(GstVaapiContext *context);
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void
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gst_vaapi_context_put_surface(GstVaapiContext *context, GstVaapiSurface *surface);
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GstVaapiSurface *
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gst_vaapi_context_find_surface_by_id(GstVaapiContext *context, GstVaapiID id);
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gboolean
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gst_vaapi_context_apply_composition(
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GstVaapiContext *context,
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GstVideoOverlayComposition *composition
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);
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G_END_DECLS
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#endif /* GST_VAAPI_CONTEXT_H */
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