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171 lines
4.6 KiB
C
171 lines
4.6 KiB
C
/*
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* gstvaapicontext.h - VA context abstraction (private)
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2014 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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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 "gstvaapiprofile.h"
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#include "gstvaapidisplay.h"
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#include "gstvaapisurface.h"
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#include "gstvaapiutils_core.h"
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#include "gstvaapivideopool.h"
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G_BEGIN_DECLS
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#define GST_VAAPI_CONTEXT(obj) \
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((GstVaapiContext *) (obj))
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typedef struct _GstVaapiConfigInfoEncoder GstVaapiConfigInfoEncoder;
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typedef struct _GstVaapiContextInfo GstVaapiContextInfo;
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typedef struct _GstVaapiContext GstVaapiContext;
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/**
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* GstVaapiContextUsage:
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* @GST_VAAPI_CONTEXT_MODE_DECODE: context used for decoding.
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* @GST_VAAPI_CONTEXT_MODE_ENCODE: context used for encoding.
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* @GST_VAAPI_CONTEXT_MODE_VPP: context used for video processing.
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*
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* The set of supported VA context usages.
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*/
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typedef enum {
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GST_VAAPI_CONTEXT_USAGE_DECODE = 1,
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GST_VAAPI_CONTEXT_USAGE_ENCODE,
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GST_VAAPI_CONTEXT_USAGE_VPP,
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} GstVaapiContextUsage;
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/**
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* GstVaapiConfigInfoEncoder:
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* @rc_mode: rate-control mode (#GstVaapiRateControl).
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* @packed_headers: notify encoder that packed headers are submitted (mask).
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* @roi_capability: if encoder supports regions-of-interest.
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* @roi_num_supported: The number of regions-of-interest supported.
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*
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* Extra configuration for encoding.
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*/
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struct _GstVaapiConfigInfoEncoder
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{
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GstVaapiRateControl rc_mode;
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guint packed_headers;
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gboolean roi_capability;
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guint roi_num_supported;
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};
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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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{
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GstVaapiContextUsage usage;
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GstVaapiProfile profile;
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GstVaapiEntrypoint entrypoint;
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GstVaapiChromaType chroma_type;
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guint width;
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guint height;
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guint ref_frames;
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union _GstVaapiConfigInfo {
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GstVaapiConfigInfoEncoder encoder;
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} config;
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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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{
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/*< private >*/
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gint ref_count;
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GstVaapiDisplay *display;
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GstVaapiID object_id;
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/*< public >*/
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GstVaapiContextInfo info;
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VAProfile va_profile;
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VAEntrypoint va_entrypoint;
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VAConfigID va_config;
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GPtrArray *surfaces;
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GstVaapiVideoPool *surfaces_pool;
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gboolean reset_on_resize;
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GstVaapiConfigSurfaceAttributes *attribs;
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GstVideoFormat preferred_format;
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};
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#define GST_VAAPI_CONTEXT_ID(context) (((GstVaapiContext *)(context))->object_id)
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#define GST_VAAPI_CONTEXT_DISPLAY(context) (((GstVaapiContext *)(context))->display)
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G_GNUC_INTERNAL
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GstVaapiContext *
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gst_vaapi_context_new (GstVaapiDisplay * display,
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const GstVaapiContextInfo * cip);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_context_reset (GstVaapiContext * context,
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const GstVaapiContextInfo * new_cip);
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G_GNUC_INTERNAL
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GstVaapiID
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gst_vaapi_context_get_id (GstVaapiContext * context);
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G_GNUC_INTERNAL
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GstVaapiSurfaceProxy *
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gst_vaapi_context_get_surface_proxy (GstVaapiContext * context);
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G_GNUC_INTERNAL
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guint
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gst_vaapi_context_get_surface_count (GstVaapiContext * context);
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G_GNUC_INTERNAL
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void
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gst_vaapi_context_reset_on_resize (GstVaapiContext * context,
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gboolean reset_on_resize);
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G_GNUC_INTERNAL
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GArray *
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gst_vaapi_context_get_surface_formats (GstVaapiContext * context);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_context_get_surface_attributes (GstVaapiContext * context,
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GstVaapiConfigSurfaceAttributes * out_attribs);
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G_GNUC_INTERNAL
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GstVaapiContext *
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gst_vaapi_context_ref (GstVaapiContext * context);
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G_GNUC_INTERNAL
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void
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gst_vaapi_context_unref (GstVaapiContext * context);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVaapiContext, gst_vaapi_context_unref)
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G_END_DECLS
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#endif /* GST_VAAPI_CONTEXT_H */
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