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/*
* gstvaapicontext.h - VA context abstraction (private)
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* 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 "gstvaapiobject.h"
#include "gstvaapiobject_priv.h"
#include "gstvaapiprofile.h"
#include "gstvaapidisplay.h"
#include "gstvaapisurface.h"
#include "gstvaapiutils_core.h"
#include "gstvaapivideopool.h"
G_BEGIN_DECLS
#define GST_VAAPI_CONTEXT(obj) \
((GstVaapiContext *) (obj))
typedef struct _GstVaapiConfigInfoEncoder GstVaapiConfigInfoEncoder;
typedef struct _GstVaapiContextInfo GstVaapiContextInfo;
typedef struct _GstVaapiContext GstVaapiContext;
typedef struct _GstVaapiContextClass GstVaapiContextClass;
/**
* GstVaapiContextUsage:
* @GST_VAAPI_CONTEXT_MODE_DECODE: context used for decoding.
* @GST_VAAPI_CONTEXT_MODE_ENCODE: context used for encoding.
* @GST_VAAPI_CONTEXT_MODE_VPP: context used for video processing.
*
* The set of supported VA context usages.
*/
typedef enum {
GST_VAAPI_CONTEXT_USAGE_DECODE = 1,
GST_VAAPI_CONTEXT_USAGE_ENCODE,
GST_VAAPI_CONTEXT_USAGE_VPP,
} GstVaapiContextUsage;
/**
* GstVaapiConfigInfoEncoder:
* @rc_mode: rate-control mode (#GstVaapiRateControl).
* @packed_headers: notify encoder that packed headers are submitted (mask).
* @roi_capability: if encoder supports regions-of-interest.
* @roi_num_supported: The number of regions-of-interest supported.
* @fei_function: The functional mode for FEI Entrypoint (VA_FEI_FUNCTION_*).
*
* Extra configuration for encoding.
*/
struct _GstVaapiConfigInfoEncoder
{
GstVaapiRateControl rc_mode;
guint packed_headers;
gboolean roi_capability;
guint roi_num_supported;
guint fei_function;
};
/**
* 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
{
GstVaapiContextUsage usage;
GstVaapiProfile profile;
GstVaapiEntrypoint entrypoint;
GstVaapiChromaType chroma_type;
guint width;
guint height;
guint ref_frames;
union _GstVaapiConfigInfo {
GstVaapiConfigInfoEncoder encoder;
} config;
};
/**
* GstVaapiContext:
*
* A VA context wrapper.
*/
struct _GstVaapiContext
{
/*< private >*/
GstVaapiObject parent_instance;
GstVaapiContextInfo info;
VAProfile va_profile;
VAEntrypoint va_entrypoint;
VAConfigID va_config;
GPtrArray *surfaces;
GstVaapiVideoPool *surfaces_pool;
GPtrArray *overlays[2];
guint overlay_id;
gboolean reset_on_resize;
GstVaapiConfigSurfaceAttributes *attribs;
};
/**
* GstVaapiContextClass:
*
* A VA context wrapper class.
*/
struct _GstVaapiContextClass
{
/*< private >*/
GstVaapiObjectClass parent_class;
};
G_GNUC_INTERNAL
GstVaapiContext *
gst_vaapi_context_new (GstVaapiDisplay * display,
const GstVaapiContextInfo * cip);
G_GNUC_INTERNAL
gboolean
gst_vaapi_context_reset (GstVaapiContext * context,
const GstVaapiContextInfo * new_cip);
G_GNUC_INTERNAL
GstVaapiID
gst_vaapi_context_get_id (GstVaapiContext * context);
G_GNUC_INTERNAL
GstVaapiSurfaceProxy *
gst_vaapi_context_get_surface_proxy (GstVaapiContext * context);
G_GNUC_INTERNAL
guint
gst_vaapi_context_get_surface_count (GstVaapiContext * context);
G_GNUC_INTERNAL
void
gst_vaapi_context_reset_on_resize (GstVaapiContext * context,
gboolean reset_on_resize);
G_GNUC_INTERNAL
GArray *
gst_vaapi_context_get_surface_formats (GstVaapiContext * context);
G_GNUC_INTERNAL
gboolean
gst_vaapi_context_get_surface_attributes (GstVaapiContext * context,
GstVaapiConfigSurfaceAttributes * out_attribs);
G_END_DECLS
#endif /* GST_VAAPI_CONTEXT_H */
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