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/*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_VAAPI_H
#define AVUTIL_HWCONTEXT_VAAPI_H
#include <va/va.h>
/**
* @file
* API-specific header for AV_HWDEVICE_TYPE_VAAPI.
*
* Dynamic frame pools are supported, but note that any pool used as a render
* target is required to be of fixed size in order to be be usable as an
* argument to vaCreateContext().
*
* For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
* with the data pointer set to a VASurfaceID.
*/
/**
* VAAPI connection details.
*
* Allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVVAAPIDeviceContext {
/**
* The VADisplay handle, to be filled by the user.
*/
VADisplay display;
} AVVAAPIDeviceContext;
/**
* VAAPI-specific data associated with a frame pool.
*
* Allocated as AVHWFramesContext.hwctx.
*/
typedef struct AVVAAPIFramesContext {
/**
* Set by the user to apply surface attributes to all surfaces in
* the frame pool. If null, default settings are used.
*/
VASurfaceAttrib *attributes;
int nb_attributes;
/**
* The surfaces IDs of all surfaces in the pool after creation.
* Only valid if AVHWFramesContext.initial_pool_size was positive.
* These are intended to be used as the render_targets arguments to
* vaCreateContext().
*/
VASurfaceID *surface_ids;
int nb_surfaces;
} AVVAAPIFramesContext;
/**
* VAAPI hardware pipeline configuration details.
*
* Allocated with av_hwdevice_hwconfig_alloc().
*/
typedef struct AVVAAPIHWConfig {
/**
* ID of a VAAPI pipeline configuration.
*/
VAConfigID config_id;
} AVVAAPIHWConfig;
#endif /* AVUTIL_HWCONTEXT_VAAPI_H */
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