/*

  * 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.
  */
 

 enum {
     /**
      * The quirks field has been set by the user and should not be detected
      * automatically by av_hwdevice_ctx_init().
      */
     AV_VAAPI_DRIVER_QUIRK_USER_SET = (1 << 0),
     /**
      * The driver does not destroy parameter buffers when they are used by
      * vaRenderPicture().  Additional code will be required to destroy them
      * separately afterwards.
      */
     AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS = (1 << 1),

 
     /**
      * The driver does not support the VASurfaceAttribMemoryType attribute,
      * so the surface allocation code will not try to use it.
      */
     AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE = (1 << 2),

 
     /**
      * The driver does not support surface attributes at all.
      * The surface allocation code will never pass them to surface allocation,
      * and the results of the vaQuerySurfaceAttributes() call will be faked.
      */
     AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES = (1 << 3),

 };
 

 /**
  * VAAPI connection details.
  *
  * Allocated as AVHWDeviceContext.hwctx
  */
 typedef struct AVVAAPIDeviceContext {
     /**
      * The VADisplay handle, to be filled by the user.
      */
     VADisplay display;

     /**
      * Driver quirks to apply - this is filled by av_hwdevice_ctx_init(),
      * with reference to a table of known drivers, unless the
      * AV_VAAPI_DRIVER_QUIRK_USER_SET bit is already present.  The user
      * may need to refer to this field when performing any later
      * operations using VAAPI with the same VADisplay.
      */
     unsigned int driver_quirks;

 } 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 */