libavcodec/vaapi_internal.h

   1 /*
   2  * Video Acceleration API (video decoding)
   3  * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
   4  *
   5  * Copyright (C) 2008-2009 Splitted-Desktop Systems
   6  *
   7  * This file is part of FFmpeg.
   8  *
   9  * FFmpeg is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * FFmpeg is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with FFmpeg; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23
  24 #ifndef AVCODEC_VAAPI_INTERNAL_H
  25 #define AVCODEC_VAAPI_INTERNAL_H
  26
  27 #include <va/va.h>
  28 #include "vaapi.h"
  29 #include "avcodec.h"
  30 #include "mpegvideo.h"
  31
  32 /**
  33  * \addtogroup VAAPI_Decoding
  34  *
  35  * @{
  36  */
  37
  38 /** Extract VASurfaceID from a Picture */
  39 static inline VASurfaceID ff_vaapi_get_surface(Picture *pic)
  40 {
  41     return (uintptr_t)pic->data[3];
  42 }
  43
  44 /** Common AVHWAccel.end_frame() implementation */
  45 int ff_vaapi_common_end_frame(MpegEncContext *s);
  46
  47 /** Allocate a new picture parameter buffer */
  48 void *ff_vaapi_alloc_picture(struct vaapi_context *vactx, unsigned int size);
  49
  50 /** Allocate a new IQ matrix buffer */
  51 void *ff_vaapi_alloc_iq_matrix(struct vaapi_context *vactx, unsigned int size);
  52
  53 /** Allocate a new bit-plane buffer */
  54 uint8_t *ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size);
  55
  56 /**
  57  * Allocate a new slice descriptor for the input slice.
  58  *
  59  * @param vactx the VA API context
  60  * @param buffer the slice data buffer base
  61  * @param size the size of the slice in bytes
  62  * @return the newly allocated slice parameter
  63  */
  64 VASliceParameterBufferBase *ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size);
  65
  66 /* @} */
  67
  68 #endif /* AVCODEC_VAAPI_INTERNAL_H */