/*
  * Video Decode and Presentation API for UNIX (VDPAU) is used for
  * HW decode acceleration for MPEG-1/2, H.264 and VC-1.
  *

  * Copyright (C) 2008 NVIDIA

  *
  * 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 AVCODEC_VDPAU_INTERNAL_H
 #define AVCODEC_VDPAU_INTERNAL_H
 

 #include "config.h"

 #include <stdint.h>

 #if CONFIG_VDPAU

 #include <vdpau/vdpau.h>

 #endif

 #include "h264.h"

 
 #include "avcodec.h"

 #include "mpeg4video.h"

 #include "mpegvideo.h"

 #include "version.h"

 /** Extract VdpVideoSurface from a Picture */
 static inline uintptr_t ff_vdpau_get_surface_id(Picture *pic)
 {
     return (uintptr_t)pic->f.data[3];
 }
 

 #if CONFIG_VDPAU

 #if !FF_API_BUFS_VDPAU
 union AVVDPAUPictureInfo {
     VdpPictureInfoH264        h264;
     VdpPictureInfoMPEG1Or2    mpeg;
     VdpPictureInfoVC1          vc1;
     VdpPictureInfoMPEG4Part2 mpeg4;
 };

 #else
 #include "vdpau.h"

 #endif
 

 struct vdpau_picture_context {
     /**
      * VDPAU picture information.
      */
     union AVVDPAUPictureInfo info;
 
     /**
      * Allocated size of the bitstream_buffers table.
      */
     int bitstream_buffers_allocated;
 
     /**
      * Useful bitstream buffers in the bitstream buffers table.
      */
     int bitstream_buffers_used;
 
    /**
      * Table of bitstream buffers.
      */
     VdpBitstreamBuffer *bitstream_buffers;
 };

 #endif

 
 int ff_vdpau_common_start_frame(Picture *pic,

                                 const uint8_t *buffer, uint32_t size);

 int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx);

 int ff_vdpau_add_buffer(Picture *pic, const uint8_t *buf, uint32_t buf_size);

 
 void ff_vdpau_add_data_chunk(uint8_t *data, const uint8_t *buf,
                              int buf_size);
 
 void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
                                     int buf_size, int slice_count);
 
 void ff_vdpau_h264_picture_start(H264Context *h);
 void ff_vdpau_h264_set_reference_frames(H264Context *h);
 void ff_vdpau_h264_picture_complete(H264Context *h);
 
 void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
                                  int buf_size);
 

 void ff_vdpau_mpeg4_decode_picture(Mpeg4DecContext *s, const uint8_t *buf,

                                    int buf_size);
 

 #endif /* AVCODEC_VDPAU_INTERNAL_H */