1/**************************************************************************
2 *
3 * Copyright 2011 Christian König.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef vl_mpeg12_bitstream_h
29#define vl_mpeg12_bitstream_h
30
31#include "vl_defines.h"
32#include "vl_vlc.h"
33
34struct vl_mpg12_bs
35{
36   struct pipe_video_decoder *decoder;
37
38   struct pipe_mpeg12_picture_desc *desc;
39   struct dct_coeff *intra_dct_tbl;
40
41   struct vl_vlc vlc;
42   short pred_dc[3];
43};
44
45void
46vl_mpg12_bs_init(struct vl_mpg12_bs *bs, struct pipe_video_decoder *decoder);
47
48void
49vl_mpg12_bs_decode(struct vl_mpg12_bs *bs,
50                   struct pipe_video_buffer *target,
51                   struct pipe_mpeg12_picture_desc *picture,
52                   unsigned num_buffers,
53                   const void * const *buffers,
54                   const unsigned *sizes);
55
56#endif /* vl_mpeg12_bitstream_h */
57