Libav
hevcpred.c
Go to the documentation of this file.
1 /*
2  * HEVC video decoder
3  *
4  * Copyright (C) 2012 - 2013 Guillaume Martres
5  *
6  * This file is part of Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "hevc.h"
24 
25 #define BIT_DEPTH 8
26 #include "hevcpred_template.c"
27 #undef BIT_DEPTH
28 
29 #define BIT_DEPTH 9
30 #include "hevcpred_template.c"
31 #undef BIT_DEPTH
32 
33 #define BIT_DEPTH 10
34 #include "hevcpred_template.c"
35 #undef BIT_DEPTH
36 
37 void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth)
38 {
39 #undef FUNC
40 #define FUNC(a, depth) a ## _ ## depth
41 
42 #define HEVC_PRED(depth) \
43  hpc->intra_pred = FUNC(intra_pred, depth); \
44  hpc->pred_planar[0] = FUNC(pred_planar_0, depth); \
45  hpc->pred_planar[1] = FUNC(pred_planar_1, depth); \
46  hpc->pred_planar[2] = FUNC(pred_planar_2, depth); \
47  hpc->pred_planar[3] = FUNC(pred_planar_3, depth); \
48  hpc->pred_dc = FUNC(pred_dc, depth); \
49  hpc->pred_angular[0] = FUNC(pred_angular_0, depth); \
50  hpc->pred_angular[1] = FUNC(pred_angular_1, depth); \
51  hpc->pred_angular[2] = FUNC(pred_angular_2, depth); \
52  hpc->pred_angular[3] = FUNC(pred_angular_3, depth);
53 
54  switch (bit_depth) {
55  case 9:
56  HEVC_PRED(9);
57  break;
58  case 10:
59  HEVC_PRED(10);
60  break;
61  default:
62  HEVC_PRED(8);
63  break;
64  }
65 }