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hevcpred.c
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1 /*
2  * HEVC video Decoder
3  *
4  * Copyright (C) 2012 - 2013 Guillaume Martres
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 #include "hevcpred.h"
25 
26 #define BIT_DEPTH 8
27 #include "hevcpred_template.c"
28 #undef BIT_DEPTH
29 
30 #define BIT_DEPTH 9
31 #include "hevcpred_template.c"
32 #undef BIT_DEPTH
33 
34 #define BIT_DEPTH 10
35 #include "hevcpred_template.c"
36 #undef BIT_DEPTH
37 
38 void ff_hevc_pred_init(HEVCPredContext *hpc, int bit_depth)
39 {
40 #undef FUNC
41 #define FUNC(a, depth) a ## _ ## depth
42 
43 #define HEVC_PRED(depth) \
44  hpc->intra_pred = FUNC(intra_pred, depth); \
45  hpc->pred_planar[0] = FUNC(pred_planar_0, depth); \
46  hpc->pred_planar[1] = FUNC(pred_planar_1, depth); \
47  hpc->pred_planar[2] = FUNC(pred_planar_2, depth); \
48  hpc->pred_planar[3] = FUNC(pred_planar_3, depth); \
49  hpc->pred_dc = FUNC(pred_dc, depth); \
50  hpc->pred_angular[0] = FUNC(pred_angular_0, depth);\
51  hpc->pred_angular[1] = FUNC(pred_angular_1, depth);\
52  hpc->pred_angular[2] = FUNC(pred_angular_2, depth);\
53  hpc->pred_angular[3] = FUNC(pred_angular_3, depth);
54 
55  switch (bit_depth) {
56  case 9:
57  HEVC_PRED(9);
58  break;
59  case 10:
60  HEVC_PRED(10);
61  break;
62  default:
63  HEVC_PRED(8);
64  break;
65  }
66 }