Rename libavcodec/high_bit_depth.h ---> libavcodec/bit_depth_template.c
[libav.git] / libavcodec / bit_depth_template.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "dsputil.h"
20
21 #ifndef BIT_DEPTH
22 #define BIT_DEPTH 8
23 #endif
24
25 #ifdef AVCODEC_H264_HIGH_DEPTH_H
26 # undef pixel
27 # undef pixel2
28 # undef pixel4
29 # undef dctcoef
30 # undef INIT_CLIP
31 # undef no_rnd_avg_pixel4
32 # undef rnd_avg_pixel4
33 # undef AV_RN2P
34 # undef AV_RN4P
35 # undef AV_RN4PA
36 # undef AV_WN2P
37 # undef AV_WN4P
38 # undef AV_WN4PA
39 # undef CLIP
40 # undef FUNC
41 # undef FUNCC
42 # undef av_clip_pixel
43 # undef PIXEL_SPLAT_X4
44 #else
45 # define AVCODEC_H264_HIGH_DEPTH_H
46 # define CLIP_PIXEL(depth)\
47 static inline uint16_t av_clip_pixel_ ## depth (int p)\
48 {\
49 const int pixel_max = (1 << depth)-1;\
50 return (p & ~pixel_max) ? (-p)>>31 & pixel_max : p;\
51 }
52
53 CLIP_PIXEL( 9)
54 CLIP_PIXEL(10)
55 #endif
56
57 #if BIT_DEPTH > 8
58 # define pixel uint16_t
59 # define pixel2 uint32_t
60 # define pixel4 uint64_t
61 # define dctcoef int32_t
62
63 # define INIT_CLIP
64 # define no_rnd_avg_pixel4 no_rnd_avg64
65 # define rnd_avg_pixel4 rnd_avg64
66 # define AV_RN2P AV_RN32
67 # define AV_RN4P AV_RN64
68 # define AV_RN4PA AV_RN64A
69 # define AV_WN2P AV_WN32
70 # define AV_WN4P AV_WN64
71 # define AV_WN4PA AV_WN64A
72 # define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL)
73 #else
74 # define pixel uint8_t
75 # define pixel2 uint16_t
76 # define pixel4 uint32_t
77 # define dctcoef int16_t
78
79 # define INIT_CLIP uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
80 # define no_rnd_avg_pixel4 no_rnd_avg32
81 # define rnd_avg_pixel4 rnd_avg32
82 # define AV_RN2P AV_RN16
83 # define AV_RN4P AV_RN32
84 # define AV_RN4PA AV_RN32A
85 # define AV_WN2P AV_WN16
86 # define AV_WN4P AV_WN32
87 # define AV_WN4PA AV_WN32A
88 # define PIXEL_SPLAT_X4(x) ((x)*0x01010101U)
89 #endif
90
91 #if BIT_DEPTH == 8
92 # define av_clip_pixel(a) av_clip_uint8(a)
93 # define CLIP(a) cm[a]
94 # define FUNC(a) a ## _8
95 # define FUNCC(a) a ## _8_c
96 #elif BIT_DEPTH == 9
97 # define av_clip_pixel(a) av_clip_pixel_9(a)
98 # define CLIP(a) av_clip_pixel_9(a)
99 # define FUNC(a) a ## _9
100 # define FUNCC(a) a ## _9_c
101 #elif BIT_DEPTH == 10
102 # define av_clip_pixel(a) av_clip_pixel_10(a)
103 # define CLIP(a) av_clip_pixel_10(a)
104 # define FUNC(a) a ## _10
105 # define FUNCC(a) a ## _10_c
106 #endif