bit_depth_template.c (2927B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #include "mathops.h" 20 #include "rnd_avg.h" 21 #include "libavutil/intreadwrite.h" 22 23 #ifndef BIT_DEPTH 24 #define BIT_DEPTH 8 25 #endif 26 27 #ifdef AVCODEC_BIT_DEPTH_TEMPLATE_C 28 # undef pixel 29 # undef pixel2 30 # undef pixel4 31 # undef dctcoef 32 # undef idctin 33 # undef INIT_CLIP 34 # undef no_rnd_avg_pixel4 35 # undef rnd_avg_pixel4 36 # undef AV_RN2P 37 # undef AV_RN4P 38 # undef AV_RN4PA 39 # undef AV_WN2P 40 # undef AV_WN4P 41 # undef AV_WN4PA 42 # undef CLIP 43 # undef FUNC 44 # undef FUNCC 45 # undef av_clip_pixel 46 # undef PIXEL_SPLAT_X4 47 #else 48 # define AVCODEC_BIT_DEPTH_TEMPLATE_C 49 #endif 50 51 #if BIT_DEPTH > 8 52 # define pixel uint16_t 53 # define pixel2 uint32_t 54 # define pixel4 uint64_t 55 # define dctcoef int32_t 56 57 #ifdef IN_IDCT_DEPTH 58 #if IN_IDCT_DEPTH == 32 59 # define idctin int32_t 60 #else 61 # define idctin int16_t 62 #endif 63 #else 64 # define idctin int16_t 65 #endif 66 67 # define INIT_CLIP 68 # define no_rnd_avg_pixel4 no_rnd_avg64 69 # define rnd_avg_pixel4 rnd_avg64 70 # define AV_RN2P AV_RN32 71 # define AV_RN4P AV_RN64 72 # define AV_RN4PA AV_RN64A 73 # define AV_WN2P AV_WN32 74 # define AV_WN4P AV_WN64 75 # define AV_WN4PA AV_WN64A 76 # define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL) 77 78 # define av_clip_pixel(a) av_clip_uintp2(a, BIT_DEPTH) 79 # define CLIP(a) av_clip_uintp2(a, BIT_DEPTH) 80 #else 81 # define pixel uint8_t 82 # define pixel2 uint16_t 83 # define pixel4 uint32_t 84 # define dctcoef int16_t 85 # define idctin int16_t 86 87 # define INIT_CLIP 88 # define no_rnd_avg_pixel4 no_rnd_avg32 89 # define rnd_avg_pixel4 rnd_avg32 90 # define AV_RN2P AV_RN16 91 # define AV_RN4P AV_RN32 92 # define AV_RN4PA AV_RN32A 93 # define AV_WN2P AV_WN16 94 # define AV_WN4P AV_WN32 95 # define AV_WN4PA AV_WN32A 96 # define PIXEL_SPLAT_X4(x) ((x)*0x01010101U) 97 98 # define av_clip_pixel(a) av_clip_uint8(a) 99 # define CLIP(a) av_clip_uint8(a) 100 #endif 101 102 #define FUNC3(a, b, c) a ## _ ## b ## c 103 #define FUNC2(a, b, c) FUNC3(a, b, c) 104 #define FUNC(a) FUNC2(a, BIT_DEPTH,) 105 #define FUNCC(a) FUNC2(a, BIT_DEPTH, _c) 106 #define FUNC4(a, b, c) a ## _int ## b ## _ ## c ## bit 107 #define FUNC5(a, b, c) FUNC4(a, b, c) 108 #define FUNC6(a) FUNC5(a, IN_IDCT_DEPTH, BIT_DEPTH)