| /* |
| * DSP utils |
| * Copyright (c) 2000, 2001 Fabrice Bellard |
| * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/attributes.h" |
| #include "libavutil/internal.h" |
| #include "avcodec.h" |
| #include "copy_block.h" |
| #include "simple_idct.h" |
| #include "me_cmp.h" |
| #include "mpegvideo.h" |
| #include "config.h" |
| |
| /* (i - 256) * (i - 256) */ |
| const uint32_t ff_square_tab[512] = { |
| 65536, 65025, 64516, 64009, 63504, 63001, 62500, 62001, 61504, 61009, 60516, 60025, 59536, 59049, 58564, 58081, |
| 57600, 57121, 56644, 56169, 55696, 55225, 54756, 54289, 53824, 53361, 52900, 52441, 51984, 51529, 51076, 50625, |
| 50176, 49729, 49284, 48841, 48400, 47961, 47524, 47089, 46656, 46225, 45796, 45369, 44944, 44521, 44100, 43681, |
| 43264, 42849, 42436, 42025, 41616, 41209, 40804, 40401, 40000, 39601, 39204, 38809, 38416, 38025, 37636, 37249, |
| 36864, 36481, 36100, 35721, 35344, 34969, 34596, 34225, 33856, 33489, 33124, 32761, 32400, 32041, 31684, 31329, |
| 30976, 30625, 30276, 29929, 29584, 29241, 28900, 28561, 28224, 27889, 27556, 27225, 26896, 26569, 26244, 25921, |
| 25600, 25281, 24964, 24649, 24336, 24025, 23716, 23409, 23104, 22801, 22500, 22201, 21904, 21609, 21316, 21025, |
| 20736, 20449, 20164, 19881, 19600, 19321, 19044, 18769, 18496, 18225, 17956, 17689, 17424, 17161, 16900, 16641, |
| 16384, 16129, 15876, 15625, 15376, 15129, 14884, 14641, 14400, 14161, 13924, 13689, 13456, 13225, 12996, 12769, |
| 12544, 12321, 12100, 11881, 11664, 11449, 11236, 11025, 10816, 10609, 10404, 10201, 10000, 9801, 9604, 9409, |
| 9216, 9025, 8836, 8649, 8464, 8281, 8100, 7921, 7744, 7569, 7396, 7225, 7056, 6889, 6724, 6561, |
| 6400, 6241, 6084, 5929, 5776, 5625, 5476, 5329, 5184, 5041, 4900, 4761, 4624, 4489, 4356, 4225, |
| 4096, 3969, 3844, 3721, 3600, 3481, 3364, 3249, 3136, 3025, 2916, 2809, 2704, 2601, 2500, 2401, |
| 2304, 2209, 2116, 2025, 1936, 1849, 1764, 1681, 1600, 1521, 1444, 1369, 1296, 1225, 1156, 1089, |
| 1024, 961, 900, 841, 784, 729, 676, 625, 576, 529, 484, 441, 400, 361, 324, 289, |
| 256, 225, 196, 169, 144, 121, 100, 81, 64, 49, 36, 25, 16, 9, 4, 1, |
| 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, |
| 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 900, 961, |
| 1024, 1089, 1156, 1225, 1296, 1369, 1444, 1521, 1600, 1681, 1764, 1849, 1936, 2025, 2116, 2209, |
| 2304, 2401, 2500, 2601, 2704, 2809, 2916, 3025, 3136, 3249, 3364, 3481, 3600, 3721, 3844, 3969, |
| 4096, 4225, 4356, 4489, 4624, 4761, 4900, 5041, 5184, 5329, 5476, 5625, 5776, 5929, 6084, 6241, |
| 6400, 6561, 6724, 6889, 7056, 7225, 7396, 7569, 7744, 7921, 8100, 8281, 8464, 8649, 8836, 9025, |
| 9216, 9409, 9604, 9801, 10000, 10201, 10404, 10609, 10816, 11025, 11236, 11449, 11664, 11881, 12100, 12321, |
| 12544, 12769, 12996, 13225, 13456, 13689, 13924, 14161, 14400, 14641, 14884, 15129, 15376, 15625, 15876, 16129, |
| 16384, 16641, 16900, 17161, 17424, 17689, 17956, 18225, 18496, 18769, 19044, 19321, 19600, 19881, 20164, 20449, |
| 20736, 21025, 21316, 21609, 21904, 22201, 22500, 22801, 23104, 23409, 23716, 24025, 24336, 24649, 24964, 25281, |
| 25600, 25921, 26244, 26569, 26896, 27225, 27556, 27889, 28224, 28561, 28900, 29241, 29584, 29929, 30276, 30625, |
| 30976, 31329, 31684, 32041, 32400, 32761, 33124, 33489, 33856, 34225, 34596, 34969, 35344, 35721, 36100, 36481, |
| 36864, 37249, 37636, 38025, 38416, 38809, 39204, 39601, 40000, 40401, 40804, 41209, 41616, 42025, 42436, 42849, |
| 43264, 43681, 44100, 44521, 44944, 45369, 45796, 46225, 46656, 47089, 47524, 47961, 48400, 48841, 49284, 49729, |
| 50176, 50625, 51076, 51529, 51984, 52441, 52900, 53361, 53824, 54289, 54756, 55225, 55696, 56169, 56644, 57121, |
| 57600, 58081, 58564, 59049, 59536, 60025, 60516, 61009, 61504, 62001, 62500, 63001, 63504, 64009, 64516, 65025, |
| }; |
| |
| static int sse4_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| const uint32_t *sq = ff_square_tab + 256; |
| |
| for (i = 0; i < h; i++) { |
| s += sq[pix1[0] - pix2[0]]; |
| s += sq[pix1[1] - pix2[1]]; |
| s += sq[pix1[2] - pix2[2]]; |
| s += sq[pix1[3] - pix2[3]]; |
| pix1 += stride; |
| pix2 += stride; |
| } |
| return s; |
| } |
| |
| static int sse8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| const uint32_t *sq = ff_square_tab + 256; |
| |
| for (i = 0; i < h; i++) { |
| s += sq[pix1[0] - pix2[0]]; |
| s += sq[pix1[1] - pix2[1]]; |
| s += sq[pix1[2] - pix2[2]]; |
| s += sq[pix1[3] - pix2[3]]; |
| s += sq[pix1[4] - pix2[4]]; |
| s += sq[pix1[5] - pix2[5]]; |
| s += sq[pix1[6] - pix2[6]]; |
| s += sq[pix1[7] - pix2[7]]; |
| pix1 += stride; |
| pix2 += stride; |
| } |
| return s; |
| } |
| |
| static int sse16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| const uint32_t *sq = ff_square_tab + 256; |
| |
| for (i = 0; i < h; i++) { |
| s += sq[pix1[0] - pix2[0]]; |
| s += sq[pix1[1] - pix2[1]]; |
| s += sq[pix1[2] - pix2[2]]; |
| s += sq[pix1[3] - pix2[3]]; |
| s += sq[pix1[4] - pix2[4]]; |
| s += sq[pix1[5] - pix2[5]]; |
| s += sq[pix1[6] - pix2[6]]; |
| s += sq[pix1[7] - pix2[7]]; |
| s += sq[pix1[8] - pix2[8]]; |
| s += sq[pix1[9] - pix2[9]]; |
| s += sq[pix1[10] - pix2[10]]; |
| s += sq[pix1[11] - pix2[11]]; |
| s += sq[pix1[12] - pix2[12]]; |
| s += sq[pix1[13] - pix2[13]]; |
| s += sq[pix1[14] - pix2[14]]; |
| s += sq[pix1[15] - pix2[15]]; |
| |
| pix1 += stride; |
| pix2 += stride; |
| } |
| return s; |
| } |
| |
| static int sum_abs_dctelem_c(int16_t *block) |
| { |
| int sum = 0, i; |
| |
| for (i = 0; i < 64; i++) |
| sum += FFABS(block[i]); |
| return sum; |
| } |
| |
| #define avg2(a, b) (((a) + (b) + 1) >> 1) |
| #define avg4(a, b, c, d) (((a) + (b) + (c) + (d) + 2) >> 2) |
| |
| static inline int pix_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - pix2[0]); |
| s += abs(pix1[1] - pix2[1]); |
| s += abs(pix1[2] - pix2[2]); |
| s += abs(pix1[3] - pix2[3]); |
| s += abs(pix1[4] - pix2[4]); |
| s += abs(pix1[5] - pix2[5]); |
| s += abs(pix1[6] - pix2[6]); |
| s += abs(pix1[7] - pix2[7]); |
| s += abs(pix1[8] - pix2[8]); |
| s += abs(pix1[9] - pix2[9]); |
| s += abs(pix1[10] - pix2[10]); |
| s += abs(pix1[11] - pix2[11]); |
| s += abs(pix1[12] - pix2[12]); |
| s += abs(pix1[13] - pix2[13]); |
| s += abs(pix1[14] - pix2[14]); |
| s += abs(pix1[15] - pix2[15]); |
| pix1 += stride; |
| pix2 += stride; |
| } |
| return s; |
| } |
| |
| static inline int pix_median_abs16_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i, j; |
| |
| #define V(x) (pix1[x] - pix2[x]) |
| |
| s += abs(V(0)); |
| s += abs(V(1) - V(0)); |
| s += abs(V(2) - V(1)); |
| s += abs(V(3) - V(2)); |
| s += abs(V(4) - V(3)); |
| s += abs(V(5) - V(4)); |
| s += abs(V(6) - V(5)); |
| s += abs(V(7) - V(6)); |
| s += abs(V(8) - V(7)); |
| s += abs(V(9) - V(8)); |
| s += abs(V(10) - V(9)); |
| s += abs(V(11) - V(10)); |
| s += abs(V(12) - V(11)); |
| s += abs(V(13) - V(12)); |
| s += abs(V(14) - V(13)); |
| s += abs(V(15) - V(14)); |
| |
| pix1 += stride; |
| pix2 += stride; |
| |
| for (i = 1; i < h; i++) { |
| s += abs(V(0) - V(-stride)); |
| for (j = 1; j < 16; j++) |
| s += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1))); |
| pix1 += stride; |
| pix2 += stride; |
| |
| } |
| #undef V |
| return s; |
| } |
| |
| static int pix_abs16_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - avg2(pix2[0], pix2[1])); |
| s += abs(pix1[1] - avg2(pix2[1], pix2[2])); |
| s += abs(pix1[2] - avg2(pix2[2], pix2[3])); |
| s += abs(pix1[3] - avg2(pix2[3], pix2[4])); |
| s += abs(pix1[4] - avg2(pix2[4], pix2[5])); |
| s += abs(pix1[5] - avg2(pix2[5], pix2[6])); |
| s += abs(pix1[6] - avg2(pix2[6], pix2[7])); |
| s += abs(pix1[7] - avg2(pix2[7], pix2[8])); |
| s += abs(pix1[8] - avg2(pix2[8], pix2[9])); |
| s += abs(pix1[9] - avg2(pix2[9], pix2[10])); |
| s += abs(pix1[10] - avg2(pix2[10], pix2[11])); |
| s += abs(pix1[11] - avg2(pix2[11], pix2[12])); |
| s += abs(pix1[12] - avg2(pix2[12], pix2[13])); |
| s += abs(pix1[13] - avg2(pix2[13], pix2[14])); |
| s += abs(pix1[14] - avg2(pix2[14], pix2[15])); |
| s += abs(pix1[15] - avg2(pix2[15], pix2[16])); |
| pix1 += stride; |
| pix2 += stride; |
| } |
| return s; |
| } |
| |
| static int pix_abs16_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| uint8_t *pix3 = pix2 + stride; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - avg2(pix2[0], pix3[0])); |
| s += abs(pix1[1] - avg2(pix2[1], pix3[1])); |
| s += abs(pix1[2] - avg2(pix2[2], pix3[2])); |
| s += abs(pix1[3] - avg2(pix2[3], pix3[3])); |
| s += abs(pix1[4] - avg2(pix2[4], pix3[4])); |
| s += abs(pix1[5] - avg2(pix2[5], pix3[5])); |
| s += abs(pix1[6] - avg2(pix2[6], pix3[6])); |
| s += abs(pix1[7] - avg2(pix2[7], pix3[7])); |
| s += abs(pix1[8] - avg2(pix2[8], pix3[8])); |
| s += abs(pix1[9] - avg2(pix2[9], pix3[9])); |
| s += abs(pix1[10] - avg2(pix2[10], pix3[10])); |
| s += abs(pix1[11] - avg2(pix2[11], pix3[11])); |
| s += abs(pix1[12] - avg2(pix2[12], pix3[12])); |
| s += abs(pix1[13] - avg2(pix2[13], pix3[13])); |
| s += abs(pix1[14] - avg2(pix2[14], pix3[14])); |
| s += abs(pix1[15] - avg2(pix2[15], pix3[15])); |
| pix1 += stride; |
| pix2 += stride; |
| pix3 += stride; |
| } |
| return s; |
| } |
| |
| static int pix_abs16_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| uint8_t *pix3 = pix2 + stride; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1])); |
| s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2])); |
| s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3])); |
| s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4])); |
| s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5])); |
| s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6])); |
| s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7])); |
| s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8])); |
| s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9])); |
| s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10])); |
| s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11])); |
| s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12])); |
| s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13])); |
| s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14])); |
| s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15])); |
| s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16])); |
| pix1 += stride; |
| pix2 += stride; |
| pix3 += stride; |
| } |
| return s; |
| } |
| |
| static inline int pix_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - pix2[0]); |
| s += abs(pix1[1] - pix2[1]); |
| s += abs(pix1[2] - pix2[2]); |
| s += abs(pix1[3] - pix2[3]); |
| s += abs(pix1[4] - pix2[4]); |
| s += abs(pix1[5] - pix2[5]); |
| s += abs(pix1[6] - pix2[6]); |
| s += abs(pix1[7] - pix2[7]); |
| pix1 += stride; |
| pix2 += stride; |
| } |
| return s; |
| } |
| |
| static inline int pix_median_abs8_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i, j; |
| |
| #define V(x) (pix1[x] - pix2[x]) |
| |
| s += abs(V(0)); |
| s += abs(V(1) - V(0)); |
| s += abs(V(2) - V(1)); |
| s += abs(V(3) - V(2)); |
| s += abs(V(4) - V(3)); |
| s += abs(V(5) - V(4)); |
| s += abs(V(6) - V(5)); |
| s += abs(V(7) - V(6)); |
| |
| pix1 += stride; |
| pix2 += stride; |
| |
| for (i = 1; i < h; i++) { |
| s += abs(V(0) - V(-stride)); |
| for (j = 1; j < 8; j++) |
| s += abs(V(j) - mid_pred(V(j-stride), V(j-1), V(j-stride) + V(j-1) - V(j-stride-1))); |
| pix1 += stride; |
| pix2 += stride; |
| |
| } |
| #undef V |
| return s; |
| } |
| |
| static int pix_abs8_x2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - avg2(pix2[0], pix2[1])); |
| s += abs(pix1[1] - avg2(pix2[1], pix2[2])); |
| s += abs(pix1[2] - avg2(pix2[2], pix2[3])); |
| s += abs(pix1[3] - avg2(pix2[3], pix2[4])); |
| s += abs(pix1[4] - avg2(pix2[4], pix2[5])); |
| s += abs(pix1[5] - avg2(pix2[5], pix2[6])); |
| s += abs(pix1[6] - avg2(pix2[6], pix2[7])); |
| s += abs(pix1[7] - avg2(pix2[7], pix2[8])); |
| pix1 += stride; |
| pix2 += stride; |
| } |
| return s; |
| } |
| |
| static int pix_abs8_y2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| uint8_t *pix3 = pix2 + stride; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - avg2(pix2[0], pix3[0])); |
| s += abs(pix1[1] - avg2(pix2[1], pix3[1])); |
| s += abs(pix1[2] - avg2(pix2[2], pix3[2])); |
| s += abs(pix1[3] - avg2(pix2[3], pix3[3])); |
| s += abs(pix1[4] - avg2(pix2[4], pix3[4])); |
| s += abs(pix1[5] - avg2(pix2[5], pix3[5])); |
| s += abs(pix1[6] - avg2(pix2[6], pix3[6])); |
| s += abs(pix1[7] - avg2(pix2[7], pix3[7])); |
| pix1 += stride; |
| pix2 += stride; |
| pix3 += stride; |
| } |
| return s; |
| } |
| |
| static int pix_abs8_xy2_c(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, |
| ptrdiff_t stride, int h) |
| { |
| int s = 0, i; |
| uint8_t *pix3 = pix2 + stride; |
| |
| for (i = 0; i < h; i++) { |
| s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1])); |
| s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2])); |
| s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3])); |
| s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4])); |
| s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5])); |
| s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6])); |
| s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7])); |
| s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8])); |
| pix1 += stride; |
| pix2 += stride; |
| pix3 += stride; |
| } |
| return s; |
| } |
| |
| static int nsse16_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, |
| ptrdiff_t stride, int h) |
| { |
| int score1 = 0, score2 = 0, x, y; |
| |
| for (y = 0; y < h; y++) { |
| for (x = 0; x < 16; x++) |
| score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]); |
| if (y + 1 < h) { |
| for (x = 0; x < 15; x++) |
| score2 += FFABS(s1[x] - s1[x + stride] - |
| s1[x + 1] + s1[x + stride + 1]) - |
| FFABS(s2[x] - s2[x + stride] - |
| s2[x + 1] + s2[x + stride + 1]); |
| } |
| s1 += stride; |
| s2 += stride; |
| } |
| |
| if (c) |
| return score1 + FFABS(score2) * c->avctx->nsse_weight; |
| else |
| return score1 + FFABS(score2) * 8; |
| } |
| |
| static int nsse8_c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, |
| ptrdiff_t stride, int h) |
| { |
| int score1 = 0, score2 = 0, x, y; |
| |
| for (y = 0; y < h; y++) { |
| for (x = 0; x < 8; x++) |
| score1 += (s1[x] - s2[x]) * (s1[x] - s2[x]); |
| if (y + 1 < h) { |
| for (x = 0; x < 7; x++) |
| score2 += FFABS(s1[x] - s1[x + stride] - |
| s1[x + 1] + s1[x + stride + 1]) - |
| FFABS(s2[x] - s2[x + stride] - |
| s2[x + 1] + s2[x + stride + 1]); |
| } |
| s1 += stride; |
| s2 += stride; |
| } |
| |
| if (c) |
| return score1 + FFABS(score2) * c->avctx->nsse_weight; |
| else |
| return score1 + FFABS(score2) * 8; |
| } |
| |
| static int zero_cmp(MpegEncContext *s, uint8_t *a, uint8_t *b, |
| ptrdiff_t stride, int h) |
| { |
| return 0; |
| } |
| |
| void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type) |
| { |
| int i; |
| |
| memset(cmp, 0, sizeof(void *) * 6); |
| |
| for (i = 0; i < 6; i++) { |
| switch (type & 0xFF) { |
| case FF_CMP_SAD: |
| cmp[i] = c->sad[i]; |
| break; |
| case FF_CMP_MEDIAN_SAD: |
| cmp[i] = c->median_sad[i]; |
| break; |
| case FF_CMP_SATD: |
| cmp[i] = c->hadamard8_diff[i]; |
| break; |
| case FF_CMP_SSE: |
| cmp[i] = c->sse[i]; |
| break; |
| case FF_CMP_DCT: |
| cmp[i] = c->dct_sad[i]; |
| break; |
| case FF_CMP_DCT264: |
| cmp[i] = c->dct264_sad[i]; |
| break; |
| case FF_CMP_DCTMAX: |
| cmp[i] = c->dct_max[i]; |
| break; |
| case FF_CMP_PSNR: |
| cmp[i] = c->quant_psnr[i]; |
| break; |
| case FF_CMP_BIT: |
| cmp[i] = c->bit[i]; |
| break; |
| case FF_CMP_RD: |
| cmp[i] = c->rd[i]; |
| break; |
| case FF_CMP_VSAD: |
| cmp[i] = c->vsad[i]; |
| break; |
| case FF_CMP_VSSE: |
| cmp[i] = c->vsse[i]; |
| break; |
| case FF_CMP_ZERO: |
| cmp[i] = zero_cmp; |
| break; |
| case FF_CMP_NSSE: |
| cmp[i] = c->nsse[i]; |
| break; |
| #if CONFIG_DWT |
| case FF_CMP_W53: |
| cmp[i]= c->w53[i]; |
| break; |
| case FF_CMP_W97: |
| cmp[i]= c->w97[i]; |
| break; |
| #endif |
| default: |
| av_log(NULL, AV_LOG_ERROR, |
| "internal error in cmp function selection\n"); |
| } |
| } |
| } |
| |
| #define BUTTERFLY2(o1, o2, i1, i2) \ |
| o1 = (i1) + (i2); \ |
| o2 = (i1) - (i2); |
| |
| #define BUTTERFLY1(x, y) \ |
| { \ |
| int a, b; \ |
| a = x; \ |
| b = y; \ |
| x = a + b; \ |
| y = a - b; \ |
| } |
| |
| #define BUTTERFLYA(x, y) (FFABS((x) + (y)) + FFABS((x) - (y))) |
| |
| static int hadamard8_diff8x8_c(MpegEncContext *s, uint8_t *dst, |
| uint8_t *src, ptrdiff_t stride, int h) |
| { |
| int i, temp[64], sum = 0; |
| |
| av_assert2(h == 8); |
| |
| for (i = 0; i < 8; i++) { |
| // FIXME: try pointer walks |
| BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1], |
| src[stride * i + 0] - dst[stride * i + 0], |
| src[stride * i + 1] - dst[stride * i + 1]); |
| BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3], |
| src[stride * i + 2] - dst[stride * i + 2], |
| src[stride * i + 3] - dst[stride * i + 3]); |
| BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5], |
| src[stride * i + 4] - dst[stride * i + 4], |
| src[stride * i + 5] - dst[stride * i + 5]); |
| BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7], |
| src[stride * i + 6] - dst[stride * i + 6], |
| src[stride * i + 7] - dst[stride * i + 7]); |
| |
| BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]); |
| BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]); |
| BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]); |
| BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]); |
| |
| BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]); |
| BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]); |
| BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]); |
| BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]); |
| } |
| |
| for (i = 0; i < 8; i++) { |
| BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]); |
| BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]); |
| BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]); |
| BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]); |
| |
| BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]); |
| BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]); |
| BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]); |
| BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]); |
| |
| sum += BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) + |
| BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) + |
| BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) + |
| BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]); |
| } |
| return sum; |
| } |
| |
| static int hadamard8_intra8x8_c(MpegEncContext *s, uint8_t *src, |
| uint8_t *dummy, ptrdiff_t stride, int h) |
| { |
| int i, temp[64], sum = 0; |
| |
| av_assert2(h == 8); |
| |
| for (i = 0; i < 8; i++) { |
| // FIXME: try pointer walks |
| BUTTERFLY2(temp[8 * i + 0], temp[8 * i + 1], |
| src[stride * i + 0], src[stride * i + 1]); |
| BUTTERFLY2(temp[8 * i + 2], temp[8 * i + 3], |
| src[stride * i + 2], src[stride * i + 3]); |
| BUTTERFLY2(temp[8 * i + 4], temp[8 * i + 5], |
| src[stride * i + 4], src[stride * i + 5]); |
| BUTTERFLY2(temp[8 * i + 6], temp[8 * i + 7], |
| src[stride * i + 6], src[stride * i + 7]); |
| |
| BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 2]); |
| BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 3]); |
| BUTTERFLY1(temp[8 * i + 4], temp[8 * i + 6]); |
| BUTTERFLY1(temp[8 * i + 5], temp[8 * i + 7]); |
| |
| BUTTERFLY1(temp[8 * i + 0], temp[8 * i + 4]); |
| BUTTERFLY1(temp[8 * i + 1], temp[8 * i + 5]); |
| BUTTERFLY1(temp[8 * i + 2], temp[8 * i + 6]); |
| BUTTERFLY1(temp[8 * i + 3], temp[8 * i + 7]); |
| } |
| |
| for (i = 0; i < 8; i++) { |
| BUTTERFLY1(temp[8 * 0 + i], temp[8 * 1 + i]); |
| BUTTERFLY1(temp[8 * 2 + i], temp[8 * 3 + i]); |
| BUTTERFLY1(temp[8 * 4 + i], temp[8 * 5 + i]); |
| BUTTERFLY1(temp[8 * 6 + i], temp[8 * 7 + i]); |
| |
| BUTTERFLY1(temp[8 * 0 + i], temp[8 * 2 + i]); |
| BUTTERFLY1(temp[8 * 1 + i], temp[8 * 3 + i]); |
| BUTTERFLY1(temp[8 * 4 + i], temp[8 * 6 + i]); |
| BUTTERFLY1(temp[8 * 5 + i], temp[8 * 7 + i]); |
| |
| sum += |
| BUTTERFLYA(temp[8 * 0 + i], temp[8 * 4 + i]) |
| + BUTTERFLYA(temp[8 * 1 + i], temp[8 * 5 + i]) |
| + BUTTERFLYA(temp[8 * 2 + i], temp[8 * 6 + i]) |
| + BUTTERFLYA(temp[8 * 3 + i], temp[8 * 7 + i]); |
| } |
| |
| sum -= FFABS(temp[8 * 0] + temp[8 * 4]); // -mean |
| |
| return sum; |
| } |
| |
| static int dct_sad8x8_c(MpegEncContext *s, uint8_t *src1, |
| uint8_t *src2, ptrdiff_t stride, int h) |
| { |
| LOCAL_ALIGNED_16(int16_t, temp, [64]); |
| |
| av_assert2(h == 8); |
| |
| s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride); |
| s->fdsp.fdct(temp); |
| return s->mecc.sum_abs_dctelem(temp); |
| } |
| |
| #if CONFIG_GPL |
| #define DCT8_1D \ |
| { \ |
| const int s07 = SRC(0) + SRC(7); \ |
| const int s16 = SRC(1) + SRC(6); \ |
| const int s25 = SRC(2) + SRC(5); \ |
| const int s34 = SRC(3) + SRC(4); \ |
| const int a0 = s07 + s34; \ |
| const int a1 = s16 + s25; \ |
| const int a2 = s07 - s34; \ |
| const int a3 = s16 - s25; \ |
| const int d07 = SRC(0) - SRC(7); \ |
| const int d16 = SRC(1) - SRC(6); \ |
| const int d25 = SRC(2) - SRC(5); \ |
| const int d34 = SRC(3) - SRC(4); \ |
| const int a4 = d16 + d25 + (d07 + (d07 >> 1)); \ |
| const int a5 = d07 - d34 - (d25 + (d25 >> 1)); \ |
| const int a6 = d07 + d34 - (d16 + (d16 >> 1)); \ |
| const int a7 = d16 - d25 + (d34 + (d34 >> 1)); \ |
| DST(0, a0 + a1); \ |
| DST(1, a4 + (a7 >> 2)); \ |
| DST(2, a2 + (a3 >> 1)); \ |
| DST(3, a5 + (a6 >> 2)); \ |
| DST(4, a0 - a1); \ |
| DST(5, a6 - (a5 >> 2)); \ |
| DST(6, (a2 >> 1) - a3); \ |
| DST(7, (a4 >> 2) - a7); \ |
| } |
| |
| static int dct264_sad8x8_c(MpegEncContext *s, uint8_t *src1, |
| uint8_t *src2, ptrdiff_t stride, int h) |
| { |
| int16_t dct[8][8]; |
| int i, sum = 0; |
| |
| s->pdsp.diff_pixels_unaligned(dct[0], src1, src2, stride); |
| |
| #define SRC(x) dct[i][x] |
| #define DST(x, v) dct[i][x] = v |
| for (i = 0; i < 8; i++) |
| DCT8_1D |
| #undef SRC |
| #undef DST |
| |
| #define SRC(x) dct[x][i] |
| #define DST(x, v) sum += FFABS(v) |
| for (i = 0; i < 8; i++) |
| DCT8_1D |
| #undef SRC |
| #undef DST |
| return sum; |
| } |
| #endif |
| |
| static int dct_max8x8_c(MpegEncContext *s, uint8_t *src1, |
| uint8_t *src2, ptrdiff_t stride, int h) |
| { |
| LOCAL_ALIGNED_16(int16_t, temp, [64]); |
| int sum = 0, i; |
| |
| av_assert2(h == 8); |
| |
| s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride); |
| s->fdsp.fdct(temp); |
| |
| for (i = 0; i < 64; i++) |
| sum = FFMAX(sum, FFABS(temp[i])); |
| |
| return sum; |
| } |
| |
| static int quant_psnr8x8_c(MpegEncContext *s, uint8_t *src1, |
| uint8_t *src2, ptrdiff_t stride, int h) |
| { |
| LOCAL_ALIGNED_16(int16_t, temp, [64 * 2]); |
| int16_t *const bak = temp + 64; |
| int sum = 0, i; |
| |
| av_assert2(h == 8); |
| s->mb_intra = 0; |
| |
| s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride); |
| |
| memcpy(bak, temp, 64 * sizeof(int16_t)); |
| |
| s->block_last_index[0 /* FIXME */] = |
| s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i); |
| s->dct_unquantize_inter(s, temp, 0, s->qscale); |
| ff_simple_idct_int16_8bit(temp); // FIXME |
| |
| for (i = 0; i < 64; i++) |
| sum += (temp[i] - bak[i]) * (temp[i] - bak[i]); |
| |
| return sum; |
| } |
| |
| static int rd8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, |
| ptrdiff_t stride, int h) |
| { |
| const uint8_t *scantable = s->intra_scantable.permutated; |
| LOCAL_ALIGNED_16(int16_t, temp, [64]); |
| LOCAL_ALIGNED_16(uint8_t, lsrc1, [64]); |
| LOCAL_ALIGNED_16(uint8_t, lsrc2, [64]); |
| int i, last, run, bits, level, distortion, start_i; |
| const int esc_length = s->ac_esc_length; |
| uint8_t *length, *last_length; |
| |
| av_assert2(h == 8); |
| |
| copy_block8(lsrc1, src1, 8, stride, 8); |
| copy_block8(lsrc2, src2, 8, stride, 8); |
| |
| s->pdsp.diff_pixels(temp, lsrc1, lsrc2, 8); |
| |
| s->block_last_index[0 /* FIXME */] = |
| last = |
| s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i); |
| |
| bits = 0; |
| |
| if (s->mb_intra) { |
| start_i = 1; |
| length = s->intra_ac_vlc_length; |
| last_length = s->intra_ac_vlc_last_length; |
| bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma |
| } else { |
| start_i = 0; |
| length = s->inter_ac_vlc_length; |
| last_length = s->inter_ac_vlc_last_length; |
| } |
| |
| if (last >= start_i) { |
| run = 0; |
| for (i = start_i; i < last; i++) { |
| int j = scantable[i]; |
| level = temp[j]; |
| |
| if (level) { |
| level += 64; |
| if ((level & (~127)) == 0) |
| bits += length[UNI_AC_ENC_INDEX(run, level)]; |
| else |
| bits += esc_length; |
| run = 0; |
| } else |
| run++; |
| } |
| i = scantable[last]; |
| |
| level = temp[i] + 64; |
| |
| av_assert2(level - 64); |
| |
| if ((level & (~127)) == 0) { |
| bits += last_length[UNI_AC_ENC_INDEX(run, level)]; |
| } else |
| bits += esc_length; |
| } |
| |
| if (last >= 0) { |
| if (s->mb_intra) |
| s->dct_unquantize_intra(s, temp, 0, s->qscale); |
| else |
| s->dct_unquantize_inter(s, temp, 0, s->qscale); |
| } |
| |
| s->idsp.idct_add(lsrc2, 8, temp); |
| |
| distortion = s->mecc.sse[1](NULL, lsrc2, lsrc1, 8, 8); |
| |
| return distortion + ((bits * s->qscale * s->qscale * 109 + 64) >> 7); |
| } |
| |
| static int bit8x8_c(MpegEncContext *s, uint8_t *src1, uint8_t *src2, |
| ptrdiff_t stride, int h) |
| { |
| const uint8_t *scantable = s->intra_scantable.permutated; |
| LOCAL_ALIGNED_16(int16_t, temp, [64]); |
| int i, last, run, bits, level, start_i; |
| const int esc_length = s->ac_esc_length; |
| uint8_t *length, *last_length; |
| |
| av_assert2(h == 8); |
| |
| s->pdsp.diff_pixels_unaligned(temp, src1, src2, stride); |
| |
| s->block_last_index[0 /* FIXME */] = |
| last = |
| s->fast_dct_quantize(s, temp, 0 /* FIXME */, s->qscale, &i); |
| |
| bits = 0; |
| |
| if (s->mb_intra) { |
| start_i = 1; |
| length = s->intra_ac_vlc_length; |
| last_length = s->intra_ac_vlc_last_length; |
| bits += s->luma_dc_vlc_length[temp[0] + 256]; // FIXME: chroma |
| } else { |
| start_i = 0; |
| length = s->inter_ac_vlc_length; |
| last_length = s->inter_ac_vlc_last_length; |
| } |
| |
| if (last >= start_i) { |
| run = 0; |
| for (i = start_i; i < last; i++) { |
| int j = scantable[i]; |
| level = temp[j]; |
| |
| if (level) { |
| level += 64; |
| if ((level & (~127)) == 0) |
| bits += length[UNI_AC_ENC_INDEX(run, level)]; |
| else |
| bits += esc_length; |
| run = 0; |
| } else |
| run++; |
| } |
| i = scantable[last]; |
| |
| level = temp[i] + 64; |
| |
| av_assert2(level - 64); |
| |
| if ((level & (~127)) == 0) |
| bits += last_length[UNI_AC_ENC_INDEX(run, level)]; |
| else |
| bits += esc_length; |
| } |
| |
| return bits; |
| } |
| |
| #define VSAD_INTRA(size) \ |
| static int vsad_intra ## size ## _c(MpegEncContext *c, \ |
| uint8_t *s, uint8_t *dummy, \ |
| ptrdiff_t stride, int h) \ |
| { \ |
| int score = 0, x, y; \ |
| \ |
| for (y = 1; y < h; y++) { \ |
| for (x = 0; x < size; x += 4) { \ |
| score += FFABS(s[x] - s[x + stride]) + \ |
| FFABS(s[x + 1] - s[x + stride + 1]) + \ |
| FFABS(s[x + 2] - s[x + 2 + stride]) + \ |
| FFABS(s[x + 3] - s[x + 3 + stride]); \ |
| } \ |
| s += stride; \ |
| } \ |
| \ |
| return score; \ |
| } |
| VSAD_INTRA(8) |
| VSAD_INTRA(16) |
| |
| #define VSAD(size) \ |
| static int vsad ## size ## _c(MpegEncContext *c, \ |
| uint8_t *s1, uint8_t *s2, \ |
| ptrdiff_t stride, int h) \ |
| { \ |
| int score = 0, x, y; \ |
| \ |
| for (y = 1; y < h; y++) { \ |
| for (x = 0; x < size; x++) \ |
| score += FFABS(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \ |
| s1 += stride; \ |
| s2 += stride; \ |
| } \ |
| \ |
| return score; \ |
| } |
| VSAD(8) |
| VSAD(16) |
| |
| #define SQ(a) ((a) * (a)) |
| #define VSSE_INTRA(size) \ |
| static int vsse_intra ## size ## _c(MpegEncContext *c, \ |
| uint8_t *s, uint8_t *dummy, \ |
| ptrdiff_t stride, int h) \ |
| { \ |
| int score = 0, x, y; \ |
| \ |
| for (y = 1; y < h; y++) { \ |
| for (x = 0; x < size; x += 4) { \ |
| score += SQ(s[x] - s[x + stride]) + \ |
| SQ(s[x + 1] - s[x + stride + 1]) + \ |
| SQ(s[x + 2] - s[x + stride + 2]) + \ |
| SQ(s[x + 3] - s[x + stride + 3]); \ |
| } \ |
| s += stride; \ |
| } \ |
| \ |
| return score; \ |
| } |
| VSSE_INTRA(8) |
| VSSE_INTRA(16) |
| |
| #define VSSE(size) \ |
| static int vsse ## size ## _c(MpegEncContext *c, uint8_t *s1, uint8_t *s2, \ |
| ptrdiff_t stride, int h) \ |
| { \ |
| int score = 0, x, y; \ |
| \ |
| for (y = 1; y < h; y++) { \ |
| for (x = 0; x < size; x++) \ |
| score += SQ(s1[x] - s2[x] - s1[x + stride] + s2[x + stride]); \ |
| s1 += stride; \ |
| s2 += stride; \ |
| } \ |
| \ |
| return score; \ |
| } |
| VSSE(8) |
| VSSE(16) |
| |
| #define WRAPPER8_16_SQ(name8, name16) \ |
| static int name16(MpegEncContext *s, uint8_t *dst, uint8_t *src, \ |
| ptrdiff_t stride, int h) \ |
| { \ |
| int score = 0; \ |
| \ |
| score += name8(s, dst, src, stride, 8); \ |
| score += name8(s, dst + 8, src + 8, stride, 8); \ |
| if (h == 16) { \ |
| dst += 8 * stride; \ |
| src += 8 * stride; \ |
| score += name8(s, dst, src, stride, 8); \ |
| score += name8(s, dst + 8, src + 8, stride, 8); \ |
| } \ |
| return score; \ |
| } |
| |
| WRAPPER8_16_SQ(hadamard8_diff8x8_c, hadamard8_diff16_c) |
| WRAPPER8_16_SQ(hadamard8_intra8x8_c, hadamard8_intra16_c) |
| WRAPPER8_16_SQ(dct_sad8x8_c, dct_sad16_c) |
| #if CONFIG_GPL |
| WRAPPER8_16_SQ(dct264_sad8x8_c, dct264_sad16_c) |
| #endif |
| WRAPPER8_16_SQ(dct_max8x8_c, dct_max16_c) |
| WRAPPER8_16_SQ(quant_psnr8x8_c, quant_psnr16_c) |
| WRAPPER8_16_SQ(rd8x8_c, rd16_c) |
| WRAPPER8_16_SQ(bit8x8_c, bit16_c) |
| |
| int ff_check_alignment(void) |
| { |
| static int did_fail = 0; |
| LOCAL_ALIGNED_16(int, aligned, [4]); |
| |
| if ((intptr_t)aligned & 15) { |
| if (!did_fail) { |
| #if HAVE_MMX || HAVE_ALTIVEC |
| av_log(NULL, AV_LOG_ERROR, |
| "Compiler did not align stack variables. Libavcodec has been miscompiled\n" |
| "and may be very slow or crash. This is not a bug in libavcodec,\n" |
| "but in the compiler. You may try recompiling using gcc >= 4.2.\n" |
| "Do not report crashes to FFmpeg developers.\n"); |
| #endif |
| did_fail=1; |
| } |
| return -1; |
| } |
| return 0; |
| } |
| |
| av_cold void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx) |
| { |
| ff_check_alignment(); |
| |
| c->sum_abs_dctelem = sum_abs_dctelem_c; |
| |
| /* TODO [0] 16 [1] 8 */ |
| c->pix_abs[0][0] = pix_abs16_c; |
| c->pix_abs[0][1] = pix_abs16_x2_c; |
| c->pix_abs[0][2] = pix_abs16_y2_c; |
| c->pix_abs[0][3] = pix_abs16_xy2_c; |
| c->pix_abs[1][0] = pix_abs8_c; |
| c->pix_abs[1][1] = pix_abs8_x2_c; |
| c->pix_abs[1][2] = pix_abs8_y2_c; |
| c->pix_abs[1][3] = pix_abs8_xy2_c; |
| |
| #define SET_CMP_FUNC(name) \ |
| c->name[0] = name ## 16_c; \ |
| c->name[1] = name ## 8x8_c; |
| |
| SET_CMP_FUNC(hadamard8_diff) |
| c->hadamard8_diff[4] = hadamard8_intra16_c; |
| c->hadamard8_diff[5] = hadamard8_intra8x8_c; |
| SET_CMP_FUNC(dct_sad) |
| SET_CMP_FUNC(dct_max) |
| #if CONFIG_GPL |
| SET_CMP_FUNC(dct264_sad) |
| #endif |
| c->sad[0] = pix_abs16_c; |
| c->sad[1] = pix_abs8_c; |
| c->sse[0] = sse16_c; |
| c->sse[1] = sse8_c; |
| c->sse[2] = sse4_c; |
| SET_CMP_FUNC(quant_psnr) |
| SET_CMP_FUNC(rd) |
| SET_CMP_FUNC(bit) |
| c->vsad[0] = vsad16_c; |
| c->vsad[1] = vsad8_c; |
| c->vsad[4] = vsad_intra16_c; |
| c->vsad[5] = vsad_intra8_c; |
| c->vsse[0] = vsse16_c; |
| c->vsse[1] = vsse8_c; |
| c->vsse[4] = vsse_intra16_c; |
| c->vsse[5] = vsse_intra8_c; |
| c->nsse[0] = nsse16_c; |
| c->nsse[1] = nsse8_c; |
| #if CONFIG_SNOW_DECODER || CONFIG_SNOW_ENCODER |
| ff_dsputil_init_dwt(c); |
| #endif |
| |
| if (ARCH_ALPHA) |
| ff_me_cmp_init_alpha(c, avctx); |
| if (ARCH_ARM) |
| ff_me_cmp_init_arm(c, avctx); |
| if (ARCH_PPC) |
| ff_me_cmp_init_ppc(c, avctx); |
| if (ARCH_X86) |
| ff_me_cmp_init_x86(c, avctx); |
| if (ARCH_MIPS) |
| ff_me_cmp_init_mips(c, avctx); |
| |
| c->median_sad[0] = pix_median_abs16_c; |
| c->median_sad[1] = pix_median_abs8_c; |
| } |
