2 * Copyright (c) 2016 Alexandra Hájková
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "libavutil/intreadwrite.h"
24 #include "libavutil/mem_internal.h"
26 #include "libavcodec/hevcdsp.h"
30 #define randomize_buffers(buf, size) \
33 for (j = 0; j < size; j++) { \
35 AV_WN16A(buf + j, r); \
39 static void check_idct(HEVCDSPContext h, int bit_depth)
42 LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
43 LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
45 for (i = 2; i <= 5; i++) {
46 int block_size = 1 << i;
47 int size = block_size * block_size;
48 int col_limit = block_size;
49 declare_func(void, int16_t *coeffs, int col_limit);
51 randomize_buffers(coeffs0, size);
52 memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
53 if (check_func(h.idct[i - 2], "hevc_idct_%dx%d_%d", block_size, block_size, bit_depth)) {
54 call_ref(coeffs0, col_limit);
55 call_new(coeffs1, col_limit);
56 if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
58 bench_new(coeffs1, col_limit);
63 static void check_idct_dc(HEVCDSPContext h, int bit_depth)
66 LOCAL_ALIGNED(32, int16_t, coeffs0, [32 * 32]);
67 LOCAL_ALIGNED(32, int16_t, coeffs1, [32 * 32]);
69 for (i = 2; i <= 5; i++) {
70 int block_size = 1 << i;
71 int size = block_size * block_size;
72 declare_func_emms(AV_CPU_FLAG_MMXEXT, void, int16_t *coeffs);
74 randomize_buffers(coeffs0, size);
75 memcpy(coeffs1, coeffs0, sizeof(*coeffs0) * size);
77 if (check_func(h.idct_dc[i - 2], "hevc_idct_%dx%d_dc_%d", block_size, block_size, bit_depth)) {
80 if (memcmp(coeffs0, coeffs1, sizeof(*coeffs0) * size))
87 void checkasm_check_hevc_idct(void)
91 for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
94 ff_hevc_dsp_init(&h, bit_depth);
95 check_idct_dc(h, bit_depth);
99 for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
102 ff_hevc_dsp_init(&h, bit_depth);
103 check_idct(h, bit_depth);