2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
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
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #include "libavcodec/audiodsp.h"
26 #include "libavutil/common.h"
27 #include "libavutil/intreadwrite.h"
31 #define MAX_SIZE (32 * 128)
33 #define randomize_float(buf, len) \
36 for (i = 0; i < len; i++) { \
37 float f = (float)rnd() / (UINT_MAX >> 5) - 16.0f; \
42 #define randomize_int(buf, len, size, bits) \
45 for (i = 0; i < len; i++) { \
46 uint ## size ## _t r = rnd() & ((1LL << bits) - 1); \
47 AV_WN ## size ## A(buf + i, -(1LL << (bits - 1)) + r); \
51 void checkasm_check_audiodsp(void)
55 ff_audiodsp_init(&adsp);
57 if (check_func(adsp.scalarproduct_int16, "audiodsp.scalarproduct_int16")) {
58 LOCAL_ALIGNED(32, int16_t, v1, [MAX_SIZE]);
59 LOCAL_ALIGNED(32, int16_t, v2, [MAX_SIZE]);
60 unsigned int len_bits_minus4, v1_bits, v2_bits, len;
63 declare_func_emms(AV_CPU_FLAG_MMX, int32_t, const int16_t *v1, const int16_t *v2, int len);
65 // generate random 5-12bit vector length
66 len_bits_minus4 = rnd() % 8;
67 len = rnd() & ((1 << len_bits_minus4) - 1);
68 len = 16 * FFMAX(len, 1);
70 // generate the bit counts for each of the vectors such that the result
72 v1_bits = 1 + rnd() % 15;
73 v2_bits = FFMIN(32 - (len_bits_minus4 + 4) - v1_bits - 1, 15);
75 randomize_int(v1, MAX_SIZE, 16, v1_bits + 1);
76 randomize_int(v2, MAX_SIZE, 16, v2_bits + 1);
78 res0 = call_ref(v1, v2, len);
79 res1 = call_new(v1, v2, len);
82 bench_new(v1, v2, MAX_SIZE);
85 if (check_func(adsp.vector_clip_int32, "audiodsp.vector_clip_int32")) {
86 LOCAL_ALIGNED(32, int32_t, src, [MAX_SIZE]);
87 LOCAL_ALIGNED(32, int32_t, dst0, [MAX_SIZE]);
88 LOCAL_ALIGNED(32, int32_t, dst1, [MAX_SIZE]);
89 int32_t val1, val2, min, max;
92 declare_func_emms(AV_CPU_FLAG_MMX, void, int32_t *dst, const int32_t *src,
93 int32_t min, int32_t max, unsigned int len);
95 val1 = ((int32_t)rnd());
96 val1 = FFSIGN(val1) * (val1 & ((1 << 24) - 1));
97 val2 = ((int32_t)rnd());
98 val2 = FFSIGN(val2) * (val2 & ((1 << 24) - 1));
100 min = FFMIN(val1, val2);
101 max = FFMAX(val1, val2);
103 randomize_int(src, MAX_SIZE, 32, 32);
106 len = 32 * FFMAX(len, 1);
108 call_ref(dst0, src, min, max, len);
109 call_new(dst1, src, min, max, len);
110 if (memcmp(dst0, dst1, len * sizeof(*dst0)))
112 bench_new(dst1, src, min, max, MAX_SIZE);
115 if (check_func(adsp.vector_clipf, "audiodsp.vector_clipf")) {
116 LOCAL_ALIGNED(32, float, src, [MAX_SIZE]);
117 LOCAL_ALIGNED(32, float, dst0, [MAX_SIZE]);
118 LOCAL_ALIGNED(32, float, dst1, [MAX_SIZE]);
119 float val1, val2, min, max;
122 declare_func_emms(AV_CPU_FLAG_MMX, void, float *dst, const float *src,
123 int len, float min, float max);
125 val1 = (float)rnd() / (UINT_MAX >> 1) - 1.0f;
126 val2 = (float)rnd() / (UINT_MAX >> 1) - 1.0f;
128 min = FFMIN(val1, val2);
129 max = FFMAX(val1, val2);
131 randomize_float(src, MAX_SIZE);
134 len = 16 * FFMAX(len, 1);
136 call_ref(dst0, src, len, min, max);
137 call_new(dst1, src, len, min, max);
138 for (i = 0; i < len; i++) {
139 if (!float_near_ulp_array(dst0, dst1, 3, len))
142 bench_new(dst1, src, MAX_SIZE, min, max);