tests/checkasm/fixed_dsp.c

   1 /*
   2  * Copyright (c) 2015 James Almer
   3  *
   4  * This file is part of FFmpeg.
   5  *
   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.
  10  *
  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.
  15  *
  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.
  19  */
  20
  21 #include "checkasm.h"
  22 #include "libavutil/common.h"
  23 #include "libavutil/fixed_dsp.h"
  24 #include "libavutil/internal.h"
  25 #include "libavutil/mem.h"
  26 #include "libavutil/mem_internal.h"
  27
  28 #define BUF_SIZE 256
  29
  30 #define randomize_buffers()                   \
  31     do {                                      \
  32         int i;                                \
  33         for (i = 0; i < BUF_SIZE; i++) {      \
  34             src0[i] = sign_extend(rnd(), 24); \
  35             src1[i] = sign_extend(rnd(), 24); \
  36             src2[i] = sign_extend(rnd(), 24); \
  37         }                                     \
  38     } while (0)
  39
  40 static void check_vector_fmul(const int *src0, const int *src1)
  41 {
  42     LOCAL_ALIGNED_32(int, ref, [BUF_SIZE]);
  43     LOCAL_ALIGNED_32(int, new, [BUF_SIZE]);
  44
  45     declare_func(void, int *dst, const int *src0, const int *src1, int len);
  46
  47     call_ref(ref, src0, src1, BUF_SIZE);
  48     call_new(new, src0, src1, BUF_SIZE);
  49     if (memcmp(ref, new, BUF_SIZE * sizeof(int)))
  50         fail();
  51     bench_new(new, src0, src1, BUF_SIZE);
  52 }
  53
  54 static void check_vector_fmul_add(const int *src0, const int *src1, const int *src2)
  55 {
  56     LOCAL_ALIGNED_32(int, ref, [BUF_SIZE]);
  57     LOCAL_ALIGNED_32(int, new, [BUF_SIZE]);
  58
  59     declare_func(void, int *dst, const int *src0, const int *src1, const int *src2, int len);
  60
  61     call_ref(ref, src0, src1, src2, BUF_SIZE);
  62     call_new(new, src0, src1, src2, BUF_SIZE);
  63     if (memcmp(ref, new, BUF_SIZE * sizeof(int)))
  64         fail();
  65     bench_new(new, src0, src1, src2, BUF_SIZE);
  66 }
  67
  68 static void check_vector_fmul_window(const int32_t *src0, const int32_t *src1, const int32_t *win)
  69 {
  70     LOCAL_ALIGNED_32(int32_t, ref, [BUF_SIZE]);
  71     LOCAL_ALIGNED_32(int32_t, new, [BUF_SIZE]);
  72
  73     declare_func(void, int32_t *dst, const int32_t *src0, const int32_t *src1, const int32_t *win, int len);
  74
  75     call_ref(ref, src0, src1, win, BUF_SIZE / 2);
  76     call_new(new, src0, src1, win, BUF_SIZE / 2);
  77     if (memcmp(ref, new, BUF_SIZE * sizeof(int32_t)))
  78         fail();
  79     bench_new(new, src0, src1, win, BUF_SIZE / 2);
  80 }
  81
  82 static void check_vector_fmul_window_scaled(const int32_t *src0, const int32_t *src1, const int32_t *win)
  83 {
  84     LOCAL_ALIGNED_16(int16_t, ref, [BUF_SIZE]);
  85     LOCAL_ALIGNED_16(int16_t, new, [BUF_SIZE]);
  86
  87     declare_func(void, int16_t *dst, const int32_t *src0, const int32_t *src1, const int32_t *win, int len, uint8_t bits);
  88
  89     call_ref(ref, src0, src1, win, BUF_SIZE / 2, 2);
  90     call_new(new, src0, src1, win, BUF_SIZE / 2, 2);
  91     if (memcmp(ref, new, BUF_SIZE * sizeof(int16_t)))
  92         fail();
  93     bench_new(new, src0, src1, win, BUF_SIZE / 2, 2);
  94 }
  95
  96 static void check_butterflies(const int *src0, const int *src1)
  97 {
  98     LOCAL_ALIGNED_16(int, ref0, [BUF_SIZE]);
  99     LOCAL_ALIGNED_16(int, ref1, [BUF_SIZE]);
 100     LOCAL_ALIGNED_16(int, new0, [BUF_SIZE]);
 101     LOCAL_ALIGNED_16(int, new1, [BUF_SIZE]);
 102
 103     declare_func(void, int *restrict src0, int *restrict src1, int len);
 104
 105     memcpy(ref0, src0, BUF_SIZE * sizeof(*src0));
 106     memcpy(ref1, src1, BUF_SIZE * sizeof(*src1));
 107     memcpy(new0, src0, BUF_SIZE * sizeof(*src0));
 108     memcpy(new1, src1, BUF_SIZE * sizeof(*src1));
 109
 110     call_ref(ref0, ref1, BUF_SIZE);
 111     call_new(new0, new1, BUF_SIZE);
 112     if (memcmp(ref0, new0, BUF_SIZE * sizeof(*ref0)) ||
 113         memcmp(ref1, new1, BUF_SIZE * sizeof(*ref1)))
 114         fail();
 115     memcpy(new0, src0, BUF_SIZE * sizeof(*src0));
 116     memcpy(new1, src1, BUF_SIZE * sizeof(*src1));
 117     bench_new(new0, new1, BUF_SIZE);
 118 }
 119
 120 static void check_scalarproduct_fixed(const int *src0, const int *src1)
 121 {
 122     int ref, new;
 123
 124     declare_func(int, const int *src0, const int *src1, int len);
 125
 126     ref = call_ref(src0, src1, BUF_SIZE);
 127     new = call_new(src0, src1, BUF_SIZE);
 128     if (ref != new)
 129         fail();
 130     bench_new(src0, src1, BUF_SIZE);
 131 }
 132
 133 void checkasm_check_fixed_dsp(void)
 134 {
 135     LOCAL_ALIGNED_32(int32_t, src0, [BUF_SIZE]);
 136     LOCAL_ALIGNED_32(int32_t, src1, [BUF_SIZE]);
 137     LOCAL_ALIGNED_32(int32_t, src2, [BUF_SIZE]);
 138     AVFixedDSPContext *fdsp = avpriv_alloc_fixed_dsp(1);
 139
 140     randomize_buffers();
 141     if (check_func(fdsp->vector_fmul, "vector_fmul_fixed"))
 142         check_vector_fmul(src0, src1);
 143     if (check_func(fdsp->vector_fmul_add, "vector_fmul_add_fixed"))
 144         check_vector_fmul_add(src0, src1, src2);
 145     if (check_func(fdsp->vector_fmul_reverse, "vector_fmul_reverse_fixed"))
 146         check_vector_fmul(src0, src1);
 147     if (check_func(fdsp->vector_fmul_window, "vector_fmul_window_fixed"))
 148         check_vector_fmul_window(src0, src1, src2);
 149     if (check_func(fdsp->vector_fmul_window_scaled, "vector_fmul_window_scaled_fixed"))
 150         check_vector_fmul_window_scaled(src0, src1, src2);
 151     report("vector_fmul");
 152     if (check_func(fdsp->butterflies_fixed, "butterflies_fixed"))
 153         check_butterflies(src0, src1);
 154     report("butterflies_fixed");
 155     if (check_func(fdsp->scalarproduct_fixed, "scalarproduct_fixed"))
 156         check_scalarproduct_fixed(src0, src1);
 157     report("scalarproduct_fixed");
 158
 159     av_freep(&fdsp);
 160 }