tests/checkasm/mpegvideoencdsp.c

   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 "libavutil/intreadwrite.h"
  20 #include "libavutil/mem.h"
  21 #include "libavutil/mem_internal.h"
  22
  23 #include "libavcodec/mpegvideoencdsp.h"
  24
  25 #include "checkasm.h"
  26
  27 #define randomize_buffers(buf, size)      \
  28     do {                                  \
  29         for (int j = 0; j < size; j += 4) \
  30             AV_WN32(buf + j, rnd());      \
  31     } while (0)
  32
  33 static void check_pix_sum(MpegvideoEncDSPContext *c)
  34 {
  35     LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
  36
  37     declare_func(int, const uint8_t *pix, ptrdiff_t line_size);
  38
  39     randomize_buffers(src, 16 * 16);
  40
  41     for (int n = 0; n < 2; n++) {
  42         const char *negstride_str = n ? "_negstride" : "";
  43         if (check_func(c->pix_sum, "pix_sum%s", negstride_str)) {
  44             int sum0, sum1;
  45             const uint8_t *pix = src + (n ? (15 * 16) : 0);
  46             ptrdiff_t line_size = 16 * (n ? -1 : 1);
  47             sum0 = call_ref(pix, line_size);
  48             sum1 = call_new(pix, line_size);
  49             if (sum0 != sum1)
  50                 fail();
  51             bench_new(pix, line_size);
  52         }
  53     }
  54 }
  55
  56 static void check_pix_norm1(MpegvideoEncDSPContext *c)
  57 {
  58     LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
  59
  60     declare_func(int, const uint8_t *pix, ptrdiff_t line_size);
  61
  62     randomize_buffers(src, 16 * 16);
  63
  64     for (int n = 0; n < 2; n++) {
  65         const char *negstride_str = n ? "_negstride" : "";
  66         if (check_func(c->pix_norm1, "pix_norm1%s", negstride_str)) {
  67             int sum0, sum1;
  68             const uint8_t *pix = src + (n ? (15 * 16) : 0);
  69             ptrdiff_t line_size = 16 * (n ? -1 : 1);
  70             sum0 = call_ref(pix, line_size);
  71             sum1 = call_new(pix, line_size);
  72             if (sum0 != sum1)
  73                 fail();
  74             bench_new(pix, line_size);
  75         }
  76     }
  77 }
  78
  79 #define NUM_LINES 4
  80 #define MAX_LINE_SIZE 1920
  81 #define EDGE_WIDTH 16
  82 #define LINESIZE (EDGE_WIDTH + MAX_LINE_SIZE + EDGE_WIDTH)
  83 #define BUFSIZE ((EDGE_WIDTH + NUM_LINES + EDGE_WIDTH) * LINESIZE)
  84
  85 static void check_draw_edges(MpegvideoEncDSPContext *c)
  86 {
  87     static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE, -MAX_LINE_SIZE};
  88     LOCAL_ALIGNED_16(uint8_t, buf0, [BUFSIZE]);
  89     LOCAL_ALIGNED_16(uint8_t, buf1, [BUFSIZE]);
  90
  91     declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *buf, ptrdiff_t wrap, int width, int height,
  92                                              int w, int h, int sides);
  93
  94     for (int isi = 0; isi < FF_ARRAY_ELEMS(input_sizes); isi++) {
  95         int input_size = input_sizes[isi];
  96         int negstride = input_size < 0;
  97         const char *negstride_str = negstride ? "_negstride" : "";
  98         int width = FFABS(input_size);
  99         ptrdiff_t linesize = EDGE_WIDTH + width + EDGE_WIDTH;
 100         /* calculate height based on specified width to use the entire buffer. */
 101         int height = (BUFSIZE / linesize) - (2 * EDGE_WIDTH);
 102         uint8_t *dst0 = buf0 + EDGE_WIDTH * linesize + EDGE_WIDTH;
 103         uint8_t *dst1 = buf1 + EDGE_WIDTH * linesize + EDGE_WIDTH;
 104
 105         if (negstride) {
 106             dst0 += (height - 1) * linesize;
 107             dst1 += (height - 1) * linesize;
 108             linesize *= -1;
 109         }
 110
 111         for (int shift = 0; shift < 3; shift++) {
 112             int edge = EDGE_WIDTH >> shift;
 113             if (check_func(c->draw_edges, "draw_edges_%d_%d_%d%s", width, height, edge, negstride_str)) {
 114                 randomize_buffers(buf0, BUFSIZE);
 115                 memcpy(buf1, buf0, BUFSIZE);
 116                 call_ref(dst0, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
 117                 call_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
 118                 if (memcmp(buf0, buf1, BUFSIZE))
 119                     fail();
 120                 bench_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
 121             }
 122         }
 123     }
 124 }
 125
 126 #undef NUM_LINES
 127 #undef MAX_LINE_SIZE
 128 #undef EDGE_WIDTH
 129 #undef LINESIZE
 130 #undef BUFSIZE
 131
 132 void checkasm_check_mpegvideoencdsp(void)
 133 {
 134     AVCodecContext avctx = {
 135         .bits_per_raw_sample = 8,
 136     };
 137     MpegvideoEncDSPContext c = { 0 };
 138
 139     ff_mpegvideoencdsp_init(&c, &avctx);
 140
 141     check_pix_sum(&c);
 142     report("pix_sum");
 143     check_pix_norm1(&c);
 144     report("pix_norm1");
 145     check_draw_edges(&c);
 146     report("draw_edges");
 147 }