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FFmpeg/tests/checkasm/sw_rgb.c

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  1. /*

  2.  *

  3.  * This file is part of FFmpeg.

  4.  *

  5.  * FFmpeg is free software; you can redistribute it and/or modify

  6.  * it under the terms of the GNU General Public License as published by

  7.  * the Free Software Foundation; either version 2 of the License, or

  8.  * (at your option) any later version.

  9.  *

  10.  * FFmpeg is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * You should have received a copy of the GNU General Public License along

  16.  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,

  17.  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

  18.  */

  19. 

  20. #include <string.h>

  21. 

  22. #include "libavutil/common.h"

  23. #include "libavutil/intreadwrite.h"

  24. #include "libavutil/mem.h"

  25. 

  26. #include "libswscale/rgb2rgb.h"

  27. 

  28. #include "checkasm.h"

  29. 

  30. #define randomize_buffers(buf, size)      \

  31.     do {                                  \

  32.         int j;                            \

  33.         for (j = 0; j < size; j+=4)       \

  34.             AV_WN32(buf + j, rnd());      \

  35.     } while (0)

  36. 

  37. static const uint8_t width[] = {12, 16, 20, 32, 36, 128};

  38. static const struct {uint8_t w, h, s;} planes[] = {

  39.     {12,16,12}, {16,16,16}, {20,23,25}, {32,18,48}, {8,128,16}, {128,128,128}

  40. };

  41. 

  42. #define MAX_STRIDE 128

  43. #define MAX_HEIGHT 128

  44. 

  45. static void check_shuffle_bytes(void * func, const char * report)

  46. {

  47.     int i;

  48.     LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE]);

  49.     LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE]);

  50.     LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE]);

  51.     LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE]);

  52. 

  53.     declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *src, uint8_t *dst, int src_size);

  54. 

  55.     memset(dst0, 0, MAX_STRIDE);

  56.     memset(dst1, 0, MAX_STRIDE);

  57.     randomize_buffers(src0, MAX_STRIDE);

  58.     memcpy(src1, src0, MAX_STRIDE);

  59. 

  60.     if (check_func(func, "%s", report)) {

  61.         for (i = 0; i < 6; i ++) {

  62.             call_ref(src0, dst0, width[i]);

  63.             call_new(src1, dst1, width[i]);

  64.             if (memcmp(dst0, dst1, MAX_STRIDE))

  65.                 fail();

  66.         }

  67.         bench_new(src0, dst0, width[5]);

  68.     }

  69. }

  70. 

  71. static void check_uyvy_to_422p(void)

  72. {

  73.     int i;

  74. 

  75.     LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT * 2]);

  76.     LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT * 2]);

  77.     LOCAL_ALIGNED_32(uint8_t, dst_y_0, [MAX_STRIDE * MAX_HEIGHT]);

  78.     LOCAL_ALIGNED_32(uint8_t, dst_y_1, [MAX_STRIDE * MAX_HEIGHT]);

  79.     LOCAL_ALIGNED_32(uint8_t, dst_u_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);

  80.     LOCAL_ALIGNED_32(uint8_t, dst_u_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);

  81.     LOCAL_ALIGNED_32(uint8_t, dst_v_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);

  82.     LOCAL_ALIGNED_32(uint8_t, dst_v_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);

  83. 

  84.     declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,

  85.                       const uint8_t *src, int width, int height,

  86.                       int lumStride, int chromStride, int srcStride);

  87. 

  88.     randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT * 2);

  89.     memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT * 2);

  90. 

  91.     if (check_func(uyvytoyuv422, "uyvytoyuv422")) {

  92.         for (i = 0; i < 6; i ++) {

  93.             memset(dst_y_0, 0, MAX_STRIDE * MAX_HEIGHT);

  94.             memset(dst_y_1, 0, MAX_STRIDE * MAX_HEIGHT);

  95.             memset(dst_u_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);

  96.             memset(dst_u_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);

  97.             memset(dst_v_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);

  98.             memset(dst_v_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);

  99. 

  100.             call_ref(dst_y_0, dst_u_0, dst_v_0, src0, planes[i].w, planes[i].h,

  101.                      MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);

  102.             call_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[i].w, planes[i].h,

  103.                      MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);

  104.             if (memcmp(dst_y_0, dst_y_1, MAX_STRIDE * MAX_HEIGHT) ||

  105.                 memcmp(dst_u_0, dst_u_1, (MAX_STRIDE/2) * MAX_HEIGHT) ||

  106.                 memcmp(dst_v_0, dst_v_1, (MAX_STRIDE/2) * MAX_HEIGHT))

  107.                 fail();

  108.         }

  109.         bench_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[5].w, planes[5].h,

  110.                   MAX_STRIDE, MAX_STRIDE / 2, planes[5].s);

  111.     }

  112. }

  113. 

  114. static void check_interleave_bytes(void)

  115. {

  116.     LOCAL_ALIGNED_16(uint8_t, src0_buf, [MAX_STRIDE*MAX_HEIGHT+1]);

  117.     LOCAL_ALIGNED_16(uint8_t, src1_buf, [MAX_STRIDE*MAX_HEIGHT+1]);

  118.     LOCAL_ALIGNED_16(uint8_t, dst0_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);

  119.     LOCAL_ALIGNED_16(uint8_t, dst1_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);

  120.     // Intentionally using unaligned buffers, as this function doesn't have

  121.     // any alignment requirements.

  122.     uint8_t *src0 = src0_buf + 1;

  123.     uint8_t *src1 = src1_buf + 1;

  124.     uint8_t *dst0 = dst0_buf + 2;

  125.     uint8_t *dst1 = dst1_buf + 2;

  126. 

  127.     declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *, const uint8_t *,

  128.                                        uint8_t *, int, int, int, int, int);

  129. 

  130.     randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);

  131.     randomize_buffers(src1, MAX_STRIDE * MAX_HEIGHT);

  132. 

  133.     if (check_func(interleaveBytes, "interleave_bytes")) {

  134.         for (int i = 0; i <= 16; i++) {

  135.             // Try all widths [1,16], and try one random width.

  136. 

  137.             int w = i > 0 ? i : (1 + (rnd() % (MAX_STRIDE-2)));

  138.             int h = 1 + (rnd() % (MAX_HEIGHT-2));

  139. 

  140.             int src0_offset = 0, src0_stride = MAX_STRIDE;

  141.             int src1_offset = 0, src1_stride = MAX_STRIDE;

  142.             int dst_offset  = 0, dst_stride  = 2 * MAX_STRIDE;

  143. 

  144.             memset(dst0, 0, 2 * MAX_STRIDE * MAX_HEIGHT);

  145.             memset(dst1, 0, 2 * MAX_STRIDE * MAX_HEIGHT);

  146. 

  147.             // Try different combinations of negative strides

  148.             if (i & 1) {

  149.                 src0_offset = (h-1)*src0_stride;

  150.                 src0_stride = -src0_stride;

  151.             }

  152.             if (i & 2) {

  153.                 src1_offset = (h-1)*src1_stride;

  154.                 src1_stride = -src1_stride;

  155.             }

  156.             if (i & 4) {

  157.                 dst_offset = (h-1)*dst_stride;

  158.                 dst_stride = -dst_stride;

  159.             }

  160. 

  161.             call_ref(src0 + src0_offset, src1 + src1_offset, dst0 + dst_offset,

  162.                      w, h, src0_stride, src1_stride, dst_stride);

  163.             call_new(src0 + src0_offset, src1 + src1_offset, dst1 + dst_offset,

  164.                      w, h, src0_stride, src1_stride, dst_stride);

  165.             // Check a one pixel-pair edge around the destination area,

  166.             // to catch overwrites past the end.

  167.             checkasm_check(uint8_t, dst0, 2*MAX_STRIDE, dst1, 2*MAX_STRIDE,

  168.                            2 * w + 2, h + 1, "dst");

  169.         }

  170. 

  171.         bench_new(src0, src1, dst1, 127, MAX_HEIGHT,

  172.                   MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);

  173.     }

  174.     if (check_func(interleaveBytes, "interleave_bytes_aligned")) {

  175.         // Bench the function in a more typical case, with aligned

  176.         // buffers and widths.

  177.         bench_new(src0_buf, src1_buf, dst1_buf, 128, MAX_HEIGHT,

  178.                   MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);

  179.     }

  180. }

  181. 

  182. void checkasm_check_sw_rgb(void)

  183. {

  184.     ff_sws_rgb2rgb_init();

  185. 

  186.     check_shuffle_bytes(shuffle_bytes_2103, "shuffle_bytes_2103");

  187.     report("shuffle_bytes_2103");

  188. 

  189.     check_shuffle_bytes(shuffle_bytes_0321, "shuffle_bytes_0321");

  190.     report("shuffle_bytes_0321");

  191. 

  192.     check_shuffle_bytes(shuffle_bytes_1230, "shuffle_bytes_1230");

  193.     report("shuffle_bytes_1230");

  194. 

  195.     check_shuffle_bytes(shuffle_bytes_3012, "shuffle_bytes_3012");

  196.     report("shuffle_bytes_3012");

  197. 

  198.     check_shuffle_bytes(shuffle_bytes_3210, "shuffle_bytes_3210");

  199.     report("shuffle_bytes_3210");

  200. 

  201.     check_uyvy_to_422p();

  202.     report("uyvytoyuv422");

  203. 

  204.     check_interleave_bytes();

  205.     report("interleave_bytes");

  206. }