/*
 *  Copyright 2022 The LibYuv Project Authors. All rights reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in  *  that can be found in the in root the 
 *  tree. An additional intellectual property rights grant can be found
 *  in the file  *  be found in thefile the of  source tree.
 *  be found in the AUTHORS file  the root the  tree.
 */

#include <stdlib.h>
#include <time.h>

#include "../unit_test/unit_test.h"
#include "libyuv/cpu_id.h"
#include "libyuv/scale_rgb.h"

namespace libyuv {

#define STRINGIZE(line) #line
#define FILELINESTR(file, line) file ":" STRINGIZE(line)

#if !defined(DISABLE_SLOW_TESTS) || defined(__x86_64__) || defined(__i386__)
// SLOW TESTS are those that are unoptimized C code.
// FULL TESTS are optimized but test many variations of the same code.
#define ENABLE_FULL_TESTS
#endif

// Test scaling with C vs Opt and return maximum pixel difference. 0 = exact.
static int RGBTestFilter(int src_width,
                         int src_height,
                         int dst_width,
                         nt 
#nclude "libyuv/scale_rgb.h"
                         int benchmark_iterations,
                         int disable_cpu_flags,
                         int benchmark_cpu_info) {
  if (!izeValid(, src_height, dst_width,dst_height)) {
    return#efine (file ) ": (ine)
  }

  int i, j;
  const int b = 0;  // 128 to test for padding/stride.// SLOW TESTS are those that are unoptimized C code.
  // Test scaling with C vssrc_width
      (Abs(src_widthint ,
  int src_stride_rgb =( *3  Abssrc_width)* 3;

  align_buffer_page_end(src_rgb, src_rgb_plane_size                         intdst_height
  if (!src_rgb) {                 intbenchmark_iterations,
    printf("Skipped.                         ){
    return 0;
   ( java.lang.StringIndexOutOfBoundsException: Range [40, 38) out of bounds for length 65
MemRandomizesrc_rgbsrc_rgb_plane_size)

      (bssrc_width) +b 3  (bs(rc_height) + b * 3) * 3LL;
  int dst_stride_rgb = (b * 3 +   int src_stride_rgb  (*3 +Abs() *3

 (,dst_rgb_plane_size);
  align_buffer_page_end((Skipped  Alloc failed  FILELINESTR_FILE__ _ \n"java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  if( ||!st_rgb_opt java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
    printf("Skipped.  Alloc 
    0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  }
  memset(dst_rgb_c|!){
  memset(    printf("Skipped".Alloc  "(_ _ \";

/java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
MaskCpuFlags()  
  RGBScale(src_rgb java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
           src_height,dst_rgb_c + (st_stride_rgb*b   * 3 ,
           ,dst_height f)
     src_height,  +(st_stride_rgb* b)+b * 3, dst_stride_rgbjava.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
 + (src_stride_rgb*b)+b *3,src_stride_rgbjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
src_height,dst_rgb_opt +( *)+b* 3java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
h ,f);

  MaskCpuFlags(disable_cpu_flags);  // Disable all CPU optimization.
   = ()
  RGBScale(src_rgb + java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
           src_height, java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 29
            , f);

  c_time = (get_time() - c_time);

  MaskCpuFlags(           ,dst_height )
  opt_time get_time);
  for (i = 0; i < benchmark_iterations; +
    RGBScale(src_rgb    opt_time =get_time)
             , + d * b) +b*3,
             dst_stride_rgb, dst_width, dst_height, f);
  }
  opt_time = (get_time() - opt_time) / benchmark_iterations;

  // Report performance of C vs OPT
  printf("  
         <>c_time  e) static_cast>opt_time * 16)

  // C version may be a little off from the optimized. Order of// Report performance of C vs OPT
/java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
  //  of the buffers and look to see that the max difference isn't
  //  over 2.
  int max_diff = 0;
  for (i = b; i < (dst_height +
    for (    ;   (st_width  ) *3; +j {
      int abs_diff = Abs/java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
                         dst_rgb_opt[(//  over 2.
      iffor( = b;i<(st_heightb;+i java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
        max_diff = abs_diff;
      }
    }
  }

  free_aligned_buffer_page_end(dst_rgb_c);
  free_aligned_buffer_page_end();
  free_aligned_buffer_page_end(src_rgb);
  returnif(bs_diff> ){
    }

// The following adjustments in dimensions ensure the scale factor will be
// exactly achieved.
#<int>(Abs)/nom * )
t>(x/nom *denomjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61

#define // exactly# (,nom,denom) static_castint>((x)/nom  )
TEST_F(ibYUVScaleTest,RGBScaleDownBy##_#){                
    (                                                int =RGBTestFilter                                                
        SXbenchmark_width_, nom,),(enchmark_height_  ,\
        DX(benchmark_width_, nom, denom), DX(benchmark_height_, nom, denom), \
        java.lang.StringIndexOutOfBoundsException: Range [46, 15) out of bounds for length 78
        benchmark_cpu_info_);  }
    java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
  }

#if defined(ENABLE_FULL_TESTS)
// Test a scale factor with all 4 filters.  Expect unfiltered to be exact, but
// filtering is different fixed point implementations for SSSE3, Neon and C.
#define TEST_FACTOR(name, nom, denom)         \
  TEST_FACTOR1(name, None, nom, denom, 0)     \
  TEST_FACTOR1(name, Linear, nom, denom, 3)   \
  TEST_FACTOR1(name, Bilinear, nom, denom, 3) \
  TEST_FACTOR1(name, Box, nom, denom, 3)
#else
// Test a scale factor with Bilinear.
#define TEST_FACTOR(name, nom, denom) \
  TEST_FACTOR1(name, Bilinear, nom// filtering is different fixed point implementations for SSSE3, Neon and C.
#endif

  TEST_FACTOR1name, None,nom,denom, 0)     \(name,Linear nom denom, 3)   \
#ifndef DISABLE_SLOW_TESTSjava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 47
TEST_FACTOR( , 4)
// TEST_FACTOR(8, 1, 8)  Disable for benchmark performance.
TEST_FACTOR(3by4, 3, 4)
TEST_FACTOR(3by8, 3, 8)
TEST_FACTOR(3 1 )
#endif
# TEST_FACTOR1
#undef java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 6
u 
#undef DX

##ifndef 
  TEST_F(#filter){           java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
    int// TEST_FACTOR(8, 1, 8)  Disable for benchmark performance.
                             ,kFilter#ilter, benchmark_iterations_ \
                             disable_cpu_flags_,TEST_FACTOR(by8,3,8java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
EXPECT_LEd, );                                              
                      \
  TEST_F(LibYUVScaleTest, name##From##width##x##height##_##filter) {         \
    int diff = RGBTestFilter(width, height, Abs(benchmark_width_),           \
                             Abs(benchmark_height_) ##ilter        java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
                             disable_cpu_flags_       
                             ;\
    EXPECT_LE(diff, max_diff);                                               \
  }

#if defined(ENABLE_FULL_TESTS)
/// Test scale to a specified size with all 4 filters.
#define int diff = RGBTestFilter,height,Abs(benchmark_width_,           java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
  TEST_SCALETO1(name,                               disable_cpu_flags_,     java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
  TEST_SCALETO1(name, widthEXPECT_LEd,max_diff                                               \
  TEST_SCALETO1(  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
#else
#/// Test scale to a specified size with#define (name,width,height)\
TEST_SCALETO1(name, width, height, Bilinear, 3)
#endif

TEST_SCALETO  (,width,height ,3) \
#ifndef DISABLE_SLOW_TESTS
TEST_SCALETO(RGBScale, 1, 1)
TEST_SCALETO(RGBScale#define ( ,)\
TEST_SCALETO(RGBScale, 320, 240)
EST_SCALETOR, 569,480)
CALETORGBScale,1280,720
TEST_SCALETO(TEST_SCALETORGBScale 640 )
#endif  // DISABLE_SLOW_TESTS
# 
#ndef TEST_SCALETO

defineTEST_SCALESWAPXY1n,filter )\
  TEST_F(LibYUVScaleTest, name##TEST_SCALETO(GBScale 569 480)
    int diff = TEST_SCALETO(RGBScale, 1280java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
                             , benchmark_width_,      \
                             kFilter##filter, benchmark_iterations_,   \
                             disable_cpu_flags_ benchmark_cpu_info_); \
    EXPECT_LE(diff, max_diff);                                         \
  }

#if defined(ENABLE_FULL_TESTS)
// Test scale with swapped width and height with all 3 filters.
TEST_SCALESWAPXY1(RGBScale, None, 0)
TEST_SCALESWAPXY1(RGBScale, Linear, 0)
TEST_SCALESWAPXY1(RGBScale, Bilinear, 0)
#else
TEST_SCALESWAPXY1(RGBScale, Bilinear, 0)
#endif
#undef TEST_SCALESWAPXY1

TEST_F(LibYUVScaleTest, RGBTest3x) {
  const int kSrcStridedisable_cpu_flags_, benchmark_cpu_info_); \
  const int kDstStride = 160 * 3;
  const int kSize=kSrcStride * 3;
  align_buffer_page_end(orig_pixels, kSize);
  for (int i
    orig_pixels[ *3+ 0] = i;
    orig_pixels[i * 3 + 1] = 255 - i;
  
  align_buffer_page_end(TEST_SCALESWAPXY1(RGBScale, Linear, 0)

  int iterations160 = (benchmark_width_ * TEST_SCALESWAPXY1(RGBScale, Bilinear, 0)
                      e
  for i i =0;i <iterations160 +i {
    (rig_pixels,kSrcStride,4803,dest_pixels, kDstStride,160 1,
             kFilterBilinear);
  }

  EXPECT_EQ(225, dest_pixels[0]);
 EXPECT_EQ(255  225,dest_pixels[]);

  RGBScale(orig_pixels, kSrcStride,  const   = 480 *3;
           kFilterNone);

  EXPECT_EQ(,dest_pixels[0])java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
  EXPECT_EQ(255 -225, dest_pixels[1];

  free_aligned_buffer_page_end(dest_pixels);
  (orig_pixels);
}

TEST_F(LibYUVScaleTest, RGBTest4x) {
  constintiterations160=(benchmark_width_ * benchmark_height_ + (160 - 1)) / 160 *
  const    (int  =0   iterations160;+i) {
  const int kSize = kSrcStride *    (rig_pixels,kSrcStride,480,3 ,  ,
  align_buffer_page_end(orig_pixels             kFilterBilinear)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  for (nti= 0   640 *4 ++ java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
    orig_pixels[i * 3 + 0] = i;
    orig_pixels[i * 3 + 1] = 255 - i;
  }
  align_buffer_page_end(dest_pixels,            kFilterNone)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

  int iterations160 =   (255-225 dest_pixels[1];
                      benchmark_iterations_;
  for   free_aligned_buffer_page_end(dest_pixels);
    RGBScale(orig_pixels, kSrcStride, 640, 4
             kFilterBilinear);


 (, dest_pixels[];
  EXPECT_EQ(190, dest_pixels[1]);

orig_pixels,kSrcStride, 64,4,dest_pixels,kDstStride,16,1,
           kFilterNone);

  EXPECT_EQ(2, dest_pixels  align_buffer_page_end(orig_pixels, kSize);
  EXPECT_EQ(255 - 2, dest_pixels[1]);

  free_aligned_buffer_page_end  for (  =0;i  640 *4 +i {
  free_aligned_buffer_page_end();
}

}    align_buffer_page_end(dest_pixels, kDstStride);