shithub: libvpx

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vp8_short_fdct4x4: verify optimized functions

Change-Id: I7c7f5dfabde65c09f111fb0ced0e3ad231ee716e

--- a/test/vp8_fdct4x4_test.cc

+++ b/test/vp8_fdct4x4_test.cc

@@ -17,6 +17,7 @@

 #include "third_party/googletest/src/include/gtest/gtest.h"

+#include "./vpx_config.h"

 #include "./vp8_rtcd.h"

 #include "test/acm_random.h"

 #include "vpx/vpx_integer.h"

@@ -23,6 +24,8 @@

 namespace {

+typedef void (*FdctFunc)(int16_t *a, int16_t *b, int a_stride);

+

 const int cospi8sqrt2minus1 = 20091;

 const int sinpi8sqrt2 = 35468;

@@ -68,8 +71,19 @@

 using libvpx_test::ACMRandom;

-TEST(VP8FdctTest, SignBiasCheck) {

-  ACMRandom rnd(ACMRandom::DeterministicSeed());

+class FdctTest : public ::testing::TestWithParam<FdctFunc> {

+ public:

+  virtual void SetUp() {

+    fdct_func_ = GetParam();

+    rnd_.Reset(ACMRandom::DeterministicSeed());

+  }

+

+ protected:

+  FdctFunc fdct_func_;

+  ACMRandom rnd_;

+};

+

+TEST_P(FdctTest, SignBiasCheck) {

   int16_t test_input_block[16];

   int16_t test_output_block[16];

   const int pitch = 8;

@@ -81,10 +95,10 @@

   for (int i = 0; i < count_test_block; ++i) {

     // Initialize a test block with input range [-255, 255].

     for (int j = 0; j < 16; ++j) {

-      test_input_block[j] = rnd.Rand8() - rnd.Rand8();

+      test_input_block[j] = rnd_.Rand8() - rnd_.Rand8();

     }

-    vp8_short_fdct4x4_c(test_input_block, test_output_block, pitch);

+    fdct_func_(test_input_block, test_output_block, pitch);

     for (int j = 0; j < 16; ++j) {

       if (test_output_block[j] < 0) {

@@ -110,10 +124,10 @@

   for (int i = 0; i < count_test_block; ++i) {

     // Initialize a test block with input range [-15, 15].

     for (int j = 0; j < 16; ++j) {

-      test_input_block[j] = (rnd.Rand8() >> 4) - (rnd.Rand8() >> 4);

+      test_input_block[j] = (rnd_.Rand8() >> 4) - (rnd_.Rand8() >> 4);

     }

-    vp8_short_fdct4x4_c(test_input_block, test_output_block, pitch);

+    fdct_func_(test_input_block, test_output_block, pitch);

     for (int j = 0; j < 16; ++j) {

       if (test_output_block[j] < 0) {

@@ -135,8 +149,7 @@

       << "Error: 4x4 FDCT has a sign bias > 10% for input range [-15, 15]";

 };

-TEST(VP8FdctTest, RoundTripErrorCheck) {

-  ACMRandom rnd(ACMRandom::DeterministicSeed());

+TEST_P(FdctTest, RoundTripErrorCheck) {

   int max_error = 0;

   double total_error = 0;

   const int count_test_block = 1000000;

@@ -147,11 +160,11 @@

     // Initialize a test block with input range [-255, 255].

     for (int j = 0; j < 16; ++j) {

-      test_input_block[j] = rnd.Rand8() - rnd.Rand8();

+      test_input_block[j] = rnd_.Rand8() - rnd_.Rand8();

     }

     const int pitch = 8;

-    vp8_short_fdct4x4_c(test_input_block, test_temp_block, pitch);

+    fdct_func_(test_input_block, test_temp_block, pitch);

     reference_idct4x4(test_temp_block, test_output_block);

     for (int j = 0; j < 16; ++j) {

@@ -169,4 +182,20 @@

       << "Error: FDCT/IDCT has average roundtrip error > 1 per block";

 };

+INSTANTIATE_TEST_CASE_P(C, FdctTest, ::testing::Values(vp8_short_fdct4x4_c));

+

+#if HAVE_NEON

+INSTANTIATE_TEST_CASE_P(NEON, FdctTest,

+                        ::testing::Values(vp8_short_fdct4x4_neon));

+#endif  // HAVE_NEON

+

+#if HAVE_SSE2

+INSTANTIATE_TEST_CASE_P(SSE2, FdctTest,

+                        ::testing::Values(vp8_short_fdct4x4_sse2));

+#endif  // HAVE_SSE2

+

+#if HAVE_MSA

+INSTANTIATE_TEST_CASE_P(MSA, FdctTest,

+                        ::testing::Values(vp8_short_fdct4x4_msa));

+#endif  // HAVE_MSA

 }  // namespace