Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 180 insertions, 0 deletions

diff --git a/media/libvpx/libvpx/test/idct_test.cc b/media/libvpx/libvpx/test/idct_test.cc
new file mode 100644
index 0000000000..1b9532e1c1
--- /dev/null
+++ b/media/libvpx/libvpx/test/idct_test.cc
@@ -0,0 +1,180 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "./vpx_config.h"
+#include "./vp8_rtcd.h"
+
+#include "third_party/googletest/src/include/gtest/gtest.h"
+
+#include "test/buffer.h"
+#include "test/clear_system_state.h"
+#include "test/register_state_check.h"
+#include "vpx/vpx_integer.h"
+
+typedef void (*IdctFunc)(int16_t *input, unsigned char *pred_ptr,
+                         int pred_stride, unsigned char *dst_ptr,
+                         int dst_stride);
+namespace {
+
+using libvpx_test::Buffer;
+
+class IDCTTest : public ::testing::TestWithParam<IdctFunc> {
+ protected:
+  virtual void SetUp() {
+    UUT = GetParam();
+
+    input = new Buffer<int16_t>(4, 4, 0);
+    ASSERT_NE(input, nullptr);
+    ASSERT_TRUE(input->Init());
+    predict = new Buffer<uint8_t>(4, 4, 3);
+    ASSERT_NE(predict, nullptr);
+    ASSERT_TRUE(predict->Init());
+    output = new Buffer<uint8_t>(4, 4, 3);
+    ASSERT_NE(output, nullptr);
+    ASSERT_TRUE(output->Init());
+  }
+
+  virtual void TearDown() {
+    delete input;
+    delete predict;
+    delete output;
+    libvpx_test::ClearSystemState();
+  }
+
+  IdctFunc UUT;
+  Buffer<int16_t> *input;
+  Buffer<uint8_t> *predict;
+  Buffer<uint8_t> *output;
+};
+
+TEST_P(IDCTTest, TestAllZeros) {
+  // When the input is '0' the output will be '0'.
+  input->Set(0);
+  predict->Set(0);
+  output->Set(0);
+
+  ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
+                               predict->stride(), output->TopLeftPixel(),
+                               output->stride()));
+
+  ASSERT_TRUE(input->CheckValues(0));
+  ASSERT_TRUE(input->CheckPadding());
+  ASSERT_TRUE(output->CheckValues(0));
+  ASSERT_TRUE(output->CheckPadding());
+}
+
+TEST_P(IDCTTest, TestAllOnes) {
+  input->Set(0);
+  ASSERT_NE(input->TopLeftPixel(), nullptr);
+  // When the first element is '4' it will fill the output buffer with '1'.
+  input->TopLeftPixel()[0] = 4;
+  predict->Set(0);
+  output->Set(0);
+
+  ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
+                               predict->stride(), output->TopLeftPixel(),
+                               output->stride()));
+
+  ASSERT_TRUE(output->CheckValues(1));
+  ASSERT_TRUE(output->CheckPadding());
+}
+
+TEST_P(IDCTTest, TestAddOne) {
+  // Set the transform output to '1' and make sure it gets added to the
+  // prediction buffer.
+  input->Set(0);
+  ASSERT_NE(input->TopLeftPixel(), nullptr);
+  input->TopLeftPixel()[0] = 4;
+  output->Set(0);
+
+  uint8_t *pred = predict->TopLeftPixel();
+  for (int y = 0; y < 4; ++y) {
+    for (int x = 0; x < 4; ++x) {
+      pred[y * predict->stride() + x] = y * 4 + x;
+    }
+  }
+
+  ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
+                               predict->stride(), output->TopLeftPixel(),
+                               output->stride()));
+
+  uint8_t const *out = output->TopLeftPixel();
+  for (int y = 0; y < 4; ++y) {
+    for (int x = 0; x < 4; ++x) {
+      EXPECT_EQ(1 + y * 4 + x, out[y * output->stride() + x]);
+    }
+  }
+
+  if (HasFailure()) {
+    output->DumpBuffer();
+  }
+
+  ASSERT_TRUE(output->CheckPadding());
+}
+
+TEST_P(IDCTTest, TestWithData) {
+  // Test a single known input.
+  predict->Set(0);
+
+  int16_t *in = input->TopLeftPixel();
+  for (int y = 0; y < 4; ++y) {
+    for (int x = 0; x < 4; ++x) {
+      in[y * input->stride() + x] = y * 4 + x;
+    }
+  }
+
+  ASM_REGISTER_STATE_CHECK(UUT(input->TopLeftPixel(), predict->TopLeftPixel(),
+                               predict->stride(), output->TopLeftPixel(),
+                               output->stride()));
+
+  uint8_t *out = output->TopLeftPixel();
+  for (int y = 0; y < 4; ++y) {
+    for (int x = 0; x < 4; ++x) {
+      switch (y * 4 + x) {
+        case 0: EXPECT_EQ(11, out[y * output->stride() + x]); break;
+        case 2:
+        case 5:
+        case 8: EXPECT_EQ(3, out[y * output->stride() + x]); break;
+        case 10: EXPECT_EQ(1, out[y * output->stride() + x]); break;
+        default: EXPECT_EQ(0, out[y * output->stride() + x]);
+      }
+    }
+  }
+
+  if (HasFailure()) {
+    output->DumpBuffer();
+  }
+
+  ASSERT_TRUE(output->CheckPadding());
+}
+
+INSTANTIATE_TEST_SUITE_P(C, IDCTTest,
+                         ::testing::Values(vp8_short_idct4x4llm_c));
+
+#if HAVE_NEON
+INSTANTIATE_TEST_SUITE_P(NEON, IDCTTest,
+                         ::testing::Values(vp8_short_idct4x4llm_neon));
+#endif  // HAVE_NEON
+
+#if HAVE_MMX
+INSTANTIATE_TEST_SUITE_P(MMX, IDCTTest,
+                         ::testing::Values(vp8_short_idct4x4llm_mmx));
+#endif  // HAVE_MMX
+
+#if HAVE_MSA
+INSTANTIATE_TEST_SUITE_P(MSA, IDCTTest,
+                         ::testing::Values(vp8_short_idct4x4llm_msa));
+#endif  // HAVE_MSA
+
+#if HAVE_MMI
+INSTANTIATE_TEST_SUITE_P(MMI, IDCTTest,
+                         ::testing::Values(vp8_short_idct4x4llm_mmi));
+#endif  // HAVE_MMI
+}  // namespace