ref: 6e99ed72a536e3997d4e907529d539256e8e9840
parent: d85615738881f1664099bbeb3290df9d59ec7985
author: Johann <johannkoenig@google.com>
date: Thu Mar 23 09:04:28 EDT 2017
vpx_comp_avg_pred: add test BUG=webm:1389 Change-Id: I23cd65f1939db026958ccb5d70b8c5cc9aa5bc51
--- /dev/null
+++ b/test/comp_avg_pred_test.cc
@@ -1,0 +1,151 @@
+/*
+ * Copyright (c) 2017 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 "third_party/googletest/src/include/gtest/gtest.h"
+
+#include "./vpx_dsp_rtcd.h"
+
+#include "test/acm_random.h"
+#include "test/buffer.h"
+#include "test/register_state_check.h"
+#include "vpx_ports/vpx_timer.h"
+
+namespace {+
+using ::libvpx_test::ACMRandom;
+using ::libvpx_test::Buffer;
+
+typedef void (*AvgPredFunc)(uint8_t *a, const uint8_t *b, int w, int h,
+ const uint8_t *c, int c_stride);
+
+uint8_t avg_with_rounding(uint8_t a, uint8_t b) { return (a + b + 1) >> 1; }+
+void reference_pred(const Buffer<uint8_t> &pred, const Buffer<uint8_t> &ref,
+ int width, int height, Buffer<uint8_t> *avg) {+ for (int y = 0; y < height; ++y) {+ for (int x = 0; x < width; ++x) {+ avg->TopLeftPixel()[y * avg->stride() + x] =
+ avg_with_rounding(pred.TopLeftPixel()[y * pred.stride() + x],
+ ref.TopLeftPixel()[y * ref.stride() + x]);
+ }
+ }
+}
+
+class AvgPredTest : public ::testing::TestWithParam<AvgPredFunc> {+ public:
+ virtual void SetUp() {+ avg_pred_func_ = GetParam();
+ rnd_.Reset(ACMRandom::DeterministicSeed());
+ }
+
+ protected:
+ AvgPredFunc avg_pred_func_;
+ ACMRandom rnd_;
+};
+
+TEST_P(AvgPredTest, SizeCombinations) {+ // This is called as part of the sub pixel variance. As such it must be one of
+ // the variance block sizes.
+
+ for (int width_pow = 2; width_pow <= 6; ++width_pow) {+ for (int height_pow = width_pow - 1; height_pow <= width_pow + 1;
+ ++height_pow) {+ // Don't test 4x2 or 64x128
+ if (height_pow == 1 || height_pow == 7) continue;
+
+ const int width = 1 << width_pow;
+ const int height = 1 << height_pow;
+ Buffer<uint8_t> pred = Buffer<uint8_t>(width, height, 0);
+ // Only the reference buffer may have a stride not equal to width.
+ Buffer<uint8_t> ref = Buffer<uint8_t>(width, height, 8);
+ Buffer<uint8_t> avg_ref = Buffer<uint8_t>(width, height, 0);
+ Buffer<uint8_t> avg_chk = Buffer<uint8_t>(width, height, 0);
+
+ pred.Set(&rnd_, &ACMRandom::Rand8);
+ ref.Set(&rnd_, &ACMRandom::Rand8);
+
+ reference_pred(pred, ref, width, height, &avg_ref);
+ ASM_REGISTER_STATE_CHECK(
+ avg_pred_func_(avg_chk.TopLeftPixel(), pred.TopLeftPixel(), width,
+ height, ref.TopLeftPixel(), ref.stride()));
+ EXPECT_TRUE(avg_chk.CheckValues(avg_ref));
+ if (HasFailure()) {+ avg_chk.PrintDifference(avg_ref);
+ return;
+ }
+ }
+ }
+}
+
+TEST_P(AvgPredTest, CompareReferenceRandom) {+ const int width = 64;
+ const int height = 32;
+ Buffer<uint8_t> pred = Buffer<uint8_t>(width, height, 0);
+ Buffer<uint8_t> ref = Buffer<uint8_t>(width, height, 8);
+ Buffer<uint8_t> avg_ref = Buffer<uint8_t>(width, height, 0);
+ Buffer<uint8_t> avg_chk = Buffer<uint8_t>(width, height, 0);
+
+ for (int i = 0; i < 500; ++i) {+ pred.Set(&rnd_, &ACMRandom::Rand8);
+ ref.Set(&rnd_, &ACMRandom::Rand8);
+
+ reference_pred(pred, ref, width, height, &avg_ref);
+ ASM_REGISTER_STATE_CHECK(avg_pred_func_(avg_chk.TopLeftPixel(),
+ pred.TopLeftPixel(), width, height,
+ ref.TopLeftPixel(), ref.stride()));
+ EXPECT_TRUE(avg_chk.CheckValues(avg_ref));
+ if (HasFailure()) {+ avg_chk.PrintDifference(avg_ref);
+ return;
+ }
+ }
+}
+
+TEST_P(AvgPredTest, DISABLED_Speed) {+ for (int width_pow = 2; width_pow <= 6; ++width_pow) {+ for (int height_pow = width_pow - 1; height_pow <= width_pow + 1;
+ ++height_pow) {+ // Don't test 4x2 or 64x128
+ if (height_pow == 1 || height_pow == 7) continue;
+
+ const int width = 1 << width_pow;
+ const int height = 1 << height_pow;
+ Buffer<uint8_t> pred = Buffer<uint8_t>(width, height, 0);
+ Buffer<uint8_t> ref = Buffer<uint8_t>(width, height, 8);
+ Buffer<uint8_t> avg = Buffer<uint8_t>(width, height, 0);
+
+ pred.Set(&rnd_, &ACMRandom::Rand8);
+ ref.Set(&rnd_, &ACMRandom::Rand8);
+
+ vpx_usec_timer timer;
+ vpx_usec_timer_start(&timer);
+ for (int i = 0; i < 100000; ++i) {+ avg_pred_func_(avg.TopLeftPixel(), pred.TopLeftPixel(), width, height,
+ ref.TopLeftPixel(), ref.stride());
+ }
+ vpx_usec_timer_mark(&timer);
+
+ const int elapsed_time =
+ static_cast<int>(vpx_usec_timer_elapsed(&timer) / 1000);
+ printf("Average Test %dx%d time: %5d ms\n", width, height, elapsed_time);+ }
+ }
+}
+
+INSTANTIATE_TEST_CASE_P(C, AvgPredTest,
+ ::testing::Values(&vpx_comp_avg_pred_c));
+
+/* TODO(johannkoenig): https://bugs.chromium.org/p/webm/issues/detail?id=1390
+#if HAVE_SSE2
+INSTANTIATE_TEST_CASE_P(SSE2, AvgPredTest,
+ ::testing::Values(&vpx_comp_avg_pred_sse2));
+#endif // HAVE_SSE2
+*/
+} // namespace
--- a/test/test.mk
+++ b/test/test.mk
@@ -150,6 +150,7 @@
LIBVPX_TEST_SRCS-$(CONFIG_VP9_DECODER) += vp9_decrypt_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_DECODER) += vp9_thread_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += avg_test.cc
+LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += comp_avg_pred_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += dct16x16_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += dct32x32_test.cc
LIBVPX_TEST_SRCS-$(CONFIG_VP9_ENCODER) += fdct4x4_test.cc