ref: e638aff245ea6beadffcd70bdadcfe5267c55b72
parent: 20254d1daa4a887ad957e1d7e57df7df2a03b1ea
parent: 09fbe88631a437bf68cbfe2d5dcf937a42d08c49
author: JackyChen <[email protected]>
date: Wed Oct 8 07:41:14 EDT 2014
Merge "Add unit test for VP8 denoiser."
--- a/test/test.mk
+++ b/test/test.mk
@@ -103,6 +103,10 @@
LIBVPX_TEST_SRCS-yes += sixtap_predict_test.cc
LIBVPX_TEST_SRCS-yes += vpx_scale_test.cc
+ifeq ($(CONFIG_VP8_ENCODER)$(CONFIG_TEMPORAL_DENOISING),yesyes)
+LIBVPX_TEST_SRCS-$(HAVE_SSE2) += vp8_denoiser_sse2_test.cc
+endif
+
endif # VP8
## VP9
@@ -136,8 +140,8 @@
LIBVPX_TEST_SRCS-$(CONFIG_SPATIAL_SVC) += svc_test.cc
endif
-ifeq ($(CONFIG_VP9_TEMPORAL_DENOISING),yes)
-LIBVPX_TEST_SRCS-$(CONFIG_VP9_TEMPORAL_DENOISING) += vp9_denoiser_sse2_test.cc
+ifeq ($(CONFIG_VP9_ENCODER)$(CONFIG_VP9_TEMPORAL_DENOISING),yesyes)
+LIBVPX_TEST_SRCS-$(HAVE_SSE2) += vp9_denoiser_sse2_test.cc
endif
endif # VP9
--- /dev/null
+++ b/test/vp8_denoiser_sse2_test.cc
@@ -1,0 +1,119 @@
+/*
+ * Copyright (c) 2014 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 <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "third_party/googletest/src/include/gtest/gtest.h"
+#include "test/acm_random.h"
+#include "test/clear_system_state.h"
+#include "test/register_state_check.h"
+#include "test/util.h"
+
+#include "vp8/encoder/denoising.h"
+#include "vp8/common/reconinter.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_mem/vpx_mem.h"
+
+using libvpx_test::ACMRandom;
+
+namespace {+
+const int kNumPixels = 16 * 16;
+class VP8DenoiserTest
+ : public ::testing::TestWithParam<int> {+ public:
+ virtual ~VP8DenoiserTest() {}+
+ virtual void SetUp() {+ increase_denoising = GetParam();
+ }
+
+ virtual void TearDown() { libvpx_test::ClearSystemState(); }+
+ protected:
+ int increase_denoising;
+};
+
+TEST_P(VP8DenoiserTest, BitexactCheck) {+ ACMRandom rnd(ACMRandom::DeterministicSeed());
+ const int count_test_block = 4000;
+ const int stride = 16;
+
+ // Allocate the space for input and output,
+ // where sig_block_c/_sse2 is the block to be denoised,
+ // mc_avg_block is the denoised reference block,
+ // avg_block_c is the denoised result from C code,
+ // avg_block_sse2 is the denoised result from SSE2 code.
+ DECLARE_ALIGNED_ARRAY(16, uint8_t, sig_block_c, kNumPixels);
+ // Since in VP8 denoiser, the source signal will be changed,
+ // we need another copy of the source signal as the input of sse2 code.
+ DECLARE_ALIGNED_ARRAY(16, uint8_t, sig_block_sse2, kNumPixels);
+ DECLARE_ALIGNED_ARRAY(16, uint8_t, mc_avg_block, kNumPixels);
+ DECLARE_ALIGNED_ARRAY(16, uint8_t, avg_block_c, kNumPixels);
+ DECLARE_ALIGNED_ARRAY(16, uint8_t, avg_block_sse2, kNumPixels);
+
+ for (int i = 0; i < count_test_block; ++i) {+ // Generate random motion magnitude, 20% of which exceed the threshold.
+ uint8_t motion_magnitude_random
+ = rnd.Rand8() % (uint8_t)(MOTION_MAGNITUDE_THRESHOLD * 1.2);
+
+ // Initialize a test block with random number in range [0, 255].
+ for (int j = 0; j < kNumPixels; ++j) {+ int temp = 0;
+ sig_block_sse2[j] = sig_block_c[j] = rnd.Rand8();
+ // The pixels in mc_avg_block are generated by adding a random
+ // number in range [-19, 19] to corresponding pixels in sig_block.
+ temp = sig_block_c[j] + (rnd.Rand8() % 2 == 0? -1 : 1) *
+ (rnd.Rand8()%20);
+ // Clip.
+ mc_avg_block[j] = (temp < 0? 0 : (temp > 255? 255 : temp));
+ }
+
+ // Test denosiser on Y component.
+ ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_c(mc_avg_block, stride,
+ avg_block_c, stride, sig_block_c, stride,
+ motion_magnitude_random, increase_denoising));
+
+ ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_sse2(mc_avg_block, stride,
+ avg_block_sse2, stride, sig_block_sse2, stride,
+ motion_magnitude_random, increase_denoising));
+
+ // Check bitexactness.
+ for (int h = 0; h < 16; ++h) {+ for (int w = 0; w < 16; ++w) {+ EXPECT_EQ(avg_block_c[h * stride + w], avg_block_sse2[h * stride + w]);
+ }
+ }
+
+ // Test denosiser on UV component.
+ ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_uv_c(mc_avg_block, stride,
+ avg_block_c, stride, sig_block_c, stride,
+ motion_magnitude_random, increase_denoising));
+
+ ASM_REGISTER_STATE_CHECK(vp8_denoiser_filter_uv_sse2(mc_avg_block, stride,
+ avg_block_sse2, stride, sig_block_sse2, stride,
+ motion_magnitude_random, increase_denoising));
+
+ // Check bitexactness.
+ for (int h = 0; h < 16; ++h) {+ for (int w = 0; w < 16; ++w) {+ EXPECT_EQ(avg_block_c[h * stride + w], avg_block_sse2[h * stride + w]);
+ }
+ }
+ }
+}
+
+// Test for all block size.
+INSTANTIATE_TEST_CASE_P(
+ SSE2, VP8DenoiserTest,
+ ::testing::Values(0, 1));
+} // namespace