vp8 quantize test

Test for Regular, Fast and Pair quantization

Change-Id: I0a26c164afe632db869099402189826c0d43f9a2

2 files changed, 249 insertions, 0 deletions

diff --git a/test/quantize_test.cc b/test/quantize_test.cc
new file mode 100644
index 000000000..e3fd1c843
--- /dev/null
+++ b/test/quantize_test.cc
@@ -0,0 +1,248 @@
+/*
+ *  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 <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 "./vpx_config.h"
+#include "./vp8_rtcd.h"
+#include "vp8/common/blockd.h"
+#include "vp8/common/onyx.h"
+#include "vp8/encoder/block.h"
+#include "vp8/encoder/onyx_int.h"
+#include "vp8/encoder/quantize.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_mem/vpx_mem.h"
+
+namespace {
+
+const int kNumBlocks = 25;
+const int kNumBlockEntries = 16;
+
+typedef void (*VP8Quantize)(BLOCK *b, BLOCKD *d);
+typedef void (*VP8QuantizePair)(BLOCK *b0, BLOCK *b1, BLOCKD *d0, BLOCKD *d1);
+
+typedef std::tr1::tuple<VP8Quantize, VP8Quantize> VP8QuantizeParam;
+typedef std::tr1::tuple<VP8QuantizePair, VP8QuantizePair> VP8QuantizePairParam;
+
+using libvpx_test::ACMRandom;
+using std::tr1::make_tuple;
+
+// Create and populate a VP8_COMP instance which has a complete set of
+// quantization inputs as well as a second MACROBLOCKD for output.
+class QuantizeTestBase {
+ public:
+  virtual ~QuantizeTestBase() {
+    vp8_remove_compressor(&vp8_comp_);
+    vp8_comp_ = NULL;
+    vpx_free(macroblockd_dst_);
+    macroblockd_dst_ = NULL;
+    libvpx_test::ClearSystemState();
+  }
+
+ protected:
+  void SetupCompressor() {
+    rnd_.Reset(ACMRandom::DeterministicSeed());
+
+    // The full configuration is necessary to generate the quantization tables.
+    VP8_CONFIG *const vp8_config =
+        reinterpret_cast<VP8_CONFIG *>(vpx_calloc(sizeof(*vp8_config), 1));
+
+    vp8_comp_ = vp8_create_compressor(vp8_config);
+
+    // Set the tables based on a quantizer of 0.
+    vp8_set_quantizer(vp8_comp_, 0);
+
+    // Set up all the block/blockd pointers for the mb in vp8_comp_.
+    vp8cx_frame_init_quantizer(vp8_comp_);
+
+    // Copy macroblockd from the reference to get pre-set-up dequant values.
+    macroblockd_dst_ =
+        reinterpret_cast<MACROBLOCKD *>(
+            vpx_calloc(sizeof(*macroblockd_dst_), 1));
+    vpx_memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd,
+               sizeof(*macroblockd_dst_));
+    // Fix block pointers - currently they point to the blocks in the reference
+    // structure.
+    vp8_setup_block_dptrs(macroblockd_dst_);
+  }
+
+  void UpdateQuantizer(int q) {
+    vp8_set_quantizer(vp8_comp_, q);
+
+    vpx_memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd,
+               sizeof(*macroblockd_dst_));
+    vp8_setup_block_dptrs(macroblockd_dst_);
+  }
+
+  void FillCoeffConstant(int16_t c) {
+    for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) {
+      vp8_comp_->mb.coeff[i] = c;
+    }
+  }
+
+  void FillCoeffRandom() {
+    for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) {
+      vp8_comp_->mb.coeff[i] = rnd_.Rand8();
+    }
+  }
+
+  void CheckOutput() {
+    EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.qcoeff, macroblockd_dst_->qcoeff,
+                        sizeof(*macroblockd_dst_->qcoeff) * kNumBlocks *
+                            kNumBlockEntries))
+        << "qcoeff mismatch";
+    EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.dqcoeff, macroblockd_dst_->dqcoeff,
+                        sizeof(*macroblockd_dst_->dqcoeff) * kNumBlocks *
+                            kNumBlockEntries))
+        << "dqcoeff mismatch";
+    EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.eobs, macroblockd_dst_->eobs,
+                        sizeof(*macroblockd_dst_->eobs) * kNumBlocks))
+        << "eobs mismatch";
+  }
+
+  VP8_COMP *vp8_comp_;
+  MACROBLOCKD *macroblockd_dst_;
+
+ private:
+  ACMRandom rnd_;
+};
+
+class QuantizeTest : public QuantizeTestBase,
+                     public ::testing::TestWithParam<VP8QuantizeParam> {
+ protected:
+  virtual void SetUp() {
+    SetupCompressor();
+    asm_quant_ = GET_PARAM(0);
+    c_quant_ = GET_PARAM(1);
+  }
+
+  void RunComparison() {
+    for (int i = 0; i < kNumBlocks; ++i) {
+      ASM_REGISTER_STATE_CHECK(
+          c_quant_(&vp8_comp_->mb.block[i], &vp8_comp_->mb.e_mbd.block[i]));
+      ASM_REGISTER_STATE_CHECK(
+          asm_quant_(&vp8_comp_->mb.block[i], &macroblockd_dst_->block[i]));
+    }
+
+    CheckOutput();
+  }
+
+ private:
+  VP8Quantize asm_quant_;
+  VP8Quantize c_quant_;
+};
+
+class QuantizeTestPair : public QuantizeTestBase,
+                         public ::testing::TestWithParam<VP8QuantizePairParam> {
+ protected:
+  virtual void SetUp() {
+    SetupCompressor();
+    asm_quant_pair_ = GET_PARAM(0);
+    c_quant_pair_ = GET_PARAM(1);
+  }
+
+  void RunComparison() {
+    // Skip the last, unpaired, block.
+    for (int i = 0; i < kNumBlocks - 1; i += 2) {
+      ASM_REGISTER_STATE_CHECK(c_quant_pair_(
+          &vp8_comp_->mb.block[i], &vp8_comp_->mb.block[i + 1],
+          &vp8_comp_->mb.e_mbd.block[i], &vp8_comp_->mb.e_mbd.block[i + 1]));
+      ASM_REGISTER_STATE_CHECK(asm_quant_pair_(
+          &vp8_comp_->mb.block[i], &vp8_comp_->mb.block[i + 1],
+          &macroblockd_dst_->block[i], &macroblockd_dst_->block[i + 1]));
+    }
+
+    CheckOutput();
+  }
+
+ private:
+  VP8QuantizePair asm_quant_pair_;
+  VP8QuantizePair c_quant_pair_;
+};
+
+TEST_P(QuantizeTest, TestZeroInput) {
+  FillCoeffConstant(0);
+  RunComparison();
+}
+
+TEST_P(QuantizeTest, TestRandomInput) {
+  FillCoeffRandom();
+  RunComparison();
+}
+
+TEST_P(QuantizeTest, TestMultipleQ) {
+  for (int q = 0; q < QINDEX_RANGE; ++q) {
+    UpdateQuantizer(q);
+    FillCoeffRandom();
+    RunComparison();
+  }
+}
+
+TEST_P(QuantizeTestPair, TestZeroInput) {
+  FillCoeffConstant(0);
+  RunComparison();
+}
+
+TEST_P(QuantizeTestPair, TestRandomInput) {
+  FillCoeffRandom();
+  RunComparison();
+}
+
+TEST_P(QuantizeTestPair, TestMultipleQ) {
+  for (int q = 0; q < QINDEX_RANGE; ++q) {
+    UpdateQuantizer(q);
+    FillCoeffRandom();
+    RunComparison();
+  }
+}
+
+#if HAVE_SSE2
+INSTANTIATE_TEST_CASE_P(
+    SSE2, QuantizeTest,
+    ::testing::Values(
+        make_tuple(vp8_fast_quantize_b_sse2, vp8_fast_quantize_b_c),
+        make_tuple(vp8_regular_quantize_b_sse2, vp8_regular_quantize_b_c)));
+#endif  // HAVE_SSE2
+
+#if HAVE_SSSE3
+INSTANTIATE_TEST_CASE_P(SSSE3, QuantizeTest,
+                        ::testing::Values(make_tuple(vp8_fast_quantize_b_ssse3,
+                                                     vp8_fast_quantize_b_c)));
+#endif  // HAVE_SSSE3
+
+#if HAVE_SSE4_1
+INSTANTIATE_TEST_CASE_P(SSE4_1, QuantizeTest, ::testing::Values(make_tuple(
+                                                  vp8_regular_quantize_b_sse4_1,
+                                                  vp8_regular_quantize_b_c)));
+#endif  // HAVE_SSE4_1
+
+#if HAVE_MEDIA
+INSTANTIATE_TEST_CASE_P(MEDIA, QuantizeTest,
+                        ::testing::Values(make_tuple(vp8_fast_quantize_b_armv6,
+                                                     vp8_fast_quantize_b_c)));
+#endif  // HAVE_MEDIA
+
+#if HAVE_NEON_ASM
+INSTANTIATE_TEST_CASE_P(NEON, QuantizeTest,
+                        ::testing::Values(make_tuple(vp8_fast_quantize_b_neon,
+                                                     vp8_fast_quantize_b_c)));
+
+INSTANTIATE_TEST_CASE_P(
+    NEON, QuantizeTestPair,
+    ::testing::Values(make_tuple(vp8_fast_quantize_b_pair_neon,
+                                 vp8_fast_quantize_b_pair_c)));
+#endif  // HAVE_NEON_ASM
+}  // namespace
diff --git a/test/test.mk b/test/test.mk
index 30c13a1d5..ab4ebbf18 100644
--- a/test/test.mk
+++ b/test/test.mk
@@ -99,6 +99,7 @@ LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += set_roi.cc
 LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += subtract_test.cc
 LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += variance_test.cc
 LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += vp8_fdct4x4_test.cc
+LIBVPX_TEST_SRCS-$(CONFIG_VP8_ENCODER) += quantize_test.cc
 
 LIBVPX_TEST_SRCS-yes                   += idct_test.cc
 LIBVPX_TEST_SRCS-yes                   += intrapred_test.cc