1 files changed, 242 insertions, 0 deletions
diff --git a/third_party/aom/test/encodetxb_test.cc b/third_party/aom/test/encodetxb_test.cc
new file mode 100644
index 000000000..ab6ec72c6
--- /dev/null
+++ b/third_party/aom/test/encodetxb_test.cc
@@ -0,0 +1,242 @@
+/*
+ * Copyright (c) 2017, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "config/aom_config.h"
+#include "config/av1_rtcd.h"
+
+#include "aom_ports/aom_timer.h"
+#include "aom_ports/mem.h"
+#include "av1/common/idct.h"
+#include "av1/common/onyxc_int.h"
+#include "av1/common/scan.h"
+#include "av1/common/txb_common.h"
+#include "test/acm_random.h"
+#include "test/clear_system_state.h"
+#include "test/register_state_check.h"
+#include "test/util.h"
+
+namespace {
+using libaom_test::ACMRandom;
+
+typedef void (*GetNzMapContextsFunc)(const uint8_t *const levels,
+                                     const int16_t *const scan,
+                                     const uint16_t eob, const TX_SIZE tx_size,
+                                     const TX_CLASS tx_class,
+                                     int8_t *const coeff_contexts);
+
+class EncodeTxbTest : public ::testing::TestWithParam<GetNzMapContextsFunc> {
+ public:
+  EncodeTxbTest() : get_nz_map_contexts_func_(GetParam()) {}
+
+  virtual ~EncodeTxbTest() {}
+
+  virtual void SetUp() {
+    coeff_contexts_ref_ = reinterpret_cast<int8_t *>(
+        aom_memalign(16, sizeof(*coeff_contexts_ref_) * MAX_TX_SQUARE));
+    ASSERT_TRUE(coeff_contexts_ref_ != NULL);
+    coeff_contexts_ = reinterpret_cast<int8_t *>(
+        aom_memalign(16, sizeof(*coeff_contexts_) * MAX_TX_SQUARE));
+    ASSERT_TRUE(coeff_contexts_ != NULL);
+  }
+
+  virtual void TearDown() {
+    aom_free(coeff_contexts_ref_);
+    aom_free(coeff_contexts_);
+    libaom_test::ClearSystemState();
+  }
+
+  void GetNzMapContextsRun() {
+    const int kNumTests = 10;
+    int result = 0;
+
+    for (int is_inter = 0; is_inter < 2; ++is_inter) {
+      for (int tx_type = DCT_DCT; tx_type < TX_TYPES; ++tx_type) {
+        const TX_CLASS tx_class = tx_type_to_class[tx_type];
+        for (int tx_size = TX_4X4; tx_size < TX_SIZES_ALL; ++tx_size) {
+          const int bwl = get_txb_bwl((TX_SIZE)tx_size);
+          const int width = get_txb_wide((TX_SIZE)tx_size);
+          const int height = get_txb_high((TX_SIZE)tx_size);
+          const int real_width = tx_size_wide[tx_size];
+          const int real_height = tx_size_high[tx_size];
+          const int16_t *const scan = av1_scan_orders[tx_size][tx_type].scan;
+
+          levels_ = set_levels(levels_buf_, width);
+          for (int i = 0; i < kNumTests && !result; ++i) {
+            for (int eob = 1; eob <= width * height && !result; ++eob) {
+              InitDataWithEob(scan, bwl, eob);
+
+              av1_get_nz_map_contexts_c(levels_, scan, eob, (TX_SIZE)tx_size,
+                                        tx_class, coeff_contexts_ref_);
+              get_nz_map_contexts_func_(levels_, scan, eob, (TX_SIZE)tx_size,
+                                        tx_class, coeff_contexts_);
+
+              result = Compare(scan, eob);
+
+              EXPECT_EQ(result, 0)
+                  << " tx_class " << tx_class << " width " << real_width
+                  << " height " << real_height << " eob " << eob;
+            }
+          }
+        }
+      }
+    }
+  }
+
+  void SpeedTestGetNzMapContextsRun() {
+    const int kNumTests = 2000000000;
+    aom_usec_timer timer;
+
+    printf("Note: Only test the largest possible eob case!\n");
+    for (int tx_size = TX_4X4; tx_size < TX_SIZES_ALL; ++tx_size) {
+      const int bwl = get_txb_bwl((TX_SIZE)tx_size);
+      const int width = get_txb_wide((TX_SIZE)tx_size);
+      const int height = get_txb_high((TX_SIZE)tx_size);
+      const int real_width = tx_size_wide[tx_size];
+      const int real_height = tx_size_high[tx_size];
+      const TX_TYPE tx_type = DCT_DCT;
+      const TX_CLASS tx_class = tx_type_to_class[tx_type];
+      const int16_t *const scan = av1_scan_orders[tx_size][tx_type].scan;
+      const int eob = width * height;
+      const int numTests = kNumTests / (width * height);
+
+      levels_ = set_levels(levels_buf_, width);
+      InitDataWithEob(scan, bwl, eob);
+
+      aom_usec_timer_start(&timer);
+      for (int i = 0; i < numTests; ++i) {
+        get_nz_map_contexts_func_(levels_, scan, eob, (TX_SIZE)tx_size,
+                                  tx_class, coeff_contexts_);
+      }
+      aom_usec_timer_mark(&timer);
+
+      const int elapsed_time = static_cast<int>(aom_usec_timer_elapsed(&timer));
+      printf("get_nz_map_contexts_%2dx%2d: %7.1f ms\n", real_width, real_height,
+             elapsed_time / 1000.0);
+    }
+  }
+
+ private:
+  void InitDataWithEob(const int16_t *const scan, const int bwl,
+                       const int eob) {
+    memset(levels_buf_, 0, sizeof(levels_buf_));
+    memset(coeff_contexts_, 0, sizeof(*coeff_contexts_) * MAX_TX_SQUARE);
+
+    for (int c = 0; c < eob; ++c) {
+      levels_[get_padded_idx(scan[c], bwl)] =
+          static_cast<uint8_t>(clamp(rnd_.Rand8(), 0, INT8_MAX));
+      coeff_contexts_[scan[c]] = rnd_.Rand16() >> 1;
+    }
+
+    memcpy(coeff_contexts_ref_, coeff_contexts_,
+           sizeof(*coeff_contexts_) * MAX_TX_SQUARE);
+  }
+
+  bool Compare(const int16_t *const scan, const int eob) const {
+    bool result = false;
+    if (memcmp(coeff_contexts_, coeff_contexts_ref_,
+               sizeof(*coeff_contexts_ref_) * MAX_TX_SQUARE)) {
+      for (int i = 0; i < eob; i++) {
+        const int pos = scan[i];
+        if (coeff_contexts_ref_[pos] != coeff_contexts_[pos]) {
+          printf("coeff_contexts_[%d] diff:%6d (ref),%6d (opt)\n", pos,
+                 coeff_contexts_ref_[pos], coeff_contexts_[pos]);
+          result = true;
+          break;
+        }
+      }
+    }
+    return result;
+  }
+
+  GetNzMapContextsFunc get_nz_map_contexts_func_;
+  ACMRandom rnd_;
+  uint8_t levels_buf_[TX_PAD_2D];
+  uint8_t *levels_;
+  int8_t *coeff_contexts_ref_;
+  int8_t *coeff_contexts_;
+};
+
+TEST_P(EncodeTxbTest, GetNzMapContexts) { GetNzMapContextsRun(); }
+
+TEST_P(EncodeTxbTest, DISABLED_SpeedTestGetNzMapContexts) {
+  SpeedTestGetNzMapContextsRun();
+}
+
+#if HAVE_SSE2
+INSTANTIATE_TEST_CASE_P(SSE2, EncodeTxbTest,
+                        ::testing::Values(av1_get_nz_map_contexts_sse2));
+#endif
+
+#if HAVE_SSE4_1
+class EncodeTxbInitLevelTest : public ::testing::TestWithParam<int> {
+ public:
+  virtual ~EncodeTxbInitLevelTest() {}
+  virtual void TearDown() { libaom_test::ClearSystemState(); }
+  void RunTest(int tx_size, int is_speed);
+};
+
+void EncodeTxbInitLevelTest::RunTest(int tx_size, int is_speed) {
+  const int width = get_txb_wide((TX_SIZE)tx_size);
+  const int height = get_txb_high((TX_SIZE)tx_size);
+  tran_low_t coeff[MAX_TX_SQUARE];
+
+  uint8_t levels_buf[2][TX_PAD_2D];
+  uint8_t *const levels0 = set_levels(levels_buf[0], width);
+  uint8_t *const levels1 = set_levels(levels_buf[1], width);
+
+  ACMRandom rnd(ACMRandom::DeterministicSeed());
+  for (int i = 0; i < width * height; i++) {
+    coeff[i] = rnd.Rand15Signed() + rnd.Rand15Signed();
+  }
+  for (int i = 0; i < TX_PAD_2D; i++) {
+    levels_buf[0][i] = rnd.Rand8();
+    levels_buf[1][i] = rnd.Rand8();
+  }
+  const int run_times = is_speed ? (width * height) * 10000 : 1;
+  aom_usec_timer timer;
+  aom_usec_timer_start(&timer);
+  for (int i = 0; i < run_times; ++i) {
+    av1_txb_init_levels_c(coeff, width, height, levels0);
+  }
+  const double t1 = get_time_mark(&timer);
+  aom_usec_timer_start(&timer);
+  for (int i = 0; i < run_times; ++i) {
+    av1_txb_init_levels_sse4_1(coeff, width, height, levels1);
+  }
+  const double t2 = get_time_mark(&timer);
+  if (is_speed) {
+    printf("init %3dx%-3d:%7.2f/%7.2fns", width, height, t1, t2);
+    printf("(%3.2f)\n", t1 / t2);
+  }
+  const int stride = width + TX_PAD_HOR;
+  for (int r = 0; r < height + TX_PAD_VER; ++r) {
+    for (int c = 0; c < stride; ++c) {
+      ASSERT_EQ(levels_buf[0][c + r * stride], levels_buf[1][c + r * stride])
+          << "[" << r << "," << c << "] " << run_times << width << "x"
+          << height;
+    }
+  }
+}
+
+TEST_P(EncodeTxbInitLevelTest, match) { RunTest(GetParam(), 0); }
+TEST_P(EncodeTxbInitLevelTest, DISABLED_Speed) { RunTest(GetParam(), 1); }
+
+INSTANTIATE_TEST_CASE_P(SSE4_1, EncodeTxbInitLevelTest,
+                        ::testing::Range(0, static_cast<int>(TX_SIZES_ALL), 1));
+#endif
+
+}  // namespace