1 files changed, 185 insertions, 0 deletions
diff --git a/third_party/aom/test/decode_multithreaded_test.cc b/third_party/aom/test/decode_multithreaded_test.cc
new file mode 100644
index 0000000000..cea1d144f1
--- /dev/null
+++ b/third_party/aom/test/decode_multithreaded_test.cc
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2018, 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 <cstdio>
+#include <cstdlib>
+#include <string>
+
+#include "aom_mem/aom_mem.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/md5_helper.h"
+#include "test/util.h"
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+namespace {
+
+static const int kNumMultiThreadDecoders = 3;
+
+class AV1DecodeMultiThreadedTest
+    : public ::libaom_test::CodecTestWith5Params<int, int, int, int, int>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  AV1DecodeMultiThreadedTest()
+      : EncoderTest(GET_PARAM(0)), md5_single_thread_(), md5_multi_thread_(),
+        n_tile_cols_(GET_PARAM(1)), n_tile_rows_(GET_PARAM(2)),
+        n_tile_groups_(GET_PARAM(3)), set_cpu_used_(GET_PARAM(4)),
+        row_mt_(GET_PARAM(5)) {
+    init_flags_ = AOM_CODEC_USE_PSNR;
+    aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
+    cfg.w = 704;
+    cfg.h = 576;
+    cfg.threads = 1;
+    cfg.allow_lowbitdepth = 1;
+    single_thread_dec_ = codec_->CreateDecoder(cfg, 0);
+
+    // Test cfg.threads == powers of 2.
+    for (int i = 0; i < kNumMultiThreadDecoders; ++i) {
+      cfg.threads <<= 1;
+      multi_thread_dec_[i] = codec_->CreateDecoder(cfg, 0);
+      multi_thread_dec_[i]->Control(AV1D_SET_ROW_MT, row_mt_);
+    }
+
+    if (single_thread_dec_->IsAV1()) {
+      single_thread_dec_->Control(AV1D_EXT_TILE_DEBUG, 1);
+      single_thread_dec_->Control(AV1_SET_DECODE_TILE_ROW, -1);
+      single_thread_dec_->Control(AV1_SET_DECODE_TILE_COL, -1);
+    }
+    for (int i = 0; i < kNumMultiThreadDecoders; ++i) {
+      if (multi_thread_dec_[i]->IsAV1()) {
+        multi_thread_dec_[i]->Control(AV1D_EXT_TILE_DEBUG, 1);
+        multi_thread_dec_[i]->Control(AV1_SET_DECODE_TILE_ROW, -1);
+        multi_thread_dec_[i]->Control(AV1_SET_DECODE_TILE_COL, -1);
+      }
+    }
+  }
+
+  virtual ~AV1DecodeMultiThreadedTest() {
+    delete single_thread_dec_;
+    for (int i = 0; i < kNumMultiThreadDecoders; ++i)
+      delete multi_thread_dec_[i];
+  }
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(libaom_test::kTwoPassGood);
+  }
+
+  virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
+                                  libaom_test::Encoder *encoder) {
+    if (video->frame() == 1) {
+      encoder->Control(AV1E_SET_TILE_COLUMNS, n_tile_cols_);
+      encoder->Control(AV1E_SET_TILE_ROWS, n_tile_rows_);
+      encoder->Control(AV1E_SET_NUM_TG, n_tile_groups_);
+      encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
+    }
+  }
+
+  void UpdateMD5(::libaom_test::Decoder *dec, const aom_codec_cx_pkt_t *pkt,
+                 ::libaom_test::MD5 *md5) {
+    const aom_codec_err_t res = dec->DecodeFrame(
+        reinterpret_cast<uint8_t *>(pkt->data.frame.buf), pkt->data.frame.sz);
+    if (res != AOM_CODEC_OK) {
+      abort_ = true;
+      ASSERT_EQ(AOM_CODEC_OK, res);
+    }
+    const aom_image_t *img = dec->GetDxData().Next();
+    md5->Add(img);
+  }
+
+  virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
+    UpdateMD5(single_thread_dec_, pkt, &md5_single_thread_);
+
+    for (int i = 0; i < kNumMultiThreadDecoders; ++i)
+      UpdateMD5(multi_thread_dec_[i], pkt, &md5_multi_thread_[i]);
+  }
+
+  void DoTest() {
+    const aom_rational timebase = { 33333333, 1000000000 };
+    cfg_.g_timebase = timebase;
+    cfg_.rc_target_bitrate = 500;
+    cfg_.g_lag_in_frames = 12;
+    cfg_.rc_end_usage = AOM_VBR;
+
+    libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 704, 576,
+                                       timebase.den, timebase.num, 0, 5);
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+    const char *md5_single_thread_str = md5_single_thread_.Get();
+
+    for (int i = 0; i < kNumMultiThreadDecoders; ++i) {
+      const char *md5_multi_thread_str = md5_multi_thread_[i].Get();
+      ASSERT_STREQ(md5_single_thread_str, md5_multi_thread_str);
+    }
+  }
+
+  ::libaom_test::MD5 md5_single_thread_;
+  ::libaom_test::MD5 md5_multi_thread_[kNumMultiThreadDecoders];
+  ::libaom_test::Decoder *single_thread_dec_;
+  ::libaom_test::Decoder *multi_thread_dec_[kNumMultiThreadDecoders];
+
+ private:
+  int n_tile_cols_;
+  int n_tile_rows_;
+  int n_tile_groups_;
+  int set_cpu_used_;
+  int row_mt_;
+};
+
+// run an encode and do the decode both in single thread
+// and multi thread. Ensure that the MD5 of the output in both cases
+// is identical. If so, the test passes.
+TEST_P(AV1DecodeMultiThreadedTest, MD5Match) {
+  cfg_.large_scale_tile = 0;
+  single_thread_dec_->Control(AV1_SET_TILE_MODE, 0);
+  for (int i = 0; i < kNumMultiThreadDecoders; ++i)
+    multi_thread_dec_[i]->Control(AV1_SET_TILE_MODE, 0);
+  DoTest();
+}
+
+class AV1DecodeMultiThreadedTestLarge : public AV1DecodeMultiThreadedTest {};
+
+TEST_P(AV1DecodeMultiThreadedTestLarge, MD5Match) {
+  cfg_.large_scale_tile = 0;
+  single_thread_dec_->Control(AV1_SET_TILE_MODE, 0);
+  for (int i = 0; i < kNumMultiThreadDecoders; ++i)
+    multi_thread_dec_[i]->Control(AV1_SET_TILE_MODE, 0);
+  DoTest();
+}
+
+// TODO(ranjit): More tests have to be added using pre-generated MD5.
+AV1_INSTANTIATE_TEST_CASE(AV1DecodeMultiThreadedTest, ::testing::Values(1, 2),
+                          ::testing::Values(1, 2), ::testing::Values(1),
+                          ::testing::Values(3), ::testing::Values(0, 1));
+AV1_INSTANTIATE_TEST_CASE(AV1DecodeMultiThreadedTestLarge,
+                          ::testing::Values(0, 1, 2, 6),
+                          ::testing::Values(0, 1, 2, 6),
+                          ::testing::Values(1, 4), ::testing::Values(0),
+                          ::testing::Values(0, 1));
+
+class AV1DecodeMultiThreadedLSTestLarge
+    : public AV1DecodeMultiThreadedTestLarge {};
+
+TEST_P(AV1DecodeMultiThreadedLSTestLarge, MD5Match) {
+  cfg_.large_scale_tile = 1;
+  single_thread_dec_->Control(AV1_SET_TILE_MODE, 1);
+  for (int i = 0; i < kNumMultiThreadDecoders; ++i)
+    multi_thread_dec_[i]->Control(AV1_SET_TILE_MODE, 1);
+  DoTest();
+}
+
+AV1_INSTANTIATE_TEST_CASE(AV1DecodeMultiThreadedLSTestLarge,
+                          ::testing::Values(6), ::testing::Values(6),
+                          ::testing::Values(1), ::testing::Values(0, 3),
+                          ::testing::Values(0, 1));
+
+}  // namespace