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diff --git a/third_party/aom/test/decode_multithreaded_test.cc b/third_party/aom/test/decode_multithreaded_test.cc
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+/*
+ * 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);
+ }
+ }
+ }
+
+ ~AV1DecodeMultiThreadedTest() override {
+ delete single_thread_dec_;
+ for (int i = 0; i < kNumMultiThreadDecoders; ++i)
+ delete multi_thread_dec_[i];
+ }
+
+ void SetUp() override { InitializeConfig(libaom_test::kTwoPassGood); }
+
+ void PreEncodeFrameHook(libaom_test::VideoSource *video,
+ libaom_test::Encoder *encoder) override {
+ if (video->frame() == 0) {
+ 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);
+ }
+
+ void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
+ 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, 2);
+ 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_SUITE(AV1DecodeMultiThreadedTest, ::testing::Values(1, 2),
+ ::testing::Values(1, 2), ::testing::Values(1),
+ ::testing::Values(3), ::testing::Values(0, 1));
+AV1_INSTANTIATE_TEST_SUITE(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_SUITE(AV1DecodeMultiThreadedLSTestLarge,
+ ::testing::Values(6), ::testing::Values(6),
+ ::testing::Values(1), ::testing::Values(0, 3),
+ ::testing::Values(0, 1));
+
+} // namespace