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diff --git a/third_party/aom/test/av1_ext_tile_test.cc b/third_party/aom/test/av1_ext_tile_test.cc
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+/*
+ * Copyright (c) 2016, 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 <assert.h>
+#include <string>
+#include <vector>
+#include "third_party/googletest/src/googletest/include/gtest/gtest.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"
+
+namespace {
+// The number of frames to be encoded/decoded
+const int kLimit = 8;
+// Skip 1 frame to check the frame decoding independency.
+const int kSkip = 5;
+const int kTileSize = 1;
+const int kTIleSizeInPixels = (kTileSize << 6);
+// Fake width and height so that they can be multiples of the tile size.
+const int kImgWidth = 704;
+const int kImgHeight = 576;
+
+// This test tests "tile_encoding_mode = TILE_VR" case. The TILE_NORMAL case is
+// tested by the tile_independence test.
+class AV1ExtTileTest
+ : public ::libaom_test::EncoderTest,
+ public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int> {
+ protected:
+ AV1ExtTileTest()
+ : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
+ set_cpu_used_(GET_PARAM(2)) {
+ init_flags_ = AOM_CODEC_USE_PSNR;
+ aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
+ cfg.w = kImgWidth;
+ cfg.h = kImgHeight;
+
+ decoder_ = codec_->CreateDecoder(cfg, 0);
+ decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
+ decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
+
+ // Allocate buffer to store tile image.
+ aom_img_alloc(&tile_img_, AOM_IMG_FMT_I420, kImgWidth, kImgHeight, 32);
+
+ md5_.clear();
+ tile_md5_.clear();
+ }
+
+ virtual ~AV1ExtTileTest() {
+ aom_img_free(&tile_img_);
+ delete decoder_;
+ }
+
+ virtual void SetUp() {
+ InitializeConfig();
+ SetMode(encoding_mode_);
+
+ cfg_.g_lag_in_frames = 0;
+ cfg_.rc_end_usage = AOM_VBR;
+ cfg_.g_error_resilient = 1;
+
+ cfg_.rc_max_quantizer = 56;
+ cfg_.rc_min_quantizer = 0;
+ }
+
+ virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+ ::libaom_test::Encoder *encoder) {
+ if (video->frame() == 0) {
+ // Encode setting
+ encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
+ encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
+ encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
+
+ // The tile size is 64x64.
+ encoder->Control(AV1E_SET_TILE_COLUMNS, kTileSize);
+ encoder->Control(AV1E_SET_TILE_ROWS, kTileSize);
+ encoder->Control(AV1E_SET_TILE_ENCODING_MODE, 1); // TILE_VR
+#if CONFIG_EXT_PARTITION
+ // Always use 64x64 max partition.
+ encoder->Control(AV1E_SET_SUPERBLOCK_SIZE, AOM_SUPERBLOCK_SIZE_64X64);
+#endif
+ }
+
+ if (video->frame() == 1) {
+ frame_flags_ =
+ AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
+ }
+ }
+
+ virtual void DecompressedFrameHook(const aom_image_t &img,
+ aom_codec_pts_t pts) {
+ // Skip 1 already decoded frame to be consistent with the decoder in this
+ // test.
+ if (pts == (aom_codec_pts_t)kSkip) return;
+
+ // Calculate MD5 as the reference.
+ ::libaom_test::MD5 md5_res;
+ md5_res.Add(&img);
+ md5_.push_back(md5_res.Get());
+ }
+
+ virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
+ // Skip decoding 1 frame.
+ if (pkt->data.frame.pts == (aom_codec_pts_t)kSkip) return;
+
+ bool IsLastFrame = (pkt->data.frame.pts == (aom_codec_pts_t)(kLimit - 1));
+
+ // Decode the first (kLimit - 1) frames as whole frame, and decode the last
+ // frame in single tiles.
+ for (int r = 0; r < kImgHeight / kTIleSizeInPixels; ++r) {
+ for (int c = 0; c < kImgWidth / kTIleSizeInPixels; ++c) {
+ if (!IsLastFrame) {
+ decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
+ decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
+ } else {
+ decoder_->Control(AV1_SET_DECODE_TILE_ROW, r);
+ decoder_->Control(AV1_SET_DECODE_TILE_COL, c);
+ }
+
+ const aom_codec_err_t res = decoder_->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 = decoder_->GetDxData().Next();
+
+ if (!IsLastFrame) {
+ if (img) {
+ ::libaom_test::MD5 md5_res;
+ md5_res.Add(img);
+ tile_md5_.push_back(md5_res.Get());
+ }
+ break;
+ }
+
+ const int kMaxMBPlane = 3;
+ for (int plane = 0; plane < kMaxMBPlane; ++plane) {
+ const int shift = (plane == 0) ? 0 : 1;
+ int tile_height = kTIleSizeInPixels >> shift;
+ int tile_width = kTIleSizeInPixels >> shift;
+
+ for (int tr = 0; tr < tile_height; ++tr) {
+ memcpy(tile_img_.planes[plane] +
+ tile_img_.stride[plane] * (r * tile_height + tr) +
+ c * tile_width,
+ img->planes[plane] + img->stride[plane] * tr, tile_width);
+ }
+ }
+ }
+
+ if (!IsLastFrame) break;
+ }
+
+ if (IsLastFrame) {
+ ::libaom_test::MD5 md5_res;
+ md5_res.Add(&tile_img_);
+ tile_md5_.push_back(md5_res.Get());
+ }
+ }
+
+ ::libaom_test::TestMode encoding_mode_;
+ int set_cpu_used_;
+ ::libaom_test::Decoder *decoder_;
+ aom_image_t tile_img_;
+ std::vector<std::string> md5_;
+ std::vector<std::string> tile_md5_;
+};
+
+TEST_P(AV1ExtTileTest, DecoderResultTest) {
+ ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", kImgWidth,
+ kImgHeight, 30, 1, 0, kLimit);
+ cfg_.rc_target_bitrate = 500;
+ cfg_.g_error_resilient = AOM_ERROR_RESILIENT_DEFAULT;
+ cfg_.g_lag_in_frames = 0;
+ cfg_.g_threads = 1;
+
+ // Tile encoding
+ init_flags_ = AOM_CODEC_USE_PSNR;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+ // Compare to check if two vectors are equal.
+ ASSERT_EQ(md5_, tile_md5_);
+}
+
+AV1_INSTANTIATE_TEST_CASE(
+ // Now only test 2-pass mode.
+ AV1ExtTileTest, ::testing::Values(::libaom_test::kTwoPassGood),
+ ::testing::Range(0, 4));
+} // namespace