text: /*
   * 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 large scale tile coding case. Non-large-scale tile coding
  // is tested by the tile_independence test.
  class AV1ExtTileTest
      : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
        public ::libaom_test::EncoderTest {
   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;
      cfg.allow_lowbitdepth = 1;
  
      decoder_ = codec_->CreateDecoder(cfg, 0);
      decoder_->Control(AV1_SET_TILE_MODE, 1);
      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);
        // TODO(yunqingwang): test single_tile_decoding = 0.
        encoder->Control(AV1E_SET_SINGLE_TILE_DECODING, 1);
        // Always use 64x64 max partition.
        encoder->Control(AV1E_SET_SUPERBLOCK_SIZE, AOM_SUPERBLOCK_SIZE_64X64);
      }
  
      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());
      }
    }
  
    void TestRoundTrip() {
      ::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_.large_scale_tile = 1;
      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_);
    }
  
    ::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, DISABLED_DecoderResultTest) { TestRoundTrip(); }
  
  AV1_INSTANTIATE_TEST_CASE(
      // Now only test 2-pass mode.
      AV1ExtTileTest, ::testing::Values(::libaom_test::kTwoPassGood),
      ::testing::Range(1, 4));
  
  class AV1ExtTileTestLarge : public AV1ExtTileTest {};
  
  TEST_P(AV1ExtTileTestLarge, DISABLED_DecoderResultTest) { TestRoundTrip(); }
  
  AV1_INSTANTIATE_TEST_CASE(
      // Now only test 2-pass mode.
      AV1ExtTileTestLarge, ::testing::Values(::libaom_test::kTwoPassGood),
      ::testing::Range(0, 1));
  }  // namespace
  