third_party/aom/test/av1_ext_tile_test.cc

   1 /*
   2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
   3  *
   4  * This source code is subject to the terms of the BSD 2 Clause License and
   5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   6  * was not distributed with this source code in the LICENSE file, you can
   7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   8  * Media Patent License 1.0 was not distributed with this source code in the
   9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  10  */
  11
  12 #include <assert.h>
  13 #include <string>
  14 #include <vector>
  15 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
  16 #include "test/codec_factory.h"
  17 #include "test/encode_test_driver.h"
  18 #include "test/i420_video_source.h"
  19 #include "test/md5_helper.h"
  20 #include "test/util.h"
  21
  22 namespace {
  23 // The number of frames to be encoded/decoded
  24 const int kLimit = 8;
  25 // Skip 1 frame to check the frame decoding independency.
  26 const int kSkip = 5;
  27 const int kTileSize = 1;
  28 const int kTIleSizeInPixels = (kTileSize << 6);
  29 // Fake width and height so that they can be multiples of the tile size.
  30 const int kImgWidth = 704;
  31 const int kImgHeight = 576;
  32
  33 // This test tests large scale tile coding case. Non-large-scale tile coding
  34 // is tested by the tile_independence test.
  35 class AV1ExtTileTest
  36     : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
  37       public ::libaom_test::EncoderTest {
  38  protected:
  39   AV1ExtTileTest()
  40       : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
  41         set_cpu_used_(GET_PARAM(2)) {
  42     init_flags_ = AOM_CODEC_USE_PSNR;
  43     aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
  44     cfg.w = kImgWidth;
  45     cfg.h = kImgHeight;
  46     cfg.allow_lowbitdepth = 1;
  47
  48     decoder_ = codec_->CreateDecoder(cfg, 0);
  49     decoder_->Control(AV1_SET_TILE_MODE, 1);
  50     decoder_->Control(AV1D_EXT_TILE_DEBUG, 1);
  51     decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
  52     decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
  53
  54     // Allocate buffer to store tile image.
  55     aom_img_alloc(&tile_img_, AOM_IMG_FMT_I420, kImgWidth, kImgHeight, 32);
  56
  57     md5_.clear();
  58     tile_md5_.clear();
  59   }
  60
  61   virtual ~AV1ExtTileTest() {
  62     aom_img_free(&tile_img_);
  63     delete decoder_;
  64   }
  65
  66   virtual void SetUp() {
  67     InitializeConfig();
  68     SetMode(encoding_mode_);
  69
  70     cfg_.g_lag_in_frames = 0;
  71     cfg_.rc_end_usage = AOM_VBR;
  72     cfg_.g_error_resilient = 1;
  73
  74     cfg_.rc_max_quantizer = 56;
  75     cfg_.rc_min_quantizer = 0;
  76   }
  77
  78   virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
  79                                   ::libaom_test::Encoder *encoder) {
  80     if (video->frame() == 0) {
  81       // Encode setting
  82       encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
  83       encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
  84       encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
  85
  86       // TODO(yunqingwang): test single_tile_decoding = 0.
  87       encoder->Control(AV1E_SET_SINGLE_TILE_DECODING, 1);
  88       // Always use 64x64 max partition.
  89       encoder->Control(AV1E_SET_SUPERBLOCK_SIZE, AOM_SUPERBLOCK_SIZE_64X64);
  90       // Set tile_columns and tile_rows to MAX values, which guarantees the tile
  91       // size of 64 x 64 pixels(i.e. 1 SB) for <= 4k resolution.
  92       encoder->Control(AV1E_SET_TILE_COLUMNS, 6);
  93       encoder->Control(AV1E_SET_TILE_ROWS, 6);
  94     }
  95
  96     if (video->frame() == 1) {
  97       frame_flags_ =
  98           AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
  99     }
 100   }
 101
 102   virtual void DecompressedFrameHook(const aom_image_t &img,
 103                                      aom_codec_pts_t pts) {
 104     // Skip 1 already decoded frame to be consistent with the decoder in this
 105     // test.
 106     if (pts == (aom_codec_pts_t)kSkip) return;
 107
 108     // Calculate MD5 as the reference.
 109     ::libaom_test::MD5 md5_res;
 110     md5_res.Add(&img);
 111     md5_.push_back(md5_res.Get());
 112   }
 113
 114   virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
 115     // Skip decoding 1 frame.
 116     if (pkt->data.frame.pts == (aom_codec_pts_t)kSkip) return;
 117
 118     bool IsLastFrame = (pkt->data.frame.pts == (aom_codec_pts_t)(kLimit - 1));
 119
 120     // Decode the first (kLimit - 1) frames as whole frame, and decode the last
 121     // frame in single tiles.
 122     for (int r = 0; r < kImgHeight / kTIleSizeInPixels; ++r) {
 123       for (int c = 0; c < kImgWidth / kTIleSizeInPixels; ++c) {
 124         if (!IsLastFrame) {
 125           decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
 126           decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
 127         } else {
 128           decoder_->Control(AV1_SET_DECODE_TILE_ROW, r);
 129           decoder_->Control(AV1_SET_DECODE_TILE_COL, c);
 130         }
 131
 132         const aom_codec_err_t res = decoder_->DecodeFrame(
 133             reinterpret_cast<uint8_t *>(pkt->data.frame.buf),
 134             pkt->data.frame.sz);
 135         if (res != AOM_CODEC_OK) {
 136           abort_ = true;
 137           ASSERT_EQ(AOM_CODEC_OK, res);
 138         }
 139         const aom_image_t *img = decoder_->GetDxData().Next();
 140
 141         if (!IsLastFrame) {
 142           if (img) {
 143             ::libaom_test::MD5 md5_res;
 144             md5_res.Add(img);
 145             tile_md5_.push_back(md5_res.Get());
 146           }
 147           break;
 148         }
 149
 150         const int kMaxMBPlane = 3;
 151         for (int plane = 0; plane < kMaxMBPlane; ++plane) {
 152           const int shift = (plane == 0) ? 0 : 1;
 153           int tile_height = kTIleSizeInPixels >> shift;
 154           int tile_width = kTIleSizeInPixels >> shift;
 155
 156           for (int tr = 0; tr < tile_height; ++tr) {
 157             memcpy(tile_img_.planes[plane] +
 158                        tile_img_.stride[plane] * (r * tile_height + tr) +
 159                        c * tile_width,
 160                    img->planes[plane] + img->stride[plane] * tr, tile_width);
 161           }
 162         }
 163       }
 164
 165       if (!IsLastFrame) break;
 166     }
 167
 168     if (IsLastFrame) {
 169       ::libaom_test::MD5 md5_res;
 170       md5_res.Add(&tile_img_);
 171       tile_md5_.push_back(md5_res.Get());
 172     }
 173   }
 174
 175   void TestRoundTrip() {
 176     ::libaom_test::I420VideoSource video(
 177         "hantro_collage_w352h288.yuv", kImgWidth, kImgHeight, 30, 1, 0, kLimit);
 178     cfg_.rc_target_bitrate = 500;
 179     cfg_.g_error_resilient = AOM_ERROR_RESILIENT_DEFAULT;
 180     cfg_.large_scale_tile = 1;
 181     cfg_.g_lag_in_frames = 0;
 182     cfg_.g_threads = 1;
 183
 184     // Tile encoding
 185     init_flags_ = AOM_CODEC_USE_PSNR;
 186     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 187
 188     // Compare to check if two vectors are equal.
 189     ASSERT_EQ(md5_, tile_md5_);
 190   }
 191
 192   ::libaom_test::TestMode encoding_mode_;
 193   int set_cpu_used_;
 194   ::libaom_test::Decoder *decoder_;
 195   aom_image_t tile_img_;
 196   std::vector<std::string> md5_;
 197   std::vector<std::string> tile_md5_;
 198 };
 199
 200 TEST_P(AV1ExtTileTest, DecoderResultTest) { TestRoundTrip(); }
 201
 202 AV1_INSTANTIATE_TEST_CASE(
 203     // Now only test 2-pass mode.
 204     AV1ExtTileTest, ::testing::Values(::libaom_test::kTwoPassGood),
 205     ::testing::Range(1, 4));
 206
 207 class AV1ExtTileTestLarge : public AV1ExtTileTest {};
 208
 209 TEST_P(AV1ExtTileTestLarge, DecoderResultTest) { TestRoundTrip(); }
 210
 211 AV1_INSTANTIATE_TEST_CASE(
 212     // Now only test 2-pass mode.
 213     AV1ExtTileTestLarge, ::testing::Values(::libaom_test::kTwoPassGood),
 214     ::testing::Range(0, 1));
 215 }  // namespace