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(AV1_SET_DECODE_TILE_ROW, -1);
  51     decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
  52
  53     // Allocate buffer to store tile image.
  54     aom_img_alloc(&tile_img_, AOM_IMG_FMT_I420, kImgWidth, kImgHeight, 32);
  55
  56     md5_.clear();
  57     tile_md5_.clear();
  58   }
  59
  60   virtual ~AV1ExtTileTest() {
  61     aom_img_free(&tile_img_);
  62     delete decoder_;
  63   }
  64
  65   virtual void SetUp() {
  66     InitializeConfig();
  67     SetMode(encoding_mode_);
  68
  69     cfg_.g_lag_in_frames = 0;
  70     cfg_.rc_end_usage = AOM_VBR;
  71     cfg_.g_error_resilient = 1;
  72
  73     cfg_.rc_max_quantizer = 56;
  74     cfg_.rc_min_quantizer = 0;
  75   }
  76
  77   virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
  78                                   ::libaom_test::Encoder *encoder) {
  79     if (video->frame() == 0) {
  80       // Encode setting
  81       encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
  82       encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
  83       encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
  84
  85       // The tile size is 64x64.
  86       encoder->Control(AV1E_SET_TILE_COLUMNS, kTileSize);
  87       encoder->Control(AV1E_SET_TILE_ROWS, kTileSize);
  88       // TODO(yunqingwang): test single_tile_decoding = 0.
  89       encoder->Control(AV1E_SET_SINGLE_TILE_DECODING, 1);
  90       // Always use 64x64 max partition.
  91       encoder->Control(AV1E_SET_SUPERBLOCK_SIZE, AOM_SUPERBLOCK_SIZE_64X64);
  92     }
  93
  94     if (video->frame() == 1) {
  95       frame_flags_ =
  96           AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
  97     }
  98   }
  99
 100   virtual void DecompressedFrameHook(const aom_image_t &img,
 101                                      aom_codec_pts_t pts) {
 102     // Skip 1 already decoded frame to be consistent with the decoder in this
 103     // test.
 104     if (pts == (aom_codec_pts_t)kSkip) return;
 105
 106     // Calculate MD5 as the reference.
 107     ::libaom_test::MD5 md5_res;
 108     md5_res.Add(&img);
 109     md5_.push_back(md5_res.Get());
 110   }
 111
 112   virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
 113     // Skip decoding 1 frame.
 114     if (pkt->data.frame.pts == (aom_codec_pts_t)kSkip) return;
 115
 116     bool IsLastFrame = (pkt->data.frame.pts == (aom_codec_pts_t)(kLimit - 1));
 117
 118     // Decode the first (kLimit - 1) frames as whole frame, and decode the last
 119     // frame in single tiles.
 120     for (int r = 0; r < kImgHeight / kTIleSizeInPixels; ++r) {
 121       for (int c = 0; c < kImgWidth / kTIleSizeInPixels; ++c) {
 122         if (!IsLastFrame) {
 123           decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
 124           decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
 125         } else {
 126           decoder_->Control(AV1_SET_DECODE_TILE_ROW, r);
 127           decoder_->Control(AV1_SET_DECODE_TILE_COL, c);
 128         }
 129
 130         const aom_codec_err_t res = decoder_->DecodeFrame(
 131             reinterpret_cast<uint8_t *>(pkt->data.frame.buf),
 132             pkt->data.frame.sz);
 133         if (res != AOM_CODEC_OK) {
 134           abort_ = true;
 135           ASSERT_EQ(AOM_CODEC_OK, res);
 136         }
 137         const aom_image_t *img = decoder_->GetDxData().Next();
 138
 139         if (!IsLastFrame) {
 140           if (img) {
 141             ::libaom_test::MD5 md5_res;
 142             md5_res.Add(img);
 143             tile_md5_.push_back(md5_res.Get());
 144           }
 145           break;
 146         }
 147
 148         const int kMaxMBPlane = 3;
 149         for (int plane = 0; plane < kMaxMBPlane; ++plane) {
 150           const int shift = (plane == 0) ? 0 : 1;
 151           int tile_height = kTIleSizeInPixels >> shift;
 152           int tile_width = kTIleSizeInPixels >> shift;
 153
 154           for (int tr = 0; tr < tile_height; ++tr) {
 155             memcpy(tile_img_.planes[plane] +
 156                        tile_img_.stride[plane] * (r * tile_height + tr) +
 157                        c * tile_width,
 158                    img->planes[plane] + img->stride[plane] * tr, tile_width);
 159           }
 160         }
 161       }
 162
 163       if (!IsLastFrame) break;
 164     }
 165
 166     if (IsLastFrame) {
 167       ::libaom_test::MD5 md5_res;
 168       md5_res.Add(&tile_img_);
 169       tile_md5_.push_back(md5_res.Get());
 170     }
 171   }
 172
 173   void TestRoundTrip() {
 174     ::libaom_test::I420VideoSource video(
 175         "hantro_collage_w352h288.yuv", kImgWidth, kImgHeight, 30, 1, 0, kLimit);
 176     cfg_.rc_target_bitrate = 500;
 177     cfg_.g_error_resilient = AOM_ERROR_RESILIENT_DEFAULT;
 178     cfg_.large_scale_tile = 1;
 179     cfg_.g_lag_in_frames = 0;
 180     cfg_.g_threads = 1;
 181
 182     // Tile encoding
 183     init_flags_ = AOM_CODEC_USE_PSNR;
 184     ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 185
 186     // Compare to check if two vectors are equal.
 187     ASSERT_EQ(md5_, tile_md5_);
 188   }
 189
 190   ::libaom_test::TestMode encoding_mode_;
 191   int set_cpu_used_;
 192   ::libaom_test::Decoder *decoder_;
 193   aom_image_t tile_img_;
 194   std::vector<std::string> md5_;
 195   std::vector<std::string> tile_md5_;
 196 };
 197
 198 TEST_P(AV1ExtTileTest, DecoderResultTest) { TestRoundTrip(); }
 199
 200 AV1_INSTANTIATE_TEST_CASE(
 201     // Now only test 2-pass mode.
 202     AV1ExtTileTest, ::testing::Values(::libaom_test::kTwoPassGood),
 203     ::testing::Range(1, 4));
 204
 205 class AV1ExtTileTestLarge : public AV1ExtTileTest {};
 206
 207 TEST_P(AV1ExtTileTestLarge, DecoderResultTest) { TestRoundTrip(); }
 208
 209 AV1_INSTANTIATE_TEST_CASE(
 210     // Now only test 2-pass mode.
 211     AV1ExtTileTestLarge, ::testing::Values(::libaom_test::kTwoPassGood),
 212     ::testing::Range(0, 1));
 213 }  // namespace