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test_vector_test.cc (5807B)


      1 /*
      2 * Copyright (c) 2018, 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 <cstdio>
     13 #include <cstdlib>
     14 #include <memory>
     15 #include <set>
     16 #include <string>
     17 #include <tuple>
     18 #include "common/tools_common.h"
     19 #include "config/aom_config.h"
     20 #include "gtest/gtest.h"
     21 #include "test/codec_factory.h"
     22 #include "test/decode_test_driver.h"
     23 #include "test/ivf_video_source.h"
     24 #include "test/md5_helper.h"
     25 #include "test/test_vectors.h"
     26 #include "test/util.h"
     27 #if CONFIG_WEBM_IO
     28 #include "test/webm_video_source.h"
     29 #endif
     30 
     31 namespace {
     32 
     33 const int kThreads = 0;
     34 const int kFileName = 1;
     35 const int kRowMT = 2;
     36 
     37 using DecodeParam = std::tuple<int, const char *, int>;
     38 
     39 class TestVectorTest : public ::libaom_test::DecoderTest,
     40                       public ::libaom_test::CodecTestWithParam<DecodeParam> {
     41 protected:
     42  TestVectorTest() : DecoderTest(GET_PARAM(0)), md5_file_(nullptr) {}
     43 
     44  ~TestVectorTest() override {
     45    if (md5_file_) fclose(md5_file_);
     46  }
     47 
     48  void OpenMD5File(const std::string &md5_file_name_) {
     49    md5_file_ = libaom_test::OpenTestDataFile(md5_file_name_);
     50    ASSERT_NE(md5_file_, nullptr)
     51        << "Md5 file open failed. Filename: " << md5_file_name_;
     52  }
     53 
     54  void PreDecodeFrameHook(const libaom_test::CompressedVideoSource &video,
     55                          libaom_test::Decoder *decoder) override {
     56    if (video.frame_number() == 0) decoder->Control(AV1D_SET_ROW_MT, row_mt_);
     57  }
     58 
     59  void DecompressedFrameHook(const aom_image_t &img,
     60                             const unsigned int frame_number) override {
     61    ASSERT_NE(md5_file_, nullptr);
     62    char expected_md5[33];
     63    char junk[128];
     64 
     65    // Read correct md5 checksums.
     66    const int res = fscanf(md5_file_, "%s  %s", expected_md5, junk);
     67    ASSERT_NE(res, EOF) << "Read md5 data failed";
     68    expected_md5[32] = '\0';
     69 
     70    ::libaom_test::MD5 md5_res;
     71 #if FORCE_HIGHBITDEPTH_DECODING
     72    const aom_img_fmt_t shifted_fmt =
     73        (aom_img_fmt)(img.fmt & ~AOM_IMG_FMT_HIGHBITDEPTH);
     74    if (img.bit_depth == 8 && shifted_fmt != img.fmt) {
     75      aom_image_t *img_shifted =
     76          aom_img_alloc(nullptr, shifted_fmt, img.d_w, img.d_h, 16);
     77      img_shifted->bit_depth = img.bit_depth;
     78      img_shifted->monochrome = img.monochrome;
     79      aom_img_downshift(img_shifted, &img, 0);
     80      md5_res.Add(img_shifted);
     81      aom_img_free(img_shifted);
     82    } else {
     83 #endif
     84      md5_res.Add(&img);
     85 #if FORCE_HIGHBITDEPTH_DECODING
     86    }
     87 #endif
     88 
     89    const char *actual_md5 = md5_res.Get();
     90    // Check md5 match.
     91    ASSERT_STREQ(expected_md5, actual_md5)
     92        << "Md5 checksums don't match: frame number = " << frame_number;
     93  }
     94 
     95  unsigned int row_mt_;
     96 
     97 private:
     98  FILE *md5_file_;
     99 };
    100 
    101 // This test runs through the whole set of test vectors, and decodes them.
    102 // The md5 checksums are computed for each frame in the video file. If md5
    103 // checksums match the correct md5 data, then the test is passed. Otherwise,
    104 // the test failed.
    105 TEST_P(TestVectorTest, MD5Match) {
    106  const DecodeParam input = GET_PARAM(1);
    107  const std::string filename = std::get<kFileName>(input);
    108  aom_codec_flags_t flags = 0;
    109  aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
    110  char str[256];
    111 
    112  cfg.threads = std::get<kThreads>(input);
    113  row_mt_ = std::get<kRowMT>(input);
    114 
    115  snprintf(str, sizeof(str) / sizeof(str[0]) - 1, "file: %s threads: %d",
    116           filename.c_str(), cfg.threads);
    117  SCOPED_TRACE(str);
    118 
    119  // Open compressed video file.
    120  std::unique_ptr<libaom_test::CompressedVideoSource> video;
    121  if (filename.substr(filename.length() - 3, 3) == "ivf") {
    122    video.reset(new libaom_test::IVFVideoSource(filename));
    123  } else if (filename.substr(filename.length() - 4, 4) == "webm" ||
    124             filename.substr(filename.length() - 3, 3) == "mkv") {
    125 #if CONFIG_WEBM_IO
    126    video.reset(new libaom_test::WebMVideoSource(filename));
    127 #else
    128    fprintf(stderr, "WebM IO is disabled, skipping test vector %s\n",
    129            filename.c_str());
    130    return;
    131 #endif
    132  }
    133  ASSERT_NE(video, nullptr);
    134  video->Init();
    135 
    136  // Construct md5 file name.
    137  const std::string md5_filename = filename + ".md5";
    138  OpenMD5File(md5_filename);
    139 
    140  // Set decode config and flags.
    141  cfg.allow_lowbitdepth = !FORCE_HIGHBITDEPTH_DECODING;
    142  set_cfg(cfg);
    143  set_flags(flags);
    144 
    145  // Decode frame, and check the md5 matching.
    146  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get(), cfg));
    147 }
    148 
    149 #if CONFIG_AV1_DECODER
    150 AV1_INSTANTIATE_TEST_SUITE(
    151    TestVectorTest,
    152    ::testing::Combine(::testing::Values(1),  // Single thread.
    153                       ::testing::ValuesIn(libaom_test::kAV1TestVectors,
    154                                           libaom_test::kAV1TestVectors +
    155                                               libaom_test::kNumAV1TestVectors),
    156                       ::testing::Values(0)));
    157 
    158 // Test AV1 decode in with different numbers of threads.
    159 INSTANTIATE_TEST_SUITE_P(
    160    AV1MultiThreaded, TestVectorTest,
    161    ::testing::Combine(
    162        ::testing::Values(
    163            static_cast<const libaom_test::CodecFactory *>(&libaom_test::kAV1)),
    164        ::testing::Combine(
    165            ::testing::Range(2, 9),  // With 2 ~ 8 threads.
    166            ::testing::ValuesIn(libaom_test::kAV1TestVectors,
    167                                libaom_test::kAV1TestVectors +
    168                                    libaom_test::kNumAV1TestVectors),
    169            ::testing::Range(0, 2))));
    170 
    171 #endif  // CONFIG_AV1_DECODER
    172 
    173 }  // namespace