test_vector_test.cc

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/*

 * Copyright (c) 2018, 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 <cstdio>

#include <cstdlib>

#include <memory>

#include <set>

#include <string>

#include <tuple>

#include "common/tools_common.h"

#include "config/aom_config.h"

#include "gtest/gtest.h"

#include "test/codec_factory.h"

#include "test/decode_test_driver.h"

#include "test/ivf_video_source.h"

#include "test/md5_helper.h"

#include "test/test_vectors.h"

#include "test/util.h"

#if CONFIG_WEBM_IO

#include "test/webm_video_source.h"

#endif

namespace {

const int kThreads = 0;

const int kFileName = 1;

const int kRowMT = 2;

typedef std::tuple<int, const char *, int> DecodeParam;

class TestVectorTest : public ::libaom_test::DecoderTest,

                       public ::libaom_test::CodecTestWithParam<DecodeParam> {

 protected:

  TestVectorTest() : DecoderTest(GET_PARAM(0)), md5_file_(nullptr) {}

  ~TestVectorTest() override {

    if (md5_file_) fclose(md5_file_);

  void OpenMD5File(const std::string &md5_file_name_) {

    md5_file_ = libaom_test::OpenTestDataFile(md5_file_name_);

    ASSERT_NE(md5_file_, nullptr)

        << "Md5 file open failed. Filename: " << md5_file_name_;

  void PreDecodeFrameHook(const libaom_test::CompressedVideoSource &video,

                          libaom_test::Decoder *decoder) override {

    if (video.frame_number() == 0) decoder->Control(AV1D_SET_ROW_MT, row_mt_);

  void DecompressedFrameHook(const aom_image_t &img,

                             const unsigned int frame_number) override {

    ASSERT_NE(md5_file_, nullptr);

    char expected_md5[33];

    char junk[128];

    // Read correct md5 checksums.

    const int res = fscanf(md5_file_, "%s  %s", expected_md5, junk);

    ASSERT_NE(res, EOF) << "Read md5 data failed";

    expected_md5[32] = '\0';

    ::libaom_test::MD5 md5_res;

#if FORCE_HIGHBITDEPTH_DECODING

    const aom_img_fmt_t shifted_fmt =

        (aom_img_fmt)(img.fmt & ~AOM_IMG_FMT_HIGHBITDEPTH);

    if (img.bit_depth == 8 && shifted_fmt != img.fmt) {

      aom_image_t *img_shifted =

          aom_img_alloc(nullptr, shifted_fmt, img.d_w, img.d_h, 16);

      img_shifted->bit_depth = img.bit_depth;

      img_shifted->monochrome = img.monochrome;

      aom_img_downshift(img_shifted, &img, 0);

      md5_res.Add(img_shifted);

      aom_img_free(img_shifted);

    } else {

#endif

      md5_res.Add(&img);

#if FORCE_HIGHBITDEPTH_DECODING

#endif

    const char *actual_md5 = md5_res.Get();

    // Check md5 match.

    ASSERT_STREQ(expected_md5, actual_md5)

        << "Md5 checksums don't match: frame number = " << frame_number;

  unsigned int row_mt_;

 private:

  FILE *md5_file_;

};

// This test runs through the whole set of test vectors, and decodes them.

// The md5 checksums are computed for each frame in the video file. If md5

// checksums match the correct md5 data, then the test is passed. Otherwise,

// the test failed.

TEST_P(TestVectorTest, MD5Match) {

  const DecodeParam input = GET_PARAM(1);

  const std::string filename = std::get<kFileName>(input);

  aom_codec_flags_t flags = 0;

  aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();

  char str[256];

  cfg.threads = std::get<kThreads>(input);

  row_mt_ = std::get<kRowMT>(input);

  snprintf(str, sizeof(str) / sizeof(str[0]) - 1, "file: %s threads: %d",

           filename.c_str(), cfg.threads);

  SCOPED_TRACE(str);

  // Open compressed video file.

  std::unique_ptr<libaom_test::CompressedVideoSource> video;

  if (filename.substr(filename.length() - 3, 3) == "ivf") {

    video.reset(new libaom_test::IVFVideoSource(filename));

  } else if (filename.substr(filename.length() - 4, 4) == "webm" ||

             filename.substr(filename.length() - 3, 3) == "mkv") {

#if CONFIG_WEBM_IO

    video.reset(new libaom_test::WebMVideoSource(filename));

#else

    fprintf(stderr, "WebM IO is disabled, skipping test vector %s\n",

            filename.c_str());

    return;

#endif

  ASSERT_NE(video, nullptr);

  video->Init();

  // Construct md5 file name.

  const std::string md5_filename = filename + ".md5";

  OpenMD5File(md5_filename);

  // Set decode config and flags.

  cfg.allow_lowbitdepth = !FORCE_HIGHBITDEPTH_DECODING;

  set_cfg(cfg);

  set_flags(flags);

  // Decode frame, and check the md5 matching.

  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get(), cfg));

#if CONFIG_AV1_DECODER

AV1_INSTANTIATE_TEST_SUITE(

    TestVectorTest,

    ::testing::Combine(::testing::Values(1),  // Single thread.

                       ::testing::ValuesIn(libaom_test::kAV1TestVectors,

                                           libaom_test::kAV1TestVectors +

                                               libaom_test::kNumAV1TestVectors),

                       ::testing::Values(0)));

// Test AV1 decode in with different numbers of threads.

INSTANTIATE_TEST_SUITE_P(

    AV1MultiThreaded, TestVectorTest,

    ::testing::Combine(

        ::testing::Values(

            static_cast<const libaom_test::CodecFactory *>(&libaom_test::kAV1)),

        ::testing::Combine(

            ::testing::Range(2, 9),  // With 2 ~ 8 threads.

            ::testing::ValuesIn(libaom_test::kAV1TestVectors,

                                libaom_test::kAV1TestVectors +

                                    libaom_test::kNumAV1TestVectors),

            ::testing::Range(0, 2))));

#endif  // CONFIG_AV1_DECODER

}  // namespace