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Diffstat (limited to 'third_party/aom/test/y4m_test.cc')
| -rw-r--r-- | third_party/aom/test/y4m_test.cc | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/third_party/aom/test/y4m_test.cc b/third_party/aom/test/y4m_test.cc new file mode 100644 index 000000000..fc9fff514 --- /dev/null +++ b/third_party/aom/test/y4m_test.cc @@ -0,0 +1,192 @@ +/* + * 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 <string> + +#include "third_party/googletest/src/googletest/include/gtest/gtest.h" + +#include "./aom_config.h" +#include "./y4menc.h" +#include "test/md5_helper.h" +#include "test/util.h" +#include "test/y4m_video_source.h" + +namespace { + +using std::string; + +static const unsigned int kWidth = 160; +static const unsigned int kHeight = 90; +static const unsigned int kFrames = 10; + +struct Y4mTestParam { + const char *filename; + unsigned int bit_depth; + aom_img_fmt format; + const char *md5raw; +}; + +const Y4mTestParam kY4mTestVectors[] = { + { "park_joy_90p_8_420.y4m", 8, AOM_IMG_FMT_I420, + "e5406275b9fc6bb3436c31d4a05c1cab" }, + { "park_joy_90p_8_422.y4m", 8, AOM_IMG_FMT_I422, + "284a47a47133b12884ec3a14e959a0b6" }, + { "park_joy_90p_8_444.y4m", 8, AOM_IMG_FMT_I444, + "90517ff33843d85de712fd4fe60dbed0" }, + { "park_joy_90p_10_420.y4m", 10, AOM_IMG_FMT_I42016, + "63f21f9f717d8b8631bd2288ee87137b" }, + { "park_joy_90p_10_422.y4m", 10, AOM_IMG_FMT_I42216, + "48ab51fb540aed07f7ff5af130c9b605" }, + { "park_joy_90p_10_444.y4m", 10, AOM_IMG_FMT_I44416, + "067bfd75aa85ff9bae91fa3e0edd1e3e" }, + { "park_joy_90p_12_420.y4m", 12, AOM_IMG_FMT_I42016, + "9e6d8f6508c6e55625f6b697bc461cef" }, + { "park_joy_90p_12_422.y4m", 12, AOM_IMG_FMT_I42216, + "b239c6b301c0b835485be349ca83a7e3" }, + { "park_joy_90p_12_444.y4m", 12, AOM_IMG_FMT_I44416, + "5a6481a550821dab6d0192f5c63845e9" }, +}; + +static void write_image_file(const aom_image_t *img, FILE *file) { + int plane, y; + for (plane = 0; plane < 3; ++plane) { + const unsigned char *buf = img->planes[plane]; + const int stride = img->stride[plane]; + const int bytes_per_sample = (img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) ? 2 : 1; + const int h = + (plane ? (img->d_h + img->y_chroma_shift) >> img->y_chroma_shift + : img->d_h); + const int w = + (plane ? (img->d_w + img->x_chroma_shift) >> img->x_chroma_shift + : img->d_w); + for (y = 0; y < h; ++y) { + fwrite(buf, bytes_per_sample, w, file); + buf += stride; + } + } +} + +class Y4mVideoSourceTest : public ::testing::TestWithParam<Y4mTestParam>, + public ::libaom_test::Y4mVideoSource { + protected: + Y4mVideoSourceTest() : Y4mVideoSource("", 0, 0) {} + + virtual ~Y4mVideoSourceTest() { CloseSource(); } + + virtual void Init(const std::string &file_name, int limit) { + file_name_ = file_name; + start_ = 0; + limit_ = limit; + frame_ = 0; + Begin(); + } + + // Checks y4m header information + void HeaderChecks(unsigned int bit_depth, aom_img_fmt_t fmt) { + ASSERT_TRUE(input_file_ != NULL); + ASSERT_EQ(y4m_.pic_w, (int)kWidth); + ASSERT_EQ(y4m_.pic_h, (int)kHeight); + ASSERT_EQ(img()->d_w, kWidth); + ASSERT_EQ(img()->d_h, kHeight); + ASSERT_EQ(y4m_.bit_depth, bit_depth); + ASSERT_EQ(y4m_.aom_fmt, fmt); + if (fmt == AOM_IMG_FMT_I420 || fmt == AOM_IMG_FMT_I42016) { + ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3 / 2); + ASSERT_EQ(img()->x_chroma_shift, 1U); + ASSERT_EQ(img()->y_chroma_shift, 1U); + } + if (fmt == AOM_IMG_FMT_I422 || fmt == AOM_IMG_FMT_I42216) { + ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 2); + ASSERT_EQ(img()->x_chroma_shift, 1U); + ASSERT_EQ(img()->y_chroma_shift, 0U); + } + if (fmt == AOM_IMG_FMT_I444 || fmt == AOM_IMG_FMT_I44416) { + ASSERT_EQ(y4m_.bps, (int)y4m_.bit_depth * 3); + ASSERT_EQ(img()->x_chroma_shift, 0U); + ASSERT_EQ(img()->y_chroma_shift, 0U); + } + } + + // Checks MD5 of the raw frame data + void Md5Check(const string &expected_md5) { + ASSERT_TRUE(input_file_ != NULL); + libaom_test::MD5 md5; + for (unsigned int i = start_; i < limit_; i++) { + md5.Add(img()); + Next(); + } + ASSERT_EQ(string(md5.Get()), expected_md5); + } +}; + +TEST_P(Y4mVideoSourceTest, SourceTest) { + const Y4mTestParam t = GetParam(); + Init(t.filename, kFrames); + HeaderChecks(t.bit_depth, t.format); + Md5Check(t.md5raw); +} + +INSTANTIATE_TEST_CASE_P(C, Y4mVideoSourceTest, + ::testing::ValuesIn(kY4mTestVectors)); + +class Y4mVideoWriteTest : public Y4mVideoSourceTest { + protected: + Y4mVideoWriteTest() : tmpfile_(NULL) {} + + virtual ~Y4mVideoWriteTest() { + delete tmpfile_; + input_file_ = NULL; + } + + void ReplaceInputFile(FILE *input_file) { + CloseSource(); + frame_ = 0; + input_file_ = input_file; + rewind(input_file_); + ReadSourceToStart(); + } + + // Writes out a y4m file and then reads it back + void WriteY4mAndReadBack() { + ASSERT_TRUE(input_file_ != NULL); + char buf[Y4M_BUFFER_SIZE] = { 0 }; + const struct AvxRational framerate = { y4m_.fps_n, y4m_.fps_d }; + tmpfile_ = new libaom_test::TempOutFile; + ASSERT_TRUE(tmpfile_->file() != NULL); + y4m_write_file_header(buf, sizeof(buf), kWidth, kHeight, &framerate, + y4m_.aom_fmt, y4m_.bit_depth); + fputs(buf, tmpfile_->file()); + for (unsigned int i = start_; i < limit_; i++) { + y4m_write_frame_header(buf, sizeof(buf)); + fputs(buf, tmpfile_->file()); + write_image_file(img(), tmpfile_->file()); + Next(); + } + ReplaceInputFile(tmpfile_->file()); + } + + virtual void Init(const std::string &file_name, int limit) { + Y4mVideoSourceTest::Init(file_name, limit); + WriteY4mAndReadBack(); + } + libaom_test::TempOutFile *tmpfile_; +}; + +TEST_P(Y4mVideoWriteTest, WriteTest) { + const Y4mTestParam t = GetParam(); + Init(t.filename, kFrames); + HeaderChecks(t.bit_depth, t.format); + Md5Check(t.md5raw); +} + +INSTANTIATE_TEST_CASE_P(C, Y4mVideoWriteTest, + ::testing::ValuesIn(kY4mTestVectors)); +} // namespace |