diff options
Diffstat (limited to 'third_party/libwebrtc/rtc_tools/video_file_writer_unittest.cc')
-rw-r--r-- | third_party/libwebrtc/rtc_tools/video_file_writer_unittest.cc | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_tools/video_file_writer_unittest.cc b/third_party/libwebrtc/rtc_tools/video_file_writer_unittest.cc new file mode 100644 index 0000000000..c4afa8fe06 --- /dev/null +++ b/third_party/libwebrtc/rtc_tools/video_file_writer_unittest.cc @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "rtc_tools/video_file_writer.h" + +#include <stdint.h> + +#include <cstdio> +#include <string> + +#include "api/video/video_frame_buffer.h" +#include "rtc_tools/video_file_reader.h" +#include "test/gtest.h" +#include "test/testsupport/file_utils.h" + +namespace webrtc { +namespace test { + +class VideoFileWriterTest : public ::testing::Test { + public: + void SetUp() override { + video_filename_ = + TempFilename(webrtc::test::OutputPath(), "test_video_file.y4m"); + + // Create simple test video of size 6x4. + FILE* file = fopen(video_filename_.c_str(), "wb"); + ASSERT_TRUE(file != nullptr); + fprintf(file, "YUV4MPEG2 W6 H4 F60:1 C420 dummyParam\n"); + fprintf(file, "FRAME\n"); + + const int i420_size = width * height * 3 / 2; + // First frame. + for (int i = 0; i < i420_size; ++i) + fputc(static_cast<char>(i), file); + fprintf(file, "FRAME\n"); + // Second frame. + for (int i = 0; i < i420_size; ++i) + fputc(static_cast<char>(i + i420_size), file); + fclose(file); + + // Open the newly created file. + video_ = webrtc::test::OpenY4mFile(video_filename_); + ASSERT_TRUE(video_); + ASSERT_EQ(video_->number_of_frames(), 2u); + } + + void TearDown() override { + if (!video_filename_.empty()) { + RemoveFile(video_filename_); + } + if (!written_video_filename_.empty()) { + RemoveFile(written_video_filename_); + } + } + + // Write and read Y4M file. + void WriteVideoY4m() { + // Cleanup existing file if any. + if (!written_video_filename_.empty()) { + RemoveFile(written_video_filename_); + } + // Create an unique filename, e.g. test_video_file2.y4mZapata. + written_video_filename_ = + TempFilename(webrtc::test::OutputPath(), "test_video_file2.y4m"); + webrtc::test::WriteY4mVideoToFile(video_, written_video_filename_, fps); + written_video_ = webrtc::test::OpenY4mFile(written_video_filename_); + ASSERT_TRUE(written_video_); + } + + // Write and read YUV file. + void WriteVideoYuv() { + // Cleanup existing file if any. + if (!written_video_filename_.empty()) { + RemoveFile(written_video_filename_); + } + // Create an unique filename, e.g. test_video_file2.yuvZapata. + written_video_filename_ = + TempFilename(webrtc::test::OutputPath(), "test_video_file2.yuv"); + webrtc::test::WriteYuvVideoToFile(video_, written_video_filename_, fps); + written_video_ = + webrtc::test::OpenYuvFile(written_video_filename_, width, height); + ASSERT_TRUE(written_video_); + } + + const int width = 6; + const int height = 4; + const int fps = 60; + rtc::scoped_refptr<webrtc::test::Video> video_; + rtc::scoped_refptr<webrtc::test::Video> written_video_; + // Each video object must be backed by file! + std::string video_filename_; + std::string written_video_filename_; +}; + +TEST_F(VideoFileWriterTest, TestParsingFileHeaderY4m) { + WriteVideoY4m(); + EXPECT_EQ(video_->width(), written_video_->width()); + EXPECT_EQ(video_->height(), written_video_->height()); +} + +TEST_F(VideoFileWriterTest, TestParsingFileHeaderYuv) { + WriteVideoYuv(); + EXPECT_EQ(video_->width(), written_video_->width()); + EXPECT_EQ(video_->height(), written_video_->height()); +} + +TEST_F(VideoFileWriterTest, TestParsingNumberOfFramesY4m) { + WriteVideoY4m(); + EXPECT_EQ(video_->number_of_frames(), written_video_->number_of_frames()); +} + +TEST_F(VideoFileWriterTest, TestParsingNumberOfFramesYuv) { + WriteVideoYuv(); + EXPECT_EQ(video_->number_of_frames(), written_video_->number_of_frames()); +} + +TEST_F(VideoFileWriterTest, TestPixelContentY4m) { + WriteVideoY4m(); + int cnt = 0; + for (const rtc::scoped_refptr<I420BufferInterface> frame : *written_video_) { + for (int i = 0; i < width * height; ++i, ++cnt) + EXPECT_EQ(cnt, frame->DataY()[i]); + for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt) + EXPECT_EQ(cnt, frame->DataU()[i]); + for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt) + EXPECT_EQ(cnt, frame->DataV()[i]); + } +} + +TEST_F(VideoFileWriterTest, TestPixelContentYuv) { + WriteVideoYuv(); + int cnt = 0; + for (const rtc::scoped_refptr<I420BufferInterface> frame : *written_video_) { + for (int i = 0; i < width * height; ++i, ++cnt) + EXPECT_EQ(cnt, frame->DataY()[i]); + for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt) + EXPECT_EQ(cnt, frame->DataU()[i]); + for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt) + EXPECT_EQ(cnt, frame->DataV()[i]); + } +} + +} // namespace test +} // namespace webrtc |