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b671d46f91
The function checks the file extension to determine YUV or Y4M format. Also adds a flag aligned_output_file to compare_videos.py, which allows saving the aligned reference video to a file. Bug: webrtc:9642 Change-Id: Ia59f5c123a1e41104756eb6b235b6581c4ffbd77 Reviewed-on: https://webrtc-review.googlesource.com/99503 Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Commit-Queue: Paulina Hensman <phensman@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24787}
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <string>
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#include "rtc_base/refcountedobject.h"
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#include "rtc_tools/video_file_reader.h"
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#include "rtc_tools/video_file_writer.h"
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#include "test/gtest.h"
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#include "test/testsupport/fileutils.h"
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namespace webrtc {
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namespace test {
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class VideoFileWriterTest : public ::testing::Test {
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public:
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void SetUp() override {
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const std::string filename =
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webrtc::test::OutputPath() + "test_video_file.y4m";
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// Create simple test video of size 6x4.
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FILE* file = fopen(filename.c_str(), "wb");
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ASSERT_TRUE(file != nullptr);
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fprintf(file, "YUV4MPEG2 W6 H4 F60:1 C420 dummyParam\n");
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fprintf(file, "FRAME\n");
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const int i420_size = width * height * 3 / 2;
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// First frame.
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for (int i = 0; i < i420_size; ++i)
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fputc(static_cast<char>(i), file);
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fprintf(file, "FRAME\n");
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// Second frame.
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for (int i = 0; i < i420_size; ++i)
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fputc(static_cast<char>(i + i420_size), file);
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fclose(file);
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// Open the newly created file.
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video = webrtc::test::OpenY4mFile(filename);
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ASSERT_TRUE(video);
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}
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// Write and read Y4M file.
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void WriteVideoY4m() {
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const std::string filename =
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webrtc::test::OutputPath() + "test_video_file2.y4m";
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webrtc::test::WriteVideoToFile(video, filename, fps);
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written_video = webrtc::test::OpenY4mFile(filename);
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ASSERT_TRUE(written_video);
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}
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// Write and read YUV file.
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void WriteVideoYuv() {
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const std::string filename =
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webrtc::test::OutputPath() + "test_video_file2.yuv";
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webrtc::test::WriteVideoToFile(video, filename, fps);
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written_video = webrtc::test::OpenYuvFile(filename, width, height);
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ASSERT_TRUE(written_video);
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}
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const int width = 6;
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const int height = 4;
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const int fps = 60;
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rtc::scoped_refptr<webrtc::test::Video> video;
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rtc::scoped_refptr<webrtc::test::Video> written_video;
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};
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TEST_F(VideoFileWriterTest, TestParsingFileHeaderY4m) {
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WriteVideoY4m();
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EXPECT_EQ(video->width(), written_video->width());
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EXPECT_EQ(video->height(), written_video->height());
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}
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TEST_F(VideoFileWriterTest, TestParsingFileHeaderYuv) {
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WriteVideoYuv();
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EXPECT_EQ(video->width(), written_video->width());
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EXPECT_EQ(video->height(), written_video->height());
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}
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TEST_F(VideoFileWriterTest, TestParsingNumberOfFramesY4m) {
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WriteVideoY4m();
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EXPECT_EQ(video->number_of_frames(), written_video->number_of_frames());
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}
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TEST_F(VideoFileWriterTest, TestParsingNumberOfFramesYuv) {
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WriteVideoYuv();
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EXPECT_EQ(video->number_of_frames(), written_video->number_of_frames());
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}
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TEST_F(VideoFileWriterTest, TestPixelContentY4m) {
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WriteVideoY4m();
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int cnt = 0;
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for (const rtc::scoped_refptr<I420BufferInterface> frame : *written_video) {
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for (int i = 0; i < width * height; ++i, ++cnt)
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EXPECT_EQ(cnt, frame->DataY()[i]);
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for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt)
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EXPECT_EQ(cnt, frame->DataU()[i]);
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for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt)
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EXPECT_EQ(cnt, frame->DataV()[i]);
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}
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}
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TEST_F(VideoFileWriterTest, TestPixelContentYuv) {
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WriteVideoYuv();
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int cnt = 0;
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for (const rtc::scoped_refptr<I420BufferInterface> frame : *written_video) {
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for (int i = 0; i < width * height; ++i, ++cnt)
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EXPECT_EQ(cnt, frame->DataY()[i]);
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for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt)
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EXPECT_EQ(cnt, frame->DataU()[i]);
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for (int i = 0; i < width / 2 * height / 2; ++i, ++cnt)
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EXPECT_EQ(cnt, frame->DataV()[i]);
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}
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}
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} // namespace test
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} // namespace webrtc
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