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/*
* 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_reader.h"
#include <stdint.h>
#include <string>
#include "test/gtest.h"
#include "test/testsupport/file_utils.h"
namespace webrtc {
namespace test {
class Y4mFileReaderTest : public ::testing::Test {
public:
void SetUp() override {
const std::string filename =
TempFilename(webrtc::test::OutputPath(), "test_video_file.y4m");
// Create simple test video of size 6x4.
FILE* file = fopen(filename.c_str(), "wb");
ASSERT_TRUE(file != nullptr);
fprintf(file, "YUV4MPEG2 W6 H4 F57:10 C420 dummyParam\n");
fprintf(file, "FRAME\n");
const int width = 6;
const int height = 4;
const int i40_size = width * height * 3 / 2;
// First frame.
for (int i = 0; i < i40_size; ++i)
fputc(static_cast<char>(i), file);
fprintf(file, "FRAME\n");
// Second frame.
for (int i = 0; i < i40_size; ++i)
fputc(static_cast<char>(i + i40_size), file);
fclose(file);
// Open the newly created file.
video = webrtc::test::OpenY4mFile(filename);
ASSERT_TRUE(video);
}
rtc::scoped_refptr<webrtc::test::Video> video;
};
TEST_F(Y4mFileReaderTest, TestParsingFileHeader) {
EXPECT_EQ(6, video->width());
EXPECT_EQ(4, video->height());
}
TEST_F(Y4mFileReaderTest, TestParsingNumberOfFrames) {
EXPECT_EQ(2u, video->number_of_frames());
}
TEST_F(Y4mFileReaderTest, TestPixelContent) {
int cnt = 0;
for (const rtc::scoped_refptr<I420BufferInterface> frame : *video) {
for (int i = 0; i < 6 * 4; ++i, ++cnt)
EXPECT_EQ(cnt, frame->DataY()[i]);
for (int i = 0; i < 3 * 2; ++i, ++cnt)
EXPECT_EQ(cnt, frame->DataU()[i]);
for (int i = 0; i < 3 * 2; ++i, ++cnt)
EXPECT_EQ(cnt, frame->DataV()[i]);
}
}
class YuvFileReaderTest : public ::testing::Test {
public:
void SetUp() override {
const std::string filename =
TempFilename(webrtc::test::OutputPath(), "test_video_file.yuv");
// Create simple test video of size 6x4.
FILE* file = fopen(filename.c_str(), "wb");
ASSERT_TRUE(file != nullptr);
const int width = 6;
const int height = 4;
const int i40_size = width * height * 3 / 2;
// First frame.
for (int i = 0; i < i40_size; ++i)
fputc(static_cast<char>(i), file);
// Second frame.
for (int i = 0; i < i40_size; ++i)
fputc(static_cast<char>(i + i40_size), file);
fclose(file);
// Open the newly created file.
video = webrtc::test::OpenYuvFile(filename, 6, 4);
ASSERT_TRUE(video);
}
rtc::scoped_refptr<webrtc::test::Video> video;
};
TEST_F(YuvFileReaderTest, TestParsingFileHeader) {
EXPECT_EQ(6, video->width());
EXPECT_EQ(4, video->height());
}
TEST_F(YuvFileReaderTest, TestParsingNumberOfFrames) {
EXPECT_EQ(2u, video->number_of_frames());
}
TEST_F(YuvFileReaderTest, TestPixelContent) {
int cnt = 0;
for (const rtc::scoped_refptr<I420BufferInterface> frame : *video) {
for (int i = 0; i < 6 * 4; ++i, ++cnt)
EXPECT_EQ(cnt, frame->DataY()[i]);
for (int i = 0; i < 3 * 2; ++i, ++cnt)
EXPECT_EQ(cnt, frame->DataU()[i]);
for (int i = 0; i < 3 * 2; ++i, ++cnt)
EXPECT_EQ(cnt, frame->DataV()[i]);
}
}
} // namespace test
} // namespace webrtc