blob: 219ec1bbe31dc95262f89cfd477563e1132f5275 [file] [log] [blame]
/*
* 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 <stdint.h>
#include <stdio.h>
#include <memory>
#include <string>
#include "absl/strings/string_view.h"
#include "api/scoped_refptr.h"
#include "api/video/i420_buffer.h"
#include "api/video/video_frame_buffer.h"
#include "test/gtest.h"
#include "test/testsupport/file_utils.h"
#include "test/testsupport/frame_reader.h"
namespace webrtc {
namespace test {
namespace {
const absl::string_view kFileHeader = "YUV4MPEG2 W2 H2 F30:1 C420\n";
const absl::string_view kFrameHeader = "FRAME\n";
const absl::string_view kInputVideoContents = "abcdef";
const size_t kFrameWidth = 2;
const size_t kFrameHeight = 2;
const size_t kFrameLength = 3 * kFrameWidth * kFrameHeight / 2; // I420.
} // namespace
class Y4mFrameReaderTest : public ::testing::Test {
protected:
Y4mFrameReaderTest() = default;
~Y4mFrameReaderTest() override = default;
void SetUp() override {
temp_filename_ = webrtc::test::TempFilename(webrtc::test::OutputPath(),
"y4m_frame_reader_unittest");
FILE* dummy = fopen(temp_filename_.c_str(), "wb");
fprintf(dummy, "%s",
(std::string(kFileHeader) + std::string(kFrameHeader) +
std::string(kInputVideoContents))
.c_str());
fclose(dummy);
frame_reader_.reset(
new Y4mFrameReaderImpl(temp_filename_, kFrameWidth, kFrameHeight));
ASSERT_TRUE(frame_reader_->Init());
}
void TearDown() override { remove(temp_filename_.c_str()); }
std::unique_ptr<FrameReader> frame_reader_;
std::string temp_filename_;
};
TEST_F(Y4mFrameReaderTest, InitSuccess) {}
TEST_F(Y4mFrameReaderTest, FrameLength) {
EXPECT_EQ(kFrameHeader.size() + kFrameLength, frame_reader_->FrameLength());
}
TEST_F(Y4mFrameReaderTest, NumberOfFrames) {
EXPECT_EQ(1, frame_reader_->NumberOfFrames());
}
TEST_F(Y4mFrameReaderTest, ReadFrame) {
rtc::scoped_refptr<I420BufferInterface> buffer = frame_reader_->ReadFrame();
ASSERT_TRUE(buffer);
// Expect I420 packed as YUV.
EXPECT_EQ(kInputVideoContents[0], buffer->DataY()[0]);
EXPECT_EQ(kInputVideoContents[1], buffer->DataY()[1]);
EXPECT_EQ(kInputVideoContents[2], buffer->DataY()[2]);
EXPECT_EQ(kInputVideoContents[3], buffer->DataY()[3]);
EXPECT_EQ(kInputVideoContents[4], buffer->DataU()[0]);
EXPECT_EQ(kInputVideoContents[5], buffer->DataV()[0]);
EXPECT_FALSE(frame_reader_->ReadFrame()); // End of file.
}
TEST_F(Y4mFrameReaderTest, ReadFrameUninitialized) {
Y4mFrameReaderImpl file_reader(temp_filename_, kFrameWidth, kFrameHeight);
EXPECT_FALSE(file_reader.ReadFrame());
}
TEST_F(Y4mFrameReaderTest, ReadFrameDifferentWidth) {
Y4mFrameReaderImpl file_reader(temp_filename_, kFrameWidth + 1, kFrameHeight);
EXPECT_FALSE(file_reader.Init());
}
TEST_F(Y4mFrameReaderTest, ReadFrameDifferentHeight) {
Y4mFrameReaderImpl file_reader(temp_filename_, kFrameWidth, kFrameHeight + 1);
EXPECT_FALSE(file_reader.Init());
}
} // namespace test
} // namespace webrtc