95 lines
3.0 KiB
C++
95 lines
3.0 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 <stdint.h>
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#include <stdio.h>
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#include <memory>
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#include <string>
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#include "absl/strings/string_view.h"
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#include "api/scoped_refptr.h"
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#include "api/video/i420_buffer.h"
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#include "api/video/video_frame_buffer.h"
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#include "test/gtest.h"
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#include "test/testsupport/file_utils.h"
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#include "test/testsupport/frame_reader.h"
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namespace webrtc {
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namespace test {
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namespace {
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const absl::string_view kFileHeader = "YUV4MPEG2 W50 H20 F30:1 C420\n";
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const absl::string_view kFrameHeader = "FRAME\n";
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const absl::string_view kInputVideoContents = "abcdef";
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const size_t kFrameWidth = 2;
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const size_t kFrameHeight = 2;
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const size_t kFrameLength = 3 * kFrameWidth * kFrameHeight / 2; // I420.
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} // namespace
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class Y4mFrameReaderTest : public ::testing::Test {
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protected:
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Y4mFrameReaderTest() = default;
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~Y4mFrameReaderTest() override = default;
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void SetUp() override {
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temp_filename_ = webrtc::test::TempFilename(webrtc::test::OutputPath(),
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"y4m_frame_reader_unittest");
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FILE* dummy = fopen(temp_filename_.c_str(), "wb");
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fprintf(dummy, "%s",
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(std::string(kFileHeader) + std::string(kFrameHeader) +
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std::string(kInputVideoContents))
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.c_str());
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fclose(dummy);
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frame_reader_.reset(
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new Y4mFrameReaderImpl(temp_filename_, kFrameWidth, kFrameHeight));
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ASSERT_TRUE(frame_reader_->Init());
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}
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void TearDown() override { remove(temp_filename_.c_str()); }
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std::unique_ptr<FrameReader> frame_reader_;
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std::string temp_filename_;
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};
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TEST_F(Y4mFrameReaderTest, InitSuccess) {}
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TEST_F(Y4mFrameReaderTest, FrameLength) {
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EXPECT_EQ(kFrameHeader.size() + kFrameLength, frame_reader_->FrameLength());
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}
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TEST_F(Y4mFrameReaderTest, NumberOfFrames) {
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EXPECT_EQ(1, frame_reader_->NumberOfFrames());
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}
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TEST_F(Y4mFrameReaderTest, ReadFrame) {
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rtc::scoped_refptr<I420BufferInterface> buffer = frame_reader_->ReadFrame();
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ASSERT_TRUE(buffer);
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// Expect I420 packed as YUV.
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EXPECT_EQ(kInputVideoContents[0], buffer->DataY()[0]);
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EXPECT_EQ(kInputVideoContents[1], buffer->DataY()[1]);
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EXPECT_EQ(kInputVideoContents[2], buffer->DataY()[2]);
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EXPECT_EQ(kInputVideoContents[3], buffer->DataY()[3]);
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EXPECT_EQ(kInputVideoContents[4], buffer->DataU()[0]);
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EXPECT_EQ(kInputVideoContents[5], buffer->DataV()[0]);
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EXPECT_FALSE(frame_reader_->ReadFrame()); // End of file.
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}
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TEST_F(Y4mFrameReaderTest, ReadFrameUninitialized) {
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Y4mFrameReaderImpl file_reader(temp_filename_, kFrameWidth, kFrameHeight);
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EXPECT_FALSE(file_reader.ReadFrame());
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}
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} // namespace test
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} // namespace webrtc
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