1 /*
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <stdint.h>
12 #include <stdio.h>
13 #include <string.h>
14
15 #include <memory>
16 #include <string>
17
18 #include "test/gtest.h"
19 #include "test/testsupport/file_utils.h"
20 #include "test/testsupport/frame_writer.h"
21
22 namespace webrtc {
23 namespace test {
24
25 namespace {
26 const size_t kFrameWidth = 50;
27 const size_t kFrameHeight = 20;
28 const size_t kFrameLength = 3 * kFrameWidth * kFrameHeight / 2; // I420.
29 const size_t kFrameRate = 30;
30
31 const std::string kFileHeader = "YUV4MPEG2 W50 H20 F30:1 C420\n";
32 const std::string kFrameHeader = "FRAME\n";
33 } // namespace
34
35 class Y4mFrameWriterTest : public ::testing::Test {
36 protected:
37 Y4mFrameWriterTest() = default;
38 ~Y4mFrameWriterTest() override = default;
39
SetUp()40 void SetUp() override {
41 temp_filename_ = webrtc::test::TempFilename(webrtc::test::OutputPath(),
42 "y4m_frame_writer_unittest");
43 frame_writer_.reset(new Y4mFrameWriterImpl(temp_filename_, kFrameWidth,
44 kFrameHeight, kFrameRate));
45 ASSERT_TRUE(frame_writer_->Init());
46 }
47
TearDown()48 void TearDown() override { remove(temp_filename_.c_str()); }
49
50 std::unique_ptr<FrameWriter> frame_writer_;
51 std::string temp_filename_;
52 };
53
TEST_F(Y4mFrameWriterTest,InitSuccess)54 TEST_F(Y4mFrameWriterTest, InitSuccess) {}
55
TEST_F(Y4mFrameWriterTest,FrameLength)56 TEST_F(Y4mFrameWriterTest, FrameLength) {
57 EXPECT_EQ(kFrameLength, frame_writer_->FrameLength());
58 }
59
TEST_F(Y4mFrameWriterTest,WriteFrame)60 TEST_F(Y4mFrameWriterTest, WriteFrame) {
61 uint8_t buffer[kFrameLength];
62 memset(buffer, 9, kFrameLength); // Write lots of 9s to the buffer.
63 bool result = frame_writer_->WriteFrame(buffer);
64 ASSERT_TRUE(result);
65 result = frame_writer_->WriteFrame(buffer);
66 ASSERT_TRUE(result);
67
68 frame_writer_->Close();
69 EXPECT_EQ(kFileHeader.size() + 2 * kFrameHeader.size() + 2 * kFrameLength,
70 GetFileSize(temp_filename_));
71 }
72
TEST_F(Y4mFrameWriterTest,WriteFrameUninitialized)73 TEST_F(Y4mFrameWriterTest, WriteFrameUninitialized) {
74 uint8_t buffer[kFrameLength];
75 Y4mFrameWriterImpl frame_writer(temp_filename_, kFrameWidth, kFrameHeight,
76 kFrameRate);
77 EXPECT_FALSE(frame_writer.WriteFrame(buffer));
78 }
79
80 } // namespace test
81 } // namespace webrtc
82