1 files changed, 311 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/utility/ivf_file_writer_unittest.cc b/third_party/libwebrtc/modules/video_coding/utility/ivf_file_writer_unittest.cc
new file mode 100644
index 0000000000..bc6ab65b34
--- /dev/null
+++ b/third_party/libwebrtc/modules/video_coding/utility/ivf_file_writer_unittest.cc
@@ -0,0 +1,311 @@
+/*
+ *  Copyright (c) 2016 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 "modules/video_coding/utility/ivf_file_writer.h"
+
+#include <string.h>
+
+#include <memory>
+#include <string>
+
+#include "modules/rtp_rtcp/source/byte_io.h"
+#include "test/gtest.h"
+#include "test/testsupport/file_utils.h"
+
+namespace webrtc {
+
+namespace {
+static const int kHeaderSize = 32;
+static const int kFrameHeaderSize = 12;
+static uint8_t dummy_payload[4] = {0, 1, 2, 3};
+// As the default parameter when the width and height of encodedImage are 0,
+// the values are copied from ivf_file_writer.cc
+constexpr int kDefaultWidth = 1280;
+constexpr int kDefaultHeight = 720;
+}  // namespace
+
+class IvfFileWriterTest : public ::testing::Test {
+ protected:
+  void SetUp() override {
+    file_name_ =
+        webrtc::test::TempFilename(webrtc::test::OutputPath(), "test_file");
+  }
+  void TearDown() override { webrtc::test::RemoveFile(file_name_); }
+
+  bool WriteDummyTestFrames(VideoCodecType codec_type,
+                            int width,
+                            int height,
+                            int num_frames,
+                            bool use_capture_tims_ms) {
+    EncodedImage frame;
+    frame.SetEncodedData(
+        EncodedImageBuffer::Create(dummy_payload, sizeof(dummy_payload)));
+    frame._encodedWidth = width;
+    frame._encodedHeight = height;
+    for (int i = 1; i <= num_frames; ++i) {
+      frame.set_size(i % sizeof(dummy_payload));
+      if (use_capture_tims_ms) {
+        frame.capture_time_ms_ = i;
+      } else {
+        frame.SetRtpTimestamp(i);
+      }
+      if (!file_writer_->WriteFrame(frame, codec_type))
+        return false;
+    }
+    return true;
+  }
+
+  void VerifyIvfHeader(FileWrapper* file,
+                       const uint8_t fourcc[4],
+                       int width,
+                       int height,
+                       uint32_t num_frames,
+                       bool use_capture_tims_ms) {
+    ASSERT_TRUE(file->is_open());
+    uint8_t data[kHeaderSize];
+    ASSERT_EQ(static_cast<size_t>(kHeaderSize), file->Read(data, kHeaderSize));
+
+    uint8_t dkif[4] = {'D', 'K', 'I', 'F'};
+    EXPECT_EQ(0, memcmp(dkif, data, 4));
+    EXPECT_EQ(0u, ByteReader<uint16_t>::ReadLittleEndian(&data[4]));
+    EXPECT_EQ(32u, ByteReader<uint16_t>::ReadLittleEndian(&data[6]));
+    EXPECT_EQ(0, memcmp(fourcc, &data[8], 4));
+    EXPECT_EQ(width, ByteReader<uint16_t>::ReadLittleEndian(&data[12]));
+    EXPECT_EQ(height, ByteReader<uint16_t>::ReadLittleEndian(&data[14]));
+    EXPECT_EQ(use_capture_tims_ms ? 1000u : 90000u,
+              ByteReader<uint32_t>::ReadLittleEndian(&data[16]));
+    EXPECT_EQ(1u, ByteReader<uint32_t>::ReadLittleEndian(&data[20]));
+    EXPECT_EQ(num_frames, ByteReader<uint32_t>::ReadLittleEndian(&data[24]));
+    EXPECT_EQ(0u, ByteReader<uint32_t>::ReadLittleEndian(&data[28]));
+  }
+
+  void VerifyDummyTestFrames(FileWrapper* file, uint32_t num_frames) {
+    const int kMaxFrameSize = 4;
+    for (uint32_t i = 1; i <= num_frames; ++i) {
+      uint8_t frame_header[kFrameHeaderSize];
+      ASSERT_EQ(static_cast<unsigned int>(kFrameHeaderSize),
+                file->Read(frame_header, kFrameHeaderSize));
+      uint32_t frame_length =
+          ByteReader<uint32_t>::ReadLittleEndian(&frame_header[0]);
+      EXPECT_EQ(i % 4, frame_length);
+      uint64_t timestamp =
+          ByteReader<uint64_t>::ReadLittleEndian(&frame_header[4]);
+      EXPECT_EQ(i, timestamp);
+
+      uint8_t data[kMaxFrameSize] = {};
+      ASSERT_EQ(frame_length,
+                static_cast<uint32_t>(file->Read(data, frame_length)));
+      EXPECT_EQ(0, memcmp(data, dummy_payload, frame_length));
+    }
+  }
+
+  void RunBasicFileStructureTest(VideoCodecType codec_type,
+                                 const uint8_t fourcc[4],
+                                 bool use_capture_tims_ms) {
+    file_writer_ =
+        IvfFileWriter::Wrap(FileWrapper::OpenWriteOnly(file_name_), 0);
+    ASSERT_TRUE(file_writer_.get());
+    const int kWidth = 320;
+    const int kHeight = 240;
+    const int kNumFrames = 257;
+    ASSERT_TRUE(WriteDummyTestFrames(codec_type, kWidth, kHeight, kNumFrames,
+                                     use_capture_tims_ms));
+    EXPECT_TRUE(file_writer_->Close());
+
+    FileWrapper out_file = FileWrapper::OpenReadOnly(file_name_);
+    VerifyIvfHeader(&out_file, fourcc, kWidth, kHeight, kNumFrames,
+                    use_capture_tims_ms);
+    VerifyDummyTestFrames(&out_file, kNumFrames);
+
+    out_file.Close();
+  }
+
+  std::string file_name_;
+  std::unique_ptr<IvfFileWriter> file_writer_;
+};
+
+TEST_F(IvfFileWriterTest, WritesBasicVP8FileNtpTimestamp) {
+  const uint8_t fourcc[4] = {'V', 'P', '8', '0'};
+  RunBasicFileStructureTest(kVideoCodecVP8, fourcc, false);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicVP8FileMsTimestamp) {
+  const uint8_t fourcc[4] = {'V', 'P', '8', '0'};
+  RunBasicFileStructureTest(kVideoCodecVP8, fourcc, true);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicVP9FileNtpTimestamp) {
+  const uint8_t fourcc[4] = {'V', 'P', '9', '0'};
+  RunBasicFileStructureTest(kVideoCodecVP9, fourcc, false);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicVP9FileMsTimestamp) {
+  const uint8_t fourcc[4] = {'V', 'P', '9', '0'};
+  RunBasicFileStructureTest(kVideoCodecVP9, fourcc, true);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicAv1FileNtpTimestamp) {
+  const uint8_t fourcc[4] = {'A', 'V', '0', '1'};
+  RunBasicFileStructureTest(kVideoCodecAV1, fourcc, false);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicAv1FileMsTimestamp) {
+  const uint8_t fourcc[4] = {'A', 'V', '0', '1'};
+  RunBasicFileStructureTest(kVideoCodecAV1, fourcc, true);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicH264FileNtpTimestamp) {
+  const uint8_t fourcc[4] = {'H', '2', '6', '4'};
+  RunBasicFileStructureTest(kVideoCodecH264, fourcc, false);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicH264FileMsTimestamp) {
+  const uint8_t fourcc[4] = {'H', '2', '6', '4'};
+  RunBasicFileStructureTest(kVideoCodecH264, fourcc, true);
+}
+
+TEST_F(IvfFileWriterTest, WritesBasicUnknownCodecFileMsTimestamp) {
+  const uint8_t fourcc[4] = {'*', '*', '*', '*'};
+  RunBasicFileStructureTest(kVideoCodecGeneric, fourcc, true);
+}
+
+TEST_F(IvfFileWriterTest, ClosesWhenReachesLimit) {
+  const uint8_t fourcc[4] = {'V', 'P', '8', '0'};
+  const int kWidth = 320;
+  const int kHeight = 240;
+  const int kNumFramesToWrite = 2;
+  const int kNumFramesToFit = 1;
+
+  file_writer_ = IvfFileWriter::Wrap(
+      FileWrapper::OpenWriteOnly(file_name_),
+      kHeaderSize +
+          kNumFramesToFit * (kFrameHeaderSize + sizeof(dummy_payload)));
+  ASSERT_TRUE(file_writer_.get());
+
+  ASSERT_FALSE(WriteDummyTestFrames(kVideoCodecVP8, kWidth, kHeight,
+                                    kNumFramesToWrite, true));
+  ASSERT_FALSE(file_writer_->Close());
+
+  FileWrapper out_file = FileWrapper::OpenReadOnly(file_name_);
+  VerifyIvfHeader(&out_file, fourcc, kWidth, kHeight, kNumFramesToFit, true);
+  VerifyDummyTestFrames(&out_file, kNumFramesToFit);
+
+  out_file.Close();
+}
+
+TEST_F(IvfFileWriterTest, UseDefaultValueWhenWidthAndHeightAreZero) {
+  const uint8_t fourcc[4] = {'V', 'P', '8', '0'};
+  const int kWidth = 0;
+  const int kHeight = 0;
+  const int kNumFramesToWrite = 2;
+  const int kNumFramesToFit = 1;
+
+  file_writer_ = IvfFileWriter::Wrap(
+      FileWrapper::OpenWriteOnly(file_name_),
+      kHeaderSize +
+          kNumFramesToFit * (kFrameHeaderSize + sizeof(dummy_payload)));
+  ASSERT_TRUE(file_writer_.get());
+
+  ASSERT_FALSE(WriteDummyTestFrames(kVideoCodecVP8, kWidth, kHeight,
+                                    kNumFramesToWrite, true));
+  ASSERT_FALSE(file_writer_->Close());
+
+  FileWrapper out_file = FileWrapper::OpenReadOnly(file_name_);
+  // When the width and height are zero, we should expect the width and height
+  // in IvfHeader to be kDefaultWidth and kDefaultHeight instead of kWidth and
+  // kHeight.
+  VerifyIvfHeader(&out_file, fourcc, kDefaultWidth, kDefaultHeight,
+                  kNumFramesToFit, true);
+  VerifyDummyTestFrames(&out_file, kNumFramesToFit);
+
+  out_file.Close();
+}
+
+TEST_F(IvfFileWriterTest, UseDefaultValueWhenOnlyWidthIsZero) {
+  const uint8_t fourcc[4] = {'V', 'P', '8', '0'};
+  const int kWidth = 0;
+  const int kHeight = 360;
+  const int kNumFramesToWrite = 2;
+  const int kNumFramesToFit = 1;
+
+  file_writer_ = IvfFileWriter::Wrap(
+      FileWrapper::OpenWriteOnly(file_name_),
+      kHeaderSize +
+          kNumFramesToFit * (kFrameHeaderSize + sizeof(dummy_payload)));
+  ASSERT_TRUE(file_writer_.get());
+
+  ASSERT_FALSE(WriteDummyTestFrames(kVideoCodecVP8, kWidth, kHeight,
+                                    kNumFramesToWrite, true));
+  ASSERT_FALSE(file_writer_->Close());
+
+  FileWrapper out_file = FileWrapper::OpenReadOnly(file_name_);
+  // When the width and height are zero, we should expect the width and height
+  // in IvfHeader to be kDefaultWidth and kDefaultHeight instead of kWidth and
+  // kHeight.
+  VerifyIvfHeader(&out_file, fourcc, kDefaultWidth, kDefaultHeight,
+                  kNumFramesToFit, true);
+  VerifyDummyTestFrames(&out_file, kNumFramesToFit);
+
+  out_file.Close();
+}
+
+TEST_F(IvfFileWriterTest, UseDefaultValueWhenOnlyHeightIsZero) {
+  const uint8_t fourcc[4] = {'V', 'P', '8', '0'};
+  const int kWidth = 240;
+  const int kHeight = 0;
+  const int kNumFramesToWrite = 2;
+  const int kNumFramesToFit = 1;
+
+  file_writer_ = IvfFileWriter::Wrap(
+      FileWrapper::OpenWriteOnly(file_name_),
+      kHeaderSize +
+          kNumFramesToFit * (kFrameHeaderSize + sizeof(dummy_payload)));
+  ASSERT_TRUE(file_writer_.get());
+
+  ASSERT_FALSE(WriteDummyTestFrames(kVideoCodecVP8, kWidth, kHeight,
+                                    kNumFramesToWrite, true));
+  ASSERT_FALSE(file_writer_->Close());
+
+  FileWrapper out_file = FileWrapper::OpenReadOnly(file_name_);
+  // When the width and height are zero, we should expect the width and height
+  // in IvfHeader to be kDefaultWidth and kDefaultHeight instead of kWidth and
+  // kHeight.
+  VerifyIvfHeader(&out_file, fourcc, kDefaultWidth, kDefaultHeight,
+                  kNumFramesToFit, true);
+  VerifyDummyTestFrames(&out_file, kNumFramesToFit);
+
+  out_file.Close();
+}
+
+TEST_F(IvfFileWriterTest, UseDefaultValueWhenHeightAndWidthAreNotZero) {
+  const uint8_t fourcc[4] = {'V', 'P', '8', '0'};
+  const int kWidth = 360;
+  const int kHeight = 240;
+  const int kNumFramesToWrite = 2;
+  const int kNumFramesToFit = 1;
+
+  file_writer_ = IvfFileWriter::Wrap(
+      FileWrapper::OpenWriteOnly(file_name_),
+      kHeaderSize +
+          kNumFramesToFit * (kFrameHeaderSize + sizeof(dummy_payload)));
+  ASSERT_TRUE(file_writer_.get());
+
+  ASSERT_FALSE(WriteDummyTestFrames(kVideoCodecVP8, kWidth, kHeight,
+                                    kNumFramesToWrite, true));
+  ASSERT_FALSE(file_writer_->Close());
+
+  FileWrapper out_file = FileWrapper::OpenReadOnly(file_name_);
+  VerifyIvfHeader(&out_file, fourcc, kWidth, kHeight, kNumFramesToFit, true);
+  VerifyDummyTestFrames(&out_file, kNumFramesToFit);
+
+  out_file.Close();
+}
+
+}  // namespace webrtc