| /* |
| * Copyright (c) 2019 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/rtp_rtcp/source/absolute_capture_time_sender.h" |
| |
| #include "system_wrappers/include/ntp_time.h" |
| #include "test/gmock.h" |
| #include "test/gtest.h" |
| |
| namespace webrtc { |
| |
| TEST(AbsoluteCaptureTimeSenderTest, GetSourceWithoutCsrcs) { |
| constexpr uint32_t kSsrc = 12; |
| |
| EXPECT_EQ(AbsoluteCaptureTimeSender::GetSource(kSsrc, nullptr), kSsrc); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, GetSourceWithCsrcs) { |
| constexpr uint32_t kSsrc = 12; |
| constexpr uint32_t kCsrcs[] = {34, 56, 78, 90}; |
| |
| EXPECT_EQ(AbsoluteCaptureTimeSender::GetSource(kSsrc, kCsrcs), kCsrcs[0]); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, InterpolateLaterPacketSentLater) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 + 1280; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 + 2560; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 40), Int64MsToQ32x32(-350)}; |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| absl::nullopt); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| absl::nullopt); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, InterpolateEarlierPacketSentLater) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 - 1280; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 - 2560; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 - 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 - 40), Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| absl::nullopt); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| absl::nullopt); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, |
| InterpolateLaterPacketSentLaterWithRtpTimestampWrapAround) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = ~uint32_t{0} - 79; |
| constexpr uint32_t kRtpTimestamp1 = 1280 - 80; |
| constexpr uint32_t kRtpTimestamp2 = 2560 - 80; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 40), Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| absl::nullopt); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| absl::nullopt); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, |
| InterpolateEarlierPacketSentLaterWithRtpTimestampWrapAround) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = 799; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 - 1280; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 - 2560; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 - 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 - 40), Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| absl::nullopt); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| absl::nullopt); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, SkipInterpolateIfTooLate) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 + 1280; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 + 2560; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 40), Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| clock.AdvanceTime(AbsoluteCaptureTimeSender::kInterpolationMaxInterval); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| absl::nullopt); |
| |
| clock.AdvanceTimeMicroseconds(1); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| kExtension2); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, SkipInterpolateIfSourceChanged) { |
| constexpr uint32_t kSource0 = 1337; |
| constexpr uint32_t kSource1 = 1338; |
| constexpr uint32_t kSource2 = 1338; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 + 1280; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 + 2560; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 40), Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource0, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource1, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| kExtension1); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource2, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| absl::nullopt); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, SkipInterpolateIfRtpClockFrequencyChanged) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency0 = 64000; |
| constexpr uint32_t kRtpClockFrequency1 = 32000; |
| constexpr uint32_t kRtpClockFrequency2 = 32000; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 + 640; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 + 1280; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 40), Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency0, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency1, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| kExtension1); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency2, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| absl::nullopt); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, |
| SkipInterpolateIfRtpClockFrequencyIsInvalid) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency0 = 0; |
| constexpr uint32_t kRtpClockFrequency1 = 0; |
| constexpr uint32_t kRtpClockFrequency2 = 0; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 20), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 40), Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency0, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency1, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| kExtension1); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency2, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| kExtension2); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, |
| SkipInterpolateIfEstimatedCaptureClockOffsetChanged) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 + 1280; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 + 2560; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 20), Int64MsToQ32x32(370)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000 + 40), absl::nullopt}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| kExtension1); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| kExtension2); |
| } |
| |
| TEST(AbsoluteCaptureTimeSenderTest, |
| SkipInterpolateIfTooMuchInterpolationError) { |
| constexpr uint32_t kSource = 1337; |
| constexpr uint32_t kRtpClockFrequency = 64000; |
| constexpr uint32_t kRtpTimestamp0 = 1020300000; |
| constexpr uint32_t kRtpTimestamp1 = kRtpTimestamp0 + 1280; |
| constexpr uint32_t kRtpTimestamp2 = kRtpTimestamp0 + 2560; |
| static const absl::optional<AbsoluteCaptureTime> kExtension0 = |
| AbsoluteCaptureTime{Int64MsToUQ32x32(9000), Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension1 = |
| AbsoluteCaptureTime{ |
| Int64MsToUQ32x32( |
| 9000 + 20 + |
| AbsoluteCaptureTimeSender::kInterpolationMaxError.ms()), |
| Int64MsToQ32x32(-350)}; |
| static const absl::optional<AbsoluteCaptureTime> kExtension2 = |
| AbsoluteCaptureTime{ |
| Int64MsToUQ32x32( |
| 9000 + 40 + |
| AbsoluteCaptureTimeSender::kInterpolationMaxError.ms() + 1), |
| Int64MsToQ32x32(-350)}; |
| |
| SimulatedClock clock(0); |
| AbsoluteCaptureTimeSender sender(&clock); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp0, kRtpClockFrequency, |
| kExtension0->absolute_capture_timestamp, |
| kExtension0->estimated_capture_clock_offset), |
| kExtension0); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp1, kRtpClockFrequency, |
| kExtension1->absolute_capture_timestamp, |
| kExtension1->estimated_capture_clock_offset), |
| absl::nullopt); |
| |
| EXPECT_EQ(sender.OnSendPacket(kSource, kRtpTimestamp2, kRtpClockFrequency, |
| kExtension2->absolute_capture_timestamp, |
| kExtension2->estimated_capture_clock_offset), |
| kExtension2); |
| } |
| |
| } // namespace webrtc |