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Add RtpPacket test for the abs-capture-time extension

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Clarify when the RTP header extension can be set depending on the
value of the `extmap-allow-mixed` option and on whether the header
extension ID is for one-byte or two-bytes extensions.

Bug: b/270541827
Change-Id: I4b939f6862d1f19cbfea11518a1cc1507beb2362
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/294920
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39399}
This commit is contained in:
Alessio Bazzica 2023-02-27 11:04:42 +01:00 committed by WebRTC LUCI CQ
parent 72b11a407a
commit ba3a1e2c26
1 changed files with 21 additions and 11 deletions
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32
modules/rtp_rtcp/source/rtp_packet_unittest.cc
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@ -37,6 +37,7 @@ constexpr uint8_t kAudioLevelExtensionId = 9;
constexpr uint8_t kRtpStreamIdExtensionId = 0xa;
constexpr uint8_t kRtpMidExtensionId = 0xb;
constexpr uint8_t kVideoTimingExtensionId = 0xc;
// ID for two-bytes header extensions. See RFC8285 section 4.3.
constexpr uint8_t kTwoByteExtensionId = 0xf0;
constexpr int32_t kTimeOffset = 0x56ce;
constexpr bool kVoiceActive = true;
@ -45,6 +46,7 @@ constexpr char kStreamId[] = "streamid";
constexpr char kMid[] = "mid";
constexpr char kLongMid[] = "extra-long string to test two-byte header";
constexpr size_t kMaxPaddingSize = 224u;
// clang-format off
constexpr uint8_t kMinimumPacket[] = {
0x80, kPayloadType, kSeqNumFirstByte, kSeqNumSecondByte,
@ -189,7 +191,7 @@ constexpr uint8_t kPacketWithLegacyTimingExtension[] = {
void TestCreateAndParseColorSpaceExtension(bool with_hdr_metadata) {
// Create packet with extension.
RtpPacket::ExtensionManager extensions(/*extmap-allow-mixed=*/true);
RtpPacket::ExtensionManager extensions(/*extmap_allow_mixed=*/true);
extensions.Register<ColorSpaceExtension>(1);
RtpPacket packet(&extensions);
const ColorSpace kColorSpace = CreateTestColorSpace(with_hdr_metadata);
@ -241,7 +243,7 @@ TEST(RtpPacketTest, CreateWith2Extensions) {
}
TEST(RtpPacketTest, CreateWithTwoByteHeaderExtensionFirst) {
RtpPacketToSend::ExtensionManager extensions(true);
RtpPacketToSend::ExtensionManager extensions(/*extmap_allow_mixed=*/true);
extensions.Register<TransmissionOffset>(kTransmissionOffsetExtensionId);
extensions.Register<AudioLevel>(kAudioLevelExtensionId);
extensions.Register<PlayoutDelayLimits>(kTwoByteExtensionId);
@ -261,7 +263,7 @@ TEST(RtpPacketTest, CreateWithTwoByteHeaderExtensionFirst) {
TEST(RtpPacketTest, CreateWithTwoByteHeaderExtensionLast) {
// This test will trigger RtpPacket::PromoteToTwoByteHeaderExtension().
RtpPacketToSend::ExtensionManager extensions(true);
RtpPacketToSend::ExtensionManager extensions(/*extmap_allow_mixed=*/true);
extensions.Register<TransmissionOffset>(kTransmissionOffsetExtensionId);
extensions.Register<AudioLevel>(kAudioLevelExtensionId);
extensions.Register<PlayoutDelayLimits>(kTwoByteExtensionId);
@ -333,6 +335,14 @@ TEST(RtpPacketTest, TryToCreateTwoByteHeaderNotSupported) {
EXPECT_FALSE(packet.SetExtension<AudioLevel>(kVoiceActive, kAudioLevel));
}
TEST(RtpPacketTest, CreateTwoByteHeaderSupportedIfExtmapAllowMixed) {
RtpPacketToSend::ExtensionManager extensions(/*extmap_allow_mixed=*/true);
extensions.Register<AudioLevel>(kTwoByteExtensionId);
RtpPacketToSend packet(&extensions);
// Set extension that requires two-byte header.
EXPECT_TRUE(packet.SetExtension<AudioLevel>(kVoiceActive, kAudioLevel));
}
TEST(RtpPacketTest, CreateWithMaxSizeHeaderExtension) {
const std::string kValue = "123456789abcdef";
RtpPacket::ExtensionManager extensions;
@ -954,9 +964,8 @@ TEST(RtpPacketTest, CreateAndParseColorSpaceExtensionWithoutHdrMetadata) {
TEST(RtpPacketTest, CreateAndParseAbsoluteCaptureTime) {
// Create a packet with absolute capture time extension populated.
RtpPacketToSend::ExtensionManager extensions;
constexpr int kExtensionId = 1;
extensions.Register<AbsoluteCaptureTimeExtension>(kExtensionId);
RtpPacketToSend::ExtensionManager extensions(/*extmap_allow_mixed=*/true);
extensions.Register<AbsoluteCaptureTimeExtension>(kTwoByteExtensionId);
RtpPacketToSend send_packet(&extensions);
send_packet.SetPayloadType(kPayloadType);
send_packet.SetSequenceNumber(kSeqNum);
@ -966,7 +975,8 @@ TEST(RtpPacketTest, CreateAndParseAbsoluteCaptureTime) {
constexpr AbsoluteCaptureTime kAbsoluteCaptureTime{
/*absolute_capture_timestamp=*/9876543210123456789ULL,
/*estimated_capture_clock_offset=*/-1234567890987654321LL};
send_packet.SetExtension<AbsoluteCaptureTimeExtension>(kAbsoluteCaptureTime);
ASSERT_TRUE(send_packet.SetExtension<AbsoluteCaptureTimeExtension>(
kAbsoluteCaptureTime));
// Serialize the packet and then parse it again.
RtpPacketReceived receive_packet(&extensions);
@ -984,9 +994,8 @@ TEST(RtpPacketTest, CreateAndParseAbsoluteCaptureTime) {
TEST(RtpPacketTest,
CreateAndParseAbsoluteCaptureTimeWithoutEstimatedCaptureClockOffset) {
// Create a packet with absolute capture time extension populated.
RtpPacketToSend::ExtensionManager extensions;
constexpr int kExtensionId = 1;
extensions.Register<AbsoluteCaptureTimeExtension>(kExtensionId);
RtpPacketToSend::ExtensionManager extensions(/*extmap_allow_mixed=*/true);
extensions.Register<AbsoluteCaptureTimeExtension>(kTwoByteExtensionId);
RtpPacketToSend send_packet(&extensions);
send_packet.SetPayloadType(kPayloadType);
send_packet.SetSequenceNumber(kSeqNum);
@ -996,7 +1005,8 @@ TEST(RtpPacketTest,
constexpr AbsoluteCaptureTime kAbsoluteCaptureTime{
/*absolute_capture_timestamp=*/9876543210123456789ULL,
/*estimated_capture_clock_offset=*/absl::nullopt};
send_packet.SetExtension<AbsoluteCaptureTimeExtension>(kAbsoluteCaptureTime);
ASSERT_TRUE(send_packet.SetExtension<AbsoluteCaptureTimeExtension>(
kAbsoluteCaptureTime));
// Serialize the packet and then parse it again.
RtpPacketReceived receive_packet(&extensions);