| /* |
| * Copyright 2017 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 "video/rtp_video_stream_receiver.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "api/video/video_codec_type.h" |
| #include "api/video/video_frame_type.h" |
| #include "call/test/mock_rtp_packet_sink_interface.h" |
| #include "common_video/h264/h264_common.h" |
| #include "media/base/media_constants.h" |
| #include "modules/rtp_rtcp/source/rtp_descriptor_authentication.h" |
| #include "modules/rtp_rtcp/source/rtp_format.h" |
| #include "modules/rtp_rtcp/source/rtp_format_vp9.h" |
| #include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor.h" |
| #include "modules/rtp_rtcp/source/rtp_generic_frame_descriptor_extension.h" |
| #include "modules/rtp_rtcp/source/rtp_header_extensions.h" |
| #include "modules/rtp_rtcp/source/rtp_packet_received.h" |
| #include "modules/rtp_rtcp/source/rtp_packet_to_send.h" |
| #include "modules/utility/include/process_thread.h" |
| #include "modules/video_coding/frame_object.h" |
| #include "modules/video_coding/include/video_coding_defines.h" |
| #include "modules/video_coding/rtp_frame_reference_finder.h" |
| #include "rtc_base/byte_buffer.h" |
| #include "rtc_base/logging.h" |
| #include "system_wrappers/include/clock.h" |
| #include "system_wrappers/include/field_trial.h" |
| #include "test/field_trial.h" |
| #include "test/gmock.h" |
| #include "test/gtest.h" |
| #include "test/mock_frame_transformer.h" |
| #include "test/mock_transport.h" |
| |
| using ::testing::_; |
| using ::testing::ElementsAre; |
| using ::testing::Invoke; |
| using ::testing::SizeIs; |
| using ::testing::Values; |
| |
| namespace webrtc { |
| |
| namespace { |
| |
| const uint8_t kH264StartCode[] = {0x00, 0x00, 0x00, 0x01}; |
| |
| std::vector<uint64_t> GetAbsoluteCaptureTimestamps(const EncodedFrame* frame) { |
| std::vector<uint64_t> result; |
| for (const auto& packet_info : frame->PacketInfos()) { |
| if (packet_info.absolute_capture_time()) { |
| result.push_back( |
| packet_info.absolute_capture_time()->absolute_capture_timestamp); |
| } |
| } |
| return result; |
| } |
| |
| RTPVideoHeader GetGenericVideoHeader(VideoFrameType frame_type) { |
| RTPVideoHeader video_header; |
| video_header.is_first_packet_in_frame = true; |
| video_header.is_last_packet_in_frame = true; |
| video_header.codec = kVideoCodecGeneric; |
| video_header.frame_type = frame_type; |
| return video_header; |
| } |
| |
| class MockNackSender : public NackSender { |
| public: |
| MOCK_METHOD(void, |
| SendNack, |
| (const std::vector<uint16_t>& sequence_numbers, |
| bool buffering_allowed), |
| (override)); |
| }; |
| |
| class MockKeyFrameRequestSender : public KeyFrameRequestSender { |
| public: |
| MOCK_METHOD(void, RequestKeyFrame, (), (override)); |
| }; |
| |
| class MockOnCompleteFrameCallback |
| : public RtpVideoStreamReceiver::OnCompleteFrameCallback { |
| public: |
| MOCK_METHOD(void, DoOnCompleteFrame, (EncodedFrame*), ()); |
| MOCK_METHOD(void, DoOnCompleteFrameFailNullptr, (EncodedFrame*), ()); |
| MOCK_METHOD(void, DoOnCompleteFrameFailLength, (EncodedFrame*), ()); |
| MOCK_METHOD(void, DoOnCompleteFrameFailBitstream, (EncodedFrame*), ()); |
| void OnCompleteFrame(std::unique_ptr<EncodedFrame> frame) override { |
| if (!frame) { |
| DoOnCompleteFrameFailNullptr(nullptr); |
| return; |
| } |
| EXPECT_EQ(buffer_.Length(), frame->size()); |
| if (buffer_.Length() != frame->size()) { |
| DoOnCompleteFrameFailLength(frame.get()); |
| return; |
| } |
| if (frame->size() != buffer_.Length() || |
| memcmp(buffer_.Data(), frame->data(), buffer_.Length()) != 0) { |
| DoOnCompleteFrameFailBitstream(frame.get()); |
| return; |
| } |
| DoOnCompleteFrame(frame.get()); |
| } |
| |
| void ClearExpectedBitstream() { buffer_.Clear(); } |
| |
| void AppendExpectedBitstream(const uint8_t data[], size_t size_in_bytes) { |
| // TODO(Johan): Let rtc::ByteBuffer handle uint8_t* instead of char*. |
| buffer_.WriteBytes(reinterpret_cast<const char*>(data), size_in_bytes); |
| } |
| rtc::ByteBufferWriter buffer_; |
| }; |
| |
| constexpr uint32_t kSsrc = 111; |
| constexpr uint16_t kSequenceNumber = 222; |
| constexpr int kPayloadType = 100; |
| constexpr int kRedPayloadType = 125; |
| |
| std::unique_ptr<RtpPacketReceived> CreateRtpPacketReceived() { |
| auto packet = std::make_unique<RtpPacketReceived>(); |
| packet->SetSsrc(kSsrc); |
| packet->SetSequenceNumber(kSequenceNumber); |
| packet->SetPayloadType(kPayloadType); |
| return packet; |
| } |
| |
| MATCHER_P(SamePacketAs, other, "") { |
| return arg.Ssrc() == other.Ssrc() && |
| arg.SequenceNumber() == other.SequenceNumber(); |
| } |
| |
| } // namespace |
| |
| class RtpVideoStreamReceiverTest : public ::testing::Test { |
| public: |
| RtpVideoStreamReceiverTest() : RtpVideoStreamReceiverTest("") {} |
| explicit RtpVideoStreamReceiverTest(std::string field_trials) |
| : override_field_trials_(field_trials), |
| config_(CreateConfig()), |
| process_thread_(ProcessThread::Create("TestThread")) { |
| rtp_receive_statistics_ = |
| ReceiveStatistics::Create(Clock::GetRealTimeClock()); |
| rtp_video_stream_receiver_ = std::make_unique<RtpVideoStreamReceiver>( |
| Clock::GetRealTimeClock(), &mock_transport_, nullptr, nullptr, &config_, |
| rtp_receive_statistics_.get(), nullptr, nullptr, process_thread_.get(), |
| &mock_nack_sender_, &mock_key_frame_request_sender_, |
| &mock_on_complete_frame_callback_, nullptr, nullptr); |
| rtp_video_stream_receiver_->AddReceiveCodec(kPayloadType, |
| kVideoCodecGeneric, {}, |
| /*raw_payload=*/false); |
| } |
| |
| RTPVideoHeader GetDefaultH264VideoHeader() { |
| RTPVideoHeader video_header; |
| video_header.codec = kVideoCodecH264; |
| video_header.video_type_header.emplace<RTPVideoHeaderH264>(); |
| return video_header; |
| } |
| |
| // TODO(Johan): refactor h264_sps_pps_tracker_unittests.cc to avoid duplicate |
| // code. |
| void AddSps(RTPVideoHeader* video_header, |
| uint8_t sps_id, |
| rtc::CopyOnWriteBuffer* data) { |
| NaluInfo info; |
| info.type = H264::NaluType::kSps; |
| info.sps_id = sps_id; |
| info.pps_id = -1; |
| data->AppendData<uint8_t, 2>({H264::NaluType::kSps, sps_id}); |
| auto& h264 = absl::get<RTPVideoHeaderH264>(video_header->video_type_header); |
| h264.nalus[h264.nalus_length++] = info; |
| } |
| |
| void AddPps(RTPVideoHeader* video_header, |
| uint8_t sps_id, |
| uint8_t pps_id, |
| rtc::CopyOnWriteBuffer* data) { |
| NaluInfo info; |
| info.type = H264::NaluType::kPps; |
| info.sps_id = sps_id; |
| info.pps_id = pps_id; |
| data->AppendData<uint8_t, 2>({H264::NaluType::kPps, pps_id}); |
| auto& h264 = absl::get<RTPVideoHeaderH264>(video_header->video_type_header); |
| h264.nalus[h264.nalus_length++] = info; |
| } |
| |
| void AddIdr(RTPVideoHeader* video_header, int pps_id) { |
| NaluInfo info; |
| info.type = H264::NaluType::kIdr; |
| info.sps_id = -1; |
| info.pps_id = pps_id; |
| auto& h264 = absl::get<RTPVideoHeaderH264>(video_header->video_type_header); |
| h264.nalus[h264.nalus_length++] = info; |
| } |
| |
| protected: |
| static VideoReceiveStream::Config CreateConfig() { |
| VideoReceiveStream::Config config(nullptr); |
| config.rtp.remote_ssrc = 1111; |
| config.rtp.local_ssrc = 2222; |
| config.rtp.red_payload_type = kRedPayloadType; |
| return config; |
| } |
| |
| const webrtc::test::ScopedFieldTrials override_field_trials_; |
| VideoReceiveStream::Config config_; |
| MockNackSender mock_nack_sender_; |
| MockKeyFrameRequestSender mock_key_frame_request_sender_; |
| MockTransport mock_transport_; |
| MockOnCompleteFrameCallback mock_on_complete_frame_callback_; |
| std::unique_ptr<ProcessThread> process_thread_; |
| std::unique_ptr<ReceiveStatistics> rtp_receive_statistics_; |
| std::unique_ptr<RtpVideoStreamReceiver> rtp_video_stream_receiver_; |
| }; |
| |
| TEST_F(RtpVideoStreamReceiverTest, CacheColorSpaceFromLastPacketOfKeyframe) { |
| // Test that color space is cached from the last packet of a key frame and |
| // that it's not reset by padding packets without color space. |
| constexpr int kVp9PayloadType = 99; |
| const ColorSpace kColorSpace( |
| ColorSpace::PrimaryID::kFILM, ColorSpace::TransferID::kBT2020_12, |
| ColorSpace::MatrixID::kBT2020_NCL, ColorSpace::RangeID::kFull); |
| const std::vector<uint8_t> kKeyFramePayload = {0, 1, 2, 3, 4, 5, |
| 6, 7, 8, 9, 10}; |
| const std::vector<uint8_t> kDeltaFramePayload = {0, 1, 2, 3, 4}; |
| |
| // Anonymous helper class that generates received packets. |
| class { |
| public: |
| void SetPayload(const std::vector<uint8_t>& payload, |
| VideoFrameType video_frame_type) { |
| video_frame_type_ = video_frame_type; |
| RtpPacketizer::PayloadSizeLimits pay_load_size_limits; |
| // Reduce max payload length to make sure the key frame generates two |
| // packets. |
| pay_load_size_limits.max_payload_len = 8; |
| RTPVideoHeaderVP9 rtp_video_header_vp9; |
| rtp_video_header_vp9.InitRTPVideoHeaderVP9(); |
| rtp_video_header_vp9.inter_pic_predicted = |
| (video_frame_type == VideoFrameType::kVideoFrameDelta); |
| rtp_packetizer_ = std::make_unique<RtpPacketizerVp9>( |
| payload, pay_load_size_limits, rtp_video_header_vp9); |
| } |
| |
| size_t NumPackets() { return rtp_packetizer_->NumPackets(); } |
| void SetColorSpace(const ColorSpace& color_space) { |
| color_space_ = color_space; |
| } |
| |
| RtpPacketReceived NextPacket() { |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<ColorSpaceExtension>(1); |
| RtpPacketToSend packet_to_send(&extension_map); |
| packet_to_send.SetSequenceNumber(sequence_number_++); |
| packet_to_send.SetSsrc(kSsrc); |
| packet_to_send.SetPayloadType(kVp9PayloadType); |
| bool include_color_space = |
| (rtp_packetizer_->NumPackets() == 1u && |
| video_frame_type_ == VideoFrameType::kVideoFrameKey); |
| if (include_color_space) { |
| EXPECT_TRUE( |
| packet_to_send.SetExtension<ColorSpaceExtension>(color_space_)); |
| } |
| rtp_packetizer_->NextPacket(&packet_to_send); |
| |
| RtpPacketReceived received_packet(&extension_map); |
| received_packet.Parse(packet_to_send.data(), packet_to_send.size()); |
| return received_packet; |
| } |
| |
| private: |
| uint16_t sequence_number_ = 0; |
| VideoFrameType video_frame_type_; |
| ColorSpace color_space_; |
| std::unique_ptr<RtpPacketizer> rtp_packetizer_; |
| } received_packet_generator; |
| received_packet_generator.SetColorSpace(kColorSpace); |
| |
| // Prepare the receiver for VP9. |
| std::map<std::string, std::string> codec_params; |
| rtp_video_stream_receiver_->AddReceiveCodec(kVp9PayloadType, kVideoCodecVP9, |
| codec_params, |
| /*raw_payload=*/false); |
| |
| // Generate key frame packets. |
| received_packet_generator.SetPayload(kKeyFramePayload, |
| VideoFrameType::kVideoFrameKey); |
| EXPECT_EQ(received_packet_generator.NumPackets(), 2u); |
| RtpPacketReceived key_frame_packet1 = received_packet_generator.NextPacket(); |
| RtpPacketReceived key_frame_packet2 = received_packet_generator.NextPacket(); |
| |
| // Generate delta frame packet. |
| received_packet_generator.SetPayload(kDeltaFramePayload, |
| VideoFrameType::kVideoFrameDelta); |
| EXPECT_EQ(received_packet_generator.NumPackets(), 1u); |
| RtpPacketReceived delta_frame_packet = received_packet_generator.NextPacket(); |
| |
| rtp_video_stream_receiver_->StartReceive(); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kKeyFramePayload.data(), kKeyFramePayload.size()); |
| |
| // Send the key frame and expect a callback with color space information. |
| EXPECT_FALSE(key_frame_packet1.GetExtension<ColorSpaceExtension>()); |
| EXPECT_TRUE(key_frame_packet2.GetExtension<ColorSpaceExtension>()); |
| rtp_video_stream_receiver_->OnRtpPacket(key_frame_packet1); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)) |
| .WillOnce(Invoke([kColorSpace](EncodedFrame* frame) { |
| ASSERT_TRUE(frame->EncodedImage().ColorSpace()); |
| EXPECT_EQ(*frame->EncodedImage().ColorSpace(), kColorSpace); |
| })); |
| rtp_video_stream_receiver_->OnRtpPacket(key_frame_packet2); |
| // Resend the first key frame packet to simulate padding for example. |
| rtp_video_stream_receiver_->OnRtpPacket(key_frame_packet1); |
| |
| mock_on_complete_frame_callback_.ClearExpectedBitstream(); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kDeltaFramePayload.data(), kDeltaFramePayload.size()); |
| |
| // Expect delta frame to have color space set even though color space not |
| // included in the RTP packet. |
| EXPECT_FALSE(delta_frame_packet.GetExtension<ColorSpaceExtension>()); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)) |
| .WillOnce(Invoke([kColorSpace](EncodedFrame* frame) { |
| ASSERT_TRUE(frame->EncodedImage().ColorSpace()); |
| EXPECT_EQ(*frame->EncodedImage().ColorSpace(), kColorSpace); |
| })); |
| rtp_video_stream_receiver_->OnRtpPacket(delta_frame_packet); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, GenericKeyFrame) { |
| RtpPacketReceived rtp_packet; |
| rtc::CopyOnWriteBuffer data({1, 2, 3, 4}); |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtp_packet.SetSequenceNumber(1); |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameKey); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, PacketInfoIsPropagatedIntoVideoFrames) { |
| constexpr uint64_t kAbsoluteCaptureTimestamp = 12; |
| constexpr int kId0 = 1; |
| |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<AbsoluteCaptureTimeExtension>(kId0); |
| RtpPacketReceived rtp_packet(&extension_map); |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtc::CopyOnWriteBuffer data({1, 2, 3, 4}); |
| rtp_packet.SetSequenceNumber(1); |
| rtp_packet.SetTimestamp(1); |
| rtp_packet.SetSsrc(kSsrc); |
| rtp_packet.SetExtension<AbsoluteCaptureTimeExtension>( |
| AbsoluteCaptureTime{kAbsoluteCaptureTimestamp, |
| /*estimated_capture_clock_offset=*/absl::nullopt}); |
| |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameKey); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)) |
| .WillOnce(Invoke([kAbsoluteCaptureTimestamp](EncodedFrame* frame) { |
| EXPECT_THAT(GetAbsoluteCaptureTimestamps(frame), |
| ElementsAre(kAbsoluteCaptureTimestamp)); |
| })); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, |
| MissingAbsoluteCaptureTimeIsFilledWithExtrapolatedValue) { |
| constexpr uint64_t kAbsoluteCaptureTimestamp = 12; |
| constexpr int kId0 = 1; |
| |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<AbsoluteCaptureTimeExtension>(kId0); |
| RtpPacketReceived rtp_packet(&extension_map); |
| rtp_packet.SetPayloadType(kPayloadType); |
| |
| rtc::CopyOnWriteBuffer data({1, 2, 3, 4}); |
| uint16_t sequence_number = 1; |
| uint32_t rtp_timestamp = 1; |
| rtp_packet.SetSequenceNumber(sequence_number); |
| rtp_packet.SetTimestamp(rtp_timestamp); |
| rtp_packet.SetSsrc(kSsrc); |
| rtp_packet.SetExtension<AbsoluteCaptureTimeExtension>( |
| AbsoluteCaptureTime{kAbsoluteCaptureTimestamp, |
| /*estimated_capture_clock_offset=*/absl::nullopt}); |
| |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameKey); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| |
| // Rtp packet without absolute capture time. |
| rtp_packet = RtpPacketReceived(&extension_map); |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtp_packet.SetSequenceNumber(++sequence_number); |
| rtp_packet.SetTimestamp(++rtp_timestamp); |
| rtp_packet.SetSsrc(kSsrc); |
| |
| // There is no absolute capture time in the second packet. |
| // Expect rtp video stream receiver to extrapolate it for the resulting video |
| // frame using absolute capture time from the previous packet. |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)) |
| .WillOnce(Invoke([](EncodedFrame* frame) { |
| EXPECT_THAT(GetAbsoluteCaptureTimestamps(frame), SizeIs(1)); |
| })); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, NoInfiniteRecursionOnEncapsulatedRedPacket) { |
| const std::vector<uint8_t> data({ |
| 0x80, // RTP version. |
| kRedPayloadType, // Payload type. |
| 0, 0, 0, 0, 0, 0, // Don't care. |
| 0, 0, 0x4, 0x57, // SSRC |
| kRedPayloadType, // RED header. |
| 0, 0, 0, 0, 0 // Don't care. |
| }); |
| RtpPacketReceived packet; |
| EXPECT_TRUE(packet.Parse(data.data(), data.size())); |
| rtp_video_stream_receiver_->StartReceive(); |
| rtp_video_stream_receiver_->OnRtpPacket(packet); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, |
| DropsPacketWithRedPayloadTypeAndEmptyPayload) { |
| const uint8_t kRedPayloadType = 125; |
| config_.rtp.red_payload_type = kRedPayloadType; |
| SetUp(); // re-create rtp_video_stream_receiver with red payload type. |
| // clang-format off |
| const uint8_t data[] = { |
| 0x80, // RTP version. |
| kRedPayloadType, // Payload type. |
| 0, 0, 0, 0, 0, 0, // Don't care. |
| 0, 0, 0x4, 0x57, // SSRC |
| // Empty rtp payload. |
| }; |
| // clang-format on |
| RtpPacketReceived packet; |
| // Manually convert to CopyOnWriteBuffer to be sure capacity == size |
| // and asan bot can catch read buffer overflow. |
| EXPECT_TRUE(packet.Parse(rtc::CopyOnWriteBuffer(data))); |
| rtp_video_stream_receiver_->StartReceive(); |
| rtp_video_stream_receiver_->OnRtpPacket(packet); |
| // Expect asan doesn't find anything. |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, GenericKeyFrameBitstreamError) { |
| RtpPacketReceived rtp_packet; |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtc::CopyOnWriteBuffer data({1, 2, 3, 4}); |
| rtp_packet.SetSequenceNumber(1); |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameKey); |
| constexpr uint8_t expected_bitsteam[] = {1, 2, 3, 0xff}; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| expected_bitsteam, sizeof(expected_bitsteam)); |
| EXPECT_CALL(mock_on_complete_frame_callback_, |
| DoOnCompleteFrameFailBitstream(_)); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| } |
| |
| class RtpVideoStreamReceiverTestH264 |
| : public RtpVideoStreamReceiverTest, |
| public ::testing::WithParamInterface<std::string> { |
| protected: |
| RtpVideoStreamReceiverTestH264() : RtpVideoStreamReceiverTest(GetParam()) {} |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(SpsPpsIdrIsKeyframe, |
| RtpVideoStreamReceiverTestH264, |
| Values("", "WebRTC-SpsPpsIdrIsH264Keyframe/Enabled/")); |
| |
| TEST_P(RtpVideoStreamReceiverTestH264, InBandSpsPps) { |
| rtc::CopyOnWriteBuffer sps_data; |
| RtpPacketReceived rtp_packet; |
| RTPVideoHeader sps_video_header = GetDefaultH264VideoHeader(); |
| AddSps(&sps_video_header, 0, &sps_data); |
| rtp_packet.SetSequenceNumber(0); |
| rtp_packet.SetPayloadType(kPayloadType); |
| sps_video_header.is_first_packet_in_frame = true; |
| sps_video_header.frame_type = VideoFrameType::kEmptyFrame; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(sps_data.data(), |
| sps_data.size()); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(sps_data, rtp_packet, |
| sps_video_header); |
| |
| rtc::CopyOnWriteBuffer pps_data; |
| RTPVideoHeader pps_video_header = GetDefaultH264VideoHeader(); |
| AddPps(&pps_video_header, 0, 1, &pps_data); |
| rtp_packet.SetSequenceNumber(1); |
| pps_video_header.is_first_packet_in_frame = true; |
| pps_video_header.frame_type = VideoFrameType::kEmptyFrame; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(pps_data.data(), |
| pps_data.size()); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(pps_data, rtp_packet, |
| pps_video_header); |
| |
| rtc::CopyOnWriteBuffer idr_data; |
| RTPVideoHeader idr_video_header = GetDefaultH264VideoHeader(); |
| AddIdr(&idr_video_header, 1); |
| rtp_packet.SetSequenceNumber(2); |
| idr_video_header.is_first_packet_in_frame = true; |
| idr_video_header.is_last_packet_in_frame = true; |
| idr_video_header.frame_type = VideoFrameType::kVideoFrameKey; |
| const uint8_t idr[] = {0x65, 1, 2, 3}; |
| idr_data.AppendData(idr); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(idr_data.data(), |
| idr_data.size()); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(idr_data, rtp_packet, |
| idr_video_header); |
| } |
| |
| TEST_P(RtpVideoStreamReceiverTestH264, OutOfBandFmtpSpsPps) { |
| constexpr int kPayloadType = 99; |
| std::map<std::string, std::string> codec_params; |
| // Example parameter sets from https://tools.ietf.org/html/rfc3984#section-8.2 |
| // . |
| codec_params.insert( |
| {cricket::kH264FmtpSpropParameterSets, "Z0IACpZTBYmI,aMljiA=="}); |
| rtp_video_stream_receiver_->AddReceiveCodec(kPayloadType, kVideoCodecH264, |
| codec_params, |
| /*raw_payload=*/false); |
| const uint8_t binary_sps[] = {0x67, 0x42, 0x00, 0x0a, 0x96, |
| 0x53, 0x05, 0x89, 0x88}; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(binary_sps, |
| sizeof(binary_sps)); |
| const uint8_t binary_pps[] = {0x68, 0xc9, 0x63, 0x88}; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(binary_pps, |
| sizeof(binary_pps)); |
| |
| RtpPacketReceived rtp_packet; |
| RTPVideoHeader video_header = GetDefaultH264VideoHeader(); |
| AddIdr(&video_header, 0); |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtp_packet.SetSequenceNumber(2); |
| video_header.is_first_packet_in_frame = true; |
| video_header.is_last_packet_in_frame = true; |
| video_header.codec = kVideoCodecH264; |
| video_header.frame_type = VideoFrameType::kVideoFrameKey; |
| rtc::CopyOnWriteBuffer data({1, 2, 3}); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| } |
| |
| TEST_P(RtpVideoStreamReceiverTestH264, ForceSpsPpsIdrIsKeyframe) { |
| constexpr int kPayloadType = 99; |
| std::map<std::string, std::string> codec_params; |
| if (GetParam() == |
| "") { // Forcing can be done either with field trial or codec_params. |
| codec_params.insert({cricket::kH264FmtpSpsPpsIdrInKeyframe, ""}); |
| } |
| rtp_video_stream_receiver_->AddReceiveCodec(kPayloadType, kVideoCodecH264, |
| codec_params, |
| /*raw_payload=*/false); |
| rtc::CopyOnWriteBuffer sps_data; |
| RtpPacketReceived rtp_packet; |
| RTPVideoHeader sps_video_header = GetDefaultH264VideoHeader(); |
| AddSps(&sps_video_header, 0, &sps_data); |
| rtp_packet.SetSequenceNumber(0); |
| rtp_packet.SetPayloadType(kPayloadType); |
| sps_video_header.is_first_packet_in_frame = true; |
| sps_video_header.frame_type = VideoFrameType::kEmptyFrame; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(sps_data.data(), |
| sps_data.size()); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(sps_data, rtp_packet, |
| sps_video_header); |
| |
| rtc::CopyOnWriteBuffer pps_data; |
| RTPVideoHeader pps_video_header = GetDefaultH264VideoHeader(); |
| AddPps(&pps_video_header, 0, 1, &pps_data); |
| rtp_packet.SetSequenceNumber(1); |
| pps_video_header.is_first_packet_in_frame = true; |
| pps_video_header.frame_type = VideoFrameType::kEmptyFrame; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(pps_data.data(), |
| pps_data.size()); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(pps_data, rtp_packet, |
| pps_video_header); |
| |
| rtc::CopyOnWriteBuffer idr_data; |
| RTPVideoHeader idr_video_header = GetDefaultH264VideoHeader(); |
| AddIdr(&idr_video_header, 1); |
| rtp_packet.SetSequenceNumber(2); |
| idr_video_header.is_first_packet_in_frame = true; |
| idr_video_header.is_last_packet_in_frame = true; |
| idr_video_header.frame_type = VideoFrameType::kVideoFrameKey; |
| const uint8_t idr[] = {0x65, 1, 2, 3}; |
| idr_data.AppendData(idr); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(idr_data.data(), |
| idr_data.size()); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce( |
| [&](EncodedFrame* frame) { EXPECT_TRUE(frame->is_keyframe()); }); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(idr_data, rtp_packet, |
| idr_video_header); |
| mock_on_complete_frame_callback_.ClearExpectedBitstream(); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream( |
| kH264StartCode, sizeof(kH264StartCode)); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(idr_data.data(), |
| idr_data.size()); |
| rtp_packet.SetSequenceNumber(3); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce( |
| [&](EncodedFrame* frame) { EXPECT_FALSE(frame->is_keyframe()); }); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(idr_data, rtp_packet, |
| idr_video_header); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, PaddingInMediaStream) { |
| RtpPacketReceived rtp_packet; |
| RTPVideoHeader video_header = GetDefaultH264VideoHeader(); |
| rtc::CopyOnWriteBuffer data({1, 2, 3}); |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtp_packet.SetSequenceNumber(2); |
| video_header.is_first_packet_in_frame = true; |
| video_header.is_last_packet_in_frame = true; |
| video_header.codec = kVideoCodecGeneric; |
| video_header.frame_type = VideoFrameType::kVideoFrameKey; |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| |
| rtp_packet.SetSequenceNumber(3); |
| rtp_video_stream_receiver_->OnReceivedPayloadData({}, rtp_packet, |
| video_header); |
| |
| rtp_packet.SetSequenceNumber(4); |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)); |
| video_header.frame_type = VideoFrameType::kVideoFrameDelta; |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| |
| rtp_packet.SetSequenceNumber(6); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)); |
| rtp_packet.SetSequenceNumber(5); |
| rtp_video_stream_receiver_->OnReceivedPayloadData({}, rtp_packet, |
| video_header); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, RequestKeyframeIfFirstFrameIsDelta) { |
| RtpPacketReceived rtp_packet; |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtc::CopyOnWriteBuffer data({1, 2, 3, 4}); |
| rtp_packet.SetSequenceNumber(1); |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameDelta); |
| EXPECT_CALL(mock_key_frame_request_sender_, RequestKeyFrame()); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, RequestKeyframeWhenPacketBufferGetsFull) { |
| constexpr int kPacketBufferMaxSize = 2048; |
| |
| RtpPacketReceived rtp_packet; |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtc::CopyOnWriteBuffer data({1, 2, 3, 4}); |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameDelta); |
| // Incomplete frames so that the packet buffer is filling up. |
| video_header.is_last_packet_in_frame = false; |
| uint16_t start_sequence_number = 1234; |
| rtp_packet.SetSequenceNumber(start_sequence_number); |
| while (rtp_packet.SequenceNumber() - start_sequence_number < |
| kPacketBufferMaxSize) { |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| rtp_packet.SetSequenceNumber(rtp_packet.SequenceNumber() + 2); |
| } |
| |
| EXPECT_CALL(mock_key_frame_request_sender_, RequestKeyFrame()); |
| rtp_video_stream_receiver_->OnReceivedPayloadData(data, rtp_packet, |
| video_header); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, SecondarySinksGetRtpNotifications) { |
| rtp_video_stream_receiver_->StartReceive(); |
| |
| MockRtpPacketSink secondary_sink_1; |
| MockRtpPacketSink secondary_sink_2; |
| |
| rtp_video_stream_receiver_->AddSecondarySink(&secondary_sink_1); |
| rtp_video_stream_receiver_->AddSecondarySink(&secondary_sink_2); |
| |
| auto rtp_packet = CreateRtpPacketReceived(); |
| EXPECT_CALL(secondary_sink_1, OnRtpPacket(SamePacketAs(*rtp_packet))); |
| EXPECT_CALL(secondary_sink_2, OnRtpPacket(SamePacketAs(*rtp_packet))); |
| |
| rtp_video_stream_receiver_->OnRtpPacket(*rtp_packet); |
| |
| // Test tear-down. |
| rtp_video_stream_receiver_->StopReceive(); |
| rtp_video_stream_receiver_->RemoveSecondarySink(&secondary_sink_1); |
| rtp_video_stream_receiver_->RemoveSecondarySink(&secondary_sink_2); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, RemovedSecondarySinksGetNoRtpNotifications) { |
| rtp_video_stream_receiver_->StartReceive(); |
| |
| MockRtpPacketSink secondary_sink; |
| |
| rtp_video_stream_receiver_->AddSecondarySink(&secondary_sink); |
| rtp_video_stream_receiver_->RemoveSecondarySink(&secondary_sink); |
| |
| auto rtp_packet = CreateRtpPacketReceived(); |
| |
| EXPECT_CALL(secondary_sink, OnRtpPacket(_)).Times(0); |
| |
| rtp_video_stream_receiver_->OnRtpPacket(*rtp_packet); |
| |
| // Test tear-down. |
| rtp_video_stream_receiver_->StopReceive(); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, |
| OnlyRemovedSecondarySinksExcludedFromNotifications) { |
| rtp_video_stream_receiver_->StartReceive(); |
| |
| MockRtpPacketSink kept_secondary_sink; |
| MockRtpPacketSink removed_secondary_sink; |
| |
| rtp_video_stream_receiver_->AddSecondarySink(&kept_secondary_sink); |
| rtp_video_stream_receiver_->AddSecondarySink(&removed_secondary_sink); |
| rtp_video_stream_receiver_->RemoveSecondarySink(&removed_secondary_sink); |
| |
| auto rtp_packet = CreateRtpPacketReceived(); |
| EXPECT_CALL(kept_secondary_sink, OnRtpPacket(SamePacketAs(*rtp_packet))); |
| |
| rtp_video_stream_receiver_->OnRtpPacket(*rtp_packet); |
| |
| // Test tear-down. |
| rtp_video_stream_receiver_->StopReceive(); |
| rtp_video_stream_receiver_->RemoveSecondarySink(&kept_secondary_sink); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, |
| SecondariesOfNonStartedStreamGetNoNotifications) { |
| // Explicitly showing that the stream is not in the `started` state, |
| // regardless of whether streams start out `started` or `stopped`. |
| rtp_video_stream_receiver_->StopReceive(); |
| |
| MockRtpPacketSink secondary_sink; |
| rtp_video_stream_receiver_->AddSecondarySink(&secondary_sink); |
| |
| auto rtp_packet = CreateRtpPacketReceived(); |
| EXPECT_CALL(secondary_sink, OnRtpPacket(_)).Times(0); |
| |
| rtp_video_stream_receiver_->OnRtpPacket(*rtp_packet); |
| |
| // Test tear-down. |
| rtp_video_stream_receiver_->RemoveSecondarySink(&secondary_sink); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, ParseGenericDescriptorOnePacket) { |
| const std::vector<uint8_t> data = {0, 1, 2, 3, 4}; |
| const int kSpatialIndex = 1; |
| |
| rtp_video_stream_receiver_->StartReceive(); |
| |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<RtpGenericFrameDescriptorExtension00>(5); |
| RtpPacketReceived rtp_packet(&extension_map); |
| rtp_packet.SetPayloadType(kPayloadType); |
| |
| RtpGenericFrameDescriptor generic_descriptor; |
| generic_descriptor.SetFirstPacketInSubFrame(true); |
| generic_descriptor.SetLastPacketInSubFrame(true); |
| generic_descriptor.SetFrameId(100); |
| generic_descriptor.SetSpatialLayersBitmask(1 << kSpatialIndex); |
| generic_descriptor.AddFrameDependencyDiff(90); |
| generic_descriptor.AddFrameDependencyDiff(80); |
| ASSERT_TRUE(rtp_packet.SetExtension<RtpGenericFrameDescriptorExtension00>( |
| generic_descriptor)); |
| |
| uint8_t* payload = rtp_packet.SetPayloadSize(data.size()); |
| memcpy(payload, data.data(), data.size()); |
| // The first byte is the header, so we ignore the first byte of `data`. |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data() + 1, |
| data.size() - 1); |
| |
| rtp_packet.SetMarker(true); |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtp_packet.SetSequenceNumber(1); |
| |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce(Invoke([kSpatialIndex](EncodedFrame* frame) { |
| EXPECT_EQ(frame->num_references, 2U); |
| EXPECT_EQ(frame->references[0], frame->Id() - 90); |
| EXPECT_EQ(frame->references[1], frame->Id() - 80); |
| EXPECT_EQ(frame->SpatialIndex(), kSpatialIndex); |
| EXPECT_THAT(frame->PacketInfos(), SizeIs(1)); |
| })); |
| |
| rtp_video_stream_receiver_->OnRtpPacket(rtp_packet); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, ParseGenericDescriptorTwoPackets) { |
| const std::vector<uint8_t> data = {0, 1, 2, 3, 4}; |
| const int kSpatialIndex = 1; |
| |
| rtp_video_stream_receiver_->StartReceive(); |
| |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<RtpGenericFrameDescriptorExtension00>(5); |
| RtpPacketReceived first_packet(&extension_map); |
| |
| RtpGenericFrameDescriptor first_packet_descriptor; |
| first_packet_descriptor.SetFirstPacketInSubFrame(true); |
| first_packet_descriptor.SetLastPacketInSubFrame(false); |
| first_packet_descriptor.SetFrameId(100); |
| first_packet_descriptor.SetSpatialLayersBitmask(1 << kSpatialIndex); |
| first_packet_descriptor.SetResolution(480, 360); |
| ASSERT_TRUE(first_packet.SetExtension<RtpGenericFrameDescriptorExtension00>( |
| first_packet_descriptor)); |
| |
| uint8_t* first_packet_payload = first_packet.SetPayloadSize(data.size()); |
| memcpy(first_packet_payload, data.data(), data.size()); |
| // The first byte is the header, so we ignore the first byte of `data`. |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data() + 1, |
| data.size() - 1); |
| |
| first_packet.SetPayloadType(kPayloadType); |
| first_packet.SetSequenceNumber(1); |
| rtp_video_stream_receiver_->OnRtpPacket(first_packet); |
| |
| RtpPacketReceived second_packet(&extension_map); |
| RtpGenericFrameDescriptor second_packet_descriptor; |
| second_packet_descriptor.SetFirstPacketInSubFrame(false); |
| second_packet_descriptor.SetLastPacketInSubFrame(true); |
| ASSERT_TRUE(second_packet.SetExtension<RtpGenericFrameDescriptorExtension00>( |
| second_packet_descriptor)); |
| |
| second_packet.SetMarker(true); |
| second_packet.SetPayloadType(kPayloadType); |
| second_packet.SetSequenceNumber(2); |
| |
| uint8_t* second_packet_payload = second_packet.SetPayloadSize(data.size()); |
| memcpy(second_packet_payload, data.data(), data.size()); |
| // The first byte is the header, so we ignore the first byte of `data`. |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data() + 1, |
| data.size() - 1); |
| |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce(Invoke([kSpatialIndex](EncodedFrame* frame) { |
| EXPECT_EQ(frame->num_references, 0U); |
| EXPECT_EQ(frame->SpatialIndex(), kSpatialIndex); |
| EXPECT_EQ(frame->EncodedImage()._encodedWidth, 480u); |
| EXPECT_EQ(frame->EncodedImage()._encodedHeight, 360u); |
| EXPECT_THAT(frame->PacketInfos(), SizeIs(2)); |
| })); |
| |
| rtp_video_stream_receiver_->OnRtpPacket(second_packet); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, ParseGenericDescriptorRawPayload) { |
| const std::vector<uint8_t> data = {0, 1, 2, 3, 4}; |
| const int kRawPayloadType = 123; |
| |
| rtp_video_stream_receiver_->AddReceiveCodec(kRawPayloadType, |
| kVideoCodecGeneric, {}, |
| /*raw_payload=*/true); |
| rtp_video_stream_receiver_->StartReceive(); |
| |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<RtpGenericFrameDescriptorExtension00>(5); |
| RtpPacketReceived rtp_packet(&extension_map); |
| |
| RtpGenericFrameDescriptor generic_descriptor; |
| generic_descriptor.SetFirstPacketInSubFrame(true); |
| generic_descriptor.SetLastPacketInSubFrame(true); |
| ASSERT_TRUE(rtp_packet.SetExtension<RtpGenericFrameDescriptorExtension00>( |
| generic_descriptor)); |
| |
| uint8_t* payload = rtp_packet.SetPayloadSize(data.size()); |
| memcpy(payload, data.data(), data.size()); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| |
| rtp_packet.SetMarker(true); |
| rtp_packet.SetPayloadType(kRawPayloadType); |
| rtp_packet.SetSequenceNumber(1); |
| |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame); |
| rtp_video_stream_receiver_->OnRtpPacket(rtp_packet); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverTest, UnwrapsFrameId) { |
| const std::vector<uint8_t> data = {0, 1, 2, 3, 4}; |
| const int kPayloadType = 123; |
| |
| rtp_video_stream_receiver_->AddReceiveCodec(kPayloadType, kVideoCodecGeneric, |
| {}, |
| /*raw_payload=*/true); |
| rtp_video_stream_receiver_->StartReceive(); |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<RtpGenericFrameDescriptorExtension00>(5); |
| |
| uint16_t rtp_sequence_number = 1; |
| auto inject_packet = [&](uint16_t wrapped_frame_id) { |
| RtpPacketReceived rtp_packet(&extension_map); |
| |
| RtpGenericFrameDescriptor generic_descriptor; |
| generic_descriptor.SetFirstPacketInSubFrame(true); |
| generic_descriptor.SetLastPacketInSubFrame(true); |
| generic_descriptor.SetFrameId(wrapped_frame_id); |
| ASSERT_TRUE(rtp_packet.SetExtension<RtpGenericFrameDescriptorExtension00>( |
| generic_descriptor)); |
| |
| uint8_t* payload = rtp_packet.SetPayloadSize(data.size()); |
| ASSERT_TRUE(payload); |
| memcpy(payload, data.data(), data.size()); |
| mock_on_complete_frame_callback_.ClearExpectedBitstream(); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| rtp_packet.SetMarker(true); |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtp_packet.SetSequenceNumber(++rtp_sequence_number); |
| rtp_video_stream_receiver_->OnRtpPacket(rtp_packet); |
| }; |
| |
| int64_t first_picture_id; |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce([&](EncodedFrame* frame) { first_picture_id = frame->Id(); }); |
| inject_packet(/*wrapped_frame_id=*/0xffff); |
| |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce([&](EncodedFrame* frame) { |
| EXPECT_EQ(frame->Id() - first_picture_id, 3); |
| }); |
| inject_packet(/*wrapped_frame_id=*/0x0002); |
| } |
| |
| class RtpVideoStreamReceiverDependencyDescriptorTest |
| : public RtpVideoStreamReceiverTest { |
| public: |
| RtpVideoStreamReceiverDependencyDescriptorTest() { |
| rtp_video_stream_receiver_->AddReceiveCodec(payload_type_, |
| kVideoCodecGeneric, {}, |
| /*raw_payload=*/true); |
| extension_map_.Register<RtpDependencyDescriptorExtension>(7); |
| rtp_video_stream_receiver_->StartReceive(); |
| } |
| |
| // Returns some valid structure for the DependencyDescriptors. |
| // First template of that structure always fit for a key frame. |
| static FrameDependencyStructure CreateStreamStructure() { |
| FrameDependencyStructure stream_structure; |
| stream_structure.num_decode_targets = 1; |
| stream_structure.templates = { |
| FrameDependencyTemplate().Dtis("S"), |
| FrameDependencyTemplate().Dtis("S").FrameDiffs({1}), |
| }; |
| return stream_structure; |
| } |
| |
| void InjectPacketWith(const FrameDependencyStructure& stream_structure, |
| const DependencyDescriptor& dependency_descriptor) { |
| const std::vector<uint8_t> data = {0, 1, 2, 3, 4}; |
| RtpPacketReceived rtp_packet(&extension_map_); |
| ASSERT_TRUE(rtp_packet.SetExtension<RtpDependencyDescriptorExtension>( |
| stream_structure, dependency_descriptor)); |
| uint8_t* payload = rtp_packet.SetPayloadSize(data.size()); |
| ASSERT_TRUE(payload); |
| memcpy(payload, data.data(), data.size()); |
| mock_on_complete_frame_callback_.ClearExpectedBitstream(); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| rtp_packet.SetMarker(true); |
| rtp_packet.SetPayloadType(payload_type_); |
| rtp_packet.SetSequenceNumber(++rtp_sequence_number_); |
| rtp_video_stream_receiver_->OnRtpPacket(rtp_packet); |
| } |
| |
| private: |
| const int payload_type_ = 123; |
| RtpHeaderExtensionMap extension_map_; |
| uint16_t rtp_sequence_number_ = 321; |
| }; |
| |
| TEST_F(RtpVideoStreamReceiverDependencyDescriptorTest, UnwrapsFrameId) { |
| FrameDependencyStructure stream_structure = CreateStreamStructure(); |
| |
| DependencyDescriptor keyframe_descriptor; |
| keyframe_descriptor.attached_structure = |
| std::make_unique<FrameDependencyStructure>(stream_structure); |
| keyframe_descriptor.frame_dependencies = stream_structure.templates[0]; |
| keyframe_descriptor.frame_number = 0xfff0; |
| // DependencyDescriptor doesn't support reordering delta frame before |
| // keyframe. Thus feed a key frame first, then test reodered delta frames. |
| int64_t first_picture_id; |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce([&](EncodedFrame* frame) { first_picture_id = frame->Id(); }); |
| InjectPacketWith(stream_structure, keyframe_descriptor); |
| |
| DependencyDescriptor deltaframe1_descriptor; |
| deltaframe1_descriptor.frame_dependencies = stream_structure.templates[1]; |
| deltaframe1_descriptor.frame_number = 0xfffe; |
| |
| DependencyDescriptor deltaframe2_descriptor; |
| deltaframe1_descriptor.frame_dependencies = stream_structure.templates[1]; |
| deltaframe2_descriptor.frame_number = 0x0002; |
| |
| // Parser should unwrap frame ids correctly even if packets were reordered by |
| // the network. |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce([&](EncodedFrame* frame) { |
| // 0x0002 - 0xfff0 |
| EXPECT_EQ(frame->Id() - first_picture_id, 18); |
| }) |
| .WillOnce([&](EncodedFrame* frame) { |
| // 0xfffe - 0xfff0 |
| EXPECT_EQ(frame->Id() - first_picture_id, 14); |
| }); |
| InjectPacketWith(stream_structure, deltaframe2_descriptor); |
| InjectPacketWith(stream_structure, deltaframe1_descriptor); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverDependencyDescriptorTest, |
| DropsLateDeltaFramePacketWithDependencyDescriptorExtension) { |
| FrameDependencyStructure stream_structure1 = CreateStreamStructure(); |
| FrameDependencyStructure stream_structure2 = CreateStreamStructure(); |
| // Make sure template ids for these two structures do not collide: |
| // adjust structure_id (that is also used as template id offset). |
| stream_structure1.structure_id = 13; |
| stream_structure2.structure_id = |
| stream_structure1.structure_id + stream_structure1.templates.size(); |
| |
| DependencyDescriptor keyframe1_descriptor; |
| keyframe1_descriptor.attached_structure = |
| std::make_unique<FrameDependencyStructure>(stream_structure1); |
| keyframe1_descriptor.frame_dependencies = stream_structure1.templates[0]; |
| keyframe1_descriptor.frame_number = 1; |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame); |
| InjectPacketWith(stream_structure1, keyframe1_descriptor); |
| |
| // Pass in 2nd key frame with different structure. |
| DependencyDescriptor keyframe2_descriptor; |
| keyframe2_descriptor.attached_structure = |
| std::make_unique<FrameDependencyStructure>(stream_structure2); |
| keyframe2_descriptor.frame_dependencies = stream_structure2.templates[0]; |
| keyframe2_descriptor.frame_number = 3; |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame); |
| InjectPacketWith(stream_structure2, keyframe2_descriptor); |
| |
| // Pass in late delta frame that uses structure of the 1st key frame. |
| DependencyDescriptor deltaframe_descriptor; |
| deltaframe_descriptor.frame_dependencies = stream_structure1.templates[0]; |
| deltaframe_descriptor.frame_number = 2; |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame).Times(0); |
| InjectPacketWith(stream_structure1, deltaframe_descriptor); |
| } |
| |
| TEST_F(RtpVideoStreamReceiverDependencyDescriptorTest, |
| DropsLateKeyFramePacketWithDependencyDescriptorExtension) { |
| FrameDependencyStructure stream_structure1 = CreateStreamStructure(); |
| FrameDependencyStructure stream_structure2 = CreateStreamStructure(); |
| // Make sure template ids for these two structures do not collide: |
| // adjust structure_id (that is also used as template id offset). |
| stream_structure1.structure_id = 13; |
| stream_structure2.structure_id = |
| stream_structure1.structure_id + stream_structure1.templates.size(); |
| |
| DependencyDescriptor keyframe1_descriptor; |
| keyframe1_descriptor.attached_structure = |
| std::make_unique<FrameDependencyStructure>(stream_structure1); |
| keyframe1_descriptor.frame_dependencies = stream_structure1.templates[0]; |
| keyframe1_descriptor.frame_number = 1; |
| |
| DependencyDescriptor keyframe2_descriptor; |
| keyframe2_descriptor.attached_structure = |
| std::make_unique<FrameDependencyStructure>(stream_structure2); |
| keyframe2_descriptor.frame_dependencies = stream_structure2.templates[0]; |
| keyframe2_descriptor.frame_number = 3; |
| |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce( |
| [&](EncodedFrame* frame) { EXPECT_EQ(frame->Id() & 0xFFFF, 3); }); |
| InjectPacketWith(stream_structure2, keyframe2_descriptor); |
| InjectPacketWith(stream_structure1, keyframe1_descriptor); |
| |
| // Pass in delta frame that uses structure of the 2nd key frame. Late key |
| // frame shouldn't block it. |
| DependencyDescriptor deltaframe_descriptor; |
| deltaframe_descriptor.frame_dependencies = stream_structure2.templates[0]; |
| deltaframe_descriptor.frame_number = 4; |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame) |
| .WillOnce( |
| [&](EncodedFrame* frame) { EXPECT_EQ(frame->Id() & 0xFFFF, 4); }); |
| InjectPacketWith(stream_structure2, deltaframe_descriptor); |
| } |
| |
| #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) |
| using RtpVideoStreamReceiverDeathTest = RtpVideoStreamReceiverTest; |
| TEST_F(RtpVideoStreamReceiverDeathTest, RepeatedSecondarySinkDisallowed) { |
| MockRtpPacketSink secondary_sink; |
| |
| rtp_video_stream_receiver_->AddSecondarySink(&secondary_sink); |
| EXPECT_DEATH(rtp_video_stream_receiver_->AddSecondarySink(&secondary_sink), |
| ""); |
| |
| // Test tear-down. |
| rtp_video_stream_receiver_->RemoveSecondarySink(&secondary_sink); |
| } |
| #endif |
| |
| TEST_F(RtpVideoStreamReceiverTest, TransformFrame) { |
| auto mock_frame_transformer = |
| rtc::make_ref_counted<testing::NiceMock<MockFrameTransformer>>(); |
| EXPECT_CALL(*mock_frame_transformer, |
| RegisterTransformedFrameSinkCallback(_, config_.rtp.remote_ssrc)); |
| auto receiver = std::make_unique<RtpVideoStreamReceiver>( |
| Clock::GetRealTimeClock(), &mock_transport_, nullptr, nullptr, &config_, |
| rtp_receive_statistics_.get(), nullptr, nullptr, process_thread_.get(), |
| &mock_nack_sender_, nullptr, &mock_on_complete_frame_callback_, nullptr, |
| mock_frame_transformer); |
| receiver->AddReceiveCodec(kPayloadType, kVideoCodecGeneric, {}, |
| /*raw_payload=*/false); |
| |
| RtpPacketReceived rtp_packet; |
| rtp_packet.SetPayloadType(kPayloadType); |
| rtc::CopyOnWriteBuffer data({1, 2, 3, 4}); |
| rtp_packet.SetSequenceNumber(1); |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameKey); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(data.data(), |
| data.size()); |
| EXPECT_CALL(*mock_frame_transformer, Transform(_)); |
| receiver->OnReceivedPayloadData(data, rtp_packet, video_header); |
| |
| EXPECT_CALL(*mock_frame_transformer, |
| UnregisterTransformedFrameSinkCallback(config_.rtp.remote_ssrc)); |
| receiver = nullptr; |
| } |
| |
| // Test default behavior and when playout delay is overridden by field trial. |
| const VideoPlayoutDelay kTransmittedPlayoutDelay = {100, 200}; |
| const VideoPlayoutDelay kForcedPlayoutDelay = {70, 90}; |
| struct PlayoutDelayOptions { |
| std::string field_trial; |
| VideoPlayoutDelay expected_delay; |
| }; |
| const PlayoutDelayOptions kDefaultBehavior = { |
| /*field_trial=*/"", /*expected_delay=*/kTransmittedPlayoutDelay}; |
| const PlayoutDelayOptions kOverridePlayoutDelay = { |
| /*field_trial=*/"WebRTC-ForcePlayoutDelay/min_ms:70,max_ms:90/", |
| /*expected_delay=*/kForcedPlayoutDelay}; |
| |
| class RtpVideoStreamReceiverTestPlayoutDelay |
| : public RtpVideoStreamReceiverTest, |
| public ::testing::WithParamInterface<PlayoutDelayOptions> { |
| protected: |
| RtpVideoStreamReceiverTestPlayoutDelay() |
| : RtpVideoStreamReceiverTest(GetParam().field_trial) {} |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(PlayoutDelay, |
| RtpVideoStreamReceiverTestPlayoutDelay, |
| Values(kDefaultBehavior, kOverridePlayoutDelay)); |
| |
| TEST_P(RtpVideoStreamReceiverTestPlayoutDelay, PlayoutDelay) { |
| rtc::CopyOnWriteBuffer payload_data({1, 2, 3, 4}); |
| RtpHeaderExtensionMap extension_map; |
| extension_map.Register<PlayoutDelayLimits>(1); |
| RtpPacketToSend packet_to_send(&extension_map); |
| packet_to_send.SetPayloadType(kPayloadType); |
| packet_to_send.SetSequenceNumber(1); |
| |
| // Set playout delay on outgoing packet. |
| EXPECT_TRUE(packet_to_send.SetExtension<PlayoutDelayLimits>( |
| kTransmittedPlayoutDelay)); |
| uint8_t* payload = packet_to_send.AllocatePayload(payload_data.size()); |
| memcpy(payload, payload_data.data(), payload_data.size()); |
| |
| RtpPacketReceived received_packet(&extension_map); |
| received_packet.Parse(packet_to_send.data(), packet_to_send.size()); |
| |
| RTPVideoHeader video_header = |
| GetGenericVideoHeader(VideoFrameType::kVideoFrameKey); |
| mock_on_complete_frame_callback_.AppendExpectedBitstream(payload_data.data(), |
| payload_data.size()); |
| // Expect the playout delay of encoded frame to be the same as the transmitted |
| // playout delay unless it was overridden by a field trial. |
| EXPECT_CALL(mock_on_complete_frame_callback_, DoOnCompleteFrame(_)) |
| .WillOnce(Invoke([expected_playout_delay = |
| GetParam().expected_delay](EncodedFrame* frame) { |
| EXPECT_EQ(frame->EncodedImage().playout_delay_, expected_playout_delay); |
| })); |
| rtp_video_stream_receiver_->OnReceivedPayloadData( |
| received_packet.PayloadBuffer(), received_packet, video_header); |
| } |
| |
| } // namespace webrtc |
