| /* |
| * Copyright (c) 2012 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. |
| */ |
| |
| #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_RTCP_IMPL_H_ |
| #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_RTCP_IMPL_H_ |
| |
| #include <set> |
| #include <utility> |
| #include <vector> |
| |
| #include "webrtc/base/criticalsection.h" |
| #include "webrtc/base/gtest_prod_util.h" |
| #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h" |
| #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
| #include "webrtc/modules/rtp_rtcp/source/packet_loss_stats.h" |
| #include "webrtc/modules/rtp_rtcp/source/rtcp_receiver.h" |
| #include "webrtc/modules/rtp_rtcp/source/rtcp_sender.h" |
| #include "webrtc/modules/rtp_rtcp/source/rtp_sender.h" |
| |
| namespace webrtc { |
| |
| class ModuleRtpRtcpImpl : public RtpRtcp, public RTCPReceiver::ModuleRtpRtcp { |
| public: |
| explicit ModuleRtpRtcpImpl(const RtpRtcp::Configuration& configuration); |
| |
| // Returns the number of milliseconds until the module want a worker thread to |
| // call Process. |
| int64_t TimeUntilNextProcess() override; |
| |
| // Process any pending tasks such as timeouts. |
| void Process() override; |
| |
| // Receiver part. |
| |
| // Called when we receive an RTCP packet. |
| int32_t IncomingRtcpPacket(const uint8_t* incoming_packet, |
| size_t incoming_packet_length) override; |
| |
| void SetRemoteSSRC(uint32_t ssrc) override; |
| |
| // Sender part. |
| |
| int32_t RegisterSendPayload(const CodecInst& voice_codec) override; |
| |
| int32_t RegisterSendPayload(const VideoCodec& video_codec) override; |
| |
| void RegisterVideoSendPayload(int payload_type, |
| const char* payload_name) override; |
| |
| int32_t DeRegisterSendPayload(int8_t payload_type) override; |
| |
| int8_t SendPayloadType() const; |
| |
| // Register RTP header extension. |
| int32_t RegisterSendRtpHeaderExtension(RTPExtensionType type, |
| uint8_t id) override; |
| |
| int32_t DeregisterSendRtpHeaderExtension(RTPExtensionType type) override; |
| |
| // Get start timestamp. |
| uint32_t StartTimestamp() const override; |
| |
| // Configure start timestamp, default is a random number. |
| void SetStartTimestamp(uint32_t timestamp) override; |
| |
| uint16_t SequenceNumber() const override; |
| |
| // Set SequenceNumber, default is a random number. |
| void SetSequenceNumber(uint16_t seq) override; |
| |
| void SetRtpState(const RtpState& rtp_state) override; |
| void SetRtxState(const RtpState& rtp_state) override; |
| RtpState GetRtpState() const override; |
| RtpState GetRtxState() const override; |
| |
| uint32_t SSRC() const override; |
| |
| // Configure SSRC, default is a random number. |
| void SetSSRC(uint32_t ssrc) override; |
| |
| void SetCsrcs(const std::vector<uint32_t>& csrcs) override; |
| |
| RTCPSender::FeedbackState GetFeedbackState(); |
| |
| void SetRtxSendStatus(int mode) override; |
| int RtxSendStatus() const override; |
| |
| void SetRtxSsrc(uint32_t ssrc) override; |
| |
| void SetRtxSendPayloadType(int payload_type, |
| int associated_payload_type) override; |
| |
| // Sends kRtcpByeCode when going from true to false. |
| int32_t SetSendingStatus(bool sending) override; |
| |
| bool Sending() const override; |
| |
| // Drops or relays media packets. |
| void SetSendingMediaStatus(bool sending) override; |
| |
| bool SendingMedia() const override; |
| |
| // Used by the codec module to deliver a video or audio frame for |
| // packetization. |
| bool SendOutgoingData(FrameType frame_type, |
| int8_t payload_type, |
| uint32_t time_stamp, |
| int64_t capture_time_ms, |
| const uint8_t* payload_data, |
| size_t payload_size, |
| const RTPFragmentationHeader* fragmentation, |
| const RTPVideoHeader* rtp_video_header, |
| uint32_t* transport_frame_id_out) override; |
| |
| bool TimeToSendPacket(uint32_t ssrc, |
| uint16_t sequence_number, |
| int64_t capture_time_ms, |
| bool retransmission, |
| int probe_cluster_id) override; |
| |
| // Returns the number of padding bytes actually sent, which can be more or |
| // less than |bytes|. |
| size_t TimeToSendPadding(size_t bytes, int probe_cluster_id) override; |
| |
| // RTCP part. |
| |
| // Get RTCP status. |
| RtcpMode RTCP() const override; |
| |
| // Configure RTCP status i.e on/off. |
| void SetRTCPStatus(RtcpMode method) override; |
| |
| // Set RTCP CName. |
| int32_t SetCNAME(const char* c_name) override; |
| |
| // Get remote CName. |
| int32_t RemoteCNAME(uint32_t remote_ssrc, |
| char c_name[RTCP_CNAME_SIZE]) const override; |
| |
| // Get remote NTP. |
| int32_t RemoteNTP(uint32_t* received_ntp_secs, |
| uint32_t* received_ntp_frac, |
| uint32_t* rtcp_arrival_time_secs, |
| uint32_t* rtcp_arrival_time_frac, |
| uint32_t* rtcp_timestamp) const override; |
| |
| int32_t AddMixedCNAME(uint32_t ssrc, const char* c_name) override; |
| |
| int32_t RemoveMixedCNAME(uint32_t ssrc) override; |
| |
| // Get RoundTripTime. |
| int32_t RTT(uint32_t remote_ssrc, |
| int64_t* rtt, |
| int64_t* avg_rtt, |
| int64_t* min_rtt, |
| int64_t* max_rtt) const override; |
| |
| // Force a send of an RTCP packet. |
| // Normal SR and RR are triggered via the process function. |
| int32_t SendRTCP(RTCPPacketType rtcpPacketType) override; |
| |
| int32_t SendCompoundRTCP( |
| const std::set<RTCPPacketType>& rtcpPacketTypes) override; |
| |
| // Statistics of the amount of data sent and received. |
| int32_t DataCountersRTP(size_t* bytes_sent, |
| uint32_t* packets_sent) const override; |
| |
| void GetSendStreamDataCounters( |
| StreamDataCounters* rtp_counters, |
| StreamDataCounters* rtx_counters) const override; |
| |
| void GetRtpPacketLossStats( |
| bool outgoing, |
| uint32_t ssrc, |
| struct RtpPacketLossStats* loss_stats) const override; |
| |
| // Get received RTCP report, sender info. |
| int32_t RemoteRTCPStat(RTCPSenderInfo* sender_info) override; |
| |
| // Get received RTCP report, report block. |
| int32_t RemoteRTCPStat( |
| std::vector<RTCPReportBlock>* receive_blocks) const override; |
| |
| // (REMB) Receiver Estimated Max Bitrate. |
| bool REMB() const override; |
| |
| void SetREMBStatus(bool enable) override; |
| |
| void SetREMBData(uint32_t bitrate, |
| const std::vector<uint32_t>& ssrcs) override; |
| |
| // (TMMBR) Temporary Max Media Bit Rate. |
| bool TMMBR() const override; |
| |
| void SetTMMBRStatus(bool enable) override; |
| |
| void SetTmmbn(std::vector<rtcp::TmmbItem> bounding_set) override; |
| |
| uint16_t MaxPayloadLength() const override; |
| |
| uint16_t MaxDataPayloadLength() const override; |
| |
| int32_t SetMaxTransferUnit(uint16_t size) override; |
| |
| int32_t SetTransportOverhead(bool tcp, |
| bool ipv6, |
| uint8_t authentication_overhead = 0) override; |
| |
| // (NACK) Negative acknowledgment part. |
| |
| int SelectiveRetransmissions() const override; |
| |
| int SetSelectiveRetransmissions(uint8_t settings) override; |
| |
| // Send a Negative acknowledgment packet. |
| // TODO(philipel): Deprecate SendNACK and use SendNack instead. |
| int32_t SendNACK(const uint16_t* nack_list, uint16_t size) override; |
| |
| void SendNack(const std::vector<uint16_t>& sequence_numbers) override; |
| |
| // Store the sent packets, needed to answer to a negative acknowledgment |
| // requests. |
| void SetStorePacketsStatus(bool enable, uint16_t number_to_store) override; |
| |
| bool StorePackets() const override; |
| |
| // Called on receipt of RTCP report block from remote side. |
| void RegisterRtcpStatisticsCallback( |
| RtcpStatisticsCallback* callback) override; |
| RtcpStatisticsCallback* GetRtcpStatisticsCallback() override; |
| |
| bool SendFeedbackPacket(const rtcp::TransportFeedback& packet) override; |
| // (APP) Application specific data. |
| int32_t SetRTCPApplicationSpecificData(uint8_t sub_type, |
| uint32_t name, |
| const uint8_t* data, |
| uint16_t length) override; |
| |
| // (XR) VOIP metric. |
| int32_t SetRTCPVoIPMetrics(const RTCPVoIPMetric* VoIPMetric) override; |
| |
| // (XR) Receiver reference time report. |
| void SetRtcpXrRrtrStatus(bool enable) override; |
| |
| bool RtcpXrRrtrStatus() const override; |
| |
| // Audio part. |
| |
| // Set audio packet size, used to determine when it's time to send a DTMF |
| // packet in silence (CNG). |
| int32_t SetAudioPacketSize(uint16_t packet_size_samples) override; |
| |
| // Send a TelephoneEvent tone using RFC 2833 (4733). |
| int32_t SendTelephoneEventOutband(uint8_t key, |
| uint16_t time_ms, |
| uint8_t level) override; |
| |
| // Store the audio level in d_bov for header-extension-for-audio-level- |
| // indication. |
| int32_t SetAudioLevel(uint8_t level_d_bov) override; |
| |
| // Video part. |
| |
| int32_t SendRTCPSliceLossIndication(uint8_t picture_id) override; |
| |
| // Set method for requesting a new key frame. |
| int32_t SetKeyFrameRequestMethod(KeyFrameRequestMethod method) override; |
| |
| // Send a request for a keyframe. |
| int32_t RequestKeyFrame() override; |
| |
| void SetGenericFECStatus(bool enable, |
| uint8_t payload_type_red, |
| uint8_t payload_type_fec) override; |
| |
| void GenericFECStatus(bool* enable, |
| uint8_t* payload_type_red, |
| uint8_t* payload_type_fec) override; |
| |
| int32_t SetFecParameters(const FecProtectionParams* delta_params, |
| const FecProtectionParams* key_params) override; |
| |
| bool LastReceivedNTP(uint32_t* NTPsecs, |
| uint32_t* NTPfrac, |
| uint32_t* remote_sr) const; |
| |
| std::vector<rtcp::TmmbItem> BoundingSet(bool* tmmbr_owner); |
| |
| void BitrateSent(uint32_t* total_rate, |
| uint32_t* video_rate, |
| uint32_t* fec_rate, |
| uint32_t* nackRate) const override; |
| |
| // Good state of RTP receiver inform sender. |
| int32_t SendRTCPReferencePictureSelection(uint64_t picture_id) override; |
| |
| void RegisterSendChannelRtpStatisticsCallback( |
| StreamDataCountersCallback* callback) override; |
| StreamDataCountersCallback* GetSendChannelRtpStatisticsCallback() |
| const override; |
| |
| void OnReceivedNack( |
| const std::vector<uint16_t>& nack_sequence_numbers) override; |
| void OnReceivedRtcpReportBlocks( |
| const ReportBlockList& report_blocks) override; |
| void OnRequestSendReport() override; |
| |
| protected: |
| bool UpdateRTCPReceiveInformationTimers(); |
| |
| RTPSender rtp_sender_; |
| |
| RTCPSender rtcp_sender_; |
| RTCPReceiver rtcp_receiver_; |
| |
| Clock* clock_; |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(RtpRtcpImplTest, Rtt); |
| FRIEND_TEST_ALL_PREFIXES(RtpRtcpImplTest, RttForReceiverOnly); |
| int64_t RtcpReportInterval(); |
| void SetRtcpReceiverSsrcs(uint32_t main_ssrc); |
| |
| void set_rtt_ms(int64_t rtt_ms); |
| int64_t rtt_ms() const; |
| |
| bool TimeToSendFullNackList(int64_t now) const; |
| |
| const bool audio_; |
| bool collision_detected_; |
| int64_t last_process_time_; |
| int64_t last_bitrate_process_time_; |
| int64_t last_rtt_process_time_; |
| uint16_t packet_overhead_; |
| |
| // Send side |
| int64_t nack_last_time_sent_full_; |
| uint32_t nack_last_time_sent_full_prev_; |
| uint16_t nack_last_seq_number_sent_; |
| |
| KeyFrameRequestMethod key_frame_req_method_; |
| |
| RemoteBitrateEstimator* remote_bitrate_; |
| |
| RtcpRttStats* rtt_stats_; |
| |
| PacketLossStats send_loss_stats_; |
| PacketLossStats receive_loss_stats_; |
| |
| // The processed RTT from RtcpRttStats. |
| rtc::CriticalSection critical_section_rtt_; |
| int64_t rtt_ms_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_RTCP_IMPL_H_ |