|  | /* | 
|  | *  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_INTERFACE_RTP_RTCP_H_ | 
|  | #define WEBRTC_MODULES_RTP_RTCP_INTERFACE_RTP_RTCP_H_ | 
|  |  | 
|  | #include <vector> | 
|  |  | 
|  | #include "modules/interface/module.h" | 
|  | #include "modules/rtp_rtcp/interface/rtp_rtcp_defines.h" | 
|  |  | 
|  | namespace webrtc { | 
|  | // Forward declarations. | 
|  | class PacedSender; | 
|  | class RemoteBitrateEstimator; | 
|  | class RemoteBitrateObserver; | 
|  | class Transport; | 
|  |  | 
|  | class RtpRtcp : public Module { | 
|  | public: | 
|  | struct Configuration { | 
|  | Configuration(); | 
|  |  | 
|  | /*  id                   - Unique identifier of this RTP/RTCP module object | 
|  | *  audio                - True for a audio version of the RTP/RTCP module | 
|  | *                         object false will create a video version | 
|  | *  clock                - The clock to use to read time. If NULL object | 
|  | *                         will be using the system clock. | 
|  | *  incoming_data        - Callback object that will receive the incoming | 
|  | *                         data. May not be NULL; default callback will do | 
|  | *                         nothing. | 
|  | *  incoming_messages    - Callback object that will receive the incoming | 
|  | *                         RTP messages. May not be NULL; default callback | 
|  | *                         will do nothing. | 
|  | *  outgoing_transport   - Transport object that will be called when packets | 
|  | *                         are ready to be sent out on the network | 
|  | *  rtcp_feedback        - Callback object that will receive the incoming | 
|  | *                         RTCP messages. | 
|  | *  intra_frame_callback - Called when the receiver request a intra frame. | 
|  | *  bandwidth_callback   - Called when we receive a changed estimate from | 
|  | *                         the receiver of out stream. | 
|  | *  audio_messages       - Telehone events. May not be NULL; default callback | 
|  | *                         will do nothing. | 
|  | *  remote_bitrate_estimator - Estimates the bandwidth available for a set of | 
|  | *                             streams from the same client. | 
|  | *  paced_sender             - Spread any bursts of packets into smaller | 
|  | *                             bursts to minimize packet loss. | 
|  | */ | 
|  | int32_t id; | 
|  | bool audio; | 
|  | Clock* clock; | 
|  | RtpRtcp* default_module; | 
|  | RtpData* incoming_data; | 
|  | RtpFeedback* incoming_messages; | 
|  | Transport* outgoing_transport; | 
|  | RtcpFeedback* rtcp_feedback; | 
|  | RtcpIntraFrameObserver* intra_frame_callback; | 
|  | RtcpBandwidthObserver* bandwidth_callback; | 
|  | RtcpRttObserver* rtt_observer; | 
|  | RtpAudioFeedback* audio_messages; | 
|  | RemoteBitrateEstimator* remote_bitrate_estimator; | 
|  | PacedSender* paced_sender; | 
|  | }; | 
|  | /* | 
|  | *   Create a RTP/RTCP module object using the system clock. | 
|  | * | 
|  | *   configuration  - Configuration of the RTP/RTCP module. | 
|  | */ | 
|  | static RtpRtcp* CreateRtpRtcp(const RtpRtcp::Configuration& configuration); | 
|  |  | 
|  | /************************************************************************** | 
|  | * | 
|  | *   Receiver functions | 
|  | * | 
|  | ***************************************************************************/ | 
|  |  | 
|  | /* | 
|  | *   configure a RTP packet timeout value | 
|  | * | 
|  | *   RTPtimeoutMS   - time in milliseconds after last received RTP packet | 
|  | *   RTCPtimeoutMS  - time in milliseconds after last received RTCP packet | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetPacketTimeout( | 
|  | const WebRtc_UWord32 RTPtimeoutMS, | 
|  | const WebRtc_UWord32 RTCPtimeoutMS) = 0; | 
|  |  | 
|  | /* | 
|  | *   Set periodic dead or alive notification | 
|  | * | 
|  | *   enable              - turn periodic dead or alive notification on/off | 
|  | *   sampleTimeSeconds   - sample interval in seconds for dead or alive | 
|  | *                         notifications | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetPeriodicDeadOrAliveStatus( | 
|  | const bool enable, | 
|  | const WebRtc_UWord8 sampleTimeSeconds) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get periodic dead or alive notification status | 
|  | * | 
|  | *   enable              - periodic dead or alive notification on/off | 
|  | *   sampleTimeSeconds   - sample interval in seconds for dead or alive | 
|  | *                         notifications | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 PeriodicDeadOrAliveStatus( | 
|  | bool& enable, | 
|  | WebRtc_UWord8& sampleTimeSeconds) = 0; | 
|  |  | 
|  | /* | 
|  | *   set voice codec name and payload type | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RegisterReceivePayload( | 
|  | const CodecInst& voiceCodec) = 0; | 
|  |  | 
|  | /* | 
|  | *   set video codec name and payload type | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RegisterReceivePayload( | 
|  | const VideoCodec& videoCodec) = 0; | 
|  |  | 
|  | /* | 
|  | *   get payload type for a voice codec | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 ReceivePayloadType( | 
|  | const CodecInst& voiceCodec, | 
|  | WebRtc_Word8* plType) = 0; | 
|  |  | 
|  | /* | 
|  | *   get payload type for a video codec | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 ReceivePayloadType( | 
|  | const VideoCodec& videoCodec, | 
|  | WebRtc_Word8* plType) = 0; | 
|  |  | 
|  | /* | 
|  | *   Remove a registered payload type from list of accepted payloads | 
|  | * | 
|  | *   payloadType - payload type of codec | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 DeRegisterReceivePayload( | 
|  | const WebRtc_Word8 payloadType) = 0; | 
|  |  | 
|  | /* | 
|  | *   (De)register RTP header extension type and id. | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RegisterReceiveRtpHeaderExtension( | 
|  | const RTPExtensionType type, | 
|  | const WebRtc_UWord8 id) = 0; | 
|  |  | 
|  | virtual WebRtc_Word32 DeregisterReceiveRtpHeaderExtension( | 
|  | const RTPExtensionType type) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get last received remote timestamp | 
|  | */ | 
|  | virtual WebRtc_UWord32 RemoteTimestamp() const = 0; | 
|  |  | 
|  | /* | 
|  | *   Get the local time of the last received remote timestamp | 
|  | */ | 
|  | virtual int64_t LocalTimeOfRemoteTimeStamp() const = 0; | 
|  |  | 
|  | /* | 
|  | *   Get the current estimated remote timestamp | 
|  | * | 
|  | *   timestamp   - estimated timestamp | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 EstimatedRemoteTimeStamp( | 
|  | WebRtc_UWord32& timestamp) const = 0; | 
|  |  | 
|  | /* | 
|  | *   Get incoming SSRC | 
|  | */ | 
|  | virtual WebRtc_UWord32 RemoteSSRC() const = 0; | 
|  |  | 
|  | /* | 
|  | *   Get remote CSRC | 
|  | * | 
|  | *   arrOfCSRC   - array that will receive the CSRCs | 
|  | * | 
|  | *   return -1 on failure else the number of valid entries in the list | 
|  | */ | 
|  | virtual WebRtc_Word32 RemoteCSRCs( | 
|  | WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize]) const  = 0; | 
|  |  | 
|  | /* | 
|  | *   get the currently configured SSRC filter | 
|  | * | 
|  | *   allowedSSRC - SSRC that will be allowed through | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SSRCFilter(WebRtc_UWord32& allowedSSRC) const = 0; | 
|  |  | 
|  | /* | 
|  | *   set a SSRC to be used as a filter for incoming RTP streams | 
|  | * | 
|  | *   allowedSSRC - SSRC that will be allowed through | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetSSRCFilter(const bool enable, | 
|  | const WebRtc_UWord32 allowedSSRC) = 0; | 
|  |  | 
|  | /* | 
|  | * Turn on/off receiving RTX (RFC 4588) on a specific SSRC. | 
|  | */ | 
|  | virtual WebRtc_Word32 SetRTXReceiveStatus(const bool enable, | 
|  | const WebRtc_UWord32 SSRC) = 0; | 
|  |  | 
|  | /* | 
|  | * Get status of receiving RTX (RFC 4588) on a specific SSRC. | 
|  | */ | 
|  | virtual WebRtc_Word32 RTXReceiveStatus(bool* enable, | 
|  | WebRtc_UWord32* SSRC) const = 0; | 
|  |  | 
|  | /* | 
|  | *   called by the network module when we receive a packet | 
|  | * | 
|  | *   incomingPacket - incoming packet buffer | 
|  | *   packetLength   - length of incoming buffer | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 IncomingPacket(const WebRtc_UWord8* incomingPacket, | 
|  | const WebRtc_UWord16 packetLength) = 0; | 
|  |  | 
|  | /************************************************************************** | 
|  | * | 
|  | *   Sender | 
|  | * | 
|  | ***************************************************************************/ | 
|  |  | 
|  | /* | 
|  | *   set MTU | 
|  | * | 
|  | *   size    -  Max transfer unit in bytes, default is 1500 | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetMaxTransferUnit(const WebRtc_UWord16 size) = 0; | 
|  |  | 
|  | /* | 
|  | *   set transtport overhead | 
|  | *   default is IPv4 and UDP with no encryption | 
|  | * | 
|  | *   TCP                     - true for TCP false UDP | 
|  | *   IPv6                    - true for IP version 6 false for version 4 | 
|  | *   authenticationOverhead  - number of bytes to leave for an | 
|  | *                             authentication header | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetTransportOverhead( | 
|  | const bool TCP, | 
|  | const bool IPV6, | 
|  | const WebRtc_UWord8 authenticationOverhead = 0) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get max payload length | 
|  | * | 
|  | *   A combination of the configuration MaxTransferUnit and | 
|  | *   TransportOverhead. | 
|  | *   Does not account FEC/ULP/RED overhead if FEC is enabled. | 
|  | *   Does not account for RTP headers | 
|  | */ | 
|  | virtual WebRtc_UWord16 MaxPayloadLength() const = 0; | 
|  |  | 
|  | /* | 
|  | *   Get max data payload length | 
|  | * | 
|  | *   A combination of the configuration MaxTransferUnit, headers and | 
|  | *   TransportOverhead. | 
|  | *   Takes into account FEC/ULP/RED overhead if FEC is enabled. | 
|  | *   Takes into account RTP headers | 
|  | */ | 
|  | virtual WebRtc_UWord16 MaxDataPayloadLength() const = 0; | 
|  |  | 
|  | /* | 
|  | *   set codec name and payload type | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RegisterSendPayload( | 
|  | const CodecInst& voiceCodec) = 0; | 
|  |  | 
|  | /* | 
|  | *   set codec name and payload type | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RegisterSendPayload( | 
|  | const VideoCodec& videoCodec) = 0; | 
|  |  | 
|  | /* | 
|  | *   Unregister a send payload | 
|  | * | 
|  | *   payloadType - payload type of codec | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 DeRegisterSendPayload( | 
|  | const WebRtc_Word8 payloadType) = 0; | 
|  |  | 
|  | /* | 
|  | *   (De)register RTP header extension type and id. | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RegisterSendRtpHeaderExtension( | 
|  | const RTPExtensionType type, | 
|  | const WebRtc_UWord8 id) = 0; | 
|  |  | 
|  | virtual WebRtc_Word32 DeregisterSendRtpHeaderExtension( | 
|  | const RTPExtensionType type) = 0; | 
|  |  | 
|  | /* | 
|  | *   get start timestamp | 
|  | */ | 
|  | virtual WebRtc_UWord32 StartTimestamp() const = 0; | 
|  |  | 
|  | /* | 
|  | *   configure start timestamp, default is a random number | 
|  | * | 
|  | *   timestamp   - start timestamp | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetStartTimestamp( | 
|  | const WebRtc_UWord32 timestamp) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get SequenceNumber | 
|  | */ | 
|  | virtual WebRtc_UWord16 SequenceNumber() const = 0; | 
|  |  | 
|  | /* | 
|  | *   Set SequenceNumber, default is a random number | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetSequenceNumber(const WebRtc_UWord16 seq) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get SSRC | 
|  | */ | 
|  | virtual WebRtc_UWord32 SSRC() const = 0; | 
|  |  | 
|  | /* | 
|  | *   configure SSRC, default is a random number | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetSSRC(const WebRtc_UWord32 ssrc) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get CSRC | 
|  | * | 
|  | *   arrOfCSRC   - array of CSRCs | 
|  | * | 
|  | *   return -1 on failure else number of valid entries in the array | 
|  | */ | 
|  | virtual WebRtc_Word32 CSRCs( | 
|  | WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize]) const = 0; | 
|  |  | 
|  | /* | 
|  | *   Set CSRC | 
|  | * | 
|  | *   arrOfCSRC   - array of CSRCs | 
|  | *   arrLength   - number of valid entries in the array | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetCSRCs( | 
|  | const WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize], | 
|  | const WebRtc_UWord8 arrLength) = 0; | 
|  |  | 
|  | /* | 
|  | *   includes CSRCs in RTP header if enabled | 
|  | * | 
|  | *   include CSRC - on/off | 
|  | * | 
|  | *    default:on | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetCSRCStatus(const bool include) = 0; | 
|  |  | 
|  | /* | 
|  | * Turn on/off sending RTX (RFC 4588) on a specific SSRC. | 
|  | */ | 
|  | virtual WebRtc_Word32 SetRTXSendStatus(const bool enable, | 
|  | const bool setSSRC, | 
|  | const WebRtc_UWord32 SSRC) = 0; | 
|  |  | 
|  | /* | 
|  | * Get status of sending RTX (RFC 4588) on a specific SSRC. | 
|  | */ | 
|  | virtual WebRtc_Word32 RTXSendStatus(bool* enable, | 
|  | WebRtc_UWord32* SSRC) const = 0; | 
|  |  | 
|  | /* | 
|  | *   sends kRtcpByeCode when going from true to false | 
|  | * | 
|  | *   sending - on/off | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetSendingStatus(const bool sending) = 0; | 
|  |  | 
|  | /* | 
|  | *   get send status | 
|  | */ | 
|  | virtual bool Sending() const = 0; | 
|  |  | 
|  | /* | 
|  | *   Starts/Stops media packets, on by default | 
|  | * | 
|  | *   sending - on/off | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetSendingMediaStatus(const bool sending) = 0; | 
|  |  | 
|  | /* | 
|  | *   get send status | 
|  | */ | 
|  | virtual bool SendingMedia() const = 0; | 
|  |  | 
|  | /* | 
|  | *   get sent bitrate in Kbit/s | 
|  | */ | 
|  | virtual void BitrateSent(WebRtc_UWord32* totalRate, | 
|  | WebRtc_UWord32* videoRate, | 
|  | WebRtc_UWord32* fecRate, | 
|  | WebRtc_UWord32* nackRate) const = 0; | 
|  |  | 
|  | /* | 
|  | *   Used by the codec module to deliver a video or audio frame for | 
|  | *   packetization. | 
|  | * | 
|  | *   frameType       - type of frame to send | 
|  | *   payloadType     - payload type of frame to send | 
|  | *   timestamp       - timestamp of frame to send | 
|  | *   payloadData     - payload buffer of frame to send | 
|  | *   payloadSize     - size of payload buffer to send | 
|  | *   fragmentation   - fragmentation offset data for fragmented frames such | 
|  | *                     as layers or RED | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SendOutgoingData( | 
|  | const FrameType frameType, | 
|  | const WebRtc_Word8 payloadType, | 
|  | const WebRtc_UWord32 timeStamp, | 
|  | int64_t capture_time_ms, | 
|  | const WebRtc_UWord8* payloadData, | 
|  | const WebRtc_UWord32 payloadSize, | 
|  | const RTPFragmentationHeader* fragmentation = NULL, | 
|  | const RTPVideoHeader* rtpVideoHdr = NULL) = 0; | 
|  |  | 
|  | virtual void TimeToSendPacket(uint32_t ssrc, uint16_t sequence_number, | 
|  | int64_t capture_time_ms) = 0; | 
|  |  | 
|  | /************************************************************************** | 
|  | * | 
|  | *   RTCP | 
|  | * | 
|  | ***************************************************************************/ | 
|  |  | 
|  | /* | 
|  | *    Get RTCP status | 
|  | */ | 
|  | virtual RTCPMethod RTCP() const = 0; | 
|  |  | 
|  | /* | 
|  | *   configure RTCP status i.e on(compound or non- compound)/off | 
|  | * | 
|  | *   method  - RTCP method to use | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetRTCPStatus(const RTCPMethod method) = 0; | 
|  |  | 
|  | /* | 
|  | *   Set RTCP CName (i.e unique identifier) | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetCNAME(const char cName[RTCP_CNAME_SIZE]) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get RTCP CName (i.e unique identifier) | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 CNAME(char cName[RTCP_CNAME_SIZE]) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get remote CName | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RemoteCNAME( | 
|  | const WebRtc_UWord32 remoteSSRC, | 
|  | char cName[RTCP_CNAME_SIZE]) const = 0; | 
|  |  | 
|  | /* | 
|  | *   Get remote NTP | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RemoteNTP( | 
|  | WebRtc_UWord32 *ReceivedNTPsecs, | 
|  | WebRtc_UWord32 *ReceivedNTPfrac, | 
|  | WebRtc_UWord32 *RTCPArrivalTimeSecs, | 
|  | WebRtc_UWord32 *RTCPArrivalTimeFrac, | 
|  | WebRtc_UWord32 *rtcp_timestamp) const  = 0; | 
|  |  | 
|  | /* | 
|  | *   AddMixedCNAME | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 AddMixedCNAME( | 
|  | const WebRtc_UWord32 SSRC, | 
|  | const char cName[RTCP_CNAME_SIZE]) = 0; | 
|  |  | 
|  | /* | 
|  | *   RemoveMixedCNAME | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RemoveMixedCNAME(const WebRtc_UWord32 SSRC) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get RoundTripTime | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RTT(const WebRtc_UWord32 remoteSSRC, | 
|  | WebRtc_UWord16* RTT, | 
|  | WebRtc_UWord16* avgRTT, | 
|  | WebRtc_UWord16* minRTT, | 
|  | WebRtc_UWord16* maxRTT) const = 0 ; | 
|  |  | 
|  | /* | 
|  | *   Reset RoundTripTime statistics | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 ResetRTT(const WebRtc_UWord32 remoteSSRC)= 0 ; | 
|  |  | 
|  | /* | 
|  | * Sets the estimated RTT, to be used for receive only modules without | 
|  | * possibility of calculating its own RTT. | 
|  | */ | 
|  | virtual void SetRtt(uint32_t rtt) = 0; | 
|  |  | 
|  | /* | 
|  | *   Force a send of a RTCP packet | 
|  | *   normal SR and RR are triggered via the process function | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SendRTCP( | 
|  | WebRtc_UWord32 rtcpPacketType = kRtcpReport) = 0; | 
|  |  | 
|  | /* | 
|  | *    Good state of RTP receiver inform sender | 
|  | */ | 
|  | virtual WebRtc_Word32 SendRTCPReferencePictureSelection( | 
|  | const WebRtc_UWord64 pictureID) = 0; | 
|  |  | 
|  | /* | 
|  | *    Send a RTCP Slice Loss Indication (SLI) | 
|  | *    6 least significant bits of pictureID | 
|  | */ | 
|  | virtual WebRtc_Word32 SendRTCPSliceLossIndication( | 
|  | const WebRtc_UWord8 pictureID) = 0; | 
|  |  | 
|  | /* | 
|  | *   Reset RTP statistics | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 ResetStatisticsRTP() = 0; | 
|  |  | 
|  | /* | 
|  | *   statistics of our localy created statistics of the received RTP stream | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 StatisticsRTP( | 
|  | WebRtc_UWord8* fraction_lost,  // scale 0 to 255 | 
|  | WebRtc_UWord32* cum_lost,      // number of lost packets | 
|  | WebRtc_UWord32* ext_max,       // highest sequence number received | 
|  | WebRtc_UWord32* jitter, | 
|  | WebRtc_UWord32* max_jitter = NULL) const = 0; | 
|  |  | 
|  | /* | 
|  | *   Reset RTP data counters for the receiving side | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 ResetReceiveDataCountersRTP() = 0; | 
|  |  | 
|  | /* | 
|  | *   Reset RTP data counters for the sending side | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 ResetSendDataCountersRTP() = 0; | 
|  |  | 
|  | /* | 
|  | *   statistics of the amount of data sent and received | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 DataCountersRTP( | 
|  | WebRtc_UWord32* bytesSent, | 
|  | WebRtc_UWord32* packetsSent, | 
|  | WebRtc_UWord32* bytesReceived, | 
|  | WebRtc_UWord32* packetsReceived) const = 0; | 
|  | /* | 
|  | *   Get received RTCP sender info | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RemoteRTCPStat(RTCPSenderInfo* senderInfo) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get received RTCP report block | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RemoteRTCPStat( | 
|  | std::vector<RTCPReportBlock>* receiveBlocks) const = 0; | 
|  | /* | 
|  | *   Set received RTCP report block | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 AddRTCPReportBlock( | 
|  | const WebRtc_UWord32 SSRC, | 
|  | const RTCPReportBlock* receiveBlock) = 0; | 
|  |  | 
|  | /* | 
|  | *   RemoveRTCPReportBlock | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RemoveRTCPReportBlock(const WebRtc_UWord32 SSRC) = 0; | 
|  |  | 
|  | /* | 
|  | *   (APP) Application specific data | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetRTCPApplicationSpecificData( | 
|  | const WebRtc_UWord8 subType, | 
|  | const WebRtc_UWord32 name, | 
|  | const WebRtc_UWord8* data, | 
|  | const WebRtc_UWord16 length) = 0; | 
|  | /* | 
|  | *   (XR) VOIP metric | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetRTCPVoIPMetrics( | 
|  | const RTCPVoIPMetric* VoIPMetric) = 0; | 
|  |  | 
|  | /* | 
|  | *  (REMB) Receiver Estimated Max Bitrate | 
|  | */ | 
|  | virtual bool REMB() const = 0; | 
|  |  | 
|  | virtual WebRtc_Word32 SetREMBStatus(const bool enable) = 0; | 
|  |  | 
|  | virtual WebRtc_Word32 SetREMBData(const WebRtc_UWord32 bitrate, | 
|  | const WebRtc_UWord8 numberOfSSRC, | 
|  | const WebRtc_UWord32* SSRC) = 0; | 
|  |  | 
|  | /* | 
|  | *   (IJ) Extended jitter report. | 
|  | */ | 
|  | virtual bool IJ() const = 0; | 
|  |  | 
|  | virtual WebRtc_Word32 SetIJStatus(const bool enable) = 0; | 
|  |  | 
|  | /* | 
|  | *   (TMMBR) Temporary Max Media Bit Rate | 
|  | */ | 
|  | virtual bool TMMBR() const = 0; | 
|  |  | 
|  | /* | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetTMMBRStatus(const bool enable) = 0; | 
|  |  | 
|  | /* | 
|  | *   (NACK) | 
|  | */ | 
|  | virtual NACKMethod NACK() const  = 0; | 
|  |  | 
|  | /* | 
|  | *   Turn negative acknowledgement requests on/off | 
|  | *   |max_reordering_threshold| should be set to how much a retransmitted | 
|  | *   packet can be expected to be reordered (in sequence numbers) compared to | 
|  | *   a packet which has not been retransmitted. | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetNACKStatus(const NACKMethod method, | 
|  | int max_reordering_threshold) = 0; | 
|  |  | 
|  | /* | 
|  | *  TODO(holmer): Propagate this API to VideoEngine. | 
|  | *  Returns the currently configured selective retransmission settings. | 
|  | */ | 
|  | virtual int SelectiveRetransmissions() const = 0; | 
|  |  | 
|  | /* | 
|  | *  TODO(holmer): Propagate this API to VideoEngine. | 
|  | *  Sets the selective retransmission settings, which will decide which | 
|  | *  packets will be retransmitted if NACKed. Settings are constructed by | 
|  | *  combining the constants in enum RetransmissionMode with bitwise OR. | 
|  | *  All packets are retransmitted if kRetransmitAllPackets is set, while no | 
|  | *  packets are retransmitted if kRetransmitOff is set. | 
|  | *  By default all packets except FEC packets are retransmitted. For VP8 | 
|  | *  with temporal scalability only base layer packets are retransmitted. | 
|  | * | 
|  | *  Returns -1 on failure, otherwise 0. | 
|  | */ | 
|  | virtual int SetSelectiveRetransmissions(uint8_t settings) = 0; | 
|  |  | 
|  | /* | 
|  | *   Send a Negative acknowledgement packet | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SendNACK(const WebRtc_UWord16* nackList, | 
|  | const WebRtc_UWord16 size) = 0; | 
|  |  | 
|  | /* | 
|  | *   Store the sent packets, needed to answer to a Negative acknowledgement | 
|  | *   requests | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetStorePacketsStatus( | 
|  | const bool enable, | 
|  | const WebRtc_UWord16 numberToStore) = 0; | 
|  |  | 
|  | /************************************************************************** | 
|  | * | 
|  | *   Audio | 
|  | * | 
|  | ***************************************************************************/ | 
|  |  | 
|  | /* | 
|  | *   set audio packet size, used to determine when it's time to send a DTMF | 
|  | *   packet in silence (CNG) | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetAudioPacketSize( | 
|  | const WebRtc_UWord16 packetSizeSamples) = 0; | 
|  |  | 
|  | /* | 
|  | *   Outband TelephoneEvent(DTMF) detection | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetTelephoneEventStatus( | 
|  | const bool enable, | 
|  | const bool forwardToDecoder, | 
|  | const bool detectEndOfTone = false) = 0; | 
|  |  | 
|  | /* | 
|  | *   Is outband TelephoneEvent(DTMF) turned on/off? | 
|  | */ | 
|  | virtual bool TelephoneEvent() const = 0; | 
|  |  | 
|  | /* | 
|  | *   Returns true if received DTMF events are forwarded to the decoder using | 
|  | *    the OnPlayTelephoneEvent callback. | 
|  | */ | 
|  | virtual bool TelephoneEventForwardToDecoder() const = 0; | 
|  |  | 
|  | /* | 
|  | *   SendTelephoneEventActive | 
|  | * | 
|  | *   return true if we currently send a telephone event and 100 ms after an | 
|  | *   event is sent used to prevent the telephone event tone to be recorded | 
|  | *   by the microphone and send inband just after the tone has ended. | 
|  | */ | 
|  | virtual bool SendTelephoneEventActive( | 
|  | WebRtc_Word8& telephoneEvent) const = 0; | 
|  |  | 
|  | /* | 
|  | *   Send a TelephoneEvent tone using RFC 2833 (4733) | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SendTelephoneEventOutband( | 
|  | const WebRtc_UWord8 key, | 
|  | const WebRtc_UWord16 time_ms, | 
|  | const WebRtc_UWord8 level) = 0; | 
|  |  | 
|  | /* | 
|  | *   Set payload type for Redundant Audio Data RFC 2198 | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetSendREDPayloadType( | 
|  | const WebRtc_Word8 payloadType) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get payload type for Redundant Audio Data RFC 2198 | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SendREDPayloadType( | 
|  | WebRtc_Word8& payloadType) const = 0; | 
|  |  | 
|  | /* | 
|  | * Set status and ID for header-extension-for-audio-level-indication. | 
|  | * See http://tools.ietf.org/html/rfc6464 for more details. | 
|  | * | 
|  | * return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetRTPAudioLevelIndicationStatus( | 
|  | const bool enable, | 
|  | const WebRtc_UWord8 ID) = 0; | 
|  |  | 
|  | /* | 
|  | * Get status and ID for header-extension-for-audio-level-indication. | 
|  | * | 
|  | * return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 GetRTPAudioLevelIndicationStatus( | 
|  | bool& enable, | 
|  | WebRtc_UWord8& ID) const = 0; | 
|  |  | 
|  | /* | 
|  | * Store the audio level in dBov for header-extension-for-audio-level- | 
|  | * indication. | 
|  | * This API shall be called before transmision of an RTP packet to ensure | 
|  | * that the |level| part of the extended RTP header is updated. | 
|  | * | 
|  | * return -1 on failure else 0. | 
|  | */ | 
|  | virtual WebRtc_Word32 SetAudioLevel(const WebRtc_UWord8 level_dBov) = 0; | 
|  |  | 
|  | /************************************************************************** | 
|  | * | 
|  | *   Video | 
|  | * | 
|  | ***************************************************************************/ | 
|  |  | 
|  | /* | 
|  | *   Set the estimated camera delay in MS | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetCameraDelay(const WebRtc_Word32 delayMS) = 0; | 
|  |  | 
|  | /* | 
|  | *   Set the target send bitrate | 
|  | */ | 
|  | virtual void SetTargetSendBitrate(const WebRtc_UWord32 bitrate) = 0; | 
|  |  | 
|  | /* | 
|  | *   Turn on/off generic FEC | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetGenericFECStatus( | 
|  | const bool enable, | 
|  | const WebRtc_UWord8 payloadTypeRED, | 
|  | const WebRtc_UWord8 payloadTypeFEC) = 0; | 
|  |  | 
|  | /* | 
|  | *   Get generic FEC setting | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 GenericFECStatus(bool& enable, | 
|  | WebRtc_UWord8& payloadTypeRED, | 
|  | WebRtc_UWord8& payloadTypeFEC) = 0; | 
|  |  | 
|  |  | 
|  | virtual WebRtc_Word32 SetFecParameters( | 
|  | const FecProtectionParams* delta_params, | 
|  | const FecProtectionParams* key_params) = 0; | 
|  |  | 
|  | /* | 
|  | *   Set method for requestion a new key frame | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 SetKeyFrameRequestMethod( | 
|  | const KeyFrameRequestMethod method) = 0; | 
|  |  | 
|  | /* | 
|  | *   send a request for a keyframe | 
|  | * | 
|  | *   return -1 on failure else 0 | 
|  | */ | 
|  | virtual WebRtc_Word32 RequestKeyFrame() = 0; | 
|  | }; | 
|  | } // namespace webrtc | 
|  | #endif // WEBRTC_MODULES_RTP_RTCP_INTERFACE_RTP_RTCP_H_ |