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rtcp: Add functionality to RTCP FB packet handler

This commit is contained in:
Heikki Tampio 2023-07-31 15:41:46 +03:00
parent f9bc598286
commit acba0d67fb
2 changed files with 22 additions and 2 deletions
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2
include/uvgrtp/frame.hh
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@ -166,6 +166,8 @@ namespace uvgrtp {
uint32_t sender_ssrc = 0; uint32_t sender_ssrc = 0;
uint32_t media_ssrc = 0; uint32_t media_ssrc = 0;
uint8_t* fci = nullptr; uint8_t* fci = nullptr;
/** \brief Size of the payload in bytes. Added by uvgRTP to help process the payload. */
size_t payload_len = 0;
}; };
PACK(struct zrtp_frame { PACK(struct zrtp_frame {

22
src/rtcp.cc
View File

@ -1589,12 +1589,30 @@ rtp_error_t uvgrtp::rtcp::handle_app_packet(uint8_t* packet, size_t& read_ptr,
rtp_error_t uvgrtp::rtcp::handle_fb_packet(uint8_t* packet, size_t& read_ptr, rtp_error_t uvgrtp::rtcp::handle_fb_packet(uint8_t* packet, size_t& read_ptr,
size_t packet_end, uvgrtp::frame::rtcp_header& header) size_t packet_end, uvgrtp::frame::rtcp_header& header)
{ {
UVG_LOG_INFO("Received an RTCP FB message");
auto frame = new uvgrtp::frame::rtcp_fb_packet; auto frame = new uvgrtp::frame::rtcp_fb_packet;
frame->header = header; frame->header = header;
read_ssrc(packet, read_ptr, frame->sender_ssrc); read_ssrc(packet, read_ptr, frame->sender_ssrc);
read_ssrc(packet, read_ptr, frame->media_ssrc);
if (!is_participant(frame->sender_ssrc))
{
UVG_LOG_INFO("Got an RTCP FB packet from a previously unknown participant SSRC %lu", frame->sender_ssrc);
add_participant(frame->sender_ssrc);
}
// copy media ssrc and Feedback Control Information from network packet to RTCP structures
read_ssrc(packet, read_ptr, frame->media_ssrc);
frame->payload_len = packet_end - read_ptr;
if (frame->payload_len > 0)
{
// payload data is saved to fci
frame->fci = new uint8_t[frame->payload_len];
memcpy(frame->fci, &packet[read_ptr], frame->payload_len);
}
else
{
frame->fci = nullptr;
}
return RTP_OK; return RTP_OK;
} }