WebRTC: Use realtime for TWCC timestamp accuracy. v7.0.114

Author: winlinvip

trunk/doc/CHANGELOG.md

@@ -7,6 +7,7 @@ The changelog for SRS.
 <a name="v7-changes"></a>
 
 ## SRS 7.0 Changelog
+* v7.0, 2025-10-30, WebRTC: Use realtime for TWCC timestamp accuracy. v7.0.114
 * v7.0, 2025-10-30, AI: HLS: Fix crash when segment is not open by adding NULL checks. v7.0.113 (#3431)
 * v7.0, 2025-10-29, AI: AAC: Fix mono audio reported as stereo in HTTP API. v7.0.112 (#3556)
 * v7.0, 2025-10-27, HLS/DASH: Skip unpublish if disabled; add protection in SrsPath::unlink. v7.0.111

trunk/src/app/srs_app_rtc_conn.cpp

@@ -1532,7 +1532,10 @@ srs_error_t SrsRtcPublishStream::on_twcc(uint16_t sn)
 {
     srs_error_t err = srs_success;
 
-    srs_utime_t now = srs_time_now_cached();
+    // To get more accurate timestamp, and avoid deviation caused by coroutine scheduler, 
+    // we use realtime for TWCC.
+    srs_utime_t now = srs_time_now_realtime();
+    
     err = rtcp_twcc_->recv_packet(sn, now);
 
     return err;
@@ -1584,10 +1587,6 @@ srs_error_t SrsRtcPublishStream::on_rtp_plaintext(char *plaintext, int nb_plaint
 {
     srs_error_t err = srs_success;
 
-    if (_srs_blackhole->blackhole_) {
-        _srs_blackhole->sendto(plaintext, nb_plaintext);
-    }
-
     // Allocate packet form cache.
     SrsRtpPacket *pkt = new SrsRtpPacket();
 

trunk/src/core/srs_core_version7.hpp

@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR 7
 #define VERSION_MINOR 0
-#define VERSION_REVISION 113
+#define VERSION_REVISION 114
 
 #endif