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前移时间戳生成逻辑，防止耗时代码干扰时间戳精度

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This commit is contained in:
xiongziliang
2021-10-07 15:49:33 +08:00
parent 29cc6a94f2
commit 438fd952f2
4 changed files with 11 additions and 9 deletions
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6
webrtc/TwccContext.cpp
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@@ -19,7 +19,7 @@ enum class ExtSeqStatus : int {
jumped,
};
void TwccContext::onRtp(uint32_t ssrc, uint16_t twcc_ext_seq) {
void TwccContext::onRtp(uint32_t ssrc, uint16_t twcc_ext_seq, uint64_t stamp_ms) {
switch ((ExtSeqStatus) checkSeqStatus(twcc_ext_seq)) {
case ExtSeqStatus::jumped: /*回环后，收到回环前的大ext seq包,过滤掉*/ return;
case ExtSeqStatus::looped: /*回环，触发发送twcc rtcp*/ onSendTwcc(ssrc); break;
@@ -27,7 +27,7 @@ void TwccContext::onRtp(uint32_t ssrc, uint16_t twcc_ext_seq) {
default: /*不可达*/assert(0); break;
}
auto result = _rtp_recv_status.emplace(twcc_ext_seq, _ticker.createdTime());
auto result = _rtp_recv_status.emplace(twcc_ext_seq, stamp_ms);
if (!result.second) {
WarnL << "recv same twcc ext seq:" << twcc_ext_seq;
return;
@@ -80,7 +80,9 @@ void TwccContext::onSendTwcc(uint32_t ssrc) {
auto max = _rtp_recv_status.rbegin()->first;
auto begin = _rtp_recv_status.begin();
auto min = begin->first;
//参考时间戳的最小单位是64ms
auto ref_time = begin->second >> 6;
//还原基准时间戳
auto last_time = ref_time << 6;
FCI_TWCC::TwccPacketStatus status;
for (auto seq = min; seq <= max; ++seq) {