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优化webrtc jitter buffer相关参数

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xiongziliang 2024-06-21 20:21:45 +08:00 committed by 夏楚
parent 34bb843e9c
commit 1ef3642ed4
2 changed files with 25 additions and 6 deletions
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22
webrtc/Nack.h
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@ -20,6 +20,28 @@
namespace mediakit {
// RTC配置项目
namespace Rtc {
//~ nack接收端(rtp发送端)
// Nack缓存包最早时间间隔
extern const std::string kMaxNackMS;
// Nack包检查间隔(包数量)
extern const std::string kRtpCacheCheckInterval;
//~ nack发送端(rtp接收端)
// 最大保留的rtp丢包状态个数
extern const std::string kNackMaxSize;
// rtp丢包状态最长保留时间
extern const std::string kNackMaxMS;
// nack最多请求重传次数
extern const std::string kNackMaxCount;
// nack重传频率，rtt的倍数
extern const std::string kNackIntervalRatio;
// nack包中rtp个数，减小此值可以让nack包响应更灵敏
extern const std::string kNackRtpSize;
} // namespace Rtc
class NackList {
public:
void pushBack(RtpPacket::Ptr rtp);

9
webrtc/WebRtcTransport.cpp
View File

@ -13,6 +13,7 @@
#include "Util/base64.h"
#include "Network/sockutil.h"
#include "Common/config.h"
#include "Nack.h"
#include "RtpExt.h"
#include "Rtcp/Rtcp.h"
#include "Rtcp/RtcpFCI.h"
@ -57,9 +58,6 @@ const string kMinBitrate = RTC_FIELD "min_bitrate";
// 数据通道设置
const string kDataChannelEcho = RTC_FIELD "datachannel_echo";
// rtp丢包状态最长保留时间
const string kNackMaxMS = RTC_FIELD "nackMaxMS";
static onceToken token([]() {
mINI::Instance()[kTimeOutSec] = 15;
mINI::Instance()[kExternIP] = "";
@ -72,8 +70,6 @@ static onceToken token([]() {
mINI::Instance()[kMinBitrate] = 0;
mINI::Instance()[kDataChannelEcho] = true;
mINI::Instance()[kNackMaxMS] = 3 * 1000;
});
} // namespace RTC
@ -806,7 +802,8 @@ public:
setOnSorted(std::move(cb));
//设置jitter buffer参数
GET_CONFIG(uint32_t, nack_maxms, Rtc::kNackMaxMS);
RtpTrackImp::setParams(1024, nack_maxms, 512);
GET_CONFIG(uint32_t, nack_max_rtp, Rtc::kNackMaxSize);
RtpTrackImp::setParams(nack_max_rtp, nack_maxms, nack_max_rtp / 2);
_nack_ctx.setOnNack([this](const FCI_NACK &nack) { onNack(nack); });
}