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cxh 2025-12-29 14:48:36 +08:00
parent 363e33a3cc
commit 9a7de740f8
1 changed files with 9 additions and 3 deletions
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12
src/rtmp_manager.cpp
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@ -77,8 +77,10 @@ GstElement* RTMPManager::create_pipeline(const Camera& cam)
",framerate=" + std::to_string(cam.fps) +
"/1 "
"! queue max-size-buffers=4 max-size-time=0 leaky=downstream "
// 🔻 队列深度压到 2 帧（≈ 60ms@30fps）
"! queue max-size-buffers=2 max-size-time=0 leaky=downstream "
// 🔻 编码器：baseline + CBR + 无 B 帧
"! mpph264enc "
"rc-mode=cbr "
"bps=" +
@ -88,14 +90,18 @@ GstElement* RTMPManager::create_pipeline(const Camera& cam)
std::to_string(cam.fps) +
" "
"header-mode=each-idr "
"profile=baseline "
// SPS/PPS 每秒刷新一次（SRS/WebRTC 友好）
"! h264parse config-interval=1 "
// ⭐⭐ 核心修复：时间戳整形（解决 DTS 回退 / WebRTC 抽风）
"! identity sync=true single-segment=true "
// 🔻 时间戳整形但不强行等待
"! identity sync=false single-segment=true "
// FLV 最小缓存模式
"! flvmux streamable=true "
// sink 本身不参与同步
"! rtmpsink location=\"" +
live_rtmp +
"\" "