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cxh 2025-12-29 14:15:18 +08:00
parent ee0f84304b
commit 12b793b658
1 changed files with 10 additions and 7 deletions
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17
src/rtmp_manager.cpp
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@ -85,22 +85,25 @@ GstElement* RTMPManager::create_pipeline(const Camera& cam)
",framerate=" + std::to_string(fps) + ",framerate=" + std::to_string(fps) +
"/1 " "/1 "
"! queue max-size-buffers=4 leaky=downstream " "! queue max-size-buffers=4 leaky=downstream "
"! mpph264enc " "! mpph264enc "
"profile=baseline " // ⭐ 关键：别用 high "profile=baseline " // ⭐ 核心：硬性禁 B 帧
"bframes=0 " // ⭐ 关键：禁 B 帧
"gop=" +
std::to_string(fps) +
" "
"rc-mode=cbr " "rc-mode=cbr "
"bps=" + "bps=" +
std::to_string(bitrate) + std::to_string(bitrate) +
" " " "
"header-mode=each-idr " "gop=" +
std::to_string(fps) +
" " // 1 秒 1 个 IDR
"header-mode=each-idr " // SPS/PPS 跟 IDR
"! h264parse " "! h264parse "
"config-interval=1 " "config-interval=1 "
"disable-passthrough=true " "disable-passthrough=true " // ⭐ 修 DTS
"! queue max-size-buffers=5 leaky=downstream " "! queue max-size-buffers=5 leaky=downstream "
"! flvmux streamable=true " "! flvmux streamable=true "
"! rtmpsink location=\"" + "! rtmpsink location=\"" +
live_rtmp + "\" sync=false async=false"; live_rtmp + "\" sync=false async=false";