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cxh 2025-12-29 14:36:48 +08:00
parent 3832cee181
commit 363e33a3cc
1 changed files with 11 additions and 8 deletions
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19
src/rtmp_manager.cpp
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@ -68,35 +68,38 @@ GstElement* RTMPManager::create_pipeline(const Camera& cam)
const std::string live_rtmp = "rtmp://36.153.162.171:19435/" + app + "/" + stream + "?vhost=live";
std::string pipeline_str = "v4l2src device=" + cam.device +
std::string pipeline_str = "v4l2src name=src device=" + cam.device +
" io-mode=dmabuf "
"! video/x-raw,format=NV12,"
"width=" +
std::to_string(width) + ",height=" + std::to_string(height) +
",framerate=" + std::to_string(fps) +
std::to_string(cam.width) + ",height=" + std::to_string(cam.height) +
",framerate=" + std::to_string(cam.fps) +
"/1 "
"! queue max-size-buffers=4 leaky=downstream "
"! queue max-size-buffers=4 max-size-time=0 leaky=downstream "
"! mpph264enc "
"rc-mode=cbr "
"bps=" +
std::to_string(bitrate) +
std::to_string(cam.bitrate) +
" "
"gop=" +
std::to_string(fps) +
std::to_string(cam.fps) +
" "
"header-mode=each-idr "
"! h264parse config-interval=1 "
// ⭐ 核心修复：统一 DTS / PTS
// ⭐⭐ 核心修复：时间戳整形（解决 DTS 回退 / WebRTC 抽风）
"! identity sync=true single-segment=true "
"! flvmux streamable=true "
"! rtmpsink location=\"" +
live_rtmp + "\" sync=false async=false";
live_rtmp +
"\" "
"sync=false async=false";
GError* error = nullptr;
GstElement* pipeline = gst_parse_launch(pipeline_str.c_str(), &error);