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cxh 2025-12-29 14:13:37 +08:00
parent dbf9e51c4d
commit ee0f84304b
1 changed files with 20 additions and 12 deletions
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32
src/rtmp_manager.cpp
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@ -77,23 +77,31 @@ GstElement* RTMPManager::create_pipeline(const Camera& cam)
const std::string live_rtmp = "rtmp://36.153.162.171:19435/" + app + "/" + stream_name + "?vhost=live";
const std::string record_rtmp = "rtmp://127.0.0.1:2935/" + app + "/" + stream_name + "?vhost=record";
std::string pipeline_str = "v4l2src name=src device=" + cam.device +
" io-mode=dmabuf do-timestamp=true "
" ! video/x-raw,format=NV12,"
std::string pipeline_str = "v4l2src 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) +
"/1 "
" ! mpph264enc "
"profile=high "
"! queue max-size-buffers=4 leaky=downstream "
"! mpph264enc "
"profile=baseline " // ⭐ 关键：别用 high
"bframes=0 " // ⭐ 关键：禁 B 帧
"gop=" +
std::to_string(fps) +
" "
"rc-mode=cbr "
"bps=" +
std::to_string(bitrate) + " gop=" + std::to_string(fps) +
" rc-mode=cbr "
" header-mode=each-idr "
" ! h264parse config-interval=1 "
" ! queue max-size-buffers=5 max-size-time=0 leaky=downstream "
" ! flvmux streamable=true "
" ! rtmpsink location=\"" +
std::to_string(bitrate) +
" "
"header-mode=each-idr "
"! h264parse "
"config-interval=1 "
"disable-passthrough=true "
"! queue max-size-buffers=5 leaky=downstream "
"! flvmux streamable=true "
"! rtmpsink location=\"" +
live_rtmp + "\" sync=false async=false";
GError* error = nullptr;