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新增rtmp分支

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cxh 2025-11-12 18:10:16 +08:00
parent b125c8db42
commit af37638f87
1 changed files with 33 additions and 23 deletions
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44
src/rtmp_manager.cpp
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@ -72,29 +72,39 @@ GstElement* RTMPManager::create_pipeline(const Camera& cam)
const std::string stream_name = cam.name + "_main"; const std::string stream_name = cam.name + "_main";
const std::string app = "camera"; const std::string app = "camera";
const std::string location = "rtmp://127.0.0.1:1935/" + app + "/" + stream_name + "?vhost=live"; // 两个不同的 SRS 实例：live 用于远控，record 用于录像
const std::string live_rtmp = "rtmp://127.0.0.1:1935/" + 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 + // 双路推流管线：一份流编码后 tee 分支分别送往两个 flvmux+rtmpsink
std::string pipeline_str =
"v4l2src name=src device=" + cam.device +
" ! " " ! "
"video/x-raw,format=NV12,width=" + "video/x-raw,format=NV12,width=" +
std::to_string(width) + ",height=" + std::to_string(height) + std::to_string(width) + ",height=" + std::to_string(height) + ",framerate=" + std::to_string(fps) +
",framerate=" + std::to_string(fps) +
"/1 ! " "/1 ! "
"tee name=t "
// 主分支：编码 + RTMP 推流
"t. ! queue ! "
"mpph264enc bps=" + "mpph264enc bps=" +
std::to_string(bitrate) + " gop=" + std::to_string(fps) + std::to_string(bitrate) + " gop=" + std::to_string(fps) +
" ! " " rc-mode=cbr ! "
"h264parse ! flvmux streamable=true name=mux " "h264parse ! tee name=t "
// 静音音频轨道（避免 RTMP 播放器报错）
"audiotestsrc wave=silence ! audioconvert ! audioresample ! " // --- 分支1：低延时远控 SRS ---
"voaacenc ! aacparse ! mux. " "t. ! queue max-size-buffers=5 leaky=downstream ! "
// 输出 RTMP "flvmux streamable=true name=mux_live "
"mux. ! rtmpsink name=sink location=\"" + "audiotestsrc wave=silence ! audioconvert ! audioresample ! voaacenc ! aacparse ! mux_live. "
location + "mux_live. ! rtmpsink location=\"" +
"\" sync=false " live_rtmp +
// 第二分支：预留 (AI 分析/录制) "\" sync=false async=false "
// --- 分支2：录像 SRS ---
"t. ! queue max-size-buffers=5 leaky=downstream ! "
"flvmux streamable=true name=mux_record "
"audiotestsrc wave=silence ! audioconvert ! audioresample ! voaacenc ! aacparse ! mux_record. "
"mux_record. ! rtmpsink location=\"" +
record_rtmp +
"\" sync=false async=false "
// --- 可选第三分支：AI/检测 ---
"t. ! queue ! fakesink sync=false"; "t. ! queue ! fakesink sync=false";
GError* error = nullptr; GError* error = nullptr;