From 5f2110c5fdc42cbf1e63eb9ab8cfb5a82e9960e9 Mon Sep 17 00:00:00 2001 From: cxh Date: Fri, 21 Nov 2025 16:16:43 +0800 Subject: [PATCH] 1 --- src/rtsp_manager.cpp | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/src/rtsp_manager.cpp b/src/rtsp_manager.cpp index 2551096..86ed35a 100644 --- a/src/rtsp_manager.cpp +++ b/src/rtsp_manager.cpp @@ -32,29 +32,31 @@ GstRTSPMediaFactory *RTSPManager::create_media_factory(const Camera &cam) std::string launch_str = "( v4l2src device=" + cam.device + - " ! video/x-raw,format=NV12,width=" + std::to_string(out_width) + + " io-mode=4 is-live=true " + " ! video/x-raw,format=NV12,width=" + + std::to_string(out_width) + ",height=" + std::to_string(out_height) + ",framerate=" + std::to_string(cam.fps) + "/1" - " ! queue max-size-time=100000000" - " ! videoconvert" + " ! queue max-size-buffers=1 leaky=downstream" " ! mpph264enc rc-mode=cbr bps=" + std::to_string(cam.bitrate) + " gop=" + std::to_string(cam.fps) + - " profile=high" - " ! h264parse" - " ! rtph264pay name=pay0 pt=96 )"; + " b-frames=0" + " ! h264parse config-interval=1" + " ! rtph264pay name=pay0 pt=96 config-interval=1 )"; GstRTSPMediaFactory *factory = gst_rtsp_media_factory_new(); gst_rtsp_media_factory_set_launch(factory, launch_str.c_str()); + // ★ 非共享会导致重复 mount 失败，让它共享 gst_rtsp_media_factory_set_shared(factory, TRUE); + + // ★ live source 必须用 RESET，不然 UNPREPARE 不会释放 pipeline gst_rtsp_media_factory_set_suspend_mode(factory, GST_RTSP_SUSPEND_MODE_RESET); - gst_rtsp_media_factory_set_latency(factory, 0); - gst_rtsp_media_factory_set_transport_mode(factory, GST_RTSP_TRANSPORT_MODE_PLAY); - - // 监听 pipeline 创建 - g_signal_connect_data(factory, "media-configure", G_CALLBACK(on_media_created), + // 绑定创建回调 + g_signal_connect_data(factory, "media-configure", + G_CALLBACK(on_media_created), g_strdup(cam.name.c_str()), (GClosureNotify)g_free, (GConnectFlags)0);