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cxh 2025-11-21 16:16:43 +08:00
parent 51ab3ab280
commit 5f2110c5fd
1 changed files with 13 additions and 11 deletions
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24
src/rtsp_manager.cpp
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@ -32,29 +32,31 @@ GstRTSPMediaFactory *RTSPManager::create_media_factory(const Camera &cam)
std::string launch_str = std::string launch_str =
"( v4l2src device=" + cam.device + "( 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) + ",height=" + std::to_string(out_height) +
",framerate=" + std::to_string(cam.fps) + "/1" ",framerate=" + std::to_string(cam.fps) + "/1"
" ! queue max-size-time=100000000" " ! queue max-size-buffers=1 leaky=downstream"
" ! videoconvert"
" ! mpph264enc rc-mode=cbr bps=" + " ! mpph264enc rc-mode=cbr bps=" +
std::to_string(cam.bitrate) + std::to_string(cam.bitrate) +
" gop=" + std::to_string(cam.fps) + " gop=" + std::to_string(cam.fps) +
" profile=high" " b-frames=0"
" ! h264parse" " ! h264parse config-interval=1"
" ! rtph264pay name=pay0 pt=96 )"; " ! rtph264pay name=pay0 pt=96 config-interval=1 )";
GstRTSPMediaFactory *factory = gst_rtsp_media_factory_new(); GstRTSPMediaFactory *factory = gst_rtsp_media_factory_new();
gst_rtsp_media_factory_set_launch(factory, launch_str.c_str()); 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); 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_suspend_mode(factory, GST_RTSP_SUSPEND_MODE_RESET);
gst_rtsp_media_factory_set_latency(factory, 0); // 绑定创建回调
gst_rtsp_media_factory_set_transport_mode(factory, GST_RTSP_TRANSPORT_MODE_PLAY); g_signal_connect_data(factory, "media-configure",
G_CALLBACK(on_media_created),
// 监听 pipeline 创建
g_signal_connect_data(factory, "media-configure", G_CALLBACK(on_media_created),
g_strdup(cam.name.c_str()), g_strdup(cam.name.c_str()),
(GClosureNotify)g_free, (GClosureNotify)g_free,
(GConnectFlags)0); (GConnectFlags)0);