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This commit is contained in:
cxh 2025-11-24 17:44:34 +08:00
parent 42bad1d949
commit 11d21c467b
1 changed files with 22 additions and 7 deletions
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29
src/rtsp_manager.cpp
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@ -82,11 +82,11 @@ GstRTSPMediaFactory *RTSPManager::create_media_factory(const Camera &cam)
std::string launch_str =
"( v4l2src device=" + cam.device +
" io-mode=2 is-live=true do-timestamp=true"
" ! identity sync=false"
" ! " +
caps +
" ! queue max-size-buffers=0 max-size-bytes=0 max-size-time=0"
" ! mpph264enc rc-mode=cbr"
" bps=" +
" ! queue leaky=downstream max-size-buffers=0 max-size-bytes=0 max-size-time=0"
" ! mpph264enc rc-mode=cbr bps=" +
std::to_string(cam.bitrate) +
" gop=" + std::to_string(cam.fps) +
" header-mode=1"
@ -176,10 +176,25 @@ void RTSPManager::on_media_created(GstRTSPMediaFactory *, GstRTSPMedia *media, g
media_map[cam_name].push_back(media);
}
g_signal_connect_data(media, "unprepared", G_CALLBACK(on_media_unprepared),
g_strdup(cam_name),
(GClosureNotify)g_free,
(GConnectFlags)0);
g_signal_connect_data(
media,
"unprepared",
G_CALLBACK(on_media_unprepared),
g_strdup(cam_name),
(GClosureNotify)g_free,
(GConnectFlags)0);
// ★★★ 关键补丁：阻止 preroll 卡死 v4l2 驱动，强制 PLAYING
GstElement *pipeline = gst_rtsp_media_get_element(media);
if (pipeline)
{
gst_element_set_state(pipeline, GST_STATE_PLAYING);
LOG_INFO(std::string("[RTSP] Force pipeline PLAYING for camera: ") + cam_name);
}
else
{
LOG_WARN(std::string("[RTSP] Pipeline is NULL for camera: ") + cam_name);
}
}
void RTSPManager::on_media_unprepared(GstRTSPMedia *media, gpointer user_data)