1
This commit is contained in:
parent
07fd785098
commit
34dacdd642
@ -82,56 +82,64 @@ void RTSPManager::init()
|
||||
|
||||
GstRTSPMediaFactory *RTSPManager::create_media_factory(const Camera &cam)
|
||||
{
|
||||
// 程序启动时设置一次 v4l2 格式
|
||||
if (!set_v4l2_format(cam.device, cam.width, cam.height))
|
||||
{
|
||||
LOG_ERROR("[RTSP] Failed to set V4L2 format for " + cam.name);
|
||||
}
|
||||
// --- 设置一次 V4L2 格式 ---
|
||||
set_v4l2_format(cam.device, cam.width, cam.height);
|
||||
|
||||
int out_width = cam.width;
|
||||
int out_height = cam.height;
|
||||
int w = cam.width;
|
||||
int h = cam.height;
|
||||
|
||||
std::string caps =
|
||||
"video/x-raw,format=NV12,"
|
||||
"width=" +
|
||||
std::to_string(out_width) +
|
||||
",height=" + std::to_string(out_height) +
|
||||
std::to_string(w) +
|
||||
",height=" + std::to_string(h) +
|
||||
",framerate=" + std::to_string(cam.fps) + "/1";
|
||||
|
||||
// 注意:
|
||||
// 1) config-interval 放到 rtph264pay 上
|
||||
// 2) mpph264enc 加 gop / rc-mode / bps
|
||||
// 3) is-live + do-timestamp 避免 preroll 卡死
|
||||
// --------------------------
|
||||
// ★★★ 稳定管线(重点全在这里)★★★
|
||||
//
|
||||
// 1) v4l2src is-live=true do-timestamp=true → 防止 preroll 卡死
|
||||
// 2) queue max-size=0 → 避免首帧丢失
|
||||
// 3) mpph264enc
|
||||
// rc-mode=cbr bps=xxx → 保持稳定码率
|
||||
// gop=fps → 1s 一个 I 帧
|
||||
// option-force-idr=true → 强制 IDR 输出
|
||||
// option-idr-interval=fps → VLC 必需
|
||||
// 4) h264parse → 整理 NAL
|
||||
// 5) rtph264pay config-interval=1 → 每秒 SPS+PPS(最关键)
|
||||
// --------------------------
|
||||
std::string launch_str =
|
||||
"( v4l2src device=" + cam.device +
|
||||
" io-mode=2 is-live=true do-timestamp=true"
|
||||
" ! " +
|
||||
caps +
|
||||
" ! queue leaky=downstream max-size-buffers=0 max-size-bytes=0 max-size-time=0"
|
||||
" ! queue leaky=downstream max-size-time=0 max-size-bytes=0 max-size-buffers=0"
|
||||
" ! mpph264enc rc-mode=cbr bps=" +
|
||||
std::to_string(cam.bitrate) +
|
||||
" gop=" + std::to_string(cam.fps) +
|
||||
" option-force-idr=true"
|
||||
" option-idr-interval=" +
|
||||
std::to_string(cam.fps) +
|
||||
" header-mode=1"
|
||||
" ! h264parse"
|
||||
" ! rtph264pay name=pay0 pt=96 config-interval=1 )";
|
||||
|
||||
LOG_INFO("[RTSP] Launch pipeline for " + cam.name + ": " + launch_str);
|
||||
LOG_INFO("[RTSP] Launch: " + launch_str);
|
||||
|
||||
GstRTSPMediaFactory *factory = gst_rtsp_media_factory_new();
|
||||
gst_rtsp_media_factory_set_launch(factory, launch_str.c_str());
|
||||
|
||||
// 多客户端共享同一条 pipeline
|
||||
// shared=TRUE 依然能用,因为我们让编码器永远产帧
|
||||
gst_rtsp_media_factory_set_shared(factory, TRUE);
|
||||
|
||||
// 不在客户端断开时 RESET pipeline,避免频繁 s_stream(0/1)
|
||||
// 不要在客户端断开时 RESET 管线(防止 maxim4c 重启)
|
||||
gst_rtsp_media_factory_set_suspend_mode(factory, GST_RTSP_SUSPEND_MODE_NONE);
|
||||
|
||||
g_signal_connect_data(factory,
|
||||
"media-configure",
|
||||
// 绑定事件
|
||||
g_signal_connect_data(factory, "media-configure",
|
||||
G_CALLBACK(on_media_created),
|
||||
g_strdup(cam.name.c_str()),
|
||||
(GClosureNotify)g_free,
|
||||
(GConnectFlags)0);
|
||||
(GClosureNotify)g_free, 0);
|
||||
|
||||
return factory;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user