Add live benchmark support in srs-bench, which only connects and disconnects without any media transport, to test source creation and disposal and verify source memory leaks.
SmartPtr: Support cleanup of HTTP-FLV stream. Unregister the HTTP-FLV handler for the pattern and clean up the objects and resources.
Support benchmarking RTMP/SRT with srs-bench by integrating the gosrt and oryx RTMP libraries.
Refine SRT and RTC sources by using a timer to clean up the sources, following the same strategy as the Live source.
Co-authored-by: Haibo Chen 495810242@qq.com Co-authored-by: Jacob Su suzp1984@gmail.com