• Hardware Platform (Jetson / GPU): Jetson • DeepStream Version: 6.3 • JetPack Version (valid for Jetson only): 5.1 I am referencing this older topic ( https://forums.developer.nvidia.com/t/jitter-noise-in-rtsp-input-frame/174288 ) which describes a problem that seems to persist in DeepStream 6.3. …

I would like to conclude by expressing a general observation. I believe it would be beneficial for the developer community if these forum threads could evolve towards deeper reflections on the underlying technologies (e.g., GStreamer, network interaction, RTSP) rather than strictly maintaining a fo…

[image] valou: When the downstream pipeline (inference + post-processing) is slower than the RTSP input framerate, severe visual artifacts (macro-blocking, smearing) appear on the decoded frames. Have you identify the bottleneck of the downstream elements? Is it the nvinfer(GIE) which is much…

Thanks for the reply. To answer your question: Yes, nvstreammux and nvinfer are the main bottlenecks causing the latency. I appreciate the hint regarding the dynamic interval in gst-nvinfer, and I will investigate the source code. However, this suggests that the only solution is to align the input…

[image] valou: My core question remains: Is it inevitable to have decoder artifacts when the pipeline back-pressure occurs? If the downstream is always slower than upstream, the upstream needs more and more extra buffering space to store the late data. The accumulated late data eventually exc…

[image] Fiona.Chen: If the downstream is always slower than upstream, the upstream needs more and more extra buffering space to store the late data. The accumulated late data eventually exceeded the buffering space and be dropped. Seems in your case, this data dropping happens with the RTSP payl…

Even with the “interval” property of nvinfer, the udp packets accumulated in the rtsp buffering may also exceed the limitation for the very short time when the nvinfer is working. You may try to set larger udp buffering size or try to use tcp instead of udp to receive rtsp payload. Since the encod…

Thank you for the suggestions regarding buffering. To confirm, we are already configured for TCP-only streaming, and the back-pressure artifacts still occur. Could you please confirm if this artifact-generating behavior is considered a known or expected characteristic of the nvv4l2decoder when it…

[image] valou: Could you please confirm if this artifact-generating behavior is considered a known or expected characteristic of the nvv4l2decoder when it receives back-pressure? No [image] valou: Does this logic align with the expected behavior of the DeepStream pipeline? If you drop…

[image] valou: Is it possible to do that in the deepstream default app ? DeepStream sample apps are all samples to demonstrate the usage of DeepStream components and interfaces. It is OK to customize your own apps according to your requirements.

Artifacts and Jitter on RTSP Input caused by Pipeline Back-pressure

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Artifacts and Jitter on RTSP Input caused by Pipeline Back-pressure

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