Nvstreamdemux gstnvstreamdemux.c:413:gst_nvstreamdemux_sink_event:<demux> num_surfaces_per_frame query failed; assuming == 1

I try run this pipeline and get the error: please help!

gst-launch-1.0 nvstreammux name=mux width=1280 height=720 batch-size=1 batched-push-timeout=40000 ! nvinfer config-file-path="config_infer.txt" ! nvstreamdemux name=demux rtspsrc location=$1 ! queue ! rtph264depay ! h264parse ! decodebin ! nvvideoconvert ! "video/x-raw(memory:NVMM),format=RGBA" ! queue ! mux.sink_0 demux.src_0 ! "video/x-raw(memory:NVMM), format=NV12" ! queue ! nvvideoconvert ! "video/x-raw(memory:NVMM), format=RGBA" ! nvdsosd ! nvvideoconvert ! "video/x-raw, format=RGBA" ! videoconvert ! "video/x-raw, format=NV12" ! x264enc ! qtmux ! filesink location=./out3.mp4 --gst-debug-no-color=1

output error information

nvstreamdemux gstnvstreamdemux.c:413:gst_nvstreamdemux_sink_event:<demux> num_surfaces_per_frame query failed; assuming == 1

(gst-launch-1.0:29800): GStreamer-CRITICAL **: 17:45:11.360: gst_caps_get_structure: assertion 'index < GST_CAPS_LEN (caps)' failed

(gst-launch-1.0:29800): GStreamer-CRITICAL **: 17:45:11.360: gst_structure_fixate: assertion 'GST_IS_STRUCTURE (structure)' failed

• Hardware Platform (Jetson / GPU) GPU
• DeepStream Version 5.0
• TensorRT Version 7.0

I resolved the problem, it about data format between caps. Topic is closed