Deepstream-rtsp-in-rtsp-out : AttributeError: 'NoneType' object has no attribute 'set_property'

abhijeetthakare241093 · September 3, 2024, 2:34am

Please provide complete information as applicable to your setup.
Please provide complete information as applicable to your setup.
• Hardware Platform (Jetson / GPU) nano
• DeepStream Version 7.0
• JetPack Version (valid for Jetson only) 6.0
• TensorRT Version 8.6.2.3-1+cuda12.2
• NVIDIA GPU Driver Version (valid for GPU only) NVIDIA-SMI 540.2.0
• Issue Type( questions, new requirements, bugs)

Getting Error : AttributeError: ‘NoneType’ object has no attribute ‘set_property’

• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)

Follow: deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out at master · NVIDIA-AI-IOT/deepstream_python_apps · GitHub :

Then run :

python3 deepstream_test1_rtsp_in_rtsp_out.py -i file:///home/ubuntu/Desktop/nus-2024-vision-main/video/busan_video.h264 file:///home/ubuntu/Desktop/nus-2024-vision-main/video/smoke_video.h264 -g nvinferserver

Error come :

Creating Pipeline

Creating streamux

Creating source_bin 0

Creating source bin
source-bin-00
Creating source_bin 1

Creating source bin
source-bin-01
Creating Pgie

Unable to create pgie
Creating tiler

Creating nvvidconv

Creating nvosd

Creating H264 Encoder
Unable to create encoderTraceback (most recent call last):
File “/home/paymentinapp/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/deepstream_test1_rtsp_in_rtsp_out.py”, line 410, in
sys.exit(main(stream_path))
File “/home/paymentinapp/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/deepstream_test1_rtsp_in_rtsp_out.py”, line 255, in main
encoder.set_property(“bitrate”, bitrate)
AttributeError: ‘NoneType’ object has no attribute ‘set_property’

How to solve this error ?

fanzh · September 3, 2024, 2:45am

what is the device model? nano does not support hardware encoding. you can use software encoding plugin x264enc instead.

abhijeetthakare241093 · September 3, 2024, 3:16am

Software Encoding Working :

device model : resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine

When run :

@ubuntu:~/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out$ python3 deepstream_test1_rtsp_in_rtsp_out.py -i file:///home/ubuntu/Desktop/nus-2024-vision-main/video/1.mp4 file:///home/ubuntu/Desktop/nus-2024-vision-main/video/2.mp4

Main Error : NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:2129> [UID = 1]: build engine file failed
free(): double free detected in tcache 2
Aborted (core dumped)

It return error : Setting min object dimensions as 16x16 instead of 1x1 to support VIC compute mode.
WARNING: Deserialize engine failed because file path: /home/paymentinapp/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine open error
0:00:08.680420509 10201 0xaaaaea621400 WARN nvinfer gstnvinfer.cpp:679:gst_nvinfer_logger: NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::deserializeEngineAndBackend() <nvdsinfer_context_impl.cpp:2083> [UID = 1]: deserialize engine from file :/home/paymentinapp/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine failed
0:00:10.152619768 10201 0xaaaaea621400 WARN nvinfer gstnvinfer.cpp:679:gst_nvinfer_logger: NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::generateBackendContext() <nvdsinfer_context_impl.cpp:2188> [UID = 1]: deserialize backend context from engine from file :/home/paymentinapp/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine failed, try rebuild
0:00:10.160009823 10201 0xaaaaea621400 INFO nvinfer gstnvinfer.cpp:682:gst_nvinfer_logger: NvDsInferContext[UID 1]: Info from NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:2109> [UID = 1]: Trying to create engine from model files
WARNING: INT8 calibration file not specified/accessible. INT8 calibration can be done through setDynamicRange API in ‘NvDsInferCreateNetwork’ implementation
NvDsInferCudaEngineGetFromTltModel: Failed to open TLT encoded model file /home/paymentinapp/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt
ERROR: Failed to create network using custom network creation function
ERROR: Failed to get cuda engine from custom library API
0:00:22.596495955 10201 0xaaaaea621400 ERROR nvinfer gstnvinfer.cpp:676:gst_nvinfer_logger: NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:2129> [UID = 1]: build engine file failed
free(): double free detected in tcache 2
Aborted (core dumped)

fanzh · September 3, 2024, 5:30am

this is the fatal error. could you check if resnet18_trafficcamnet.etlt and cal_trt.bin existed in /home/paymentinapp/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/…/…/…/…/samples/models/Primary_Detector

abhijeetthakare241093 · September 3, 2024, 6:10am

Yes, present : /opt/nvidia/deepstream/deepstream/samples/models/Primary_Detector$ ls
cal_trt.bin labels.txt resnet18_trafficcamnet.etlt

tlt-encoded-model=…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt
model-engine-file=…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine
labelfile-path=…/…/…/…/samples/models/Primary_Detector/labels.txt
int8-calib-file=…/…/…/…/samples/models/Primary_Detector/cal_trt.bin

Checked : resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine is absent.

fanzh · September 3, 2024, 6:27am

log-0903.txt (52.8 KB)

without any configuration and code modification, can you reproduce this issue? I can’t reproduce this issue, here is my log log-0903.txt (52.8 KB).
if you modify the configuration file, please share the modifications.

abhijeetthakare241093 · September 3, 2024, 8:28am

Hello Sir, thank you very much for your response. I also reinstalled the deep-stream 7.0 but error remain same.
Why this error is coming ? what is possible solution. Please find configuration file here.

dstest1_pgie_config.txt (3.0 KB)
?

Please find log file here
deepstream_log.txt (2.4 KB)

I did’nt do any modification in the file.

Just executed : python3 deepstream_test1_rtsp_in_rtsp_out.py -i file:///opt/nvidia/deepstream/deepstream/samples/streams/sample_720p.mp4 -g nvinfer > deepstream_log.txt 2>&1

Error : free(): double free detected in tcache 2
Aborted (core dumped)

During install I, changed code in /deepstream_python_apps/apps/common

platform_info.py.txt (3.2 KB)

This is code file :
deepstream_test1_rtsp_in_rtsp_out .py.txt (14.6 KB)

fanzh · September 3, 2024, 8:58am

NvDsInferCudaEngineGetFromTltModel: Failed to open TLT encoded model file
from the log, the app failed to read the model. could you share the result of " md5sum
/home/paymentinapp/Desktop/deepstream_python_apps/apps/deepstream-rtsp-in-rtsp-out/…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt"? are you testing in docker? is there any permission issue to read the model file?

abhijeetthakare241093 · September 3, 2024, 10:29am

Sorry, how to check md5sum file ?

No, I am not testing on docker.

Original :

tlt-encoded-model=…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt
model-engine-file=…/…/…/…/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine
labelfile-path=…/…/…/…/samples/models/Primary_Detector/labels.txt
int8-calib-file=…/…/…/…/samples/models/Primary_Detector/cal_trt.bin

Replaced after your comments:
tlt-encoded-model=/opt/nvidia/deepstream/deepstream/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt
model-engine-file=/opt/nvidia/deepstream/deepstream/samples/models/Primary_Detector/resnet18_trafficcamnet.etlt_b30_gpu0_int8.engine
labelfile-path=/opt/nvidia/deepstream/deepstream/samples/models/Primary_Detector/labels.txt
int8-calib-file=/opt/nvidia/deepstream/deepstream/samples/models/Primary_Detector/cal_trt.bin

Error:

Error: gst-stream-error-quark: Internal data stream error. (1): /dvs/git/dirty/git-master_linux/deepstream/sdk/src/gst-plugins/gst-nvinfer/gstnvinfer.cpp(2420): gst_nvinfer_output_loop (): /GstPipeline:pipeline0/GstNvInfer:primary-inference:
streaming stopped, reason not-linked (-1)
Frame Number= 1
Frame Number= 2

Log:
deepstream_log.txt (53.3 KB)

fanzh · September 3, 2024, 2:33pm

from the new log, the engine was generated. there was a new issue. the app failed to run. x264enc does not support NVMM hardware memory. please remove the following code
caps.set_property(
“caps”, Gst.Caps.from_string(“video/x-raw(memory:NVMM), format=I420”)
)
to
caps.set_property(
“caps”, Gst.Caps.from_string(“video/x-raw, format=I420”)
)
please refer to this working pipeline.

gst-launch-1.0  filesrc location=/opt/nvidia/deepstream/deepstream/samples/streams/sample_720p.mp4 ! qtdemux ! h264parse ! nvv4l2decoder  ! nvvideoconvert ! 'video/x-raw,format=I420' ! x264enc ! filesink location=test.264

abhijeetthakare241093 · September 4, 2024, 2:12am

Code is working. Thank you very much Excellent NVIDIA Engineer @fanzh.

How to visualize the content ?

*** DeepStream: Launched RTSP Streaming at rtsp://localhost:8554/ds-test ***

I enter that link "rtsp://localhost:8554/ds-test "in open Network Stream in VLC player : but it return Connection failed:

VLC could not connect to “localhost:8554”.

Your input can’t be opened:

VLC is unable to open the MRL ‘rtsp://localhost:8554/ds-test’. Check the log for details.

How to see output ?

fanzh · September 4, 2024, 2:56pm

could you check if it is a network issue? can you play the rtsp on the machine which is running the deepstream?

abhijeetthakare241093 · September 5, 2024, 12:42am

Network is working fine. Bcs hikevision camera is opening with ip.

Played RTSP on same machine : where deepstream is runnuing.

How to solve this problem ? why this problem is coming ?

abhijeetthakare241093 · September 5, 2024, 2:40am

Without seeing How I work on modifying output "?

abhijeetthakare241093 · September 5, 2024, 3:13am

Changed to it

gst-launch-1.0 rtspsrc location=rtsp://192.168.10.139:8554/ds-test ! decodebin ! autovideosink
Setting pipeline to PAUSED …
Pipeline is live and does not need PREROLL …
Progress: (open) Opening Stream
Pipeline is PREROLLED …
Prerolled, waiting for progress to finish…
Progress: (connect) Connecting to rtsp://192.168.10.139:8554/ds-test
ERROR: from element /GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0: Could not open resource for reading and writing.
Additional debug info:
…/gst/rtsp/gstrtspsrc.c(8130): gst_rtspsrc_retrieve_sdp (): /GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0:
Failed to connect. (Generic error)
ERROR: pipeline doesn’t want to preroll.
Setting pipeline to NULL …
Freeing pipeline …

abhijeetthakare241093 · September 5, 2024, 3:28am

When i run :vlc -vvv rtsp://192.168.10.138:8554/ds-test

it return :

log-0903.txt (18.4 KB)

fanzh · September 5, 2024, 9:04am

is the port taken? you can use “netstat -tuln |grep 8554” to check before starting the application.
if the port is taken, you can change a new rtsp port in python code. here is my test log log-.txt (2.9 KB).