多流视频和confidence的问题

[DataXujing]

1. 使用deepstream5.0 python blinding 播多路视频，报错：

Now playing...
1 :  file:///opt/nvidia/deepstream/deepstream-5.0/MedcareCancer/video/test1.MP4
2 :  file:///opt/nvidia/deepstream/deepstream-5.0/MedcareCancer/video/normal.mp4
Starting pipeline 

gstnvtracker: Loading low-level lib at /opt/nvidia/deepstream/deepstream-5.0/lib/libnvds_mot_klt.so
gstnvtracker: Optional NvMOT_RemoveStreams not implemented
gstnvtracker: Batch processing is OFF
gstnvtracker: Past frame output is OFF
WARNING: ../nvdsinfer/nvdsinfer_func_utils.cpp:36 [TRT]: Current optimization profile is: 0. Please ensure there are no enqueued operations pending in this context prior to switching profiles
0:00:07.223443314 12126      0xf913230 INFO                 nvinfer gstnvinfer.cpp:619:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Info from NvDsInferContextImpl::deserializeEngineAndBackend() <nvdsinfer_context_impl.cpp:1701> [UID = 1]: deserialized trt engine from :/opt/nvidia/deepstream/deepstream-5.0/MedcareCancer/yolov5x.engine
INFO: ../nvdsinfer/nvdsinfer_model_builder.cpp:685 [Implicit Engine Info]: layers num: 2
0   INPUT  kFLOAT data            3x640x640       
1   OUTPUT kFLOAT prob            6001x1x1        

0:00:07.223534210 12126      0xf913230 WARN                 nvinfer gstnvinfer.cpp:616:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::checkBackendParams() <nvdsinfer_context_impl.cpp:1642> [UID = 1]: Backend has maxBatchSize 1 whereas 2 has been requested
0:00:07.223548232 12126      0xf913230 WARN                 nvinfer gstnvinfer.cpp:616:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Warning from NvDsInferContextImpl::generateBackendContext() <nvdsinfer_context_impl.cpp:1813> [UID = 1]: deserialized backend context :/opt/nvidia/deepstream/deepstream-5.0/MedcareCancer/yolov5x.engine failed to match config params, trying rebuild
0:00:07.226341586 12126      0xf913230 INFO                 nvinfer gstnvinfer.cpp:619:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Info from NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:1715> [UID = 1]: Trying to create engine from model files
Begin cuda engine build...
Yolo type is not defined from config file name:
ERROR: ../nvdsinfer/nvdsinfer_model_builder.cpp:797 Failed to create network using custom network creation function
ERROR: ../nvdsinfer/nvdsinfer_model_builder.cpp:862 Failed to get cuda engine from custom library API
0:00:07.226705404 12126      0xf913230 ERROR                nvinfer gstnvinfer.cpp:613:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:1735> [UID = 1]: build engine file failed
0:00:07.226726019 12126      0xf913230 ERROR                nvinfer gstnvinfer.cpp:613:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::generateBackendContext() <nvdsinfer_context_impl.cpp:1821> [UID = 1]: build backend context failed
0:00:07.226738061 12126      0xf913230 ERROR                nvinfer gstnvinfer.cpp:613:gst_nvinfer_logger:<primary-inference> NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::initialize() <nvdsinfer_context_impl.cpp:1148> [UID = 1]: generate backend failed, check config file settings
0:00:07.226944509 12126      0xf913230 WARN                 nvinfer gstnvinfer.cpp:809:gst_nvinfer_start:<primary-inference> error: Failed to create NvDsInferContext instance
0:00:07.226956569 12126      0xf913230 WARN                 nvinfer gstnvinfer.cpp:809:gst_nvinfer_start:<primary-inference> error: Config file path: config_infer_primary_yoloV5.txt, NvDsInfer Error: NVDSINFER_CONFIG_FAILED
Error: gst-resource-error-quark: Failed to create NvDsInferContext instance (1): gstnvinfer.cpp(809): gst_nvinfer_start (): /GstPipeline:pipeline0/GstNvInfer:primary-inference:
Config file path: config_infer_primary_yoloV5.txt, NvDsInfer Error: NVDSINFER_CONFIG_FAILED
Exiting app

2. 获取box的confidence获取到的值都是： -0.10000000149011612