当前位置: 首页 > news >正文

Linux 35.6 + JetPack v5.1.4@DeepStream安装

Linux 35.6 + JetPack v5.1.4@DeepStream安装

  • 1. 源由
  • 2. 步骤
    • Step 1 安装Jetpack 5.1.4 L4T 35.6
    • Step 2 安装依赖组件
    • Step 3 安装librdkafka
    • Step 4 安装 DeepStream SDK
    • Step 5 测试 deepstream-app
    • Step 6 运行 deepstream-app
  • 3. 总结
    • 3.1 版本问题
    • 3.2 二进制help
  • 4. 参考资料

1. 源由

为了确保在Jetson Orin平台上继续我们追求的 FPV Geek SDK 推进;奠定一些基础技术的经验和基础;

  • Ardupilot开源无人机之Geek SDK讨论
  • Ardupilot & OpenIPC & 基于WFB-NG构架分析和数据链路思考
  • ArduPilot开源飞控之MAVProxy深入研读系列 - 2蜂群链路

目前,在Jetson Orin 8GB的板子上 jetson-fpv 性能不佳的情况,着实令人着急,呵呵!

2. 步骤

Step 1 安装Jetpack 5.1.4 L4T 35.6

参考:《Linux 36.3@Jetson Orin Nano之系统安装》

Step 2 安装依赖组件

$ sudo apt install \
libssl1.1 \
libgstreamer1.0-0 \
gstreamer1.0-tools \
gstreamer1.0-plugins-good \
gstreamer1.0-plugins-bad \
gstreamer1.0-plugins-ugly \
gstreamer1.0-libav \
libgstreamer-plugins-base1.0-dev \
libgstrtspserver-1.0-0 \
libjansson4 \
libyaml-cpp-dev

Step 3 安装librdkafka

  1. Clone the librdkafka repository from GitHub:
$ git clone https://github.com/edenhill/librdkafka.git

或者

git clone git@github.com:confluentinc/librdkafka.git
  1. Configure and build the library:
$ cd librdkafka
$ git reset --hard 7101c2310341ab3f4675fc565f64f0967e135a6a
$ ./configure
$ make
$ sudo make install
  1. Copy the generated libraries to the deepstream directory:
$ sudo mkdir -p /opt/nvidia/deepstream/deepstream-6.3/lib
$ sudo cp /usr/local/lib/librdkafka* /opt/nvidia/deepstream/deepstream-6.3/lib
$ ls /opt/nvidia/deepstream/deepstream-6.3/lib
librdkafka++.a  librdkafka.a  librdkafka++.so  librdkafka.so  librdkafka++.so.1  librdkafka.so.1

Step 4 安装 DeepStream SDK

  1. Download DS SDK
$ wget --content-disposition 'https://api.ngc.nvidia.com/v2/resources/org/nvidia/deepstream/6.3/files?redirect=true&path=deepstream_sdk_v6.3.0_jetson.tbz2' -O deepstream_sdk_v6.3.0_jetson.tbz2

或者,通过网页下载:DeepStream SDK

  1. Install DS SDK
$ sudo tar -xvf deepstream_sdk_v6.3.0_jetson.tbz2 -C /
$ cd /opt/nvidia/deepstream/deepstream-6.3
$ sudo ./install.sh
$ sudo ldconfig

Step 5 测试 deepstream-app

$ ldd /usr/bin/deepstream-applinux-vdso.so.1 (0x0000ffff9420b000)libgstreamer-1.0.so.0 => /lib/aarch64-linux-gnu/libgstreamer-1.0.so.0 (0x0000ffff93f2f000)libgstvideo-1.0.so.0 => /lib/aarch64-linux-gnu/libgstvideo-1.0.so.0 (0x0000ffff93e7a000)libglib-2.0.so.0 => /lib/aarch64-linux-gnu/libglib-2.0.so.0 (0x0000ffff93d3f000)libgobject-2.0.so.0 => /lib/aarch64-linux-gnu/libgobject-2.0.so.0 (0x0000ffff93ccd000)libgstrtspserver-1.0.so.0 => /lib/aarch64-linux-gnu/libgstrtspserver-1.0.so.0 (0x0000ffff93c5a000)libjson-glib-1.0.so.0 => /lib/aarch64-linux-gnu/libjson-glib-1.0.so.0 (0x0000ffff93c21000)libyaml-cpp.so.0.6 => /lib/aarch64-linux-gnu/libyaml-cpp.so.0.6 (0x0000ffff93bc1000)libnvdsgst_meta.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvdsgst_meta.so (0x0000ffff93bab000)libnvdsgst_smartrecord.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvdsgst_smartrecord.so (0x0000ffff93b94000)libnvdsgst_helper.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvdsgst_helper.so (0x0000ffff93b7c000)libnvdsgst_customhelper.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvdsgst_customhelper.so (0x0000ffff93b63000)libnvds_meta.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvds_meta.so (0x0000ffff93b4c000)libnvds_utils.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvds_utils.so (0x0000ffff93542000)libnvds_msgbroker.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvds_msgbroker.so (0x0000ffff93528000)libX11.so.6 => /lib/aarch64-linux-gnu/libX11.so.6 (0x0000ffff933e3000)libdl.so.2 => /lib/aarch64-linux-gnu/libdl.so.2 (0x0000ffff933cf000)libstdc++.so.6 => /lib/aarch64-linux-gnu/libstdc++.so.6 (0x0000ffff931ea000)libpthread.so.0 => /lib/aarch64-linux-gnu/libpthread.so.0 (0x0000ffff931b9000)librt.so.1 => /lib/aarch64-linux-gnu/librt.so.1 (0x0000ffff931a1000)libm.so.6 => /lib/aarch64-linux-gnu/libm.so.6 (0x0000ffff930f6000)libc.so.6 => /lib/aarch64-linux-gnu/libc.so.6 (0x0000ffff92f83000)/lib/ld-linux-aarch64.so.1 (0x0000ffff941db000)libgcc_s.so.1 => /lib/aarch64-linux-gnu/libgcc_s.so.1 (0x0000ffff92f5f000)libgmodule-2.0.so.0 => /lib/aarch64-linux-gnu/libgmodule-2.0.so.0 (0x0000ffff92f4b000)libgstbase-1.0.so.0 => /lib/aarch64-linux-gnu/libgstbase-1.0.so.0 (0x0000ffff92ec6000)liborc-0.4.so.0 => /lib/aarch64-linux-gnu/liborc-0.4.so.0 (0x0000ffff92e37000)libpcre.so.3 => /lib/aarch64-linux-gnu/libpcre.so.3 (0x0000ffff92dc5000)libffi.so.7 => /lib/aarch64-linux-gnu/libffi.so.7 (0x0000ffff92dac000)libgstnet-1.0.so.0 => /lib/aarch64-linux-gnu/libgstnet-1.0.so.0 (0x0000ffff92d85000)libgstrtp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstrtp-1.0.so.0 (0x0000ffff92d4f000)libgstrtsp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstrtsp-1.0.so.0 (0x0000ffff92d1a000)libgstsdp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstsdp-1.0.so.0 (0x0000ffff92cf1000)libgstapp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstapp-1.0.so.0 (0x0000ffff92cd1000)libgio-2.0.so.0 => /lib/aarch64-linux-gnu/libgio-2.0.so.0 (0x0000ffff92ad4000)libgstpbutils-1.0.so.0 => /lib/aarch64-linux-gnu/libgstpbutils-1.0.so.0 (0x0000ffff92a86000)libnvinfer.so.8 => /lib/aarch64-linux-gnu/libnvinfer.so.8 (0x0000ffff8592d000)libnvds_logger.so => /opt/nvidia/deepstream/deepstream-6.3/lib/libnvds_logger.so (0x0000ffff8591b000)libxcb.so.1 => /lib/aarch64-linux-gnu/libxcb.so.1 (0x0000ffff858e4000)libz.so.1 => /lib/aarch64-linux-gnu/libz.so.1 (0x0000ffff858b8000)libmount.so.1 => /lib/aarch64-linux-gnu/libmount.so.1 (0x0000ffff8584a000)libselinux.so.1 => /lib/aarch64-linux-gnu/libselinux.so.1 (0x0000ffff85812000)libresolv.so.2 => /lib/aarch64-linux-gnu/libresolv.so.2 (0x0000ffff857ec000)libgstaudio-1.0.so.0 => /lib/aarch64-linux-gnu/libgstaudio-1.0.so.0 (0x0000ffff85768000)libgsttag-1.0.so.0 => /lib/aarch64-linux-gnu/libgsttag-1.0.so.0 (0x0000ffff8571b000)libnvdla_compiler.so => /usr/lib/aarch64-linux-gnu/tegra/libnvdla_compiler.so (0x0000ffff84fe0000)libcudla.so.1 => /usr/local/cuda/targets/aarch64-linux/lib/libcudla.so.1 (0x0000ffff84fa3000)libXau.so.6 => /lib/aarch64-linux-gnu/libXau.so.6 (0x0000ffff84f8f000)libXdmcp.so.6 => /lib/aarch64-linux-gnu/libXdmcp.so.6 (0x0000ffff84f79000)libblkid.so.1 => /lib/aarch64-linux-gnu/libblkid.so.1 (0x0000ffff84f13000)libpcre2-8.so.0 => /lib/aarch64-linux-gnu/libpcre2-8.so.0 (0x0000ffff84e83000)libnvos.so => /usr/lib/aarch64-linux-gnu/tegra/libnvos.so (0x0000ffff84e63000)libnvdla_runtime.so => /usr/lib/aarch64-linux-gnu/tegra/libnvdla_runtime.so (0x0000ffff8480b000)libcuda.so.1 => /usr/lib/aarch64-linux-gnu/tegra/libcuda.so.1 (0x0000ffff831b4000)libbsd.so.0 => /lib/aarch64-linux-gnu/libbsd.so.0 (0x0000ffff8318d000)libnvrm_host1x.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_host1x.so (0x0000ffff8316a000)libnvrm_mem.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_mem.so (0x0000ffff83152000)libnvsocsys.so => /usr/lib/aarch64-linux-gnu/tegra/libnvsocsys.so (0x0000ffff8313e000)libnvrm_gpu.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_gpu.so (0x0000ffff830d1000)libnvrm_sync.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_sync.so (0x0000ffff830ba000)libnvrm_chip.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_chip.so (0x0000ffff830a4000)libnvsciipc.so => /usr/lib/aarch64-linux-gnu/tegra/libnvsciipc.so (0x0000ffff8307f000)

Step 6 运行 deepstream-app

$ cd /opt/nvidia/deepstream/deepstream/samples/configs/deepstream-app/
$ deepstream-app -c source4_1080p_dec_infer-resnet_tracker_sgie_tiled_display_int8.yml

3. 总结

NVIDIA提供的硬件及其相关库,原厂维护,不开源。应用相关示例代码开源或者提供源代码。

因此,在安装这些性能加速软件时,尤其要注意其版本的对应关系。

若需要进行大型开发,必须关注原厂开发动态以及版本支持情况。进而,公司软件在规划时需要充分考虑进度、里程碑等相应适配。

  • Which DS version for Jetson Orin Nano/Jetpack 5.1.4/L4T 35.6.0?

3.1 版本问题

  1. Download DS SDK 6.4.0
$ wget --content-disposition 'https://api.ngc.nvidia.com/v2/resources/org/nvidia/deepstream/6.4/files?redirect=true&path=deepstream_sdk_v6.4.0_jetson.tbz2' -O deepstream_sdk_v6.4.0_jetson.tbz2

或者,通过网页下载:DeepStream SDK

  1. Install DS SDK 6.4.0
$ sudo tar -xvf deepstream_sdk_v6.4.0_jetson.tbz2 -C /
$ cd /opt/nvidia/deepstream/deepstream-6.4
$ sudo ./install.sh
$ sudo ldconfig
  1. ldd deepstream-app

出现so文件不存在等问题,基本都是链接环节出现的,也就是二进制在编译链接的路径或者库版本不一致的问题。

daniel@daniel-nvidia:~/Work$ ldd /usr/bin/deepstream-app
/usr/bin/deepstream-app: /lib/aarch64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.29' not found (required by /usr/bin/deepstream-app)
/usr/bin/deepstream-app: /lib/aarch64-linux-gnu/libc.so.6: version `GLIBC_2.32' not found (required by /usr/bin/deepstream-app)
/usr/bin/deepstream-app: /lib/aarch64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by /usr/bin/deepstream-app)
/usr/bin/deepstream-app: /lib/aarch64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by /opt/nvidia/deepstream/deepstream-6.4/lib/libnvds_utils.so)
/usr/bin/deepstream-app: /lib/aarch64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.29' not found (required by /opt/nvidia/deepstream/deepstream-6.4/lib/libnvds_msgbroker.so)
/usr/bin/deepstream-app: /lib/aarch64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by /opt/nvidia/deepstream/deepstream-6.4/lib/libnvds_msgbroker.so)linux-vdso.so.1 (0x0000ffffa8400000)libgstreamer-1.0.so.0 => /lib/aarch64-linux-gnu/libgstreamer-1.0.so.0 (0x0000ffffa80f1000)libgstvideo-1.0.so.0 => /lib/aarch64-linux-gnu/libgstvideo-1.0.so.0 (0x0000ffffa803c000)libglib-2.0.so.0 => /lib/aarch64-linux-gnu/libglib-2.0.so.0 (0x0000ffffa7f01000)libgobject-2.0.so.0 => /lib/aarch64-linux-gnu/libgobject-2.0.so.0 (0x0000ffffa7e8f000)libgstrtspserver-1.0.so.0 => /lib/aarch64-linux-gnu/libgstrtspserver-1.0.so.0 (0x0000ffffa7e1c000)libjson-glib-1.0.so.0 => /lib/aarch64-linux-gnu/libjson-glib-1.0.so.0 (0x0000ffffa7de3000)libyaml-cpp.so.0.7 => not foundlibnvdsgst_meta.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvdsgst_meta.so (0x0000ffffa7dcd000)libnvdsgst_smartrecord.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvdsgst_smartrecord.so (0x0000ffffa7db6000)libnvdsgst_helper.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvdsgst_helper.so (0x0000ffffa7d9d000)libnvdsgst_customhelper.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvdsgst_customhelper.so (0x0000ffffa7d83000)libnvds_meta.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvds_meta.so (0x0000ffffa7d6b000)libnvds_utils.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvds_utils.so (0x0000ffffa749a000)libnvds_msgbroker.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvds_msgbroker.so (0x0000ffffa747f000)libX11.so.6 => /lib/aarch64-linux-gnu/libX11.so.6 (0x0000ffffa733a000)libstdc++.so.6 => /lib/aarch64-linux-gnu/libstdc++.so.6 (0x0000ffffa7155000)libm.so.6 => /lib/aarch64-linux-gnu/libm.so.6 (0x0000ffffa70aa000)libc.so.6 => /lib/aarch64-linux-gnu/libc.so.6 (0x0000ffffa6f37000)/lib/ld-linux-aarch64.so.1 (0x0000ffffa83d0000)libgcc_s.so.1 => /lib/aarch64-linux-gnu/libgcc_s.so.1 (0x0000ffffa6f13000)libgmodule-2.0.so.0 => /lib/aarch64-linux-gnu/libgmodule-2.0.so.0 (0x0000ffffa6eff000)libdl.so.2 => /lib/aarch64-linux-gnu/libdl.so.2 (0x0000ffffa6eeb000)libpthread.so.0 => /lib/aarch64-linux-gnu/libpthread.so.0 (0x0000ffffa6eba000)libgstbase-1.0.so.0 => /lib/aarch64-linux-gnu/libgstbase-1.0.so.0 (0x0000ffffa6e35000)liborc-0.4.so.0 => /lib/aarch64-linux-gnu/liborc-0.4.so.0 (0x0000ffffa6da6000)libpcre.so.3 => /lib/aarch64-linux-gnu/libpcre.so.3 (0x0000ffffa6d34000)libffi.so.7 => /lib/aarch64-linux-gnu/libffi.so.7 (0x0000ffffa6d1b000)libgstnet-1.0.so.0 => /lib/aarch64-linux-gnu/libgstnet-1.0.so.0 (0x0000ffffa6cf4000)libgstrtp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstrtp-1.0.so.0 (0x0000ffffa6cbe000)libgstrtsp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstrtsp-1.0.so.0 (0x0000ffffa6c89000)libgstsdp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstsdp-1.0.so.0 (0x0000ffffa6c60000)libgstapp-1.0.so.0 => /lib/aarch64-linux-gnu/libgstapp-1.0.so.0 (0x0000ffffa6c40000)libgio-2.0.so.0 => /lib/aarch64-linux-gnu/libgio-2.0.so.0 (0x0000ffffa6a43000)libgstpbutils-1.0.so.0 => /lib/aarch64-linux-gnu/libgstpbutils-1.0.so.0 (0x0000ffffa69f7000)libnvinfer.so.8 => /lib/aarch64-linux-gnu/libnvinfer.so.8 (0x0000ffff9989c000)libnvds_logger.so => /opt/nvidia/deepstream/deepstream-6.4/lib/libnvds_logger.so (0x0000ffff9988a000)libxcb.so.1 => /lib/aarch64-linux-gnu/libxcb.so.1 (0x0000ffff99853000)libz.so.1 => /lib/aarch64-linux-gnu/libz.so.1 (0x0000ffff99829000)libmount.so.1 => /lib/aarch64-linux-gnu/libmount.so.1 (0x0000ffff997b9000)libselinux.so.1 => /lib/aarch64-linux-gnu/libselinux.so.1 (0x0000ffff99781000)libresolv.so.2 => /lib/aarch64-linux-gnu/libresolv.so.2 (0x0000ffff9975b000)libgstaudio-1.0.so.0 => /lib/aarch64-linux-gnu/libgstaudio-1.0.so.0 (0x0000ffff996d7000)libgsttag-1.0.so.0 => /lib/aarch64-linux-gnu/libgsttag-1.0.so.0 (0x0000ffff9968c000)librt.so.1 => /lib/aarch64-linux-gnu/librt.so.1 (0x0000ffff99672000)libnvdla_compiler.so => /usr/lib/aarch64-linux-gnu/tegra/libnvdla_compiler.so (0x0000ffff98f37000)libcudla.so.1 => /usr/local/cuda/targets/aarch64-linux/lib/libcudla.so.1 (0x0000ffff98efa000)libXau.so.6 => /lib/aarch64-linux-gnu/libXau.so.6 (0x0000ffff98ee6000)libXdmcp.so.6 => /lib/aarch64-linux-gnu/libXdmcp.so.6 (0x0000ffff98ed0000)libblkid.so.1 => /lib/aarch64-linux-gnu/libblkid.so.1 (0x0000ffff98e68000)libpcre2-8.so.0 => /lib/aarch64-linux-gnu/libpcre2-8.so.0 (0x0000ffff98dda000)libnvos.so => /usr/lib/aarch64-linux-gnu/tegra/libnvos.so (0x0000ffff98dba000)libnvdla_runtime.so => /usr/lib/aarch64-linux-gnu/tegra/libnvdla_runtime.so (0x0000ffff98762000)libcuda.so.1 => /usr/lib/aarch64-linux-gnu/tegra/libcuda.so.1 (0x0000ffff9710b000)libbsd.so.0 => /lib/aarch64-linux-gnu/libbsd.so.0 (0x0000ffff970e2000)libnvrm_host1x.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_host1x.so (0x0000ffff970c1000)libnvrm_mem.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_mem.so (0x0000ffff970a9000)libnvsocsys.so => /usr/lib/aarch64-linux-gnu/tegra/libnvsocsys.so (0x0000ffff97095000)libnvrm_gpu.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_gpu.so (0x0000ffff97028000)libnvrm_sync.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_sync.so (0x0000ffff9700f000)libnvrm_chip.so => /usr/lib/aarch64-linux-gnu/tegra/libnvrm_chip.so (0x0000ffff96ffb000)libnvsciipc.so => /usr/lib/aarch64-linux-gnu/tegra/libnvsciipc.so (0x0000ffff96fd6000)

检查本地依赖库的当前情况:glibc版本不对,

  • GLIBC_2.34 or GLIBC_2.32 //存在,版本不对
  • GLIBCXX_3.4.29 //存在,版本不对
  • libyaml-cpp.so //存在,版本不对
$ whereis libyaml-cpp
libyaml-cpp: /usr/lib/aarch64-linux-gnu/libyaml-cpp.so /usr/lib/aarch64-linux-gnu/libyaml-cpp.a$ whereis libc.so
libc: /usr/lib/aarch64-linux-gnu/libc.a /usr/lib/aarch64-linux-gnu/libc.so$ strings /lib/aarch64-linux-gnu/libstdc++.so.6 | grep GLIBCXX
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
GLIBCXX_3.4.4
GLIBCXX_3.4.5
GLIBCXX_3.4.6
GLIBCXX_3.4.7
GLIBCXX_3.4.8
GLIBCXX_3.4.9
GLIBCXX_3.4.10
GLIBCXX_3.4.11
GLIBCXX_3.4.12
GLIBCXX_3.4.13
GLIBCXX_3.4.14
GLIBCXX_3.4.15
GLIBCXX_3.4.16
GLIBCXX_3.4.17
GLIBCXX_3.4.18
GLIBCXX_3.4.19
GLIBCXX_3.4.20
GLIBCXX_3.4.21
GLIBCXX_3.4.22
GLIBCXX_3.4.23
GLIBCXX_3.4.24
GLIBCXX_3.4.25
GLIBCXX_3.4.26
GLIBCXX_3.4.27
GLIBCXX_3.4.28
GLIBCXX_DEBUG_MESSAGE_LENGTH

3.2 二进制help

本能的认为“-i 输入文件”;“-c 配置文件”。实际存在两个问题:

  1. 示例代码deepstream-app代码hardcoded一个txt文件
  2. 这个txt文件若存在,会导入这个配置文件里面的视频文件
$ deepstream-app --help
Usage:deepstream-app [OPTION?] Nvidia DeepStream DemoHelp Options:-h, --help                        Show help options--help-all                        Show all help options--help-gst                        Show GStreamer OptionsApplication Options:-v, --version                     Print DeepStreamSDK version-t, --tiledtext                   Display Bounding box labels in tiled mode--version-all                     Print DeepStreamSDK and dependencies version-c, --cfg-file                    Set the config file-i, --input-uri                   Set the input uri (file://stream or rtsp://stream)

4. 参考资料

【1】DeepStream SDK
【2】DeepStream 6.3 Quick Start

相关文章:

Linux 35.6 + JetPack v5.1.4@DeepStream安装

Linux 35.6 JetPack v5.1.4DeepStream安装 1. 源由2. 步骤Step 1 安装Jetpack 5.1.4 L4T 35.6Step 2 安装依赖组件Step 3 安装librdkafkaStep 4 安装 DeepStream SDKStep 5 测试 deepstream-appStep 6 运行 deepstream-app 3. 总结3.1 版本问题3.2 二进制help 4. 参考资料 1. …...

图数据库 | 11、图数据库架构设计——高性能图存储架构(下)

在上篇内容中,老夫着重讲了高性能图存储系统的特点,咱们继续往下讲重点——高性能存储架构的设计思路!! 2.高性能存储架构设计思路 首先呢,存储架构以及核心数据结构的设计思路通常围绕如下4个维度来进行&#xff1a…...

【HTTP】HTTP协议

一个Web Server就是个服务器软件(程序),或者是运行这个服务器软件的硬件(计算机),其主要功能是通过HTTP协议与客户端进行通信,来接收,存储,处理来自客户端的HTTP请求&…...

大数据新视界 -- Hive 基于 MapReduce 的执行原理(上)(23 / 30)

💖💖💖亲爱的朋友们,热烈欢迎你们来到 青云交的博客!能与你们在此邂逅,我满心欢喜,深感无比荣幸。在这个瞬息万变的时代,我们每个人都在苦苦追寻一处能让心灵安然栖息的港湾。而 我的…...

SpringBoot源码解析(六):打印Banner

SpringBoot源码系列文章 SpringBoot源码解析(一):SpringApplication构造方法 SpringBoot源码解析(二):引导上下文DefaultBootstrapContext SpringBoot源码解析(三):启动开始阶段 SpringBoot源码解析(四):解析应用参数args Sp…...

【计算机网络】实验6:IPV4地址的构造超网及IP数据报

实验 6:IPV4地址的构造超网及IP数据报 一、 实验目的 加深对IPV4地址的构造超网(无分类编制)的了解。 加深对IP数据包的发送和转发流程的了解。 二、 实验环境 • Cisco Packet Tracer 模拟器 三、 实验内容 1、了解IPV4地址的构造超网…...

easy excel 生成excel 文件

导包 <dependency><groupId>com.alibaba</groupId><artifactId>easyexcel</artifactId><version>3.3.3</version> </dependency> 内容 List<类> limspjreport 值; String fileName sdf.format(new Date()) "-…...

Ajax:回忆与节点

一点回忆 面对我的Ajax学习&#xff0c;实现前后端交互&#xff0c;最开始我采用的使用网络寻找intellij IDEA Ultimate破解方法&#xff0c;然后最终成功&#xff0c;然后按照相关教程配置java ee项目&#xff0c;然后中间又去配置了Tomcat服务器&#xff0c;然后又去学习了一…...

Python+OpenCV系列:Python和OpenCV的结合和发展

PythonOpenCV系列&#xff1a;Python和OpenCV的结合和发展 **引言****Python语言的发展****1.1 Python的诞生与发展****1.2 Python的核心特性与优势****1.3 Python的应用领域** **OpenCV的发展****2.1 OpenCV的起源与发展****2.2 OpenCV的功能特性****2.3 OpenCV的应用场景** *…...

Ubuntu20.04 由源码编译安装opencv3.2 OpenCV

Ubuntu20.04 由源码编译安装opencv3.2.0 获取 opencv 及opencv_contrib源代码 创建目录以存放opencv及opencv_contrib源代码 mkdir ~/opencv3.2.0 cd ~/opencv3.2.0获取opencv源代码并切换到对应tag git clone https://github.com/opencv/opencv.git cd opencv git checkou…...

A058-基于Spring Boot的餐饮管理系统的设计与实现

&#x1f64a;作者简介&#xff1a;在校研究生&#xff0c;拥有计算机专业的研究生开发团队&#xff0c;分享技术代码帮助学生学习&#xff0c;独立完成自己的网站项目。 代码可以查看项目链接获取⬇️&#xff0c;记得注明来意哦~&#x1f339; 赠送计算机毕业设计600个选题ex…...

RDIFramework.NET CS敏捷开发框架 SOA服务三种访问(直连、WCF、WebAPI)方式

1、介绍 在软件开发领域&#xff0c;尤其是企业级应用开发中&#xff0c;灵活性、开放性、可扩展性往往是项目成功的关键因素。对于C/S项目&#xff0c;如何高效地与后端数据库进行交互&#xff0c;以及如何提供多样化的服务访问方式&#xff0c;是开发者需要深入考虑的问题。…...

Linux——命名管道及日志

linux——进程间通信及管道的应用场景-CSDN博客 文章目录 目录 文章目录 前言 一、命名管道是什么&#xff1f; 理解&#xff1a; 2、编写代码 makefile 管道封装成类&#xff0c;想用中管道时只需要调用实例化 读端 写端 日志 1、日志是什么&#xff1f; 2、日志有什么&#x…...

Flink 常见面试题

1、Flink 的四大特征&#xff08;基石&#xff09; checkpoin基于Chandy-Lamport算法实现了分布式一致性快照提供了一致性的语义 state丰富的StateAPI time实现了Watermark机制&#xff0c;乱序数据处理&#xff0c;迟到数据容忍 window开箱即用的滚动&#xff0c;滑动会话窗口…...

rtc-pcf8563 0-0051: low voltage detected, date/time is not reliable

解决方法&#xff1a; 1、先测量pcf8563电源电压&#xff0c;是否满足要求。 2、pcf8563首次操作。第一次读取pcf8563的时间&#xff0c;未初始化&#xff0c;非法&#xff0c;芯片门槛电压检测配置不合理。使用hwclock命令写入一次&#xff0c;即可解决。 hwclock -f /dev/…...

(简单5步实现)部署本地AI大语言模型聊天系统:Chatbox AI + grok2.0大模型

摘要&#xff1a; 本文将指导您如何部署一个本地AI大语言模型聊天系统&#xff0c;使用Chatbox AI客户端应用和grok-beta大模型&#xff0c;以实现高效、智能的聊天体验。 引言&#xff1a; 由马斯克X-AI发布的Grok 2大模型以其卓越的性能超越了GPT4.0。Grok模型支持超长文本…...

MAUI APP开发蓝牙协议的经验分享:与跳绳设备对接

在开发MAUI应用程序时&#xff0c;蓝牙协议的应用是一个重要的环节&#xff0c;尤其是在需要与外部设备如智能跳绳进行数据交换的场景中。以下是我在开发过程中的一些经验和心得&#xff0c;希望能为你的项目提供帮助。 1. 蓝牙协议基础 蓝牙协议是无线通信的一种标准&#x…...

最新版Node.js下载安装及环境配置教程

目录 初识&#xff1a;Node.js 一、下载&#xff1a;Node.js 二、安装&#xff1a;Node.js 1.下载【node.js】压缩包安装文件 2.解压下载的安装包 3.打开解压的【node-v22.11.0-x64】文件夹 4.双击启动安装程序 5.点击【Next】 6.勾选【I accept the terms in the Lic…...

51c自动驾驶~合集39

我自己的原文哦~ https://blog.51cto.com/whaosoft/12707676 #DiffusionDrive 大幅超越所有SOTA&#xff01;地平线DiffusionDrive&#xff1a;生成式方案或将重塑端到端格局&#xff1f; 近年来&#xff0c;由于感知模型的性能持续进步&#xff0c;端到端自动驾驶受到了来…...

单链表基础操作

文章目录 abstract定义结点结构初始化链表遍历链表求表长查找结点根据序号查找结点根据值查找结点 插入结点首尾位置插入一般位置插入(通用插入)找到尾元素|尾指针相关操作 删除结点 abstract 单链表是一种简单的动态数据结构&#xff0c;它由一系列结点组成&#xff0c;每个结…...

51c自动驾驶~合集58

我自己的原文哦~ https://blog.51cto.com/whaosoft/13967107 #CCA-Attention 全局池化局部保留&#xff0c;CCA-Attention为LLM长文本建模带来突破性进展 琶洲实验室、华南理工大学联合推出关键上下文感知注意力机制&#xff08;CCA-Attention&#xff09;&#xff0c;…...

Mybatis逆向工程,动态创建实体类、条件扩展类、Mapper接口、Mapper.xml映射文件

今天呢&#xff0c;博主的学习进度也是步入了Java Mybatis 框架&#xff0c;目前正在逐步杨帆旗航。 那么接下来就给大家出一期有关 Mybatis 逆向工程的教学&#xff0c;希望能对大家有所帮助&#xff0c;也特别欢迎大家指点不足之处&#xff0c;小生很乐意接受正确的建议&…...

376. Wiggle Subsequence

376. Wiggle Subsequence 代码 class Solution { public:int wiggleMaxLength(vector<int>& nums) {int n nums.size();int res 1;int prediff 0;int curdiff 0;for(int i 0;i < n-1;i){curdiff nums[i1] - nums[i];if( (prediff > 0 && curdif…...

AI编程--插件对比分析:CodeRider、GitHub Copilot及其他

AI编程插件对比分析&#xff1a;CodeRider、GitHub Copilot及其他 随着人工智能技术的快速发展&#xff0c;AI编程插件已成为提升开发者生产力的重要工具。CodeRider和GitHub Copilot作为市场上的领先者&#xff0c;分别以其独特的特性和生态系统吸引了大量开发者。本文将从功…...

3403. 从盒子中找出字典序最大的字符串 I

3403. 从盒子中找出字典序最大的字符串 I 题目链接&#xff1a;3403. 从盒子中找出字典序最大的字符串 I 代码如下&#xff1a; class Solution { public:string answerString(string word, int numFriends) {if (numFriends 1) {return word;}string res;for (int i 0;i &…...

ios苹果系统,js 滑动屏幕、锚定无效

现象&#xff1a;window.addEventListener监听touch无效&#xff0c;划不动屏幕&#xff0c;但是代码逻辑都有执行到。 scrollIntoView也无效。 原因&#xff1a;这是因为 iOS 的触摸事件处理机制和 touch-action: none 的设置有关。ios有太多得交互动作&#xff0c;从而会影响…...

如何在网页里填写 PDF 表格?

有时候&#xff0c;你可能希望用户能在你的网站上填写 PDF 表单。然而&#xff0c;这件事并不简单&#xff0c;因为 PDF 并不是一种原生的网页格式。虽然浏览器可以显示 PDF 文件&#xff0c;但原生并不支持编辑或填写它们。更糟的是&#xff0c;如果你想收集表单数据&#xff…...

Java求职者面试指南:计算机基础与源码原理深度解析

Java求职者面试指南&#xff1a;计算机基础与源码原理深度解析 第一轮提问&#xff1a;基础概念问题 1. 请解释什么是进程和线程的区别&#xff1f; 面试官&#xff1a;进程是程序的一次执行过程&#xff0c;是系统进行资源分配和调度的基本单位&#xff1b;而线程是进程中的…...

多模态图像修复系统:基于深度学习的图片修复实现

多模态图像修复系统:基于深度学习的图片修复实现 1. 系统概述 本系统使用多模态大模型(Stable Diffusion Inpainting)实现图像修复功能,结合文本描述和图片输入,对指定区域进行内容修复。系统包含完整的数据处理、模型训练、推理部署流程。 import torch import numpy …...

Unity UGUI Button事件流程

场景结构 测试代码 public class TestBtn : MonoBehaviour {void Start(){var btn GetComponent<Button>();btn.onClick.AddListener(OnClick);}private void OnClick(){Debug.Log("666");}}当添加事件时 // 实例化一个ButtonClickedEvent的事件 [Formerl…...