本文男二号海康威视720p USB摄像头出场，尊容如下：
SBC需连接网络：
root@orangepizero2:~# ifconfig
wlan0: flags=4163< UP,BROADCAST,RUNNING,MULTICAST > mtu 1500
inet 192.168.99.217 netmask 255.255.255.0 broadcast 192.168.99.255
ether 2c:d2:6d:32:0e:e4 txqueuelen 1000 (Ethernet)
RX packets 25810 bytes 26081078 (24.8 MiB)
RX errors 0 dropped 63 overruns 0 frame 0
TX packets 8278 bytes 817894 (798.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
一、软件环境
（一）更新软件列表
操作系统基于官方的Debian。
root@orangepizero2:~# sudo apt-get update
Get:1 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye InRelease [116 kB]
Get:2 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates InRelease [44.1 kB]
Get:3 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports InRelease [49.0 kB]
Get:4 http://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security InRelease [48.4 kB]
Get:5 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main armhf Packages [10.8 MB]
Get:6 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates/main armhf Packages.diff/Index [18.5 kB]
Get:7 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates/main arm64 Packages.diff/Index [18.5 kB]
Get:8 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/main armhf Packages.diff/Index [63.3 kB]
Get:9 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/main arm64 Packages.diff/Index [63.3 kB]
Get:10 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib armhf Packages.diff/Index [33.0 kB]
Get:11 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/non-free arm64 Packages.diff/Index [20.7 kB]
Get:12 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/non-free armhf Packages.diff/Index [21.8 kB]
Get:13 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib arm64 Packages.diff/Index [40.9 kB]
Get:14 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates/main armhf Packages T-2023-05-24-2006.01-F-2023-05-24-2006.01.pdiff [362 B]
Get:15 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates/main arm64 Packages T-2023-05-24-2006.01-F-2023-05-24-2006.01.pdiff [362 B]
Get:16 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/main armhf Packages T-2023-07-18-1410.09-F-2023-04-15-1404.36.pdiff [57.5 kB]
Get:14 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates/main armhf Packages T-2023-05-24-2006.01-F-2023-05-24-2006.01.pdiff [362 B]
Get:17 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/main arm64 Packages T-2023-07-18-1410.09-F-2023-04-15-1404.36.pdiff [58.5 kB]
Get:15 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates/main arm64 Packages T-2023-05-24-2006.01-F-2023-05-24-2006.01.pdiff [362 B]
Get:16 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/main armhf Packages T-2023-07-18-1410.09-F-2023-04-15-1404.36.pdiff [57.5 kB]
Get:17 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/main arm64 Packages T-2023-07-18-1410.09-F-2023-04-15-1404.36.pdiff [58.5 kB]
Get:18 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib armhf Packages T-2023-05-22-0203.06-F-2023-05-17-1402.44.pdiff [1,601 B]
Get:19 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/non-free arm64 Packages T-2023-07-18-0816.49-F-2023-04-23-0208.18.pdiff [2,123 B]
Get:20 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/non-free armhf Packages T-2023-07-18-0816.49-F-2023-04-23-0208.18.pdiff [2,123 B]
Get:21 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib arm64 Packages T-2023-05-22-0203.06-F-2023-05-17-1402.44.pdiff [2,054 B]
Get:18 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib armhf Packages T-2023-05-22-0203.06-F-2023-05-17-1402.44.pdiff [1,601 B]
Get:21 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib arm64 Packages T-2023-05-22-0203.06-F-2023-05-17-1402.44.pdiff [2,054 B]
Get:20 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/non-free armhf Packages T-2023-07-18-0816.49-F-2023-04-23-0208.18.pdiff [2,123 B]
Get:19 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/non-free arm64 Packages T-2023-07-18-0816.49-F-2023-04-23-0208.18.pdiff [2,123 B]
Get:22 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/contrib armhf Packages [47.8 kB]
Get:23 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/non-free armhf Packages [67.2 kB]
Get:24 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/contrib arm64 Packages [49.0 kB]
Get:25 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 Packages [10.9 MB]
Get:26 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/non-free arm64 Packages [88.2 kB]
Get:27 http://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security/main arm64 Packages [315 kB]
Get:28 http://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security/main armhf Packages [316 kB]
Get:29 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib armhf Packages T-2023-05-22-0203.06-F-2023-05-22-0203.06.pdiff [547 B]
Get:29 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-backports/contrib armhf Packages T-2023-05-22-0203.06-F-2023-05-22-0203.06.pdiff [547 B]
Fetched 23.3 MB in 26s (889 kB/s)
Reading package lists... Done
N: Repository 'http://mirrors.tuna.tsinghua.edu.cn/debian bullseye InRelease' changed its 'Version' value from '11.6' to '11.7'
N: Repository 'http://mirrors.tuna.tsinghua.edu.cn/debian bullseye InRelease' changed its 'Suite' value from 'stable' to 'oldstable'
N: Repository 'http://mirrors.tuna.tsinghua.edu.cn/debian bullseye-updates InRelease' changed its 'Suite' value from 'stable-updates' to 'oldstable-updates'
N: Repository 'http://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security InRelease' changed its 'Suite' value from 'stable-security' to 'oldstable-security'
（二）安装libjpeg62-turbo-dev
root@orangepizero2:~# sudo apt-get install libjpeg62-turbo-dev
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following NEW packages will be installed:
libjpeg62-turbo-dev
0 upgraded, 1 newly installed, 0 to remove and 111 not upgraded.
Need to get 255 kB of archives.
After this operation, 649 kB of additional disk space will be used.
Get:1 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 libjpeg62-turbo-dev arm64 1:2.0.6-4 [255 kB]
Fetched 255 kB in 1s (498 kB/s)
Selecting previously unselected package libjpeg62-turbo-dev:arm64.
(Reading database ... 139008 files and directories currently installed.)
Preparing to unpack .../libjpeg62-turbo-dev_1%3a2.0.6-4_arm64.deb ...
Unpacking libjpeg62-turbo-dev:arm64 (1:2.0.6-4) ...
Setting up libjpeg62-turbo-dev:arm64 (1:2.0.6-4) ...
（三）安装imagemagick
root@orangepizero2:~# sudo apt-get install imagemagick
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
imagemagick-6-common imagemagick-6.q16 liblqr-1-0 libmagickcore-6.q16-6 libmagickwand-6.q16-6
Suggested packages:
imagemagick-doc autotrace enscript ffmpeg gnuplot grads hp2xx html2ps libwmf-bin mplayer povray radiance sane-utils texlive-base-bin
transfig ufraw-batch libmagickcore-6.q16-6-extra
Recommended packages:
libmagickcore-6.q16-6-extra netpbm gsfonts
The following NEW packages will be installed:
imagemagick imagemagick-6-common imagemagick-6.q16 liblqr-1-0 libmagickcore-6.q16-6 libmagickwand-6.q16-6
0 upgraded, 6 newly installed, 0 to remove and 111 not upgraded.
Need to get 2,802 kB of archives.
After this operation, 8,890 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 liblqr-1-0 arm64 0.4.2-2.1 [23.9 kB]
Get:2 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 imagemagick-6-common all 8:6.9.11.60+dfsg-1.3+deb11u1 [211 kB]
Get:3 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 libmagickcore-6.q16-6 arm64 8:6.9.11.60+dfsg-1.3+deb11u1 [1,625 kB]
Get:4 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 libmagickwand-6.q16-6 arm64 8:6.9.11.60+dfsg-1.3+deb11u1 [394 kB]
Get:5 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 imagemagick-6.q16 arm64 8:6.9.11.60+dfsg-1.3+deb11u1 [383 kB]
Get:6 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 imagemagick arm64 8:6.9.11.60+dfsg-1.3+deb11u1 [166 kB]
Fetched 2,802 kB in 3s (845 kB/s)
Selecting previously unselected package liblqr-1-0:arm64.
(Reading database ... 139029 files and directories currently installed.)
Preparing to unpack .../0-liblqr-1-0_0.4.2-2.1_arm64.deb ...
Unpacking liblqr-1-0:arm64 (0.4.2-2.1) ...
Selecting previously unselected package imagemagick-6-common.
Preparing to unpack .../1-imagemagick-6-common_8%3a6.9.11.60+dfsg-1.3+deb11u1_all.deb ...
Unpacking imagemagick-6-common (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Selecting previously unselected package libmagickcore-6.q16-6:arm64.
Preparing to unpack .../2-libmagickcore-6.q16-6_8%3a6.9.11.60+dfsg-1.3+deb11u1_arm64.deb ...
Unpacking libmagickcore-6.q16-6:arm64 (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Selecting previously unselected package libmagickwand-6.q16-6:arm64.
Preparing to unpack .../3-libmagickwand-6.q16-6_8%3a6.9.11.60+dfsg-1.3+deb11u1_arm64.deb ...
Unpacking libmagickwand-6.q16-6:arm64 (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Selecting previously unselected package imagemagick-6.q16.
Preparing to unpack .../4-imagemagick-6.q16_8%3a6.9.11.60+dfsg-1.3+deb11u1_arm64.deb ...
Unpacking imagemagick-6.q16 (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Selecting previously unselected package imagemagick.
Preparing to unpack .../5-imagemagick_8%3a6.9.11.60+dfsg-1.3+deb11u1_arm64.deb ...
Unpacking imagemagick (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Setting up imagemagick-6-common (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Setting up liblqr-1-0:arm64 (0.4.2-2.1) ...
Setting up libmagickcore-6.q16-6:arm64 (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Setting up libmagickwand-6.q16-6:arm64 (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Setting up imagemagick-6.q16 (8:6.9.11.60+dfsg-1.3+deb11u1) ...
update-alternatives: using /usr/bin/compare-im6.q16 to provide /usr/bin/compare (compare) in auto mode
update-alternatives: using /usr/bin/compare-im6.q16 to provide /usr/bin/compare-im6 (compare-im6) in auto mode
update-alternatives: using /usr/bin/animate-im6.q16 to provide /usr/bin/animate (animate) in auto mode
update-alternatives: using /usr/bin/animate-im6.q16 to provide /usr/bin/animate-im6 (animate-im6) in auto mode
update-alternatives: using /usr/bin/convert-im6.q16 to provide /usr/bin/convert (convert) in auto mode
update-alternatives: using /usr/bin/convert-im6.q16 to provide /usr/bin/convert-im6 (convert-im6) in auto mode
update-alternatives: using /usr/bin/composite-im6.q16 to provide /usr/bin/composite (composite) in auto mode
update-alternatives: using /usr/bin/composite-im6.q16 to provide /usr/bin/composite-im6 (composite-im6) in auto mode
update-alternatives: using /usr/bin/conjure-im6.q16 to provide /usr/bin/conjure (conjure) in auto mode
update-alternatives: using /usr/bin/conjure-im6.q16 to provide /usr/bin/conjure-im6 (conjure-im6) in auto mode
update-alternatives: using /usr/bin/import-im6.q16 to provide /usr/bin/import (import) in auto mode
update-alternatives: using /usr/bin/import-im6.q16 to provide /usr/bin/import-im6 (import-im6) in auto mode
update-alternatives: using /usr/bin/identify-im6.q16 to provide /usr/bin/identify (identify) in auto mode
update-alternatives: using /usr/bin/identify-im6.q16 to provide /usr/bin/identify-im6 (identify-im6) in auto mode
update-alternatives: using /usr/bin/stream-im6.q16 to provide /usr/bin/stream (stream) in auto mode
update-alternatives: using /usr/bin/stream-im6.q16 to provide /usr/bin/stream-im6 (stream-im6) in auto mode
update-alternatives: using /usr/bin/display-im6.q16 to provide /usr/bin/display (display) in auto mode
update-alternatives: using /usr/bin/display-im6.q16 to provide /usr/bin/display-im6 (display-im6) in auto mode
update-alternatives: using /usr/bin/montage-im6.q16 to provide /usr/bin/montage (montage) in auto mode
update-alternatives: using /usr/bin/montage-im6.q16 to provide /usr/bin/montage-im6 (montage-im6) in auto mode
update-alternatives: using /usr/bin/mogrify-im6.q16 to provide /usr/bin/mogrify (mogrify) in auto mode
update-alternatives: using /usr/bin/mogrify-im6.q16 to provide /usr/bin/mogrify-im6 (mogrify-im6) in auto mode
Setting up imagemagick (8:6.9.11.60+dfsg-1.3+deb11u1) ...
Processing triggers for desktop-file-utils (0.26-1) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for libc-bin (2.31-13+deb11u5) ...
Processing triggers for man-db (2.9.4-2) ...
Processing triggers for mailcap (3.69) ...
（四）安装libv4l-dev
root@orangepizero2:~# sudo apt-get install libv4l-dev
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
libv4l2rds0
The following NEW packages will be installed:
libv4l-dev libv4l2rds0
0 upgraded, 2 newly installed, 0 to remove and 111 not upgraded.
Need to get 181 kB of archives.
After this operation, 547 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 libv4l2rds0 arm64 1.20.0-2 [77.2 kB]
Get:2 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 libv4l-dev arm64 1.20.0-2 [103 kB]
Fetched 181 kB in 0s (400 kB/s)
Selecting previously unselected package libv4l2rds0:arm64.
(Reading database ... 139383 files and directories currently installed.)
Preparing to unpack .../libv4l2rds0_1.20.0-2_arm64.deb ...
Unpacking libv4l2rds0:arm64 (1.20.0-2) ...
Selecting previously unselected package libv4l-dev:arm64.
Preparing to unpack .../libv4l-dev_1.20.0-2_arm64.deb ...
Unpacking libv4l-dev:arm64 (1.20.0-2) ...
Setting up libv4l2rds0:arm64 (1.20.0-2) ...
Setting up libv4l-dev:arm64 (1.20.0-2) ...
Processing triggers for libc-bin (2.31-13+deb11u5) ...
（五）安装cmake
root@orangepizero2:~# sudo apt-get install cmake
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
cmake-data libjsoncpp24 librhash0
Suggested packages:
cmake-doc ninja-build
The following NEW packages will be installed:
cmake cmake-data libjsoncpp24 librhash0
0 upgraded, 4 newly installed, 0 to remove and 111 not upgraded.
Need to get 5,598 kB of archives.
After this operation, 29.9 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 cmake-data all 3.18.4-2+deb11u1 [1,725 kB]
Get:2 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 libjsoncpp24 arm64 1.9.4-4 [72.5 kB]
Get:3 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 librhash0 arm64 1.4.1-2 [127 kB]
Get:4 http://mirrors.tuna.tsinghua.edu.cn/debian bullseye/main arm64 cmake arm64 3.18.4-2+deb11u1 [3,673 kB]
Fetched 5,598 kB in 4s (1,253 kB/s)
Selecting previously unselected package cmake-data.
(Reading database ... 139408 files and directories currently installed.)
Preparing to unpack .../cmake-data_3.18.4-2+deb11u1_all.deb ...
Unpacking cmake-data (3.18.4-2+deb11u1) ...
Selecting previously unselected package libjsoncpp24:arm64.
Preparing to unpack .../libjsoncpp24_1.9.4-4_arm64.deb ...
Unpacking libjsoncpp24:arm64 (1.9.4-4) ...
Selecting previously unselected package librhash0:arm64.
Preparing to unpack .../librhash0_1.4.1-2_arm64.deb ...
Unpacking librhash0:arm64 (1.4.1-2) ...
Selecting previously unselected package cmake.
Preparing to unpack .../cmake_3.18.4-2+deb11u1_arm64.deb ...
Unpacking cmake (3.18.4-2+deb11u1) ...
Setting up libjsoncpp24:arm64 (1.9.4-4) ...
Setting up librhash0:arm64 (1.4.1-2) ...
Setting up cmake-data (3.18.4-2+deb11u1) ...
Install cmake-data for emacs
Setting up cmake (3.18.4-2+deb11u1) ...
Processing triggers for man-db (2.9.4-2) ...
Processing triggers for libc-bin (2.31-13+deb11u5) ...
二、源码下载&编译&安装
考虑到芒果派MangoPi MQ Quad开发板SoC较强的处理能力，直接在板子上编译安装mjpg-streamer。
（一）源码下载
从全球最大交友网站下载好mjpg-streamer源码 ，如果很久没有响应，需要检测网络。
git clone https://github.com/jacksonliam/mjpg-streamer.git
root@orangepizero2:/# git clone https://github.com/jacksonliam/mjpg-streamer.git
Cloning into 'mjpg-streamer'...
remote: Enumerating objects: 2964, done.
remote: Total 2964 (delta 0), reused 0 (delta 0), pack-reused 2964
Receiving objects: 100% (2964/2964), 3.48 MiB | 1.89 MiB/s, done.
Resolving deltas: 100% (1885/1885), done.
(二)源码编译&安装
进入/mjpg-streamer/mjpg-streamer-experimental 文件夹，执行 make all。
root@orangepizero2:/mjpg-streamer/mjpg-streamer-experimental# make install
make -C _build install
make[1]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[2]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[ 13%] Built target mjpg_streamer
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[ 21%] Built target input_file
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[ 39%] Built target input_http
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[ 60%] Built target input_uvc
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[ 69%] Built target output_file
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[ 82%] Built target output_http
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[ 91%] Built target output_rtsp
make[3]: Entering directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
make[3]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
[100%] Built target output_udp
make[2]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
Install the project...
-- Install configuration: "Release"
-- Installing: /usr/local/bin/mjpg_streamer
-- Set runtime path of "/usr/local/bin/mjpg_streamer" to "/usr/local/lib/mjpg-streamer"
-- Installing: /usr/local/share/mjpg-streamer/www
-- Installing: /usr/local/share/mjpg-streamer/www/spinbtn_updn.gif
-- Installing: /usr/local/share/mjpg-streamer/www/static_simple.html
-- Installing: /usr/local/share/mjpg-streamer/www/jquery.rotate.js
-- Installing: /usr/local/share/mjpg-streamer/www/fix.css
-- Installing: /usr/local/share/mjpg-streamer/www/jquery.js
-- Installing: /usr/local/share/mjpg-streamer/www/java_simple.html
-- Installing: /usr/local/share/mjpg-streamer/www/jquery.ui.core.min.js
-- Installing: /usr/local/share/mjpg-streamer/www/sidebarbg.gif
-- Installing: /usr/local/share/mjpg-streamer/www/JQuerySpinBtn.js
-- Installing: /usr/local/share/mjpg-streamer/www/rotateicons.png
-- Installing: /usr/local/share/mjpg-streamer/www/java.html
-- Installing: /usr/local/share/mjpg-streamer/www/jquery.ui.custom.css
-- Installing: /usr/local/share/mjpg-streamer/www/bodybg.gif
-- Installing: /usr/local/share/mjpg-streamer/www/favicon.png
-- Installing: /usr/local/share/mjpg-streamer/www/java_control.html
-- Installing: /usr/local/share/mjpg-streamer/www/functions.js
-- Installing: /usr/local/share/mjpg-streamer/www/javascript_simple.html
-- Installing: /usr/local/share/mjpg-streamer/www/cambozola.jar
-- Installing: /usr/local/share/mjpg-streamer/www/JQuerySpinBtn.css
-- Installing: /usr/local/share/mjpg-streamer/www/index.html
-- Installing: /usr/local/share/mjpg-streamer/www/static.html
-- Installing: /usr/local/share/mjpg-streamer/www/stream_simple.html
-- Installing: /usr/local/share/mjpg-streamer/www/jquery.ui.widget.min.js
-- Installing: /usr/local/share/mjpg-streamer/www/jquery.ui.tabs.min.js
-- Installing: /usr/local/share/mjpg-streamer/www/control.htm
-- Installing: /usr/local/share/mjpg-streamer/www/videolan.html
-- Installing: /usr/local/share/mjpg-streamer/www/javascript_motiondetection.html
-- Installing: /usr/local/share/mjpg-streamer/www/style.css
-- Installing: /usr/local/share/mjpg-streamer/www/javascript.html
-- Installing: /usr/local/share/mjpg-streamer/www/LICENSE.txt
-- Installing: /usr/local/share/mjpg-streamer/www/favicon.ico
-- Installing: /usr/local/share/mjpg-streamer/www/example.jpg
-- Installing: /usr/local/share/mjpg-streamer/www/stream.html
-- Installing: /usr/local/lib/mjpg-streamer/input_file.so
-- Installing: /usr/local/lib/mjpg-streamer/input_http.so
-- Installing: /usr/local/lib/mjpg-streamer/input_uvc.so
-- Installing: /usr/local/lib/mjpg-streamer/output_file.so
-- Installing: /usr/local/lib/mjpg-streamer/output_http.so
-- Installing: /usr/local/lib/mjpg-streamer/output_rtsp.so
-- Installing: /usr/local/lib/mjpg-streamer/output_udp.so
make[1]: Leaving directory '/mjpg-streamer/mjpg-streamer-experimental/_build'
查看下，几个编译后的结果文件都在：
三、服务启动
（一）查找摄像头
USB摄像头插在芒果派MangoPi MQ Quad上即可，需要检测摄像头挂载在哪个设备下。
root@orangepizero2:/mjpg-streamer/mjpg-streamer-experimental# lsusb
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 008: ID 2bdf:0280 SN0002 HIK 720P Camera
Bus 002 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root@orangepizero2:/mjpg-streamer/mjpg-streamer-experimental# ls -l /dev/video*
crw-rw----+ 1 root video 81, 0 Apr 15 06:25 /dev/video0
crw-rw----+ 1 root video 81, 1 Jul 19 14:36 /dev/video1
crw-rw----+ 1 root video 81, 2 Jul 19 14:36 /dev/video2
(二)启动摄像头
直接输入 mjpg_streamer 即可启动服务，默认的是video0，MangoPi MQ Quad开发板的USB摄像头是video1。在启动服务命令中通过“-d /dev/video1” 选项来指定。
y是表示YUV格式。如果没有-y，默认启动是mjpeg格式
-d指定设备
-f 制订帧数，默认30帧
-r指定视频大小，如320×240
-q指定画质，默认80对于输出参数：
-p 指定端口，一般是8080
-w 指定网页目录，设置的是/www目录
-c设置通过密码访问
./mjpg_streamer -i "./input_uvc.so -d /dev/video1 -f 30 -q 90 -n" -o "./output_http.so -w ./www"
启动后的日志如下：
四、业务测试
（一）在线视频查看
打开浏览器，访问URL为：[MangoPi MQ Quad开发板 IP]:8080 ，得到的内容如下：
（二）取一张图
取一张图的URL为IP:8080?action=snapshot
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