Raspberry Pi 相机设置教程

["raspistill", "-t", "0.1/1/5", "-w", "300", "-h", "500" ]

说明：

红色标注参数，只能是正整数，否则出现不可控，导致进程raspistill一直占用相机拍照。导致其它程序无法使用相机。

-t, --timeout : 拍照和关闭时的延时指定，未指定时默认是5s

 

raspistill

作用

在指定的时间运行摄像头，而且如果需要可以捕获JPG图片

使用格式

raspistill [options]

图像参数与命令

-?, --help : 帮助文档-w, --width : 设置图像宽度 
    <尺寸>
     -h, --height : 设置图像高度 
     <尺寸>
      -q, --quality : 设置jpeg品质 <0到100>-r, --raw : 增加raw原始拜尔数据到JPEG元数据-o, --output : 输出文件名 
      <文件名>
       ，如果要写到stdout，使用`-o -`，如果不特别指定，图像文件不会被保存-l, --latest : 链接最近的完整图像到指定文件 
       <文件名>
        -v, --verbose : 在运行摄像头时输出详细信息-t, --timeout : 拍照和关闭时的延时指定，未指定时默认是5s-th, --thumb : 设置预览图（小图）参数（包括X、Y、品质）或者不设置-d, --demo : 运行一个demo模式（cycle through range of camera options, no capture），括号里的我可以理解成循环测试模式吗？-e, --encoding : 编码来输出指定格式文件 （jpg, bmp, gif, png）-x, --exif :将可交换图像文件应用到捕获中（格式：`key=value`）或者不设置-tl, --timelapse : 间隔拍摄，每
        
         拍摄一张图片-fp, --fullpreview : 用静态捕捉分辨率运行预览（可能会减小预览帧率）-k, --keypress : 按键触发，按`ENTER`键拍照，按`X`然后`ENTER`键退出-s, -signal : 信号触发，等待另一个进程信号来拍摄一张照片-g, -gl : 绘制预览到文本，而不是使用视频渲染组件（啥意思？）-gc, --glcapture : 捕获GL帧buffer而不是摄像机图像-set, --settings : 检索摄像机设置值然后写出到stdout-cs, --camselect : 选择摄像头设备 
         <数字>
          ，默认0-bm, --burst : 运行burst capture mode
         
        
       
      
     
    

预览参数与命令

-p, --preview : 预览窗口大小设置 
    
     -f, --fullscreen : 全屏幕预览模式-op, --opacity : 预览窗口透明度 （0-255）-n, --nopreview : 不显示预览窗口
    

图像参数与命令2

-sh, --sharpness : 设置图像锐度 （-100 到 100）-co, --contrast : 设置图像对比度 （-100 到 100）-br, --brightness : 设置图像亮度 （0 到 100）-sa, --saturation : 设置图像饱和度 （-100 到 100）-ISO, --ISO : 设置摄像头感光度-vs, --vstab : Turn on video stabilisation 开启摄像头防抖模式（是这个意思吗？）-ev, --ev : 设置EV补偿-ex, --exposure : 设置曝光模式（参见提示）-awb, --awb : 设置AWB模式（参见提示）-ifx, --imxfx : 设置图像效应（参见提示）-cfx, --colfx : 设置色彩效应（参见提示）-mm, --metering : 设置测光模式（参见提示）-rot, --rotation : 设置图像旋转 （0到359）-hf, --hflip : 设置水平翻转 horizontal flip-vf, --vflip : 设置垂直翻转 vertical flip-roi, --roi : 设置interest区域 （啥叫interset?）--ss, --shutter : 设置快门速度，微秒--awbg, --awbgains : 设置AWB阈值， AWB模式必须关闭--drc, --drc : 设置DRC水平

提示

曝光模式选项：

auto - 自动曝光模式night - 夜间拍摄模式nightpreview - 夜间预览拍摄模式backlight - 逆光拍摄模式spotlight - 聚光灯拍摄模式sports - 运动拍摄模式snow - 雪景拍摄模式beach - 海滩拍摄模式verylong - 长时间曝光拍摄模式fixedfps - 帧约束拍摄模式antishake - 防抖模式fireworks - 烟火拍摄模式

自动白平衡选项：

off - 关闭白平衡测算auto - 自动模式（默认）sun - 日光模式cloud - 多云模式shade - 阴影模式tungsten - 钨灯模式fluorescent - 荧光灯模式incandescent - 白炽灯模式flash - 闪光模式horizon - 地平线模式

图像特效选项：

none - 无特效（默认）negative - 反色图像solarise - 曝光过度图像posterize - 色调图像whiteboard - 白板特效blackboard - 黑板特效sketch - 素描风格特效denoise - 降噪图像emboss - 浮雕图像oilpaint - 油画风格特效hatch - 草图特效gpen - 马克笔特效pastel - 柔化风格特效watercolour - 水彩风格特效film - 胶片颗粒风格特效blur - 模糊图像saturation - 色彩饱和图像colourswap - 暂未可用washedout - 暂未可用posterise - 暂未可用colourpoint - 暂未可用colourbalance - 暂未可用cartoon - 暂未可用

测光模式选项：

average - 全画面平衡测光spot - 点测光backlit - 模拟背光图像matrix - 阵列测光

预览参数与命令2

-gs, -glscene : GL屏幕尺寸等参数-gw, -glwin : GL窗口参数

raspivid

采集视频信息，需要时会再补充翻译

raspiyuv

采集YUV格式的原始图像，需要时会补充翻译

 

 

Mac下查看树莓派视频

安装mplayer

通过基金会推荐的包管理软件（Homebrew）安装

localhost:~ wangliang$ brew install mplayerUpdating Homebrew...==> Downloading https://homebrew.bintray.com/bottles/mplayer-1.3.0.sierra.bottle######################################################################## 100.0%==> Pouring mplayer-1.3.0.sierra.bottle.tar.gz==> Using the sandbox?  /usr/local/Cellar/mplayer/1.3.0: 10 files, 27.4MBlocalhost:~ wangliang$

 

安装Homebrew

localhost:~ wangliang$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"==> This script will install:/usr/local/bin/brew/usr/local/share/doc/homebrew/usr/local/share/man/man1/brew.1/usr/local/share/zsh/site-functions/_brew/usr/local/etc/bash_completion.d/brew/usr/local/Homebrew==> The following existing directories will be made group writable:/usr/local/bin/usr/local/etc/usr/local/share/usr/local/share/doc/usr/local/share/man/usr/local/share/man/man1/usr/local/share/man/man3/usr/local/share/man/man5/usr/local/share/man/man7==> The following existing directories will have their owner set to wangliang:/usr/local/bin/usr/local/etc/usr/local/share/usr/local/share/doc/usr/local/share/man/usr/local/share/man/man1/usr/local/share/man/man3/usr/local/share/man/man5/usr/local/share/man/man7==> The following existing directories will have their group set to admin:/usr/local/bin/usr/local/etc/usr/local/share/usr/local/share/man/usr/local/share/man/man1/usr/local/share/man/man3/usr/local/share/man/man5/usr/local/share/man/man7==> The following new directories will be created:/usr/local/Cellar/usr/local/Homebrew/usr/local/Frameworks/usr/local/opt/usr/local/sbin/usr/local/share/zsh/usr/local/share/zsh/site-functions/usr/local/varPress RETURN to continue or any other key to abort==> /usr/bin/sudo /bin/chmod u+rwx /usr/local/bin /usr/local/etc /usr/local/share /usr/local/share/doc /usr/local/share/man /usr/local/share/man/man1 /usr/local/share/man/man3 /usr/local/share/man/man5 /usr/local/share/man/man7Password:==> /usr/bin/sudo /bin/chmod g+rwx /usr/local/bin /usr/local/etc /usr/local/share /usr/local/share/doc /usr/local/share/man /usr/local/share/man/man1 /usr/local/share/man/man3 /usr/local/share/man/man5 /usr/local/share/man/man7==> /usr/bin/sudo /usr/sbin/chown wangliang /usr/local/bin /usr/local/etc /usr/local/share /usr/local/share/doc /usr/local/share/man /usr/local/share/man/man1 /usr/local/share/man/man3 /usr/local/share/man/man5 /usr/local/share/man/man7==> /usr/bin/sudo /usr/bin/chgrp admin /usr/local/bin /usr/local/etc /usr/local/share /usr/local/share/man /usr/local/share/man/man1 /usr/local/share/man/man3 /usr/local/share/man/man5 /usr/local/share/man/man7==> /usr/bin/sudo /bin/mkdir -p /usr/local/Cellar /usr/local/Homebrew /usr/local/Frameworks /usr/local/opt /usr/local/sbin /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var==> /usr/bin/sudo /bin/chmod g+rwx /usr/local/Cellar /usr/local/Homebrew /usr/local/Frameworks /usr/local/opt /usr/local/sbin /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var==> /usr/bin/sudo /bin/chmod 755 /usr/local/share/zsh /usr/local/share/zsh/site-functions==> /usr/bin/sudo /usr/sbin/chown wangliang /usr/local/Cellar /usr/local/Homebrew /usr/local/Frameworks /usr/local/opt /usr/local/sbin /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var==> /usr/bin/sudo /usr/bin/chgrp admin /usr/local/Cellar /usr/local/Homebrew /usr/local/Frameworks /usr/local/opt /usr/local/sbin /usr/local/share/zsh /usr/local/share/zsh/site-functions /usr/local/var==> /usr/bin/sudo /bin/mkdir -p /Users/wangliang/Library/Caches/Homebrew==> /usr/bin/sudo /bin/chmod g+rwx /Users/wangliang/Library/Caches/Homebrew==> /usr/bin/sudo /usr/sbin/chown wangliang /Users/wangliang/Library/Caches/Homebrew==> /usr/bin/sudo /bin/mkdir -p /Library/Caches/Homebrew==> /usr/bin/sudo /bin/chmod g+rwx /Library/Caches/Homebrew==> /usr/bin/sudo /usr/sbin/chown wangliang /Library/Caches/Homebrew==> Downloading and installing Homebrew...remote: Counting objects: 6451, done.remote: Compressing objects: 100% (3906/3906), done.remote: Total 6451 (delta 3730), reused 4275 (delta 2341), pack-reused 0Receiving objects: 100% (6451/6451), 3.58 MiB | 55.00 KiB/s, done.Resolving deltas: 100% (3730/3730), done.From https://github.com/Homebrew/brew * [new branch]      master     -> origin/master * [new tag]         0.1        -> 0.1 * [new tag]         0.2        -> 0.2 * [new tag]         0.3        -> 0.3 * [new tag]         0.4        -> 0.4 * [new tag]         0.5        -> 0.5 * [new tag]         0.6        -> 0.6 * [new tag]         0.7        -> 0.7 * [new tag]         0.7.1      -> 0.7.1 * [new tag]         0.8        -> 0.8 * [new tag]         0.8.1      -> 0.8.1 * [new tag]         0.9        -> 0.9 * [new tag]         0.9.1      -> 0.9.1 * [new tag]         0.9.2      -> 0.9.2 * [new tag]         0.9.3      -> 0.9.3 * [new tag]         0.9.4      -> 0.9.4 * [new tag]         0.9.5      -> 0.9.5 * [new tag]         0.9.8      -> 0.9.8 * [new tag]         0.9.9      -> 0.9.9 * [new tag]         1.0.0      -> 1.0.0 * [new tag]         1.0.1      -> 1.0.1 * [new tag]         1.0.2      -> 1.0.2 * [new tag]         1.0.3      -> 1.0.3 * [new tag]         1.0.4      -> 1.0.4 * [new tag]         1.0.5      -> 1.0.5 * [new tag]         1.0.6      -> 1.0.6 * [new tag]         1.0.7      -> 1.0.7 * [new tag]         1.0.8      -> 1.0.8 * [new tag]         1.0.9      -> 1.0.9 * [new tag]         1.1.0      -> 1.1.0 * [new tag]         1.1.1      -> 1.1.1 * [new tag]         1.1.10     -> 1.1.10 * [new tag]         1.1.11     -> 1.1.11 * [new tag]         1.1.12     -> 1.1.12 * [new tag]         1.1.13     -> 1.1.13 * [new tag]         1.1.2      -> 1.1.2 * [new tag]         1.1.3      -> 1.1.3 * [new tag]         1.1.4      -> 1.1.4 * [new tag]         1.1.5      -> 1.1.5 * [new tag]         1.1.6      -> 1.1.6 * [new tag]         1.1.7      -> 1.1.7 * [new tag]         1.1.8      -> 1.1.8 * [new tag]         1.1.9      -> 1.1.9 * [new tag]         1.2.0      -> 1.2.0 * [new tag]         1.2.1      -> 1.2.1 * [new tag]         1.2.2      -> 1.2.2 * [new tag]         1.2.3      -> 1.2.3HEAD is now at cd7e3cd Merge pull request #2778 from jasonkarns/tap-full-name==> Tapping homebrew/coreCloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core'...remote: Counting objects: 4444, done.remote: Compressing objects: 100% (4245/4245), done.remote: Total 4444 (delta 35), reused 463 (delta 13), pack-reused 0Receiving objects: 100% (4444/4444), 3.53 MiB | 147.00 KiB/s, done.Resolving deltas: 100% (35/35), done.Checking connectivity... done.Tapped 4243 formulae (4,486 files, 11MB)==> Cleaning up /Library/Caches/Homebrew...==> Migrating /Library/Caches/Homebrew to /Users/wangliang/Library/Caches/Homebrew...==> Deleting /Library/Caches/Homebrew...Already up-to-date.==> Installation successful!==> Homebrew has enabled anonymous aggregate user behaviour analytics.Read the analytics documentation (and how to opt-out) here:  http://docs.brew.sh/Analytics.html==> Next steps:- Run `brew help` to get started- Further documentation:    http://docs.brew.sh