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  • Mjpg_Streamer 的移植

    1. 移植mjpg-streamer

        a.1 移植libjpeg

    1         tar zxf libjpeg-turbo-1.2.1.tar.gz 
    2         cd libjpeg-turbo-1.2.1 
    3         ./configure --host=arm-linux --prefix=/work/projects1/mjpeg-stream/libjpeg-turbo-1.2.1/tmp 
    4         make 
    5         make install 
    6         cd tmp/lib 
    7         cp *so* /work/nfs_root/fs_mini_mdev_new/lib/ -d 


           
        注意:文件体统   
            视频使用的是fs_mini_mdev_new_auto_wifi_ap.tar.bz2,因为自己制作过文件系统,暂时使用的是自己的。
       
     

       a.2 移植mjpg-streamer

                tar zxf mjpg-streamer-r63.tar.gz
                cd mjpg-streamer-r63
               
                a.2.1修改所有的Makefile
                vim Makefile            //顶层
                     将:
                         CC = gcc
                     改为:
                         CC = arm-linux-gcc

                cd plugins/input_gspcav1
                vim Makefile
                    将:
                         CC = gcc
                     改为:
                         CC = arm-linux-gcc
               
                cd plugins/input_testpicture
                vim Makefile
                    将:
                         CC = gcc
                     改为:
                         CC = arm-linux-gcc
                        
                cd /plugins/input_uv
                vim Makefile
                    将:
                         CC = gcc
                     改为:
                         CC = arm-linux-gcc
                cd plugins/output_autofocus
                vim Makefile
                    将:
                         CC = gcc
                     改为:
                         CC = arm-linux-gcc
                cd plugins/output_file
                vim Makefile
                    将:
                         CC = gcc
                     改为:
                         CC = arm-linux-gcc
                cd plugins/output_http
                vim Makefile
                    将:
                         CC = gcc
                     改为:
                         CC = arm-linux-gcc
                 也就是将plugins 目录下面的所有的子目录的Makefile 全部进行修改
           
           

    a.2.2 plugins/input_uvc 里面  修改


                    cd plugins/input_uvc
                    vim Makefile
                    将:
                        CFLAGS += -O2 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC
                    修改为:
                        CFLAGS += -O2 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -I /work/projects1/mjpeg-stream/libjpeg-turbo-1.2.1/tmp/include
                                            添加的这个是编译libjpeg 库生成的头文件。
                    将:
                        input_uvc.so: $(OTHER_HEADERS) input_uvc.c v4l2uvc.lo jpeg_utils.lo dynctrl.lo
                                        $(CC) $(CFLAGS) -ljpeg -o $@ input_uvc.c v4l2uvc.lo
                                        jpeg_utils.lo dynctrl.lo
                    修改为:
                    input_uvc.so: $(OTHER_HEADERS) input_uvc.c v4l2uvc.lo jpeg_utils.lo dynctrl.lo
                        $(CC) $(CFLAGS) -ljpeg -L /work/projects1/mjpeg-stream/libjpeg-turbo-1.2.1/tmp/lib
                        -o $@ input_uvc.c v4l2uvc.lo jpeg_utils.lo dynctrl.lo
                            //添加了-L /work/projects1/mjpeg-stream/libjpeg-turbo-1.2.1/tmp/lib  指明库文件的位置

                    回到顶层目录:make                        生成mjpg_streamer  这个应用程序和很多的.so 文件
                   
                    cp mjpg_streamer /work/nfs_root/fs_mini_mdev_new/bin/
                    cp *so* /work/nfs_root/fs_mini_mdev_new/lib/ -d
     

      a.3  使用


                    内核:
                        1.添加UVC
                        cp config_ok  .config
                        make menuconfig
                            <*> Multimedia support  ---> 
                                 <*>   Video For Linux
                                 [*]   Video capture adapters (NEW)  ---> 
                                 [*]   V4L USB devices (NEW)  --->
                                         <*>   USB Video Class (UVC) 
                        执行: make uImage
                    // 因为使用的是百问网的制作的USB 摄像头,所以,必须按照第二课1.1.9 视频修改UVC 驱动,修改完在make uImage
                            将修改的好的uvc_video.c 和uvc_driver.c 拷贝到/linux-3.4.2/drivers/media/video/uvc 替换掉
                    // 因为百问网的摄像头的特殊性才需要修改,否则是不用修改的
                   
                    // 配置内核,使其支持 USB 总线驱动,如下
                        Device Drivers --->
                            [*] USB support --->
                            {*} Support for Host-side USB
                            [*] USB device filesystem (DEPRECATED)
                            [*] USB device class-devices (DEPRECATED)
                            <*> OHCI HCD support
                            <*> USB Mass Storage support
                           
                        [*] HID Devices --->
                            {*} Generic HID support
                            [*] /dev/hidraw raw HID device support
                           
                        SCSI device support --->
                        <*> SCSI device support
                        [*] legacy /proc/scsi/ support
                        <*> SCSI disk support
                        <*> SCSI tape support
                       
               

    2.支持AR2917WIFI的:


                        make menuconfig
                      Symbol: ATH9K_HTC [=n]                                                                      
                      Type  : tristate                                                                           
                      Prompt: Atheros HTC based wireless cards support                                           
                        Defined at drivers/net/wireless/ath/ath9k/Kconfig:100                                    
                        Depends on: NETDEVICES [=y] && WLAN [=y] && ATH_COMMON [=n] && USB [=y] && MAC80211 [=m] 
                        Location:                                                                                
                          -> Device Drivers                                                                      
                            -> Network device support (NETDEVICES [=y])                                          
                              -> Wireless LAN (WLAN [=y])                                                        
                                -> Atheros Wireless Cards (ATH_COMMON [=n])
                        根据上面的依赖,还需要对ATH_COMMON 和 MAC80211 进行设置
                    -> Networking support (NET [=y])                                                         
                    -> Wireless (WIRELESS [=y]) 
                                  <*>cfg80211 - wireless configuration API
                                  <*>Generic IEEE 802.11 Networking Stack (mac80211)
                             
                   -> Device Drivers                                                                        
                 -> Network device support (NETDEVICES [=y])                                            
                   -> Wireless LAN (WLAN [=y])                                                          
                     -> Atheros Wireless Cards (ATH_COMMON [=y]) 
                                      <*>   Atheros HTC based wireless cards support
                3.添加WIFI 固件
                    mkdir  /work/nfs_root/fs_mini_mdev_new/lib/firmware
                    cp htc_9271.fw /work/nfs_root/fs_mini_mdev_new/lib/firmware
           
            文件系统:
                        使用的是制作好的,包含众多WIFI应用程序的fs_mini_mdev_new_auto_wifi_ap.tar.bz2
            运行:   
                    二合一摄像头
                    mjpg_streamer -i "input_uvc.so -f 10 -r 320*240" -o "output_http.so -w www"
                   
                    一般摄像头
                    mjpg_streamer -i "input_uvc.so -f 10 -r 320*240 -y" -o "output_http.so -w www"
                   
                    二合一摄像头
                    mjpg_streamer -i "input_uvc.so -f 10 -r 640*480" -o "output_http.so -w www"
                   
                    一般摄像头
                    mjpg_streamer -i "input_uvc.so -f 10 -r 320*240 -y" -o "output_http.so -w www"
           
           
            在火狐浏览器上面执行:   
                http://202.193.53.83:8080/?action=stream
                            // 谷歌、360急速浏览器都是失败的,
                                        
                            
            mjpg_streamer -i "input_uvc.so -f 10 -r 320*240 -y" -o "output_http.so -w www"
                -i : 指定输入的插件。可见指定了input_uvc.so 这个插件,作为输入的驱动。因为我们使用的是UVC摄像头。                   
                -o :指定输出的插件。    output_http.so这个插件。
                ---------------------------------------------------------------
                 Help for input plugin..: UVC webcam grabber
                 ---------------------------------------------------------------
                 The following parameters can be passed to this plugin:
                
                 [-d | --device ].......: video device to open (your camera)
                 [-r | --resolution ]...: the resolution of the video device,
                                          can be one of the following strings:
                                          QSIF QCIF CGA QVGA CIF VGA
                                          SVGA XGA SXGA
                                          or a custom value like the following
                                          example: 640x480
                 [-f | --fps ]..........: frames per second
                 [-y | --yuv ]..........: enable YUYV format and disable MJPEG mode
                 [-q | --quality ]......: JPEG compression quality in percent
                                          (activates YUYV format, disables MJPEG)
                 [-m | --minimum_size ].: drop frames smaller then this limit, useful
                                          if the webcam produces small-sized garbage frames
                                          may happen under low light conditions
                 [-n | --no_dynctrl ]...: do not initalize dynctrls of Linux-UVC driver
                 [-l | --led ]..........: switch the LED "on", "off", let it "blink" or leave
                                          it up to the driver using the value "auto"

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  • 原文地址:https://www.cnblogs.com/qxj511/p/4918909.html
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