视频录制不工作ubuntu14.04

问题描述：

我想记录我的Ubuntu 14.04机器..这就是我做的.. 回声“安装窗口管理器& VNC ...” apt-get install -qq -y xvfb >> install.log的易于得到安装-qq -y x11vnc >> install.log的易于得到安装-qq -y的Fluxbox >> install.log的使用chmod + X x11vnc & & MV x11vnc在/ usr/bin中/ ＃安装avconv + libx264编解码器将flv转换为可在网页浏览器上播放的mp4 echo“安装VNC屏幕录制工具” easy_install vnc2flv 2> & 1 >> install.log apt-get install -qq -y c >> install.log apt-get install -qq -y libavcodec-extra-53 >> install.log [[$？ -ne 0] & &的apt-get安装-qq -y的libavcodec-EXTRA-54 >> install.log的＃ubuntu的14视频录制不工作ubuntu14.04

NUM_EXECUTORS="1" 
SCREEN_RES="1440x1080x16" 

xvfb_vncstart() { 
    # dropping the vnc password into a text file for the vnc recording tool 
    local PASSWORD_FILE=/tmp/vnc-password.txt 
    if [ -f $PASSWORD_FILE ]; then 
    rm $PASSWORD_FILE 
    fi 
    echo "$VNC_PASSWORD" > $PASSWORD_FILE 
    export VNC_PASSWORD 

    echo "Starting $NUM_EXECUTORS X servers..." 
    export NUM_EXECUTORS 
    for i in $(seq 1 $NUM_EXECUTORS); do 
    echo "Launching X server $i..." 
    # Start the X frame buffer implementation 
    sudo -i -u ubuntu Xvfb :$i +extension GLX -screen 0 $SCREEN_RES -ac &> xvfb-$i.log & 

    # Sleep a little to give programs a chance to start 
    sleep 2 

    # Start the fluxbox window manager. 
    # We need a light window manager that allows maximizing windows 
    sudo -i -u ubuntu DISPLAY=:$i fluxbox &> fluxbox-$i.log & 

    # Sleep a little to give programs a chance to start 
    sleep 2 

    # Share the xsession over VNC 
    sudo -i -u ubuntu x11vnc -forever -display :$i -N -passwdfile /tmp/vnc-password.txt &> vnc-$i.log & 

    # Sleep a little to give programs a chance to start 
    sleep 2 
    done 
} 


But video recording doesn't work even when I try to run startx. 

X.Org X Server 1.15.1 
Release Date: 2014-04-13 
X Protocol Version 11, Revision 0 
Build Operating System: Linux 3.2.0-76-generic x86_64 Ubuntu 
Current Operating System: Linux ip-10-0-0-79 3.13.0-123-generiC#172-Ubuntu SMP Mon Jun 26 18:04:35 UTC 2017 x86_64 
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-123-generic root=UUID=d4f2aafc-946a-4514-930d-4c45e676f198 ro nomodeset console=tty1 console=ttyS0 nomdmonddf nomdmonisw 
Build Date: 12 February 2015 02:49:29PM 
xorg-server 2:1.15.1-0ubuntu2.7 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.30.2 
     Before reporting problems, check http://wiki.x.org 
     to make sure that you have the latest version. 
Markers: (--) probed, (**) from config file, (==) default setting, 
     (++) from command line, (!!) notice, (II) informational, 
     (WW) warning, (EE) error, (NI) not implemented, (??) unknown. 
(==) Log file: "/var/log/Xorg.2.log", Time: Fri Jul 14 06:47:49 2017 
(==) Using system config directory "/usr/share/X11/xorg.conf.d" 
Initializing built-in extension Generic Event Extension 
Initializing built-in extension SHAPE 
Initializing built-in extension MIT-SHM 
Initializing built-in extension XInputExtension 
Initializing built-in extension XTEST 
Initializing built-in extension BIG-REQUESTS 
Initializing built-in extension SYNC 
Initializing built-in extension XKEYBOARD 
Initializing built-in extension XC-MISC 
Initializing built-in extension SECURITY 
Initializing built-in extension XINERAMA 
Initializing built-in extension XFIXES 
Initializing built-in extension RENDER 
Initializing built-in extension RANDR 
Initializing built-in extension COMPOSITE 
Initializing built-in extension DAMAGE 
Initializing built-in extension MIT-SCREEN-SAVER 
Initializing built-in extension DOUBLE-BUFFER 
Initializing built-in extension RECORD 
Initializing built-in extension DPMS 
Initializing built-in extension Present 
Initializing built-in extension DRI3 
Initializing built-in extension X-Resource 
Initializing built-in extension XVideo 
Initializing built-in extension XVideo-MotionCompensation 
Initializing built-in extension SELinux 
Initializing built-in extension XFree86-VidModeExtension 
Initializing built-in extension XFree86-DGA 
Initializing built-in extension XFree86-DRI 
Initializing built-in extension DRI2 
Loading extension GLX 
error setting MTRR (base = 0xf0000000, size = 0x00100000, type = 1) Invalid argument (22) 


I have googled up and I was not able to find a concrete answer to why video was not working.. Any help or hints would help me a world of good.. Thanks in Advance for your reply!!!!!!

在[超级用户]（https://superuser.com/）上提出同样的问题 –

答

问题已解决现在..记录在java程序做..
PB =新的ProcessBuilder（screenRecorderProcessLocation， “-an”， “-S”，System.getenv（ “SCREEN_RES”）， “-f”， “x11grab”， “-i”， “本地主机” + display， “-vcodec”，“libx264”， “-r”，“24”， screenVideoFile.getAbsolutePath（））;

在导致avconv停止录制的环境变量中未找到SCREEN_RES值..在为我开始分辨率视频录制硬编码之后。检查的最佳方法是，如果手动将录制片段检查它的工作与否..然后执行.. 20天后我很幸运，不知道出了什么问题！欢呼大家！快乐学习！

视频录制不工作ubuntu14.04

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