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senia

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Posts posted by senia

  1. Hello everybody!

    How can I create access point with nmtui ? 

    I spent some time playing with nmtui, and finally my nanopi got address something like 10.42.0.1. But it doesn't look normal, I can't create default gateway like 192.168.0.1

    So, I couldn't see my hotspot from another device( android phone or other pc )

    Maybe somebody resolved this problem?

  2. Hello everybody!

    I use NanoPi Neo Air with Allwinner H3

    I've installed cedrus264 encoder and tried to use it for webcam streaming with ffmpeg.

    I used htop to control cpu load and found, that ffmpeg uses too much memory! Is it normal for hardware encoding?

    oron@nanopiair:~/FFmpeg-Cedrus-master$ sudo ffmpeg -f v4l2 -video_size 640x480 -i /dev/video0 -pix_fmt nv12 -r 25 -c:v cedrus264 -f mpegts udp://192.168.10.236:1234
    ffmpeg version 2.3.git Copyright (c) 2000-2014 the FFmpeg developers
      built on Feb  9 2017 11:10:38 with gcc 5.4.0 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 20160609
      configuration: --prefix=/usr --enable-nonfree --enable-gpl --enable-version3 --enable-vdpau --enable-libx264 --enable-libmp3lame --enable-libpulse --enable-libv4l2
      libavutil      54.  6.100 / 54.  6.100
      libavcodec     56.  0.101 / 56.  0.101
      libavformat    56.  2.100 / 56.  2.100
      libavdevice    56.  0.100 / 56.  0.100
      libavfilter     5.  0.102 /  5.  0.102
      libswscale      3.  0.100 /  3.  0.100
      libswresample   1.  1.100 /  1.  1.100
      libpostproc    53.  0.100 / 53.  0.100
    Input #0, video4linux2,v4l2, from '/dev/video0':
      Duration: N/A, start: 7107.486161, bitrate: 147456 kb/s
        Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
    [VDPAU SUNXI] VE version 0x1680 opened.
    Output #0, mpegts, to 'udp://192.168.10.236:1234':
      Metadata:
        encoder         : Lavf56.2.100
        Stream #0:0: Video: h264 (cedrus264), nv12, 640x480, q=2-31, 200 kb/s, 25 fps, 90k tbn, 25 tbc
        Metadata:
          encoder         : Lavc56.0.101 cedrus264
    Stream mapping:
      Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (cedrus264))
    Press [q] to stop, [?] for help
    frame= 5698 fps= 25 q=30.0 Lsize=   46445kB time=00:03:47.92 bitrate=1669.3kbits/s dup=5 drop=123    
     

    Htop results:

     

    Screenshot_from_2017_02_10_15_54_17.png

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