I've installed Armbian on the SD card for X96mini ( 1GB/8GB ).

I only would like to get USB-cam video ( MJPEG/30FPS 1920x080 or 1280x720 ) to hdmi display.

 

But I don't know where to begin with the solving of some issues:

1) S905W should support 4x2GHz cores, but cpufreq-info "says", that 1,2GHz is max. possible clock frequency

2) if I start mplayer with -vo null the USB seems to be to slow. I've got max 10-20 fps. On the PC I get about 30 fps with 1920x1080. ( AUSDOM 620pro )

3) The less number of picture per seconds looks also not very good on tv screen ( very slow ). I tried with mplayer -vo fbdev

4) I've tried also under X11 with qv4l2 example. Compiled directly on this player -> also very slow.

 

Some, advices for arm-beginner? Thanx for your help.

 

Following kernel modules are installed ( lsmod )

Module                  Size  Used by
btrfs                1077248  0
xor                    20480  1 btrfs
raid6_pq              102400  1 btrfs
mali                  274432  0

Is "mali" an module for HW acceleration?

 

MPlayer 1.2.1 (Debian), built with gcc-5.4.0 (C) 2000-2016 MPlayer Team
Available video output drivers:
        vdpau   VDPAU with X11
        xv      X11/Xv
        gl_nosw OpenGL no software rendering
        x11     X11 ( XImage/Shm )
        xover   General X11 driver for overlay capable video output drivers
        sdl     SDL YUV/RGB/BGR renderer (SDL v1.1.7+ only!)
        gl      OpenGL
        gl_tiled        X11 (OpenGL) - multiple textures version
        dga     DGA ( Direct Graphic Access V2.0 )
        fbdev   Framebuffer Device
        fbdev2  Framebuffer Device
        matrixview      MatrixView (OpenGL)
        aa      AAlib
        caca    libcaca
        v4l2    V4L2 MPEG Video Decoder Output
        directfb        Direct Framebuffer Device
        dfbmga  DirectFB / Matrox G200/G400/G450/G550
        null    Null video output
        xvmc    XVideo Motion Compensation
        mpegpes MPEG-PES to DVB card
        yuv4mpeg        yuv4mpeg output for mjpegtools
        png     PNG file
        jpeg    JPEG file
        gif89a  animated GIF output
        tga     Targa output
        pnm     PPM/PGM/PGMYUV file
        md5sum  md5sum of each frame

On 10/19/2018 at 3:58 PM, alubian said:

S905W should support 4x2GHz cores

To answer at least a part of your questions. Amlogic is cheating you - reality is this:
https://forum.armbian.com/topic/7042-amlogic-still-cheating-with-clockspeeds/?tab=comments#comment-53130

MALI is 3D engine. It doesn't help here. You need something else.

 

Is there any chance to get smooth 30 frames per second ( min. 720p ) with the USB-camera on S905W ( 1.2 GHz )?

How to check if the USB performance is enough fast?  I mean: reading of the USB video stream without playing it.