[Elphel-support] strreaming problem...

Oleg support-list at support.elphel.com
Fri May 18 12:33:45 PDT 2012


>
> 2. Command "top" right after the boot + before/after you launch
> mplayer could be helpful.

I meant before the mplayer crashes.

On 18 May 2012 12:52, Oleg <support-list at support.elphel.com> wrote:

> Carlos,
>
> "Top"s look ok. I also tried a camera with the 8.1.2 firmware and my PC -
> streaming works at 1920x1088.
>
> Sorry, I forgot to ask you to check a few more things:
>
> 1. You should have a usb-serial cable - could you connect it and send us
> the camera boot log? And also the info the camera writes when the streamer
> is working.
> 2. Command "top" right after the boot + before/after you launch
> mplayer could be helpful.
>
> Best regards,
> Oleg Dzhimiev
> Electronics Engineer
> phone: +1 801 783 5555 x124
> Elphel, Inc.
>
>
> On 18 May 2012 06:53, Carlos Padial <palidoestudio2 at gmail.com> wrote:
>
>> > PC's OS - ?
>>
>> ok, lets me explain...
>>
>> i have two computers. A netbook (samsung n150, atom) with linux mint
>> 12 32 bits, ubuntu 10.10 32 bits, and with this computer i also use
>> the live usb.
>>
>> The second one is an intel i7 with linux mint 12 64bits, ubuntu 12.04
>> 32bits, (and till yesterday ubuntu 11.10)
>> When i try the live usb with this computer it works badly...
>> (resolution is 640x400 and window management gests crazy everytime...
>> making it unusable...
>>
>> When i have tried to install the usb, it doenst seems to recognice the
>> password i entered during the instalation so i'm only working with the
>> live version.
>>
>> I have tried mplayer with all of this OS and the results are similar.
>>
>> With the liveusb in the atom netbook i believe the problem is that the
>> netbook seems not to be able to open high resolution streams, with
>> 1920x1088 (128K) dont show any image, but i tried 640x480 (24k) and
>> the image is showed and even mantained for a long time (30-50 seconds)
>> But after that mplayer exits
>>
>> The best results i had was in the i7 with ubuntu 12, mplayer (MPlayer
>> svn r34540 (Ubuntu) and 640x480 (24k) ,  the live preview was working
>> without stop (i stopped it)
>>
>> when i setup 1280x720 (73k) and mplayer dont show the image...
>> i come back to 640x480 (27k) and the live preview works fine... this
>> is the only setup showing the live preview non stop...
>>
>> with 800x600 (40k) the preview show the image for 2 seconds and then
>> stops..
>> above this resolution the image is not showed (only one time each 10...
>>
>> > Camera firmware - ?
>>
>> Firmware Version: Elphel (R) Model 353 Camera release 8.1.2
>>
>> > FPS = 24?
>>
>> now i'm limitting fps to 25 (using instructions from wiki FPScontrol)
>>
>> > Image dimensions and size - 1920x1088, 100-150KB?
>>
>> > Mplayer version (let's stick to mplayer)?
>>
>> MPlayer svn r34540 (Ubuntu)  (in ubuntu 12, where i have the best
>> results for the moment)
>>
>> > During that 5-10 sec of working the window with image opens, right? or
>> it
>>
>> > just crashes not showing anything?
>>
>> when i say mplayer is working i mean it opens a window and the image
>> is showed. Then the window close and mplayer says:
>>
>>  Exiting... (End of file)
>>
>> > 2. Some things that you could try:
>> > Does mplayer act the same if you boot from our LiveUSB?
>>
>> Yes, the response is similar but i need to run liveUSB correctly in
>> the i7 to test...
>>
>> > Check the CPU usage on the camera - "top" or "ps" from the telnet
>> session -
>> > could also you send us this info?
>>
>>
>> top-------------------------------------------------------------------------------------------
>>
>> Mem: 27384K used, 12992K free, 0K shrd, 0K buff, 16248K cached
>> CPU:   0% usr   0% sys   0% nic  98% idle   0% io   0% irq   0% sirq
>> Load average: 0.27 0.26 0.26 5/34 2001
>>  PID  PPID USER     STAT   VSZ %MEM %CPU COMMAND
>>  751     1 root     S     4136  10%   1% /usr/local/sbin/autoexposure
>>  2001  1996 root     R     1496   4%   0% top
>>  830   829 root     S    44928 111%   0% /usr/local/bin/str
>>  827     1 root     S    44928 111%   0% /usr/local/bin/str
>>  829   827 root     S    44928 111%   0% /usr/local/bin/str
>>  765   763 root     S    30936  76%   0% /usr/local/sbin/php
>>  764   763 root     S    30936  76%   0% /usr/local/sbin/php
>>  763   759 root     S    30872  76%   0% /usr/local/sbin/php
>>  759     1 root     S     5336  13%   0% /usr/local/sbin/lighttpd -f
>> /etc/light
>>  727     1 root     S     1480   4%   0% /usr/sbin/dropbear
>>  716     1 root     S     1432   4%   0% /bin/vftpd -r
>>  1996   712 root     S     1352   3%   0% -sh
>>  647     1 root     S     1352   3%   0% /bin/sh
>>  654     1 root     S     1312   3%   0% /usr/sbin/syslogd -m 0 -o 40000
>>  657     1 root     S     1144   3%   0% /usr/sbin/klogd -x
>>    1     0 root     S     1136   3%   0% init
>>  746     1 root     S     1136   3%   0% /usr/local/sbin/imgsrv -p 8081
>>  651     1 root     S     1136   3%   0% /sbin/respawnd
>>  712     1 root     S     1136   3%   0% /bin/utelnetd -d
>>  752     1 root     S     1120   3%   0%
>> /usr/local/sbin/launch_php_script 2 /u
>>
>> this is top with the camera configured with  1280x720 (73k)
>> then i start mplayer in other terminal and the streamed video is
>> showed for 2 seconds... when the mplayer stop, top show this other
>> info:
>>
>> Mem: 27456K used, 12920K free, 0K shrd, 0K buff, 16248K cached
>> CPU:   0% usr   1% sys   0% nic  97% idle   0% io   0% irq   1% sirq
>> Load average: 0.20 0.24 0.25 2/34 2001
>>  PID  PPID USER     STAT   VSZ %MEM %CPU COMMAND
>>  2001  1996 root     R     1496   4%   1% top
>>  751     1 root     S     4136  10%   0% /usr/local/sbin/autoexposure
>>  830   829 root     S    44928 111%   0% /usr/local/bin/str
>>  750     1 root     R     1120   3%   0% /usr/local/sbin/autocampars
>>  827     1 root     S    44928 111%   0% /usr/local/bin/str
>>  829   827 root     S    44928 111%   0% /usr/local/bin/str
>>  765   763 root     S    30936  76%   0% /usr/local/sbin/php
>>  764   763 root     S    30936  76%   0% /usr/local/sbin/php
>>  763   759 root     S    30872  76%   0% /usr/local/sbin/php
>>  759     1 root     S     5336  13%   0% /usr/local/sbin/lighttpd -f
>> /etc/light
>>  727     1 root     S     1480   4%   0% /usr/sbin/dropbear
>>  716     1 root     S     1432   4%   0% /bin/vftpd -r
>>  1996   712 root     S     1352   3%   0% -sh
>>  647     1 root     S     1352   3%   0% /bin/sh
>>  654     1 root     S     1312   3%   0% /usr/sbin/syslogd -m 0 -o 40000
>>
>> ps-------------------------------------------
>>
>>  PID USER       VSZ STAT COMMAND
>>
>>    1 root      1136 S    init
>>    2 root         0 SWN  [ksoftirqd/0]
>>    3 root         0 SW   [watchdog/0]
>>    4 root         0 SW<  [events/0]
>>    5 root         0 SW<  [khelper]
>>    6 root         0 SW<  [kthread]
>>    8 root         0 SW<  [kblockd/0]
>>   11 root         0 SW<  [khubd]
>>   23 root         0 SW   [pdflush]
>>   24 root         0 SW   [pdflush]
>>   25 root         0 SW<  [kswapd0]
>>   26 root         0 SW<  [aio/0]
>>  568 root         0 SW   [mtdblockd]
>>  602 root         0 SWN  [jffs2_gcd_mtd4]
>>  647 root      1352 S    /bin/sh
>>  651 root      1136 S    /sbin/respawnd
>>  654 root      1312 S    /usr/sbin/syslogd -m 0 -o 40000
>>  657 root      1144 S    /usr/sbin/klogd -x
>>  712 root      1136 S    /bin/utelnetd -d
>>  716 root      1432 S    /bin/vftpd -r
>>  727 root      1480 S    /usr/sbin/dropbear
>>  746 root      1136 S    /usr/local/sbin/imgsrv -p 8081
>>  750 root      1120 S    /usr/local/sbin/autocampars
>>  751 root      4136 S    /usr/local/sbin/autoexposure
>>  752 root      1120 S    /usr/local/sbin/launch_php_script 2
>> /usr/local/sbin/c
>>  759 root      5336 S    /usr/local/sbin/lighttpd -f /etc/lighttpd.conf
>> -m /us
>>  763 root     30872 S    /usr/local/sbin/php
>>  764 root     30936 S    /usr/local/sbin/php
>>  765 root     30936 S    /usr/local/sbin/php
>>  827 root     44928 S    /usr/local/bin/str
>>  829 root     44928 S    /usr/local/bin/str
>>  830 root     44928 S    /usr/local/bin/str
>>  1996 root      1352 S    -sh
>>  2002 root      1488 R    ps
>>
>> usually when i use telnet after mplayer exits, telnet didnt respond for a
>> while.
>>
>> it seems that with gstreamer when this happends, i need to restart the
>> camera, but with mplayer i dont need to restart the camera (yet)
>>
>> > Your PC/laptop CPU usage?
>>
>> top running in my i7 (ubuntu 12.04) shows:
>>
>> top - 13:55:00 up  1:49,  4 users,  load average: 0.92, 0.97, 1.04
>> Tasks: 198 total,   2 running, 196 sleeping,   0 stopped,   0 zombie
>> Cpu(s):  1.8%us,  0.5%sy,  0.0%ni, 97.7%id,  0.0%wa,  0.0%hi,  0.0%si,
>>  0.0%st
>> Mem:  12401224k total,  2853840k used,  9547384k free,   142224k buffers
>> Swap:   524284k total,        0k used,   524284k free,  1919880k cached
>>
>>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>  2662 root      20   0 70732  51m  12m S    6  0.4   7:02.82 Xorg
>>  3346 carlos    20   0  467m 161m  23m S    3  1.3   5:35.28
>> plugin-containe
>>  2913 carlos    20   0  328m 164m  38m S    2  1.4  13:12.51 compiz
>>  1659 carlos     9 -11  171m 5696 4104 S    1  0.0   1:23.66
>> pulseaudio
>>  3884 carlos    20   0 96084  17m  11m S    1  0.1   0:29.12
>> gnome-terminal
>>  3309 carlos    20   0  547m 179m  32m S    0  1.5   4:15.87 firefox
>>  5669 root      20   0     0    0    0 S    0  0.0   0:00.91
>> kworker/0:1
>>  5825 carlos    20   0  2836 1200  884 R    0  0.0   0:00.03 top
>>    1 root      20   0  3636 1984 1284 S    0  0.0   0:01.26 init
>>    2 root      20   0     0    0    0 S    0  0.0   0:00.00 kthreadd
>>    3 root      20   0     0    0    0 S    0  0.0   0:00.12
>> ksoftirqd/0
>>    6 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/0
>>    7 root      RT   0     0    0    0 S    0  0.0   2:09.07
>> watchdog/0
>>    8 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/1
>>   10 root      20   0     0    0    0 S    0  0.0   0:00.05
>> ksoftirqd/1
>>   12 root      RT   0     0    0    0 S    0  0.0   0:29.46
>> watchdog/1
>>   13 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/2
>>   15 root      20   0     0    0    0 S    0  0.0   0:00.05
>> ksoftirqd/2
>>   16 root      RT   0     0    0    0 S    0  0.0   0:00.01
>> watchdog/2
>>   17 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/3
>>   19 root      20   0     0    0    0 S    0  0.0   0:00.03
>> ksoftirqd/3
>>   20 root      RT   0     0    0    0 S    0  0.0   0:00.04
>> watchdog/3
>>   21 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/4
>>   23 root      20   0     0    0    0 S    0  0.0   0:00.01
>> ksoftirqd/4
>>   24 root      RT   0     0    0    0 S    0  0.0   0:00.01
>> watchdog/4
>>   25 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/5
>>   27 root      20   0     0    0    0 S    0  0.0   0:00.00
>> ksoftirqd/5
>>   28 root      RT   0     0    0    0 S    0  0.0   0:00.01
>> watchdog/5
>>   29 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/6
>>   30 root      20   0     0    0    0 S    0  0.0   0:00.00
>> kworker/6:0
>>   31 root      20   0     0    0    0 S    0  0.0   0:00.00
>> ksoftirqd/6
>>   32 root      RT   0     0    0    0 S    0  0.0   0:00.01
>> watchdog/6
>>   33 root      RT   0     0    0    0 S    0  0.0   0:00.00
>> migration/7
>>   35 root      20   0     0    0    0 S    0  0.0   0:00.01
>> ksoftirqd/7
>>   36 root      RT   0     0    0    0 S    0  0.0   0:00.01 watchdog/7
>>
>> > Best regards,
>> > Oleg Dzhimiev
>> > Electronics Engineer
>> > phone: +1 801 783 5555 x124
>> > Elphel, Inc.
>>
>>
>>
>> --
>> Carlos Padial
>> surreal.asturnazari.es
>>
>> _______________________________________________
>> Support-list mailing list
>> Support-list at support.elphel.com
>> http://support.elphel.com/mailman/listinfo/support-list_support.elphel.com
>>
>
>
>


-- 
Best regards,
Oleg Dzhimiev
Electronics Engineer
phone: +1 801 783 5555 x124
Elphel, Inc.
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