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#1 2016-04-30 15:25:04

horo
Member
Registered: 2016-03-13
Posts: 18

Skype video playback not working

Installed Skype's multiarch deb by adding i386 architecture with

dpkg --add-architecture i386
apt-get update

Everything worked, except the video which was a black screen.

I have a Logitech c270 webcam. I can verify it is functioning by running

mplayer -vo x11 tv://

I got a decent video playback.

Reading around, it seems that the issue is Skype wants 32bit versions of video 4 linux. I believe I installed this by running

sudo apt-get install libv4l-0:i386

This added a libv4l directory to /usr/lib/i386-linux-gnu. Previously I only had libv4l in /usr/lib/x86_64-linux-gnu/

Pretty much every tutorial has me run

LD_PRELOAD=/usr/lib/i386-linux-gnu/libv4l/v4l1compat.so skype

or some version there of. Nothing works.

I've gotten two errors so far-

libv4l2: error dequeuing buf: Device or resource busy

and

ERROR: ld.so: object '/usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored

so yea I don't know where to go from here

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#2 2016-04-30 16:52:35

Head_on_a_Stick
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From: London
Registered: 2015-09-29
Posts: 8,759
Website

Re: Skype video playback not working

If you launch Skype from a terminal, are there any error messages returned?

If so, please post them here.

Have you seen https://wiki.debian.org/skype?

I don't use Skype myself so I may not be able to help much.


“Et ignotas animum dimittit in artes.” — Ovid, Metamorphoses, VIII., 18.

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#3 2016-04-30 23:02:41

horo
Member
Registered: 2016-03-13
Posts: 18

Re: Skype video playback not working

running skype from terminal does not produce any messages. I guess it does not run verbose? Is there a way to force that?

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#4 2016-05-01 15:41:45

Nili
Member
From: $HOME/♫♪
Registered: 2015-09-30
Posts: 909
Website

Re: Skype video playback not working

I don't use Skype anymore but remember installing guvcview driver helped me to get rid the black screen on this application and Skype too.

There are Debian repositories regarding this package. Perhaps look once this possibility of this tool.

Nili


Devuan | Fluxbox
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Nothing beats peace and quiet - Tomoki Sakurai

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#5 2016-05-02 03:50:38

horo
Member
Registered: 2016-03-13
Posts: 18

Re: Skype video playback not working

So i installed guvcview through synaptic and when I ran it in terminal got this-

lboo@nate:~$ sudo guvcview 
[sudo] password for lboo: 
GUVCVIEW: couldn't open /root/.config/guvcview2/video0 for read: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_route.c:947:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:947:(find_matching_chmap) Found no matching channel map
ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect: Connection refused

ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect: Connection refused

Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
V4L2_CORE: Could not grab image (select timeout): Resource temporarily unavailable
V4L2_CORE: Could not grab image (select timeout): Resource temporarily unavailable
V4L2_CORE: Could not grab image (select timeout): Resource temporarily unavailable
lboo@nate:~$ 

i then poked around in synaptic for v4l2 files and saw an option for a package titled lib32v4l-0 discribed as a Collection for video4linux support libraries (32bit)

I tried to mark it for install but got an error message. I just went to make that error message pup up again to write it here and it didn't so whatever i'm gona try installing that package.


EDIT:
Rebooted after installing lib32v4l-0. Synaptic seemed unhappy with my choice wanted to upgrade after packages and flagging that package with a red square, but skype video is working now.

I do not know how much is just having the lib32v4l-0 package and how much is all the other stuff I did with preloader scripts, but whatever I'll take it for now.

Last edited by horo (2016-05-02 04:14:09)

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#6 2016-05-06 06:26:38

Nili
Member
From: $HOME/♫♪
Registered: 2015-09-30
Posts: 909
Website

Re: Skype video playback not working

I had something similar too and I was trying to provide my possibilities for solving this concern with guvcview dev.
ticket#14

strangely, coincidence or correctness but...

the last action i did, was removing VLC in favor of mplayer / mplayer2 / mpv fixed my concern.
I do not know what happened between these two applications

Nili wrote:

Removing any VLC tracert from my system seems to fix my issue, i have no crash anymore. Currently i am using mplayer2/smplayer no issue since a week.
I can safely open guvcview without a crash.

I don't use any cam in general currently. Perhaps check the author support. He note

Paulo Assis wrote:

A lot of fixes and chnages in the latest release (2.0.3)
If the problem still persists in this one please reopen a new bug against it.

Since you say you have adjusted yourself, that's a good news!

Mark the thread [SOLVED] on your title then

Last edited by Nili (2016-05-06 06:27:36)


Devuan | Fluxbox
---
Nothing beats peace and quiet - Tomoki Sakurai

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