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Re: black screen but have audio playing



2012/7/29 Camaleón <noelamac@gmail.com>:
> El 2012-07-29 a las 02:07 +0800, Umarzuki Mochlis escribió:
>
> (resending to the list)
>
>> 2012/7/28 Camaleón <noelamac@gmail.com>:
>> > On Sat, 28 Jul 2012 10:57:16 +0800, Umarzuki Mochlis wrote:
>> >
>> > Have you checked if it happens with all kind of video files? From ogg to
>> > mpeg, comercial DVD's, avi...  also, have you checked with VideoLAN? It
>> > uses its own codecs instead the system's one, so it can be a good test to
>> > discard a problem coming from the codecs.
>> >
>>
>> i checked with .ogg & .avi but none can show video, except audio
>> strangely enough, streaming ogg via iceweasel works (built-in HTML5 capability?)
>> already tried with smplayer & VLC but the same
>
> Streaming could be done from a flash player object or using the
> <video> tag of HTML5, only the code of the page you rendered can tell.
>
> More strange is that VLC fails to display the video because this fact
> will discard a missing plugin problem. Can you launch the video file from
> VLC using the command line? You can Use the debug parameter to get more
> info (vlc -vvv myfile.ogg). Also, check for the current video output
> under your preferences, it should be set to "X11".
>
> Do commercial/self-made DVDs play fine or fail in the same way?
>
>> > What ffmpeg package do you have installed? Debian's stock or the one from
>> > D-M?
>> >
>>
>> i think its from official repo
>>
>> # dpkg --get-selections | grep ffmpeg
>> gstreamer0.10-ffmpeg                          install
>> libxine1-ffmpeg                                       install
>>
>> # aptitude show gstreamer0.10-ffmpeg
>> Package: gstreamer0.10-ffmpeg
>> New: yes
>> State: installed
>> Automatically installed: yes
>> Version: 0.10.10-1
>> Priority: optional
>> Section: video
>> Maintainer: Maintainers of GStreamer packages
>> <pkg-gstreamer-maintainers@lists.alioth.debian.org>
>>
>> # aptitude show libxine1-ffmpeg
>> Package: libxine1-ffmpeg
>> New: yes
>> State: installed
>> Automatically installed: yes
>> Version: 1.1.19-2
>> Priority: optional
>> Section: video
>> Maintainer: Darren Salt <linux@youmustbejoking.demon.co.uk>
>
> Yes, they come from the official repo, otherwise there will be a "-bpo" in
> the package's name (in addition, those packages are not available at
> D-M). Anyway, I don't think this is a plugin issue because if so, VLC
> would have no problem for getting video and also, an ogg video file
> wouldn't experience this.
>
>> > Mmm... Sandy Bridge uses to have dual VGA chipsets but anyway, vdpau is
>> > not nvidia specific. Do you have "libvdpau1" installed? BTW, Google says
>> > that "libvdpau_nvidia.so" warning can be harmless.
>>
>> could it be a problem with the video driver?
>> the built-in webcam that comes with this laptop (lenovo v470) also
>> cannot show any video from Cheese
>
> The problem with webcam can be of a different nature, you will have to
> ensure your device is supported and modules are properly loaded. Also,
> you can try to get video from a different application such as Ekiga.

it seems that graphic module from backports isn't working well
when i switched to 2.6.32-5-amd64, video runs fine


-- 
Regards,

Umarzuki Mochlis
http://debmal.my


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