[gst-devel] State change issues when asking for a RTSP stream with VLC
Javier Gálvez Guerrero
javier.galvez.guerrero at gmail.com
Fri Mar 6 11:56:11 CET 2009
Hi,
I solved it. I have installed the "bad" plugins compilation and now I get
smooth RTP/MPEG-TS playback. I suppose it is because the mplex element.
Regards,
Javi
2009/3/5 Javier Gálvez Guerrero <javier.galvez.guerrero at gmail.com>
> Gstreamer MPEG demuxing is in charge of ffmpeg, isn't it? I have updated
> ffmpeg to the latest git version but it hasn't solved anything. I have also
> uninstalled the fluendo MPEG muxers and demuxers plugins with no positive
> results.
>
> On the other hand, multicast streaming (not RTSP) MPEG over UDP is played
> back smoothly, as local files do.
>
> Has anyone any idea about why I could play properly RTSP/RTP streaming
> contents before and now I get choppy playback?
>
>
> Thank you for your time and sorry for the inconvenience,
> Javi
>
>
> 2009/3/5 Javier Gálvez Guerrero <javier.galvez.guerrero at gmail.com>
>
> Thanks for your answer, Wim.
>>
>> So, Gstreamer 0.8 MPEG demuxers worked but those used in 0.10 are not
>> working properly?
>>
>>
>> Regards,
>> Javi
>>
>> 2009/3/5 Wim Taymans <wim.taymans at gmail.com>
>>
>> On Thu, 2009-03-05 at 10:28 +0100, Javier Gálvez Guerrero wrote:
>>> > Hi,
>>> >
>>> > I managed this issue by installing the UGLY plugins. However, I don't
>>> > know if this is the proper way to solve my issue.
>>> >
>>> > Now I can get the RTSP stream (both from VLC and Live555 RTSP servers)
>>> > but the video framerate is lower than the original and not stable. I
>>> > have checked that all RTP packets are received (sequence numbers are
>>> > ok) and I get neither error nor warning messages from Gstreamer, so I
>>> > don't know what is happening and how I could get a smooth video
>>> > playback in RTSP streaming (the same video played locally works
>>> > smoothly).
>>> >
>>> > As said before, I have these problems since I updated Gstreamer from
>>> > 0.8 to 0.10, so I don't know if there is any related issue with these
>>> > problems or if I'm missing something. Anyway, I would like anyone to
>>> > help me getting things working, either downgrading to 0.8 (I don't
>>> > know where to find this version) or managing with the current 0.10
>>> > version I've just installed.
>>> >
>>>
>>> The mpeg demuxers don't support demuxing live streams yet and screw up
>>> the timestamps, which makes the result rather choppy.
>>>
>>> Wim
>>> >
>>> > Thank you all,
>>> > Javi
>>> >
>>> >
>>> > 2009/3/4 Javier Gálvez Guerrero <javier.galvez.guerrero at gmail.com>
>>> > Hi there,
>>> >
>>> > I was using the Gstreamer framework (version 0.8) to get some
>>> > tests. I used Gstreamer as client and VLC (0.9.4) as RTSP
>>> > server and it worked smoothly. The problem has arised when
>>> > updating Gstreamer to 0.10.21. When I launch "gst-launch-0.10
>>> > playbin uri=rtsp://IP:PORT/content it never starts playing the
>>> > media. Using VLC as a client works ok.
>>> >
>>> > I can see with Wireshark the RTSP message exchange (PAUSE and
>>> > then TEARDOWN) and I get these error messages where launching
>>> > Gstreamer:
>>> >
>>> > Estableciendo el flujo a PAUSADO ... (PAUSED)
>>> > El flujo es en vivo y no necesita PRECACHEADO ... (PRECACHED)
>>> > Estableciendo el flujo para REPRODUCCIÓN ... (PLAY)
>>> > New clock: GstSystemClock
>>> > ERROR: desde el
>>> > elemento
>>> /GstPlayBin:playbin0/GstDecodeBin:decodebin0/ffdec_mpegvideo:ffdec_mpegvideo0:
>>> Internal GStreamer error: negotiation problem. Please file a bug at
>>> http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer.
>>> > Información adicional de depurado:
>>> > gstffmpegdec.c(2339): gst_ffmpegdec_chain
>>> > ():
>>> /GstPlayBin:playbin0/GstDecodeBin:decodebin0/ffdec_mpegvideo:ffdec_mpegvideo0:
>>> > ffdec_mpegvideo: input format was not set before data start
>>> > Execution ended after 887032082 ns.
>>> > Estableciendo el flujo a PAUSADO ...
>>> > Estableciendo pipeline a READY...
>>> > Estableciendo pipeline a NULL...
>>> > LIBERANDO pipeline ... (FREEING)
>>> >
>>> >
>>> > I would like to know how I can solve this issue and, in case
>>> > the only solution is downgrading to gstreamer 0.8, could
>>> > anybody tell me where can I find it?
>>> >
>>> > By the way, as you may have noted, I am a newbie in the
>>> > Gstreamer framework, but I am quite interested in succeedin
>>> > using it. Any help would be much appreciated.
>>> >
>>> >
>>> > Thank you,
>>> > Javi
>>> >
>>> >
>>> >
>>> ------------------------------------------------------------------------------
>>> > Open Source Business Conference (OSBC), March 24-25, 2009, San
>>> Francisco, CA
>>> > -OSBC tackles the biggest issue in open source: Open Sourcing the
>>> Enterprise
>>> > -Strategies to boost innovation and cut costs with open source
>>> participation
>>> > -Receive a $600 discount off the registration fee with the source code:
>>> SFAD
>>> > http://p.sf.net/sfu/XcvMzF8H
>>> > _______________________________________________ gstreamer-devel mailing
>>> list gstreamer-devel at lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco,
>>> CA
>>> -OSBC tackles the biggest issue in open source: Open Sourcing the
>>> Enterprise
>>> -Strategies to boost innovation and cut costs with open source
>>> participation
>>> -Receive a $600 discount off the registration fee with the source code:
>>> SFAD
>>> http://p.sf.net/sfu/XcvMzF8H
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20090306/67600de9/attachment.htm>
More information about the gstreamer-devel
mailing list