[gst-devel] State change issues when asking for a RTSP stream with VLC
Javier Gálvez Guerrero
javier.galvez.guerrero at gmail.com
Tue Mar 17 17:09:36 CET 2009
Hi again,
When receiving a RTP stream configured through a RTSP session I never get
any Bus.EOS nor Bus.STATE_CHANGED message when the stream reaches its end.
Is this related with the MPEG demuxers? Is it considered to be solved?
Regards,
Javi
2009/3/6 Javier Gálvez Guerrero <javier.galvez.guerrero at gmail.com>
> I knew I could use gst-inspect to get information about specific
> elements/plugins but I didn't know that it lists everything if no arguments
> are provided. Thank you.
>
> Anyway, I can't find any mpegpsdemux nor mpegtsdemux elements in the list
> but I see a gstrtpssrcdemux from the bad plugins which may be related to my
> issue.
>
> Regards,
> Javi
>
>
> 2009/3/6 Zaheer Merali <zaheerabbas at merali.org>
>
>> On Fri, Mar 6, 2009 at 2:12 PM, Javier Gálvez Guerrero
>> <javier.galvez.guerrero at gmail.com> wrote:
>> > Thanks for your answer, Zaheer.
>> >
>> > How can I know which plugins/elements are installed in my system? I know
>> > I've installed the core-, base-, ugly- and bad-plugins packages, but how
>> can
>> > I know which elements they provide? I have looked at the GStreamer 0.10
>> > Plugins reference manual but I don't see neither mpegpsdemux nor
>> mpegtsdemux
>> > in the bad plugins reference manual.
>>
>> gst-inspect
>>
>> >
>> > I would like to know how to find this kind of information as it may be
>> > useful for my future development tasks (I need to start with the basic
>> > ideas...=) )
>> >
>> >
>> > Thank you all,
>> > Javi
>>
>> Zaheer
>> >
>> >
>> > 2009/3/6 Zaheer Merali <zaheerabbas at merali.org>
>> >>
>> >> On Fri, Mar 6, 2009 at 10:56 AM, Javier Gálvez Guerrero
>> >> <javier.galvez.guerrero at gmail.com> wrote:
>> >> > 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
>> >>
>> >> It was probably one of the mpeg demuxers mpegpsdemux or mpegtsdemux
>> >> inside gst-plugins-bad that solved your problem.
>> >>
>> >> Zaheer
>> >>
>> >> >
>> >> > 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
>> >> >>>
>> >> >>
>> >> >
>> >> >
>> >> >
>> >> >
>> ------------------------------------------------------------------------------
>> >> > 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
>> >
>> >
>> >
>> ------------------------------------------------------------------------------
>> > 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/20090317/c9217e35/attachment.htm>
More information about the gstreamer-devel
mailing list