<div class="gmail_quote">On Wed, Dec 30, 2009 at 11:36 PM, <<a href="mailto:gstreamer-devel-request@lists.sourceforge.net">gstreamer-devel-request@lists.sourceforge.net</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Send gstreamer-devel mailing list submissions to <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> To subscribe or unsubscribe via the World Wide Web, visit <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> or, via email, send a message with subject or body 'help' to <a href="mailto:gstreamer-devel-request@lists.sourceforge.net">gstreamer-devel-request@lists.sourceforge.net</a> You can reach the person managing the list at <a href="mailto:gstreamer-devel-owner@lists.sourceforge.net">gstreamer-devel-owner@lists.sourceforge.net</a> When replying, please edit your Subject line so it is more specific than "Re: Contents of gstreamer-devel digest..." Today's Topics: 1. trouble with playbin2 and audio track (kitone) 2. Re: level element in playbin2 (Stefan Kost) 3. Re: gstreamer clock (Stefan Kost) 4. Re: gstreamer in a non-multimedia area? (Stefan Kost) 5. H.264 decoder sink problem (<a href="mailto:ananthula.madhu@wipro.com">ananthula.madhu@wipro.com</a>) 6. Re: gstreamer in a non-multimedia area? (Leonardo Sandoval) 7. Re: Playbin2 and Audio-CDs (regomodo) ---------------------------------------------------------------------- Message: 1 Date: Wed, 30 Dec 2009 13:18:54 +0100 From: kitone <<a href="mailto:kitone@free.fr">kitone@free.fr</a>> Subject: [gst-devel] trouble with playbin2 and audio track To: <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> Message-ID: <<a href="mailto:20091230131854.0c177421@free.fr">20091230131854.0c177421@free.fr</a>> Content-Type: text/plain; charset=US-ASCII Hi everyone, I'm using playbin2 to play video and I've add the ability to change audio track in the player. This doesn't work very well. When I switch to an other track there's little problem like no sound, need to seek to have sound again or some little freeze. So there's a best way to change track ? Do I need to define the state of the pipeline to PAUSED, change the audio track and replay again ? Or can I do this on the fly ? code : void Player::set_current_audio(int track) { g_object_set (playbin, "current-audio", track, NULL); } Best regards, kitone ------------------------------ Message: 2 Date: Wed, 30 Dec 2009 16:30:15 +0200 From: Stefan Kost <<a href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</a>> Subject: Re: [gst-devel] level element in playbin2 To: Discussion of the development of GStreamer <<a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a>> Message-ID: <<a href="mailto:4B3B63F7.9030601@hora-obscura.de">4B3B63F7.9030601@hora-obscura.de</a>> Content-Type: text/plain; charset=ISO-8859-1 hi, Am 28.12.2009 14:34, schrieb J. Rios: > Hello, > Im tryign to incorporate the level element into a playbin2. This is > the significant part of what I have tried > > GstElement * outputsink; > outputsink = gst_element_factory_make( "gconfaudiosink", "audio-sink" ); > ... > GstElement * m_Playbin = gst_element_factory_make( "playbin2", "play" ); > ... > GstElement * level = gst_element_factory_make( "level", "levelctrl" ); > > GstElement * replay = gst_element_factory_make( "rgvolume", > "replaygain" ); > > > gst_bin_add( GST_BIN( m_Playbin ), level ); > gst_bin_add( GST_BIN( m_Playbin ), replay ); > g_object_set( G_OBJECT( m_Playbin ), "audio-sink", outputsink, NULL ); > > g_object_set( level, "message", true, NULL ); > > g_object_set( G_OBJECT( m_Playbin ), "flags", 0x02|0x10, NULL ); > > gst_bus_add_watch( gst_pipeline_get_bus( GST_PIPELINE( m_Playbin ) ), > ( GstBusFunc ) gst_bus_async_callback, this ); > > this cannot work as such. The elements need to be linked in the right order. What you need to do, is to create an own bin, add level, replay and the audiosink there, link them and set your bin as the audiosink. You need to add a ghostpad to the bin and set it to the first (yet unlinked) sink pad of you elements. Stefan > The problem I have is that I dont get the Element messages. All the rest > works fine including the replay-gain volumen but I dont get the level > messages in the callback function. > What I want to do is detect when the sound level is below an user > defined level so I can skip to next track. > > I dunno if this is the correct place to put it but I have been tryign to > search for this with no success. Please if u know what is wrong or how > it should work let me know > > Thanks in advance > J.Rios > > > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and easy > Join now and get one step closer to millions of Verizon customers > <a href="http://p.sf.net/sfu/verizon-dev2dev" target="_blank">http://p.sf.net/sfu/verizon-dev2dev</a> > > > > _______________________________________________ > gstreamer-devel mailing list > <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> > <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> ------------------------------ Message: 3 Date: Wed, 30 Dec 2009 16:33:26 +0200 From: Stefan Kost <<a href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</a>> Subject: Re: [gst-devel] gstreamer clock To: Discussion of the development of GStreamer <<a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a>> Cc: sreerenj b <<a href="mailto:bsreerenj@gmail.com">bsreerenj@gmail.com</a>> Message-ID: <<a href="mailto:4B3B64B6.3020401@hora-obscura.de">4B3B64B6.3020401@hora-obscura.de</a>> Content-Type: text/plain; charset=ISO-8859-1 Am 30.12.2009 08:19, schrieb sreerenj b: > > HI, > > Is there any way to get some signal or tick from the pipeline depending > upon the data transferd?(For example, suppose if i change the streaming > server playback rate to twice the actual rate,then i should needs to get > some identification from pipeline in each second or in some periodic > manner.) You could use gst_clock_new_periodic_id() together with a gst_clock_id_wait() or gst_clock_id_wait_async() Stefan > -- > Sreerenj B > <a href="mailto:bsreerenj@gmail.com">bsreerenj@gmail.com</a> <mailto:<a href="mailto:bsreerenj@gmail.com">bsreerenj@gmail.com</a>> > mob: +91 9739469496 > > </blockquote><div> Hi , These are depending upon the time intervals i think.Is it possible to get the tick from pipeline depending upon the amount of data being trasfered?( if the network traffic is blocked for sometimes, it should not send any ticks) sreerenj </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and easy > Join now and get one step closer to millions of Verizon customers > <a href="http://p.sf.net/sfu/verizon-dev2dev" target="_blank">http://p.sf.net/sfu/verizon-dev2dev</a> > > > > _______________________________________________ > gstreamer-devel mailing list > <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> > <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> ------------------------------ Message: 4 Date: Wed, 30 Dec 2009 16:36:37 +0200 From: Stefan Kost <<a href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</a>> Subject: Re: [gst-devel] gstreamer in a non-multimedia area? To: Discussion of the development of GStreamer <<a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a>> Cc: Leonardo Sandoval <<a href="mailto:leonardo_gdl@yahoo.com.mx">leonardo_gdl@yahoo.com.mx</a>> Message-ID: <<a href="mailto:4B3B6575.1020707@hora-obscura.de">4B3B6575.1020707@hora-obscura.de</a>> Content-Type: text/plain; charset=ISO-8859-1 hi, Am 29.12.2009 18:18, schrieb Leonardo Sandoval: > Hi, > > In the past, I worked in a project which consists of joining together several numerical codes (codes which solve some particular physic problem, like stars gravity or star mass evolution) in a single one, but this turned to be a very difficult problem due to different language/technologies. > > Recently, I moved to the multimedia field using gstreamer and seems to be an excellent and natural 'glue' to put several things together under a single framework. Before I can dig deeper on this, I have a simple question: in the case of galaxy dynamics, we are not talking about frames but 'snapshots', where each snapshot contains the information of each star inside a galaxy (mass, position, velocity, gas composition, etc.), i.e. the state of the galaxy at some time. > > I know that gstreamer does not care about the kind of data flowing, I just want to know if gstreamer has been used in other fields rather than multimedia and if yes, which has been the experienced with this technology. > I am quite sure it can be done. WHat I wonder is how gstreamer might help you. For multimedia it gives you data flow synchronisation and format negotiation (and other things). I am not sure you would need those. What would be left is the plugin framework and some developments support. > > Happy new year! > Same to you. Stefan > > > Encuentra las mejores recetas en Yahoo! Cocina. > <a href="http://mx.mujer.yahoo.com/cocina/" target="_blank">http://mx.mujer.yahoo.com/cocina/</a> > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and easy > Join now and get one step closer to millions of Verizon customers > <a href="http://p.sf.net/sfu/verizon-dev2dev" target="_blank">http://p.sf.net/sfu/verizon-dev2dev</a> > _______________________________________________ > gstreamer-devel mailing list > <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> > <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> ------------------------------ Message: 5 Date: Wed, 30 Dec 2009 20:15:13 +0530 From: <<a href="mailto:ananthula.madhu@wipro.com">ananthula.madhu@wipro.com</a>> Subject: [gst-devel] H.264 decoder sink problem To: <<a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a>> Message-ID: <<a href="mailto:9833F736BF212D438BF4F998F697E4D01C0B0E@BLR-SJP-MBX02.wipro.com">9833F736BF212D438BF4F998F697E4D01C0B0E@BLR-SJP-MBX02.wipro.com</a>> Content-Type: text/plain; charset="us-ascii" Hi , I am developing H264 decoder plugin. In my current pipeline i took filesrc, myplugin and autovideosink elements. i was able to decode the .H264 input file but i am not able to view the video on sink side. The decoded data by writing into a file and able to run with yuv tool. but through sink i am not able to. Could anyone suggest what output buffer should i create and which capabilities need i to set? Please its urgent... Thanks & Regards Mohan Reddy -------------- next part -------------- An HTML attachment was scrubbed... ------------------------------ Message: 6 Date: Wed, 30 Dec 2009 09:14:38 -0800 (PST) From: Leonardo Sandoval <<a href="mailto:leonardo_gdl@yahoo.com.mx">leonardo_gdl@yahoo.com.mx</a>> Subject: Re: [gst-devel] gstreamer in a non-multimedia area? To: Discussion of the development of GStreamer <<a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a>>, Stefan Kost <<a href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</a>> Message-ID: <<a href="mailto:543562.52056.qm@web50708.mail.re2.yahoo.com">543562.52056.qm@web50708.mail.re2.yahoo.com</a>> Content-Type: text/plain; charset=iso-8859-1 I think may be gstreamer a good option at least for those two reasons you mentioned: * Syncronisation: for example, in a galaxy evolution, several physics (gravitation, star evolution, etc.) are occurring at the same time, so we need syncronisation to control these computations. * format negotiation: currently, different codes outputs different data formats so most of the time the output of one program has to be converted in order to be the input of another program. Using standard formats specified in the pads/caps, these can be avoided, I believe. However, there is one problem. In a multimedia, we have all the data to be reproduced (encoded,decoded,etc) but in this case, starting from an initial snapshot (initial conditions) an new snapshot is produced (the snapshot at time t_0 + delta), then the latter is used to create the snapshot t_0 + 2*delta, etc, and I believe in gstreamer it is not possible that the output of a right element is the input of a left element, like in this diagram: ________ ________ _______ | | | | | | --|->---| |----- | |------| |--->---| | |________| |________| |_______| | | | |-----------------------------------------------------| Ing. Leonardo SandovalCel: (044) 81 10 62 33 59Casa: (0181) 17 33 04 73 --- El mi? 30-dic-09, Stefan Kost <<a href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</a>> escribi?: > De:: Stefan Kost <<a href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</a>> > Asunto: Re: [gst-devel] gstreamer in a non-multimedia area? > A: "Discussion of the development of GStreamer" <<a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a>> > Cc: "Leonardo Sandoval" <<a href="mailto:leonardo_gdl@yahoo.com.mx">leonardo_gdl@yahoo.com.mx</a>> > Fecha: mi?rcoles 30 de diciembre de 2009, 8:36 > hi, > > Am 29.12.2009 18:18, schrieb Leonardo Sandoval: > > Hi, > > > > In the past, I worked in a project which consists of > joining together several numerical codes (codes which solve > some particular physic problem, like stars gravity or star > mass evolution) in a single one, but this turned to be a > very difficult problem due to different > language/technologies. > > > > Recently, I moved to the multimedia field using > gstreamer and seems? to be an excellent and natural > 'glue' to put several things together under a single > framework. Before I can dig deeper on this, I have a simple > question: in the case of galaxy dynamics, we are not talking > about frames but 'snapshots', where each snapshot contains > the information of each star inside a galaxy (mass, > position, velocity, gas composition, etc.), i.e. the > state? of the galaxy at some time.? > > > > I know that gstreamer does not care about the kind of > data flowing, I just want to know if gstreamer has been used > in other fields? rather than multimedia and if yes, > which has been the experienced with this technology. > > > > I am quite sure it can be done. WHat I wonder is how > gstreamer might help you. > For multimedia it gives you data flow synchronisation and > format negotiation > (and other things). I am not sure you would need those. > What would be left is > the plugin framework and some developments support. > > > > > Happy new year! > > > Same to you. > > Stefan > > > > > >? ? ???Encuentra las mejores > recetas en Yahoo! Cocina.? ? ? ? ? > ? ? ? ? ? ??? > > <a href="http://mx.mujer.yahoo.com/cocina/" target="_blank">http://mx.mujer.yahoo.com/cocina/</a> > > > > > ------------------------------------------------------------------------------ > > This SF.Net email is sponsored by the Verizon > Developer Community > > Take advantage of Verizon's best-in-class app > development support > > A streamlined, 14 day to market process makes app > distribution fast and easy > > Join now and get one step closer to millions of > Verizon customers > > <a href="http://p.sf.net/sfu/verizon-dev2dev" target="_blank">http://p.sf.net/sfu/verizon-dev2dev</a> > > _______________________________________________ > > gstreamer-devel mailing list > > <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> > > <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> > > Encuentra las mejores recetas en Yahoo! Cocina. <a href="http://mx.mujer.yahoo.com/cocina/" target="_blank">http://mx.mujer.yahoo.com/cocina/</a> ------------------------------ Message: 7 Date: Wed, 30 Dec 2009 18:06:24 +0000 From: regomodo <<a href="mailto:regomodo@googlemail.com">regomodo@googlemail.com</a>> Subject: Re: [gst-devel] Playbin2 and Audio-CDs To: Discussion of the development of GStreamer <<a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a>> Message-ID: <<a href="mailto:200912301806.24975.regomodo@googlemail.com">200912301806.24975.regomodo@googlemail.com</a>> Content-Type: Text/Plain; charset="iso-8859-1" On Monday 28 December 2009 16:01:06 Tim-Philipp M?ller wrote: > On Mon, 2009-12-21 at 20:55 +0000, reg wrote: > > I'm trying to use playbin2 with audiocds. I can get a track to > > play,pause and seek fine but the moment I try and change the uri > > playbin2 just plays up a lot. These are the errors I get: > > > > (Gereqi.py:5019): GStreamer-WARNING **: Name queue is not unique in bin > > uridecodebin0, not adding > > > > (Gereqi.py:5019): GStreamer-CRITICAL **: gst_caps_get_structure: > > assertion `index < caps->structs->len' failed > > > > (Gereqi.py:5019): GStreamer-CRITICAL **: gst_structure_get_name: > > assertion `structure != NULL' failed > > > > > > However, I can use playbin2 again without restarting my app. I just > > can't use the audio-cd until I restart my app. > > > > Is it possible to use playbin2 with audio-cd's yet? > > This was a bug, it's fixed in git now and will be in the upcoming -base > 0.10.26 release. > > See <a href="https://bugzilla.gnome.org/show_bug.cgi?id=605219" target="_blank">https://bugzilla.gnome.org/show_bug.cgi?id=605219</a> > > Cheers > -Tim > > > > --------------------------------------------------------------------------- > --- This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and > easy Join now and get one step closer to millions of Verizon customers > <a href="http://p.sf.net/sfu/verizon-dev2dev" target="_blank">http://p.sf.net/sfu/verizon-dev2dev</a> > _______________________________________________ > gstreamer-devel mailing list > <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> > <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> > I finally got around to trying out git. Uninstalled everything gst related on my system and built gstreamer,gst-plugins-base and gst-python (in that order) only adding --prefix=/usr/ to ./configure. However, I get an error when I try to play a cd track: 'Error: Your GStreamer installation is missing a plug-in.', 'gstplaysink.c(1483): gen_audio_chain (): /GstPlayBin2:player/GstPlaySink:playsink0' I see this is from gst-plugins-base but I cannot see an option to enable/disable this. ------------------------------ ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers <a href="http://p.sf.net/sfu/verizon-dev2dev" target="_blank">http://p.sf.net/sfu/verizon-dev2dev</a> ------------------------------ _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel" target="_blank">https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</a> End of gstreamer-devel Digest, Vol 43, Issue 47 *********************************************** </blockquote></div> -- Sreerenj B Software engineer,Carinov Networks Pvt Ltd <a href="mailto:bsreerenj@gmail.com">bsreerenj@gmail.com</a> mob: +91 9739469496