<html> <head> <style> .hmmessage P { margin:0px; padding:0px } body.hmmessage { font-size: 10pt; font-family:Verdana } </style> </head> <body class='hmmessage'> I am fine. No problem. You may find a better explanation of the problem in this wiki entry: http://gstreamer.freedesktop.org/wiki/FAQ#head-9f14f8ce765b3d24c91660db5f02e3345da98a35 > Date: Fri, 24 Apr 2009 07:22:53 -0700 > From: alavariega@dextratech.com > To: gstreamer-devel@lists.sourceforge.net > Subject: Re: [gst-devel] play audio and video simultaneously > > > Hi how are you? > > Thanks a lot for your help, the problem was solved with your comments below. > > Have a nice day and again thanks for your help and time for reply to my > mails > > Best Regards, > > Alberto > > > sledge hammer wrote: > > > > > > I think your problem is this: > > > > The queues should be between the demuxer and the decoder. I see that you > > put them between the decoder and the audioconvert(for the audio stream). > > The pipeline linkage should look like > > src->demuxer->queuea->decodera->convert->resample->sinka > > src->demuxer->queuev->decoderv->sinkv > > > >> Date: Thu, 23 Apr 2009 08:31:41 -0700 > >> From: alavariega@dextratech.com > >> To: gstreamer-devel@lists.sourceforge.net > >> Subject: Re: [gst-devel] play audio and video simultaneously > >> > >> > >> The "mad" element doesn't have dynamic pads, so it doesn't emit a > >> "pad-added" > >> signal. You can connect it directly to "audioconvert". > >> > >> Also I see that you declare "queueV" as a "GstElement**" and not as a > >> "GstElement*". > >> > >> > >> Hi Sledge, thanks for your reply! > >> > >> I have already made the corresponding changes and still not activated the > >> signal that link the video decoder with the respective queue. when i > >> execute > >> the application this is the result: > >> > >> ** (testvideop:6043): DEBUG: Signal: pad-added > >> on_pad_added: audio/mpeg > >> ** (testvideop:6043): DEBUG: Linking audio pad to decodera > >> The audio pad src was linked > >> ** (testvideop:6043): DEBUG: Signal: pad-added > >> on_pad_added: video/mpeg > >> ** (testvideop:6043): DEBUG: Linking video pad to decoderv > >> The video pad src was linked > >> > >> There are no more errors, but they are not playing the video and audio > >> streams simultaneously > >> > >> Thanks in advance for the help, > >> > >> Best Regards, > >> > >> Alberto. > >> > >> > >> > >> #include<gst/gst.h> > >> > >> static gboolean bus_call (GstBus *bus, GstMessage *msg, gpointer > >> data); > >> static void on_pad_added (GstElement *element, GstPad *pad); > >> static void on_decpad_added(GstElement *element, GstPad *pad ); > >> > >> GstElement *pipeline, *src, *demux, *decoderv, *sinkv, *decodera, > >> *convert, > >> *resample, *sinka; > >> GstElement *queueA, *queueV; > >> > >> int main(int argc, char *argv[]) > >> { > >> GstStateChangeReturn ret; > >> GMainLoop *loop; > >> GstBus *bus; > >> /*initialization*/ > >> gst_init(&argc,&argv); > >> loop = g_main_loop_new(NULL, FALSE); > >> > >> if(argc != 2) > >> { > >> g_print("Usage: %s <mpg/mpeg video file>", argv[0]); > >> return -1; > >> } > >> > >> pipeline = gst_pipeline_new("VIDEO PLAYER"); > >> bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline)); > >> gst_bus_add_watch(bus, bus_call, loop); > >> > >> src = gst_element_factory_make("filesrc", "filesource"); > >> demux = gst_element_factory_make("dvddemux", "mpg-demux"); > >> > >> /*Gstreamer video elements*/ > >> decoderv = gst_element_factory_make("mpeg2dec", "mpeg-decoder"); > >> sinkv = gst_element_factory_make("xvimagesink", "video-out"); > >> if(!decoderv || !sinkv) > >> { > >> g_print("\nthe video could not playback\n"); > >> return -1; > >> } > >> > >> /*Gstreamer audio elements*/ > >> > >> decodera = gst_element_factory_make("mad", "decoder-audio"); > >> convert = gst_element_factory_make("audioconvert", "a-convert"); > >> resample = gst_element_factory_make("audioresample", "a-resample"); > >> sinka = gst_element_factory_make("osssink", "play audio"); > >> if(!decodera || !convert || !resample || !sinka) > >> { > >> g_print("\nthe audio could not playback\n"); > >> return -1; > >> } > >> > >> queueA = gst_element_factory_make("queue", "queue-audio"); > >> queueV = gst_element_factory_make("queue", "queue-video"); > >> > >> g_object_set (G_OBJECT (src), "location", argv[1], NULL); > >> gst_bin_add_many(GST_BIN(pipeline), src, demux, decoderv, > >> queueV,sinkv,decodera,convert, resample, sinka, NULL); > >> > >> gst_element_link (src, demux); > >> gst_element_link (queueV, sinkv); > >> // gst_element_link (queueA, convert); > >> gst_element_link (decodera, convert); > >> gst_element_link (convert, resample); > >> gst_element_link (resample, sinka); > >> > >> g_signal_connect (demux, "pad-added",G_CALLBACK (on_pad_added), NULL); > >> //g_signal_connect (decodera, > >> "pad-added",G_CALLBACK(on_decpad_added),decodera); > >> g_signal_connect (decoderv, > >> "pad-added",G_CALLBACK(on_decpad_added),decoderv); > >> > >> /* run */ > >> ret = gst_element_set_state (pipeline, GST_STATE_PLAYING); > >> > >> if (ret == GST_STATE_CHANGE_FAILURE) > >> { > >> GstMessage *msg; > >> > >> g_print ("Failed to start up pipeline!\n"); > >> > >> /* check if there is an error message with details on the bus */ > >> msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0); > >> if (msg) { > >> GError *err = NULL; > >> g_print("\nDISPLAY ERROR:\n"); > >> gst_message_parse_error (msg, &err, NULL); > >> g_print ("ERROR: %s\n", err->message); > >> g_error_free (err); > >> gst_message_unref (msg); > >> } > >> return -1; > >> } > >> > >> g_main_loop_run (loop); > >> > >> /* clean up */ > >> gst_element_set_state (pipeline, GST_STATE_NULL); > >> gst_object_unref (pipeline); > >> > >> return 0; > >> > >> } > >> > >> > >> static gboolean bus_call (GstBus *bus, GstMessage *msg, gpointer > >> data) > >> { > >> GMainLoop *loop = data; > >> > >> switch (GST_MESSAGE_TYPE (msg)) { > >> case GST_MESSAGE_EOS: > >> g_print ("End-of-stream\n"); > >> g_main_loop_quit (loop); > >> break; > >> case GST_MESSAGE_ERROR: { > >> gchar *debug = NULL; > >> GError *err = NULL; > >> > >> gst_message_parse_error (msg, &err, &debug); > >> > >> g_print ("Error: %s\n", err->message); > >> g_error_free (err); > >> > >> if (debug) { > >> g_print ("Debug details: %s\n", debug); > >> g_free (debug); > >> } > >> > >> g_main_loop_quit (loop); > >> break; > >> } > >> default: > >> break; > >> } > >> > >> return TRUE; > >> } > >> > >> > >> static void on_decpad_added(GstElement *element, GstPad *pad ) > >> { > >> g_debug ("Signal: decoder pad-added"); > >> GstCaps *caps; > >> GstStructure *str; > >> GstPad *targetsink; > >> caps = gst_pad_get_caps (pad); > >> g_assert (caps != NULL); > >> str = gst_caps_get_structure (caps, 0); > >> g_assert (str != NULL); > >> > >> g_debug ("Linking decoder to QUEUE pad "); > >> // Link it actually > >> //element = (element == decodera ? queueA : queueV); > >> targetsink = gst_element_get_pad ( queueV, "sink"); > >> g_assert (targetsink != NULL); > >> gst_pad_link (pad, targetsink); > >> if (gst_pad_is_linked(pad)) > >> g_print("The decoder pad src was linked\n"); > >> else > >> g_print("The stream:%s pad src was > >> linked\n",gst_pad_get_name(pad)); > >> gst_object_unref (targetsink); > >> gst_caps_unref (caps); > >> } > >> > >> static void on_pad_added (GstElement *element, GstPad *pad) > >> { > >> g_debug ("Signal: pad-added"); > >> GstCaps *caps; > >> GstStructure *str; > >> > >> caps = gst_pad_get_caps (pad); > >> g_assert (caps != NULL); > >> str = gst_caps_get_structure (caps, 0); > >> g_assert (str != NULL); > >> > >> const gchar *c = gst_structure_get_name(str); > >> g_print("on_pad_added: %s\n",c); > >> if (g_strrstr (c, "video") || g_strrstr (c, "image")) { > >> g_debug ("Linking video pad to decoderv"); > >> // Link it actually > >> GstPad *targetsink = gst_element_get_pad (decoderv, > >> "sink"); > >> g_assert (targetsink != NULL); > >> //g_print("\nVIDEO--pad source: %s\n", > >> gst_pad_get_name(pad)); > >> //g_print("\nVIDEO--pad sink: %s\n", > >> gst_pad_get_name(targetsink)); > >> gst_pad_link (pad, targetsink); > >> if (gst_pad_is_linked(pad)) > >> g_print("The video pad src was linked\n"); > >> gst_object_unref (targetsink); > >> } > >> > >> if (g_strrstr (c, "audio")) { > >> g_debug ("Linking audio pad to decodera"); > >> // Link it actually > >> GstPad *targetsink = gst_element_get_pad (decodera, > >> "sink"); > >> g_assert (targetsink != NULL); > >> //g_print("\nAUDIO--pad source: %s\n", > >> gst_pad_get_name(pad)); > >> //g_print("\nAUDIO--pad sink: %s\n", > >> gst_pad_get_name(targetsink)); > >> gst_pad_link (pad, targetsink); > >> if (gst_pad_is_linked(pad)) > >> g_print("The audio pad src was linked\n"); > >> gst_object_unref (targetsink); > >> } > >> > >> gst_caps_unref (caps); > >> } > >> > >> > >> > >> > >> -- > >> View this message in context: > >> http://www.nabble.com/play-audio-and-video-simultaneously-tp23175849p23197413.html > >> Sent from the GStreamer-devel mailing list archive at Nabble.com. > >> > >> > >> ------------------------------------------------------------------------------ > >> Stay on top of everything new and different, both inside and > >> around Java (TM) technology - register by April 22, and save > >> $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco. > >> 300 plus technical and hands-on sessions. Register today. > >> Use priority code J9JMT32. http://p.sf.net/sfu/p > >> _______________________________________________ > >> gstreamer-devel mailing list > >> gstreamer-devel@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel > > > > _________________________________________________________________ > > �� What's New �� . �� . > > http://home.live.com/ > > ------------------------------------------------------------------------------ > > Crystal Reports &#45; New Free Runtime and 30 Day Trial > > Check out the new simplified licensign option that enables unlimited > > royalty&#45;free distribution of the report engine for externally facing > > server and web deployment. > > http://p.sf.net/sfu/businessobjects > > _______________________________________________ > > gstreamer-devel mailing list > > gstreamer-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/gstreamer-devel > > > > > > -- > View this message in context: http://www.nabble.com/play-audio-and-video-simultaneously-tp23175849p23217475.html > Sent from the GStreamer-devel mailing list archive at Nabble.com. > > > ------------------------------------------------------------------------------ > Crystal Reports &#45; New Free Runtime and 30 Day Trial > Check out the new simplified licensign option that enables unlimited > royalty&#45;free distribution of the report engine for externally facing > server and web deployment. > http://p.sf.net/sfu/businessobjects > _______________________________________________ > gstreamer-devel mailing list > gstreamer-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/gstreamer-devel <hr />�� Facebook �� Hotmail <a href='http://profile.live.com/connect/?mkt=el-gr' target='_new'>�� !</a></body> </html>