Thank you! Is working now!!! <div class="gmail_quote">On Wed, Oct 28, 2009 at 6:54 AM, Stefan Kost <<a href="mailto:ensonic@hora-obscura.de">ensonic@hora-obscura.de</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> hi, This is wrong <div class="im">gst_element_link_many (source, demuxer, decoder, sink, NULL); </div>do <div class="im">gst_element_link(source, demuxer); </div>gst_element_link(decoder, sink); you will link demuxer to decoder in the on_pad_added() callback. Stefan <div class="im"> > > On Wed, Oct 28, 2009 at 12:12 AM, Gabriel Duarte <<a href="mailto:confusosk8@gmail.com">confusosk8@gmail.com</a> </div><div><div></div><div class="h5">> <mailto:<a href="mailto:confusosk8@gmail.com">confusosk8@gmail.com</a>>> wrote: > > sorry, I sent the wrong code, this is the right: > > #include <gst/gst.h> > #include <glib.h> > > > static gboolean > cb_print_position (GstElement *pipeline) > { > GstFormat fmt = GST_FORMAT_TIME; > gint64 pos, len; > > if (gst_element_query_position (pipeline, &fmt, &pos) > && gst_element_query_duration (pipeline, &fmt, &len)) { > g_print ("Time: %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT "\r", > GST_TIME_ARGS (pos), GST_TIME_ARGS (len)); > } > > /* call me again */ > return TRUE; > } > > > > static gboolean > bus_call (GstBus *bus, > GstMessage *msg, > gpointer data) > { > GMainLoop *loop = (GMainLoop *) 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; > GError *error; > > gst_message_parse_error (msg, &error, &debug); > g_free (debug); > > g_printerr ("Error: %s\n", error->message); > g_error_free (error); > > g_main_loop_quit (loop); > break; > } > default: > break; > } > > return TRUE; > } > > > static void > on_pad_added (GstElement *element, > GstPad *pad, > gpointer data) > { > GstPad *sinkpad; > GstElement *decoder = (GstElement *) data; > > /* We can now link this pad with the vorbis-decoder sink pad */ > g_print ("Dynamic pad created, linking demuxer/decoder\n"); > > sinkpad = gst_element_get_static_pad (decoder, "sink"); > > gst_pad_link (pad, sinkpad); > > gst_object_unref (sinkpad); > } > > > > int > main (int argc, > char *argv[]) > { > GMainLoop *loop; > > GstElement *pipeline, *source, *demuxer, *decoder, *sink; > GstBus *bus; > > /* Initialisation */ > gst_init (&argc, &argv); > > loop = g_main_loop_new (NULL, FALSE); > > > /* Check input arguments */ > /* if (argc != 2) { > g_printerr ("Usage: %s <Ogg/Vorbis filename>\n", argv[0]); > return -1; > }*/ > > /*gst-launch-0.10 dv1394src num-buffers=8192 ! dvdemux ! dvdec ! > xvimagesink sync=false*/ > /* Create gstreamer elements */ > pipeline = gst_pipeline_new ("DV_FIREWIRE"); > source = gst_element_factory_make ("dv1394src", > "dv1394src"); > demuxer = gst_element_factory_make ("dvdemux", "dvdemux"); > decoder = gst_element_factory_make ("dvdec", "dvdec"); > sink = gst_element_factory_make ("ximagesink", "ximagesink"); > > if (!pipeline || !source || !demuxer || !decoder || !sink) { > g_printerr ("One element could not be created. Exiting.\n"); > return -1; > } > > /* Set up the pipeline */ > > /* we set the input filename to the source element */ > /*g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);*/ > > /* we add a message handler */ > bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); > gst_bus_add_watch (bus, bus_call, loop); > gst_object_unref (bus); > > /* we add all elements into the pipeline */ > /* file-source | ogg-demuxer | vorbis-decoder | converter | > alsa-output */ > gst_bin_add_many (GST_BIN (pipeline), source, demuxer, decoder, > sink, NULL); > > /* we link the elements together */ > /* file-source -> ogg-demuxer ~> vorbis-decoder -> converter -> > alsa-output */ > /* gst_element_link (source, demuxer);*/ > gst_element_link_many (source, demuxer, decoder, sink, NULL); > g_signal_connect (demuxer, "pad-added", G_CALLBACK > (on_pad_added), decoder); > > /* note that the demuxer will be linked to the decoder dynamically. > The reason is that Ogg may contain various streams (for example > audio and video). The source pad(s) will be created at run time, > by the demuxer when it detects the amount and nature of streams. > Therefore we connect a callback function which will be executed > when the "pad-added" is emitted.*/ > > > /* Set the pipeline to "playing" state*/ > g_print ("Now playing: %s\n", argv[1]); > gst_element_set_state (pipeline, GST_STATE_PLAYING); > > > /* Iterate */ > g_print ("Running...\n"); > g_timeout_add (200, (GSourceFunc) cb_print_position, pipeline); > g_main_loop_run (loop); > > > /* Out of the main loop, clean up nicely */ > g_print ("Returned, stopping playback\n"); > gst_element_set_state (pipeline, GST_STATE_NULL); > > g_print ("Deleting pipeline\n"); > gst_object_unref (GST_OBJECT (pipeline)); > printf("THE END\n"); > return 0; > } > > > On Tue, Oct 27, 2009 at 8:24 PM, Gabriel Duarte </div></div><div><div></div><div class="h5">> <<a href="mailto:confusosk8@gmail.com">confusosk8@gmail.com</a> <mailto:<a href="mailto:confusosk8@gmail.com">confusosk8@gmail.com</a>>> wrote: > > hello all, I'm trying to convert this pipeline to C, but I'm > having problems.... > > > gst-launch-0.10 dv1394src num-buffers=8192 ! dvdemux ! dvdec ! > xvimagesink sync=false > > > I've wrote this code: > > > #include <string.h> /* for memset () */ > #include <gst/gst.h> > > static void > cb_handoff (GstElement *fakesrc, > GstBuffer *buffer, > GstPad *pad, > gpointer user_data) > { > static gboolean white = FALSE; > > /* this makes the image black/white */ > memset (GST_BUFFER_DATA (buffer), white ? 0xff : 0x0, > GST_BUFFER_SIZE (buffer)); > white = !white; > } > > gint > main (gint argc, > gchar *argv[]) > { > GstElement *pipeline, *fakesrc, *flt, *conv, *videosink; > GMainLoop *loop; > > /* init GStreamer */ > gst_init (&argc, &argv); > loop = g_main_loop_new (NULL, FALSE); > > /* setup pipeline */ > pipeline = gst_pipeline_new ("pipeline"); > fakesrc = gst_element_factory_make ("fakesrc", "source"); > flt = gst_element_factory_make ("capsfilter", "flt"); > conv = gst_element_factory_make ("ffmpegcolorspace", "conv"); > videosink = gst_element_factory_make ("xvimagesink", "videosink"); > > /* setup */ > g_object_set (G_OBJECT (flt), "caps", > gst_caps_new_simple ("video/x-raw-rgb", > "width", G_TYPE_INT, 384, > "height", G_TYPE_INT, 288, > "framerate", GST_TYPE_FRACTION, 1, 1, > "bpp", G_TYPE_INT, 16, > "depth", G_TYPE_INT, 16, > "endianness", G_TYPE_INT, G_BYTE_ORDER, > NULL), NULL); > gst_bin_add_many (GST_BIN (pipeline), fakesrc, flt, conv, videosink, NULL); > gst_element_link_many (fakesrc, flt, conv, videosink, NULL); > > /* setup fake source */ > g_object_set (G_OBJECT (fakesrc), > "signal-handoffs", TRUE, > "sizemax", 384 * 288 * 2, > "sizetype", 2, NULL); > g_signal_connect (fakesrc, "handoff", G_CALLBACK (cb_handoff), NULL); > > /* play */ > gst_element_set_state (pipeline, GST_STATE_PLAYING); > g_main_loop_run (loop); > > /* clean up */ > gst_element_set_state (pipeline, GST_STATE_NULL); > gst_object_unref (GST_OBJECT (pipeline)); > > return 0; > } > > > > > > Any ideas??? > > Best regards :D > > > > > > > -- > Gabriel Duarte > Linux User #471185 > Rio de Janeiro - RJ > <a href="http://kinuxlinux.org/gabriel_duarte" target="_blank">http://kinuxlinux.org/gabriel_duarte</a> > > Phones: > (55) (21) 9463-7760 /*Mobile*/ > (55) (21) 2464-9302 /*Home*/ > (55) (21) 2529-5080 /*Work*/ > > > -----BEGIN GEEK CODE BLOCK----- > Version: 3.12 > GCS d- s: a--- C++ UL+++ P L++++ E- W+ N++ o++ K++ w--- > O- M- V- PS++ PE++ Y PGP- t++ 5-- X+++ R tv++ b++ DI+ D++ > G++ e+ h* r+ y++++ > ------END GEEK CODE BLOCK------ > > > > > -- > Gabriel Duarte > Linux User #471185 > Rio de Janeiro - RJ > <a href="http://kinuxlinux.org/gabriel_duarte" target="_blank">http://kinuxlinux.org/gabriel_duarte</a> > > Phones: > (55) (21) 9463-7760 /*Mobile*/ > (55) (21) 2464-9302 /*Home*/ > (55) (21) 2529-5080 /*Work*/ > > </div></div>------------------------------------------------------------------------------ Come build with us! 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Register now! <a href="http://p.sf.net/sfu/devconference" target="_blank">http://p.sf.net/sfu/devconference</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> </blockquote></div> -- Gabriel Duarte Linux User #471185 Rio de Janeiro - RJ <a href="http://kinuxlinux.org/gabriel_duarte">http://kinuxlinux.org/gabriel_duarte</a> Phones: (55) (21) 9463-7760 /*Mobile*/ (55) (21) 2464-9302 /*Home*/ (55) (21) 2529-5080 /*Work*/ -----BEGIN GEEK CODE BLOCK----- Version: 3.12 GCS d- s: a--- C++ UL+++ P L++++ E- W+ N++ o++ K++ w--- O- M- V- PS++ PE++ Y PGP- t++ 5-- X+++ R tv++ b++ DI+ D++ G++ e+ h* r+ y++++ ------END GEEK CODE BLOCK------