static GstElement * gst_switch_request_new_case (GstSwitch * swit, GstPadTemplate * templ, const GstCaps * caps) { GstElement *swcase = NULL; gchar *name; name = g_strdup_printf ("case_%d", GST_BIN_NUMCHILDREN (GST_BIN (swit))); swcase = gst_element_factory_make (CASE_ELEMENT_NAME, name); g_free (name); if (!gst_bin_add (GST_BIN (swit), swcase)) goto error_bin_add_case; INFO ("new %s for %s.%s (%d cases)", GST_ELEMENT_NAME (swcase), GST_ELEMENT_NAME (swit), GST_PAD_TEMPLATE_NAME_TEMPLATE (templ), GST_BIN_NUMCHILDREN (GST_BIN (swit))); return swcase; error_bin_add_case: { GST_ERROR_OBJECT (swit, "Bin add failed for %s.%s", GST_ELEMENT_NAME (swit), GST_PAD_TEMPLATE_NAME_TEMPLATE (templ)); if (swcase) gst_object_unref (GST_OBJECT (swcase)); return NULL; } }
gint main (gint argc, gchar * argv[]) { GstBin *bin; GstClockTime start, end; GstElement *sink, *new_sink; /* default parameters */ gint depth = 4; gint children = 3; gint flavour = FLAVOUR_AUDIO; const gchar *flavour_str = "audio"; gst_init (&argc, &argv); /* check command line options */ if (argc) { gint arg; for (arg = 0; arg < argc; arg++) { if (!strcmp (argv[arg], "-d")) { arg++; if (arg < argc) depth = atoi (argv[arg]); } else if (!strcmp (argv[arg], "-c")) { arg++; if (arg < argc) children = atoi (argv[arg]); } else if (!strcmp (argv[arg], "-f")) { arg++; if (arg < argc) { flavour_str = argv[arg]; switch (*flavour_str) { case 'a': flavour = FLAVOUR_AUDIO; break; case 'v': flavour = FLAVOUR_VIDEO; break; default: break; } } } } } /* build pipeline */ g_print ("building %s pipeline with depth = %d and children = %d\n", flavour_str, depth, children); start = gst_util_get_timestamp (); bin = GST_BIN (gst_pipeline_new ("pipeline")); sink = gst_element_factory_make ("fakesink", NULL); gst_bin_add (bin, sink); if (!create_node (bin, sink, "sink", &new_sink, children, flavour)) { goto Error; } if (!create_nodes (bin, new_sink, depth, children, flavour)) { goto Error; } end = gst_util_get_timestamp (); /* num-threads = num-sources = pow (children, depth) */ g_print ("%" GST_TIME_FORMAT " built pipeline with %d elements\n", GST_TIME_ARGS (end - start), GST_BIN_NUMCHILDREN (bin)); /* meassure */ g_print ("starting pipeline\n"); gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY); GST_DEBUG_BIN_TO_DOT_FILE (bin, GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE, "capsnego"); start = gst_util_get_timestamp (); gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED); event_loop (GST_ELEMENT (bin), start); end = gst_util_get_timestamp (); g_print ("%" GST_TIME_FORMAT " reached paused\n", GST_TIME_ARGS (end - start)); /* clean up */ Error: gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL); gst_object_unref (bin); return 0; }
/** * bt_edit_application_load_song: * @self: the application instance to load a new song in * @file_name: the song filename to load * @err: where to store the error message in case of an error, or %NULL * * Loads a new song. If there is a previous song instance it will be freed. * * Returns: true for success */ gboolean bt_edit_application_load_song (const BtEditApplication * self, const char *file_name, GError ** err) { gboolean res = FALSE; BtSongIO *loader; BtSong *song; g_return_val_if_fail (BT_IS_EDIT_APPLICATION (self), FALSE); GST_INFO ("song name = %s", file_name); if ((loader = bt_song_io_from_file (file_name, err))) { BtSetup *setup; GList *missing_machines, *missing_waves; bt_edit_application_ui_lock (self); g_signal_connect (loader, "notify::status", G_CALLBACK (on_songio_status_changed), (gpointer) self); // create new song and release the previous one song = bt_song_new (BT_APPLICATION (self)); g_object_set ((gpointer) self, "song", NULL, NULL); #ifdef USE_DEBUG // do sanity check that bin is empty { GstBin *bin; g_object_get ((gpointer) self, "bin", &bin, NULL); if (GST_BIN_NUMCHILDREN (bin)) { GList *node = GST_BIN_CHILDREN (bin); GST_WARNING ("bin.num_children=%d has left-overs", GST_BIN_NUMCHILDREN (bin)); while (node) { GST_WARNING_OBJECT (node->data, "removing object %" G_OBJECT_REF_COUNT_FMT, G_OBJECT_LOG_REF_COUNT (node->data)); gst_bin_remove (bin, GST_ELEMENT (node->data)); node = GST_BIN_CHILDREN (bin); } } gst_object_unref (bin); } #endif // this is synchronous execution // https://github.com/Buzztrax/buzztrax/issues/52 // if we bump glib from 2.32 -> 2.36 we can use GTask and // g_task_run_in_thread() if (bt_song_io_load (loader, song, err)) { BtMachine *machine; // get sink-machine g_object_get (song, "setup", &setup, NULL); if ((machine = bt_setup_get_machine_by_type (setup, BT_TYPE_SINK_MACHINE))) { if (bt_machine_enable_input_post_level (machine)) { // DEBUG //bt_song_write_to_highlevel_dot_file(song); // DEBUG // set new song g_object_set ((gpointer) self, "song", song, NULL); res = TRUE; GST_INFO ("new song activated"); } else { GST_WARNING ("Can't add input level/gain element in sink machine"); } GST_DEBUG ("unreffing stuff after loading"); g_object_unref (machine); } else { GST_WARNING ("Can't look up sink machine"); } g_object_unref (setup); } else { GST_WARNING ("could not load song \"%s\"", file_name); } self->priv->unsaved = FALSE; g_object_notify (G_OBJECT (self), "unsaved"); bt_edit_application_ui_unlock (self); // get missing element info bt_child_proxy_get (song, "setup::missing-machines", &missing_machines, "wavetable::missing-waves", &missing_waves, NULL); // tell about missing machines and/or missing waves if (missing_machines || missing_waves) { GtkWidget *dialog; if ((dialog = GTK_WIDGET (bt_missing_song_elements_dialog_new (missing_machines, missing_waves)))) { bt_edit_application_attach_child_window (self, GTK_WINDOW (dialog)); gtk_widget_show_all (dialog); gtk_dialog_run (GTK_DIALOG (dialog)); gtk_widget_destroy (dialog); } } g_object_unref (song); g_object_unref (loader); } else { GST_WARNING ("Unknown extension \"%s\"", file_name); } return res; }
void test_launch_lines2() { GstElement *cur; gint i; gboolean b; gchar *s = NULL; xmlfile = "test_launch_lines2"; std_log(LOG_FILENAME_LINE, "Test Started test_launch_lines2"); /** * checks: * - specifying an element works :) * - if only 1 element is requested, no bin is returned, but the element */ cur = setup_pipeline (PIPELINE1); fail_unless (G_OBJECT_TYPE (cur) == g_type_from_name ("GstFakeSrc"), "parse_launch did not produce a fakesrc"); gst_object_unref (cur); /** * checks: * - properties works * - string, int, boolean and enums can be properly set * - first test of escaping strings */ cur = setup_pipeline (PIPELINE2); g_object_get (G_OBJECT (cur), "name", &s, "num-buffers", &i, "silent", &b, NULL); fail_if (s == NULL, "name was NULL"); fail_unless (strcmp (s, "donald") == 0, "fakesrc name was not 'donald'"); fail_unless (i == 27, "num-buffers was not 27"); fail_unless (b == TRUE, "silent was not TRUE"); g_free (s); g_object_get (G_OBJECT (cur), "sizetype", &i, NULL); fail_unless (i == 3, "sizetype != 3"); g_object_get (G_OBJECT (cur), "data", &i, NULL); fail_unless (i == 2, "data != 2"); gst_object_unref (cur); /** * checks: * - specifying multiple elements without links works * - if multiple toplevel elements exist, a pipeline is returned */ cur = setup_pipeline (PIPELINE3); fail_unless (GST_BIN_NUMCHILDREN (cur) == 3, "Pipeline does not contain 3 children"); gst_object_unref (cur); /** * checks: * - test default link "!" * - test if specifying pads on links works */ cur = setup_pipeline (PIPELINE4); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - test if appending the links works, too * - check if the pipeline constructed works the same as the one before (how?) */ cur = setup_pipeline (PIPELINE5); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - test various types of bins * - test if linking across bins works * - test if escaping strings works */ cur = setup_pipeline (PIPELINE6); fail_unless (GST_IS_PIPELINE (cur), "Parse did not produce a pipeline"); g_object_get (G_OBJECT (cur), "name", &s, NULL); fail_if (s == NULL, "name was NULL"); fail_unless (strcmp (s, "john") == 0, "Name was not 'john'"); g_free (s); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - test request pads */ cur = setup_pipeline (PIPELINE7); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - multiple pads on 1 link */ cur = setup_pipeline (PIPELINE8); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - failed in grammar.y cvs version 1.17 */ cur = setup_pipeline (PIPELINE9); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - failed in grammar.y cvs version 1.17 */ cur = setup_pipeline (PIPELINE10); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - failed in grammar.y cvs version 1.18 */ cur = setup_pipeline (PIPELINE11); check_pipeline_runs (cur); gst_object_unref (cur); /** * checks: * - URI detection works */ cur = setup_pipeline (PIPELINE12); gst_object_unref (cur); /** * checks: * - URI sink detection works */ cur = setup_pipeline (PIPELINE13); gst_object_unref (cur); /* Checks handling of a assignment followed by error inside a bin. * This should warn, but ignore the error and carry on */ cur = setup_pipeline ("( filesrc blocksize=4 location=/dev/null @ )"); gst_object_unref (cur); std_log(LOG_FILENAME_LINE, "Test Successful"); create_xml(0); }
/* * Method: size * * Returns: the number of elements in the container. */ static VALUE rb_gst_bin_size(VALUE self) { return INT2NUM(GST_BIN_NUMCHILDREN(SELF(self))); }