static GstStateChangeReturn gst_qt_moov_recover_change_state (GstElement * element, GstStateChange transition) { GstStateChangeReturn ret; GstQTMoovRecover *qtmr = GST_QT_MOOV_RECOVER_CAST (element); switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: qtmr->task = gst_task_create (gst_qt_moov_recover_run, qtmr); qtmr->task_mutex = g_new (GStaticRecMutex, 1); g_static_rec_mutex_init (qtmr->task_mutex); gst_task_set_lock (qtmr->task, qtmr->task_mutex); break; case GST_STATE_CHANGE_PAUSED_TO_PLAYING: gst_task_start (qtmr->task); break; default: break; } ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); switch (transition) { case GST_STATE_CHANGE_PLAYING_TO_PAUSED: gst_task_stop (qtmr->task); gst_task_join (qtmr->task); break; case GST_STATE_CHANGE_READY_TO_NULL: g_assert (gst_task_get_state (qtmr->task) == GST_TASK_STOPPED); gst_object_unref (qtmr->task); qtmr->task = NULL; g_static_rec_mutex_free (qtmr->task_mutex); break; default: break; } return ret; }
static void debug_dump_pad (GstPad * pad, const gchar * color_name, const gchar * element_name, GstDebugGraphDetails details, GString * str, const gint indent) { GstPadTemplate *pad_templ; GstPadPresence presence; gchar *pad_name; const gchar *style_name; const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)]; pad_name = debug_dump_make_object_name (GST_OBJECT (pad)); /* pad availability */ style_name = "filled,solid"; if ((pad_templ = gst_pad_get_pad_template (pad))) { presence = GST_PAD_TEMPLATE_PRESENCE (pad_templ); gst_object_unref (pad_templ); if (presence == GST_PAD_SOMETIMES) { style_name = "filled,dotted"; } else if (presence == GST_PAD_REQUEST) { style_name = "filled,dashed"; } } if (details & GST_DEBUG_GRAPH_SHOW_STATES) { gchar pad_flags[4]; const gchar *activation_mode = "-><"; const gchar *task_mode = ""; GstTask *task; GST_OBJECT_LOCK (pad); task = GST_PAD_TASK (pad); if (task) { switch (gst_task_get_state (task)) { case GST_TASK_STARTED: task_mode = "[T]"; break; case GST_TASK_PAUSED: task_mode = "[t]"; break; default: /* Invalid task state, ignoring */ break; } } GST_OBJECT_UNLOCK (pad); /* check if pad flags */ pad_flags[0] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKED) ? 'B' : 'b'; pad_flags[1] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_FLUSHING) ? 'F' : 'f'; pad_flags[2] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKING) ? 'B' : 'b'; pad_flags[3] = '\0'; g_string_append_printf (str, "%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\\n[%c][%s]%s\", height=\"0.2\", style=\"%s\"];\n", spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad), activation_mode[pad->mode], pad_flags, task_mode, style_name); } else { g_string_append_printf (str, "%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\", height=\"0.2\", style=\"%s\"];\n", spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad), style_name); } g_free (pad_name); }