示例#1
0
/**
 * gst_object_default_deep_notify:
 * @object: the #GObject that signalled the notify.
 * @orig: a #GstObject that initiated the notify.
 * @pspec: a #GParamSpec of the property.
 * @excluded_props: (array zero-terminated=1) (element-type gchar*) (allow-none):
 *     a set of user-specified properties to exclude or NULL to show
 *     all changes.
 *
 * A default deep_notify signal callback for an object. The user data
 * should contain a pointer to an array of strings that should be excluded
 * from the notify. The default handler will print the new value of the property
 * using g_print.
 *
 * MT safe. This function grabs and releases @object's LOCK for getting its
 *          path string.
 */
void
gst_object_default_deep_notify (GObject * object, GstObject * orig,
    GParamSpec * pspec, gchar ** excluded_props)
{
  GValue value = { 0, };        /* the important thing is that value.type = 0 */
  gchar *str = NULL;
  gchar *name = NULL;

  if (pspec->flags & G_PARAM_READABLE) {
    /* let's not print these out for excluded properties... */
    while (excluded_props != NULL && *excluded_props != NULL) {
      if (strcmp (pspec->name, *excluded_props) == 0)
        return;
      excluded_props++;
    }
    g_value_init (&value, pspec->value_type);
    g_object_get_property (G_OBJECT (orig), pspec->name, &value);

    if (G_VALUE_HOLDS_STRING (&value))
      str = g_value_dup_string (&value);
    else
      str = gst_value_serialize (&value);
    name = gst_object_get_path_string (orig);
    g_print ("%s: %s = %s\n", name, pspec->name, str);
    g_free (name);
    g_free (str);
    g_value_unset (&value);
  } else {
    name = gst_object_get_path_string (orig);
    g_warning ("Parameter %s not readable in %s.", pspec->name, name);
    g_free (name);
  }
}
static GstBusSyncReply
sync_bus_handler (GstBus * bus, GstMessage * message, GstElement * bin)
{
    switch (GST_MESSAGE_TYPE (message)) {
    case GST_MESSAGE_STREAM_STATUS:
    {
        GstStreamStatusType type;
        GstElement *owner;
        const GValue *val;
        gchar *path;
        GstTask *task = NULL;

        g_message ("received STREAM_STATUS");
        gst_message_parse_stream_status (message, &type, &owner);

        val = gst_message_get_stream_status_object (message);

        g_message ("type:   %d", type);
        path = gst_object_get_path_string (GST_MESSAGE_SRC (message));
        g_message ("source: %s", path);
        g_free (path);
        path = gst_object_get_path_string (GST_OBJECT (owner));
        g_message ("owner:  %s", path);
        g_free (path);
        g_message ("object: type %s, value %p", G_VALUE_TYPE_NAME (val),
                   g_value_get_object (val));

        /* see if we know how to deal with this object */
        if (G_VALUE_TYPE (val) == GST_TYPE_TASK) {
            task = g_value_get_object (val);
        }

        switch (type) {
        case GST_STREAM_STATUS_TYPE_CREATE:
            g_message ("created task %p", task);
            break;
        case GST_STREAM_STATUS_TYPE_ENTER:
            /* g_message ("raising task priority"); */
            /* setpriority (PRIO_PROCESS, 0, -10); */
            break;
        case GST_STREAM_STATUS_TYPE_LEAVE:
            break;
        default:
            break;
        }
        break;
    }
    default:
        break;
    }
    /* pass all messages on the async queue */
    return GST_BUS_PASS;
}
示例#3
0
static gboolean
gst_index_path_resolver (GstIndex * index, GstObject * writer,
    gchar ** writer_string, gpointer data)
{
  *writer_string = gst_object_get_path_string (writer);

  return TRUE;
}
示例#4
0
EXPORT_C
#endif

void
gst_object_default_deep_notify (GObject * object, GstObject * orig,
    GParamSpec * pspec, gchar ** excluded_props)
{
  GValue value = { 0, };        /* the important thing is that value.type = 0 */
  gchar *str = NULL;
  gchar *name = NULL;

  if (pspec->flags & G_PARAM_READABLE) {
    /* let's not print these out for excluded properties... */
    while (excluded_props != NULL && *excluded_props != NULL) {
      if (strcmp (pspec->name, *excluded_props) == 0)
        return;
      excluded_props++;
    }
    g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
    g_object_get_property (G_OBJECT (orig), pspec->name, &value);

    /* FIXME: handle flags */
    if (G_IS_PARAM_SPEC_ENUM (pspec)) {
      GEnumValue *enum_value;
      GEnumClass *klass = G_ENUM_CLASS (g_type_class_ref (pspec->value_type));

      enum_value = g_enum_get_value (klass, g_value_get_enum (&value));

      str = g_strdup_printf ("%s (%d)", enum_value->value_nick,
          enum_value->value);
      g_type_class_unref (klass);
    } else {
      str = g_strdup_value_contents (&value);
    }
    name = gst_object_get_path_string (orig);
    g_print ("%s: %s = %s\n", name, pspec->name, str);
    g_free (name);
    g_free (str);
    g_value_unset (&value);
  } else {
    name = gst_object_get_path_string (orig);
    g_warning ("Parameter %s not readable in %s.", pspec->name, name);
    g_free (name);
  }
}
/**
 * gst_flutsindex_get_writer_id:
 * @index: the index to get a unique write id for
 * @writer: the GstObject to allocate an id for
 * @id: a pointer to a gint to hold the id
 *
 * Before entries can be added to the index, a writer
 * should obtain a unique id. The methods to add new entries
 * to the index require this id as an argument.
 *
 * The application can implement a custom function to map the writer object
 * to a string. That string will be used to register or look up an id
 * in the index.
 *
 * <note>
 * The caller must not hold @writer's #GST_OBJECT_LOCK, as the default
 * resolver may call functions that take the object lock as well, and
 * the lock is not recursive.
 * </note>
 *
 * Returns: TRUE if the writer would be mapped to an id.
 */
static gboolean
gst_flutsindex_get_writer_id (GstFluTSIndex * index, GstObject * writer,
    gint * id)
{
  gchar *writer_string = NULL;
  GstFluTSIndexEntry *entry;
  GstFluTSIndexClass *iclass;
  gboolean success = FALSE;

  g_return_val_if_fail (GST_IS_FLUTSINDEX (index), FALSE);
  g_return_val_if_fail (GST_IS_OBJECT (writer), FALSE);
  g_return_val_if_fail (id, FALSE);

  *id = -1;

  /* first try to get a previously cached id */
  entry = g_hash_table_lookup (index->writers, writer);
  if (entry == NULL) {

    iclass = GST_FLUTSINDEX_GET_CLASS (index);

    writer_string = gst_object_get_path_string (writer);

    /* if the index has a resolver, make it map this string to an id */
    if (iclass->get_writer_id) {
      success = iclass->get_writer_id (index, id, writer_string);
    }
    /* if the index could not resolve, we allocate one ourselves */
    if (!success) {
      *id = ++index->last_id;
    }

    entry = gst_flutsindex_add_id (index, *id, writer_string);
    if (!entry) {
      /* index is probably not writable, make an entry anyway
       * to keep it in our cache */
      entry = g_slice_new (GstFluTSIndexEntry);
      entry->type = GST_FLUTSINDEX_ENTRY_ID;
      entry->id = *id;
      entry->data.id.description = writer_string;
    }
    g_hash_table_insert (index->writers, writer, entry);
  } else {
    *id = entry->id;
  }

  return TRUE;
}
static gboolean
pipeline_op (GObject *player,
	     GstElement *fixture,
	     GstElement *element,
	     gboolean use_pad_block,
	     GstPadBlockCallback callback)
{
	RBGstPipelineOp *op;
	GstPad *fixture_pad;
	GstPad *block_pad;

	op = new_pipeline_op (player, fixture, element);

	/* seems like we should be able to just block the src pad connected
	 * to the fixture's sink pad..
	 */
	fixture_pad = gst_element_get_static_pad (fixture, "sink");
	block_pad = gst_pad_get_peer (fixture_pad);
	gst_object_unref (fixture_pad);

	if (use_pad_block) {
		char *whatpad;
		whatpad = gst_object_get_path_string (GST_OBJECT (block_pad));
		rb_debug ("blocking pad %s to perform an operation", whatpad);
		g_free (whatpad);

		gst_pad_set_blocked_async (block_pad,
					   TRUE,
					   callback,
					   op);
	} else {
		rb_debug ("not using pad blocking, calling op directly");
		(*callback) (block_pad, FALSE, op);
	}

	gst_object_unref (block_pad);
	return TRUE;
}
示例#7
0
static void
_append_query_caps_failure_details (GstValidatePadMonitor * monitor,
    GString * str)
{
  gint i, j;
  gboolean found = FALSE, empty_filter;
  GstCaps *filter = gst_caps_copy (monitor->last_query_filter);
  GstCaps *possible_caps = gst_pad_query_caps (monitor->pad, NULL);
  const gchar *filter_name, *possible_name;
  GstStructure *filter_struct, *possible_struct;

  g_string_append_printf (str,
      "\n Caps negotiation failed starting from pad '%s'"
      " as the QUERY_CAPS returned EMPTY caps",
      gst_validate_reporter_get_name (GST_VALIDATE_REPORTER (monitor)));

  empty_filter = gst_caps_is_empty (filter);
  if (empty_filter) {
    GstPad *peer = _get_peer_pad (monitor->pad);
    gchar *prev_path = NULL;

    if (peer) {
      GstObject *prev = gst_pad_get_parent (peer);
      if (prev) {
        prev_path = gst_object_get_path_string (prev);
        gst_object_unref (prev);
      }
    }

    g_string_append_printf (str,
        "\n - The QUERY filter caps is EMPTY, this is invalid and is a bug in "
        " a previous element (probably in: '%s')\n",
        prev_path ? prev_path : "no suspect");
    g_free (prev_path);
  }

  for (i = 0; i < gst_caps_get_size (possible_caps); i++) {
    possible_struct = gst_caps_get_structure (possible_caps, i);
    possible_name = gst_structure_get_name (possible_struct);

    for (j = 0; j < gst_caps_get_size (filter); j++) {
      StructureIncompatibleFieldsInfo info = {
        .caps_struct_num = i,
        .filter_caps_struct_num = j,
        .str = str,
        .found = found
      };

      info.filter = filter_struct = gst_caps_get_structure (filter, j);
      filter_name = gst_structure_get_name (filter_struct);

      if (g_strcmp0 (possible_name, filter_name)) {
        _incompatible_fields_info_set_found (&info);
        g_string_append_printf (str,
            "\n    -> Downstream caps struct %d name '%s' differs from "
            "filter caps struct %d name '%s'",
            i, possible_name, j, filter_name);

        continue;
      }

      gst_structure_foreach (possible_struct,
          (GstStructureForeachFunc) _find_structure_incompatible_fields, &info);

      if (info.found)
        found = TRUE;
    }
  }

  if (!found && !empty_filter) {
    gchar *filter_caps_str = gst_caps_to_string (filter);
    gchar *possible_caps_str = gst_caps_to_string (possible_caps);

    g_string_append_printf (str,
        ". The exact reason could not be determined but"
        " here is the gathered information:\n"
        " - %s last query caps filter: %s\n"
        " - %s possible caps (as returned by a query on it without filter): %s\n",
        gst_validate_reporter_get_name (GST_VALIDATE_REPORTER (monitor)),
        filter_caps_str,
        gst_validate_reporter_get_name (GST_VALIDATE_REPORTER (monitor)),
        possible_caps_str);
  }

  gst_caps_unref (possible_caps);
  gst_caps_unref (filter);

}
static gboolean
play_bus_msg (GstBus * bus, GstMessage * msg, gpointer user_data)
{
  GstPlay *play = user_data;

  switch (GST_MESSAGE_TYPE (msg)) {
    case GST_MESSAGE_ASYNC_DONE:

      /* dump graph on preroll */
      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (play->playbin),
          GST_DEBUG_GRAPH_SHOW_ALL, "gst-play.async-done");

      g_print ("Prerolled.\r");
      if (play->missing != NULL && play_install_missing_plugins (play)) {
        g_print ("New plugins installed, trying again...\n");
        --play->cur_idx;
        play_next (play);
      }
      break;
    case GST_MESSAGE_BUFFERING:{
      gint percent;

      if (!play->buffering)
        g_print ("\n");

      gst_message_parse_buffering (msg, &percent);
      g_print ("%s %d%%  \r", _("Buffering..."), percent);

      if (percent == 100) {
        /* a 100% message means buffering is done */
        if (play->buffering) {
          play->buffering = FALSE;
          /* no state management needed for live pipelines */
          if (!play->is_live)
            gst_element_set_state (play->playbin, play->desired_state);
        }
      } else {
        /* buffering... */
        if (!play->buffering) {
          if (!play->is_live)
            gst_element_set_state (play->playbin, GST_STATE_PAUSED);
          play->buffering = TRUE;
        }
      }
      break;
    }
    case GST_MESSAGE_CLOCK_LOST:{
      g_print (_("Clock lost, selecting a new one\n"));
      gst_element_set_state (play->playbin, GST_STATE_PAUSED);
      gst_element_set_state (play->playbin, GST_STATE_PLAYING);
      break;
    }
    case GST_MESSAGE_LATENCY:
      g_print ("Redistribute latency...\n");
      gst_bin_recalculate_latency (GST_BIN (play->playbin));
      break;
    case GST_MESSAGE_REQUEST_STATE:{
      GstState state;
      gchar *name;

      name = gst_object_get_path_string (GST_MESSAGE_SRC (msg));

      gst_message_parse_request_state (msg, &state);

      g_print ("Setting state to %s as requested by %s...\n",
          gst_element_state_get_name (state), name);

      gst_element_set_state (play->playbin, state);
      g_free (name);
      break;
    }
    case GST_MESSAGE_EOS:
      /* print final position at end */
      play_timeout (play);
      g_print ("\n");
      /* and switch to next item in list */
      if (!play_next (play)) {
        g_print ("%s\n", _("Reached end of play list."));
        g_main_loop_quit (play->loop);
      }
      break;
    case GST_MESSAGE_WARNING:{
      GError *err;
      gchar *dbg = NULL;

      /* dump graph on warning */
      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (play->playbin),
          GST_DEBUG_GRAPH_SHOW_ALL, "gst-play.warning");

      gst_message_parse_warning (msg, &err, &dbg);
      g_printerr ("WARNING %s\n", err->message);
      if (dbg != NULL)
        g_printerr ("WARNING debug information: %s\n", dbg);
      g_clear_error (&err);
      g_free (dbg);
      break;
    }
    case GST_MESSAGE_ERROR:{
      GError *err;
      gchar *dbg;

      /* dump graph on error */
      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (play->playbin),
          GST_DEBUG_GRAPH_SHOW_ALL, "gst-play.error");

      gst_message_parse_error (msg, &err, &dbg);
      g_printerr ("ERROR %s for %s\n", err->message, play->uris[play->cur_idx]);
      if (dbg != NULL)
        g_printerr ("ERROR debug information: %s\n", dbg);
      g_clear_error (&err);
      g_free (dbg);

      /* flush any other error messages from the bus and clean up */
      gst_element_set_state (play->playbin, GST_STATE_NULL);

      if (play->missing != NULL && play_install_missing_plugins (play)) {
        g_print ("New plugins installed, trying again...\n");
        --play->cur_idx;
        play_next (play);
        break;
      }
      /* try next item in list then */
      if (!play_next (play)) {
        g_print ("%s\n", _("Reached end of play list."));
        g_main_loop_quit (play->loop);
      }
      break;
    }
    case GST_MESSAGE_ELEMENT:
    {
      GstNavigationMessageType mtype = gst_navigation_message_get_type (msg);
      if (mtype == GST_NAVIGATION_MESSAGE_EVENT) {
        GstEvent *ev = NULL;

        if (gst_navigation_message_parse_event (msg, &ev)) {
          GstNavigationEventType e_type = gst_navigation_event_get_type (ev);
          switch (e_type) {
            case GST_NAVIGATION_EVENT_KEY_PRESS:
            {
              const gchar *key;

              if (gst_navigation_event_parse_key_event (ev, &key)) {
                GST_INFO ("Key press: %s", key);

                if (strcmp (key, "Left") == 0)
                  key = GST_PLAY_KB_ARROW_LEFT;
                else if (strcmp (key, "Right") == 0)
                  key = GST_PLAY_KB_ARROW_RIGHT;
                else if (strcmp (key, "Up") == 0)
                  key = GST_PLAY_KB_ARROW_UP;
                else if (strcmp (key, "Down") == 0)
                  key = GST_PLAY_KB_ARROW_DOWN;
                else if (strcmp (key, "space") == 0)
                  key = " ";
                else if (strlen (key) > 1)
                  break;

                keyboard_cb (key, user_data);
              }
              break;
            }
            case GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS:
            {
              gint button;
              if (gst_navigation_event_parse_mouse_button_event (ev, &button,
                      NULL, NULL)) {
                if (button == 4) {
                  /* wheel up */
                  relative_seek (play, +0.08);
                } else if (button == 5) {
                  /* wheel down */
                  relative_seek (play, -0.01);
                }
              }
              break;
            }
            default:
              break;
          }
        }
        if (ev)
          gst_event_unref (ev);
      }
      break;
    }
    default:
      if (gst_is_missing_plugin_message (msg)) {
        gchar *desc;

        desc = gst_missing_plugin_message_get_description (msg);
        g_print ("Missing plugin: %s\n", desc);
        g_free (desc);
        play->missing = g_list_append (play->missing, gst_message_ref (msg));
      }
      break;
  }

  return TRUE;
}
示例#9
0
static gboolean
play_bus_msg (GstBus * bus, GstMessage * msg, gpointer user_data)
{
  GstPlay *play = user_data;

  switch (GST_MESSAGE_TYPE (msg)) {
    case GST_MESSAGE_ASYNC_DONE:

      /* dump graph on preroll */
      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (play->playbin),
          GST_DEBUG_GRAPH_SHOW_ALL, "gst-play.async-done");

      g_print ("Prerolled.\r");
      if (play->missing != NULL && play_install_missing_plugins (play)) {
        g_print ("New plugins installed, trying again...\n");
        --play->cur_idx;
        play_next (play);
      }
      break;
    case GST_MESSAGE_BUFFERING:{
      gint percent;

      if (!play->buffering)
        g_print ("\n");

      gst_message_parse_buffering (msg, &percent);
      g_print ("%s %d%%  \r", _("Buffering..."), percent);

      if (percent == 100) {
        /* a 100% message means buffering is done */
        if (play->buffering) {
          play->buffering = FALSE;
          /* no state management needed for live pipelines */
          if (!play->is_live)
            gst_element_set_state (play->playbin, play->desired_state);
        }
      } else {
        /* buffering... */
        if (!play->buffering) {
          if (!play->is_live)
            gst_element_set_state (play->playbin, GST_STATE_PAUSED);
          play->buffering = TRUE;
        }
      }
      break;
    }
    case GST_MESSAGE_CLOCK_LOST:{
      g_print (_("Clock lost, selecting a new one\n"));
      gst_element_set_state (play->playbin, GST_STATE_PAUSED);
      gst_element_set_state (play->playbin, GST_STATE_PLAYING);
      break;
    }
    case GST_MESSAGE_LATENCY:
      g_print ("Redistribute latency...\n");
      gst_bin_recalculate_latency (GST_BIN (play->playbin));
      break;
    case GST_MESSAGE_REQUEST_STATE:{
      GstState state;
      gchar *name;

      name = gst_object_get_path_string (GST_MESSAGE_SRC (msg));

      gst_message_parse_request_state (msg, &state);

      g_print ("Setting state to %s as requested by %s...\n",
          gst_element_state_get_name (state), name);

      gst_element_set_state (play->playbin, state);
      g_free (name);
      break;
    }
    case GST_MESSAGE_EOS:
      /* print final position at end */
      play_timeout (play);
      g_print ("\n");
      /* and switch to next item in list */
      if (!play_next (play)) {
        g_print ("Reached end of play list.\n");
        g_main_loop_quit (play->loop);
      }
      break;
    case GST_MESSAGE_WARNING:{
      GError *err;
      gchar *dbg = NULL;

      /* dump graph on warning */
      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (play->playbin),
          GST_DEBUG_GRAPH_SHOW_ALL, "gst-play.warning");

      gst_message_parse_warning (msg, &err, &dbg);
      g_printerr ("WARNING %s\n", err->message);
      if (dbg != NULL)
        g_printerr ("WARNING debug information: %s\n", dbg);
      g_error_free (err);
      g_free (dbg);
      break;
    }
    case GST_MESSAGE_ERROR:{
      GError *err;
      gchar *dbg;

      /* dump graph on error */
      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (play->playbin),
          GST_DEBUG_GRAPH_SHOW_ALL, "gst-play.error");

      gst_message_parse_error (msg, &err, &dbg);
      g_printerr ("ERROR %s for %s\n", err->message, play->uris[play->cur_idx]);
      if (dbg != NULL)
        g_printerr ("ERROR debug information: %s\n", dbg);
      g_error_free (err);
      g_free (dbg);

      /* flush any other error messages from the bus and clean up */
      gst_element_set_state (play->playbin, GST_STATE_NULL);

      if (play->missing != NULL && play_install_missing_plugins (play)) {
        g_print ("New plugins installed, trying again...\n");
        --play->cur_idx;
        play_next (play);
        break;
      }
      /* try next item in list then */
      if (!play_next (play)) {
        g_print ("Reached end of play list.\n");
        g_main_loop_quit (play->loop);
      }
      break;
    }
    default:
      if (gst_is_missing_plugin_message (msg)) {
        gchar *desc;

        desc = gst_missing_plugin_message_get_description (msg);
        g_print ("Missing plugin: %s\n", desc);
        g_free (desc);
        play->missing = g_list_append (play->missing, gst_message_ref (msg));
      }
      break;
  }

  return TRUE;
}
示例#10
0
/* returns TRUE if there was an error or we caught a keyboard interrupt. */
static gboolean
event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
{
  GstBus *bus;
  GstMessage *message = NULL;
  gboolean res = FALSE;
  gboolean buffering = FALSE;

  bus = gst_element_get_bus (GST_ELEMENT (pipeline));

#ifndef DISABLE_FAULT_HANDLER
  g_timeout_add (50, (GSourceFunc) check_intr, pipeline);
#endif

  while (TRUE) {
    message = gst_bus_poll (bus, GST_MESSAGE_ANY, blocking ? -1 : 0);

    /* if the poll timed out, only when !blocking */
    if (message == NULL)
      goto exit;

    switch (GST_MESSAGE_TYPE (message)) {
      case GST_MESSAGE_NEW_CLOCK:
      {
        GstClock *clock;

        gst_message_parse_new_clock (message, &clock);

        g_print ("New clock: %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
        break;
      }
      case GST_MESSAGE_EOS:
        g_print ("Got EOS from element \"%s\".\n",
            GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))));
        goto exit;
      case GST_MESSAGE_TAG:
        if (tags) {
          GstTagList *tags;

          gst_message_parse_tag (message, &tags);
          g_print ("FOUND TAG      : found by element \"%s\".\n",
              GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))));
          gst_tag_list_foreach (tags, print_tag, NULL);
          gst_tag_list_free (tags);
        }
        break;
      case GST_MESSAGE_INFO:{
        GError *gerror;
        gchar *debug;
        gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));

        gst_message_parse_info (message, &gerror, &debug);
        if (debug) {
          g_print ("INFO:\n%s\n", debug);
        }
        g_error_free (gerror);
        g_free (debug);
        g_free (name);
        break;
      }
      case GST_MESSAGE_WARNING:{
        GError *gerror;
        gchar *debug;
        gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));

        /* dump graph on warning */
        GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
            GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.warning");

        gst_message_parse_warning (message, &gerror, &debug);
        g_print ("WARNING: from element %s: %s\n", name, gerror->message);
        if (debug) {
          g_print ("Additional debug info:\n%s\n", debug);
        }
        g_error_free (gerror);
        g_free (debug);
        g_free (name);
        break;
      }
      case GST_MESSAGE_ERROR:{
        GError *gerror;
        gchar *debug;

        /* dump graph on error */
        GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
            GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.error");

        gst_message_parse_error (message, &gerror, &debug);
        gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
        g_error_free (gerror);
        g_free (debug);
        /* we have an error */
        res = TRUE;
        goto exit;
      }
      case GST_MESSAGE_STATE_CHANGED:{
        GstState old, newX, pending;

        gst_message_parse_state_changed (message, &old, &newX, &pending);

        /* we only care about pipeline state change messages */
        if (GST_MESSAGE_SRC (message) != GST_OBJECT_CAST (pipeline))
          break;

        /* dump graph for pipeline state changes */
        {
          gchar *dump_name = g_strdup_printf ("gst-launch.%s_%s",
              gst_element_state_get_name (old),
              gst_element_state_get_name (newX));
          GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
              GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
          g_free (dump_name);
        }

        /* ignore when we are buffering since then we mess with the states
         * ourselves. */
        if (buffering) {
          fprintf (stderr,
              "Prerolled, waiting for buffering to finish...\n");
          break;
        }

        /* if we reached the final target state, exit */
        if (target_state == GST_STATE_PAUSED && newX == target_state)
          goto exit;

        /* else not an interesting message */
        break;
      }
      case GST_MESSAGE_BUFFERING:{
        gint percent;

        gst_message_parse_buffering (message, &percent);
        fprintf (stderr, "%s %d%%  \r", "buffering...", percent);

        /* no state management needed for live pipelines */
        if (is_live)
          break;

        if (percent == 100) {
          /* a 100% message means buffering is done */
          buffering = FALSE;
          /* if the desired state is playing, go back */
          if (target_state == GST_STATE_PLAYING) {
            fprintf (stderr,
                "Done buffering, setting pipeline to PLAYING ...\n");
            gst_element_set_state (pipeline, GST_STATE_PLAYING);
          } else
            goto exit;
        } else {
          /* buffering busy */
          if (buffering == FALSE && target_state == GST_STATE_PLAYING) {
            /* we were not buffering but PLAYING, PAUSE  the pipeline. */
            fprintf (stderr, "Buffering, setting pipeline to PAUSED ...\n");
            gst_element_set_state (pipeline, GST_STATE_PAUSED);
          }
          buffering = TRUE;
        }
        break;
      }
      case GST_MESSAGE_LATENCY:
      {
        fprintf (stderr, "Redistribute latency...\n");
        gst_bin_recalculate_latency (GST_BIN (pipeline));
        break;
      }
      case GST_MESSAGE_APPLICATION:{
        const GstStructure *s;

        s = gst_message_get_structure (message);

        if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
          /* this application message is posted when we caught an interrupt and
           * we need to stop the pipeline. */
          fprintf (stderr, "Interrupt: Stopping pipeline ...\n");
          /* return TRUE when we caught an interrupt */
          res = TRUE;
          goto exit;
        }
      }
      default:
        /* just be quiet by default */
        break;
    }
    if (message)
      gst_message_unref (message);
  }
  g_assert_not_reached ();

exit:
  {
    if (message)
      gst_message_unref (message);
    gst_object_unref (bus);
    return res;
  }
}
示例#11
0
bool ofGstUtils::gstHandleMessage(GstBus * bus, GstMessage * msg){
	if(appsink && appsink->on_message(msg)) return true;

		/*ofLogVerbose("ofGstUtils") << "gstHandleMessage(): got " << GST_MESSAGE_TYPE_NAME(msg)
			<< " message from " << GST_MESSAGE_SRC_NAME(msg);*/

	switch (GST_MESSAGE_TYPE (msg)) {

		case GST_MESSAGE_BUFFERING:
			gint pctBuffered;
			gst_message_parse_buffering(msg,&pctBuffered);
			ofLogVerbose("ofGstUtils") << "gstHandleMessage(): buffering " << pctBuffered;
			if(pctBuffered<100){
				gst_element_set_state (gstPipeline, GST_STATE_PAUSED);
			}else if(!bPaused){
				gst_element_set_state (gstPipeline, GST_STATE_PLAYING);
			}
		break;

#if GST_VERSION_MAJOR==0
		case GST_MESSAGE_DURATION:{
			GstFormat format=GST_FORMAT_TIME;
			gst_element_query_duration(gstPipeline,&format,&durationNanos);
		}break;
#else
		case GST_MESSAGE_DURATION_CHANGED:
			gst_element_query_duration(gstPipeline,GST_FORMAT_TIME,&durationNanos);
			break;

#endif

		case GST_MESSAGE_STATE_CHANGED:{
			GstState oldstate, newstate, pendstate;
			gst_message_parse_state_changed(msg, &oldstate, &newstate, &pendstate);
			if(isStream && newstate==GST_STATE_PAUSED && !bPlaying ){
				bLoaded = true;
				bPlaying = true;
				if(!bPaused){
					//ofLogVerbose("ofGstUtils") << "gstHandleMessage(): setting stream pipeline to play";
					play();
				}
			}

			/*ofLogVerbose("ofGstUtils") << "gstHandleMessage(): " << GST_MESSAGE_SRC_NAME(msg) << " state changed from "
					<< getName(oldstate) << " to " << getName(newstate) << " (" + getName(pendstate) << ")";*/
		}break;

		case GST_MESSAGE_ASYNC_DONE:
			ofLogVerbose("ofGstUtils") << "gstHandleMessage(): async done";
		break;

		case GST_MESSAGE_ERROR: {
			GError *err;
			gchar *debug;
			gst_message_parse_error(msg, &err, &debug);
			gchar * name = gst_element_get_name(GST_MESSAGE_SRC (msg));

			ofLogError("ofGstUtils") << "gstHandleMessage(): embedded video playback halted for plugin, module "
				<< name << "  reported: " << err->message;

			g_free(name);
			g_error_free(err);
			g_free(debug);

			gst_element_set_state(GST_ELEMENT(gstPipeline), GST_STATE_NULL);

		}break;

		case GST_MESSAGE_EOS:{
			ofLogVerbose("ofGstUtils") << "gstHandleMessage(): end of the stream";
			bool isClosing = closing;
			eos_cb();

			if(isClosing){
				busWatchID = 0;
				return false;
			}

			switch(loopMode){

				case OF_LOOP_NORMAL:{
					GstFormat format = GST_FORMAT_TIME;
					GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT);
					if(speed>0){
						if(!gst_element_seek(GST_ELEMENT(gstPipeline),
											speed,
											format,
											flags,
											GST_SEEK_TYPE_SET,
											0,
											GST_SEEK_TYPE_SET,
											-1)) {
							ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
						}
					}else if(speed<0){
						if(!gst_element_seek(GST_ELEMENT(gstPipeline),speed, 	format,
								flags,
								GST_SEEK_TYPE_SET,
								0,
								GST_SEEK_TYPE_SET,
								durationNanos-1000000)) {
							ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
						}
					}
				}break;

				case OF_LOOP_PALINDROME:{
					GstFormat format = GST_FORMAT_TIME;
					GstSeekFlags flags = (GstSeekFlags) (GST_SEEK_FLAG_FLUSH |GST_SEEK_FLAG_KEY_UNIT);
					gint64 pos;
					#if GST_VERSION_MAJOR==0
						gst_element_query_position(GST_ELEMENT(gstPipeline),&format,&pos);
					#else
						gst_element_query_position(GST_ELEMENT(gstPipeline),format,&pos);
					#endif
					float loopSpeed;
					if(pos>0)
						loopSpeed=-speed;
					else
						loopSpeed=speed;
					if(!gst_element_seek(GST_ELEMENT(gstPipeline),
										loopSpeed,
										GST_FORMAT_UNDEFINED,
										flags,
										GST_SEEK_TYPE_NONE,
										0,
										GST_SEEK_TYPE_NONE,
										0)) {
						ofLogWarning("ofGstUtils") << "gstHandleMessage(): unable to seek";
					}
				}break;

				default:
				break;
			}

		}break;
		case GST_MESSAGE_LATENCY:
			gst_bin_recalculate_latency (GST_BIN (getPipeline()));
			break;
		case GST_MESSAGE_REQUEST_STATE:	{
			GstState state;
			gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (msg));

			gst_message_parse_request_state (msg, &state);
			gst_element_set_state (getPipeline(), state);

			g_free (name);
			break;
		}
		case GST_MESSAGE_HAVE_CONTEXT:{
			GstContext *context;
			const gchar *context_type;
			gchar *context_str;

			gst_message_parse_have_context (msg, &context);

			context_type = gst_context_get_context_type (context);
			context_str = gst_structure_to_string (gst_context_get_structure (context));
			ofLogNotice("ofGstUtils","Got context from element '%s': %s=%s\n",
				GST_ELEMENT_NAME (GST_MESSAGE_SRC (msg)), context_type,
				context_str);
			g_free (context_str);
			gst_context_unref (context);
			break;
		}
		default:
			ofLogVerbose("ofGstUtils") << "gstHandleMessage(): unhandled message from " << GST_MESSAGE_SRC_NAME(msg);
		break;
	}

	return true;
}
示例#12
0
static gboolean
master_bus_msg (GstBus * bus, GstMessage * msg, gpointer data)
{
  GstPipeline *pipeline = data;

  switch (GST_MESSAGE_TYPE (msg)) {
    case GST_MESSAGE_ERROR:{
      GError *err;
      gchar *dbg;

      gst_message_parse_error (msg, &err, &dbg);
      g_printerr ("MASTER: ERROR: %s\n", err->message);
      if (dbg != NULL)
        g_printerr ("MASTER: ERROR debug information: %s\n", dbg);
      g_error_free (err);
      g_free (dbg);

      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
          GST_DEBUG_GRAPH_SHOW_ALL, "ipc.master.error");

      g_main_loop_quit (loop);
      break;
    }
    case GST_MESSAGE_WARNING:{
      GError *err;
      gchar *dbg;

      gst_message_parse_warning (msg, &err, &dbg);
      g_printerr ("MASTER: WARNING: %s\n", err->message);
      if (dbg != NULL)
        g_printerr ("MASTER: WARNING debug information: %s\n", dbg);
      g_error_free (err);
      g_free (dbg);

      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
          GST_DEBUG_GRAPH_SHOW_ALL, "ipc.master.warning");
      break;
    }
    case GST_MESSAGE_ASYNC_DONE:
      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
          GST_DEBUG_GRAPH_SHOW_ALL, "ipc.master.async-done");
      break;
    case GST_MESSAGE_EOS:
      g_print ("EOS on master\n");
      gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
      g_main_loop_quit (loop);
      break;
    case GST_MESSAGE_BUFFERING:{
      gint percent;
      GstBufferingMode bufmode;

      if (!buffering)
        g_print ("\n");

      gst_message_parse_buffering (msg, &percent);
      g_print ("%s %d%%  \r", "Buffering...", percent);

      gst_message_parse_buffering_stats (msg, &bufmode, NULL, NULL, NULL);

      /* no state management needed for live pipelines */
      if (bufmode != GST_BUFFERING_LIVE) {
        if (percent == 100) {
          /* a 100% message means buffering is done */
          if (buffering) {
            buffering = FALSE;
            gst_element_set_state (GST_ELEMENT (pipeline), desired_state);
            g_print ("\n%s\n", gst_element_state_get_name (desired_state));
          }
        } else {
          /* buffering... */
          if (!buffering) {
            gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
            buffering = TRUE;
          }
        }
      }
      break;
    }
    case GST_MESSAGE_CLOCK_LOST:{
      g_print ("Clock lost, selecting a new one\n");
      gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
      gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
      break;
    }
    case GST_MESSAGE_LATENCY:
    {
      gst_bin_recalculate_latency (GST_BIN (pipeline));
      break;
    }
    case GST_MESSAGE_REQUEST_STATE:{
      GstState state;
      gchar *name;

      name = gst_object_get_path_string (GST_MESSAGE_SRC (msg));

      gst_message_parse_request_state (msg, &state);

      GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
          GST_DEBUG_GRAPH_SHOW_VERBOSE, "ipc.slave.reqstate");

      g_print ("Setting state to %s as requested by %s...\n",
          gst_element_state_get_name (state), name);

      gst_element_set_state (GST_ELEMENT (pipeline), state);
      g_free (name);
      break;
    }
    case GST_MESSAGE_ELEMENT:
    {
      GstNavigationMessageType mtype = gst_navigation_message_get_type (msg);
      if (mtype == GST_NAVIGATION_MESSAGE_EVENT) {
        GstEvent *ev = NULL;

        if (gst_navigation_message_parse_event (msg, &ev)) {
          GstNavigationEventType e_type = gst_navigation_event_get_type (ev);
          switch (e_type) {
            case GST_NAVIGATION_EVENT_KEY_PRESS:
            {
              const gchar *key;

              if (gst_navigation_event_parse_key_event (ev, &key)) {
                GST_INFO ("Key press: %s", key);

                if (strcmp (key, "Left") == 0)
                  key = GST_PLAY_KB_ARROW_LEFT;
                else if (strcmp (key, "Right") == 0)
                  key = GST_PLAY_KB_ARROW_RIGHT;
                else if (strcmp (key, "Up") == 0)
                  key = GST_PLAY_KB_ARROW_UP;
                else if (strcmp (key, "Down") == 0)
                  key = GST_PLAY_KB_ARROW_DOWN;
                else if (strcmp (key, "space") == 0)
                  key = " ";
                else if (strlen (key) > 1)
                  break;

                keyboard_cb (key, GST_ELEMENT (pipeline));
              }
              break;
            }
            case GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS:
            {
              gint button;
              if (gst_navigation_event_parse_mouse_button_event (ev, &button,
                      NULL, NULL)) {
                if (button == 4) {
                  /* wheel up */
                  relative_seek (GST_ELEMENT (pipeline), +0.08);
                } else if (button == 5) {
                  /* wheel down */
                  relative_seek (GST_ELEMENT (pipeline), -0.01);
                }
              }
              break;
            }
            default:
              break;
          }
        }
        if (ev)
          gst_event_unref (ev);
      }
      break;
    }
    default:
      break;
  }
  return TRUE;
}
示例#13
0
QString Object::pathString() const
{
    return QGlib::Private::stringFromGCharPtr(gst_object_get_path_string(object<GstObject>()));
}