C++ (Cpp) gst_fd_src_update_fd Examples

Example #1

static gboolean
gst_fd_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
  gchar *protocol;
  GstFdSrc *src = GST_FD_SRC (handler);
  gint fd;

  protocol = gst_uri_get_protocol (uri);
  if (strcmp (protocol, "fd") != 0) {
    g_free (protocol);
    return FALSE;
  }
  g_free (protocol);

  if (sscanf (uri, "fd://%d", &fd) != 1 || fd < 0)
    return FALSE;

  src->new_fd = fd;

  GST_OBJECT_LOCK (src);
  if (GST_STATE (GST_ELEMENT (src)) <= GST_STATE_READY) {
    gst_fd_src_update_fd (src);
  }
  GST_OBJECT_UNLOCK (src);

  return TRUE;
}

Example #2

static void
gst_fd_src_set_property (GObject * object, guint prop_id, const GValue * value,
    GParamSpec * pspec)
{
  GstFdSrc *src = GST_FD_SRC (object);

  switch (prop_id) {
    case PROP_FD:
      src->new_fd = g_value_get_int (value);

      /* If state is ready or below, update the current fd immediately
       * so it is reflected in get_properties and uri */
      GST_OBJECT_LOCK (object);
      if (GST_STATE (GST_ELEMENT (src)) <= GST_STATE_READY) {
        GST_DEBUG_OBJECT (src, "state ready or lower, updating to use new fd");
        gst_fd_src_update_fd (src);
      } else {
        GST_DEBUG_OBJECT (src, "state above ready, not updating to new fd yet");
      }
      GST_OBJECT_UNLOCK (object);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}

Example #3

File: gstfdsrc.c Project: JERUKA9/gstreamer

static gboolean
gst_fd_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
  gchar *protocol, *q;
  GstFdSrc *src = GST_FD_SRC (handler);
  gint fd;
  guint64 size = -1;

  GST_INFO_OBJECT (src, "checking uri %s", uri);

  protocol = gst_uri_get_protocol (uri);
  if (strcmp (protocol, "fd") != 0) {
    g_free (protocol);
    return FALSE;
  }
  g_free (protocol);

  if (sscanf (uri, "fd://%d", &fd) != 1 || fd < 0)
    return FALSE;

  if ((q = g_strstr_len (uri, -1, "?"))) {
    gchar *sp;

    GST_INFO_OBJECT (src, "found ?");

    if ((sp = g_strstr_len (q, -1, "size="))) {
      if (sscanf (sp, "size=%" G_GUINT64_FORMAT, &size) != 1) {
        GST_INFO_OBJECT (src, "parsing size failed");
        size = -1;
      } else {
        GST_INFO_OBJECT (src, "found size %" G_GUINT64_FORMAT, size);
      }
    }
  }

  src->new_fd = fd;

  GST_OBJECT_LOCK (src);
  if (GST_STATE (GST_ELEMENT (src)) <= GST_STATE_READY) {
    gst_fd_src_update_fd (src, size);
  }
  GST_OBJECT_UNLOCK (src);

  return TRUE;
}

Example #4

static gboolean
gst_fd_src_start (GstBaseSrc * bsrc)
{
  GstFdSrc *src = GST_FD_SRC (bsrc);

  src->curoffset = 0;

  if ((src->fdset = gst_poll_new (TRUE)) == NULL)
    goto socket_pair;

  gst_fd_src_update_fd (src);

  return TRUE;

  /* ERRORS */
socket_pair:
  {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ_WRITE, (NULL),
        GST_ERROR_SYSTEM);
    return FALSE;
  }
}