C++ (Cpp) ges_pipeline_update_caps Examples

Example #1

File: ges-pipeline.c Project: sgielen/gst-editing-services

static GstStateChangeReturn
ges_pipeline_change_state (GstElement * element, GstStateChange transition)
{
  GESPipeline *self;
  GstStateChangeReturn ret;

  self = GES_PIPELINE (element);

  switch (transition) {
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      if (G_UNLIKELY (self->priv->timeline == NULL)) {
        GST_ERROR_OBJECT (element,
            "No GESTimeline set on the pipeline, cannot play !");
        ret = GST_STATE_CHANGE_FAILURE;
        goto done;
      }
      if (self->priv->mode & (GES_PIPELINE_MODE_RENDER |
              GES_PIPELINE_MODE_SMART_RENDER))
        GST_DEBUG ("rendering => Updating pipeline caps");
      /* Set caps on all tracks according to profile if present */
      if (!ges_pipeline_update_caps (self)) {
        GST_ERROR_OBJECT (element, "Error setting the caps for rendering");
        ret = GST_STATE_CHANGE_FAILURE;
        goto done;
      }
      _link_tracks (self);
      break;
    case GST_STATE_CHANGE_PAUSED_TO_READY:
    {
      GList *tmp;

      for (tmp = self->priv->not_rendered_tracks; tmp; tmp = tmp->next)
        gst_element_set_locked_state (tmp->data, FALSE);
    }
      break;
    default:
      break;
  }

  ret =
      GST_ELEMENT_CLASS (ges_pipeline_parent_class)->change_state
      (element, transition);

  switch (transition) {
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      _unlink_tracks (self);
      break;
    default:
      break;
  }

done:
  return ret;
}

Example #2

File: ges-pipeline.c Project: pitivi/gst-editing-services

static GstStateChangeReturn
ges_pipeline_change_state (GstElement * element, GstStateChange transition)
{
  GESPipeline *self;
  GstStateChangeReturn ret;

  self = GES_PIPELINE (element);

  switch (transition) {
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      if (G_UNLIKELY (self->priv->timeline == NULL)) {
        GST_ERROR_OBJECT (element,
            "No GESTimeline set on the pipeline, cannot play !");
        ret = GST_STATE_CHANGE_FAILURE;
        goto done;
      }
      if (self->priv->
          mode & (TIMELINE_MODE_RENDER | TIMELINE_MODE_SMART_RENDER))
        GST_DEBUG ("rendering => Updating pipeline caps");
      if (!ges_pipeline_update_caps (self)) {
        GST_ERROR_OBJECT (element, "Error setting the caps for rendering");
        ret = GST_STATE_CHANGE_FAILURE;
        goto done;
      }
      /* Set caps on all tracks according to profile if present */
      break;
    default:
      break;
  }

  ret =
      GST_ELEMENT_CLASS (ges_pipeline_parent_class)->change_state
      (element, transition);

done:
  return ret;
}