GstPipeline * _owr_media_renderer_get_pipeline(OwrMediaRenderer *renderer)
{
g_return_val_if_fail(OWR_IS_MEDIA_RENDERER(renderer), NULL);
g_return_val_if_fail(renderer->priv->pipeline, NULL);
return gst_object_ref(GST_PIPELINE(renderer->priv->pipeline));
}
gchar * owr_media_renderer_get_dot_data(OwrMediaRenderer *renderer)
{
g_return_val_if_fail(OWR_IS_MEDIA_RENDERER(renderer), NULL);
g_return_val_if_fail(renderer->priv->pipeline, NULL);
#if GST_CHECK_VERSION(1, 5, 0)
return gst_debug_bin_to_dot_data(GST_BIN(renderer->priv->pipeline), GST_DEBUG_GRAPH_SHOW_ALL);
#else
return g_strdup("");
#endif
}
static void renderer_disabled(OwrMediaRenderer *renderer, GParamSpec *pspec, GstElement *balance)
{
gboolean disabled = FALSE;
g_return_if_fail(OWR_IS_MEDIA_RENDERER(renderer));
g_return_if_fail(G_IS_PARAM_SPEC(pspec) || !pspec);
g_return_if_fail(GST_IS_ELEMENT(balance));
g_object_get(renderer, "disabled", &disabled, NULL);
g_object_set(balance, "saturation", (gdouble)!disabled, "brightness", (gdouble)-disabled, NULL);
}
static gboolean set_source(GHashTable *args)
{
OwrMediaRenderer *renderer;
OwrMediaSource *source;
OwrMediaRendererPrivate *priv;
g_return_val_if_fail(args, G_SOURCE_REMOVE);
renderer = g_hash_table_lookup(args, "renderer");
source = g_hash_table_lookup(args, "source");
g_return_val_if_fail(OWR_IS_MEDIA_RENDERER(renderer), G_SOURCE_REMOVE);
g_return_val_if_fail(!source || OWR_IS_MEDIA_SOURCE(source), G_SOURCE_REMOVE);
priv = renderer->priv;
g_mutex_lock(&priv->media_renderer_lock);
if (source == priv->source) {
g_mutex_unlock(&priv->media_renderer_lock);
goto end;
}
if (priv->source) {
_owr_media_source_release_source(priv->source, priv->src);
gst_element_set_state(priv->src, GST_STATE_NULL);
gst_bin_remove(GST_BIN(priv->pipeline), priv->src);
priv->src = NULL;
g_object_unref(priv->source);
priv->source = NULL;
}
if (!source) {
/* Shut down the pipeline if we have no source */
gst_element_set_state(priv->pipeline, GST_STATE_NULL);
OWR_POST_EVENT(renderer, RENDERER_STOPPED, NULL);
g_mutex_unlock(&priv->media_renderer_lock);
goto end;
}
priv->source = g_object_ref(source);
_owr_media_renderer_reconfigure_element(renderer);
maybe_start_renderer(renderer);
g_mutex_unlock(&priv->media_renderer_lock);
end:
g_object_unref(renderer);
if (source)
g_object_unref(source);
g_hash_table_unref(args);
return G_SOURCE_REMOVE;
}
/**
* owr_media_renderer_set_source:
* @renderer:
* @source: (transfer none) (allow-none):
*
* Returns:
*/
void owr_media_renderer_set_source(OwrMediaRenderer *renderer, OwrMediaSource *source)
{
GHashTable *args;
g_return_if_fail(OWR_IS_MEDIA_RENDERER(renderer));
g_return_if_fail(!source || OWR_IS_MEDIA_SOURCE(source));
args = g_hash_table_new(g_str_hash, g_str_equal);
g_hash_table_insert(args, "renderer", renderer);
g_hash_table_insert(args, "source", source);
g_object_ref(renderer);
if (source)
g_object_ref(source);
_owr_schedule_with_hash_table((GSourceFunc)set_source, args);
}
void _owr_media_renderer_reconfigure_element(OwrMediaRenderer *renderer)
{
g_return_if_fail(OWR_IS_MEDIA_RENDERER(renderer));
OWR_MEDIA_RENDERER_GET_CLASS(renderer)->reconfigure_element(renderer);
}
