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uridownloader: Re-use old source element if possible

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Allows to implement keep-alive handling in the source element.
This commit is contained in:
Sebastian Dröge 2014-02-13 10:06:48 +01:00
parent e40b72bc9b
commit c76ea2919f
1 changed files with 33 additions and 15 deletions
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48
gst-libs/gst/uridownloader/gsturidownloader.c
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@ -112,6 +112,7 @@ gst_uri_downloader_dispose (GObject * object)
GstUriDownloader *downloader = GST_URI_DOWNLOADER (object);
if (downloader->priv->urisrc != NULL) {
gst_element_set_state (downloader->priv->urisrc, GST_STATE_NULL);
gst_object_unref (downloader->priv->urisrc);
downloader->priv->urisrc = NULL;
}
@ -318,13 +319,36 @@ gst_uri_downloader_set_uri (GstUriDownloader * downloader, const gchar * uri,
if (!gst_uri_is_valid (uri))
return FALSE;
g_assert (downloader->priv->urisrc == NULL);
if (downloader->priv->urisrc) {
gchar *old_protocol, *new_protocol;
gchar *old_uri;
GST_DEBUG_OBJECT (downloader, "Creating source element for the URI:%s", uri);
downloader->priv->urisrc =
gst_element_make_from_uri (GST_URI_SRC, uri, NULL, NULL);
if (!downloader->priv->urisrc)
return FALSE;
old_uri =
gst_uri_handler_get_uri (GST_URI_HANDLER (downloader->priv->urisrc));
old_protocol = gst_uri_get_protocol (old_uri);
new_protocol = gst_uri_get_protocol (uri);
if (!g_str_equal (old_protocol, new_protocol)) {
gst_element_set_state (downloader->priv->urisrc, GST_STATE_NULL);
gst_object_unref (downloader->priv->urisrc);
downloader->priv->urisrc = NULL;
GST_DEBUG_OBJECT (downloader, "Can't re-use old source element");
} else {
GST_DEBUG_OBJECT (downloader, "Re-using old source element");
}
g_free (old_uri);
g_free (old_protocol);
g_free (new_protocol);
}
if (!downloader->priv->urisrc) {
GST_DEBUG_OBJECT (downloader, "Creating source element for the URI:%s",
uri);
downloader->priv->urisrc =
gst_element_make_from_uri (GST_URI_SRC, uri, NULL, NULL);
if (!downloader->priv->urisrc)
return FALSE;
}
gobject_class = G_OBJECT_GET_CLASS (downloader->priv->urisrc);
if (g_object_class_find_property (gobject_class, "compress"))
@ -459,12 +483,11 @@ quit:
/* remove the bus' sync handler */
gst_bus_set_sync_handler (downloader->priv->bus, NULL, NULL, NULL);
gst_bus_set_flushing (downloader->priv->bus, TRUE);
/* set the element state to NULL */
GST_OBJECT_UNLOCK (downloader);
gst_bus_set_flushing (downloader->priv->bus, TRUE);
gst_element_set_state (urisrc, GST_STATE_NULL);
gst_element_get_state (urisrc, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_element_set_state (urisrc, GST_STATE_READY);
GST_OBJECT_LOCK (downloader);
gst_element_set_bus (urisrc, NULL);
@ -474,13 +497,8 @@ quit:
gst_pad_unlink (pad, downloader->priv->pad);
gst_object_unref (pad);
}
downloader->priv->urisrc = NULL;
GST_OBJECT_UNLOCK (downloader);
gst_object_unref (urisrc);
} else {
GST_OBJECT_UNLOCK (downloader);
}
GST_OBJECT_UNLOCK (downloader);
if (download == NULL) {
if (!downloader->priv->err) {