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discoverer: early return when we have no streams

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This commit is contained in:
Stefan Sauer 2013-10-07 22:51:04 +02:00
parent 2e1b1699fe
commit 9230a6af6a
1 changed files with 4 additions and 5 deletions
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9
gst-libs/gst/pbutils/gstdiscoverer.c
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@ -967,6 +967,10 @@ find_stream_for_node (GstDiscoverer * dc, const GstStructure * topology)
guint i; guint i;
GList *tmp; GList *tmp;
if (!dc->priv->streams) {
return NULL;
}
if (!gst_structure_id_has_field (topology, _TOPOLOGY_PAD_QUARK)) { if (!gst_structure_id_has_field (topology, _TOPOLOGY_PAD_QUARK)) {
GST_DEBUG ("Could not find pad for node %" GST_PTR_FORMAT, topology); GST_DEBUG ("Could not find pad for node %" GST_PTR_FORMAT, topology);
return NULL; return NULL;
@ -975,11 +979,6 @@ find_stream_for_node (GstDiscoverer * dc, const GstStructure * topology)
gst_structure_id_get (topology, _TOPOLOGY_PAD_QUARK, gst_structure_id_get (topology, _TOPOLOGY_PAD_QUARK,
GST_TYPE_PAD, &pad, NULL); GST_TYPE_PAD, &pad, NULL);
if (!dc->priv->streams) {
gst_object_unref (pad);
return NULL;
}
for (i = 0, tmp = dc->priv->streams; tmp; tmp = tmp->next, i++) { for (i = 0, tmp = dc->priv->streams; tmp; tmp = tmp->next, i++) {
ps = (PrivateStream *) tmp->data; ps = (PrivateStream *) tmp->data;