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add check if children not NULL

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This commit is contained in:
Jacek Jendrzej
2017-11-10 12:37:46 +01:00
parent b75667176b
commit d9b7971e30
1 changed files with 2 additions and 4 deletions
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6
libarmbox/playback_gst.cpp
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@@ -339,8 +339,7 @@ GstBusSyncReply Gst_bus_call(GstBus *bus, GstMessage *msg, gpointer user_data)
videoSink = NULL;
}
children = gst_bin_iterate_recurse(GST_BIN(m_gst_playbin));
if (gst_iterator_find_custom(children, (GCompareFunc)match_sinktype, &r, (gpointer)"GstDVBAudioSink"))
if (children && gst_iterator_find_custom(children, (GCompareFunc)match_sinktype, &r, (gpointer)"GstDVBAudioSink"))
{
audioSink = GST_ELEMENT_CAST(g_value_dup_object (&r));
g_value_unset (&r);
@@ -349,8 +348,7 @@ GstBusSyncReply Gst_bus_call(GstBus *bus, GstMessage *msg, gpointer user_data)
gst_iterator_free(children);
children = gst_bin_iterate_recurse(GST_BIN(m_gst_playbin));
if (gst_iterator_find_custom(children, (GCompareFunc)match_sinktype, &r, (gpointer)"GstDVBVideoSink"))
if (children && gst_iterator_find_custom(children, (GCompareFunc)match_sinktype, &r, (gpointer)"GstDVBVideoSink"))
{
videoSink = GST_ELEMENT_CAST(g_value_dup_object (&r));
g_value_unset (&r);