diff options
Diffstat (limited to 'gst-libs/gst/play/play.c')
| -rw-r--r-- | gst-libs/gst/play/play.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gst-libs/gst/play/play.c b/gst-libs/gst/play/play.c index 7a0838ee..eb4d161c 100644 --- a/gst-libs/gst/play/play.c +++ b/gst-libs/gst/play/play.c @@ -304,8 +304,10 @@ gst_play_get_length_callback (GstPlay *play) } /* Audio first and then Video */ - q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format, &value); - if (!q) + if (GST_IS_ELEMENT (audio_sink_element)) + q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format, + &value); + if ( (!q) && (GST_IS_ELEMENT (video_sink_element)) ) q = gst_element_query (video_sink_element, GST_QUERY_TOTAL, &format, &value); @@ -647,6 +649,8 @@ gst_play_set_video_sink (GstPlay *play, GstElement *video_sink) g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); + g_return_val_if_fail (video_sink != NULL, FALSE); + g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE); /* We bring back the pipeline to READY */ if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) @@ -703,6 +707,8 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink) g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); + g_return_val_if_fail (audio_sink != NULL, FALSE); + g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE); /* We bring back the pipeline to READY */ if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) @@ -767,6 +773,8 @@ gst_play_set_visualization (GstPlay *play, GstElement *vis_element) g_return_val_if_fail (play != NULL, FALSE); g_return_val_if_fail (GST_IS_PLAY (play), FALSE); + g_return_val_if_fail (vis_element != NULL, FALSE); + g_return_val_if_fail (GST_IS_ELEMENT (vis_element), FALSE); /* We bring back the pipeline to READY */ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { |