diff options
Diffstat (limited to 'examples/seeking/seek.c')
| -rw-r--r-- | examples/seeking/seek.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/examples/seeking/seek.c b/examples/seeking/seek.c index fce17f3e..a274c105 100644 --- a/examples/seeking/seek.c +++ b/examples/seeking/seek.c @@ -755,6 +755,7 @@ update_scale (gpointer data) GstClock *clock; guint64 position; GstFormat format = GST_FORMAT_TIME; + gboolean res; duration = 0; clock = gst_bin_get_clock (GST_BIN (pipeline)); @@ -763,15 +764,23 @@ update_scale (gpointer data) if (seekable_elements) { GstElement *element = GST_ELEMENT (seekable_elements->data); - gst_element_query (element, GST_QUERY_TOTAL, &format, &duration); - gst_element_query (element, GST_QUERY_POSITION, &format, &position); + res = gst_element_query (element, GST_QUERY_TOTAL, &format, &duration); + if (!res) + duration = 0; + res = gst_element_query (element, GST_QUERY_POSITION, &format, &position); + if (!res) + position = 0; } } else { if (seekable_pads) { GstPad *pad = GST_PAD (seekable_pads->data); - gst_pad_query (pad, GST_QUERY_TOTAL, &format, &duration); - gst_pad_query (pad, GST_QUERY_POSITION, &format, &position); + res = gst_pad_query (pad, GST_QUERY_TOTAL, &format, &duration); + if (!res) + duration = 0; + res = gst_pad_query (pad, GST_QUERY_POSITION, &format, &position); + if (!res) + position = 0; } } |