mpegdemux: Set duration on seeking query if possible

Set duration on seeking query in the same way as duration query handler.
Otherwise application might get confused as if the duration is unknown.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1791>

diff --git a/gst/mpegdemux/gstmpegdemux.c b/gst/mpegdemux/gstmpegdemux.c
index e900377..fbf7b6e 100644 (file)
--- a/gst/mpegdemux/gstmpegdemux.c
+++ b/gst/mpegdemux/gstmpegdemux.c
@@ -1557,10 +1557,14 @@ gst_ps_demux_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
       if (demux->random_access) {
         /* In pull mode we can seek in TIME format if we have the SCR */
         if (fmt != GST_FORMAT_TIME || demux->scr_rate_n == G_MAXUINT64
-            || demux->scr_rate_d == G_MAXUINT64)
+            || demux->scr_rate_d == G_MAXUINT64) {
           gst_query_set_seeking (query, fmt, FALSE, -1, -1);
-        else
-          gst_query_set_seeking (query, fmt, TRUE, 0, -1);
+        } else {
+          gint64 dur = -1;
+          if (GST_CLOCK_TIME_IS_VALID (demux->src_segment.duration))
+            dur = demux->src_segment.duration;
+          gst_query_set_seeking (query, fmt, TRUE, 0, dur);
+        }
       } else {
         if (fmt == GST_FORMAT_BYTES) {
           /* Seeking in BYTES format not supported at all */