avdemux: Don't go into pull mode when the sequential flag is set

When the scheduling query results has GST_SCHEDULING_FLAG_SEQUENTIAL set
in its flags don't go into pull mode to prevent over-eager seeking.

https://bugzilla.gnome.org/show_bug.cgi?id=722935

diff --git a/ext/libav/gstavdemux.c b/ext/libav/gstavdemux.c
index 1e4ef2f..3e81301 100644 (file)
--- a/ext/libav/gstavdemux.c
+++ b/ext/libav/gstavdemux.c
@@ -1747,6 +1747,7 @@ gst_ffmpegdemux_sink_activate (GstPad * sinkpad, GstObject * parent)
 {
   GstQuery *query;
   gboolean pull_mode;
+  GstSchedulingFlags flags;
 
   query = gst_query_new_scheduling ();
 
@@ -1757,6 +1758,11 @@ gst_ffmpegdemux_sink_activate (GstPad * sinkpad, GstObject * parent)
 
   pull_mode = gst_query_has_scheduling_mode_with_flags (query,
       GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);
+
+  gst_query_parse_scheduling (query, &flags, NULL, NULL, NULL);
+  if (flags & GST_SCHEDULING_FLAG_SEQUENTIAL)
+    pull_mode = FALSE;
+
   gst_query_unref (query);
 
   if (!pull_mode)