[rhythmbox] require GStreamer 1.4.0 or newer

[Jonathan Matthew <jmatthew src gnome org>]

commit 6b6c283b18a33d25000874456e77a579f19510cd
Author: Jonathan Matthew <jonathan d14n org>
Date:   Tue Mar 15 10:25:58 2016 +1000

    require GStreamer 1.4.0 or newer
    
    This allows us to use playbin's audio-filter property to insert
    filters into the pipeline.

 backends/gstreamer/rb-player-gst-xfade.c |   28 ++++++++++++----------------
 configure.ac                             |    2 +-
 2 files changed, 13 insertions(+), 17 deletions(-)
---
diff --git a/backends/gstreamer/rb-player-gst-xfade.c b/backends/gstreamer/rb-player-gst-xfade.c
index 0548804..f449b7d 100644
--- a/backends/gstreamer/rb-player-gst-xfade.c
+++ b/backends/gstreamer/rb-player-gst-xfade.c
@@ -2602,6 +2602,8 @@ stream_src_blocked_cb (GstPad *pad, GstPadProbeInfo *info, RBXFadeStream *stream
 {
        GError *error = NULL;
        gboolean start_stream = FALSE;
+       GstElement *src;
+       GstQuery *query;
 
        g_mutex_lock (&stream->lock);
        if (stream->src_blocked) {
@@ -2616,23 +2618,17 @@ stream_src_blocked_cb (GstPad *pad, GstPadProbeInfo *info, RBXFadeStream *stream
                      "max-size-buffers", 200,          /* back to normal value */
                      NULL);
 
-#if GST_CHECK_VERSION(1,2,0)
-       {
-               GstElement *src;
-               GstQuery *query;
-               g_object_get (stream->decoder, "source", &src, NULL);
-               query = gst_query_new_scheduling ();
-               if (gst_element_query (src, query)) {
-                       GstSchedulingFlags flags;
-                       gst_query_parse_scheduling (query, &flags, NULL, NULL, NULL);
+       g_object_get (stream->decoder, "source", &src, NULL);
+       query = gst_query_new_scheduling ();
+       if (gst_element_query (src, query)) {
+               GstSchedulingFlags flags;
+               gst_query_parse_scheduling (query, &flags, NULL, NULL, NULL);
 
-                       /* this matches how uridecodebin decides whether to do buffering */
-                       stream->use_buffering = (flags & GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED);
-               }
-               gst_query_unref (query);
-               g_object_unref (src);
+               /* this matches how uridecodebin decides whether to do buffering */
+               stream->use_buffering = (flags & GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED);
        }
-#endif
+       gst_query_unref (query);
+       g_object_unref (src);
 
        if (stream->use_buffering) {
                rb_debug ("stream %s requires buffering", stream->uri);
diff --git a/configure.ac b/configure.ac
index 2e8fb1c..c96d55b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,7 +44,7 @@ AC_CHECK_SIZEOF(long)
 
 GTK_REQS=3.12.0
 
-GST_REQS=1.0.0
+GST_REQS=1.4.0
 GDK_PIXBUF_REQS=2.18.0
 GLIB_REQS=2.34.0
 LIBGPOD_REQS=0.6