Add support for GStreamer 1.x in Unix wxMediaCtrl implementation

Do it while keeping both 0.8 and 0.10 support, unlike the commit d0ef5d7,
which this is based on, that removed support for 0.8.

Closes https://github.com/wxWidgets/wxWidgets/pull/400

configure

@@ -37321,8 +37321,8 @@ if test "$wxUSE_MEDIACTRL" = "yes" -o "$wxUSE_MEDIACTRL" = "auto"; then
                 if test "$wxUSE_GTK" = 1; then
         wxUSE_GSTREAMER="no"
 
-                                                                GST_VERSION_MAJOR=0
+                                                                GST_VERSION_MAJOR=1
-        GST_VERSION_MINOR=10
+        GST_VERSION_MINOR=0
         GST_VERSION=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
 
         if test "$wxUSE_GSTREAMER8" = "no"; then
@@ -37331,6 +37331,93 @@ pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GST" >&5
 $as_echo_n "checking for GST... " >&6; }
 
+if test -n "$PKG_CONFIG"; then
+    if test -n "$GST_CFLAGS"; then
+        pkg_cv_GST_CFLAGS="$GST_CFLAGS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gstreamer-\$GST_VERSION gstreamer-video-\$GST_VERSION\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "gstreamer-$GST_VERSION gstreamer-video-$GST_VERSION") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_GST_CFLAGS=`$PKG_CONFIG --cflags "gstreamer-$GST_VERSION gstreamer-video-$GST_VERSION" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+if test -n "$PKG_CONFIG"; then
+    if test -n "$GST_LIBS"; then
+        pkg_cv_GST_LIBS="$GST_LIBS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gstreamer-\$GST_VERSION gstreamer-video-\$GST_VERSION\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "gstreamer-$GST_VERSION gstreamer-video-$GST_VERSION") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_GST_LIBS=`$PKG_CONFIG --libs "gstreamer-$GST_VERSION gstreamer-video-$GST_VERSION" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        GST_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "gstreamer-$GST_VERSION gstreamer-video-$GST_VERSION"`
+        else
+	        GST_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gstreamer-$GST_VERSION gstreamer-video-$GST_VERSION"`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$GST_PKG_ERRORS" >&5
+
+
+                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 1.0 not available, falling back to 0.10" >&5
+$as_echo "$as_me: WARNING: GStreamer 1.0 not available, falling back to 0.10" >&2;}
+                    GST_VERSION_MAJOR=0
+                    GST_VERSION_MINOR=10
+                    GST_VERSION=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
+
+
+elif test $pkg_failed = untried; then
+
+                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 1.0 not available, falling back to 0.10" >&5
+$as_echo "$as_me: WARNING: GStreamer 1.0 not available, falling back to 0.10" >&2;}
+                    GST_VERSION_MAJOR=0
+                    GST_VERSION_MINOR=10
+                    GST_VERSION=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
+
+
+else
+	GST_CFLAGS=$pkg_cv_GST_CFLAGS
+	GST_LIBS=$pkg_cv_GST_LIBS
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+                    wxUSE_GSTREAMER="yes"
+
+fi
+
+            if test $GST_VERSION_MINOR = "10"; then
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GST" >&5
+$as_echo_n "checking for GST... " >&6; }
+
 if test -n "$PKG_CONFIG"; then
     if test -n "$GST_CFLAGS"; then
         pkg_cv_GST_CFLAGS="$GST_CFLAGS"
@@ -37386,16 +37473,14 @@ fi
 	echo "$GST_PKG_ERRORS" >&5
 
 
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.10 not available, falling back to 0.8" >&5
+                        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.10 not available, falling back to 0.8" >&5
 $as_echo "$as_me: WARNING: GStreamer 0.10 not available, falling back to 0.8" >&2;}
-                    GST_VERSION_MINOR=8
 
 
 elif test $pkg_failed = untried; then
 
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.10 not available, falling back to 0.8" >&5
+                        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.10 not available, falling back to 0.8" >&5
 $as_echo "$as_me: WARNING: GStreamer 0.10 not available, falling back to 0.8" >&2;}
-                    GST_VERSION_MINOR=8
 
 
 else
@@ -37404,12 +37489,15 @@ else
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 
-                    wxUSE_GSTREAMER="yes"
+                        wxUSE_GSTREAMER="yes"
-                    GST_LIBS="$GST_LIBS -lgstinterfaces-$GST_VERSION"
+                        GST_LIBS="$GST_LIBS -lgstinterfaces-$GST_VERSION"
 
 fi
+            fi
+
         else
-                        GST_VERSION_MINOR=8
+                        GST_VERSION_MAJOR=0
+            GST_VERSION_MINOR=8
         fi
 
         if test $GST_VERSION_MINOR = "8"; then
@@ -37474,13 +37562,13 @@ fi
 	echo "$GST_PKG_ERRORS" >&5
 
 
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.8/0.10 not available." >&5
+                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.8/0.10/1.0 not available." >&5
-$as_echo "$as_me: WARNING: GStreamer 0.8/0.10 not available." >&2;}
+$as_echo "$as_me: WARNING: GStreamer 0.8/0.10/1.0 not available." >&2;}
 
 elif test $pkg_failed = untried; then
 
-                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.8/0.10 not available." >&5
+                    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GStreamer 0.8/0.10/1.0 not available." >&5
-$as_echo "$as_me: WARNING: GStreamer 0.8/0.10 not available." >&2;}
+$as_echo "$as_me: WARNING: GStreamer 0.8/0.10/1.0 not available." >&2;}
 
 else
 	GST_CFLAGS=$pkg_cv_GST_CFLAGS

configure.in

@@ -7548,27 +7548,43 @@ if test "$wxUSE_MEDIACTRL" = "yes" -o "$wxUSE_MEDIACTRL" = "auto"; then
         dnl Test for at least 0.8 gstreamer module from pkg-config
         dnl Even totem doesn't accept 0.9 evidently.
         dnl
-        dnl So, we first check to see if 0.10 if available - if not we
+        dnl So, we first check to see if 1.0 if available - if not we
-        dnl try the older 0.8 version
+        dnl try the older 0.10 and 0.8 versions
         dnl -------------------------------------------------------------------
-        GST_VERSION_MAJOR=0
+        GST_VERSION_MAJOR=1
-        GST_VERSION_MINOR=10
+        GST_VERSION_MINOR=0
         GST_VERSION=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
 
         if test "$wxUSE_GSTREAMER8" = "no"; then
             PKG_CHECK_MODULES(GST,
-                [gstreamer-$GST_VERSION gstreamer-plugins-base-$GST_VERSION],
+                [gstreamer-$GST_VERSION gstreamer-video-$GST_VERSION],
                 [
                     wxUSE_GSTREAMER="yes"
-                    GST_LIBS="$GST_LIBS -lgstinterfaces-$GST_VERSION"
                 ],
                 [
-                    AC_MSG_WARN([GStreamer 0.10 not available, falling back to 0.8])
+                    AC_MSG_WARN([GStreamer 1.0 not available, falling back to 0.10])
-                    GST_VERSION_MINOR=8
+                    GST_VERSION_MAJOR=0
+                    GST_VERSION_MINOR=10
+                    GST_VERSION=$GST_VERSION_MAJOR.$GST_VERSION_MINOR
                 ]
             )
+
+            if test $GST_VERSION_MINOR = "10"; then
+                PKG_CHECK_MODULES(GST,
+                    [gstreamer-$GST_VERSION gstreamer-plugins-base-$GST_VERSION],
+                    [
+                        wxUSE_GSTREAMER="yes"
+                        GST_LIBS="$GST_LIBS -lgstinterfaces-$GST_VERSION"
+                    ],
+                    [
+                        AC_MSG_WARN([GStreamer 0.10 not available, falling back to 0.8])
+                    ]
+                )
+            fi
+
         else
             dnl check only for 0.8
+            GST_VERSION_MAJOR=0
             GST_VERSION_MINOR=8
         fi
 
@@ -7578,7 +7594,7 @@ if test "$wxUSE_MEDIACTRL" = "yes" -o "$wxUSE_MEDIACTRL" = "auto"; then
                 [gstreamer-$GST_VERSION gstreamer-interfaces-$GST_VERSION gstreamer-gconf-$GST_VERSION],
                 wxUSE_GSTREAMER="yes",
                 [
-                    AC_MSG_WARN([GStreamer 0.8/0.10 not available.])
+                    AC_MSG_WARN([GStreamer 0.8/0.10/1.0 not available.])
                 ])
         fi
 

src/unix/mediactrl.cpp

@@ -20,7 +20,9 @@
 #include <gst/gst.h>                // main gstreamer header
 
 // xoverlay/video stuff, gst-gconf for 0.8
-#if GST_VERSION_MAJOR > 0 || GST_VERSION_MINOR >= 10
+#if GST_VERSION_MAJOR > 0
+#   include <gst/video/video.h>
+#elif GST_VERSION_MINOR >= 10
 #   include <gst/interfaces/xoverlay.h>
 #else
 #   include <gst/xoverlay/xoverlay.h>
@@ -48,8 +50,8 @@
 //-----------------------------------------------------------------------------
 
 /*
-   This is the GStreamer backend for unix. Currently we require 0.8 or
+   This is the GStreamer backend for unix. Currently we require 0.8, 0.10, or
-   0.10. Here we use the "playbin" GstElement for ease of use.
+   1.0. Here we use the "playbin" GstElement for ease of use.
 
    Note that now we compare state change functions to GST_STATE_FAILURE
    now rather than GST_STATE_SUCCESS as newer gstreamer versions return
@@ -203,7 +205,11 @@ public:
     double          m_dRate;        // Current playback rate -
                                     // see GetPlaybackRate for notes
     wxLongLong      m_llPausedPos;  // Paused position - see Pause()
+#if GST_VERSION_MAJOR > 0
+    GstVideoOverlay* m_xoverlay;     // X Overlay that contains the GST video
+#else
     GstXOverlay*    m_xoverlay;     // X Overlay that contains the GST video
+#endif
     wxMutex         m_asynclock;    // See "discussion of internals"
     class wxGStreamerMediaEventHandler* m_eventHandler; // see below
 
@@ -294,7 +300,11 @@ expose_event(GtkWidget* widget, GdkEventExpose* event, wxGStreamerMediaBackend*
         // GST Doesn't redraw automatically while paused
         // Plus, the video sometimes doesn't redraw when it looses focus
         // or is painted over so we just tell it to redraw...
+#if GST_VERSION_MAJOR > 0
+        gst_video_overlay_expose(be->m_xoverlay);
+#else
         gst_x_overlay_expose(be->m_xoverlay);
+#endif
     }
     else
     {
@@ -334,9 +344,15 @@ static gint gtk_window_realize_callback(GtkWidget* widget,
     GdkWindow* window = gtk_widget_get_window(widget);
     wxASSERT(window);
 
+#if GST_VERSION_MAJOR > 0
+    gst_video_overlay_set_window_handle(be->m_xoverlay,
+                                GDK_WINDOW_XID(window)
+                                );
+#else
     gst_x_overlay_set_xwindow_id( GST_X_OVERLAY(be->m_xoverlay),
                                 GDK_WINDOW_XID(window)
                                 );
+#endif
     GtkWidget* w = be->GetControl()->m_wxwindow;
 #ifdef __WXGTK3__
     g_signal_connect(w, "draw", G_CALLBACK(draw), be);
@@ -436,7 +452,7 @@ static void gst_notify_caps_callback(GstPad* pad,
 //
 // (Undocumented?)
 //-----------------------------------------------------------------------------
-#if GST_VERSION_MAJOR > 0 || GST_VERSION_MINOR >= 10
+#if GST_VERSION_MAJOR == 0 && GST_VERSION_MINOR >= 10
 extern "C" {
 static void gst_notify_stream_info_callback(GstElement* WXUNUSED(element),
                                             GParamSpec* WXUNUSED(pspec),
@@ -537,8 +553,12 @@ static GstBusSyncReply gst_bus_sync_callback(GstBus* bus,
 {
     // Pass a non-xwindowid-setting event on to the async handler where it
     // belongs
+#if GST_VERSION_MAJOR > 0
+    if (!gst_is_video_overlay_prepare_window_handle_message (message))
+#else
     if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT ||
         !gst_structure_has_name (message->structure, "prepare-xwindow-id"))
+#endif
     {
         //
         // NB: Unfortunately, the async callback can be quite
@@ -603,6 +623,7 @@ void wxGStreamerMediaBackend::HandleStateChange(GstElementState oldstate,
     }
 }
 
+#if GST_VERSION_MAJOR == 0
 //-----------------------------------------------------------------------------
 // wxGStreamerMediaBackend::QueryVideoSizeFromElement
 //
@@ -672,6 +693,7 @@ bool wxGStreamerMediaBackend::QueryVideoSizeFromElement(GstElement* element)
 
     return true;
 }
+#endif
 
 //-----------------------------------------------------------------------------
 // wxGStreamerMediaBackend::QueryVideoSizeFromPad
@@ -680,7 +702,11 @@ bool wxGStreamerMediaBackend::QueryVideoSizeFromElement(GstElement* element)
 //-----------------------------------------------------------------------------
 bool wxGStreamerMediaBackend::QueryVideoSizeFromPad(GstPad* pad)
 {
+#if GST_VERSION_MAJOR > 0
+    GstCaps* caps = gst_pad_get_current_caps(pad);
+#else
     const GstCaps* caps = GST_PAD_CAPS(pad);
+#endif
     if ( caps )
     {
         const GstStructure *s = gst_caps_get_structure (caps, 0);
@@ -706,11 +732,15 @@ bool wxGStreamerMediaBackend::QueryVideoSizeFromPad(GstPad* pad)
                 m_videoSize.y = (int) ((float) den * m_videoSize.y / num);
         }
 
-         wxLogTrace(wxTRACE_GStreamer, wxT("Adjusted video size: [%i,%i]"),
+        wxLogTrace(wxTRACE_GStreamer, wxT("Adjusted video size: [%i,%i]"),
-                     m_videoSize.x, m_videoSize.y);
+                   m_videoSize.x, m_videoSize.y);
+#if GST_VERSION_MAJOR > 0
+        gst_caps_unref (caps);
+#endif
         return true;
     } // end if caps
 
+    m_videoSize = wxSize(0,0);
     return false; // not ready/massive failure
 }
 
@@ -739,7 +769,11 @@ void wxGStreamerMediaBackend::SetupXOverlay()
         GdkWindow* window = gtk_widget_get_window(m_ctrl->m_wxwindow);
         wxASSERT(window);
 #endif
+#if GST_VERSION_MAJOR > 0
+        gst_video_overlay_set_window_handle(m_xoverlay,
+#else
         gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(m_xoverlay),
+#endif
 #ifdef __WXGTK__
                         GDK_WINDOW_XID(window)
 #else
@@ -884,6 +918,31 @@ bool wxGStreamerMediaBackend::TryAudioSink(GstElement* audiosink)
 
 bool wxGStreamerMediaBackend::TryVideoSink(GstElement* videosink)
 {
+#if GST_VERSION_MAJOR > 0
+    // Check if the video sink either is an xoverlay or might contain one...
+    if( !GST_IS_BIN(videosink) && !GST_IS_VIDEO_OVERLAY(videosink) )
+    {
+        if(G_IS_OBJECT(videosink))
+            g_object_unref(videosink);
+        return false;
+    }
+
+    // Make our video sink and make sure it supports the x overlay interface
+    // the x overlay enables us to put the video in our control window
+    // (i.e. we NEED it!) - also connect to the natural video size change event
+    if( GST_IS_BIN(videosink) )
+        m_xoverlay = (GstVideoOverlay*)
+                        gst_bin_get_by_interface (GST_BIN (videosink),
+                                                  GST_TYPE_VIDEO_OVERLAY);
+    else
+        m_xoverlay = (GstVideoOverlay*) videosink;
+
+    if ( !GST_IS_VIDEO_OVERLAY(m_xoverlay) )
+    {
+        g_object_unref(videosink);
+        return false;
+    }
+#else
     // Check if the video sink either is an xoverlay or might contain one...
     if( !GST_IS_BIN(videosink) && !GST_IS_X_OVERLAY(videosink) )
     {
@@ -907,7 +966,7 @@ bool wxGStreamerMediaBackend::TryVideoSink(GstElement* videosink)
         g_object_unref(videosink);
         return false;
     }
-
+#endif
     return true;
 }
 
@@ -1130,16 +1189,22 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
     // handler as well so we can set the X window id of our xoverlay
     gst_bus_add_watch (gst_element_get_bus(m_playbin),
                        (GstBusFunc) gst_bus_async_callback, this);
+#endif
+#if GST_VERSION_MAJOR > 0
+    gst_bus_set_sync_handler(gst_element_get_bus(m_playbin),
+                             (GstBusSyncHandler) gst_bus_sync_callback, this, NULL);
+#else
     gst_bus_set_sync_handler(gst_element_get_bus(m_playbin),
                              (GstBusSyncHandler) gst_bus_sync_callback, this);
-    g_signal_connect(m_playbin, "notify::stream-info",
-                     G_CALLBACK(gst_notify_stream_info_callback), this);
 #endif
 
     // Get the audio sink
-    GstElement* audiosink = gst_gconf_get_default_audio_sink();
+    GstElement* audiosink;
+#if GST_VERSION_MAJOR == 0
+    audiosink = gst_gconf_get_default_audio_sink();
     if( !TryAudioSink(audiosink) )
     {
+#endif
         // fallback to autodetection, then alsa, then oss as a stopgap
         audiosink = gst_element_factory_make ("autoaudiosink", "audio-sink");
         if( !TryAudioSink(audiosink) )
@@ -1155,13 +1220,18 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
                 }
             }
         }
+#if GST_VERSION_MAJOR == 0
     }
+#endif
 
     // Setup video sink - first try gconf, then auto, then xvimage and
     // then finally plain ximage
-    GstElement* videosink = gst_gconf_get_default_video_sink();
+    GstElement* videosink;
+#if GST_VERSION_MAJOR == 0
+    videosink = gst_gconf_get_default_video_sink();
     if( !TryVideoSink(videosink) )
     {
+#endif
         videosink = gst_element_factory_make ("autovideosink", "video-sink");
         if( !TryVideoSink(videosink) )
         {
@@ -1179,13 +1249,25 @@ bool wxGStreamerMediaBackend::CreateControl(wxControl* ctrl, wxWindow* parent,
                 }
             }
         }
+#if GST_VERSION_MAJOR == 0
     }
+#endif
 
 #if GST_VERSION_MAJOR == 0 && GST_VERSION_MINOR < 10
     // Not on 0.10... called when video size changes
     g_signal_connect(m_xoverlay, "desired-size-changed",
                      G_CALLBACK(gst_desired_size_changed_callback), this);
 #endif
+
+#if GST_VERSION_MAJOR > 0
+    GstPad *video_sinkpad = gst_element_get_static_pad (videosink, "sink");
+    g_signal_connect (video_sinkpad, "notify::caps", G_CALLBACK (gst_notify_caps_callback), this);
+    gst_object_unref (video_sinkpad);
+#else
+    g_signal_connect(m_playbin, "notify::stream-info",
+                     G_CALLBACK(gst_notify_stream_info_callback), this);
+#endif
+
     // Tell GStreamer which window to draw to in 0.8 - 0.10
     // sometimes needs this too...
     SetupXOverlay();
@@ -1221,6 +1303,7 @@ bool wxGStreamerMediaBackend::Load(const wxString& fileName)
 //-----------------------------------------------------------------------------
 bool wxGStreamerMediaBackend::Load(const wxURI& location)
 {
+#if GST_VERSION_MAJOR == 0
     if(location.GetScheme().CmpNoCase(wxT("file")) == 0)
     {
         wxString uristring = location.BuildUnescapedURI();
@@ -1232,6 +1315,7 @@ bool wxGStreamerMediaBackend::Load(const wxURI& location)
                      );
     }
     else
+#endif
         return DoLoad(location.BuildURI());
 }
 
@@ -1417,11 +1501,17 @@ wxLongLong wxGStreamerMediaBackend::GetPosition()
     else
     {
         gint64 pos;
+#if GST_VERSION_MAJOR > 0
+        if (!gst_element_query_position(m_playbin, GST_FORMAT_TIME, &pos) ||
+            pos == -1)
+            return 0;
+#else
         GstFormat fmtTime = GST_FORMAT_TIME;
 
         if (!wxGst_element_query_position(m_playbin, &fmtTime, &pos) ||
             fmtTime != GST_FORMAT_TIME || pos == -1)
             return 0;
+#endif
         return pos / GST_MSECOND ;
     }
 }
@@ -1487,11 +1577,17 @@ bool wxGStreamerMediaBackend::SetPosition(wxLongLong where)
 wxLongLong wxGStreamerMediaBackend::GetDuration()
 {
     gint64 length;
+#if GST_VERSION_MAJOR > 0
+    if(!gst_element_query_duration(m_playbin, GST_FORMAT_TIME, &length) ||
+       length == -1)
+        return 0;
+#else
     GstFormat fmtTime = GST_FORMAT_TIME;
 
     if(!wxGst_element_query_duration(m_playbin, &fmtTime, &length) ||
        fmtTime != GST_FORMAT_TIME || length == -1)
         return 0;
+#endif
     return length / GST_MSECOND ;
 }
 
@@ -1593,11 +1689,17 @@ wxLongLong wxGStreamerMediaBackend::GetDownloadProgress()
 wxLongLong wxGStreamerMediaBackend::GetDownloadTotal()
 {
     gint64 length;
+#if GST_VERSION_MAJOR > 0
+    if (!gst_element_query_duration(m_playbin, GST_FORMAT_BYTES, &length) ||
+         length == -1)
+        return 0;
+#else
     GstFormat fmtBytes = GST_FORMAT_BYTES;
 
     if (!wxGst_element_query_duration(m_playbin, &fmtBytes, &length) ||
           fmtBytes != GST_FORMAT_BYTES || length == -1)
         return 0;
+#endif
     return length;
 }