GStreamer: fix compilation with version < 0.10.31.

Qt 5.4 and earlier required GStreamer 0.10.24 as minimum version.
Qt 5.5 added code that requires 0.10.31, this code is now ifdef'd
and we now support again 0.10.24.

Task-number: QTBUG-48353
Change-Id: Ie708a33c0515874b003ce26a3400475075d316ca
Reviewed-by: Christian Stromme <christian.stromme@theqtcompany.com>

3 files changed, 12 insertions, 8 deletions

diff --git a/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp b/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
index ac0fe2a77..fdf43062f 100644
--- a/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
+++ b/src/plugins/gstreamer/mediaplayer/qgstreamermetadataprovider.cpp
@@ -76,13 +76,10 @@ static const QGstreamerMetaDataKeyLookup *qt_gstreamerMetaDataKeys()
 
         // Music
         metadataKeys->insert(GST_TAG_ALBUM, QMediaMetaData::AlbumTitle);
-#if (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 25)
+#if GST_CHECK_VERSION(0, 10, 25)
         metadataKeys->insert(GST_TAG_ALBUM_ARTIST, QMediaMetaData::AlbumArtist);
 #endif
         metadataKeys->insert(GST_TAG_ARTIST, QMediaMetaData::ContributingArtist);
-#if (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
-        metadataKeys->insert(GST_TAG_COMPOSER, QMediaMetaData::Composer);
-#endif
         //metadataKeys->insert(0, QMediaMetaData::Conductor);
         //metadataKeys->insert(0, QMediaMetaData::Lyrics);
         //metadataKeys->insert(0, QMediaMetaData::Mood);
diff --git a/src/plugins/gstreamer/mediaplayer/qgstreamerplayerserviceplugin.cpp b/src/plugins/gstreamer/mediaplayer/qgstreamerplayerserviceplugin.cpp
index 004d561ae..b895c4d86 100644
--- a/src/plugins/gstreamer/mediaplayer/qgstreamerplayerserviceplugin.cpp
+++ b/src/plugins/gstreamer/mediaplayer/qgstreamerplayerserviceplugin.cpp
@@ -83,8 +83,15 @@ QMultimedia::SupportEstimate QGstreamerPlayerServicePlugin::hasSupport(const QSt
 
 static bool isDecoderOrDemuxer(GstElementFactory *factory)
 {
+#if GST_CHECK_VERSION(0, 10 ,31)
     return gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_DEMUXER)
                 || gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_DECODER);
+#else
+    return (factory
+            && (qstrcmp(factory->details.klass, "Codec/Decoder/Audio") == 0
+                || qstrcmp(factory->details.klass, "Codec/Decoder/Video") == 0
+                || qstrcmp(factory->details.klass, "Codec/Demux") == 0 ));
+#endif
 }
 
 void QGstreamerPlayerServicePlugin::updateSupportedMimeTypes() const
diff --git a/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp b/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp
index 4dce34113..c3d20e790 100644
--- a/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp
+++ b/src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp
@@ -388,7 +388,7 @@ QMediaTimeRange QGstreamerPlayerSession::availablePlaybackRanges() const
     if (duration() <= 0)
         return ranges;
 
-#if (GST_VERSION_MAJOR >= 0) &&  (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 31)
+#if GST_CHECK_VERSION(0, 10, 31)
     //GST_FORMAT_TIME would be more appropriate, but unfortunately it's not supported.
     //with GST_FORMAT_PERCENT media is treated as encoded with constant bitrate.
     GstQuery* query = gst_query_new_buffering(GST_FORMAT_PERCENT);
@@ -1637,7 +1637,7 @@ void QGstreamerPlayerSession::updateMuted()
     }
 }
 
-#if (GST_VERSION_MAJOR == 0) && ((GST_VERSION_MINOR < 10) || (GST_VERSION_MICRO < 33))
+#if !GST_CHECK_VERSION(0, 10, 33)
 static gboolean factory_can_src_any_caps (GstElementFactory *factory, const GstCaps *caps)
 {
     GList *templates;
@@ -1653,7 +1653,7 @@ static gboolean factory_can_src_any_caps (GstElementFactory *factory, const GstC
         if (templ->direction == GST_PAD_SRC) {
             GstCaps *templcaps = gst_static_caps_get(&templ->static_caps);
 
-            if (gst_caps_can_intersect(caps, templcaps)) {
+            if (qt_gst_caps_can_intersect(caps, templcaps)) {
                 gst_caps_unref(templcaps);
                 return TRUE;
             }
@@ -1685,7 +1685,7 @@ GstAutoplugSelectResult QGstreamerPlayerSession::handleAutoplugSelect(GstBin *bi
         GstCaps *sinkCaps = gst_pad_get_caps(sinkPad);
 #endif
 
-#if (GST_VERSION_MAJOR == 0) && ((GST_VERSION_MINOR < 10) || (GST_VERSION_MICRO < 33))
+#if !GST_CHECK_VERSION(0, 10, 33)
         if (!factory_can_src_any_caps(factory, sinkCaps))
 #else
         if (!gst_element_factory_can_src_any_caps(factory, sinkCaps))