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, 15 insertions, 10 deletions

diff --git a/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp b/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp
index 0018209c2..fca38ecf8 100644
--- a/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp
+++ b/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp
@@ -77,9 +77,7 @@ static const QGstreamerMetaDataKeyLookup *qt_gstreamerMetaDataKeys()
         metadataKeys->insert(QMediaMetaData::AlbumTitle, GST_TAG_ALBUM);
         metadataKeys->insert(QMediaMetaData::AlbumArtist,  GST_TAG_ARTIST);
         metadataKeys->insert(QMediaMetaData::ContributingArtist, GST_TAG_PERFORMER);
-#if (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
         metadataKeys->insert(QMediaMetaData::Composer, GST_TAG_COMPOSER);
-#endif
         //metadataKeys->insert(QMediaMetaData::Conductor, 0);
         //metadataKeys->insert(QMediaMetaData::Lyrics, 0);
         //metadataKeys->insert(QMediaMetaData::Mood, 0);
diff --git a/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp b/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp
index a9c66f836..8cbdb6717 100644
--- a/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp
+++ b/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp
@@ -113,8 +113,15 @@ QMultimedia::SupportEstimate QGstreamerCaptureServicePlugin::hasSupport(const QS
 
 static bool isEncoderOrMuxer(GstElementFactory *factory)
 {
+#if GST_CHECK_VERSION(0, 10, 31)
     return gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_MUXER)
                 || gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_ENCODER);
+#else
+    return (factory
+            && (qstrcmp(factory->details.klass, "Codec/Encoder/Audio") == 0
+               || qstrcmp(factory->details.klass, "Codec/Encoder/Video") == 0
+               || qstrcmp(factory->details.klass, "Codec/Muxer") == 0 ));
+#endif
 }
 
 void QGstreamerCaptureServicePlugin::updateSupportedMimeTypes() const
diff --git a/src/plugins/gstreamer/mediacapture/qgstreamercapturesession.cpp b/src/plugins/gstreamer/mediacapture/qgstreamercapturesession.cpp
index 77d8987f9..31ffa5065 100644
--- a/src/plugins/gstreamer/mediacapture/qgstreamercapturesession.cpp
+++ b/src/plugins/gstreamer/mediacapture/qgstreamercapturesession.cpp
@@ -628,12 +628,12 @@ bool QGstreamerCaptureSession::rebuildGraph(QGstreamerCaptureSession::PipelineMo
     }
 
     dumpGraph( QString("rebuild_graph_%1_%2").arg(m_pipelineMode).arg(newMode) );
+#ifdef QT_GST_CAPTURE_DEBUG
     if (m_encodeBin) {
         QString fileName = QString("rebuild_graph_encode_%1_%2").arg(m_pipelineMode).arg(newMode);
-#if !(GST_DISABLE_GST_DEBUG) && (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
-        _gst_debug_bin_to_dot_file(GST_BIN(m_encodeBin), GST_DEBUG_GRAPH_SHOW_ALL, fileName.toLatin1());
-#endif
+        GST_DEBUG_BIN_TO_DOT_FILE(GST_BIN(m_encodeBin), GST_DEBUG_GRAPH_SHOW_ALL, fileName.toLatin1());
     }
+#endif
 
     if (ok) {
         addAudioBufferProbe();
@@ -657,12 +657,12 @@ bool QGstreamerCaptureSession::rebuildGraph(QGstreamerCaptureSession::PipelineMo
 
 void QGstreamerCaptureSession::dumpGraph(const QString &fileName)
 {
-#if !(GST_DISABLE_GST_DEBUG) && (GST_VERSION_MAJOR >= 0) && (GST_VERSION_MINOR >= 10) && (GST_VERSION_MICRO >= 19)
-    _gst_debug_bin_to_dot_file(GST_BIN(m_pipeline),
-                               GstDebugGraphDetails(/*GST_DEBUG_GRAPH_SHOW_ALL |*/ GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE | GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS | GST_DEBUG_GRAPH_SHOW_STATES),
-                               fileName.toLatin1());
+#ifdef QT_GST_CAPTURE_DEBUG
+    GST_DEBUG_BIN_TO_DOT_FILE(GST_BIN(m_pipeline),
+                              GstDebugGraphDetails(/*GST_DEBUG_GRAPH_SHOW_ALL |*/ GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE | GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS | GST_DEBUG_GRAPH_SHOW_STATES),
+                              fileName.toLatin1());
 #else
-    Q_UNUSED(fileName);
+    Q_UNUSED(fileName)
 #endif
 }