fix video stabilization in kdenlive

fix-vidstab-kdenlive

--- /tmp/kdenlive-0.9.10/src/project/projectlist.cpp    2014-10-05 10:55:35.000000000 +0100
+++ src/project/projectlist.cpp 2014-12-19 16:05:33.906585717 +0000
@@ -3648,9 +3648,10 @@
     // producer params
     preParams << jobParams.takeFirst();
     // filter name
-    preParams << jobParams.takeFirst();
+    QString filterName = jobParams.takeFirst();
+    preParams << filterName;
     // filter params
-    preParams << jobParams.takeFirst();
+    QString filterParams = jobParams.takeFirst();
     // consumer
     QString consumer = jobParams.takeFirst();
     
@@ -3667,11 +3668,25 @@
         }
         jobArgs << preParams;
         if (ids.count() == 1) {
-            jobArgs << consumer + ':' + destination;
+            // Append a 'filename' paramater for saving vidstab data
+            if (filterName == "vidstab") {
+                QString trffile = destination + ".trf";
+                jobArgs << filterParams + QString(" filename=%1").arg(trffile) << consumer + ':' + destination;
+            } else {
+                jobArgs << filterParams << consumer + ':' + destination;
+            }
         }
         else {
-            jobArgs << consumer + ':' + destination + item->clipUrl().fileName() + ".mlt";
+            QString mltfile = destination + item->clipUrl().fileName() + ".mlt";
+            if (filterName == "vidstab") {
+                QString trffile = mltfile + ".trf";
+                jobArgs << filterParams + QString(" filename=%1").arg(trffile) << consumer + ':' + mltfile;
+            } else {
+                jobArgs << filterParams << consumer + ':' + mltfile;
+            }
         }
+
+        kDebug() << jobArgs;
         jobArgs << jobParams;
         
         MeltJob *job = new MeltJob(item->clipType(), id, jobArgs, extraParams);

Context: https://forum.kde.org/viewtopic.php?f=265&t=124082