timelinepipeline: make the caps from encoding profile writable

https://bugzilla.gnome.org/show_bug.cgi?id=703121

diff --git a/ges/ges-timeline-pipeline.c b/ges/ges-timeline-pipeline.c
index cfe06499a4114fd0c9e450004b0bba1d0f5b8601..0da779d95864975d9cc2c383f7bdb704340c0e77 100644 (file)
--- a/ges/ges-timeline-pipeline.c
+++ b/ges/ges-timeline-pipeline.c
@@ -396,6 +396,7 @@ ges_timeline_pipeline_update_caps (GESTimelinePipeline * self)
 
           GST_DEBUG ("Smart Render mode, setting input caps");
           ocaps = gst_encoding_profile_get_input_caps (prof);
+          ocaps = gst_caps_make_writable (ocaps);
           if (track->type == GES_TRACK_TYPE_AUDIO)
             rcaps = gst_caps_new_empty_simple ("audio/x-raw");
           else