qmlglsrc: sync on the streaming thread

[platform/upstream/gstreamer.git] / subprojects / gst-plugins-good / ext / qt / gstqtsrc.cc

diff --git a/subprojects/gst-plugins-good/ext/qt/gstqtsrc.cc b/subprojects/gst-plugins-good/ext/qt/gstqtsrc.cc
index a405172..159d6ef 100644 (file)
--- a/subprojects/gst-plugins-good/ext/qt/gstqtsrc.cc
+++ b/subprojects/gst-plugins-good/ext/qt/gstqtsrc.cc
@@ -434,6 +434,8 @@ static GstFlowReturn
 gst_qt_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
 {
   GstQtSrc *qt_src = GST_QT_SRC (psrc);
+  GstGLContext* context = qt_src->context;
+  GstGLSyncMeta *sync_meta;
 
   GST_DEBUG_OBJECT (qt_src, "setting buffer %p", buffer);
 
@@ -442,6 +444,10 @@ gst_qt_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
     return GST_FLOW_ERROR;
   }
 
+  sync_meta = gst_buffer_get_gl_sync_meta(buffer);
+  if (sync_meta)
+      gst_gl_sync_meta_wait(sync_meta, context);
+
   if (!qt_src->downstream_supports_affine_meta) {
     if (qt_src->pending_image_orientation) {
       /* let downstream know the image orientation is vertical filp */