glimagesink: wait on the provided sync meta provided to glimagesink

diff --git a/ext/gl/gstglimagesink.c b/ext/gl/gstglimagesink.c
index b6a78ec..a84ab36 100644 (file)
--- a/ext/gl/gstglimagesink.c
+++ b/ext/gl/gstglimagesink.c
@@ -1386,6 +1386,7 @@ static GstFlowReturn
 gst_glimage_sink_prepare (GstBaseSink * bsink, GstBuffer * buf)
 {
   GstGLImageSink *glimage_sink;
+  GstGLSyncMeta *sync_meta;
   GstBuffer **target;
   GstBuffer *old_input;
 
@@ -1414,6 +1415,10 @@ gst_glimage_sink_prepare (GstBaseSink * bsink, GstBuffer * buf)
   if (glimage_sink->output_mode_changed)
     update_output_format (glimage_sink);
 
+  sync_meta = gst_buffer_get_gl_sync_meta (buf);
+  if (sync_meta)
+    gst_gl_sync_meta_wait (sync_meta, glimage_sink->context);
+
   if (!prepare_next_buffer (glimage_sink)) {
     GST_GLIMAGE_SINK_UNLOCK (glimage_sink);
     if (old_input)