GstQuery * decide_query, GstQuery * query)
{
GstGLUploadElement *upload = GST_GL_UPLOAD_ELEMENT (bt);
- GstGLContext *context = GST_GL_BASE_FILTER (bt)->context;
+ GstGLUpload *ul;
+ GstGLContext *context;
gboolean ret;
- if (!upload->upload)
+ GST_OBJECT_LOCK (upload);
+ if (!upload->upload) {
+ GST_OBJECT_UNLOCK (upload);
return FALSE;
- if (!context)
+ }
+ ul = gst_object_ref (upload->upload);
+ GST_OBJECT_UNLOCK (upload);
+
+ context = gst_gl_base_filter_get_gl_context (GST_GL_BASE_FILTER (bt));
+ if (!context) {
+ gst_object_unref (ul);
return FALSE;
+ }
- gst_gl_upload_set_context (upload->upload, context);
+ gst_gl_upload_set_context (ul, context);
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (bt,
decide_query, query);
- gst_gl_upload_propose_allocation (upload->upload, decide_query, query);
+ gst_gl_upload_propose_allocation (ul, decide_query, query);
+
+ gst_object_unref (ul);
+ gst_object_unref (context);
return ret;
}