add a `linphone_call_ogl_render` to use `MSOGL` ms filter

coreapi/linphonecall.c

@@ -5060,3 +5060,10 @@ void linphone_call_replace_op(LinphoneCall *call, SalOp *op) {
 	}
 	sal_op_release(oldop);
 }
+
+void linphone_call_ogl_render(LinphoneCall *call) {
+	VideoStream *stream = call->videostream;
+
+	if (stream && stream->output && ms_filter_get_id(stream->output) == MS_OGL_ID)
+		ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_CALL_GENERIC_RENDER, NULL);
+}

include/linphone/call.h

@@ -567,6 +567,12 @@ LINPHONE_PUBLIC LinphonePlayer * linphone_call_get_player(LinphoneCall *call);
 **/
 LINPHONE_PUBLIC bool_t linphone_call_media_in_progress(LinphoneCall *call);
 
+/**
+ * Call generic OpenGL render for a given call.
+ * @param call The call.
+ */
+LINPHONE_PUBLIC void linphone_call_ogl_render(LinphoneCall *call);
+
 /**
  * @}
  */