+VFrame *FFMPEG::new_cache_frame(VFrame *vframe, int64_t position)
+{
+ return file_base->file->new_cache_frame(vframe, position, 0);
+}
+
+void FFMPEG::put_cache_frame()
+{
+ return file_base->file->put_cache_frame();
+}
+
+int FFMPEG::get_use_cache()
+{
+ return file_base->file->get_use_cache();
+}
+
+void FFMPEG::purge_cache()
+{
+ file_base->file->purge_cache();
+}
+