-int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
- const char *load_plugins);
+enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct);
+
+int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
+ const char *load_plugins, int gpu_copy);
+
+int ff_qsv_close_internal_session(QSVSession *qs);