ff_ffv1_close     148 libavcodec/ffv1.h int ff_ffv1_close(AVCodecContext *avctx);
ff_ffv1_close    1061 libavcodec/ffv1dec.c     .close          = ff_ffv1_close,
ff_ffv1_close    1282 libavcodec/ffv1enc.c     ff_ffv1_close(avctx);