GifState          274 libavcodec/gifdec.c     GifState *s = avctx->priv_data;
GifState          287 libavcodec/gifdec.c     GifState *s = avctx->priv_data;
GifState          319 libavcodec/gifdec.c     GifState *s = avctx->priv_data;
GifState          331 libavcodec/gifdec.c     sizeof(GifState),