static av_cold int common_init(AVCodecContext *avctx){ FFV1Context *s = avctx->priv_data; s->avctx= avctx; s->flags= avctx->flags; avcodec_get_frame_defaults(&s->picture); ff_dsputil_init(&s->dsp, avctx); s->width = avctx->width; s->height= avctx->height; assert(s->width && s->height); //defaults s->num_h_slices=1; s->num_v_slices=1; return 0; }