static av_cold int mss1_decode_init(AVCodecContext *avctx) { MSS1Context * const c = avctx->priv_data; int ret; c->ctx.avctx = avctx; c->pic = av_frame_alloc(); if (!c->pic) return AVERROR(ENOMEM); ret = ff_mss12_decode_init(&c->ctx, 0, &c->sc, NULL); avctx->pix_fmt = AV_PIX_FMT_PAL8; return ret; }