static av_cold int dfa_decode_init(AVCodecContext *avctx) { DfaContext *s = avctx->priv_data; int ret; avctx->pix_fmt = PIX_FMT_PAL8; if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0) return ret; s->frame_buf = av_mallocz(avctx->width * avctx->height + AV_LZO_OUTPUT_PADDING); if (!s->frame_buf) return AVERROR(ENOMEM); return 0; }