Function decode_init

libavcodec/smacker.c:511–530

* * Init smacker decoder * */

 *
 */
static av_cold int decode_init(AVCodecContext *avctx)
{
    SmackVContext * const c = avctx->priv_data;

    c->avctx = avctx;

    avctx->pix_fmt = PIX_FMT_PAL8;


    /* decode huffman trees from extradata */
    if(avctx->extradata_size < 16){
        av_log(avctx, AV_LOG_ERROR, "Extradata missing!\n");
        return -1;
    }

    decode_header_trees(c);


    return 0;
}