Function me_cmp_init

libavcodec/mpegvideo_enc.c:330–370

}

static av_cold int me_cmp_init(MPVMainEncContext *const m, AVCodecContext *avctx)
{
    MPVEncContext *const s = &m->s;
    MECmpContext mecc;
    me_cmp_func me_cmp[6];
    int ret;

    ff_me_cmp_init(&mecc, avctx);
    ret = ff_me_init(&s->me, avctx, &mecc, 1);
    if (ret < 0)
        return ret;
    ret = ff_set_cmp(&mecc, me_cmp, m->frame_skip_cmp, 1);
    if (ret < 0)
        return ret;
    m->frame_skip_cmp_fn = me_cmp[1];
    if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
        ret = ff_set_cmp(&mecc, me_cmp, avctx->ildct_cmp, 1);
        if (ret < 0)
            return ret;
        if (!me_cmp[0] || !me_cmp[4])
            return AVERROR(EINVAL);
        s->ildct_cmp[0] = me_cmp[0];
        s->ildct_cmp[1] = me_cmp[4];
    }

    s->sum_abs_dctelem = mecc.sum_abs_dctelem;

    s->sse_cmp[0] = mecc.sse[0];
    s->sse_cmp[1] = mecc.sse[1];
    s->sad_cmp[0] = mecc.sad[0];
    s->sad_cmp[1] = mecc.sad[1];
    if (avctx->mb_cmp == FF_CMP_NSSE) {
        s->n_sse_cmp[0] = mecc.nsse[0];
        s->n_sse_cmp[1] = mecc.nsse[1];
    } else {
        s->n_sse_cmp[0] = mecc.sse[0];
        s->n_sse_cmp[1] = mecc.sse[1];
    }

    return 0;
}

#define ALLOCZ_ARRAYS(p, mult, numb) ((p) = av_calloc(numb, mult * sizeof(*(p))))
static av_cold int init_matrices(MPVMainEncContext *const m, AVCodecContext *avctx)