On 10/24/2019 8:54 AM, Paul B Mahol wrote:
> +static int allocate_3dlut(AVFilterContext *ctx, int lutsize)
> +{
> + LUT3DContext *lut3d = ctx->priv;
> +
> + if (lutsize < 2 || lutsize > MAX_LEVEL) {
> + av_log(ctx, AV_LOG_ERROR, "Too large or invalid 3D LUT size\n");
> + return AVERROR(EINVAL);
> + }
> +
> + lut3d->lutsize = lutsize;
> + lut3d->lutsize2 = lutsize * lutsize;
> + lut3d->lut = av_malloc_array(lutsize * lutsize * lutsize,
> sizeof(*lut3d->lut));
> + if (!lut3d->lut)
> + return AVERROR(ENOMEM);
> + return 0;
> +}
If this is allocated several times per frame/stream and the size doesn't
change (Or rarely does), then you could use a buffer pool instead.
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