static int source_config_props(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
Frei0rContext *s = ctx->priv;
if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
return AVERROR(EINVAL);
outlink->w = s->w;
outlink->h = s->h;
outlink->time_base = s->time_base;
outlink->frame_rate = av_inv_q(s->time_base);
if (s->destruct && s->instance)
s->destruct(s->instance);
if (!(s->instance = s->construct(outlink->w, outlink->h))) {
av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance.\n");
return AVERROR(EINVAL);
}
if (!s->params) {
av_log(ctx, AV_LOG_ERROR, "frei0r filter parameters not set.\n");
return AVERROR(EINVAL);
}
return set_params(ctx, s->params);
}
static int config_input_props(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
Frei0rContext *s = ctx->priv;
if (s->destruct && s->instance)
s->destruct(s->instance);
if (!(s->instance = s->construct(inlink->w, inlink->h))) {
av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance.\n");
return AVERROR(EINVAL);
}
return set_params(ctx, s->params);
}