AVFilterLink *outlink = ctx->outputs[0];
FieldMatchContext *fm = ctx->priv;
int combs[] = { -1, -1, -1, -1, -1 };
- int order, field, i, match, sc = 0;
+ int order, field, i, match, sc = 0, ret = 0;
const int *fxo;
AVFrame *gen_frames[] = { NULL, NULL, NULL, NULL, NULL };
AVFrame *dst;
if (i > mN && fm->combdbg == COMBDBG_PCN)
break;
gen_frames[i] = create_weave_frame(ctx, i, field, fm->prv, fm->src, fm->nxt);
- if (!gen_frames[i])
- return AVERROR(ENOMEM);
+ if (!gen_frames[i]) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
combs[i] = calc_combed_score(fm, gen_frames[i]);
}
av_log(ctx, AV_LOG_INFO, "COMBS: %3d %3d %3d %3d %3d\n",
combs[0], combs[1], combs[2], combs[3], combs[4]);
} else {
gen_frames[mC] = av_frame_clone(fm->src);
- if (!gen_frames[mC])
- return AVERROR(ENOMEM);
+ if (!gen_frames[mC]) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
}
/* p/c selection and optional 3-way p/c/n matches */
gen_frames[match] = NULL;
}
}
- if (!dst)
- return AVERROR(ENOMEM);
- for (i = 0; i < FF_ARRAY_ELEMS(gen_frames); i++)
- av_frame_free(&gen_frames[i]);
+ if (!dst) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
/* mark the frame we are unable to match properly as interlaced so a proper
* de-interlacer can take the relay */
" match=%d combed=%s\n", sc, combs[0], combs[1], combs[2], combs[3], combs[4],
fm->combpel, match, dst->interlaced_frame ? "YES" : "NO");
- return ff_filter_frame(outlink, dst);
+fail:
+ for (i = 0; i < FF_ARRAY_ELEMS(gen_frames); i++)
+ av_frame_free(&gen_frames[i]);
+
+ if (ret >= 0)
+ return ff_filter_frame(outlink, dst);
+ return ret;
}
static int activate(AVFilterContext *ctx)
int ret = 0, status;
int64_t pts;
+ FF_FILTER_FORWARD_STATUS_BACK_ALL(ctx->outputs[0], ctx);
+
if ((fm->got_frame[INPUT_MAIN] == 0) &&
(ret = ff_inlink_consume_frame(ctx->inputs[INPUT_MAIN], &frame)) > 0) {
ret = filter_frame(ctx->inputs[INPUT_MAIN], frame);
fm->tpitchy = FFALIGN(w, 16);
fm->tpitchuv = FFALIGN(w >> 1, 16);
- fm->tbuffer = av_malloc(h/2 * fm->tpitchy);
+ fm->tbuffer = av_calloc((h/2 + 4) * fm->tpitchy, sizeof(*fm->tbuffer));
fm->c_array = av_malloc((((w + fm->blockx/2)/fm->blockx)+1) *
(((h + fm->blocky/2)/fm->blocky)+1) *
4 * sizeof(*fm->c_array));