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Code Issues Releases Activity

avfilter/vf_fieldmatch: fix more leaks

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This commit is contained in:
Paul B Mahol 2019-09-25 12:35:33 +02:00
parent 0d05aa052c
commit 2962101e40
1 changed files with 20 additions and 10 deletions
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30
libavfilter/vf_fieldmatch.c
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@ -679,7 +679,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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;
@ -725,16 +725,20 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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 */
@ -801,10 +805,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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 */
@ -819,7 +823,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
" 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)