planes = av_sample_fmt_is_planar(src->format) ? nb_channels : 1;
if (planes > FF_ARRAY_ELEMS(dst->data)) {
- dst->extended_data = av_mallocz(planes * sizeof(*dst->extended_data));
+ dst->extended_data = av_mallocz_array(planes, sizeof(*dst->extended_data));
if (!dst->extended_data)
return AVERROR(ENOMEM);
memcpy(dst->extended_data, src->extended_data,