- s->channels = av_mallocz(sizeof(*s->channels) * s->nb_channels);
- s->buffers = av_mallocz(sizeof(*s->buffers) * s->nb_channels);
- s->input_frames = av_mallocz(sizeof(*s->input_frames) * s->inputs);
+ s->channels = av_mallocz_array(s->nb_channels, sizeof(*s->channels));
+ s->buffers = av_mallocz_array(s->nb_channels, sizeof(*s->buffers));
+ s->input_frames = av_mallocz_array(s->inputs, sizeof(*s->input_frames));