s->bps = avctx->bits_per_raw_sample >> 3;
avctx->frame_size = 256 * avctx->sample_rate / 245;
- s->ch_ctx = av_malloc(avctx->channels * sizeof(*s->ch_ctx));
+ s->ch_ctx = av_malloc_array(avctx->channels, sizeof(*s->ch_ctx));
if (!s->ch_ctx)
return AVERROR(ENOMEM);