block = s->block[ch] + s->part_index * s->block_size;
memset(block, 0, sizeof(*block) * s->fft_length);
- s->fdsp->vector_fmul_scalar(block, src, s->dry_gain, FFALIGN(s->nb_samples, 4));
+ s->fdsp->vector_fmul_scalar(block, src, s->dry_gain, FFALIGN(out->nb_samples, 4));
emms_c();
av_rdft_calc(s->rdft[ch], block);
AVFilterContext *ctx = outlink->src;
AVFrame *out = NULL;
- s->nb_samples = in->nb_samples;
-
- out = ff_get_audio_buffer(outlink, s->nb_samples);
+ out = ff_get_audio_buffer(outlink, in->nb_samples);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);