- if (tctx->avctx->channels == 2) {
- tctx->dsp.butterflies_float_interleave(out, prev_buf,
- &prev_buf[2*mtab->size],
- size1);
-
- out += 2 * size1;
-
- tctx->dsp.butterflies_float_interleave(out, tctx->curr_frame,
- &tctx->curr_frame[2*mtab->size],
- size2);
- } else {
- memcpy(out, prev_buf, size1 * sizeof(*out));