+ hb_buffer_t * buf;
+
+ if ( pv->downmix )
+ {
+ pv->downmix_buffer = realloc(pv->downmix_buffer, nsamples * sizeof(hb_sample_t));
+
+ int i;
+ for( i = 0; i < nsamples; ++i )
+ {
+ pv->downmix_buffer[i] = buffer[i];
+ }
+
+ int n_ch_samples = nsamples / context->channels;
+ int channels = HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->config.out.mixdown);
+
+ buf = hb_buffer_init( n_ch_samples * channels * sizeof(float) );
+ hb_sample_t *samples = (hb_sample_t *)buf->data;
+ hb_downmix(pv->downmix, samples, pv->downmix_buffer, n_ch_samples);
+ }
+ else
+ {
+ buf = hb_buffer_init( nsamples * sizeof(float) );
+ float *fl32 = (float *)buf->data;
+ int i;
+ for( i = 0; i < nsamples; ++i )
+ {
+ fl32[i] = buffer[i];
+ }
+ int n_ch_samples = nsamples / context->channels;
+ hb_layout_remap( &hb_smpte_chan_map, &hb_qt_chan_map,
+ audio->config.in.channel_layout,
+ fl32, n_ch_samples );
+ }