+ const int16_t *samples = (const int16_t *)frame->data[0];
+ int nb_samples, out_size, ret;
+
+ out_size = (frame->nb_samples + 1) / 2;
+ if ((ret = ff_alloc_packet(avpkt, out_size))) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+ return ret;
+ }