+
+ if (avctx->codec_id == CODEC_ID_ADPCM_SWF)
+ pkt_size = (2 + avctx->channels * (22 + 4 * (frame->nb_samples - 1)) + 7) / 8;
+ else
+ pkt_size = avctx->block_align;
+ if ((ret = ff_alloc_packet(avpkt, pkt_size))) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+ return ret;
+ }
+ dst = avpkt->data;