av_md5_final(s->md5ctx, s->md5sum);
write_streaminfo(s, avctx->extradata);
+#if FF_API_SIDEDATA_ONLY_PKT
+FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->side_data_only_packets && !s->flushed) {
+FF_ENABLE_DEPRECATION_WARNINGS
+#else
+ if (!s->flushed) {
+#endif
uint8_t *side_data = av_packet_new_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA,
avctx->extradata_size);
if (!side_data)