+ if (roq->video_stream_index == -1) {
+ AVStream *st = avformat_new_stream(s, NULL);
+ if (!st)
+ return AVERROR(ENOMEM);
+ avpriv_set_pts_info(st, 63, 1, roq->frame_rate);
+ roq->video_stream_index = st->index;
+ st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
+ st->codec->codec_id = CODEC_ID_ROQ;
+ st->codec->codec_tag = 0; /* no fourcc */
+