+static int dv_init_demux(AVFormatContext *s, DVDemuxContext *c)
+{
+ c->vst = avformat_new_stream(s, NULL);
+ if (!c->vst)
+ return AVERROR(ENOMEM);
+
+ c->fctx = s;
+ c->vst->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
+ c->vst->codecpar->codec_id = AV_CODEC_ID_DVVIDEO;
+ c->vst->codecpar->bit_rate = 25000000;
+ c->vst->start_time = 0;
+
+ return 0;
+}
+