static int wv_read_header(AVFormatContext *s, AVFormatParameters *ap) { ByteIOContext *pb = s->pb; WVContext *wc = s->priv_data; AVStream *st; if(wv_read_block_header(s, pb) < 0) return -1; wc->block_parsed = 0; /* now we are ready: build format streams */ st = av_new_stream(s, 0); if (!st) return -1; st->codec->codec_type = CODEC_TYPE_AUDIO; st->codec->codec_id = CODEC_ID_WAVPACK; st->codec->channels = wc->chan; st->codec->sample_rate = wc->rate; st->codec->bits_per_coded_sample = wc->bpp; av_set_pts_info(st, 64, 1, wc->rate); s->start_time = 0; s->duration = (int64_t)wc->samples * AV_TIME_BASE / st->codec->sample_rate; if(!url_is_streamed(s->pb)) { int64_t cur = url_ftell(s->pb); ff_ape_parse_tag(s); if(!av_metadata_get(s->metadata, "", NULL, AV_METADATA_IGNORE_SUFFIX)) ff_id3v1_read(s); url_fseek(s->pb, cur, SEEK_SET); } return 0; }