int ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p) { int ret = 0; if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) { AVIOContext pb; RTSPState *rt = s->priv_data; AVDictionary *opts = NULL; int len = strlen(p) * 6 / 8; char *buf = av_mallocz(len); AVInputFormat *iformat; if (!buf) return AVERROR(ENOMEM); av_base64_decode(buf, p, len); if (rtp_asf_fix_header(buf, len) < 0) av_log(s, AV_LOG_ERROR, "Failed to fix invalid RTSP-MS/ASF min_pktsize\n"); init_packetizer(&pb, buf, len); if (rt->asf_ctx) { avformat_close_input(&rt->asf_ctx); } if (!(iformat = av_find_input_format("asf"))) return AVERROR_DEMUXER_NOT_FOUND; rt->asf_ctx = avformat_alloc_context(); if (!rt->asf_ctx) { av_free(buf); return AVERROR(ENOMEM); } rt->asf_ctx->pb = &pb; av_dict_set(&opts, "no_resync_search", "1", 0); if ((ret = ff_copy_whiteblacklists(rt->asf_ctx, s)) < 0) { av_dict_free(&opts); return ret; } ret = avformat_open_input(&rt->asf_ctx, "", iformat, &opts); av_dict_free(&opts); if (ret < 0) { av_free(buf); return ret; } av_dict_copy(&s->metadata, rt->asf_ctx->metadata, 0); rt->asf_pb_pos = avio_tell(&pb); av_free(buf); rt->asf_ctx->pb = NULL; } return ret; }