static int rtp_mpegts_write_header(AVFormatContext *s) { struct MuxChain *chain = s->priv_data; AVFormatContext *mpegts_ctx = NULL, *rtp_ctx = NULL; AVOutputFormat *mpegts_format = av_guess_format("mpegts", NULL, NULL); AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL); int i, ret = AVERROR(ENOMEM); AVStream *st; if (!mpegts_format || !rtp_format) return AVERROR(ENOSYS); mpegts_ctx = avformat_alloc_context(); if (!mpegts_ctx) return AVERROR(ENOMEM); mpegts_ctx->oformat = mpegts_format; mpegts_ctx->max_delay = s->max_delay; for (i = 0; i < s->nb_streams; i++) { AVStream* st = avformat_new_stream(mpegts_ctx, NULL); if (!st) st->time_base = s->streams[i]->time_base; st->sample_aspect_ratio = s->streams[i]->sample_aspect_ratio; avcodec_parameters_copy(st->codecpar, s->streams[i]->codecpar); if ((ret = avio_open_dyn_buf(&mpegts_ctx->pb)) < 0) if ((ret = avformat_write_header(mpegts_ctx, NULL)) < 0) for (i = 0; i < s->nb_streams; i++) s->streams[i]->time_base = mpegts_ctx->streams[i]->time_base; chain->mpegts_ctx = mpegts_ctx; mpegts_ctx = NULL; rtp_ctx = avformat_alloc_context(); if (!rtp_ctx) { rtp_ctx->oformat = rtp_format; st = avformat_new_stream(rtp_ctx, NULL); st->time_base.num = 1; st->time_base.den = 90000; st->codecpar->codec_id = AV_CODEC_ID_MPEG2TS; rtp_ctx->pb = s->pb; if ((ret = avformat_write_header(rtp_ctx, NULL)) < 0) chain->rtp_ctx = rtp_ctx; return 0; fail: if (mpegts_ctx) { ffio_free_dyn_buf(&mpegts_ctx->pb); avformat_free_context(mpegts_ctx); if (rtp_ctx) avformat_free_context(rtp_ctx); rtp_mpegts_write_close(s); return ret;