32     AVFormatContext *rtpctx = NULL;  in ff_rtp_chain_mux_open()  local
44     rtpctx = avformat_alloc_context();  in ff_rtp_chain_mux_open()
45     if (!rtpctx) {  in ff_rtp_chain_mux_open()
50     rtpctx->oformat = rtp_format;  in ff_rtp_chain_mux_open()
51     if (!avformat_new_stream(rtpctx, NULL)) {  in ff_rtp_chain_mux_open()
56     rtpctx->interrupt_callback = s->interrupt_callback;  in ff_rtp_chain_mux_open()
58     rtpctx->max_delay = s->max_delay;  in ff_rtp_chain_mux_open()
60     rtpctx->streams[0]->sample_aspect_ratio = st->sample_aspect_ratio;  in ff_rtp_chain_mux_open()
61     rtpctx->flags |= s->flags & AVFMT_FLAG_BITEXACT;  in ff_rtp_chain_mux_open()
62     rtpctx->strict_std_compliance = s->strict_std_compliance;  in ff_rtp_chain_mux_open()
66         rtpctx->streams[0]->id =  in ff_rtp_chain_mux_open()
69         rtpctx->streams[0]->id = st->id;  in ff_rtp_chain_mux_open()
76     rtpctx->start_time_realtime = s->start_time_realtime;  in ff_rtp_chain_mux_open()
78     avcodec_parameters_copy(rtpctx->streams[0]->codecpar, st->codecpar);  in ff_rtp_chain_mux_open()
79     rtpctx->streams[0]->time_base = st->time_base;  in ff_rtp_chain_mux_open()
82         ret = ffio_fdopen(&rtpctx->pb, handle);  in ff_rtp_chain_mux_open()
86         ret = ffio_open_dyn_packet_buf(&rtpctx->pb, packet_size);  in ff_rtp_chain_mux_open()
88         ret = avformat_write_header(rtpctx, &opts);  in ff_rtp_chain_mux_open()
92         if (handle && rtpctx->pb) {  in ff_rtp_chain_mux_open()
93             avio_closep(&rtpctx->pb);  in ff_rtp_chain_mux_open()
94         } else if (rtpctx->pb) {  in ff_rtp_chain_mux_open()
95             ffio_free_dyn_buf(&rtpctx->pb);  in ff_rtp_chain_mux_open()
97         avformat_free_context(rtpctx);  in ff_rtp_chain_mux_open()
101     *out = rtpctx;  in ff_rtp_chain_mux_open()
105     avformat_free_context(rtpctx);  in ff_rtp_chain_mux_open()