Beispiel #1
0
static void link_session_and_fetch_conf(Nemesi_DemuxerStreamData * ndsd,
                                        Nemesi_SessionType stype,
                                        rtp_session * sess,
                                        rtp_buff * buff, unsigned int * fps)
{
    extern float force_fps;
    rtp_ssrc *ssrc;
    rtsp_ctrl * ctl = ndsd->rtsp;
    rtp_frame * fr = &ndsd->first_pkt[stype];
    rtp_buff trash_buff;

    ndsd->session[stype] = sess;

    if (buff == NULL)
        buff = &trash_buff;

    if ( (buff != NULL) || (fps != NULL) ) {
        rtp_fill_buffers(rtsp_get_rtp_th(ctl));
        for (ssrc = rtp_active_ssrc_queue(rtsp_get_rtp_queue(ctl));
             ssrc;
             ssrc = rtp_next_active_ssrc(ssrc)) {
            if (ssrc->rtp_sess == sess) {
                rtp_fill_buffer(ssrc, fr, buff);
                break;
            }
        }

        if ( (force_fps == 0.0) && (fps != NULL) ) {
            rtp_fill_buffers(rtsp_get_rtp_th(ctl));
            *fps = rtp_get_fps(ssrc);
        }
    }
}
Beispiel #2
0
int demux_rtp_fill_buffer(demuxer_t* demuxer, demux_stream_t* ds)
{
    Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
    Nemesi_SessionType stype;
    rtsp_ctrl * ctl = ndsd->rtsp;
    rtp_thread * rtp_th = rtsp_get_rtp_th(ctl);
    rtp_frame fr;

    demux_packet_t* dp;

    if ( (!ctl->rtsp_queue) || (demuxer->stream->eof) || (rtp_fill_buffers(rtp_th)) ) {
        mp_msg(MSGT_DEMUX, MSGL_INFO, "End of Stream...\n");
        demuxer->stream->eof = 1;
        return 0;
    }

    if (ds == demuxer->video)
        stype = NEMESI_SESSION_VIDEO;
    else if (ds == demuxer->audio)
        stype = NEMESI_SESSION_AUDIO;
    else
        return 0;

    if(!get_data_for_session(ndsd, stype, &fr)) {
        dp = new_demux_packet(fr.len);
        memcpy(dp->buffer, fr.data, fr.len);
        fr.time_sec += ndsd->seek;
        ndsd->time[stype] = dp->pts = fr.time_sec;
        ds_add_packet(ds, dp);
    }
    else {
        stype = (stype + 1) % 2;
        if (stype == NEMESI_SESSION_VIDEO)
            ds = demuxer->video;
        else
            ds = demuxer->audio;

        if(!get_data_for_session(ndsd, stype, &fr)) {
            dp = new_demux_packet(fr.len);
            memcpy(dp->buffer, fr.data, fr.len);
            fr.time_sec += ndsd->seek;
            ndsd->time[stype] = dp->pts = fr.time_sec;
            ds_add_packet(ds, dp);
        }
    }

    return 1;
}
Beispiel #3
0
static rtp_ssrc *wait_for_packets(Nemesi_DemuxerStreamData * ndsd, Nemesi_SessionType stype)
{
    rtp_ssrc *ssrc = NULL;

    /* Wait for prebuffering (prebuffering must be enabled in nemesi) */
    int terminated = rtp_fill_buffers(rtsp_get_rtp_th(ndsd->rtsp));

    /* Wait for the ssrc to be registered, if prebuffering is on in nemesi
       this will just get immediatly the correct ssrc */
    if (!terminated) {
        while ( !(ssrc = rtp_session_get_ssrc(ndsd->session[stype], ndsd->rtsp)) )
            sched_yield();
    }

    return ssrc;
}