static timestamp_t
playout_constraints_component(session_t *sp, pdb_entry_t *e)
/*****************************************************************************/
/* playout_variable component works out the variable components that RAT has */
/* in it's playout calculation. It works returns the maximum of: */
/* the interpacket gap, the cushion size, and the user requested limits on */
/* the playout point. */
/*****************************************************************************/
{
uint32_t var32, cushion;
var32 = e->inter_pkt_gap / 2;
cushion = cushion_get_size(sp->cushion);
/* Cushion is measured in samples at device clock rate,
* convert to source clock rate */
cushion = cushion * e->sample_rate / ts_get_freq(sp->cur_ts);
var32 = max(cushion, var32);
if (sp->limit_playout) {
uint32_t minv, maxv;
minv = sp->min_playout * e->sample_rate / 1000;
maxv = sp->max_playout * e->sample_rate / 1000;
var32 = max(minv, var32);
var32 = min(maxv, var32);
}
return ts_map32(e->sample_rate, var32);
}
static void
process_create(session_t *sp, uint32_t ssrc)
{
if (log_fp != 0)
{
struct timeval tv;
gettimeofday(&tv, 0);
fprintf(log_fp, "%d.%06d %d create %x \n", (int) tv.tv_sec, (int) tv.tv_usec,
(int) rtp_get_ssrc_count(sp->rtp_session[0]),
(int) ssrc);
fflush(log_fp);
}
if (pdb_item_create(sp->pdb, (uint16_t)ts_get_freq(sp->cur_ts), ssrc) == FALSE) {
debug_msg("Unable to create source 0x%08lx\n", ssrc);
}
}