GF_Err RP_InitStream(RTPStream *ch, Bool ResetOnly)
{
gf_rtp_depacketizer_reset(ch->depacketizer, !ResetOnly);
if (!ResetOnly) {
const char *ip_ifce = NULL;
u32 reorder_size = 0;
if (!ch->owner->transport_mode) {
const char *sOpt = gf_modules_get_option((GF_BaseInterface *) gf_term_get_service_interface(ch->owner->service), "Streaming", "ReorderSize");
if (sOpt) reorder_size = atoi(sOpt);
else reorder_size = 10;
ip_ifce = gf_modules_get_option((GF_BaseInterface *) gf_term_get_service_interface(ch->owner->service), "Network", "DefaultMCastInterface");
if (!ip_ifce) {
const char *mob_on = gf_modules_get_option((GF_BaseInterface *) gf_term_get_service_interface(ch->owner->service), "Network", "MobileIPEnabled");
if (mob_on && !strcmp(mob_on, "yes")) {
ip_ifce = gf_modules_get_option((GF_BaseInterface *) gf_term_get_service_interface(ch->owner->service), "Network", "MobileIP");
ch->flags |= RTP_MOBILEIP;
}
}
}
return gf_rtp_initialize(ch->rtp_ch, RTP_BUFFER_SIZE, 0, 0, reorder_size, 200, (char *)ip_ifce);
}
//just reset the sockets
gf_rtp_reset_buffers(ch->rtp_ch);
return GF_OK;
}
static GF_Err RP_ServiceCommand(GF_InputService *plug, GF_NetworkCommand *com)
{
RTPStream *ch;
RTPClient *priv = (RTPClient *)plug->priv;
if (com->command_type==GF_NET_SERVICE_HAS_AUDIO) {
u32 i;
for (i=0; i<gf_list_count(priv->channels); i++) {
ch = gf_list_get(priv->channels, i);
if (ch->depacketizer->sl_map.StreamType==GF_STREAM_AUDIO)
return GF_OK;
}
return GF_NOT_SUPPORTED;
}
if (com->command_type==GF_NET_SERVICE_MIGRATION_INFO) {
RP_SaveSessionState(priv);
priv->session_migration=1;
if (priv->session_state_data) {
com->migrate.data = priv->session_state_data;
com->migrate.data_len = strlen(priv->session_state_data);
return GF_OK;
}
return GF_NOT_SUPPORTED;
}
/*ignore commands other than channels one*/
if (!com->base.on_channel) {
if (com->command_type==GF_NET_IS_CACHABLE) return GF_OK;
return GF_NOT_SUPPORTED;
}
ch = RP_FindChannel(priv, com->base.on_channel, 0, NULL, 0);
if (!ch) return GF_STREAM_NOT_FOUND;
switch (com->command_type) {
case GF_NET_CHAN_SET_PULL:
if (ch->rtp_ch || ch->rtsp || !ch->control) return GF_NOT_SUPPORTED;
/*embedded channels work in pull mode*/
if (strstr(ch->control, "data:application/")) return GF_OK;
return GF_NOT_SUPPORTED;
case GF_NET_CHAN_INTERACTIVE:
/*looks like pure RTP / multicast etc, not interactive*/
if (!ch->control) return GF_NOT_SUPPORTED;
/*emulated broadcast mode*/
else if (ch->flags & RTP_FORCE_BROADCAST) return GF_NOT_SUPPORTED;
/*regular rtsp mode*/
else if (ch->flags & RTP_HAS_RANGE) return GF_OK;
/*embedded data*/
else if (strstr(ch->control, "application")) return GF_OK;
return GF_NOT_SUPPORTED;
case GF_NET_CHAN_BUFFER:
if (!(ch->rtp_ch || ch->rtsp || !ch->control)) {
com->buffer.max = com->buffer.min = 0;
} else {
const char *opt;
/*amount of buffering in ms*/
opt = gf_modules_get_option((GF_BaseInterface *)plug, "Network", "BufferLength");
com->buffer.max = opt ? atoi(opt) : 1000;
/*rebuffer low limit in ms - if the amount of buffering is less than this, rebuffering will never occur*/
opt = gf_modules_get_option((GF_BaseInterface *)plug, "Network", "RebufferLength");
if (opt) com->buffer.min = atoi(opt);
else com->buffer.min = 500;
if (com->buffer.min >= com->buffer.max ) com->buffer.min = 0;
}
return GF_OK;
case GF_NET_CHAN_DURATION:
com->duration.duration = (ch->flags & RTP_HAS_RANGE) ? (ch->range_end - ch->range_start) : 0;
return GF_OK;
/*RTP channel config is done upon connection, once the complete SL mapping is known
however we must store some info not carried in SDP*/
case GF_NET_CHAN_CONFIG:
if (com->cfg.frame_duration) ch->depacketizer->sl_hdr.au_duration = com->cfg.frame_duration;
ch->ts_res = com->cfg.sl_config.timestampResolution;
return GF_OK;
case GF_NET_CHAN_PLAY:
GF_LOG(GF_LOG_DEBUG, GF_LOG_RTP, ("[RTP] Processing play on channel @%08x - %s\n", ch, ch->rtsp ? "RTSP control" : "No control (RTP)" ));
/*is this RTSP or direct RTP?*/
ch->flags &= ~RTP_EOS;
if (ch->rtsp) {
if (ch->status==RTP_SessionResume) {
const char *opt = gf_modules_get_option((GF_BaseInterface *) plug, "Streaming", "SessionMigrationPause");
if (opt && !strcmp(opt, "yes")) {
ch->status = RTP_Connected;
com->play.start_range = ch->current_start;
} else {
ch->status = RTP_Running;
return GF_OK;
}
}
RP_UserCommand(ch->rtsp, ch, com);
} else {
ch->status = RTP_Running;
if (ch->rtp_ch) {
/*technically we shouldn't attempt to synchronize streams based on RTP, we should use RTCP/ However it
may happen that the RTCP traffic is absent ...*/
ch->check_rtp_time = RTP_SET_TIME_RTP;
ch->rtcp_init = 0;
gf_mx_p(priv->mx);
RP_InitStream(ch, (ch->flags & RTP_CONNECTED) ? 1 : 0);
gf_mx_v(priv->mx);
gf_rtp_set_info_rtp(ch->rtp_ch, 0, 0, 0);
} else {
/*direct channel, store current start*/
ch->current_start = com->play.start_range;
ch->flags |= GF_RTP_NEW_AU;
gf_rtp_depacketizer_reset(ch->depacketizer, 0);
}
}
return GF_OK;
case GF_NET_CHAN_STOP:
/*is this RTSP or direct RTP?*/
if (ch->rtsp) {
if (! ch->owner->session_migration) {
RP_UserCommand(ch->rtsp, ch, com);
}
} else {
ch->status = RTP_Connected;
ch->owner->last_ntp = 0;
}
ch->rtcp_init = 0;
return GF_OK;
case GF_NET_CHAN_SET_SPEED:
case GF_NET_CHAN_PAUSE:
case GF_NET_CHAN_RESUME:
assert(ch->rtsp);
RP_UserCommand(ch->rtsp, ch, com);
return GF_OK;
case GF_NET_CHAN_GET_DSI:
if (ch->depacketizer && ch->depacketizer->sl_map.configSize) {
com->get_dsi.dsi_len = ch->depacketizer->sl_map.configSize;
com->get_dsi.dsi = (char*)gf_malloc(sizeof(char)*com->get_dsi.dsi_len);
memcpy(com->get_dsi.dsi, ch->depacketizer->sl_map.config, sizeof(char)*com->get_dsi.dsi_len);
} else {
com->get_dsi.dsi = NULL;
com->get_dsi.dsi_len = 0;
}
return GF_OK;
case GF_NET_GET_STATS:
memset(&com->net_stats, 0, sizeof(GF_NetComStats));
if (ch->rtp_ch) {
u32 time;
Float bps;
com->net_stats.pck_loss_percentage = gf_rtp_get_loss(ch->rtp_ch);
if (ch->flags & RTP_INTERLEAVED) {
com->net_stats.multiplex_port = gf_rtsp_get_session_port(ch->rtsp->session);
com->net_stats.port = gf_rtp_get_low_interleave_id(ch->rtp_ch);
com->net_stats.ctrl_port = gf_rtp_get_hight_interleave_id(ch->rtp_ch);
} else {
com->net_stats.multiplex_port = 0;
gf_rtp_get_ports(ch->rtp_ch, &com->net_stats.port, &com->net_stats.ctrl_port);
}
if (ch->stat_stop_time) {
time = ch->stat_stop_time - ch->stat_start_time;
} else {
time = gf_sys_clock() - ch->stat_start_time;
}
bps = 8.0f * ch->rtp_bytes; bps *= 1000; bps /= time; com->net_stats.bw_down = (u32) bps;
bps = 8.0f * ch->rtcp_bytes; bps *= 1000; bps /= time; com->net_stats.ctrl_bw_down = (u32) bps;
bps = 8.0f * gf_rtp_get_tcp_bytes_sent(ch->rtp_ch); bps *= 1000; bps /= time; com->net_stats.ctrl_bw_up = (u32) bps;
}
return GF_OK;
}
return GF_NOT_SUPPORTED;
}
