void RP_ReadStream(RTPStream *ch)
{
u32 size, tot_size;
if (!ch->rtp_ch) return;
/*NOTE: A weird bug on windows wrt to select(): if both RTP and RTCP are in the same loop
there is a hudge packet drop on RTP. We therefore split RTP and RTCP reading, this is not a big
deal as the RTCP traffic is far less than RTP, and we should never have more than one RTCP
packet reading per RTP reading loop
NOTE2: a better implementation would be to use select() to get woken up...
*/
tot_size = 0;
while (1) {
size = gf_rtp_read_rtcp(ch->rtp_ch, ch->buffer, RTP_BUFFER_SIZE);
if (!size) break;
tot_size += size;
RP_ProcessRTCP(ch, ch->buffer, size);
}
while (1) {
size = gf_rtp_read_rtp(ch->rtp_ch, ch->buffer, RTP_BUFFER_SIZE);
if (!size) break;
tot_size += size;
RP_ProcessRTP(ch, ch->buffer, size);
}
/*and send the report*/
if (ch->flags & RTP_ENABLE_RTCP) gf_rtp_send_rtcp_report(ch->rtp_ch, SendTCPData, ch);
if (tot_size) ch->owner->udp_time_out = 0;
/*detect timeout*/
if (ch->owner->udp_time_out) {
if (!ch->last_udp_time) {
ch->last_udp_time = gf_sys_clock();
} else if (ch->rtp_ch->net_info.IsUnicast && !(ch->flags & RTP_MOBILEIP) ) {
u32 diff = gf_sys_clock() - ch->last_udp_time;
if (diff >= ch->owner->udp_time_out) {
char szMessage[1024];
GF_LOG(GF_LOG_WARNING, GF_LOG_RTP, ("[RTP] UDP Timeout after %d ms\n", diff));
sprintf(szMessage, "No data received in %d ms", diff);
gf_term_on_message(ch->owner->service, GF_IP_UDP_TIMEOUT, szMessage);
ch->status = RTP_Unavailable;
}
}
}
}
void RP_SendFailure(RTSPSession *sess, GF_RTSPCommand *com, GF_Err e)
{
char sMsg[1000];
sprintf(sMsg, "Cannot send %s", com->method);
gf_term_on_message(sess->owner->service, e, sMsg);
}
GF_EXPORT
void gf_term_download_update_stats(GF_DownloadSession * sess)
{
GF_ClientService *serv;
const char *szURI;
u32 total_size, bytes_done, net_status, bytes_per_sec;
if (!sess) return;
gf_dm_sess_get_stats(sess, NULL, &szURI, &total_size, &bytes_done, &bytes_per_sec, &net_status);
serv = (GF_ClientService *)gf_dm_sess_get_private(sess);
switch (net_status) {
case GF_NETIO_SETUP:
gf_term_on_message(serv, GF_OK, "Connecting");
break;
case GF_NETIO_CONNECTED:
gf_term_on_message(serv, GF_OK, "Connected");
break;
case GF_NETIO_WAIT_FOR_REPLY:
gf_term_on_message(serv, GF_OK, "Waiting for reply...");
break;
case GF_NETIO_PARSE_REPLY:
gf_term_on_message(serv, GF_OK, "Starting download...");
break;
case GF_NETIO_DATA_EXCHANGE:
/*notify some connection / ...*/
if (total_size) {
GF_Event evt;
evt.type = GF_EVENT_PROGRESS;
evt.progress.progress_type = 1;
evt.progress.service = szURI;
evt.progress.total = total_size;
evt.progress.done = bytes_done;
evt.progress.bytes_per_seconds = bytes_per_sec;
gf_term_send_event(serv->term, &evt);
}
GF_LOG(GF_LOG_DEBUG, GF_LOG_NETWORK, ("[HTTP] %s received %d / %d\n", szURI, bytes_done, total_size));
gf_term_service_media_event_with_download(serv->owner, GF_EVENT_MEDIA_PROGRESS, bytes_done, total_size, bytes_per_sec);
/*JLF fix this*/
if (0&& (serv->download_rebuffer || serv->auto_rebuffer) && serv->owner && !(serv->owner->flags & GF_ODM_DESTROYED) && serv->owner->duration) {
GF_Clock *ck = gf_odm_get_media_clock(serv->owner);
Double download_percent, playback_percent, adj_percent;
download_percent = 100 * bytes_done;
download_percent /= total_size;
playback_percent = 100 * serv->owner->current_time;
playback_percent /= serv->owner->duration;
if (serv->auto_rebuffer)
adj_percent = 0.0;
else
adj_percent = 100.0 * serv->download_rebuffer / serv->owner->duration;
if (playback_percent >= download_percent) {
if (gf_clock_is_started(ck)) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Played %d %% but downloaded %d %% - Pausing\n", (u32) playback_percent, (u32) download_percent));
if (!serv->is_paused) {
serv->is_paused = 1;
mediacontrol_pause(serv->owner);
}
gf_term_service_media_event(serv->owner, GF_EVENT_MEDIA_WAITING);
gf_term_on_message(serv, GF_OK, "HTTP Buffering ...");
}
} else if (playback_percent + adj_percent <= download_percent) {
Double time_to_play = 0;
Double time_to_download = 0;
/*automatic rebuffer: make sure we can finish playback before resuming*/
if (serv->auto_rebuffer) {
if (bytes_per_sec) {
time_to_download = 1000.0*(total_size - bytes_done);
time_to_download /= bytes_per_sec;
}
time_to_play = (Double) serv->owner->duration;
time_to_play -= serv->owner->current_time;
}
if ((time_to_download<=time_to_play) && !gf_clock_is_started(ck)) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Played %d %% and downloaded %d %% - Resuming\n", (u32) playback_percent, (u32) download_percent));
if (serv->auto_rebuffer) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Auto-rebuffer done: should be done downloading in %d ms and remains %d ms to play\n", (u32) time_to_download, (u32) (serv->owner->duration - serv->owner->current_time) ));
}
gf_term_service_media_event(serv->owner, GF_EVENT_MEDIA_PLAYING);
if (serv->is_paused) {
serv->is_paused = 0;
mediacontrol_resume(serv->owner);
}
gf_term_on_message(serv, GF_OK, "HTTP Resuming playback");
}
}
}
break;
case GF_NETIO_DATA_TRANSFERED:
gf_term_service_media_event(serv->owner, GF_EVENT_MEDIA_LOAD_DONE);
if (serv->owner && !(serv->owner->flags & GF_ODM_DESTROYED) && serv->owner->duration) {
GF_Clock *ck = gf_odm_get_media_clock(serv->owner);
if (!gf_clock_is_started(ck)) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Done retrieving file - resuming playback\n"));
if (serv->is_paused) {
serv->is_paused = 0;
mediacontrol_resume(serv->owner);
}
}
}
break;
}
}
void RP_SaveSessionState(RTPClient *rtp)
{
GF_Err e;
char *sdp_buf;
const char *opt;
GF_X_Attribute*att;
u32 i, j;
GF_SDPInfo *sdp;
RTSPSession *sess = NULL;
if (!rtp->session_state_data) return;
sdp_buf = rtp->session_state_data + strlen("data:application/sdp,");
sdp = gf_sdp_info_new();
e = gf_sdp_info_parse(sdp, sdp_buf, (u32) strlen(sdp_buf) );
for (i=0; i<gf_list_count(rtp->channels); i++) {
GF_SDPMedia *media = NULL;
RTPStream *ch = gf_list_get(rtp->channels, i);
if (!ch->control) continue;
for (j=0; j<gf_list_count(sdp->media_desc); j++) {
u32 k;
GF_SDPMedia *med = (GF_SDPMedia*)gf_list_get(sdp->media_desc, j);
for (k=0; k<gf_list_count(med->Attributes); k++) {
att = (GF_X_Attribute*)gf_list_get(med->Attributes, k);
if (!stricmp(att->Name, "control") && (strstr(att->Value, ch->control)!=NULL) ) {
media = med;
break;
}
}
if (media)
break;
}
if (!media) continue;
if (ch->rtp_ch->net_info.IsUnicast) {
char szPorts[4096];
u16 porta, portb;
media->PortNumber = ch->rtp_ch->net_info.client_port_first;
/*remove x-server-port extension*/
for (j=0; j<gf_list_count(media->Attributes); j++) {
att = (GF_X_Attribute*)gf_list_get(media->Attributes, j);
if (!stricmp(att->Name, "x-stream-state") ) {
gf_free(att->Name);
gf_free(att->Value);
gf_free(att);
gf_list_rem(media->Attributes, j);
}
}
ch->current_start += gf_rtp_get_current_time(ch->rtp_ch);
GF_SAFEALLOC(att, GF_X_Attribute);
att->Name = gf_strdup("x-stream-state");
porta = ch->rtp_ch->net_info.port_first ? ch->rtp_ch->net_info.port_first : ch->rtp_ch->net_info.client_port_first;
portb = ch->rtp_ch->net_info.port_last ? ch->rtp_ch->net_info.port_last : ch->rtp_ch->net_info.client_port_last;
sprintf(szPorts, "server-port=%d-%d;ssrc=%X;npt=%g;seq=%d;rtptime=%d",
porta,
portb,
ch->rtp_ch->SenderSSRC,
ch->current_start,
ch->rtp_ch->rtp_first_SN,
ch->rtp_ch->rtp_time
);
att->Value = gf_strdup(szPorts);
gf_list_add(media->Attributes, att);
if (ch->rtsp)
sess = ch->rtsp;
} else {
media->PortNumber = ch->rtp_ch->net_info.port_first;
}
}
/*remove x-server-port/x-session-id extension*/
for (j=0; j<gf_list_count(sdp->Attributes); j++) {
att = (GF_X_Attribute*)gf_list_get(sdp->Attributes, j);
if (!stricmp(att->Name, "x-session-id") || !stricmp(att->Name, "x-session-name")
) {
gf_free(att->Name);
gf_free(att->Value);
gf_free(att);
gf_list_rem(sdp->Attributes, j);
}
}
if (sess) {
char szURL[4096];
if (sess->session_id) {
GF_SAFEALLOC(att, GF_X_Attribute);
att->Name = gf_strdup("x-session-id");
att->Value = gf_strdup(sess->session_id);
gf_list_add(sdp->Attributes, att);
}
GF_SAFEALLOC(att, GF_X_Attribute);
att->Name = gf_strdup("x-session-name");
sprintf(szURL, "rtsp://%s:%d/%s", sess->session->Server, sess->session->Port, sess->session->Service);
att->Value = gf_strdup(szURL);
gf_list_add(sdp->Attributes, att);
}
gf_free(rtp->session_state_data);
sdp_buf = NULL;
gf_sdp_info_write(sdp, &sdp_buf);
if (sdp_buf) {
rtp->session_state_data = gf_malloc(sizeof(char) * (strlen("data:application/sdp,") + strlen(sdp_buf) + 1) );
strcpy(rtp->session_state_data, "data:application/sdp,");
strcat(rtp->session_state_data, sdp_buf);
gf_free(sdp_buf);
}
gf_sdp_info_del(sdp);
opt = (char *) gf_modules_get_option((GF_BaseInterface *) gf_term_get_service_interface(rtp->service), "Streaming", "SessionMigrationServer");
if (opt) {
if (rtp->dnload) gf_term_download_del(rtp->dnload);
rtp->dnload = NULL;
if (strnicmp(opt, "http://", 7)) {
rtp->dnload = gf_term_download_new(rtp->service, opt, GF_NETIO_SESSION_NOT_THREADED, MigrateSDP_NetIO, rtp);
while (1) {
char buffer[100];
u32 read;
e = gf_dm_sess_fetch_data(rtp->dnload, buffer, 100, &read);
if (e && (e!=GF_IP_NETWORK_EMPTY)) break;
}
gf_term_download_del(rtp->dnload);
rtp->dnload = NULL;
} else {
FILE *f = gf_f64_open(opt, "wt");
if (f) {
sdp_buf = rtp->session_state_data + strlen("data:application/sdp,");
gf_fwrite(sdp_buf, 1, strlen(sdp_buf), f);
fclose(f);
} else {
e = GF_IO_ERR;
}
}
if (e<0) {
gf_term_on_message(sess->owner->service, e, "Error saving session state");
}
}
}
