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_service_get_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_service_get_interface(ch->owner->service), "Network", "DefaultMCastInterface");
if (!ip_ifce) {
const char *mob_on = gf_modules_get_option((GF_BaseInterface *) gf_service_get_interface(ch->owner->service), "Network", "MobileIPEnabled");
if (mob_on && !strcmp(mob_on, "yes")) {
ip_ifce = gf_modules_get_option((GF_BaseInterface *) gf_service_get_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;
}
RTSPSession *RP_NewSession(RTPClient *rtp, char *session_control)
{
char *szCtrl, *szExt;
RTSPSession *tmp;
GF_RTSPSession *rtsp;
if (!session_control) return NULL;
/*little fix: some servers don't understand DESCRIBE URL/trackID=, so remove the trackID...*/
szCtrl = gf_strdup(session_control);
szExt = szCtrl ? strrchr(szCtrl, '.') : NULL;
if (szExt) {
szExt = strchr(szExt, '/');
if (szExt) {
if (!strnicmp(szExt+1, "trackID=", 8) || !strnicmp(szExt+1, "ESID=", 5) || !strnicmp(szExt+1, "ES_ID=", 6)) szExt[0] = 0;
}
}
rtsp = gf_rtsp_session_new(szCtrl, rtp->default_port);
gf_free(szCtrl);
if (!rtsp) return NULL;
GF_SAFEALLOC(tmp, RTSPSession);
tmp->owner = rtp;
tmp->session = rtsp;
szCtrl = (char *)gf_modules_get_option((GF_BaseInterface *) gf_service_get_interface(rtp->service), "Network", "MobileIPEnabled");
if (szCtrl && !strcmp(szCtrl, "yes")) {
char *ip = (char *)gf_modules_get_option((GF_BaseInterface *) gf_service_get_interface(rtp->service), "Network", "MobileIP");
gf_rtsp_set_mobile_ip(rtsp, ip);
}
if (rtp->transport_mode) {
gf_rtsp_set_buffer_size(rtsp, RTSP_TCP_BUFFER_SIZE);
} else {
gf_rtsp_set_buffer_size(rtsp, RTSP_BUFFER_SIZE);
}
tmp->rtsp_commands = gf_list_new();
tmp->rtsp_rsp = gf_rtsp_response_new();
gf_list_add(rtp->sessions, tmp);
return tmp;
}
void SDP_NetIO(void *cbk, GF_NETIO_Parameter *param)
{
GF_Err e;
RTPClient *rtp = (RTPClient *)cbk;
SDPFetch *sdp = rtp->sdp_temp;
gf_service_download_update_stats(rtp->dnload);
e = param->error;
switch (param->msg_type) {
case GF_NETIO_GET_METHOD:
if (sdp->original_url)
param->name = "POST";
return;
case GF_NETIO_GET_CONTENT:
if (sdp->original_url) {
char szBody[4096], *opt;
opt = (char *) gf_modules_get_option((GF_BaseInterface *) gf_service_get_interface(rtp->service), "Network", "MobileIP");
sprintf(szBody, "ipadd\n%s\n\nurl\n%s\n\n", opt, sdp->original_url);
param->data = szBody;
param->size = (u32) strlen(szBody);
}
return;
case GF_NETIO_DATA_TRANSFERED:
if (sdp->original_url) {
u32 sdp_size;
e = gf_dm_sess_get_stats(rtp->dnload, NULL, NULL, &sdp_size, NULL, NULL, NULL);
if (sdp_size) {
const char *szFile = gf_dm_sess_get_cache_name(rtp->dnload);
if (!szFile) {
e = GF_SERVICE_ERROR;
} else {
e = GF_OK;
RP_SDPFromFile(rtp, (char *) szFile, sdp->chan);
gf_free(sdp->remote_url);
if (sdp->original_url) gf_free(sdp->original_url);
gf_free(sdp);
rtp->sdp_temp = NULL;
return;
}
}
}
break;
default:
if (e == GF_OK) return;
}
if (sdp->original_url) {
char *url = sdp->original_url;
gf_free(sdp->remote_url);
gf_free(sdp);
rtp->sdp_temp = NULL;
RP_SendMessage(rtp->service, e, "Error fetching session state - restarting");
RP_ConnectServiceEx(gf_service_get_interface(rtp->service), rtp->service, url, GF_TRUE);
gf_free(url);
return;
}
/*error*/
if (sdp->chan) {
gf_service_connect_ack(rtp->service, sdp->chan->channel, e);
} else {
gf_service_connect_ack(rtp->service, NULL, e);
rtp->sdp_temp = NULL;
}
gf_free(sdp->remote_url);
if (sdp->original_url) gf_free(sdp->original_url);
gf_free(sdp);
rtp->sdp_temp = NULL;
}
void isor_declare_objects(ISOMReader *read)
{
GF_ObjectDescriptor *od;
GF_ESD *esd;
const char *tag;
u32 i, count, ocr_es_id, tlen, base_track, j, track_id;
Bool highest_stream;
ocr_es_id = 0;
/*TODO check for alternate tracks*/
count = gf_isom_get_track_count(read->mov);
for (i=0; i<count; i++) {
if (!gf_isom_is_track_enabled(read->mov, i+1))
continue;
switch (gf_isom_get_media_type(read->mov, i+1)) {
case GF_ISOM_MEDIA_AUDIO:
case GF_ISOM_MEDIA_VISUAL:
case GF_ISOM_MEDIA_TEXT:
case GF_ISOM_MEDIA_SUBT:
case GF_ISOM_MEDIA_SCENE:
case GF_ISOM_MEDIA_SUBPIC:
break;
default:
continue;
}
//some subtypes are not declared as readable objects
switch (gf_isom_get_media_subtype(read->mov, i+1, 1)) {
case GF_ISOM_SUBTYPE_HVT1:
continue;
default:
break;
}
/*we declare only the highest video track (i.e the track we play)*/
highest_stream = GF_TRUE;
track_id = gf_isom_get_track_id(read->mov, i+1);
if (read->play_only_track_id && (read->play_only_track_id != track_id)) continue;
for (j = 0; j < count; j++) {
if (gf_isom_has_track_reference(read->mov, j+1, GF_ISOM_REF_SCAL, track_id) > 0) {
highest_stream = GF_FALSE;
break;
}
}
if ((gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_VISUAL) && !highest_stream)
continue;
esd = gf_media_map_esd(read->mov, i+1);
if (esd) {
gf_isom_get_reference(read->mov, i+1, GF_ISOM_REF_BASE, 1, &base_track);
esd->has_ref_base = base_track ? GF_TRUE : GF_FALSE;
if (!esd->langDesc) {
esd->langDesc = (GF_Language *) gf_odf_desc_new(GF_ODF_LANG_TAG);
gf_isom_get_media_language(read->mov, i+1, &esd->langDesc->full_lang_code);
}
od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG);
od->service_ifce = read->input;
od->objectDescriptorID = 0;
if (!ocr_es_id) ocr_es_id = esd->ESID;
esd->OCRESID = ocr_es_id;
gf_list_add(od->ESDescriptors, esd);
if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) {
send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, (GF_Descriptor*)od, NULL);
} else {
gf_service_declare_media(read->service, (GF_Descriptor*)od, GF_TRUE);
}
}
}
/*if cover art, extract it in cache*/
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COVER_ART, &tag, &tlen)==GF_OK) {
const char *cdir = gf_modules_get_option((GF_BaseInterface *)gf_service_get_interface(read->service), "General", "CacheDirectory");
if (cdir) {
char szName[GF_MAX_PATH];
const char *sep;
FILE *t;
sep = strrchr(gf_isom_get_filename(read->mov), '\\');
if (!sep) sep = strrchr(gf_isom_get_filename(read->mov), '/');
if (!sep) sep = gf_isom_get_filename(read->mov);
if ((cdir[strlen(cdir)-1] != '\\') && (cdir[strlen(cdir)-1] != '/')) {
sprintf(szName, "%s/%s_cover.%s", cdir, sep, (tlen & 0x80000000) ? "png" : "jpg");
} else {
sprintf(szName, "%s%s_cover.%s", cdir, sep, (tlen & 0x80000000) ? "png" : "jpg");
}
t = gf_fopen(szName, "wb");
if (t) {
Bool isom_contains_video = GF_FALSE;
/*write cover data*/
assert(!(tlen & 0x80000000));
gf_fwrite(tag, tlen & 0x7FFFFFFF, 1, t);
gf_fclose(t);
/*don't display cover art when video is present*/
for (i=0; i<gf_isom_get_track_count(read->mov); i++) {
if (!gf_isom_is_track_enabled(read->mov, i+1))
continue;
if (gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_VISUAL) {
isom_contains_video = GF_TRUE;
break;
}
}
if (!isom_contains_video) {
od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG);
od->service_ifce = read->input;
od->objectDescriptorID = GF_MEDIA_EXTERNAL_ID;
od->URLString = gf_strdup(szName);
if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) {
send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, (GF_Descriptor*)od, NULL);
} else {
gf_service_declare_media(read->service, (GF_Descriptor*)od, GF_TRUE);
}
}
}
}
}
if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) {
send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, NULL, NULL);
} else {
gf_service_declare_media(read->service, NULL, GF_FALSE);
}
}
RTPStream *RP_NewStream(RTPClient *rtp, GF_SDPMedia *media, GF_SDPInfo *sdp, RTPStream *input_stream)
{
GF_RTSPRange *range;
RTPStream *tmp;
GF_RTPMap *map;
u32 i, ESID, ODID, ssrc, rtp_seq, rtp_time;
Bool force_bcast = 0;
Double Start, End;
Float CurrentTime;
u16 rvc_predef = 0;
char *rvc_config_att = NULL;
u32 s_port_first, s_port_last;
GF_X_Attribute *att;
Bool is_migration = 0;
char *ctrl;
GF_SDPConnection *conn;
GF_RTSPTransport trans;
u32 mid, prev_stream, base_stream;
//extract all relevant info from the GF_SDPMedia
Start = 0.0;
End = -1.0;
CurrentTime = 0.0f;
ODID = 0;
ESID = 0;
ctrl = NULL;
range = NULL;
s_port_first = s_port_last = 0;
ssrc = rtp_seq = rtp_time = 0;
mid = prev_stream = base_stream = 0;
i=0;
while ((att = (GF_X_Attribute*)gf_list_enum(media->Attributes, &i))) {
if (!stricmp(att->Name, "control")) ctrl = att->Value;
else if (!stricmp(att->Name, "gpac-broadcast")) force_bcast = 1;
else if (!stricmp(att->Name, "mpeg4-esid") && att->Value) ESID = atoi(att->Value);
else if (!stricmp(att->Name, "mpeg4-odid") && att->Value) ODID = atoi(att->Value);
else if (!stricmp(att->Name, "range") && !range) range = gf_rtsp_range_parse(att->Value);
else if (!stricmp(att->Name, "x-stream-state") ) {
sscanf(att->Value, "server-port=%u-%u;ssrc=%X;npt=%g;seq=%u;rtptime=%u",
&s_port_first, &s_port_last, &ssrc, &CurrentTime, &rtp_seq, &rtp_time);
is_migration = 1;
}
else if (!stricmp(att->Name, "x-server-port") ) {
sscanf(att->Value, "%u-%u", &s_port_first, &s_port_last);
} else if (!stricmp(att->Name, "rvc-config-predef")) {
rvc_predef = atoi(att->Value);
} else if (!stricmp(att->Name, "rvc-config")) {
rvc_config_att = att->Value;
} else if (!stricmp(att->Name, "mid")) {
sscanf(att->Value, "L%d", &mid);
} else if (!stricmp(att->Name, "depend")) {
char buf[3000];
memset(buf, 0, 3000);
sscanf(att->Value, "%*d lay L%d %*s %s", &base_stream, buf);
if (!strlen(buf))
sscanf(att->Value, "%*d lay %s", buf);
sscanf(buf, "L%d", &prev_stream);
}
}
if (range) {
Start = range->start;
End = range->end;
gf_rtsp_range_del(range);
}
/*check connection*/
conn = sdp->c_connection;
if (conn && (!conn->host || !strcmp(conn->host, "0.0.0.0"))) conn = NULL;
if (!conn) conn = (GF_SDPConnection*)gf_list_get(media->Connections, 0);
if (conn && (!conn->host || !strcmp(conn->host, "0.0.0.0"))) conn = NULL;
if (!conn) {
/*RTSP RFC recommends an empty "c= " line but some server don't send it. Use session info (o=)*/
if (!sdp->o_net_type || !sdp->o_add_type || strcmp(sdp->o_net_type, "IN")) return NULL;
if (strcmp(sdp->o_add_type, "IP4") && strcmp(sdp->o_add_type, "IP6")) return NULL;
} else {
if (strcmp(conn->net_type, "IN")) return NULL;
if (strcmp(conn->add_type, "IP4") && strcmp(conn->add_type, "IP6")) return NULL;
}
/*do we support transport*/
if (strcmp(media->Profile, "RTP/AVP") && strcmp(media->Profile, "RTP/AVP/TCP")
&& strcmp(media->Profile, "RTP/SAVP") && strcmp(media->Profile, "RTP/SAVP/TCP")
) return NULL;
/*check RTP map. For now we only support 1 RTPMap*/
if (media->fmt_list || (gf_list_count(media->RTPMaps) > 1)) return NULL;
/*check payload type*/
map = (GF_RTPMap*)gf_list_get(media->RTPMaps, 0);
/*this is an ESD-URL setup, we likely have namespace conflicts so overwrite given ES_ID
by the app one (client side), but keep control (server side) if provided*/
if (input_stream) {
ESID = input_stream->ES_ID;
if (!ctrl) ctrl = input_stream->control;
tmp = input_stream;
} else {
tmp = RP_FindChannel(rtp, NULL, ESID, NULL, 0);
if (tmp) return NULL;
GF_SAFEALLOC(tmp, RTPStream);
tmp->owner = rtp;
}
/*create an RTP channel*/
tmp->rtp_ch = gf_rtp_new();
if (ctrl) tmp->control = gf_strdup(ctrl);
tmp->ES_ID = ESID;
tmp->OD_ID = ODID;
tmp->mid = mid;
tmp->prev_stream = prev_stream;
tmp->base_stream = base_stream;
memset(&trans, 0, sizeof(GF_RTSPTransport));
trans.Profile = media->Profile;
trans.source = conn ? conn->host : sdp->o_address;
trans.IsUnicast = gf_sk_is_multicast_address(trans.source) ? 0 : 1;
if (!trans.IsUnicast) {
trans.port_first = media->PortNumber;
trans.port_last = media->PortNumber + 1;
trans.TTL = conn ? conn->TTL : 0;
} else {
trans.client_port_first = media->PortNumber;
trans.client_port_last = media->PortNumber + 1;
trans.port_first = s_port_first ? s_port_first : trans.client_port_first;
trans.port_last = s_port_last ? s_port_last : trans.client_port_last;
}
if (gf_rtp_setup_transport(tmp->rtp_ch, &trans, NULL) != GF_OK) {
RP_DeleteStream(tmp);
return NULL;
}
/*setup depacketizer*/
tmp->depacketizer = gf_rtp_depacketizer_new(media, rtp_sl_packet_cbk, tmp);
if (!tmp->depacketizer) {
RP_DeleteStream(tmp);
return NULL;
}
/*setup channel*/
gf_rtp_setup_payload(tmp->rtp_ch, map);
// tmp->status = NM_Disconnected;
ctrl = (char *) gf_modules_get_option((GF_BaseInterface *) gf_service_get_interface(rtp->service), "Streaming", "DisableRTCP");
if (!ctrl || stricmp(ctrl, "yes")) tmp->flags |= RTP_ENABLE_RTCP;
/*setup NAT keep-alive*/
ctrl = (char *) gf_modules_get_option((GF_BaseInterface *) gf_service_get_interface(rtp->service), "Streaming", "NATKeepAlive");
if (ctrl) gf_rtp_enable_nat_keepalive(tmp->rtp_ch, atoi(ctrl));
tmp->range_start = Start;
tmp->range_end = End;
if (End != -1.0) tmp->flags |= RTP_HAS_RANGE;
if (force_bcast) tmp->flags |= RTP_FORCE_BROADCAST;
if (is_migration) {
tmp->current_start = (Double) CurrentTime;
tmp->check_rtp_time = RTP_SET_TIME_RTP;
gf_rtp_set_info_rtp(tmp->rtp_ch, rtp_seq, rtp_time, ssrc);
tmp->status = RTP_SessionResume;
}
if (rvc_predef) {
tmp->depacketizer->sl_map.rvc_predef = rvc_predef ;
} else if (rvc_config_att) {
char *rvc_data=NULL;
u32 rvc_size;
Bool is_gz = 0;
if (!strncmp(rvc_config_att, "data:application/rvc-config+xml", 32) && strstr(rvc_config_att, "base64") ) {
char *data = strchr(rvc_config_att, ',');
if (data) {
rvc_size = (u32) strlen(data) * 3 / 4 + 1;
rvc_data = gf_malloc(sizeof(char) * rvc_size);
rvc_size = gf_base64_decode(data, (u32) strlen(data), rvc_data, rvc_size);
rvc_data[rvc_size] = 0;
}
if (!strncmp(rvc_config_att, "data:application/rvc-config+xml+gz", 35)) is_gz = 1;
} else if (!strnicmp(rvc_config_att, "http://", 7) || !strnicmp(rvc_config_att, "https://", 8) ) {
char *mime;
if (gf_dm_get_file_memory(rvc_config_att, &rvc_data, &rvc_size, &mime) == GF_OK) {
if (mime && strstr(mime, "+gz")) is_gz = 1;
if (mime) gf_free(mime);
}
}
if (rvc_data) {
if (is_gz) {
#ifdef GPAC_DISABLE_ZLIB
fprintf(stderr, "Error: no zlib support - RVC not supported in RTP\n");
return NULL;
#endif
gf_gz_decompress_payload(rvc_data, rvc_size, &tmp->depacketizer->sl_map.rvc_config, &tmp->depacketizer->sl_map.rvc_config_size);
gf_free(rvc_data);
} else {
tmp->depacketizer->sl_map.rvc_config = rvc_data;
tmp->depacketizer->sl_map.rvc_config_size = rvc_size;
}
}
}
return tmp;
}
void RP_ProcessCommands(RTSPSession *sess)
{
GF_RTSPCommand *com;
GF_Err e;
u32 time;
com = RP_GetCommand(sess);
/*if asked or command to send, flushout TCP - TODO: check what's going on with ANNOUNCE*/
if ((com && !(sess->flags & RTSP_WAIT_REPLY) ) || (sess->flags & RTSP_TCP_FLUSH) ) {
while (1) {
e = gf_rtsp_session_read(sess->session);
if (e) break;
}
sess->flags &= ~RTSP_TCP_FLUSH;
}
/*handle response or announce*/
if ( (com && (sess->flags & RTSP_WAIT_REPLY) ) /*|| (!com && sess->owner->handle_announce)*/) {
e = gf_rtsp_get_response(sess->session, sess->rtsp_rsp);
if (e!= GF_IP_NETWORK_EMPTY) {
e = RP_ProcessResponse(sess, com, e);
/*this is a service connect error -> plugin may be discarded */
if (e!=GF_OK) {
RP_RemoveCommand(sess);
gf_rtsp_command_del(com);
gf_service_connect_ack(sess->owner->service, NULL, e);
return;
}
RP_RemoveCommand(sess);
gf_rtsp_command_del(com);
sess->flags &= ~RTSP_WAIT_REPLY;
sess->command_time = 0;
} else {
u32 time_out = sess->owner->time_out;
/*evaluate timeout*/
time = gf_sys_clock() - sess->command_time;
if (!strcmp(com->method, GF_RTSP_DESCRIBE) && (time_out < 10000) ) time_out = 10000;
/*don't waste time waiting for teardown ACK, half a sec is enough. If server is not replying
in time it is likely to never reply (happens with RTP over RTSP) -> kill session
and create new one*/
else if (!strcmp(com->method, GF_RTSP_TEARDOWN) && (time>=500) ) time = time_out;
//signal what's going on
if (time >= time_out) {
if (!strcmp(com->method, GF_RTSP_TEARDOWN)) {
gf_rtsp_session_reset(sess->session, 1);
} else {
GF_LOG(GF_LOG_WARNING, GF_LOG_RTP, ("[RTP] Request Timeout for command %s after %d ms\n", com->method, time));
}
RP_ProcessResponse(sess, com, GF_IP_NETWORK_FAILURE);
RP_RemoveCommand(sess);
gf_rtsp_command_del(com);
sess->flags &= ~RTSP_WAIT_REPLY;
sess->command_time = 0;
gf_rtsp_reset_aggregation(sess->session);
}
}
return;
}
if (!com) return;
/*send command - check RTSP session state first*/
switch (gf_rtsp_get_session_state(sess->session)) {
case GF_RTSP_STATE_WAITING:
case GF_RTSP_STATE_WAIT_FOR_CONTROL:
return;
case GF_RTSP_STATE_INVALIDATED:
RP_SendFailure(sess, com, GF_IP_NETWORK_FAILURE);
RP_RemoveCommand(sess);
gf_rtsp_command_del(com);
sess->flags &= ~RTSP_WAIT_REPLY;
sess->command_time = 0;
return;
}
/*process*/
com->User_Agent = (char*)gf_modules_get_option((GF_BaseInterface *) gf_service_get_interface(sess->owner->service), "Downloader", "UserAgent");
if (!com->User_Agent) com->User_Agent = "GPAC " GPAC_VERSION " RTSP Client";
com->Accept_Language = RTSP_LANGUAGE;
/*if no session assigned and a session ID is valid, use it*/
if (sess->session_id && !com->Session)
com->Session = sess->session_id;
e = GF_OK;
/*preprocess describe before sending (always the ESD url thing)*/
if (!strcmp(com->method, GF_RTSP_DESCRIBE)) {
com->Session = NULL;
if (!RP_PreprocessDescribe(sess, com)) {
e = GF_BAD_PARAM;
goto exit;
}
}
/*preprocess play/stop/pause before sending (aggregation)*/
if (!strcmp(com->method, GF_RTSP_PLAY)
|| !strcmp(com->method, GF_RTSP_PAUSE)
|| !strcmp(com->method, GF_RTSP_TEARDOWN)) {
//command is skipped
if (!RP_PreprocessUserCom(sess, com)) {
e = GF_BAD_PARAM;
goto exit;
}
}
e = gf_rtsp_send_command(sess->session, com);
if (e) {
RP_SendFailure(sess, com, e);
RP_ProcessResponse(sess, com, e);
} else {
sess->command_time = gf_sys_clock();
sess->flags |= RTSP_WAIT_REPLY;
}
exit:
/*reset static strings*/
com->User_Agent = NULL;
com->Accept_Language = NULL;
com->Session = NULL;
/*remove command*/
if (e) {
RP_RemoveCommand(sess);
gf_rtsp_command_del(com);
sess->flags &= ~RTSP_WAIT_REPLY;
sess->command_time = 0;
}
}
