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2017-03-09libmgcp: add mgcpgw client APINeels Hofmeyr1-0/+2
Add an API to send MGCP messages to an MGCP GW, from the perspective of an MSC instructing the GW to setup RTP streams. Rationale: the mgcp_protocol.h is mostly for the MGCP GW itself, other implementations forward incoming MGCP messages. So a simpler approach for an MGCP GW client is useful. Add general VTY commands that can be used to configure mgcpgw_client. osmo-msc is going to use this to route RTP streams (for 3G at first). Change-Id: I6fe365c4c89207f2172943cc456b508a207b1135
2017-03-09libmgcp: add value strings for mgcp_connection_modeNeels Hofmeyr1-0/+1
Add file mgcp_common.c to implement the value strings for the mgcp_connection_mode. Add in a separate file because of the upcoming mgcpgw_client.c implementation, introducing a file that contains implementations commonly used in MGCP GW as well as its clients. Change-Id: I6fe365c4c89207f2172943cc456b508a207b1135
2016-09-15Consistenly format variables in */Makefile.am filesAlexander Huemer1-10/+37
Change-Id: Ifa21513c007072314097b7bec188579972dc1694
2015-08-14mgcp: Move the SDP handling into a separate file/moduleHolger Hans Peter Freyther1-1/+2
The SDP file handling will get more complicated in terms of codec selection so let's remove it from the protocol handling before we start blowing it up in size.
2014-08-28osmux: rename osmux.c to mgcp_osmux.cPablo Neira Ayuso1-1/+1
So we can easily identify in the log message what refers to libosmo-netif and what to libmgcp.
2014-06-05mgcp: Move transcoding to libmgcpJacob Erlbeck1-3/+9
This patch moves the files relevant to transcoding from src/osmo-bsc_mgcp to src/libmgcp and src/include/openbsc. Makefiles and include directives are being updated accordingly. Sponsored-by: On-Waves ehf
2014-05-22mgcp: add voice muxer supportPablo Neira Ayuso1-3/+5
This patch adds the voice muxer. You can use this to batch RTP traffic to reduce bandwidth comsuption. Basically, osmux transforms RTP flows to a compact batch format, that is later on decompacted to its original form. Port UDP/1984 is used for the muxer traffic between osmo-bsc_nat and osmo-bsc_mgcp (in the BSC side). This feature depends on libosmo-netif, which contains the osmux core support. Osmux is requested on-demand via the MGCP CRCX/MDCX messages (using the vendor-specific extension X-Osmux: on) coming from the BSC-NAT, so you can selectively enable osmux per BSC from one the bsc-nat.cfg file, so we have a centralized point to enable/disable osmux. First thing you need to do is to accept requests to use Osmux, this can be done from VTY interface of osmo-bsc_nat and osmo-bsc_mgcp by adding the following line: mgcp ... osmux on osmux batch-factor 4 This just initializes the osmux engine. You still have to specify what BSC uses osmux from osmo-bsc_nat configuration file: ... bsc 1 osmux on bsc 2 ... bsc 3 osmux on In this case, bsc 1 and 3 should use osmux if possible, bsc 2 does not have osmux enabled. Thus, you can selectively enable osmux depending on the BSC, and we have a centralized point for configuration from the bsc-nat to enable osmux on demand, as suggested by Holger. At this moment, this patch contains heavy debug logging for each RTP packet that can be removed later to save cycles. The RTP ssrc/seqnum/timestamp is randomly allocated for each MDCX that is received to configure an endpoint.
2013-06-12Makefile.am: Use AM_CPPFLAGSAlexander Huemer1-1/+1
Since automake 1.13 INCLUDES is depricates and causes a warning
2011-03-23src: use new library libosmogsm and new path to headers in libosmocorePablo Neira Ayuso1-1/+1
libosmogsm is a new library that is distributed in the libosmocore. Now, openbsc depends on it. This patch gets openbsc with this change. This patch also rewrites all include path to the new osmocom/[gsm|core] Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
2011-03-04prefix sub-directories containing libraries with 'lib'Harald Welte1-0/+7
... and make sure tests work again after restructuring