--- /dev/null
- * @addtogroup calls
+
+ /*
+ linphone
+ Copyright (C) 2010 Belledonne Communications SARL
+ (simon.morlat@linphone.org)
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+ #ifdef WIN32
+ #include <time.h>
+ #endif
+ #include "linphonecore.h"
+ #include "sipsetup.h"
+ #include "lpconfig.h"
+ #include "private.h"
+
+
+ #include "mediastreamer2/mediastream.h"
+ #include "mediastreamer2/msvolume.h"
+ #include "mediastreamer2/msequalizer.h"
+
+
+
+ static MSList *make_codec_list(LinphoneCore *lc, const MSList *codecs, bool_t only_one_codec){
+ MSList *l=NULL;
+ const MSList *it;
+ for(it=codecs;it!=NULL;it=it->next){
+ PayloadType *pt=(PayloadType*)it->data;
+ if ((pt->flags & PAYLOAD_TYPE_ENABLED) && linphone_core_check_payload_type_usability(lc,pt)){
+ l=ms_list_append(l,payload_type_clone(pt));
+ if (only_one_codec) break;
+ }
+ }
+ return l;
+ }
+
+ static SalMediaDescription *create_local_media_description(LinphoneCore *lc,
+ LinphoneCall *call, const char *username, bool_t only_one_codec){
+ MSList *l;
+ PayloadType *pt;
+ SalMediaDescription *md=sal_media_description_new();
+ md->nstreams=1;
+ strncpy(md->addr,call->localip,sizeof(md->addr));
+ strncpy(md->username,username,sizeof(md->username));
+ md->bandwidth=linphone_core_get_download_bandwidth(lc);
+ /*set audio capabilities */
+ strncpy(md->streams[0].addr,call->localip,sizeof(md->streams[0].addr));
+ md->streams[0].port=call->audio_port;
+ md->streams[0].proto=SalProtoRtpAvp;
+ md->streams[0].type=SalAudio;
+ md->streams[0].ptime=lc->net_conf.down_ptime;
+ l=make_codec_list(lc,lc->codecs_conf.audio_codecs,only_one_codec);
+ pt=payload_type_clone(rtp_profile_get_payload_from_mime(&av_profile,"telephone-event"));
+ l=ms_list_append(l,pt);
+ md->streams[0].payloads=l;
+
+ if (lc->dw_audio_bw>0)
+ md->streams[0].bandwidth=lc->dw_audio_bw;
+
+ if (linphone_core_video_enabled (lc)){
+ md->nstreams++;
+ md->streams[1].port=call->video_port;
+ md->streams[1].proto=SalProtoRtpAvp;
+ md->streams[1].type=SalVideo;
+ l=make_codec_list(lc,lc->codecs_conf.video_codecs,only_one_codec);
+ md->streams[1].payloads=l;
+ if (lc->dw_video_bw)
+ md->streams[1].bandwidth=lc->dw_video_bw;
+ }
+ return md;
+ }
+
+ static int find_port_offset(LinphoneCore *lc){
+ int offset;
+ MSList *elem;
+ int audio_port;
+ bool_t already_used=FALSE;
+ for(offset=0;offset<100;offset+=2){
+ audio_port=linphone_core_get_audio_port (lc)+offset;
+ already_used=FALSE;
+ for(elem=lc->calls;elem!=NULL;elem=elem->next){
+ LinphoneCall *call=(LinphoneCall*)elem->data;
+ if (call->audio_port==audio_port) {
+ already_used=TRUE;
+ break;
+ }
+ }
+ if (!already_used) break;
+ }
+ if (offset==100){
+ ms_error("Could not find any free port !");
+ return -1;
+ }
+ return offset;
+ }
+
+ static void linphone_call_init_common(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
+ int port_offset;
+ call->refcnt=1;
+ call->state=LinphoneCallIdle;
+ call->start_time=time(NULL);
+ call->media_start_time=0;
+ call->log=linphone_call_log_new(call, from, to);
+ linphone_core_notify_all_friends(call->core,LinphoneStatusOnThePhone);
+ port_offset=find_port_offset (call->core);
+ if (port_offset==-1) return;
+ call->audio_port=linphone_core_get_audio_port(call->core)+port_offset;
+ call->video_port=linphone_core_get_video_port(call->core)+port_offset;
+
+ }
+
+ static void discover_mtu(LinphoneCore *lc, const char *remote){
+ int mtu;
+ if (lc->net_conf.mtu==0 ){
+ /*attempt to discover mtu*/
+ mtu=ms_discover_mtu(remote);
+ if (mtu>0){
+ ms_set_mtu(mtu);
+ ms_message("Discovered mtu is %i, RTP payload max size is %i",
+ mtu, ms_get_payload_max_size());
+ }
+ }
+ }
+
+ LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to)
+ {
+ LinphoneCall *call=ms_new0(LinphoneCall,1);
+ call->dir=LinphoneCallOutgoing;
+ call->op=sal_op_new(lc->sal);
+ sal_op_set_user_pointer(call->op,call);
+ call->core=lc;
+ linphone_core_get_local_ip(lc,linphone_address_get_domain(to),call->localip);
+ linphone_call_init_common(call,from,to);
+ call->localdesc=create_local_media_description (lc,call,
+ linphone_address_get_username(from),FALSE);
+ if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
+ linphone_core_run_stun_tests(call->core,call);
+ discover_mtu(lc,linphone_address_get_domain (to));
+ return call;
+ }
+
+ LinphoneCall * linphone_call_new_incoming(LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op){
+ LinphoneCall *call=ms_new0(LinphoneCall,1);
+ LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
+ char *to_str;
+ char *from_str;
+
+ call->dir=LinphoneCallIncoming;
+ sal_op_set_user_pointer(op,call);
+ call->op=op;
+ call->core=lc;
+
+ if (lc->sip_conf.ping_with_options){
+ /*the following sends an option request back to the caller so that
+ we get a chance to discover our nat'd address before answering.*/
+ call->ping_op=sal_op_new(lc->sal);
+ to_str=linphone_address_as_string(to);
+ from_str=linphone_address_as_string(from);
+ sal_op_set_route(call->ping_op,sal_op_get_network_origin(call->op));
+ sal_op_set_user_pointer(call->ping_op,call);
+ sal_ping(call->ping_op,to_str,from_str);
+ ms_free(to_str);
+ ms_free(from_str);
+ }
+
+ linphone_address_clean(from);
+ linphone_core_get_local_ip(lc,linphone_address_get_domain(from),call->localip);
+ linphone_call_init_common(call, from, to);
+ call->localdesc=create_local_media_description (lc,call,
+ linphone_address_get_username(me),lc->sip_conf.only_one_codec);
+ if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
+ linphone_core_run_stun_tests(call->core,call);
+ discover_mtu(lc,linphone_address_get_domain(from));
+ linphone_address_destroy(me);
+ return call;
+ }
+
+ /* this function is called internally to get rid of a call.
+ It performs the following tasks:
+ - remove the call from the internal list of calls
+ - unref the LinphoneCall object
+ - update the call logs accordingly
+ */
+
+ static void linphone_call_set_terminated(LinphoneCall *call){
+ LinphoneCallStatus status=LinphoneCallAborted;
+ LinphoneCore *lc=call->core;
+
+ linphone_core_update_allocated_audio_bandwidth(lc);
+ if (call->state==LinphoneCallEnd){
+ status=LinphoneCallSuccess;
+
+ }
+ linphone_call_log_completed(call->log,call, status);
+
+ if (call == lc->current_call){
+ ms_message("Resetting the current call");
+ lc->current_call=NULL;
+ linphone_core_start_pending_refered_calls(lc);
+ }
+
+ if (linphone_core_del_call(lc,call) != 0){
+ ms_error("Could not remove the call from the list !!!");
+ }
+
+ if (ms_list_size(lc->calls)==0)
+ linphone_core_notify_all_friends(lc,lc->presence_mode);
+
+ if (call->op!=NULL) {
+ /* so that we cannot have anymore upcalls for SAL
+ concerning this call*/
+ sal_op_release(call->op);
+ call->op=NULL;
+ }
+ linphone_call_unref(call);
+ }
+
+ void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message){
+ LinphoneCore *lc=call->core;
+ if (call->state!=cstate){
+ if (cstate!=LinphoneCallRefered){
+ /*LinphoneCallRefered is rather an event, not a state.
+ Indeed it does not change the state of the call (still paused or running)*/
+ call->state=cstate;
+ }
+ if (lc->vtable.call_state_changed)
+ lc->vtable.call_state_changed(lc,call,cstate,message);
+ }
+ if (call->state==LinphoneCallEnd || call->state==LinphoneCallError)
+ linphone_call_set_terminated (call);
+ }
+
+ static void linphone_call_destroy(LinphoneCall *obj)
+ {
+ if (obj->op!=NULL) {
+ sal_op_release(obj->op);
+ obj->op=NULL;
+ }
+ if (obj->resultdesc!=NULL) {
+ sal_media_description_unref(obj->resultdesc);
+ obj->resultdesc=NULL;
+ }
+ if (obj->localdesc!=NULL) {
+ sal_media_description_unref(obj->localdesc);
+ obj->localdesc=NULL;
+ }
+ if (obj->ping_op) {
+ sal_op_release(obj->ping_op);
+ }
+ if (obj->refer_to){
+ ms_free(obj->refer_to);
+ }
+ ms_free(obj);
+ }
+
+ /**
++ * @addtogroup call_control
+ * @{
+ **/
+
+ /**
+ * Increments the call 's reference count.
+ * An application that wishes to retain a pointer to call object
+ * must use this function to unsure the pointer remains
+ * valid. Once the application no more needs this pointer,
+ * it must call linphone_call_unref().
+ **/
+ void linphone_call_ref(LinphoneCall *obj){
+ obj->refcnt++;
+ }
+
+ /**
+ * Decrements the call object reference count.
+ * See linphone_call_ref().
+ **/
+ void linphone_call_unref(LinphoneCall *obj){
+ obj->refcnt--;
+ if (obj->refcnt==0)
+ linphone_call_destroy(obj);
+ }
+
+ /**
+ * Returns the remote address associated to this call
+ *
+ **/
+ const LinphoneAddress * linphone_call_get_remote_address(const LinphoneCall *call){
+ return call->dir==LinphoneCallIncoming ? call->log->from : call->log->to;
+ }
+
+ /**
+ * Returns the remote address associated to this call as a string.
+ *
+ * The result string must be freed by user using ms_free().
+ **/
+ char *linphone_call_get_remote_address_as_string(const LinphoneCall *call){
+ return linphone_address_as_string(linphone_call_get_remote_address(call));
+ }
+
+ /**
+ * Retrieves the call's current state.
+ **/
+ LinphoneCallState linphone_call_get_state(const LinphoneCall *call){
+ return call->state;
+ }
+
+ /**
+ * Get the user_pointer in the LinphoneCall
+ *
+ * @ingroup call_control
+ *
+ * return user_pointer an opaque user pointer that can be retrieved at any time
+ **/
+ void *linphone_call_get_user_pointer(LinphoneCall *call)
+ {
+ return call->user_pointer;
+ }
+
+ /**
+ * Set the user_pointer in the LinphoneCall
+ *
+ * @ingroup call_control
+ *
+ * the user_pointer is an opaque user pointer that can be retrieved at any time in the LinphoneCall
+ **/
+ void linphone_call_set_user_pointer(LinphoneCall *call, void *user_pointer)
+ {
+ call->user_pointer = user_pointer;
+ }
+
+ /**
+ * Returns the call log associated to this call.
+ **/
+ LinphoneCallLog *linphone_call_get_call_log(const LinphoneCall *call){
+ return call->log;
+ }
+
+ /**
+ * Returns the refer-to uri (if the call was transfered).
+ **/
+ const char *linphone_call_get_refer_to(const LinphoneCall *call){
+ return call->refer_to;
+ }
+
+ LinphoneCallDir linphone_call_get_dir(const LinphoneCall *call){
+ return call->log->dir;
+ }
+
+ /**
+ * Returns true if this calls has received a transfer that has not been
+ * executed yet.
+ * Pending transfers are executed when this call is being paused or closed,
+ * locally or by remote endpoint.
+ * If the call is already paused while receiving the transfer request, the
+ * transfer immediately occurs.
+ **/
+ bool_t linphone_call_has_transfer_pending(const LinphoneCall *call){
+ return call->refer_pending;
+ }
+
+ /**
+ * @}
+ **/
+
+
+ #ifdef TEST_EXT_RENDERER
+ static void rendercb(void *data, const MSPicture *local, const MSPicture *remote){
+ ms_message("rendercb, local buffer=%p, remote buffer=%p",
+ local ? local->planes[0] : NULL, remote? remote->planes[0] : NULL);
+ }
+ #endif
+
+ void linphone_call_init_media_streams(LinphoneCall *call){
+ LinphoneCore *lc=call->core;
+ SalMediaDescription *md=call->localdesc;
+ AudioStream *audiostream;
+
+ call->audiostream=audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc));
+ if (linphone_core_echo_limiter_enabled(lc)){
+ const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
+ if (strcasecmp(type,"mic")==0)
+ audio_stream_enable_echo_limiter(audiostream,ELControlMic);
+ else if (strcasecmp(type,"full")==0)
+ audio_stream_enable_echo_limiter(audiostream,ELControlFull);
+ }
+ audio_stream_enable_gain_control(audiostream,TRUE);
+ if (linphone_core_echo_cancellation_enabled(lc)){
+ int len,delay,framesize;
+ len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
+ delay=lp_config_get_int(lc->config,"sound","ec_delay",0);
+ framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0);
+ audio_stream_set_echo_canceller_params(audiostream,len,delay,framesize);
+ }
+ audio_stream_enable_automatic_gain_control(audiostream,linphone_core_agc_enabled(lc));
+ {
+ int enabled=lp_config_get_int(lc->config,"sound","noisegate",0);
+ audio_stream_enable_noise_gate(audiostream,enabled);
+ }
+ if (lc->a_rtp)
+ rtp_session_set_transports(audiostream->session,lc->a_rtp,lc->a_rtcp);
+
+ #ifdef VIDEO_ENABLED
+ if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0){
+ call->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc));
+ #ifdef TEST_EXT_RENDERER
+ video_stream_set_render_callback(call->videostream,rendercb,NULL);
+ #endif
+ }
+ #else
+ call->videostream=NULL;
+ #endif
+ }
+
+
+ static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'};
+
+ static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){
+ LinphoneCore* lc = (LinphoneCore*)user_data;
+ if (dtmf<0 || dtmf>15){
+ ms_warning("Bad dtmf value %i",dtmf);
+ return;
+ }
+ if (lc->vtable.dtmf_received != NULL)
+ lc->vtable.dtmf_received(lc, linphone_core_get_current_call(lc), dtmf_tab[dtmf]);
+ }
+
+ static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){
+ if (st->equalizer){
+ MSFilter *f=st->equalizer;
+ int enabled=lp_config_get_int(lc->config,"sound","eq_active",0);
+ const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL);
+ ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled);
+ if (enabled){
+ if (gains){
+ do{
+ int bytes;
+ MSEqualizerGain g;
+ if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){
+ ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain);
+ ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g);
+ gains+=bytes;
+ }else break;
+ }while(1);
+ }
+ }
+ }
+ }
+
+
+ static void post_configure_audio_streams(LinphoneCall*call){
+ AudioStream *st=call->audiostream;
+ LinphoneCore *lc=call->core;
+ float mic_gain=lp_config_get_float(lc->config,"sound","mic_gain",1);
+ float thres = 0;
+ float recv_gain;
+ float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05);
+ float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0);
+ int dc_removal=lp_config_get_int(lc->config,"sound","dc_removal",0);
+
+ if (mic_gain!=-1)
+ audio_stream_set_mic_gain(st,mic_gain);
+ call->audio_muted=FALSE;
+
+ recv_gain = lc->sound_conf.soft_play_lev;
+ if (recv_gain != 0) {
+ linphone_core_set_playback_gain_db (lc,recv_gain);
+ }
+ if (st->volsend){
+ ms_filter_call_method(st->volsend,MS_VOLUME_REMOVE_DC,&dc_removal);
+ }
+ if (linphone_core_echo_limiter_enabled(lc)){
+ float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
+ thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
+ float force=lp_config_get_float(lc->config,"sound","el_force",-1);
+ int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1);
+ MSFilter *f=NULL;
+ if (st->el_type!=ELInactive){
+ f=st->volsend;
+ if (speed==-1) speed=0.03;
+ if (force==-1) force=25;
+ ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed);
+ ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
+ if (thres!=-1)
+ ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
+ if (sustain!=-1)
+ ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain);
+ }
+ }
+
+ if (st->volsend){
+ ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres);
+ ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain);
+ }
+ if (st->volrecv){
+ /* parameters for a limited noise-gate effect, using echo limiter threshold */
+ float floorgain = 1/mic_gain;
+ ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&thres);
+ ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&floorgain);
+ }
+ parametrize_equalizer(lc,st);
+ if (lc->vtable.dtmf_received!=NULL){
+ /* replace by our default action*/
+ audio_stream_play_received_dtmfs(call->audiostream,FALSE);
+ rtp_session_signal_connect(call->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc);
+ }
+ }
+
+
+
+
+ static RtpProfile *make_profile(LinphoneCore *lc, const SalMediaDescription *md, const SalStreamDescription *desc, int *used_pt){
+ int bw;
+ const MSList *elem;
+ RtpProfile *prof=rtp_profile_new("Call profile");
+ bool_t first=TRUE;
+ int remote_bw=0;
+ *used_pt=-1;
+
+ for(elem=desc->payloads;elem!=NULL;elem=elem->next){
+ PayloadType *pt=(PayloadType*)elem->data;
+
+ if (first) {
+ if (desc->type==SalAudio){
+ linphone_core_update_allocated_audio_bandwidth_in_call(lc,pt);
+ }
+ *used_pt=payload_type_get_number(pt);
+ first=FALSE;
+ }
+ if (desc->bandwidth>0) remote_bw=desc->bandwidth;
+ else if (md->bandwidth>0) {
+ /*case where b=AS is given globally, not per stream*/
+ remote_bw=md->bandwidth;
+ if (desc->type==SalVideo){
+ remote_bw-=lc->audio_bw;
+ }
+ }
+
+ if (desc->type==SalAudio){
+ bw=get_min_bandwidth(lc->up_audio_bw,remote_bw);
+ }else bw=get_min_bandwidth(lc->up_video_bw,remote_bw);
+ if (bw>0) pt->normal_bitrate=bw*1000;
+ else if (desc->type==SalAudio){
+ pt->normal_bitrate=-1;
+ }
+ if (desc->ptime>0){
+ char tmp[40];
+ snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime);
+ payload_type_append_send_fmtp(pt,tmp);
+ }
+ rtp_profile_set_payload(prof,payload_type_get_number(pt),pt);
+ }
+ return prof;
+ }
+
+ void linphone_call_start_media_streams(LinphoneCall *call){
+ LinphoneCore *lc=call->core;
+ LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
+ const char *tool="linphone-" LINPHONE_VERSION;
+ char *cname;
+ int used_pt=-1;
+ if(call->audiostream == NULL)
+ {
+ ms_fatal("start_media_stream() called without prior init !");
+ return;
+ }
+ /* adjust rtp jitter compensation. It must be at least the latency of the sound card */
+ int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp);
+
+ if (call->media_start_time==0) call->media_start_time=time(NULL);
+
+ cname=linphone_address_as_string_uri_only(me);
+ {
+ const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
+ SalProtoRtpAvp,SalAudio);
+ if (stream){
+ MSSndCard *playcard=lc->sound_conf.lsd_card ?
+ lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
+ MSSndCard *captcard=lc->sound_conf.capt_sndcard;
+ const char *playfile=lc->play_file;
+ const char *recfile=lc->rec_file;
+ call->audio_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
+ if (used_pt!=-1){
+ if (playcard==NULL) {
+ ms_warning("No card defined for playback !");
+ }
+ if (captcard==NULL) {
+ ms_warning("No card defined for capture !");
+ }
+ ms_message("streamdir is %i",stream->dir);
+ /*Replace soundcard filters by inactive file players or recorders
+ when placed in recvonly or sendonly mode*/
+ if (stream->port==0 || stream->dir==SalStreamRecvOnly){
+ captcard=NULL;
+ playfile=NULL;
+ }else if (stream->dir==SalStreamSendOnly){
+ playcard=NULL;
+ captcard=NULL;
+ recfile=NULL;
+ }
+ /*if playfile are supplied don't use soundcards*/
+ if (lc->use_files) {
+ captcard=NULL;
+ playcard=NULL;
+ }
+ audio_stream_start_full(
+ call->audiostream,
+ call->audio_profile,
+ stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
+ stream->port,
+ stream->port+1,
+ used_pt,
+ jitt_comp,
+ playfile,
+ recfile,
+ playcard,
+ captcard,
+ linphone_core_echo_cancellation_enabled(lc));
+ post_configure_audio_streams(call);
+ audio_stream_set_rtcp_information(call->audiostream, cname, tool);
+ }else ms_warning("No audio stream accepted ?");
+ }
+ }
+ #ifdef VIDEO_ENABLED
+ {
+ const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
+ SalProtoRtpAvp,SalVideo);
+ used_pt=-1;
+ /* shutdown preview */
+ if (lc->previewstream!=NULL) {
+ video_preview_stop(lc->previewstream);
+ lc->previewstream=NULL;
+ }
+ if (stream) {
+ const char *addr=stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr;
+ call->video_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
+ if (used_pt!=-1){
+ VideoStreamDir dir=VideoStreamSendRecv;
+ MSWebCam *cam=lc->video_conf.device;
+ bool_t is_inactive=FALSE;
+
+ video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
+ video_stream_enable_self_view(call->videostream,lc->video_conf.selfview);
+
+ if (stream->dir==SalStreamSendOnly && lc->video_conf.capture ){
+ cam=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),"Static picture");
+ dir=VideoStreamSendOnly;
+ }else if (stream->dir==SalStreamRecvOnly && lc->video_conf.display ){
+ dir=VideoStreamRecvOnly;
+ }else if (stream->dir==SalStreamSendRecv){
+ if (lc->video_conf.display && lc->video_conf.capture)
+ dir=VideoStreamSendRecv;
+ else if (lc->video_conf.display)
+ dir=VideoStreamRecvOnly;
+ else
+ dir=VideoStreamSendOnly;
+ }else{
+ ms_warning("video stream is inactive.");
+ /*either inactive or incompatible with local capabilities*/
+ is_inactive=TRUE;
+ }
+ if (!is_inactive){
+ video_stream_set_direction (call->videostream, dir);
+ video_stream_start(call->videostream,
+ call->video_profile, addr, stream->port,
+ stream->port+1,
+ used_pt, jitt_comp, cam);
+ video_stream_set_rtcp_information(call->videostream, cname,tool);
+ }
+ }else ms_warning("No video stream accepted.");
+ }else{
+ ms_warning("No valid video stream defined.");
+ }
+ }
+ #endif
+ goto end;
+ end:
+ ms_free(cname);
+ linphone_address_destroy(me);
+ }
+
+
+
+ static void linphone_call_log_fill_stats(LinphoneCallLog *log, AudioStream *st){
+ audio_stream_get_local_rtp_stats (st,&log->local_stats);
+ }
+
+ void linphone_call_stop_media_streams(LinphoneCall *call){
+ if (call->audiostream!=NULL) {
+ linphone_call_log_fill_stats (call->log,call->audiostream);
+ audio_stream_stop(call->audiostream);
+ call->audiostream=NULL;
+ }
+ #ifdef VIDEO_ENABLED
+ if (call->videostream!=NULL){
+ video_stream_stop(call->videostream);
+ call->videostream=NULL;
+ }
+
+ #endif
+ if (call->audio_profile){
+ rtp_profile_clear_all(call->audio_profile);
+ rtp_profile_destroy(call->audio_profile);
+ call->audio_profile=NULL;
+ }
+ if (call->video_profile){
+ rtp_profile_clear_all(call->video_profile);
+ rtp_profile_destroy(call->video_profile);
+ call->video_profile=NULL;
+ }
+ }
+
+
* It should be unique within your application.
* @param vtable a LinphoneCoreVTable structure holding your application callbacks
* @param config_path a path to a config file. If it does not exists it will be created.
-- * The config file is used to store all user settings, call logs, friends, proxies...
++ * The config file is used to store all settings, call logs, friends, proxies... so that all these settings
++ * become persistent over the life of the LinphoneCore object.
++ * It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
* @param factory_config_path a path to a read-only config file that can be used to
* to store hard-coded preference such as proxy settings or internal preferences.
* The settings in this factory file always override the one in the normal config file.
*
* @ingroup call_control
* @param lc the LinphoneCore object
-- * @param url the destination of the call (sip address).
++ * @param real_parsed_url the destination of the call (sip address).
++ *
++ * The LinphoneAddress can be constructed directly using linphone_address_new(), or
++ * created by linphone_core_interpret_url().
**/
- int linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *real_parsed_url)
+ LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *real_parsed_url)
{
int err=0;
const char *route=NULL;
return 0;
}
--/**
- * Returns true if in incoming call is pending, ie waiting for being answered or declined.
- * Returns true if an incoming call is pending, ie waiting for being answered or declined.
-- *
-- * @ingroup call_control
--**/
bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
- if (lc->call!=NULL && lc->call->dir==LinphoneCallIncoming){
- return TRUE;
- }
- return FALSE;
- }
-
- #ifdef TEST_EXT_RENDERER
- static void rendercb(void *data, const MSPicture *local, const MSPicture *remote){
- ms_message("rendercb, local buffer=%p, remote buffer=%p",
- local ? local->planes[0] : NULL, remote? remote->planes[0] : NULL);
- }
- #endif
-
- void linphone_core_init_media_streams(LinphoneCore *lc, LinphoneCall *call){
- SalMediaDescription *md=call->localdesc;
- lc->audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc));
- if (linphone_core_echo_limiter_enabled(lc)){
- const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
- if (strcasecmp(type,"mic")==0)
- audio_stream_enable_echo_limiter(lc->audiostream,ELControlMic);
- else if (strcasecmp(type,"full")==0)
- audio_stream_enable_echo_limiter(lc->audiostream,ELControlFull);
- }
- audio_stream_enable_gain_control(lc->audiostream,TRUE);
- if (linphone_core_echo_cancellation_enabled(lc)){
- int len,delay,framesize;
- len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
- delay=lp_config_get_int(lc->config,"sound","ec_delay",0);
- framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0);
- audio_stream_set_echo_canceller_params(lc->audiostream,len,delay,framesize);
- }
- audio_stream_enable_automatic_gain_control(lc->audiostream,linphone_core_agc_enabled(lc));
- {
- int enabled=lp_config_get_int(lc->config,"sound","noisegate",0);
- audio_stream_enable_noise_gate(lc->audiostream,enabled);
- }
- if (lc->a_rtp)
- rtp_session_set_transports(lc->audiostream->session,lc->a_rtp,lc->a_rtcp);
-
- #ifdef VIDEO_ENABLED
- if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0){
- lc->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc));
- #ifdef TEST_EXT_RENDERER
- video_stream_set_render_callback(lc->videostream,rendercb,NULL);
- #endif
- }
- #else
- lc->videostream=NULL;
- #endif
- }
-
- static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'};
-
- static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){
- LinphoneCore* lc = (LinphoneCore*)user_data;
- if (dtmf<0 || dtmf>15){
- ms_warning("Bad dtmf value %i",dtmf);
- return;
- }
- if (lc->vtable.dtmf_received != NULL)
- lc->vtable.dtmf_received(lc, dtmf_tab[dtmf]);
- }
-
- static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){
- if (st->equalizer){
- MSFilter *f=st->equalizer;
- int enabled=lp_config_get_int(lc->config,"sound","eq_active",0);
- const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL);
- ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled);
- if (enabled){
- if (gains){
- do{
- int bytes;
- MSEqualizerGain g;
- if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){
- ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain);
- ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g);
- gains+=bytes;
- }else break;
- }while(1);
- }
- }
- }
- }
-
- static void post_configure_audio_streams(LinphoneCore *lc){
- AudioStream *st=lc->audiostream;
- float mic_gain=lp_config_get_float(lc->config,"sound","mic_gain",1);
- float thres = 0;
- float recv_gain;
- float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05);
- float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0);
- int dc_removal=lp_config_get_int(lc->config,"sound","dc_removal",0);
-
- if (mic_gain!=-1)
- audio_stream_set_mic_gain(st,mic_gain);
- lc->audio_muted=FALSE;
-
- recv_gain = lc->sound_conf.soft_play_lev;
- if (recv_gain != 0) {
- linphone_core_set_playback_gain_db (lc,recv_gain);
- }
- if (st->volsend){
- ms_filter_call_method(st->volsend,MS_VOLUME_REMOVE_DC,&dc_removal);
- }
- if (linphone_core_echo_limiter_enabled(lc)){
- float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
- thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
- float force=lp_config_get_float(lc->config,"sound","el_force",-1);
- int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1);
- MSFilter *f=NULL;
- if (st->el_type!=ELInactive){
- f=st->volsend;
- if (speed==-1) speed=0.03;
- if (force==-1) force=25;
- ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed);
- ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
- if (thres!=-1)
- ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
- if (sustain!=-1)
- ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain);
- }
- }
-
- if (st->volsend){
- ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres);
- ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain);
- }
- if (st->volrecv){
- /* parameters for a limited noise-gate effect, using echo limiter threshold */
- float floorgain = 1/mic_gain;
- ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&thres);
- ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&floorgain);
- }
- parametrize_equalizer(lc,st);
- if (lc->vtable.dtmf_received!=NULL){
- /* replace by our default action*/
- audio_stream_play_received_dtmfs(lc->audiostream,FALSE);
- rtp_session_signal_connect(lc->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc);
- }
- }
-
- static RtpProfile *make_profile(LinphoneCore *lc, const SalMediaDescription *md, const SalStreamDescription *desc, int *used_pt){
- int bw;
- const MSList *elem;
- RtpProfile *prof=rtp_profile_new("Call profile");
- bool_t first=TRUE;
- int remote_bw=0;
- *used_pt=-1;
-
- for(elem=desc->payloads;elem!=NULL;elem=elem->next){
- PayloadType *pt=(PayloadType*)elem->data;
-
- if (first) {
- if (desc->type==SalAudio){
- linphone_core_update_allocated_audio_bandwidth_in_call(lc,pt);
- }
- *used_pt=payload_type_get_number(pt);
- first=FALSE;
- }
- if (desc->bandwidth>0) remote_bw=desc->bandwidth;
- else if (md->bandwidth>0) {
- /*case where b=AS is given globally, not per stream*/
- remote_bw=md->bandwidth;
- if (desc->type==SalVideo){
- remote_bw-=lc->audio_bw;
- }
- }
-
- if (desc->type==SalAudio){
- bw=get_min_bandwidth(lc->up_audio_bw,remote_bw);
- }else bw=get_min_bandwidth(lc->up_video_bw,remote_bw);
- if (bw>0) pt->normal_bitrate=bw*1000;
- else if (desc->type==SalAudio){
- pt->normal_bitrate=-1;
- }
- if (desc->ptime>0){
- char tmp[40];
- snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime);
- payload_type_append_send_fmtp(pt,tmp);
- }
- rtp_profile_set_payload(prof,payload_type_get_number(pt),pt);
- }
- return prof;
- }
-
- void linphone_core_start_media_streams(LinphoneCore *lc, LinphoneCall *call){
- LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
- const char *tool="linphone-" LINPHONE_VERSION;
- char *cname;
- int used_pt=-1;
- /* adjust rtp jitter compensation. It must be at least the latency of the sound card */
- int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp);
-
- if (call->media_start_time==0) call->media_start_time=time(NULL);
-
- cname=linphone_address_as_string_uri_only(me);
+ LinphoneCall *call = linphone_core_get_current_call(lc);
+ if(call != NULL)
{
- const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
- SalProtoRtpAvp,SalAudio);
- if (stream && stream->port!=0){
- call->audio_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
- if (!lc->use_files){
- MSSndCard *playcard=lc->sound_conf.play_sndcard;
- MSSndCard *captcard=lc->sound_conf.capt_sndcard;
- if (playcard==NULL) {
- ms_warning("No card defined for playback !");
- goto end;
- }
- if (captcard==NULL) {
- ms_warning("No card defined for capture !");
- goto end;
- }
- audio_stream_start_now(
- lc->audiostream,
- call->audio_profile,
- stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
- stream->port,
- stream->port+1,
- used_pt,
- jitt_comp,
- playcard,
- captcard,
- linphone_core_echo_cancellation_enabled(lc));
- }else{
- audio_stream_start_with_files(
- lc->audiostream,
- call->audio_profile,
- stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
- stream->port,
- stream->port+1,
- used_pt,
- 100,
- lc->play_file,
- lc->rec_file);
- }
- post_configure_audio_streams(lc);
- audio_stream_set_rtcp_information(lc->audiostream, cname, tool);
- }else ms_warning("No audio stream defined ?");
+ if(call->dir==LinphoneCallIncoming)
+ return TRUE;
}
- #ifdef VIDEO_ENABLED
- {
- const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
- SalProtoRtpAvp,SalVideo);
- /* shutdown preview */
- if (lc->previewstream!=NULL) {
- video_preview_stop(lc->previewstream);
- lc->previewstream=NULL;
- }
- if (stream && stream->port!=0 && (lc->video_conf.display || lc->video_conf.capture)) {
- const char *addr=stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr;
- call->video_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
- video_stream_set_sent_video_size(lc->videostream,linphone_core_get_preferred_video_size(lc));
- video_stream_enable_self_view(lc->videostream,lc->video_conf.selfview);
- if (lc->video_conf.display && lc->video_conf.capture)
- video_stream_start(lc->videostream,
- call->video_profile, addr, stream->port,
- stream->port+1,
- used_pt, jitt_comp, lc->video_conf.device);
- else if (lc->video_conf.display)
- video_stream_recv_only_start(lc->videostream,
- call->video_profile, addr, stream->port,
- used_pt, jitt_comp);
- else if (lc->video_conf.capture)
- video_stream_send_only_start(lc->videostream,
- call->video_profile, addr, stream->port,
- stream->port+1,
- used_pt, jitt_comp, lc->video_conf.device);
- video_stream_set_rtcp_information(lc->videostream, cname,tool);
- }else{
- ms_warning("No valid video stream defined.");
- }
- }
- #endif
- goto end;
- end:
- ms_free(cname);
- linphone_address_destroy(me);
- lc->call->state=LCStateAVRunning;
+ return FALSE;
}
- static void linphone_call_log_fill_stats(LinphoneCallLog *log, AudioStream *st){
- audio_stream_get_local_rtp_stats (st,&log->local_stats);
- }
-
- void linphone_core_stop_media_streams(LinphoneCore *lc, LinphoneCall *call){
- if (lc->audiostream!=NULL) {
- linphone_call_log_fill_stats (call->log,lc->audiostream);
- audio_stream_stop(lc->audiostream);
- lc->audiostream=NULL;
- }
- #ifdef VIDEO_ENABLED
- if (lc->videostream!=NULL){
- if (lc->video_conf.display && lc->video_conf.capture)
- video_stream_stop(lc->videostream);
- else if (lc->video_conf.display)
- video_stream_recv_only_stop(lc->videostream);
- else if (lc->video_conf.capture)
- video_stream_send_only_stop(lc->videostream);
- lc->videostream=NULL;
- }
- if (linphone_core_video_preview_enabled(lc)){
- if (lc->previewstream==NULL){
- lc->previewstream=video_preview_start(lc->video_conf.device, lc->video_conf.vsize);
- }
- }
- #endif
- if (call->audio_profile){
- rtp_profile_clear_all(call->audio_profile);
- rtp_profile_destroy(call->audio_profile);
- call->audio_profile=NULL;
- }
- if (call->video_profile){
- rtp_profile_clear_all(call->video_profile);
- rtp_profile_destroy(call->video_profile);
- call->video_profile=NULL;
- }
- }
/**
* Accept an incoming call.
*
* @ingroup call_control
* Basically the application is notified of incoming calls within the
-- * invite_recv callback of the #LinphoneCoreVTable structure.
-- * The application can later respond positively to the call using
++ * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
++ * a LinphoneCallIncoming event with the associated LinphoneCall object.
++ * The application can later accept the call using
* this method.
* @param lc the LinphoneCore object
-- * @param url the SIP address of the originator of the call, or NULL.
-- * This argument is useful for managing multiple calls simulatenously,
-- * however this feature is not supported yet.
-- * Using NULL will accept the unique incoming call in progress.
++ * @param call the LinphoneCall object representing the call to be answered.
++ *
**/
- int linphone_core_accept_call(LinphoneCore *lc, const char *url)
+ int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call)
{
- LinphoneCall *call=lc->call;
LinphoneProxyConfig *cfg=NULL;
const char *contact=NULL;
* Terminates a call.
*
* @ingroup call_control
-- * @param lc The LinphoneCore
-- * @param url the destination of the call to be terminated, use NULL if there is
-- * only one call (which is case in this version of liblinphone).
++ * @param lc the LinphoneCore
++ * @param the_call the LinphoneCall object representing the call to be terminated.
**/
- int linphone_core_terminate_call(LinphoneCore *lc, const char *url)
+ int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
{
- LinphoneCall *call=lc->call;
- if (call==NULL){
- return -1;
+ LinphoneCall *call;
+ if (the_call == NULL){
+ call = linphone_core_get_current_call(lc);
+ if (ms_list_size(lc->calls)==1){
+ call=(LinphoneCall*)lc->calls->data;
+ }else{
+ ms_warning("No unique call to terminate !");
+ return -1;
+ }
+ }
+ else
+ {
+ call = the_call;
}
- lc->call=NULL;
sal_call_terminate(call->op);
/*stop ringing*/
*
* @ingroup call_control
**/
- struct _LinphoneCall *linphone_core_get_current_call(LinphoneCore *lc)
+ LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
{
- if(linphone_core_in_call(lc))
- return lc->call;
- else
- return NULL;
+ return lc->current_call;
+ }
+
+ /**
- * Permits to pause the call
++ * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
++ * this file will be played to the remote user.
+ *
+ * @ingroup call_control
+ **/
+ int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *the_call)
+ {
+ LinphoneCall *call = the_call;
+
+ if(linphone_core_get_current_call(lc) != call)
+ {
+ ms_error("The call asked to be paused was not the current on");
+ return -1;
+ }
+ if (sal_call_hold(call->op,TRUE) != 0)
+ {
+ if (lc->vtable.display_warning)
+ lc->vtable.display_warning(lc,_("Could not pause the call"));
+ }
+ linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
+ if (lc->vtable.display_status)
+ lc->vtable.display_status(lc,_("Pausing the current call..."));
+ lc->current_call=NULL;
+ linphone_core_start_pending_refered_calls(lc);
+ return 0;
+ }
+
+ /**
- * Permits to resume the call
++ * Resumes the call.
+ *
+ * @ingroup call_control
+ **/
+ int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
+ {
+ char temp[255]={0};
+ LinphoneCall *call = the_call;
+
+ if(call->state!=LinphoneCallPaused ){
+ ms_warning("we cannot resume a call when the communication is not established");
+ return -1;
+ }
+ if(linphone_core_get_current_call(lc) != NULL){
+ if (lc->vtable.display_warning)
+ lc->vtable.display_warning(lc,_("There is already a call in process, pause or stop it first."));
+ return -1;
+ }
+ if(sal_call_hold(call->op,FALSE) != 0){
+ return -1;
+ }
+ linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
+ snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
+ if (lc->vtable.display_status)
+ lc->vtable.display_status(lc,temp);
+ lc->current_call=call;
+ return 0;
+ }
+
+ /**
+ * Compare the remote address with the one in call
+ *
+ * @param a the call
+ * @param b the remote address to compare with
+ * @return 0 if it's the good call else 1
+ */
+ static int linphone_call_remote_address_compare(const void * a, const void * b)
+ {
+ if(b == NULL || a ==NULL)
+ return 1;
+ char *the_remote_address = ((char *)b);
+ LinphoneCall *call = ((LinphoneCall *)a);
+ #ifdef DEBUG
+ ms_message("the remote address:%s\n",the_remote_address);
+ ms_message("the call:%p => %s\n",call,linphone_call_get_remote_address_as_string(call));
+ #endif
+ if(!strcmp(linphone_call_get_remote_address_as_string(call),the_remote_address))
+ {
+ return 0;
+ }
+ return 1;
+ }
+
+ /**
+ * Get the call with the remote_address specified
+ * @param lc
+ * @param remote_address
+ * @return the LinphoneCall of the call if found
+ */
+ LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
+
+ MSList *the_call = ms_list_find_custom(lc->calls,linphone_call_remote_address_compare,(void *)remote_address);
+ if(the_call != NULL)
+ {
+ return ((LinphoneCall *)the_call->data);
+ }
+ return NULL;
}
int linphone_core_send_publish(LinphoneCore *lc,
}
}
++
static MSFilter *get_dtmf_gen(LinphoneCore *lc){
LinphoneCall *call=linphone_core_get_current_call (lc);
if (call){
projects / linphone / commitdiff