static void linphonec_call_state_changed(LinphoneCore *lc, LinphoneCall *call, LinphoneCallState st, const char *msg){
char *from=linphone_call_get_remote_address_as_string(call);
long id=(long)linphone_call_get_user_pointer (call);
switch(st){
case LinphoneCallEnd:
linphonec_out("Call %i with %s ended (%s).\n", id, from, linphone_reason_to_string(linphone_call_get_reason(call)));
break;
case LinphoneCallResuming:
linphonec_out("Resuming call %i with %s.\n", id, from);
break;
case LinphoneCallStreamsRunning:
linphonec_out("Media streams established with %s for call %i (%s).\n", from,id,( linphone_call_params_video_enabled( linphone_call_get_current_params(call)) ? "video":"audio"));
break;
case LinphoneCallPausing:
linphonec_out("Pausing call %i with %s.\n", id, from);
break;
case LinphoneCallPaused:
linphonec_out("Call %i with %s is now paused.\n", id, from);
break;
case LinphoneCallPausedByRemote:
linphonec_out("Call %i has been paused by %s.\n",id,from);
break;
case LinphoneCallIncomingReceived:
linphonec_call_identify(call);
linphone_call_enable_camera (call,linphonec_camera_enabled);
id=(long)linphone_call_get_user_pointer (call);
linphonec_set_caller(from);
if ( auto_answer) {
answer_call=TRUE;
}
linphonec_out("Receiving new incoming call from %s, assigned id %i\n", from,id);
break;
case LinphoneCallOutgoingInit:
linphonec_call_identify(call);
id=(long)linphone_call_get_user_pointer (call);
linphonec_out("Establishing call id to %s, assigned id %i\n", from,id);
break;
case LinphoneCallUpdatedByRemote:
linphonec_call_updated(call);
break;
case LinphoneCallOutgoingProgress:
linphonec_out("Call %i to %s in progress.\n", id, from);
break;
case LinphoneCallOutgoingRinging:
linphonec_out("Call %i to %s ringing.\n", id, from);
break;
case LinphoneCallConnected:
linphonec_out("Call %i with %s connected.\n", id, from);
break;
case LinphoneCallOutgoingEarlyMedia:
linphonec_out("Call %i with %s early media.\n", id, from);
break;
case LinphoneCallError:
linphonec_out("Call %i with %s error.\n", id, from);
break;
default:
break;
}
ms_free(from);
}
void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md){
SalMediaDescription *oldmd=call->resultdesc;
if (lc->ringstream!=NULL){
ring_stop(lc->ringstream);
lc->ringstream=NULL;
}
if (new_md!=NULL){
sal_media_description_ref(new_md);
call->media_pending=FALSE;
}else{
call->media_pending=TRUE;
}
call->resultdesc=new_md;
if (call->audiostream && call->audiostream->ticker){
/* we already started media: check if we really need to restart it*/
if (oldmd){
if (!media_parameters_changed(call,oldmd,new_md) && !call->playing_ringbacktone){
sal_media_description_unref(oldmd);
if (call->all_muted){
ms_message("Early media finished, unmuting inputs...");
/*we were in early media, now we want to enable real media */
linphone_call_enable_camera (call,linphone_call_camera_enabled (call));
if (call->audiostream)
linphone_core_mute_mic (lc, linphone_core_is_mic_muted(lc));
#ifdef VIDEO_ENABLED
if (call->videostream && call->camera_active)
video_stream_change_camera(call->videostream,lc->video_conf.device );
#endif
}
ms_message("No need to restart streams, SDP is unchanged.");
return;
}else{
ms_message("Media descriptions are different, need to restart the streams.");
}
}
linphone_call_stop_media_streams (call);
linphone_call_init_media_streams (call);
}
if (oldmd)
sal_media_description_unref(oldmd);
if (new_md) {
bool_t all_muted=FALSE;
bool_t send_ringbacktone=FALSE;
if (call->audiostream==NULL){
/*this happens after pausing the call locally. The streams is destroyed and then we wait the 200Ok to recreate it*/
linphone_call_init_media_streams (call);
}
if (call->state==LinphoneCallIncomingEarlyMedia && linphone_core_get_remote_ringback_tone (lc)!=NULL){
send_ringbacktone=TRUE;
}
if (call->state==LinphoneCallIncomingEarlyMedia ||
(call->state==LinphoneCallOutgoingEarlyMedia && !call->params.real_early_media)){
all_muted=TRUE;
}
linphone_call_start_media_streams(call,all_muted,send_ringbacktone);
}
}
static void enable_disable_camera_after_camera_switches() {
LinphoneCoreManager* marie = linphone_core_manager_new("marie_rc");
LinphoneCoreManager* pauline = linphone_core_manager_new(transport_supported(LinphoneTransportTls) ? "pauline_rc" : "pauline_tcp_rc");
const char *currentCamId = (char*)linphone_core_get_video_device(marie->lc);
const char **cameras=linphone_core_get_video_devices(marie->lc);
const char *newCamId=NULL;
int i;
video_call_base_2(marie,pauline,FALSE,LinphoneMediaEncryptionNone,TRUE,TRUE);
for (i=0;cameras[i]!=NULL;++i){
if (strcmp(cameras[i],currentCamId)!=0){
newCamId=cameras[i];
break;
}
}
if (newCamId){
LinphoneCall *call = linphone_core_get_current_call(marie->lc);
ms_message("Switching from [%s] to [%s]", currentCamId, newCamId);
linphone_core_set_video_device(marie->lc, newCamId);
if(call != NULL) {
linphone_core_update_call(marie->lc, call, NULL);
}
BC_ASSERT_STRING_EQUAL(newCamId,ms_web_cam_get_string_id(linphone_call_get_video_device(call)));
linphone_call_enable_camera(call,FALSE);
linphone_core_iterate(marie->lc);
linphone_call_enable_camera(call,TRUE);
BC_ASSERT_STRING_EQUAL(newCamId,ms_web_cam_get_string_id(linphone_call_get_video_device(call)));
}
linphone_core_terminate_all_calls(pauline->lc);
BC_ASSERT_TRUE(wait_for(pauline->lc,marie->lc,&pauline->stat.number_of_LinphoneCallEnd,1));
BC_ASSERT_TRUE(wait_for(pauline->lc,marie->lc,&marie->stat.number_of_LinphoneCallEnd,1));
linphone_core_manager_destroy(marie);
linphone_core_manager_destroy(pauline);
}
void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md){
SalMediaDescription *oldmd=call->resultdesc;
bool_t all_muted=FALSE;
bool_t send_ringbacktone=FALSE;
linphone_core_stop_ringing(lc);
if (!new_md) {
ms_error("linphone_core_update_streams() called with null media description");
return;
}
if (call->biggestdesc==NULL || new_md->n_total_streams>call->biggestdesc->n_total_streams){
/*we have been offered and now are ready to proceed, or we added a new stream*/
/*store the media description to remember the mapping of calls*/
if (call->biggestdesc){
sal_media_description_unref(call->biggestdesc);
call->biggestdesc=NULL;
}
if (sal_call_is_offerer(call->op))
call->biggestdesc=sal_media_description_ref(call->localdesc);
else
call->biggestdesc=sal_media_description_ref(sal_call_get_remote_media_description(call->op));
}
sal_media_description_ref(new_md);
call->expect_media_in_ack=FALSE;
call->resultdesc=new_md;
if ((call->audiostream && call->audiostream->ms.ticker) || (call->videostream && call->videostream->ms.ticker)){
/* we already started media: check if we really need to restart it*/
if (oldmd){
int md_changed = media_parameters_changed(call, oldmd, new_md);
if ((md_changed & SAL_MEDIA_DESCRIPTION_CODEC_CHANGED) || call->playing_ringbacktone) {
ms_message("Media descriptions are different, need to restart the streams.");
} else {
if (md_changed == SAL_MEDIA_DESCRIPTION_UNCHANGED) {
if (call->all_muted){
ms_message("Early media finished, unmuting inputs...");
/*we were in early media, now we want to enable real media */
linphone_call_enable_camera (call,linphone_call_camera_enabled (call));
if (call->audiostream)
linphone_core_enable_mic(lc, linphone_core_mic_enabled(lc));
#ifdef VIDEO_ENABLED
if (call->videostream && call->camera_enabled)
video_stream_change_camera(call->videostream,lc->video_conf.device );
#endif
}
ms_message("No need to restart streams, SDP is unchanged.");
goto end;
}else {
if (md_changed & SAL_MEDIA_DESCRIPTION_NETWORK_CHANGED) {
ms_message("Network parameters have changed, update them.");
linphone_core_update_streams_destinations(lc, call, oldmd, new_md);
}
if (md_changed & SAL_MEDIA_DESCRIPTION_CRYPTO_CHANGED) {
ms_message("Crypto parameters have changed, update them.");
linphone_call_update_crypto_parameters(call, oldmd, new_md);
}
goto end;
}
}
}
linphone_call_stop_media_streams (call);
linphone_call_init_media_streams (call);
}
if (call->audiostream==NULL){
/*this happens after pausing the call locally. The streams are destroyed and then we wait the 200Ok to recreate them*/
linphone_call_init_media_streams (call);
}
if (call->state==LinphoneCallIncomingEarlyMedia && linphone_core_get_remote_ringback_tone (lc)!=NULL){
send_ringbacktone=TRUE;
}
if (call->state==LinphoneCallIncomingEarlyMedia ||
(call->state==LinphoneCallOutgoingEarlyMedia && !call->params.real_early_media)){
all_muted=TRUE;
}
linphone_call_start_media_streams(call,all_muted,send_ringbacktone);
if (call->state==LinphoneCallPausing && call->paused_by_app && ms_list_size(lc->calls)==1){
linphone_core_play_named_tone(lc,LinphoneToneCallOnHold);
}
end:
if (oldmd)
sal_media_description_unref(oldmd);
}
static void cb_call_state_changed (LinphoneCore *lc, LinphoneCall *call, LinphoneCallState st, const char *msg){
char *from;
from = linphone_call_get_remote_address_as_string (call);
switch (st) {
case LinphoneCallEnd:
ShowStatus ("Call with %s ended (%s).", from, linphone_reason_to_string (linphone_call_get_reason (call)));
inCall = FALSE;
if (argCallee) running = FALSE;
break;
case LinphoneCallStreamsRunning:
printf ("I: Media streams established with %s (%s).\n", from, (linphone_call_params_video_enabled( linphone_call_get_current_params(call)) ? "video":"audio"));
break;
case LinphoneCallIncomingReceived:
ShowStatus ("Receiving new incoming call from %s", from, NULL);
linphone_call_enable_camera (call, TRUE); // necessary?
if (inCall)
linphone_core_decline_call (lc, call, LinphoneReasonBusy);
else
linphone_core_accept_call (lc, call); // TBD: must this call be moved outside this handler?
break;
case LinphoneCallOutgoingInit:
ShowStatus ("Establishing call to %s", from, NULL);
break;
case LinphoneCallOutgoingProgress:
ShowStatus ("Call to %s in progress.", from, NULL);
break;
case LinphoneCallOutgoingRinging:
ShowStatus ("Call to %s ringing.", from, NULL);
break;
case LinphoneCallConnected:
ShowStatus ("Connected to %s.", from, NULL);
inCall = TRUE;
break;
case LinphoneCallOutgoingEarlyMedia:
printf ("I: Call with %s early media.", from);
break;
case LinphoneCallError:
ShowStatus ("Call error with %s.", from, NULL);
if (argCallee) error = TRUE;
break;
/*
case LinphoneCallUpdatedByRemote:
printf ("### cb_call_state_changed: Call %i with %s updated.\n", id, from);
cp = linphone_call_get_current_params(call);
// TBD: auto-start camera?
if (!linphone_call_camera_enabled (call) && linphone_call_params_video_enabled (cp)){
printf ("Far end requests to share video.\nType 'camera on' if you agree.\n");
}
break;
case LinphoneCallPausing:
printf ("### cb_call_state_changed: Pausing call %i with %s.\n", id, from);
break;
case LinphoneCallPaused:
printf ("### cb_call_state_changed: Call %i with %s is now paused.\n", id, from);
break;
case LinphoneCallPausedByRemote:
printf ("### cb_call_state_changed: Call %i has been paused by %s.\n",id,from);
break;
case LinphoneCallResuming:
printf ("### cb_call_state_changed: Resuming call %i with %s.\n", id, from);
break;
*/
default:
break;
}
ms_free(from);
}
