static void add_local_endpoint(LinphoneConference *conf,LinphoneCore *lc){
/*create a dummy audiostream in order to extract the local part of it */
/* network address and ports have no meaning and are not used here. */
AudioStream *st=audio_stream_new(65000,65001,FALSE);
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 MSAudioConferenceParams *params=ms_audio_conference_get_params(conf->conf);
conf->local_dummy_profile=make_dummy_profile(params->samplerate);
audio_stream_start_full(st, conf->local_dummy_profile,
"127.0.0.1",
65000,
"127.0.0.1",
65001,
0,
40,
NULL,
NULL,
playcard,
captcard,
linphone_core_echo_cancellation_enabled(lc)
);
_post_configure_audio_stream(st,lc,FALSE);
conf->local_participant=st;
conf->local_endpoint=ms_audio_endpoint_get_from_stream(st,FALSE);
ms_audio_conference_add_member(conf->conf,conf->local_endpoint);
}
bool_t linphone_call_echo_cancellation_enabled(LinphoneCall *call) {
if (call!=NULL && call->audiostream!=NULL && call->audiostream->ec){
bool_t val;
ms_filter_call_method(call->audiostream->ec,MS_ECHO_CANCELLER_GET_BYPASS_MODE,&val);
return !val;
} else {
return linphone_core_echo_cancellation_enabled(call->core);
}
}
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;
const char *statestr=lp_config_get_string(lc->config,"sound","ec_state",NULL);
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);
if (statestr && audiostream->ec){
ms_filter_call_method(audiostream->ec,MS_ECHO_CANCELLER_SET_STATE_STRING,(void*)statestr);
}
}
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);
call->audiostream_app_evq = ortp_ev_queue_new();
rtp_session_register_event_queue(audiostream->session,call->audiostream_app_evq);
#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));
if( lc->video_conf.displaytype != NULL)
video_stream_set_display_filter_name(call->videostream,lc->video_conf.displaytype);
video_stream_set_event_callback(call->videostream,video_stream_event_cb, call);
if (lc->v_rtp)
rtp_session_set_transports(call->videostream->session,lc->v_rtp,lc->v_rtcp);
call->videostream_app_evq = ortp_ev_queue_new();
rtp_session_register_event_queue(call->videostream->session,call->videostream_app_evq);
#ifdef TEST_EXT_RENDERER
video_stream_set_render_callback(call->videostream,rendercb,NULL);
#endif
}
#else
call->videostream=NULL;
#endif
}
void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone){
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;
#ifdef VIDEO_ENABLED
const SalStreamDescription *vstream=sal_media_description_find_stream(call->resultdesc,
SalProtoRtpAvp,SalVideo);
#endif
bool_t use_arc=linphone_core_adaptive_rate_control_enabled(lc);
if(call->audiostream == NULL)
{
ms_fatal("start_media_stream() called without prior init !");
return;
}
call->current_params = call->params;
/* 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 && stream->dir!=SalStreamInactive && stream->port!=0){
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(call,call->resultdesc,stream,&used_pt);
bool_t use_ec,use_arc_audio=use_arc;
if (used_pt!=-1){
if (playcard==NULL) {
ms_warning("No card defined for playback !");
}
if (captcard==NULL) {
ms_warning("No card defined for capture !");
}
/*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;
/*And we will eventually play "playfile" if set by the user*/
/*playfile=NULL;*/
}
if (send_ringbacktone){
captcard=NULL;
playfile=NULL;/* it is setup later*/
}
/*if playfile are supplied don't use soundcards*/
if (lc->use_files) {
captcard=NULL;
playcard=NULL;
}
use_ec=captcard==NULL ? FALSE : linphone_core_echo_cancellation_enabled(lc);
#if defined(VIDEO_ENABLED)
if (vstream && vstream->dir!=SalStreamInactive && vstream->payloads!=NULL){
/*when video is used, do not make adaptive rate control on audio, it is stupid.*/
use_arc_audio=FALSE;
#if defined(ANDROID)
/*On android we have to disable the echo canceller to preserve CPU for video codecs */
use_ec=FALSE;
#endif
}
#endif
audio_stream_enable_adaptive_bitrate_control(call->audiostream,use_arc_audio);
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,
use_ec
);
post_configure_audio_streams(call);
if (all_inputs_muted && !send_ringbacktone){
audio_stream_set_mic_gain(call->audiostream,0);
}
if (stream->dir==SalStreamSendOnly && playfile!=NULL){
int pause_time=500;
ms_filter_call_method(call->audiostream->soundread,MS_FILE_PLAYER_LOOP,&pause_time);
}
if (send_ringbacktone){
setup_ring_player(lc,call);
}
audio_stream_set_rtcp_information(call->audiostream, cname, tool);
}else ms_warning("No audio stream accepted ?");
}
}
#ifdef VIDEO_ENABLED
{
used_pt=-1;
/* shutdown preview */
if (lc->previewstream!=NULL) {
video_preview_stop(lc->previewstream);
lc->previewstream=NULL;
}
call->current_params.has_video=FALSE;
if (vstream && vstream->dir!=SalStreamInactive && vstream->port!=0) {
const char *addr=vstream->addr[0]!='\0' ? vstream->addr : call->resultdesc->addr;
call->video_profile=make_profile(call,call->resultdesc,vstream,&used_pt);
if (used_pt!=-1){
VideoStreamDir dir=VideoStreamSendRecv;
MSWebCam *cam=lc->video_conf.device;
bool_t is_inactive=FALSE;
call->current_params.has_video=TRUE;
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 (lc->video_window_id!=0)
video_stream_set_native_window_id(call->videostream,lc->video_window_id);
if (lc->preview_window_id!=0)
video_stream_set_native_preview_window_id (call->videostream,lc->preview_window_id);
video_stream_use_preview_video_window (call->videostream,lc->use_preview_window);
if (vstream->dir==SalStreamSendOnly && lc->video_conf.capture ){
cam=get_nowebcam_device();
dir=VideoStreamSendOnly;
}else if (vstream->dir==SalStreamRecvOnly && lc->video_conf.display ){
dir=VideoStreamRecvOnly;
}else if (vstream->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 (call->camera_active==FALSE || all_inputs_muted){
cam=get_nowebcam_device();
}
if (!is_inactive){
video_stream_set_direction (call->videostream, dir);
video_stream_start(call->videostream,
call->video_profile, addr, vstream->port,
vstream->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
call->all_muted=all_inputs_muted;
call->playing_ringbacktone=send_ringbacktone;
call->up_bw=linphone_core_get_upload_bandwidth(lc);
if (ortp_zrtp_available()) {
OrtpZrtpParams params;
params.zid=get_hexa_zrtp_identifier(lc);
params.zid_file=lc->zrtp_secrets_cache;
audio_stream_enable_zrtp(call->audiostream,¶ms);
}
goto end;
end:
ms_free(cname);
linphone_address_destroy(me);
}
