Beispiel #1
0
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
}
static void run_media_streams(int localport, const char *remote_ip, int remoteport, int payload, const char *fmtp,
          int jitter, int bitrate, MSVideoSize vs, bool_t ec, bool_t agc, bool_t eq)
{
	AudioStream *audio=NULL;
#ifdef VIDEO_ENABLED
	VideoStream *video=NULL;
#endif
	RtpSession *session=NULL;
	PayloadType *pt;
	RtpProfile *profile=rtp_profile_clone_full(&av_profile);
	OrtpEvQueue *q=ortp_ev_queue_new();	

	ms_init();
	signal(SIGINT,stop_handler);
	pt=rtp_profile_get_payload(profile,payload);
	if (pt==NULL){
		printf("Error: no payload defined with number %i.",payload);
		exit(-1);
	}
	if (fmtp!=NULL) payload_type_set_send_fmtp(pt,fmtp);
	if (bitrate>0) pt->normal_bitrate=bitrate;

	if (pt->type!=PAYLOAD_VIDEO){
		MSSndCardManager *manager=ms_snd_card_manager_get();
		MSSndCard *capt= capture_card==NULL ? ms_snd_card_manager_get_default_capture_card(manager) :
				ms_snd_card_manager_get_card(manager,capture_card);
		MSSndCard *play= playback_card==NULL ? ms_snd_card_manager_get_default_playback_card(manager) :
				ms_snd_card_manager_get_card(manager,playback_card);
		audio=audio_stream_new(localport,ms_is_ipv6(remote_ip));
		audio_stream_enable_automatic_gain_control(audio,agc);
		audio_stream_enable_noise_gate(audio,use_ng);
		audio_stream_set_echo_canceller_params(audio,ec_len_ms,ec_delay_ms,ec_framesize);
		printf("Starting audio stream.\n");
	
		audio_stream_start_full(audio,profile,remote_ip,remoteport,remoteport+1, payload, jitter,infile,outfile,
		                        outfile==NULL ? play : NULL ,infile==NULL ? capt : NULL,infile!=NULL ? FALSE: ec);
		
		if (audio) {
			if (use_ng && ng_threshold!=-1)
				ms_filter_call_method(audio->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_threshold);
			session=audio->session;
		}
	}else{
#ifdef VIDEO_ENABLED
		if (eq){
			ms_fatal("Cannot put an audio equalizer in a video stream !");
			exit(-1);
		}
		printf("Starting video stream.\n");
		video=video_stream_new(localport, ms_is_ipv6(remote_ip));
		video_stream_set_sent_video_size(video,vs);
		video_stream_use_preview_video_window(video,two_windows);
		video_stream_start(video,profile,
					remote_ip,
					remoteport,remoteport+1,
					payload,
					jitter,
					ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get()));
		session=video->session;
#else
		printf("Error: video support not compiled.\n");
#endif
	}
  if (eq || ec){ /*read from stdin interactive commands */
    char commands[128];
    commands[127]='\0';
    ms_sleep(1);  /* ensure following text be printed after ortp messages */
    if (eq)
      printf("\nPlease enter equalizer requests, such as 'eq active 1', 'eq active 0', 'eq 1200 0.1 200'\n");
    if (ec)
      printf("\nPlease enter echo canceller requests: ec reset; ec <delay ms> <tail_length ms'\n");
    while(fgets(commands,sizeof(commands)-1,stdin)!=NULL){
      int active,freq,freq_width;
      int delay_ms, tail_ms;
      float gain;
      if (sscanf(commands,"eq active %i",&active)==1){
        audio_stream_enable_equalizer(audio,active);
        printf("OK\n");
      }else if (sscanf(commands,"eq %i %f %i",&freq,&gain,&freq_width)==3){
        audio_stream_equalizer_set_gain(audio,freq,gain,freq_width);
        printf("OK\n");
      }else if (sscanf(commands,"eq %i %f",&freq,&gain)==2){
        audio_stream_equalizer_set_gain(audio,freq,gain,0);
        printf("OK\n");
      }else if (strstr(commands,"dump")){
        int n=0,i;
        float *t;
        ms_filter_call_method(audio->equalizer,MS_EQUALIZER_GET_NUM_FREQUENCIES,&n);
        t=(float*)alloca(sizeof(float)*n);
        ms_filter_call_method(audio->equalizer,MS_EQUALIZER_DUMP_STATE,t);
        for(i=0;i<n;++i){
          if (fabs(t[i]-1)>0.01){
            printf("%i:%f:0 ",(i*pt->clock_rate)/(2*n),t[i]);
          }
        }
        printf("\nOK\n");
      }else if (sscanf(commands,"ec reset %i",&active)==1){
          //audio_stream_enable_equalizer(audio,active);
          //printf("OK\n");
      }else if (sscanf(commands,"ec active %i",&active)==1){
          //audio_stream_enable_equalizer(audio,active);
          //printf("OK\n");
      }else if (sscanf(commands,"ec %i %i",&delay_ms,&tail_ms)==2){
        audio_stream_set_echo_canceller_params(audio,tail_ms,delay_ms,128);
        // revisit: workaround with old method call to force echo reset
        delay_ms*=8;
        ms_filter_call_method(audio->ec,MS_FILTER_SET_PLAYBACKDELAY,&delay_ms);
        printf("OK\n");
      }else if (strstr(commands,"quit")){
        break;
      }else printf("Cannot understand this.\n");
    }
	}else{  /* no interactive stuff - continuous debug output */
		rtp_session_register_event_queue(session,q);
		while(cond)
		{
			int n;
			for(n=0;n<100;++n){
	#ifdef WIN32
				MSG msg;
				Sleep(10);
				while (PeekMessage(&msg, NULL, 0, 0,1)){
					TranslateMessage(&msg);
					DispatchMessage(&msg);
				}
	#else
				struct timespec ts;
				ts.tv_sec=0;
				ts.tv_nsec=10000000;
				nanosleep(&ts,NULL);
	#endif
	#if defined(VIDEO_ENABLED)
				if (video) video_stream_iterate(video);
	#endif
			}
			ortp_global_stats_display();
			if (session){
				printf("Bandwidth usage: download=%f kbits/sec, upload=%f kbits/sec\n",
					rtp_session_compute_recv_bandwidth(session)*1e-3,
					rtp_session_compute_send_bandwidth(session)*1e-3);
				parse_events(q);
			}
		}
					}
	
	printf("stopping all...\n");
	
	if (audio) audio_stream_stop(audio);
#ifdef VIDEO_ENABLED
	if (video) video_stream_stop(video);
#endif
	ortp_ev_queue_destroy(q);
	rtp_profile_destroy(profile);
}