RtpSession* rtp_listen(const char *remote_addr, unsigned short remote_port) { RtpSession *rtpSession; recv_ts=0; send_ts=0; rtpSession=rtp_session_new(RTP_SESSION_SENDRECV); rtp_session_set_scheduling_mode(rtpSession,TRUE); rtp_session_set_blocking_mode(rtpSession,FALSE); #ifdef HAVE_RTCP_ORTP rtp_session_set_local_addr(rtpSession,INADDR_DSPSERVER,LOCAL_RTP_PORT,LOCAL_RTCP_PORT); #else rtp_session_set_local_addr(rtpSession,INADDR_DSPSERVER,LOCAL_RTP_PORT); #endif rtp_session_set_remote_addr(rtpSession, remote_addr, remote_port ); rtp_session_set_connected_mode(rtpSession,TRUE); rtp_session_set_symmetric_rtp(rtpSession,TRUE); rtp_session_enable_adaptive_jitter_compensation(rtpSession,adapt); rtp_session_set_jitter_compensation(rtpSession,jittcomp); rtp_session_set_payload_type(rtpSession,0); rtp_session_set_time_jump_limit (rtpSession, timestamp_jump_limit); //rtp_session_signal_connect(rtpSession,"ssrc_changed",(RtpCallback)ssrc_cb,0); rtp_session_signal_connect(rtpSession,"ssrc_changed",(RtpCallback)rtp_session_reset,0); rtp_session_signal_connect(rtpSession,"timestamp_jump",(RtpCallback)rtp_session_resync,0); rtp_listening = 1; rtp_connected = 1; return rtpSession; }
RtpSession * create_duplex_rtpsession( int locport, bool_t ipv6){ RtpSession *rtpr; rtpr=rtp_session_new(RTP_SESSION_SENDRECV); rtp_session_set_recv_buf_size(rtpr,MAX_RTP_SIZE); rtp_session_set_scheduling_mode(rtpr,0); rtp_session_set_blocking_mode(rtpr,0); rtp_session_enable_adaptive_jitter_compensation(rtpr,TRUE); rtp_session_set_symmetric_rtp(rtpr,TRUE); rtp_session_set_local_addr(rtpr,ipv6 ? "::" : "0.0.0.0",locport); rtp_session_signal_connect(rtpr,"timestamp_jump",(RtpCallback)rtp_session_resync,(long)NULL); rtp_session_signal_connect(rtpr,"ssrc_changed",(RtpCallback)rtp_session_resync,(long)NULL); return rtpr; }
// Constructors MastTool::MastTool( const char* tool_name, RtpSessionMode mode ) { int log_level = ORTP_WARNING|ORTP_ERROR|ORTP_FATAL; // Initialise defaults this->session = NULL; this->profile = &av_profile; this->mimetype = new MastMimeType(); this->payloadtype = NULL; this->payloadtype_index = -1; this->tool_name = tool_name; this->payload_size_limit = DEFAULT_PAYLOAD_LIMIT; // Initialise the oRTP library ortp_init(); // Set the logging message level #ifdef DEBUGGING MAST_DEBUG( "Compiled with debugging enabled" ); log_level |= ORTP_DEBUG; log_level |= ORTP_MESSAGE; #endif ortp_set_log_level_mask(log_level); // Create RTP session session = rtp_session_new( mode ); if (session==NULL) { MAST_FATAL( "Failed to create oRTP session.\n" ); } // Enabled multicast loopback rtp_session_set_multicast_loopback(session, TRUE); // Callbacks rtp_session_signal_connect(session,"ssrc_changed",(RtpCallback)ssrc_changed_cb, 0); rtp_session_signal_connect(session,"payload_type_changed",(RtpCallback)pt_changed_cb, 0); rtp_session_signal_connect(session,"network_error",(RtpCallback)network_error_cb, 0); // Set the MPEG Audio payload type to 14 in the AV profile rtp_profile_set_payload(profile, RTP_MPEG_AUDIO_PT, &payload_type_mpeg_audio); // Set RTCP parameters this->set_source_sdes(); }
RtpSession * create_duplex_rtpsession(int loc_rtp_port, int loc_rtcp_port, bool_t ipv6) { RtpSession *rtpr; rtpr = rtp_session_new(RTP_SESSION_SENDRECV); rtp_session_set_recv_buf_size(rtpr, MAX(ms_get_mtu() , MS_MINIMAL_MTU)); rtp_session_set_scheduling_mode(rtpr, 0); rtp_session_set_blocking_mode(rtpr, 0); rtp_session_enable_adaptive_jitter_compensation(rtpr, TRUE); rtp_session_set_symmetric_rtp(rtpr, TRUE); rtp_session_set_local_addr(rtpr, ipv6 ? "::" : "0.0.0.0", loc_rtp_port, loc_rtcp_port); rtp_session_signal_connect(rtpr, "timestamp_jump", (RtpCallback)rtp_session_resync, (long)NULL); rtp_session_signal_connect(rtpr, "ssrc_changed", (RtpCallback)rtp_session_resync, (long)NULL); rtp_session_set_ssrc_changed_threshold(rtpr, 0); disable_checksums(rtp_session_get_rtp_socket(rtpr)); return rtpr; }
static int rtp_setup( struct rtp_spook_input *conf ) { // ??RTP?? conf->session=rtp_session_new(RTP_SESSION_RECVONLY); rtp_session_set_scheduling_mode(conf->session,1); rtp_session_set_blocking_mode(conf->session,1); rtp_session_set_local_addr(conf->session,"0.0.0.0", conf->localport); rtp_session_set_connected_mode(conf->session,TRUE); rtp_session_set_symmetric_rtp(conf->session,TRUE); rtp_session_enable_adaptive_jitter_compensation(conf->session,TRUE); rtp_session_set_jitter_compensation(conf->session,40); rtp_session_set_payload_type(conf->session,0); rtp_session_signal_connect(conf->session,"ssrc_changed",(RtpCallback)ssrc_cb,0); rtp_session_signal_connect(conf->session,"ssrc_changed",(RtpCallback)rtp_session_reset,0); return 0; }
RtpSession * ms_create_duplex_rtp_session(const char* local_ip, int loc_rtp_port, int loc_rtcp_port, int mtu) { RtpSession *rtpr; rtpr = rtp_session_new(RTP_SESSION_SENDRECV); rtp_session_set_recv_buf_size(rtpr, MAX(mtu , MS_MINIMAL_MTU)); rtp_session_set_scheduling_mode(rtpr, 0); rtp_session_set_blocking_mode(rtpr, 0); rtp_session_enable_adaptive_jitter_compensation(rtpr, TRUE); rtp_session_set_symmetric_rtp(rtpr, TRUE); rtp_session_set_local_addr(rtpr, local_ip, loc_rtp_port, loc_rtcp_port); rtp_session_signal_connect(rtpr, "timestamp_jump", (RtpCallback)rtp_session_resync, NULL); rtp_session_signal_connect(rtpr, "ssrc_changed", (RtpCallback)rtp_session_resync, NULL); rtp_session_set_ssrc_changed_threshold(rtpr, 0); rtp_session_set_rtcp_report_interval(rtpr, 2500); /* At the beginning of the session send more reports. */ rtp_session_set_multicast_loopback(rtpr,TRUE); /*very useful, specially for testing purposes*/ disable_checksums(rtp_session_get_rtp_socket(rtpr)); return rtpr; }
int main(int argc, char *argv[]) { RtpSession *session; unsigned char buffer[160]; int err; FILE *outfile; uint32_t ts=0; int have_more; if (argc<3){ printf("%s",help); return -1; } ortp_init(); ortp_scheduler_init(); /* set the telephony event payload type to 96 in the av profile.*/ rtp_profile_set_payload(&av_profile,96,&payload_type_telephone_event); session=rtp_session_new(RTP_SESSION_RECVONLY); rtp_session_set_scheduling_mode(session,1); rtp_session_set_blocking_mode(session,1); rtp_session_set_local_addr(session,"0.0.0.0",atoi(argv[2])); rtp_session_set_payload_type(session,0); /* register for telephony events */ rtp_session_signal_connect(session,"telephone-event",(RtpCallback)recv_tev_cb,0); outfile=fopen(argv[1],"wb"); if (outfile==NULL) { perror("Cannot open file"); return -1; } signal(SIGINT,stophandler); while(runcond) { have_more=1; while (have_more){ err=rtp_session_recv_with_ts(session,buffer,160,ts,&have_more); if (err>0) { size_t ret = fwrite(buffer,1,err,outfile); assert( ret == err ); } } ts+=160; //ortp_message("Receiving packet."); } fclose(outfile); rtp_session_destroy(session); ortp_exit(); ortp_global_stats_display(); printf("Total dtmf events received: %i\n",dtmf_count); return 0; }
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 (!call->audio_muted) audio_stream_set_mic_gain(st,mic_gain); else audio_stream_set_mic_gain(st,0); 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); 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); float transmit_thres=lp_config_get_float(lc->config,"sound","el_transmit_thres",-1); MSFilter *f=NULL; 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 (transmit_thres!=-1) ms_filter_call_method(f,MS_VOLUME_SET_EA_TRANSMIT_THRESHOLD,&transmit_thres); 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); } }
int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *rem_rtp_ip, int rem_rtp_port, const char *rem_rtcp_ip, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *cam){ PayloadType *pt; RtpSession *rtps=stream->ms.session; MSPixFmt format; MSVideoSize disp_size; int tmp; JBParameters jbp; const int socket_buf_size=2000000; if (cam==NULL){ cam=ms_web_cam_manager_get_default_cam ( ms_web_cam_manager_get()); } pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ ms_error("videostream.c: undefined payload type."); return -1; } if ((cam != NULL) && (cam->desc->encode_to_mime_type != NULL) && (cam->desc->encode_to_mime_type(cam, pt->mime_type) == TRUE)) { stream->source_performs_encoding = TRUE; } rtp_session_set_profile(rtps,profile); if (rem_rtp_port>0) rtp_session_set_remote_addr_full(rtps,rem_rtp_ip,rem_rtp_port,rem_rtcp_ip,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); rtp_session_signal_connect(stream->ms.session,"payload_type_changed", (RtpCallback)mediastream_payload_type_changed,(unsigned long)&stream->ms); rtp_session_get_jitter_buffer_params(stream->ms.session,&jbp); jbp.max_packets=1000;//needed for high resolution video rtp_session_set_jitter_buffer_params(stream->ms.session,&jbp); rtp_session_set_rtp_socket_recv_buffer_size(stream->ms.session,socket_buf_size); rtp_session_set_rtp_socket_send_buffer_size(stream->ms.session,socket_buf_size); if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamSendOnly){ MSConnectionHelper ch; /*plumb the outgoing stream */ if (rem_rtp_port>0) ms_filter_call_method(stream->ms.rtpsend,MS_RTP_SEND_SET_SESSION,stream->ms.session); if (stream->source_performs_encoding == FALSE) { stream->ms.encoder=ms_filter_create_encoder(pt->mime_type); if ((stream->ms.encoder==NULL) ){ /* big problem: we don't have a registered codec for this payload...*/ ms_error("videostream.c: No encoder available for payload %i:%s.",payload,pt->mime_type); return -1; } } /* creates the filters */ stream->cam=cam; stream->source = ms_web_cam_create_reader(cam); stream->tee = ms_filter_new(MS_TEE_ID); if (stream->source_performs_encoding == TRUE) { stream->ms.encoder = stream->source; /* Consider the encoder is the source */ } if (pt->normal_bitrate>0){ MSVideoConfiguration *vconf_list = NULL; ms_message("Limiting bitrate of video encoder to %i bits/s",pt->normal_bitrate); ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_GET_CONFIGURATION_LIST, &vconf_list); if (vconf_list != NULL) { MSVideoConfiguration vconf = ms_video_find_best_configuration_for_bitrate(vconf_list, pt->normal_bitrate); ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_SET_CONFIGURATION, &vconf); } else { ms_filter_call_method(stream->ms.encoder, MS_FILTER_SET_BITRATE, &pt->normal_bitrate); } } if (pt->send_fmtp){ ms_filter_call_method(stream->ms.encoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); } if (stream->use_preview_window){ if (stream->rendercb==NULL){ stream->output2=ms_filter_new_from_name (stream->display_name); } } configure_video_source (stream); /* and then connect all */ ms_connection_helper_start(&ch); ms_connection_helper_link(&ch, stream->source, -1, 0); if (stream->pixconv) { ms_connection_helper_link(&ch, stream->pixconv, 0, 0); } if (stream->sizeconv) { ms_connection_helper_link(&ch, stream->sizeconv, 0, 0); } ms_connection_helper_link(&ch, stream->tee, 0, 0); if (stream->source_performs_encoding == FALSE) { ms_connection_helper_link(&ch, stream->ms.encoder, 0, 0); } ms_connection_helper_link(&ch, stream->ms.rtpsend, 0, -1); if (stream->output2){ if (stream->preview_window_id!=0){ ms_filter_call_method(stream->output2, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->preview_window_id); } ms_filter_link(stream->tee,1,stream->output2,0); } } if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamRecvOnly){ MSConnectionHelper ch; MSVideoDisplayDecodingSupport decoding_support; if (stream->rendercb!=NULL){ stream->output=ms_filter_new(MS_EXT_DISPLAY_ID); ms_filter_set_notify_callback(stream->output,ext_display_cb,stream); }else{ stream->output=ms_filter_new_from_name (stream->display_name); } /* Don't allow null output */ if(stream->output == NULL) { ms_fatal("No video display filter could be instantiated. Please check build-time configuration"); } /* Check if the output filter can perform the decoding process */ decoding_support.mime_type = pt->mime_type; decoding_support.supported = FALSE; ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_SUPPORT_DECODING, &decoding_support); stream->output_performs_decoding = decoding_support.supported; /*plumb the incoming stream */ if (stream->output_performs_decoding == TRUE) { stream->ms.decoder = stream->output; /* Consider the decoder is the output */ } else { stream->ms.decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->ms.decoder==NULL) ){ /* big problem: we don't have a registered decoderfor this payload...*/ ms_error("videostream.c: No decoder available for payload %i:%s.",payload,pt->mime_type); ms_filter_destroy(stream->output); return -1; } } ms_filter_set_notify_callback(stream->ms.decoder, event_cb, stream); stream->ms.rtprecv = ms_filter_new (MS_RTP_RECV_ID); ms_filter_call_method(stream->ms.rtprecv,MS_RTP_RECV_SET_SESSION,stream->ms.session); if (stream->output_performs_decoding == FALSE) { stream->jpegwriter=ms_filter_new(MS_JPEG_WRITER_ID); if (stream->jpegwriter) stream->tee2=ms_filter_new(MS_TEE_ID); } /* set parameters to the decoder*/ if (pt->send_fmtp){ ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); } if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /*force the decoder to output YUV420P */ format=MS_YUV420P; ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_PIX_FMT,&format); /*configure the display window */ if(stream->output != NULL) { disp_size.width=MS_VIDEO_SIZE_CIF_W; disp_size.height=MS_VIDEO_SIZE_CIF_H; tmp=1; ms_filter_call_method(stream->output,MS_FILTER_SET_VIDEO_SIZE,&disp_size); ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_ENABLE_AUTOFIT,&tmp); ms_filter_call_method(stream->output,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_LOCAL_VIEW_MODE,&stream->corner); if (stream->window_id!=0){ ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->window_id); } if (stream->display_filter_auto_rotate_enabled) { ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation); } } /* and connect the filters */ ms_connection_helper_start (&ch); ms_connection_helper_link (&ch,stream->ms.rtprecv,-1,0); if (stream->output_performs_decoding == FALSE) { ms_connection_helper_link (&ch,stream->ms.decoder,0,0); } if (stream->tee2){ ms_connection_helper_link (&ch,stream->tee2,0,0); ms_filter_link(stream->tee2,1,stream->jpegwriter,0); } if (stream->output!=NULL) ms_connection_helper_link (&ch,stream->output,0,-1); /* the video source must be send for preview , if it exists*/ if (stream->tee!=NULL && stream->output!=NULL && stream->output2==NULL) ms_filter_link(stream->tee,1,stream->output,1); } if (stream->dir == VideoStreamSendOnly) { stream->ms.rtprecv = ms_filter_new (MS_RTP_RECV_ID); ms_filter_call_method(stream->ms.rtprecv, MS_RTP_RECV_SET_SESSION, stream->ms.session); stream->ms.voidsink = ms_filter_new(MS_VOID_SINK_ID); ms_filter_link(stream->ms.rtprecv, 0, stream->ms.voidsink, 0); } /* create the ticker */ if (stream->ms.ticker==NULL) start_ticker(&stream->ms); stream->ms.start_time=ms_time(NULL); stream->ms.is_beginning=TRUE; /* attach the graphs */ if (stream->source) ms_ticker_attach (stream->ms.ticker, stream->source); if (stream->ms.rtprecv) ms_ticker_attach (stream->ms.ticker, stream->ms.rtprecv); return 0; }
int main(int argc, char *argv[]) { RtpSession *session[STREAMS_COUNT]; gint i; gint filefd[STREAMS_COUNT]; gint port; guint32 user_ts=0; gint channels; SessionSet *set; gchar *filename; if (argc<4){ printf(help); return -1; } channels=atoi(argv[3]); if (channels==0){ printf(help); return -1; } ortp_init(); ortp_scheduler_init(); ortp_set_debug_file("oRTP",NULL); /* set the telephony event payload type to 96 in the av profile.*/ rtp_profile_set_payload(&av_profile,96,&payload_type_telephone_event); port=atoi(argv[2]); p_channel_id = (int *)g_malloc(channels*sizeof(int)); for (i=0;i<channels;i++){ session[i]=rtp_session_new(RTP_SESSION_RECVONLY); rtp_session_set_scheduling_mode(session[i],1); rtp_session_set_blocking_mode(session[i],0); rtp_session_set_local_addr(session[i],"0.0.0.0",port); rtp_session_set_recv_payload_type(session[i],0); rtp_session_set_recv_buf_size(session[i],256); p_channel_id[i] = i; /* register for telephony events */ rtp_session_signal_connect(session[i],"telephone-event",(RtpCallback)recv_tev_cb,&p_channel_id[i]); port+=2; } filename=g_malloc(strlen(argv[1])+8); for (i=0;i<channels;i++){ sprintf(filename,"%s%4.4d.dat",argv[1],i); #ifndef _WIN32 filefd[i]=open(filename,O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); #else filefd[i]=open(filename,_O_BINARY | O_WRONLY | O_CREAT | O_TRUNC); #endif if (filefd[i]<0) g_error("Could not open %s for writing: %s",filename,strerror(errno)); } signal(SIGINT,stophandler); /* create a set */ set=session_set_new(); while(runcond) { int k; for (k=0;k<channels;k++){ /* add the session to the set */ session_set_set(set,session[k]); } /* and then suspend the process by selecting() */ session_set_select(set,NULL,NULL); for (k=0;k<channels;k++){ if (session_set_is_set(set,session[k])){ rtp2disk(session[k],user_ts,filefd[k]); } } user_ts+=160; } for (i=0;i<channels;i++){ close(filefd[i]); rtp_session_destroy(session[i]); } session_set_destroy(set); g_free(p_channel_id); g_free(filename); ortp_exit(); ortp_global_stats_display(); return 0; }
int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *remip, int remport, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *cam) { PayloadType *pt; RtpSession *rtps=stream->session; MSPixFmt format; MSVideoSize vsize; float fps=15; vsize.height=MS_VIDEO_SIZE_CIF_H; vsize.width=MS_VIDEO_SIZE_CIF_W; pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ ms_error("videostream.c: undefined payload type."); return -1; } stream->encoder=ms_filter_create_encoder(pt->mime_type); stream->decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->encoder==NULL) || (stream->decoder==NULL)){ /* big problem: we have not a registered codec for this payload...*/ ms_error("videostream.c: No codecs available for payload %i:%s.",payload,pt->mime_type); return -1; } rtp_session_set_profile(rtps,profile); if (remport>0) rtp_session_set_remote_addr_full(rtps,remip,remport,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); rtp_session_signal_connect(stream->session,"payload_type_changed", (RtpCallback)payload_type_changed,(unsigned long)stream); rtp_session_set_recv_buf_size(stream->session,MAX_RTP_SIZE); /* creates two rtp filters to recv send streams (remote part) */ if (remport>0) ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,stream->session); stream->rtprecv = ms_filter_new (MS_RTP_RECV_ID); ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,stream->session); /* creates the filters */ stream->source = ms_web_cam_create_reader(cam); stream->tee = ms_filter_new(MS_TEE_ID); stream->output=ms_filter_new(MS_VIDEO_OUT_ID); stream->sizeconv=ms_filter_new(MS_SIZE_CONV_ID); if (pt->normal_bitrate>0){ ms_message("Limiting bitrate of video encoder to %i bits/s",pt->normal_bitrate); ms_filter_call_method(stream->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); } /* set parameters to the encoder and decoder*/ if (pt->send_fmtp){ ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); } ms_filter_call_method(stream->encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->encoder,MS_FILTER_GET_FPS,&fps); ms_message("Setting vsize=%ix%i, fps=%f",vsize.width,vsize.height,fps); /* configure the filters */ ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps); ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize); /* get the output format for webcam reader */ ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format); if (format==MS_MJPEG){ stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID); }else{ stream->pixconv = ms_filter_new(MS_PIX_CONV_ID); /*set it to the pixconv */ ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); } ms_filter_call_method(stream->encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->sizeconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); /*force the decoder to output YUV420P */ format=MS_YUV420P; ms_filter_call_method(stream->decoder,MS_FILTER_SET_PIX_FMT,&format); /*ask the video display to always output CIF */ vsize.height=MS_VIDEO_SIZE_CIF_H; vsize.width=MS_VIDEO_SIZE_CIF_W; ms_filter_call_method(stream->output,MS_FILTER_SET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->output,MS_FILTER_SET_PIX_FMT,&format); if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /* and then connect all */ ms_filter_link (stream->source, 0, stream->pixconv, 0); ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_link (stream->sizeconv, 0, stream->tee, 0); ms_filter_link (stream->tee, 0 ,stream->encoder, 0 ); ms_filter_link (stream->encoder,0, stream->rtpsend,0); ms_filter_link (stream->rtprecv, 0, stream->decoder, 0); ms_filter_link (stream->decoder,0 , stream->output, 0); /* the source video must be send for preview */ ms_filter_link(stream->tee,1,stream->output,1); /* create the ticker */ stream->ticker = ms_ticker_new(); /* attach it the graph */ ms_ticker_attach (stream->ticker, stream->source); return 0; }
int main(int argc, char*argv[]) { RtpSession *session; unsigned char buffer[32]; int err; uint32_t ts=0; int stream_received=0; FILE *outfile; int local_port; int have_more; int i; int format=0; int soundcard=0; int sound_fd=0; int jittcomp=40; bool_t adapt=TRUE; /* init the lib */ if (argc<3){ printf("%s",help); return -1; } local_port=atoi(argv[2]); if (local_port<=0) { printf("%s",help); return -1; } for (i=3;i<argc;i++) { if (strcmp(argv[i],"--noadapt")==0) adapt=FALSE; if (strcmp(argv[i],"--format")==0){ i++; if (i<argc){ if (strcmp(argv[i],"mulaw")==0){ format=MULAW; }else if (strcmp(argv[i],"alaw")==0){ format=ALAW; }else{ printf("Unsupported format %s\n",argv[i]); return -1; } } } else if (strcmp(argv[i],"--soundcard")==0){ soundcard=1; } else if (strcmp(argv[i],"--with-jitter")==0){ i++; if (i<argc){ jittcomp=atoi(argv[i]); printf("Using a jitter buffer of %i milliseconds.\n",jittcomp); } } } outfile=fopen(argv[1],"wb"); if (outfile==NULL) { perror("Cannot open file for writing"); return -1; } if (soundcard){ sound_fd=sound_init(format); } ortp_init(); ortp_scheduler_init(); ortp_set_log_level_mask(ORTP_DEBUG|ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR); signal(SIGINT,stop_handler); session=rtp_session_new(RTP_SESSION_RECVONLY); rtp_session_set_scheduling_mode(session,1); rtp_session_set_blocking_mode(session,1); rtp_session_set_local_addr(session,"0.0.0.0",atoi(argv[2])); rtp_session_set_connected_mode(session,TRUE); rtp_session_set_symmetric_rtp(session,TRUE); rtp_session_enable_adaptive_jitter_compensation(session,adapt); rtp_session_set_jitter_compensation(session,jittcomp); rtp_session_set_payload_type(session,0); rtp_session_signal_connect(session,"ssrc_changed",(RtpCallback)ssrc_cb,0); rtp_session_signal_connect(session,"ssrc_changed",(RtpCallback)rtp_session_reset,0); fwrite("#!AMR\n",1,6,outfile); // write(sound_fd,"#!AMR\n",err); while(cond) { have_more=1; while (have_more){ err=rtp_session_recv_with_ts(session,buffer,32,ts,&have_more); if (err>0) stream_received=1; /* this is to avoid to write to disk some silence before the first RTP packet is returned*/ if ((stream_received) && (err>0)) { size_t ret = fwrite(buffer,1,err,outfile); int ii; for(ii =0 ; ii < 32 ; ii ++) printf("%x " ,buffer[ii]); printf("\n"); // while(1); if (sound_fd>0){ ret = write(sound_fd,buffer,err); if (ret==-1){ fprintf(stderr,"write to sound card failed (%s)",strerror(errno)); } } } } ts+=160; //ortp_message("Receiving packet."); } rtp_session_destroy(session); ortp_exit(); ortp_global_stats_display(); return 0; }
int audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char *remip,int remport, int rem_rtcp_port, int payload,int jitt_comp, const char *infile, const char *outfile, MSSndCard *playcard, MSSndCard *captcard, bool_t use_ec) { RtpSession *rtps=stream->session; PayloadType *pt; int tmp; MSConnectionHelper h; rtp_session_set_profile(rtps,profile); if (remport>0) rtp_session_set_remote_addr_full(rtps,remip,remport,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); if (remport>0) ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,rtps); stream->rtprecv=ms_filter_new(MS_RTP_RECV_ID); ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,rtps); stream->session=rtps; stream->dtmfgen=ms_filter_new(MS_DTMF_GEN_ID); rtp_session_signal_connect(rtps,"telephone-event",(RtpCallback)on_dtmf_received,(unsigned long)stream); rtp_session_signal_connect(rtps,"payload_type_changed",(RtpCallback)payload_type_changed,(unsigned long)stream); /* creates the local part */ if (captcard!=NULL) stream->soundread=ms_snd_card_create_reader(captcard); else { stream->soundread=ms_filter_new(MS_FILE_PLAYER_ID); stream->read_resampler=ms_filter_new(MS_RESAMPLE_ID); if (infile!=NULL) audio_stream_play(stream,infile); } if (playcard!=NULL) stream->soundwrite=ms_snd_card_create_writer(playcard); else { stream->soundwrite=ms_filter_new(MS_FILE_REC_ID); if (outfile!=NULL) audio_stream_record(stream,outfile); } /* creates the couple of encoder/decoder */ pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ ms_error("audiostream.c: undefined payload type."); return -1; } stream->encoder=ms_filter_create_encoder(pt->mime_type); stream->decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->encoder==NULL) || (stream->decoder==NULL)){ /* big problem: we have not a registered codec for this payload...*/ ms_error("mediastream.c: No decoder available for payload %i.",payload); return -1; } if (stream->el_type!=ELInactive || stream->use_gc || stream->use_ng){ stream->volsend=ms_filter_new(MS_VOLUME_ID); stream->volrecv=ms_filter_new(MS_VOLUME_ID); if (stream->el_type!=ELInactive){ if (stream->el_type==ELControlFull) { /* also reduce speaker gain when no signal - same parameters as std. noise gate */ int tmp=1; ms_filter_call_method(stream->volrecv,MS_VOLUME_ENABLE_NOISE_GATE,&tmp); } ms_filter_call_method(stream->volsend,MS_VOLUME_SET_PEER,stream->volrecv); } if (stream->use_ng){ int tmp=1; ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_NOISE_GATE,&tmp); } } if (stream->use_agc || stream->use_nr){ int tmp=1; if (stream->volsend==NULL) stream->volsend=ms_filter_new(MS_VOLUME_ID); if(stream->use_agc) ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_AGC,&tmp); /*Noise Reduction*/ if(stream->use_nr) ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_NR,&tmp); } /* give the sound filters some properties */ if (ms_filter_call_method(stream->soundread,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate) != 0) { /* need to add resampler*/ if (stream->read_resampler == NULL) stream->read_resampler=ms_filter_new(MS_RESAMPLE_ID); } if (ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate) != 0) { /* need to add resampler*/ if (stream->write_resampler == NULL) stream->write_resampler=ms_filter_new(MS_RESAMPLE_ID); } tmp=1; ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_NCHANNELS, &tmp); if(stream->record_enabled) { stream->filewriter = ms_filter_new(MS_FILE_REC_ID); stream->recordmixer= ms_filter_new(MS_AUDIO_MIXER_ID); stream->mic_tee = ms_filter_new(MS_TEE_ID); stream->spk_tee = ms_filter_new(MS_TEE_ID); ms_filter_call_method(stream->filewriter,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); ms_filter_call_method(stream->recordmixer,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); tmp=1; ms_filter_call_method(stream->recordmixer,MS_FILTER_SET_NCHANNELS,&tmp); } /*configure the echo canceller if required */ if (use_ec) { stream->ec=ms_filter_new(MS_SPEEX_EC_ID); ms_filter_call_method(stream->ec,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); if (stream->ec_tail_len!=0) ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_TAIL_LENGTH,&stream->ec_tail_len); if (stream->ec_delay!=0){ ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_DELAY,&stream->ec_delay); }else{ /*configure from latency of sound card in case it is availlable */ int latency=0; ms_filter_call_method(stream->soundread,MS_FILTER_GET_LATENCY,&latency); latency-=30; /*keep 30 milliseconds security margin*/ if (latency<0) latency=0; ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_DELAY,&latency); } if (stream->ec_framesize!=0) ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_FRAMESIZE,&stream->ec_framesize); } /* give the encoder/decoder some parameters*/ ms_filter_call_method(stream->encoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); ms_message("Payload's bitrate is %i",pt->normal_bitrate); if (pt->normal_bitrate>0){ ms_message("Setting audio encoder network bitrate to %i",pt->normal_bitrate); ms_filter_call_method(stream->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); } ms_filter_call_method(stream->decoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); if (pt->send_fmtp!=NULL) ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP, (void*)pt->send_fmtp); if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /*create the equalizer*/ stream->equalizer=ms_filter_new(MS_EQUALIZER_ID); tmp=stream->eq_active; ms_filter_call_method(stream->equalizer,MS_EQUALIZER_SET_ACTIVE,&tmp); /*configure resampler if needed*/ if (stream->read_resampler){ audio_stream_configure_resampler(stream->read_resampler,stream->soundread,stream->rtpsend); } if (stream->write_resampler){ audio_stream_configure_resampler(stream->write_resampler,stream->rtprecv,stream->soundwrite); } /* and then connect all */ /* tip: draw yourself the picture if you don't understand */ /*sending graph*/ ms_connection_helper_start(&h); ms_connection_helper_link(&h,stream->soundread,-1,0); if (stream->read_resampler) ms_connection_helper_link(&h,stream->read_resampler,0,0); if (stream->ec) ms_connection_helper_link(&h,stream->ec,1,1); if (stream->volsend) ms_connection_helper_link(&h,stream->volsend,0,0); if(stream->mic_tee) ms_connection_helper_link(&h,stream->mic_tee,0,0); if(stream->mic_tee && stream->recordmixer) ms_filter_link(stream->mic_tee,1,stream->recordmixer,0); ms_connection_helper_link(&h,stream->encoder,0,0); ms_connection_helper_link(&h,stream->rtpsend,0,-1); /*receiving graph*/ ms_connection_helper_start(&h); ms_connection_helper_link(&h,stream->rtprecv,-1,0); ms_connection_helper_link(&h,stream->decoder,0,0); ms_connection_helper_link(&h,stream->dtmfgen,0,0); if (stream->equalizer) ms_connection_helper_link(&h,stream->equalizer,0,0); if (stream->volrecv) ms_connection_helper_link(&h,stream->volrecv,0,0); if (stream->ec) ms_connection_helper_link(&h,stream->ec,0,0); if (stream->write_resampler) ms_connection_helper_link(&h,stream->write_resampler,0,0); if(stream->spk_tee) ms_connection_helper_link(&h,stream->spk_tee,0,0); if(stream->mic_tee && stream->recordmixer) ms_filter_link(stream->spk_tee,1,stream->recordmixer,1); ms_connection_helper_link(&h,stream->soundwrite,0,-1); if (stream->filewriter && stream->spk_tee && stream->mic_tee && stream->recordmixer){ ms_filter_link(stream->recordmixer,0,stream->filewriter,0); } /* create ticker */ stream->ticker=ms_ticker_new(); ms_ticker_set_name(stream->ticker,"Audio MSTicker"); ms_ticker_attach(stream->ticker,stream->soundread); ms_ticker_attach(stream->ticker,stream->rtprecv); return 0; }
int audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char *remip,int remport, int rem_rtcp_port, int payload,int jitt_comp, const char *infile, const char *outfile, MSSndCard *playcard, MSSndCard *captcard, bool_t use_ec) { RtpSession *rtps=stream->session; PayloadType *pt; int tmp; rtp_session_set_profile(rtps,profile); if (remport>0) rtp_session_set_remote_addr_full(rtps,remip,remport,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); if (remport>0) ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,rtps); stream->rtprecv=ms_filter_new(MS_RTP_RECV_ID); ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,rtps); stream->session=rtps; stream->dtmfgen=ms_filter_new(MS_DTMF_GEN_ID); rtp_session_signal_connect(rtps,"telephone-event",(RtpCallback)on_dtmf_received,(unsigned long)stream); rtp_session_signal_connect(rtps,"payload_type_changed",(RtpCallback)payload_type_changed,(unsigned long)stream); /* creates the local part */ if (captcard!=NULL) stream->soundread=ms_snd_card_create_reader(captcard); else { stream->soundread=ms_filter_new(MS_FILE_PLAYER_ID); if (infile!=NULL) audio_stream_play(stream,infile); } if (playcard!=NULL) stream->soundwrite=ms_snd_card_create_writer(playcard); else { stream->soundwrite=ms_filter_new(MS_FILE_REC_ID); if (outfile!=NULL) audio_stream_record(stream,outfile); } /* creates the couple of encoder/decoder */ pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ ms_error("audiostream.c: undefined payload type."); return -1; } stream->encoder=ms_filter_create_encoder(pt->mime_type); stream->decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->encoder==NULL) || (stream->decoder==NULL)){ /* big problem: we have not a registered codec for this payload...*/ ms_error("mediastream.c: No decoder available for payload %i.",payload); return -1; } if (use_ec) { stream->ec=ms_filter_new(MS_SPEEX_EC_ID); ms_filter_call_method(stream->ec,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); } /* give the sound filters some properties */ ms_filter_call_method(stream->soundread,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); tmp=1; ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_NCHANNELS, &tmp); /* give the encoder/decoder some parameters*/ ms_filter_call_method(stream->encoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); ms_message("Payload's bitrate is %i",pt->normal_bitrate); if (pt->normal_bitrate>0){ ms_message("Setting audio encoder network bitrate to %i",pt->normal_bitrate); ms_filter_call_method(stream->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); } ms_filter_call_method(stream->decoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate); if (pt->send_fmtp!=NULL) ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP, (void*)pt->send_fmtp); if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /* and then connect all */ /* tip: draw yourself the picture if you don't understand */ if (stream->ec){ ms_filter_link(stream->soundread,0,stream->ec,1); ms_filter_link(stream->ec,1,stream->encoder,0); ms_filter_link(stream->dtmfgen,0,stream->ec,0); ms_filter_link(stream->ec,0,stream->soundwrite,0); }else{ ms_filter_link(stream->soundread,0,stream->encoder,0); ms_filter_link(stream->dtmfgen,0,stream->soundwrite,0); } ms_filter_link(stream->encoder,0,stream->rtpsend,0); ms_filter_link(stream->rtprecv,0,stream->decoder,0); ms_filter_link(stream->decoder,0,stream->dtmfgen,0); /* create ticker */ stream->ticker=ms_ticker_new(); ms_ticker_set_name(stream->ticker,"Audio MSTicker"); ms_ticker_attach(stream->ticker,stream->soundread); ms_ticker_attach(stream->ticker,stream->rtprecv); return 0; }
int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *remip, int remport, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *cam){ PayloadType *pt; RtpSession *rtps=stream->session; MSPixFmt format; MSVideoSize disp_size; int tmp; JBParameters jbp; const int socket_buf_size=2000000; if (cam==NULL){ cam=ms_web_cam_manager_get_default_cam ( ms_web_cam_manager_get()); } pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ ms_error("videostream.c: undefined payload type."); return -1; } rtp_session_set_profile(rtps,profile); if (remport>0) rtp_session_set_remote_addr_full(rtps,remip,remport,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); rtp_session_signal_connect(stream->session,"payload_type_changed", (RtpCallback)payload_type_changed,(unsigned long)stream); rtp_session_set_recv_buf_size(stream->session,MAX_RTP_SIZE); rtp_session_get_jitter_buffer_params(stream->session,&jbp); jbp.max_packets=1000;//needed for high resolution video rtp_session_set_jitter_buffer_params(stream->session,&jbp); rtp_session_set_rtp_socket_recv_buffer_size(stream->session,socket_buf_size); rtp_session_set_rtp_socket_send_buffer_size(stream->session,socket_buf_size); if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamSendOnly){ /*plumb the outgoing stream */ if (remport>0) ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,stream->session); stream->encoder=ms_filter_create_encoder(pt->mime_type); if ((stream->encoder==NULL) ){ /* big problem: we don't have a registered codec for this payload...*/ ms_error("videostream.c: No encoder available for payload %i:%s.",payload,pt->mime_type); return -1; } /* creates the filters */ stream->source = ms_web_cam_create_reader(cam); stream->tee = ms_filter_new(MS_TEE_ID); if (pt->normal_bitrate>0){ ms_message("Limiting bitrate of video encoder to %i bits/s",pt->normal_bitrate); ms_filter_call_method(stream->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); } if (pt->send_fmtp){ ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); } if (stream->use_preview_window){ if (stream->rendercb==NULL){ stream->output2=ms_filter_new_from_name (stream->display_name); } } configure_video_source (stream); /* and then connect all */ ms_filter_link (stream->source, 0, stream->pixconv, 0); ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_link (stream->sizeconv, 0, stream->tee, 0); ms_filter_link (stream->tee, 0 ,stream->encoder, 0 ); ms_filter_link (stream->encoder,0, stream->rtpsend,0); if (stream->output2){ if (stream->window_id!=0){ ms_filter_call_method(stream->output2, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->preview_window_id); } ms_filter_link(stream->tee,1,stream->output2,0); } } if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamRecvOnly){ MSConnectionHelper ch; /*plumb the incoming stream */ stream->decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->decoder==NULL) ){ /* big problem: we don't have a registered decoderfor this payload...*/ ms_error("videostream.c: No decoder available for payload %i:%s.",payload,pt->mime_type); return -1; } stream->rtprecv = ms_filter_new (MS_RTP_RECV_ID); ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,stream->session); if(stream->conf_mode==FALSE) { stream->tee2=ms_filter_new(MS_TEE_ID); stream->jpegwriter=ms_filter_new(MS_JPEG_WRITER_ID); } if (stream->rendercb!=NULL){ stream->output=ms_filter_new(MS_EXT_DISPLAY_ID); ms_filter_set_notify_callback (stream->output,ext_display_cb,stream); }else{ if(stream->conf_mode) stream->output=ms_filter_new(MS_VOID_SINK_ID); else stream->output=ms_filter_new_from_name (stream->display_name); } /* set parameters to the decoder*/ if (pt->send_fmtp){ ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); } if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /*force the decoder to output YUV420P */ format=MS_YUV420P; ms_filter_call_method(stream->decoder,MS_FILTER_SET_PIX_FMT,&format); /*configure the display window */ disp_size.width=MS_VIDEO_SIZE_CIF_W; disp_size.height=MS_VIDEO_SIZE_CIF_H; tmp=1; ms_filter_call_method(stream->output,MS_FILTER_SET_VIDEO_SIZE,&disp_size); ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_ENABLE_AUTOFIT,&tmp); ms_filter_call_method(stream->output,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_LOCAL_VIEW_MODE,&stream->corner); if (stream->window_id!=0){ ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->window_id); } /* and connect the filters */ ms_connection_helper_start (&ch); ms_connection_helper_link (&ch,stream->rtprecv,-1,0); ms_connection_helper_link (&ch,stream->decoder,0,0); if (stream->tee2){ ms_connection_helper_link (&ch,stream->tee2,0,0); ms_filter_link(stream->tee2,1,stream->jpegwriter,0); //Êä³öÊÓƵ¼ÖÆÖ¡. if(stream->video_record) ms_filter_link(stream->tee2,2,stream->video_record,0); } ms_connection_helper_link (&ch,stream->output,0,-1); /* the video source must be send for preview , if it exists*/ if (stream->tee!=NULL && stream->output2==NULL) ms_filter_link(stream->tee,1,stream->output,1); } /* create the ticker */ stream->ticker = ms_ticker_new(); ms_ticker_set_name(stream->ticker,"Video MSTicker"); //¼æÈÝPVX Ðëµ÷Õû±àÂë¼ä¸ô //stream->ticker->interval = 3; #ifdef ENABLE_UDT if(stream->enable_udt){ stream->udt = ms_filter_new(MS_UDT_TRANSPORT_ID); ms_filter_call_method(stream->udt,MS_UDT_SET_RTP_SESSION,stream->session); } #endif //ENABLE_UDT /* attach the graphs */ if (stream->source) ms_ticker_attach (stream->ticker, stream->source); if (stream->rtprecv) ms_ticker_attach (stream->ticker, stream->rtprecv); #ifdef ENABLE_UDT //×îºóÔËÐУ¬±ÜÃâ×èÈûUI if (stream->udt) ms_ticker_attach (stream->ticker, stream->udt); #endif // ENABLE_UDT return 0; }
int audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char *rem_rtp_ip,int rem_rtp_port, const char *rem_rtcp_ip, int rem_rtcp_port, int payload,int jitt_comp, const char *infile, const char *outfile, MSSndCard *playcard, MSSndCard *captcard, bool_t use_ec) { RtpSession *rtps=stream->ms.session; PayloadType *pt,*tel_ev; int tmp; MSConnectionHelper h; int sample_rate; MSRtpPayloadPickerContext picker_context; bool_t has_builtin_ec=FALSE; rtp_session_set_profile(rtps,profile); if (rem_rtp_port>0) rtp_session_set_remote_addr_full(rtps,rem_rtp_ip,rem_rtp_port,rem_rtcp_ip,rem_rtcp_port); if (rem_rtcp_port<=0){ rtp_session_enable_rtcp(rtps,FALSE); } rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); if (rem_rtp_port>0) ms_filter_call_method(stream->ms.rtpsend,MS_RTP_SEND_SET_SESSION,rtps); stream->ms.rtprecv=ms_filter_new(MS_RTP_RECV_ID); ms_filter_call_method(stream->ms.rtprecv,MS_RTP_RECV_SET_SESSION,rtps); stream->ms.session=rtps; if((stream->features & AUDIO_STREAM_FEATURE_DTMF) != 0) stream->dtmfgen=ms_filter_new(MS_DTMF_GEN_ID); else stream->dtmfgen=NULL; rtp_session_signal_connect(rtps,"telephone-event",(RtpCallback)on_dtmf_received,(unsigned long)stream); rtp_session_signal_connect(rtps,"payload_type_changed",(RtpCallback)mediastream_payload_type_changed,(unsigned long)&stream->ms); /* creates the local part */ if (captcard!=NULL){ if (stream->soundread==NULL) stream->soundread=ms_snd_card_create_reader(captcard); has_builtin_ec=!!(ms_snd_card_get_capabilities(captcard) & MS_SND_CARD_CAP_BUILTIN_ECHO_CANCELLER); }else { stream->soundread=ms_filter_new(MS_FILE_PLAYER_ID); stream->read_resampler=ms_filter_new(MS_RESAMPLE_ID); if (infile!=NULL) audio_stream_play(stream,infile); } if (playcard!=NULL) { if (stream->soundwrite==NULL) stream->soundwrite=ms_snd_card_create_writer(playcard); }else { stream->soundwrite=ms_filter_new(MS_FILE_REC_ID); if (outfile!=NULL) audio_stream_record(stream,outfile); } /* creates the couple of encoder/decoder */ pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ ms_error("audiostream.c: undefined payload type."); return -1; } tel_ev=rtp_profile_get_payload_from_mime (profile,"telephone-event"); if ((stream->features & AUDIO_STREAM_FEATURE_DTMF_ECHO) != 0 && (tel_ev==NULL || ( (tel_ev->flags & PAYLOAD_TYPE_FLAG_CAN_RECV) && !(tel_ev->flags & PAYLOAD_TYPE_FLAG_CAN_SEND))) && ( strcasecmp(pt->mime_type,"pcmu")==0 || strcasecmp(pt->mime_type,"pcma")==0)){ /*if no telephone-event payload is usable and pcma or pcmu is used, we will generate inband dtmf*/ stream->dtmfgen_rtp=ms_filter_new (MS_DTMF_GEN_ID); } else { stream->dtmfgen_rtp=NULL; } if (ms_filter_call_method(stream->ms.rtpsend,MS_FILTER_GET_SAMPLE_RATE,&sample_rate)!=0){ ms_error("Sample rate is unknown for RTP side !"); return -1; } stream->ms.encoder=ms_filter_create_encoder(pt->mime_type); stream->ms.decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->ms.encoder==NULL) || (stream->ms.decoder==NULL)){ /* big problem: we have not a registered codec for this payload...*/ ms_error("audio_stream_start_full: No decoder or encoder available for payload %s.",pt->mime_type); return -1; } if (ms_filter_has_method(stream->ms.decoder, MS_FILTER_SET_RTP_PAYLOAD_PICKER)) { ms_message(" decoder has FEC capabilities"); picker_context.filter_graph_manager=stream; picker_context.picker=&audio_stream_payload_picker; ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_RTP_PAYLOAD_PICKER, &picker_context); } if((stream->features & AUDIO_STREAM_FEATURE_VOL_SND) != 0) stream->volsend=ms_filter_new(MS_VOLUME_ID); else stream->volsend=NULL; if((stream->features & AUDIO_STREAM_FEATURE_VOL_RCV) != 0) stream->volrecv=ms_filter_new(MS_VOLUME_ID); else stream->volrecv=NULL; audio_stream_enable_echo_limiter(stream,stream->el_type); audio_stream_enable_noise_gate(stream,stream->use_ng); if (stream->use_agc){ int tmp=1; if (stream->volsend==NULL) stream->volsend=ms_filter_new(MS_VOLUME_ID); ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_AGC,&tmp); } if (stream->dtmfgen) { ms_filter_call_method(stream->dtmfgen,MS_FILTER_SET_SAMPLE_RATE,&sample_rate); ms_filter_call_method(stream->dtmfgen,MS_FILTER_SET_NCHANNELS,&pt->channels); } if (stream->dtmfgen_rtp) { ms_filter_call_method(stream->dtmfgen_rtp,MS_FILTER_SET_SAMPLE_RATE,&sample_rate); ms_filter_call_method(stream->dtmfgen_rtp,MS_FILTER_SET_NCHANNELS,&pt->channels); } /* give the sound filters some properties */ if (ms_filter_call_method(stream->soundread,MS_FILTER_SET_SAMPLE_RATE,&sample_rate) != 0) { /* need to add resampler*/ if (stream->read_resampler == NULL) stream->read_resampler=ms_filter_new(MS_RESAMPLE_ID); } ms_filter_call_method(stream->soundread,MS_FILTER_SET_NCHANNELS,&pt->channels); if (ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_SAMPLE_RATE,&sample_rate) != 0) { /* need to add resampler*/ if (stream->write_resampler == NULL) stream->write_resampler=ms_filter_new(MS_RESAMPLE_ID); } ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_NCHANNELS,&pt->channels); // Override feature if ( ((stream->features & AUDIO_STREAM_FEATURE_EC) && !use_ec) || has_builtin_ec ) stream->features &=~AUDIO_STREAM_FEATURE_EC; /*configure the echo canceller if required */ if ((stream->features & AUDIO_STREAM_FEATURE_EC) == 0 && stream->ec != NULL) { ms_filter_destroy(stream->ec); stream->ec=NULL; } if (stream->ec){ if (!stream->is_ec_delay_set){ int delay_ms=ms_snd_card_get_minimal_latency(captcard); if (delay_ms!=0){ ms_message("Setting echo canceller delay with value provided by soundcard: %i ms",delay_ms); ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_DELAY,&delay_ms); } } ms_filter_call_method(stream->ec,MS_FILTER_SET_SAMPLE_RATE,&sample_rate); } if (stream->features & AUDIO_STREAM_FEATURE_MIXED_RECORDING){ int val=0; int pin=1; stream->recorder=ms_filter_new(MS_FILE_REC_ID); stream->recorder_mixer=ms_filter_new(MS_AUDIO_MIXER_ID); stream->recv_tee=ms_filter_new(MS_TEE_ID); stream->send_tee=ms_filter_new(MS_TEE_ID); ms_filter_call_method(stream->recorder_mixer,MS_AUDIO_MIXER_ENABLE_CONFERENCE_MODE,&val); ms_filter_call_method(stream->recorder_mixer,MS_FILTER_SET_SAMPLE_RATE,&sample_rate); ms_filter_call_method(stream->recorder_mixer,MS_FILTER_SET_NCHANNELS,&pt->channels); ms_filter_call_method(stream->recv_tee,MS_TEE_MUTE,&pin); ms_filter_call_method(stream->send_tee,MS_TEE_MUTE,&pin); ms_filter_call_method(stream->recorder,MS_FILTER_SET_SAMPLE_RATE,&sample_rate); ms_filter_call_method(stream->recorder,MS_FILTER_SET_NCHANNELS,&pt->channels); } /* give the encoder/decoder some parameters*/ ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_SAMPLE_RATE,&sample_rate); ms_message("Payload's bitrate is %i",pt->normal_bitrate); if (pt->normal_bitrate>0){ ms_message("Setting audio encoder network bitrate to %i",pt->normal_bitrate); ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); } ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_NCHANNELS,&pt->channels); ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_SAMPLE_RATE,&sample_rate); ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_NCHANNELS,&pt->channels); if (pt->send_fmtp!=NULL) { char value[16]={0}; int ptime; if (ms_filter_has_method(stream->ms.encoder,MS_AUDIO_ENCODER_SET_PTIME)){ if (fmtp_get_value(pt->send_fmtp,"ptime",value,sizeof(value)-1)){ ptime=atoi(value); ms_filter_call_method(stream->ms.encoder,MS_AUDIO_ENCODER_SET_PTIME,&ptime); } } ms_filter_call_method(stream->ms.encoder,MS_FILTER_ADD_FMTP, (void*)pt->send_fmtp); } if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /*create the equalizer*/ if ((stream->features & AUDIO_STREAM_FEATURE_EQUALIZER) != 0){ stream->equalizer=ms_filter_new(MS_EQUALIZER_ID); if(stream->equalizer) { tmp=stream->eq_active; ms_filter_call_method(stream->equalizer,MS_EQUALIZER_SET_ACTIVE,&tmp); } }else stream->equalizer=NULL; /*configure resampler if needed*/ ms_filter_call_method(stream->ms.rtpsend, MS_FILTER_SET_NCHANNELS, &pt->channels); ms_filter_call_method(stream->ms.rtprecv, MS_FILTER_SET_NCHANNELS, &pt->channels); if (stream->read_resampler){ audio_stream_configure_resampler(stream->read_resampler,stream->soundread,stream->ms.rtpsend); } if (stream->write_resampler){ audio_stream_configure_resampler(stream->write_resampler,stream->ms.rtprecv,stream->soundwrite); } if (stream->ms.use_rc){ stream->ms.rc=ms_audio_bitrate_controller_new(stream->ms.session,stream->ms.encoder,0); } /* Create PLC */ if ((stream->features & AUDIO_STREAM_FEATURE_PLC) != 0) { int decoder_have_plc = 0; if (ms_filter_has_method(stream->ms.decoder, MS_AUDIO_DECODER_HAVE_PLC)) { if (ms_filter_call_method(stream->ms.decoder, MS_AUDIO_DECODER_HAVE_PLC, &decoder_have_plc) != 0) { ms_warning("MS_AUDIO_DECODER_HAVE_PLC function error: enable default plc"); } } else { ms_warning("MS_DECODER_HAVE_PLC function not implemented by the decoder: enable default plc"); } if (decoder_have_plc == 0) { stream->plc = ms_filter_new(MS_GENERIC_PLC_ID); } if (stream->plc) { ms_filter_call_method(stream->plc, MS_FILTER_SET_NCHANNELS, &pt->channels); ms_filter_call_method(stream->plc, MS_FILTER_SET_SAMPLE_RATE, &sample_rate); } } else { stream->plc = NULL; } /* create ticker */ if (stream->ms.ticker==NULL) start_ticker(&stream->ms); else{ /*we were using the dummy preload graph, destroy it*/ if (stream->dummy) stop_preload_graph(stream); } /* and then connect all */ /* tip: draw yourself the picture if you don't understand */ /*sending graph*/ ms_connection_helper_start(&h); ms_connection_helper_link(&h,stream->soundread,-1,0); if (stream->read_resampler) ms_connection_helper_link(&h,stream->read_resampler,0,0); if (stream->ec) ms_connection_helper_link(&h,stream->ec,1,1); if (stream->volsend) ms_connection_helper_link(&h,stream->volsend,0,0); if (stream->dtmfgen_rtp) ms_connection_helper_link(&h,stream->dtmfgen_rtp,0,0); if (stream->send_tee) ms_connection_helper_link(&h,stream->send_tee,0,0); ms_connection_helper_link(&h,stream->ms.encoder,0,0); ms_connection_helper_link(&h,stream->ms.rtpsend,0,-1); /*receiving graph*/ ms_connection_helper_start(&h); ms_connection_helper_link(&h,stream->ms.rtprecv,-1,0); ms_connection_helper_link(&h,stream->ms.decoder,0,0); if (stream->plc) ms_connection_helper_link(&h,stream->plc,0,0); if (stream->dtmfgen) ms_connection_helper_link(&h,stream->dtmfgen,0,0); if (stream->volrecv) ms_connection_helper_link(&h,stream->volrecv,0,0); if (stream->recv_tee) ms_connection_helper_link(&h,stream->recv_tee,0,0); if (stream->equalizer) ms_connection_helper_link(&h,stream->equalizer,0,0); if (stream->ec) ms_connection_helper_link(&h,stream->ec,0,0); if (stream->write_resampler) ms_connection_helper_link(&h,stream->write_resampler,0,0); ms_connection_helper_link(&h,stream->soundwrite,0,-1); /*call recording part, attached to both outgoing and incoming graphs*/ if (stream->recorder){ ms_filter_link(stream->send_tee,1,stream->recorder_mixer,0); ms_filter_link(stream->recv_tee,1,stream->recorder_mixer,1); ms_filter_link(stream->recorder_mixer,0,stream->recorder,0); } /*to make sure all preprocess are done before befre processing audio*/ ms_ticker_attach_multiple(stream->ms.ticker ,stream->soundread ,stream->ms.rtprecv ,NULL); stream->ms.start_time=ms_time(NULL); stream->ms.is_beginning=TRUE; return 0; }
int main(int argc, char*argv[]) { RtpSession *session; #ifndef SBUS unsigned char buffer[160]; #else unsigned char buffer[SBUS_FRAME_SIZE]; #endif int err; uint32_t ts=0; int stream_received=0; FILE *outfile; int local_port; int have_more; int i; int format=0; int soundcard=0; int sound_fd=0; int jittcomp=40; bool_t adapt=TRUE; #ifdef SBUS RtpProfile prof; #endif /* init the lib */ if (argc<3){ printf("%s",help); return -1; } local_port=atoi(argv[2]); if (local_port<=0) { printf("%s",help); return -1; } for (i=3;i<argc;i++) { if (strcmp(argv[i],"--noadapt")==0) adapt=FALSE; if (strcmp(argv[i],"--format")==0){ i++; if (i<argc){ if (strcmp(argv[i],"mulaw")==0){ format=MULAW; }else if (strcmp(argv[i],"alaw")==0){ format=ALAW; }else{ printf("Unsupported format %s\n",argv[i]); return -1; } } } else if (strcmp(argv[i],"--soundcard")==0){ soundcard=1; } else if (strcmp(argv[i],"--with-jitter")==0){ i++; if (i<argc){ jittcomp=atoi(argv[i]); printf("Using a jitter buffer of %i milliseconds.\n",jittcomp); } } } outfile=fopen(argv[1],"wb"); if (outfile==NULL) { perror("Cannot open file for writing"); return -1; } #ifdef SBUS setvbuf(outfile, NULL, _IONBF, 0); #endif if (soundcard){ sound_fd=sound_init(format); } ortp_init(); ortp_scheduler_init(); ortp_set_log_level_mask(ORTP_DEBUG|ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR); signal(SIGINT,stop_handler); session=rtp_session_new(RTP_SESSION_RECVONLY); rtp_session_set_scheduling_mode(session,1); rtp_session_set_blocking_mode(session,1); rtp_session_set_local_addr(session,"0.0.0.0",atoi(argv[2]),-1); rtp_session_set_connected_mode(session,TRUE); rtp_session_set_symmetric_rtp(session,TRUE); rtp_session_enable_adaptive_jitter_compensation(session,adapt); rtp_session_set_jitter_compensation(session,jittcomp); #ifndef SBUS rtp_session_set_payload_type(session,0); #else rtp_profile_clear_all(&prof); //rtp_profile_set_name(&prof, "SBUS"); rtp_profile_set_payload(&prof, 71, &payload_type_sbus); rtp_session_set_profile(session, &prof); rtp_session_set_payload_type(session, 71); #endif rtp_session_signal_connect(session,"ssrc_changed",(RtpCallback)ssrc_cb,0); rtp_session_signal_connect(session,"ssrc_changed",(RtpCallback)rtp_session_reset,0); while(cond) { have_more=1; while (have_more){ #ifndef SBUS err=rtp_session_recv_with_ts(session,buffer,160,ts,&have_more); #else err=rtp_session_recv_with_ts(session,buffer,SBUS_FRAME_SIZE,ts,&have_more); #endif if (err>0) stream_received=1; /* this is to avoid to write to disk some silence before the first RTP packet is returned*/ if ((stream_received) && (err>0)) { #ifdef SBUS clock_gettime(CLOCK_REALTIME, &tsnew); printf("%09ld\n", tsnew.tv_nsec); #endif size_t ret = fwrite(buffer,1,err,outfile); if (sound_fd>0){ ret = write(sound_fd,buffer,err); if (ret==-1){ fprintf(stderr,"write to sound card failed (%s)",strerror(errno)); } } } } #ifndef SBUS ts+=160; #else ts+=70; #endif //ortp_message("Receiving packet."); } rtp_session_destroy(session); ortp_exit(); ortp_global_stats_display(); return 0; }
int ph_media_start(phcall_t *ca, int port, void (*dtmfCallback)(phcall_t *ca, int event), const char * deviceId) { int format = WAVE_FORMAT_PCM; phmstream_t *stream; #if USE_CODECS phcodec_t *codec; #endif /* !USE_CODECS */ #if DO_ECHO_CAN int taps=256; #endif /* !DO_ECHO_CAN */ #if USE_CODECS codec = ph_media_lookup_codec(ca->payload); if (!codec) return 0; #endif /* !USE_CODECS */ stream = open_sndcard(format, codec, deviceId); if (!stream) return -1; stream->payload = ca->payload; stream->rtp_session = rtp_session_new(RTP_SESSION_SENDRECV); rtp_session_set_scheduling_mode(stream->rtp_session, 0); /* yes */ rtp_session_set_blocking_mode(stream->rtp_session, 0); rtp_session_set_profile(stream->rtp_session, &av_profile); rtp_session_set_jitter_compensation(stream->rtp_session, 60); rtp_session_set_local_addr(stream->rtp_session, "0.0.0.0", port); rtp_session_set_remote_addr(stream->rtp_session, ca->remote_sdp_audio_ip, ca->remote_sdp_audio_port); rtp_session_set_payload_type(stream->rtp_session, stream->payload); rtp_session_signal_connect(stream->rtp_session, "telephone-event", (RtpCallback)ph_telephone_event, ca); ca->hasaudio = 1; stream->running = 1; ca->phstream = stream; stream->dtmfCallback = dtmfCallback; # if DO_ECHO_CAN # if AEC_BIS create_AEC(); # else /* !AEC_BIS */ stream->ec = echo_can_create(taps, 0); if(stream->ec == 0){ fprintf(stderr, "Echo CAN creating failed\n"); } if(stream->ec) { # endif /* !AEC_BIS */ stream->echocancel = taps; stream->pcm_rd = stream->pcm_wr = 0; stream->pcm_sent = malloc(PCM_TRACE_LEN); stream->sent_cnt = stream->recv_cnt = 0; if(stream->pcm_sent == 0) fprintf(stderr, "No memory for EC %d\n", stream->pcm_sent); #if !AEC_BIS } #endif /* AEC_BIS */ stream->aec_mutex = g_mutex_new(); stream->synclock = g_mutex_new(); stream->sync_cond = g_cond_new(); stream->pcm_need_resync = 1; stream->bytes_to_throw = 0; # endif /* !DO_ECHO_CAN */ stream->dtmfg_lock = g_mutex_new(); stream->dtmfq_cnt = 0; stream->dtmfg_phase = DTMF_IDLE; stream->audio_in_thread = osip_thread_create(20000, ph_audio_in_thread, stream); stream->audio_out_thread = osip_thread_create(20000, ph_audio_out_thread, stream); return 0; }
int os_sound_start(jcall_t *ca, int port) { int p,cond; int bits = 16; int stereo = 0; /* 0 is mono */ int rate = 8000; int blocksize = 512; if (port == 0) return -1; fd=open(AUDIO_DEVICE, O_RDWR|O_NONBLOCK); if (fd<0) return -EWOULDBLOCK; fcntl(fd, F_SETFL, fcntl(fd, F_GETFL)&~O_NONBLOCK); ioctl(fd, SNDCTL_DSP_RESET, 0); p = bits; /* 16 bits */ ioctl(fd, SNDCTL_DSP_SAMPLESIZE, &p); p = stereo; /* number of channels */ ioctl(fd, SNDCTL_DSP_CHANNELS, &p); #ifdef USE_PCM p = AFMT_S16_NE; /* choose LE or BE (endian) */ ioctl(fd, SNDCTL_DSP_SETFMT, &p); #else if (ca->payload==0) p = AFMT_MU_LAW; else if (ca->payload==8) p = AFMT_A_LAW; else if (ca->payload==110||ca->payload==111) p = AFMT_S16_NE; /* choose LE or BE (endian) */ ioctl(fd, SNDCTL_DSP_SETFMT, &p); #endif p = rate; /* rate in khz*/ ioctl(fd, SNDCTL_DSP_SPEED, &p); ioctl(fd, SNDCTL_DSP_GETBLKSIZE, &min_size); if (min_size>blocksize) { cond=1; p=min_size/blocksize; while(cond) { int i=ioctl(fd, SNDCTL_DSP_SUBDIVIDE, &p); /* printf("SUB_DIVIDE said error=%i,errno=%i\n",i,errno); */ if ((i==0) || (p==1)) cond=0; else p=p/2; } } ioctl(fd, SNDCTL_DSP_GETBLKSIZE, &min_size); if (min_size>blocksize) { printf("dsp block size set to %i.",min_size); exit(0); }else{ /* no need to access the card with less latency than needed*/ min_size=blocksize; } printf("blocksize = %i\n", min_size); #ifdef SPEEX_SUPPORT { float vbr_qual; int value; int quality; ca->speex_enc = speex_encoder_init(&speex_nb_mode); /* 8kHz */ /* 16kHz speex_enc = speex_encoder_init(&speex_wb_mode); */ /* 32kHz speex_enc = speex_encoder_init(&speex_uwb_mode); */ ca->speex_dec = speex_decoder_init(&speex_nb_mode); value = 1; speex_decoder_ctl(ca->speex_dec, SPEEX_SET_ENH, &value); quality = 8; /* 15kb */ speex_encoder_ctl(ca->speex_enc, SPEEX_SET_QUALITY, &quality); /* ou bien le bit rate: value = 15000; // 15kb speex_encoder_ctl(ca->speex_enc, SPEEX_SET_BITRATE, &value); */ /* silence suppression (VAD) value = 1; // 15kb speex_encoder_ctl(ca->speex_enc, SPEEX_SET_VAD, &value); Discontinuous transmission (DTX) value = 1; // 15kb speex_encoder_ctl(ca->speex_enc, SPEEX_SET_DTX, &value); Variable Bit Rate (VBR) value = 1; // 15kb speex_encoder_ctl(ca->speex_enc, SPEEX_SET_VBR, &value); vbr_qual = 5,0; // between 0 and 10 speex_encoder_ctl(ca->speex_enc, SPEEX_SET_VBR_QUALITY, &vbr_qual); Average bit rate: (ABR) value = 15000; // 15kb speex_encoder_ctl(ca->speex_enc, SPEEX_SET_ABR, &value); */ speex_encoder_ctl(ca->speex_enc, SPEEX_GET_FRAME_SIZE, &ca->speex_fsize); ca->speex_nb_packet = 1; speex_bits_init(&(ca->speex_bits)); speex_bits_init(&(ca->dec_speex_bits)); } #endif ca->rtp_session = rtp_session_new(RTP_SESSION_SENDRECV); rtp_session_set_scheduling_mode(ca->rtp_session, 1); /* yes */ rtp_session_set_blocking_mode(ca->rtp_session, 1); rtp_session_set_profile(ca->rtp_session, &av_profile); rtp_session_set_jitter_compensation(ca->rtp_session, 60); rtp_session_set_local_addr(ca->rtp_session, _localip, port); rtp_session_set_remote_addr(ca->rtp_session, ca->remote_sdp_audio_ip, ca->remote_sdp_audio_port); rtp_session_set_payload_type(ca->rtp_session, ca->payload); rtp_session_signal_connect(ca->rtp_session, "telephone-event", (RtpCallback)rcv_telephone_event, ca); /* enter a loop (thread?) to send AUDIO data with rtp_session_send_with_ts(ca->rtp_session, data, data_length, timestamp); */ ca->audio_thread = osip_thread_create(20000, os_sound_start_thread, ca); ca->out_audio_thread = osip_thread_create(20000, os_sound_start_out_thread, ca); return 0; }