TextStream* text_stream_start(TextStream *stream, RtpProfile *profile, const char *rem_rtp_addr, int rem_rtp_port, const char *rem_rtcp_addr, int rem_rtcp_port, int payload_type /* ignored */) {
RtpSession *rtps = stream->ms.sessions.rtp_session;
MSConnectionHelper h;
rtp_session_set_profile(rtps, profile);
if (rem_rtp_port > 0) rtp_session_set_remote_addr_full(rtps, rem_rtp_addr, rem_rtp_port, rem_rtcp_addr, rem_rtcp_port);
if (rem_rtcp_port > 0) {
rtp_session_enable_rtcp(rtps, TRUE);
} else {
rtp_session_enable_rtcp(rtps, FALSE);
}
stream->pt_t140 = rtp_profile_get_payload_number_from_mime(profile, "t140");
stream->pt_red = rtp_profile_get_payload_number_from_mime(profile, "red");
if (payload_type == stream->pt_t140) {
ms_message("Text payload type is T140");
} else if (payload_type == stream->pt_red) {
ms_message("Text payload type is RED");
} else {
/* we dont know this kind of textstream... */
ms_warning("unkown type of textstream");
}
rtp_session_set_payload_type(rtps, payload_type);
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.sessions.rtp_session = rtps;
if (stream->ms.sessions.ticker == NULL) media_stream_start_ticker(&stream->ms);
stream->rttsource = ms_filter_new(MS_RTT_4103_SOURCE_ID);
stream->rttsink = ms_filter_new(MS_RTT_4103_SINK_ID);
ms_filter_call_method(stream->rttsource, MS_RTT_4103_SOURCE_SET_T140_PAYLOAD_TYPE_NUMBER, &stream->pt_t140);
ms_filter_call_method(stream->rttsink, MS_RTT_4103_SINK_SET_T140_PAYLOAD_TYPE_NUMBER, &stream->pt_t140);
if (payload_type == stream->pt_red) {
ms_filter_call_method(stream->rttsource, MS_RTT_4103_SOURCE_SET_RED_PAYLOAD_TYPE_NUMBER, &stream->pt_red);
ms_filter_call_method(stream->rttsink, MS_RTT_4103_SINK_SET_RED_PAYLOAD_TYPE_NUMBER, &stream->pt_red);
}
ms_connection_helper_start(&h);
ms_connection_helper_link(&h, stream->rttsource, -1, 0);
ms_connection_helper_link(&h, stream->ms.rtpsend, 0, -1);
ms_connection_helper_start(&h);
ms_connection_helper_link(&h, stream->ms.rtprecv, -1, 0);
ms_connection_helper_link(&h, stream->rttsink, 0, -1);
ms_ticker_attach_multiple(stream->ms.sessions.ticker, stream->rttsource, stream->ms.rtprecv, NULL);
stream->ms.start_time = stream->ms.last_packet_time = ms_time(NULL);
stream->ms.is_beginning = TRUE;
stream->ms.state = MSStreamStarted;
return stream;
}
static void dtmfgen_enc_rtp_dec_tonedet(void) {
MSConnectionHelper h;
RtpSession *rtps;
unsigned int filter_mask = FILTER_MASK_VOIDSOURCE | FILTER_MASK_DTMFGEN | FILTER_MASK_ENCODER
| FILTER_MASK_RTPSEND | FILTER_MASK_RTPRECV | FILTER_MASK_DECODER | FILTER_MASK_TONEDET | FILTER_MASK_VOIDSINK;
bool_t send_silence = TRUE;
MSSndCardManager *scm = ms_factory_get_snd_card_manager(factory);
ms_factory_reset_statistics(factory);
//ms_filter_reset_statistics();
ms_tester_create_ticker();
ms_tester_codec_mime = "pcmu";
ms_tester_create_filters(filter_mask, factory);
ms_filter_add_notify_callback(ms_tester_tonedet, (MSFilterNotifyFunc)tone_detected_cb, NULL,TRUE);
rtps = ms_create_duplex_rtp_session("0.0.0.0", 50060, 0, ms_factory_get_mtu(factory));
rtp_session_set_remote_addr_full(rtps, "127.0.0.1", 50060, "127.0.0.1", 50061);
rtp_session_set_payload_type(rtps, 8);
rtp_session_enable_rtcp(rtps,FALSE);
ms_filter_call_method(ms_tester_rtprecv, MS_RTP_RECV_SET_SESSION, rtps);
ms_filter_call_method(ms_tester_rtpsend, MS_RTP_SEND_SET_SESSION, rtps);
ms_filter_call_method(ms_tester_voidsource, MS_VOID_SOURCE_SEND_SILENCE, &send_silence);
ms_connection_helper_start(&h);
ms_connection_helper_link(&h, ms_tester_voidsource, -1, 0);
ms_connection_helper_link(&h, ms_tester_dtmfgen, 0, 0);
ms_connection_helper_link(&h, ms_tester_encoder, 0, 0);
ms_connection_helper_link(&h, ms_tester_rtpsend, 0, -1);
ms_connection_helper_start(&h);
ms_connection_helper_link(&h, ms_tester_rtprecv, -1, 0);
ms_connection_helper_link(&h, ms_tester_decoder, 0, 0);
ms_connection_helper_link(&h, ms_tester_tonedet, 0, 0);
ms_connection_helper_link(&h, ms_tester_voidsink, 0, -1);
ms_ticker_attach_multiple(ms_tester_ticker, ms_tester_voidsource, ms_tester_rtprecv, NULL);
ms_tester_tone_generation_and_detection_loop();
ms_ticker_detach(ms_tester_ticker, ms_tester_voidsource);
ms_ticker_detach(ms_tester_ticker, ms_tester_rtprecv);
ms_connection_helper_start(&h);
ms_connection_helper_unlink(&h, ms_tester_voidsource, -1, 0);
ms_connection_helper_unlink(&h, ms_tester_dtmfgen, 0, 0);
ms_connection_helper_unlink(&h, ms_tester_encoder, 0, 0);
ms_connection_helper_unlink(&h, ms_tester_rtpsend, 0, -1);
ms_connection_helper_start(&h);
ms_connection_helper_unlink(&h, ms_tester_rtprecv, -1, 0);
ms_connection_helper_unlink(&h, ms_tester_decoder, 0, 0);
ms_connection_helper_unlink(&h, ms_tester_tonedet, 0, 0);
ms_connection_helper_unlink(&h, ms_tester_voidsink, 0, -1);
// ms_filter_log_statistics();
ms_factory_log_statistics(scm->factory);
ms_tester_destroy_filters(filter_mask);
ms_tester_destroy_ticker();
rtp_session_destroy(rtps);
}
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 ms_ticker_attach(MSTicker *ticker, MSFilter *f){
return ms_ticker_attach_multiple(ticker,f,NULL);
}