void audio_stream_unprepare_sound(AudioStream *stream){ if (stream->dummy){ stop_preload_graph(stream); #ifdef __ios if (stream->soundread) ms_filter_destroy(stream->soundread); stream->soundread=NULL; if (stream->soundwrite) ms_filter_destroy(stream->soundwrite); stream->soundwrite=NULL; #endif } }
void video_stream_stop (VideoStream * stream) { stream->eventcb = NULL; stream->event_pointer = NULL; if (stream->ticker){ if (stream->voidsink) { stop_preload_graph(stream); } else { if (stream->source) ms_ticker_detach(stream->ticker,stream->source); if (stream->rtprecv) ms_ticker_detach(stream->ticker,stream->rtprecv); if (stream->ice_check_list != NULL) { ice_check_list_print_route(stream->ice_check_list, "Video session's route"); stream->ice_check_list = NULL; } rtp_stats_display(rtp_session_get_stats(stream->session),"Video session's RTP statistics"); if (stream->source){ ms_filter_unlink(stream->source,0,stream->pixconv,0); ms_filter_unlink (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_unlink (stream->sizeconv, 0, stream->tee, 0); ms_filter_unlink(stream->tee,0,stream->encoder,0); ms_filter_unlink(stream->encoder, 0, stream->rtpsend,0); if (stream->output2){ ms_filter_unlink(stream->tee,1,stream->output2,0); } } if (stream->rtprecv){ MSConnectionHelper h; ms_connection_helper_start (&h); ms_connection_helper_unlink (&h,stream->rtprecv,-1,0); ms_connection_helper_unlink (&h,stream->decoder,0,0); if (stream->tee2){ ms_connection_helper_unlink (&h,stream->tee2,0,0); ms_filter_unlink(stream->tee2,1,stream->jpegwriter,0); } if(stream->output) ms_connection_helper_unlink (&h,stream->output,0,-1); if (stream->tee && stream->output && stream->output2==NULL) ms_filter_unlink(stream->tee,1,stream->output,1); } } } video_stream_free (stream); }
void audio_stream_stop(AudioStream * stream) { if (stream->ms.ticker){ MSConnectionHelper h; if (stream->dummy){ stop_preload_graph(stream); }else if (stream->ms.start_time!=0){ ms_ticker_detach(stream->ms.ticker,stream->soundread); ms_ticker_detach(stream->ms.ticker,stream->ms.rtprecv); if (stream->ms.ice_check_list != NULL) { ice_check_list_print_route(stream->ms.ice_check_list, "Audio session's route"); stream->ms.ice_check_list = NULL; } rtp_stats_display(rtp_session_get_stats(stream->ms.session), " AUDIO SESSION'S RTP STATISTICS "); /*dismantle the outgoing graph*/ ms_connection_helper_start(&h); ms_connection_helper_unlink(&h,stream->soundread,-1,0); if (stream->read_resampler!=NULL) ms_connection_helper_unlink(&h,stream->read_resampler,0,0); if (stream->ec!=NULL) ms_connection_helper_unlink(&h,stream->ec,1,1); if (stream->volsend!=NULL) ms_connection_helper_unlink(&h,stream->volsend,0,0); if (stream->dtmfgen_rtp) ms_connection_helper_unlink(&h,stream->dtmfgen_rtp,0,0); if (stream->send_tee) ms_connection_helper_unlink(&h,stream->send_tee,0,0); ms_connection_helper_unlink(&h,stream->ms.encoder,0,0); ms_connection_helper_unlink(&h,stream->ms.rtpsend,0,-1); /*dismantle the receiving graph*/ ms_connection_helper_start(&h); ms_connection_helper_unlink(&h,stream->ms.rtprecv,-1,0); ms_connection_helper_unlink(&h,stream->ms.decoder,0,0); if (stream->plc!=NULL) ms_connection_helper_unlink(&h,stream->plc,0,0); if (stream->dtmfgen!=NULL) ms_connection_helper_unlink(&h,stream->dtmfgen,0,0); if (stream->volrecv!=NULL) ms_connection_helper_unlink(&h,stream->volrecv,0,0); if (stream->recv_tee) ms_connection_helper_unlink(&h,stream->recv_tee,0,0); if (stream->equalizer!=NULL) ms_connection_helper_unlink(&h,stream->equalizer,0,0); if (stream->ec!=NULL) ms_connection_helper_unlink(&h,stream->ec,0,0); if (stream->write_resampler!=NULL) ms_connection_helper_unlink(&h,stream->write_resampler,0,0); ms_connection_helper_unlink(&h,stream->soundwrite,0,-1); /*dismantle the call recording */ if (stream->recorder){ ms_filter_unlink(stream->send_tee,1,stream->recorder_mixer,0); ms_filter_unlink(stream->recv_tee,1,stream->recorder_mixer,1); ms_filter_unlink(stream->recorder_mixer,0,stream->recorder,0); } } } audio_stream_free(stream); ms_filter_log_statistics(); }
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; }
void video_stream_stop (VideoStream * stream) { stream->eventcb = NULL; stream->event_pointer = NULL; if (stream->ms.ticker){ if (stream->prepare_ongoing == TRUE) { stop_preload_graph(stream); } else { if (stream->source) ms_ticker_detach(stream->ms.ticker,stream->source); if (stream->ms.rtprecv) ms_ticker_detach(stream->ms.ticker,stream->ms.rtprecv); if (stream->ms.ice_check_list != NULL) { ice_check_list_print_route(stream->ms.ice_check_list, "Video session's route"); stream->ms.ice_check_list = NULL; } rtp_stats_display(rtp_session_get_stats(stream->ms.session), " VIDEO SESSION'S RTP STATISTICS "); if (stream->source){ MSConnectionHelper ch; ms_connection_helper_start(&ch); ms_connection_helper_unlink(&ch, stream->source, -1, 0); if (stream->pixconv) { ms_connection_helper_unlink(&ch, stream->pixconv, 0, 0); } if (stream->sizeconv) { ms_connection_helper_unlink(&ch, stream->sizeconv, 0, 0); } ms_connection_helper_unlink(&ch, stream->tee, 0, 0); if (stream->source_performs_encoding == FALSE) { ms_connection_helper_unlink(&ch, stream->ms.encoder, 0, 0); } ms_connection_helper_unlink(&ch, stream->ms.rtpsend, 0, -1); if (stream->output2){ ms_filter_unlink(stream->tee,1,stream->output2,0); } } if (stream->ms.voidsink) { ms_filter_unlink(stream->ms.rtprecv, 0, stream->ms.voidsink, 0); } else if (stream->ms.rtprecv){ MSConnectionHelper h; ms_connection_helper_start (&h); ms_connection_helper_unlink (&h,stream->ms.rtprecv,-1,0); if (stream->output_performs_decoding == FALSE) { ms_connection_helper_unlink (&h,stream->ms.decoder,0,0); } if (stream->tee2){ ms_connection_helper_unlink (&h,stream->tee2,0,0); ms_filter_unlink(stream->tee2,1,stream->jpegwriter,0); } if(stream->output) ms_connection_helper_unlink (&h,stream->output,0,-1); if (stream->tee && stream->output && stream->output2==NULL) ms_filter_unlink(stream->tee,1,stream->output,1); } } } video_stream_free (stream); }
void video_stream_unprepare_video(VideoStream *stream){ if (stream->ms.voidsink) { stop_preload_graph(stream); } }
void text_stream_unprepare_text(TextStream *stream){ if (stream->ms.state == MSStreamPreparing) { stop_preload_graph(stream); stream->ms.state = MSStreamInitialized; } }