/*****************************************************************************\ ** ** ** PBX4Linux ** ** ** **---------------------------------------------------------------------------** ** Copyright: Andreas Eversberg ** ** ** ** port ** ** ** \*****************************************************************************/ #include #include #include #include #include #include #include #include #include "main.h" #define BETTERDELAY //#define MIXER_DEBUG /* debug mixer buffer overflow and underrun */ class Port *port_first = NULL; unsigned long port_serial = 1; /* must be 1, because 0== no port */ /* free epointlist relation */ void Port::free_epointlist(struct epoint_list *epointlist) { struct epoint_list *temp, **tempp; temp = p_epointlist; tempp = &p_epointlist; while(temp) { if (temp == epointlist) break; tempp = &temp->next; temp = temp->next; } if (temp == 0) { PERROR("SOFTWARE ERROR: epointlist not in port's list.\n"); return; } /* detach */ *tempp=temp->next; /* free */ PDEBUG(DEBUG_EPOINT, "PORT(%d) removed epoint from port\n", p_serial); memset(temp, 0, sizeof(struct epoint_list)); free(temp); ememuse--; } void Port::free_epointid(unsigned long epoint_id) { struct epoint_list *temp, **tempp; temp = p_epointlist; tempp = &p_epointlist; while(temp) { if (temp->epoint_id == epoint_id) break; tempp = &temp->next; temp = temp->next; } if (temp == 0) { PERROR("epoint_id not in port's list, exitting.\n"); return; } /* detach */ *tempp=temp->next; /* free */ PDEBUG(DEBUG_EPOINT, "PORT(%d) removed epoint from port\n", p_serial); memset(temp, 0, sizeof(struct epoint_list)); free(temp); ememuse--; } /* create new epointlist relation */ struct epoint_list *Port::epointlist_new(unsigned long epoint_id) { struct epoint_list *epointlist, **epointlistpointer; /* epointlist structure */ epointlist = (struct epoint_list *)calloc(1, sizeof(struct epoint_list)); if (!epointlist) { PERROR("no mem for allocating epoint_list\n"); return(0); } ememuse++; PDEBUG(DEBUG_EPOINT, "PORT(%d) allocating epoint_list.\n", p_serial); memset(epointlist, 0, sizeof(struct epoint_list)); /* add epoint_list to chain */ epointlist->next = NULL; epointlistpointer = &p_epointlist; while(*epointlistpointer) epointlistpointer = &((*epointlistpointer)->next); *epointlistpointer = epointlist; /* link to epoint */ epointlist->epoint_id = epoint_id; epointlist->active = 1; return(epointlist); } /* * port constructor */ Port::Port(int type, char *portname, struct port_settings *settings) { class Port *temp, **tempp; PDEBUG(DEBUG_PORT, "new port of type %d, name '%s'\n", type, portname); /* initialize object */ if (settings) memcpy(&p_settings, settings, sizeof(struct port_settings)); else { memset(&p_settings, 0, sizeof(p_settings)); SCPY(p_settings.tones_dir, options.tones_dir); } SCPY(p_name, portname); SCPY(p_tone_dir, p_settings.tones_dir); // just to be sure p_type = type; p_serial = port_serial++; p_debug_nothingtosend = 0; p_tone_fh = -1; p_tone_fetched = NULL; p_tone_name[0] = '\0'; // p_knock_fh = -1; // p_knock_fetched = NULL; p_state = PORT_STATE_IDLE; p_epointlist = NULL; memset(&p_callerinfo, 0, sizeof(p_callerinfo)); memset(&p_dialinginfo, 0, sizeof(p_dialinginfo)); memset(&p_connectinfo, 0, sizeof(p_connectinfo)); memset(&p_redirinfo, 0, sizeof(p_redirinfo)); memset(&p_capainfo, 0, sizeof(p_capainfo)); memset(p_mixer_buffer, 0, sizeof(p_mixer_buffer)); memset(p_record_buffer, 0, sizeof(p_record_buffer)); memset(p_stereo_buffer, 0, sizeof(p_stereo_buffer)); p_mixer_rel = NULL; p_mixer_readp = 0; p_echotest = 0; next = NULL; p_record = NULL; p_record_type = 0; p_record_length = 0; p_record_filename[0] = '\0'; /* append port to chain */ temp = port_first; tempp = &port_first; while(temp) { tempp = &temp->next; temp = temp->next; } *tempp = this; classuse++; } /* * port destructor */ Port::~Port(void) { struct mixer_relation *relation, *rtemp; class Port *temp, **tempp; struct message *message; if (p_record) close_record(0); classuse--; PDEBUG(DEBUG_PORT, "removing port of type %d, name '%s'\n", p_type, p_name); /* free mixer relation chain */ relation = p_mixer_rel; while(relation) { rtemp = relation; relation = relation->next; memset(rtemp, 0, sizeof(struct mixer_relation)); free(rtemp); pmemuse--; } p_mixer_rel = NULL; /* beeing paranoid */ /* disconnect port from endpoint */ while(p_epointlist) { /* send disconnect */ message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE); message->param.disconnectinfo.cause = 16; message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL; message_put(message); /* remove endpoint */ free_epointlist(p_epointlist); } /* remove port from chain */ temp=port_first; tempp=&port_first; while(temp) { if (temp == this) break; tempp = &temp->next; temp = temp->next; } if (temp == NULL) { PERROR("PORT(%s) port not in port's list.\n", p_name); exit(-1); } /* detach */ *tempp=this->next; /* close open tones file */ if (p_tone_fh >= 0) { close(p_tone_fh); p_tone_fh = -1; fhuse--; } p_tone_fetched = NULL; } PORT_STATE_NAMES /* set new endpoint state */ void Port::new_state(int state) { PDEBUG(DEBUG_PORT, "PORT(%s) new state %s --> %s\n", p_name, state_name[p_state], state_name[state]); p_state = state; } /* * find the port using h323 token */ class Port *find_port_with_token(char *name) { class Port *port = port_first; while(port) { //printf("comparing: '%s' with '%s'\n", name, p_name); if ((port->p_type==PORT_TYPE_H323_IN || port->p_type==PORT_TYPE_H323_OUT) && !strcmp(port->p_name, name)) return(port); port = port->next; } return(NULL); } /* * find the port with port_id */ class Port *find_port_id(unsigned long port_id) { class Port *port = port_first; while(port) { //printf("comparing: '%s' with '%s'\n", name, port->name); if (port->p_serial == port_id) return(port); port = port->next; } return(NULL); } #if 0 /* * open the knock sound */ void Port::set_knock(char *tones_dir_epoint) { char filename[128], *tones_dir; /* check if we have the epoint override the tones_dir of options.conf */ tones_dir = options.tones_dir; if (tones_dir_epoint[0]) { tones_dir = tones_dir_epoint; } if (p_knock_fh >= 0) { close(p_knock_fh); p_knock_fh = -1; fhuse--; } p_knock_fetched = NULL; if ((p_knock_fetched=open_tone_fetched(tones_dir, "knock", &p_knock_codec, &p_knock_size, &p_knock_left))) { PDEBUG(DEBUG_PORT, "PORT(%s) opening fetched tone: %s\n", p_name, "knock"); return; } SPRINT(filename, "%s/%s/knock", INSTALL_DATA, tones_dir); if ((p_knock_fh=open_tone(filename, &p_knock_codec, &p_knock_size, &p_knock_left)) >= 0) { PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename); fhuse++; } else { p_knock_fh = -1; } } #endif /* * set echotest */ void Port::set_echotest(int echotest) { p_echotest = echotest; } /* * set the file in the tone directory with the given name */ void Port::set_tone(char *dir, char *name) { int fh; char filename[128]; if (name == NULL) name = ""; #if 0 /* knocking ? */ if (!strcmp(name, "knock")) { set_knock(tones_dir_epoint); return; } #endif /* no counter, no eof, normal speed */ p_tone_counter = 0; p_tone_eof = 0; p_tone_speed = 1; p_tone_codec = CODEC_LAW; if (p_tone_fh >= 0) { close(p_tone_fh); p_tone_fh = -1; fhuse--; } p_tone_fetched = NULL; if (name[0]) { if (name[0] == '/') { SPRINT(p_tone_name, "%s", name); p_tone_dir[0] = '\0'; } else { SCPY(p_tone_dir, dir); SCPY(p_tone_name, name); } } else { p_tone_name[0]= '\0'; p_tone_dir[0]= '\0'; return; } if (!!strncmp(name,"cause_",6)) return; /* now we check if the cause exists, otherwhise we use error tone. */ if ((p_tone_fetched=open_tone_fetched(p_tone_dir, p_tone_name, &p_tone_codec, 0, 0))) { p_tone_fetched = NULL; return; } SPRINT(filename, "%s_loop", p_tone_name); if ((p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, 0, 0))) { p_tone_fetched = NULL; return; } SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name); if ((fh=open_tone(filename, &p_tone_codec, 0, 0)) >= 0) { close(fh); return; } SPRINT(filename, "%s/%s/%s_loop", INSTALL_DATA, p_tone_dir, p_tone_name); if ((fh=open_tone(filename, &p_tone_codec, 0, 0)) >= 0) { close(fh); return; } if (!strcmp(name,"cause_00") || !strcmp(name,"cause_10")) { PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using release tone\n", p_name, name+6); SPRINT(p_tone_name,"release"); } else if (!strcmp(name,"cause_11")) { PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using busy tone\n", p_name, name+6); SPRINT(p_tone_name,"busy"); } else { PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using error tone\n", p_name, name+6); SPRINT(p_tone_name,"error"); } } /* * set the file in the tone directory for vbox playback * also set the play_eof-flag */ void Port::set_vbox_tone(char *dir, char *name) { char filename[256]; p_tone_speed = 1; p_tone_counter = 0; p_tone_codec = CODEC_LAW; p_tone_eof = 1; if (p_tone_fh >= 0) { close(p_tone_fh); p_tone_fh = -1; fhuse--; } p_tone_fetched = NULL; SPRINT(p_tone_dir, dir); SPRINT(p_tone_name, name); /* now we check if the cause exists, otherwhise we use error tone. */ if (p_tone_dir[0]) { if ((p_tone_fetched=open_tone_fetched(p_tone_dir, p_tone_name, &p_tone_codec, &p_tone_size, &p_tone_left))) { PDEBUG(DEBUG_PORT, "PORT(%s) opening fetched tone: %s\n", p_name, p_tone_name); return; } SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name); if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) >= 0) { fhuse++; PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename); return; } } else { SPRINT(filename, "%s", p_tone_name); if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) >= 0) { fhuse++; PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename); return; } } } /* * set the file in the given directory for vbox playback * also set the eof-flag * also set the counter-flag */ void Port::set_vbox_play(char *name, int offset) { signed long size; struct message *message; /* use ser_box_tone() */ set_vbox_tone("", name); if (p_tone_fh < 0) return; /* enable counter */ p_tone_counter = 1; /* seek */ if (p_tone_name[0]) { //printf("\n\n\n tone_codec = %d\n\n\n\n",p_tone_codec); #if 0 switch(p_tone_codec) { case CODEC_LAW: case CODEC_8BIT: lseek(p_tone_fh, offset*8000L, SEEK_SET); size = p_tone_size / 8000L; if (offset*8000L <= p_tone_left) p_tone_left -= offset*8000L; break; case CODEC_MONO: lseek(p_tone_fh, offset*16000L, SEEK_SET); size = p_tone_size / 16000L; if (offset*16000L <= p_tone_left) p_tone_left -= offset*16000L; //printf("\n\n\n size = %d\n\n\n\n",size); break; case CODEC_STEREO: lseek(p_tone_fh, offset*32000L, SEEK_SET); size = p_tone_size / 32000L; if (offset*32000L <= p_tone_left) p_tone_left -= offset*32000L; break; default: PERROR("no codec specified! exitting...\n"); exit(-1); } #else lseek(p_tone_fh, offset*8000L, SEEK_SET); size = p_tone_size / 8000L; if (offset*8000L <= p_tone_left) p_tone_left -= offset*8000L; #endif /* send message with counter value */ if (p_tone_size>=0 && ACTIVE_EPOINT(p_epointlist)) { message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_COUNTER); message->param.counter.current = offset; message->param.counter.max = size; message_put(message); } } } /* * set the playback speed (for recording playback with different speeds) */ void Port::set_vbox_speed(int speed) { /* enable vbox play mode */ p_tone_speed = speed; } /* write data to port's mixer buffer * it will be read by the port using read_audio * synchronisation is also done when writing is too fast and buffer is full * the mixer buffer will only mix what cannot be mixed by kernel mixer * * also write data to the record buffer. the record buffer will mix everything. */ void Port::mixer(union parameter *param) { struct mixer_relation *relation, **relationpointer; int len; unsigned char *data; signed short *data_16; int writep; signed long *buffer, *record; int must_mix = 1; /* set, if we need to mix (not done by kernel) */ /* we do not mix if we have audio from ourself but we need to record * unless we have a local echo enabled */ if (param->data.port_id==p_serial && !p_echotest) must_mix = 0; if ((param->data.port_type&PORT_CLASS_MASK)==PORT_CLASS_mISDN && (p_type&PORT_CLASS_MASK)==PORT_CLASS_mISDN) { must_mix = 0; } if (!p_record && !must_mix) /* if we do not record AND no need to mix */ { return; } /* get the relation to the write pointer. if no relation exists * for the given source port, we create one. */ relation = p_mixer_rel; relationpointer = &(p_mixer_rel); if (!relation) /* there is no relation at all */ { /* clear buffer to 0-volume and reset writep */ memset(p_mixer_buffer, 0, sizeof(p_mixer_buffer)); memset(p_record_buffer, 0, sizeof(p_record_buffer)); memset(p_stereo_buffer, 0, sizeof(p_stereo_buffer)); } else /* else because we do not need to run a 0-loop */ while(relation) { if (relation->port_id == param->data.port_id) break; relationpointer = &(relation->next); relation = relation->next; } if (!relation) { relation = *relationpointer = (struct mixer_relation *)calloc(1, sizeof(struct mixer_relation)); if (!relation) { PERROR("fatal error: cannot alloc memory for port mixer relation\n"); return; /* no mem */ } pmemuse++; memset(relation, 0, sizeof(struct mixer_relation)); relation->port_id = param->data.port_id; /* put write buffer in front of read buffer */ #ifndef BETTERDELAY relation->mixer_writep = (p_mixer_readp+(PORT_BUFFER/2))%PORT_BUFFER; #else relation->mixer_writep = p_mixer_readp; #endif #ifdef MIXER_DEBUG PDEBUG(DEBUG_PORT, "PORT(%s) Adding new mixer relation from port #%d (readp=%d, writep=%d, PORT_BUFFER=%d).\n", p_name, param->data.port_id, p_mixer_readp, relation->mixer_writep, PORT_BUFFER); #endif } /* adding remote's audio data to our mixer_buffer / record_buffer */ len = param->data.len; if (param->data.compressed == 0) /* in case of 16 bit data */ len >>= 1; if (len>PORT_BUFFER) PERROR("fatal error: audio data from remote port #%d is larger than mixer buffer %d>%d\n", param->data.port_id, len, PORT_BUFFER); writep = relation->mixer_writep; buffer = p_mixer_buffer; record = p_record_buffer; /* if stereo should be recorded */ if (param->data.port_id == p_serial) if (p_record_type == CODEC_STEREO) record = p_stereo_buffer; /* NOTE: if read and write pointer are equal, the buffer is full */ if ((p_mixer_readp-writep+PORT_BUFFER)%PORT_BUFFER < len) /* we would overrun the read pointer */ { #ifdef MIXER_DEBUG PERROR("PORT(%s) buffer overrun, source port #%d is sending too fast. (dropping %d samples)\n", p_name, param->data.port_id, len); #endif // we do not resync since dropping causes slowing writepointer down anyway... //relation->mixer_writep = (p_mixer_readp+(PORT_BUFFER/2))%PORT_BUFFER; return; } if (!p_record && must_mix) { /* WE MUST MIX BUT DO NOT RECORD */ if (param->data.compressed) { /* compressed data */ data = param->data.data; if (len+writep >= PORT_BUFFER) /* data hits the buffer end */ { len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */ while(writep < PORT_BUFFER) /* write till buffer end */ buffer[writep++] += audio_law_to_s32[*(data++)]; writep = 0; } while(len--) /* write rest */ buffer[writep++] += audio_law_to_s32[*(data++)]; } else { /* uncompressed data */ data_16 = (signed short *)param->data.data; if (len+writep >= PORT_BUFFER) /* data hits the buffer end */ { len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */ while(writep < PORT_BUFFER) /* write till buffer end */ buffer[writep++] += *(data_16++); writep = 0; } while(len--) /* write rest */ buffer[writep++] += *(data_16++); } } else /* else */ if (p_record && !must_mix) { /* WE MUST RECORD BUT DO NOT MIX */ if (param->data.compressed) { /* compressed data */ data = param->data.data; if (len+writep >= PORT_BUFFER) /* data hits the buffer end */ { len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */ while(writep < PORT_BUFFER) /* write till buffer end */ record[writep++] += audio_law_to_s32[*(data++)]; writep = 0; } while(len--) /* write rest */ record[writep++] += audio_law_to_s32[*(data++)]; } else { /* uncompressed data */ data_16 = (signed short *)param->data.data; if (len+writep >= PORT_BUFFER) /* data hits the buffer end */ { len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */ while(writep < PORT_BUFFER) /* write till buffer end */ record[writep++] += *(data_16++); writep = 0; } while(len--) /* write rest */ record[writep++] += *(data_16++); } } else { /* WE MUST MIX AND MUST RECORD */ if (param->data.compressed) { /* compressed data */ data = param->data.data; if (len+writep >= PORT_BUFFER) /* data hits the buffer end */ { len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */ while(writep < PORT_BUFFER) /* write till buffer end */ { buffer[writep] += audio_law_to_s32[*data]; record[writep++] += audio_law_to_s32[*(data++)]; } writep = 0; } while(len--) /* write rest */ { buffer[writep] += audio_law_to_s32[*data]; record[writep++] += audio_law_to_s32[*(data++)]; } } else { /* uncompressed data */ data_16 = (signed short *)param->data.data; if (len+writep >= PORT_BUFFER) /* data hits the buffer end */ { len = len+writep-PORT_BUFFER; /* rest to write in front of buffer */ while(writep < PORT_BUFFER) /* write till buffer end */ { buffer[writep] += *data_16; record[writep++] += *(data_16++); } writep = 0; } while(len--) /* write rest */ { buffer[writep] += *data_16; record[writep++] += *(data_16++); } } } relation->mixer_writep = writep; /* new write pointer */ // PDEBUG(DEBUG_PORT "written data len=%d port=%d (readp=%d, writep=%d, PORT_BUFFER=%d).\n", param->data.len, param->data.port_id, p_mixer_readp, relation->mixer_writep, PORT_BUFFER); } /* * read from the given file as specified in port_set_tone and return sample data * this data is mixed with the user space mixer (if anything mixed) and * filled into the buffer as many as given by length. * if compressed is true, the result in buffer is alaw/ulaw-compressed * otherwhise it is 16 bit audio. in this case the buffer size must be twice the lenght. * the length is the number of samples, not bytes in buffer! */ int Port::read_audio(unsigned char *buffer, int length, int compressed) { int l,len; unsigned short temp_buffer[PORT_BUFFER]; /* buffer for up to 32 bit of data */ int codec_in; /* current codec to use */ unsigned char *buf_in8; /* buffer pointer for alaw/ulaw/8bit data */ signed short *buf_in16; /* buffer pointer for alaw/ulaw/8bit data */ signed short *buf_out16; /* buffer pointer for outgoing audio data */ signed long *mix_buffer, *mix_buffer2, sample; /* pointer to mixer buffer */ struct mixer_relation *relation, **relationpointer; int readp; int nodata=0; /* to detect 0-length files */ char filename[128]; signed short record_buffer[PORT_BUFFER<<1], *rec_buffer; /* buffer of recorded part which will be written (*2 for stereo) */ unsigned char *rec8_buffer; /* used to send 8-bit audio (wave-8bit, law) */ int tone_left_before; /* temp variable to determine the change in p_tone_left */ /* nothing */ if (length == 0) return(0); /* just in case, we get too much to do */ if (length > PORT_BUFFER-1) length = PORT_BUFFER-1; len = length; buf_in8 = (unsigned char *)temp_buffer; buf_in16 = (signed short *)temp_buffer; codec_in = p_tone_codec; /* if there is no tone set, use silence */ if (p_tone_name[0] == 0) { codec_in = CODEC_LAW; rest_is_silence: switch(codec_in) { case CODEC_LAW: memset(buf_in8, (options.law=='a')?0x2a:0xff, len); /* silence */ break; case CODEC_MONO: case CODEC_8BIT: case CODEC_STEREO: memset(buf_in16, 0, len<<1); /* silence */ break; default: PERROR("Software error: no codec during silence\n"); exit(-1); } goto mix_to_buffer; } /* if the file pointer is not open, we open it */ if (p_tone_fh<0 && p_tone_fetched==NULL) { if (p_tone_dir[0]) { SPRINT(filename, "%s", p_tone_name); /* if file does not exist */ if (!(p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, &p_tone_size, &p_tone_left))) { SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name); /* if file does not exist */ if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0) { PDEBUG(DEBUG_PORT, "PORT(%s) no tone: %s\n", p_name, filename); goto try_loop; } fhuse++; } } else { SPRINT(filename, "%s", p_tone_name); /* if file does not exist */ if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0) { PDEBUG(DEBUG_PORT, "PORT(%s) no tone: %s\n", p_name, filename); goto try_loop; } fhuse++; } codec_in = p_tone_codec; //printf("\n\ncodec=%d\n\n\n", p_tone_codec); PDEBUG(DEBUG_PORT, "PORT(%s) opening %stone: %s\n", p_name, p_tone_fetched?"fetched ":"", filename); } read_more: /* file descriptor is open read data */ tone_left_before = p_tone_left; if (p_tone_fh >= 0) { switch(codec_in) { case CODEC_LAW: l = read_tone(p_tone_fh, buf_in8, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed); if (l<0 || l>len) /* paranoia */ l=0; buf_in8 += l; len -= l; break; case CODEC_8BIT: l = read_tone(p_tone_fh, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed); if (l<0 || l>len) /* paranoia */ l=0; buf_in16 += l; len -= l; break; case CODEC_MONO: l = read_tone(p_tone_fh, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed); if (l<0 || l>len) /* paranoia */ l=0; buf_in16 += l; len -= l; break; case CODEC_STEREO: l = read_tone(p_tone_fh, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed); if (l<0 || l>len) /* paranoia */ l=0; buf_in16 += l; len -= l; break; default: PERROR("Software error: current tone reading has no codec\n"); exit(-1); } } if (p_tone_fetched) { switch(codec_in) { case CODEC_LAW: l = read_tone_fetched(&p_tone_fetched, buf_in8, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed); if (l<0 || l>len) /* paranoia */ l=0; buf_in8 += l; len -= l; break; case CODEC_MONO: l = read_tone_fetched(&p_tone_fetched, buf_in16, codec_in, len, p_tone_size, &p_tone_left, p_tone_speed); if (l<0 || l>len) /* paranoia */ l=0; buf_in16 += l; len -= l; break; default: PERROR("Software error: current tone reading has no codec\n"); exit(-1); } } /* if counter is enabled, we check if we have a change */ if (p_tone_counter && p_tone_size>=0 && ACTIVE_EPOINT(p_epointlist)) { /* if we jumed to the next second */ if (((p_tone_size-p_tone_left)/8000) != (p_tone_size-tone_left_before)/8000) { //printf("\nsize=%d left=%d\n\n",p_tone_size,p_tone_left); struct message *message; message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_COUNTER); message->param.counter.current = (p_tone_size-p_tone_left)/8000; message->param.counter.max = -1; message_put(message); } } if (len==0) goto mix_to_buffer; if (p_tone_fh >= 0) { close(p_tone_fh); p_tone_fh = -1; fhuse--; } p_tone_fetched = NULL; if (l) nodata=0; /* if the file has 0-length */ if (nodata>1) { PDEBUG(DEBUG_PORT, "PORT(%s) 0-length loop: %s\n", p_name, filename); p_tone_name[0]=0; p_tone_dir[0]=0; goto rest_is_silence; } /* if eof is reached, or if the normal file cannot be opened, continue with the loop file if possible */ try_loop: if (p_tone_eof && ACTIVE_EPOINT(p_epointlist)) { struct message *message; message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_EOF); message_put(message); } if (p_tone_dir[0]) { /* if file does not exist */ SPRINT(filename, "%s_loop", p_tone_name); if (!(p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, &p_tone_size, &p_tone_left))) { SPRINT(filename, "%s/%s/%s_loop", INSTALL_DATA, p_tone_dir, p_tone_name); /* if file does not exist */ if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0) { PDEBUG(DEBUG_PORT, "PORT(%s) no tone loop: %s\n",p_name, filename); p_tone_dir[0] = '\0'; p_tone_name[0] = '\0'; // codec_in = CODEC_LAW; goto rest_is_silence; } fhuse++; } } else { SPRINT(filename, "%s_loop", p_tone_name); /* if file does not exist */ if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0) { PDEBUG(DEBUG_PORT, "PORT(%s) no tone loop: %s\n",p_name, filename); p_tone_dir[0] = '\0'; p_tone_name[0] = '\0'; // codec_in = CODEC_LAW; goto rest_is_silence; } fhuse++; } codec_in = p_tone_codec; nodata++; PDEBUG(DEBUG_PORT, "PORT(%s) opening %stone: %s\n", p_name, p_tone_fetched?"fetched ":"", filename); /* now we have opened the loop */ goto read_more; /* ********** * now we mix * we take the buffer content and mix the mixer_buffer to what we got */ mix_to_buffer: /* release all writepointer which will underrun, since writing of * remote port data is too slow */ relation = p_mixer_rel; readp = p_mixer_readp; relationpointer = &(p_mixer_rel); while(relation) /* if no relation, this is skipped */ { /* NOTE: if writep and readp are equal, the distance ist max * == PORT_BUFFER */ if (((relation->mixer_writep-readp-1+PORT_BUFFER)%PORT_BUFFER)+1 <= length) /* underrun */ { /* remove port relation in order to resync. * this is also caused by ports which do not transmit * anymore. */ #ifdef MIXER_DEBUG PERROR("PORT(%s) Buffer underrun, source port is sending too slow or stopped sending, removing relation. (readp=%d, writep=%d, PORT_BUFFER=%d)\n", p_name, readp, relation->mixer_writep, PORT_BUFFER); #endif *relationpointer = relation->next; memset(relation, 0, sizeof(struct mixer_relation)); free(relation); pmemuse--; relation = *relationpointer; continue; } relationpointer = &(relation->next); relation = relation->next; } /* if we do recording, we write the record data and the buffer data to the record fp and increment record_count */ if (p_record) switch (p_record_type) { case CODEC_MONO: /* convert from mixer to uncompressed 16 bit mono audio */ switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: len = length; mix_buffer = p_record_buffer; rec_buffer = record_buffer; buf_in16 = (signed short *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length<<1), 1, p_record); p_record_length = (length<<1) + p_record_length; } break; case CODEC_LAW: len = length; mix_buffer = p_record_buffer; rec_buffer = record_buffer; buf_in8 = (unsigned char *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length<<1), 1, p_record); p_record_length = (length<<1) + p_record_length; } break; } break; case CODEC_STEREO: /* convert from mixer to uncompressed 16 bit stereo audio */ switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: len = length; mix_buffer = p_record_buffer; mix_buffer2 = p_stereo_buffer; rec_buffer = record_buffer; buf_in16 = (signed short *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; *(rec_buffer++) = mix_buffer2[readp]; mix_buffer2[readp++] = 0; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; *(rec_buffer++) = mix_buffer2[readp]; mix_buffer2[readp++] = 0; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length<<2), 1, p_record); p_record_length = (length<<2) + p_record_length; } break; case CODEC_LAW: len = length; mix_buffer = p_record_buffer; mix_buffer2 = p_stereo_buffer; rec_buffer = record_buffer; buf_in8 = (unsigned char *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; *(rec_buffer++) = mix_buffer2[readp]; mix_buffer2[readp++] = 0; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec_buffer++) = sample; *(rec_buffer++) = mix_buffer2[readp]; mix_buffer2[readp++] = 0; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length<<2), 1, p_record); p_record_length = (length<<2) + p_record_length; } break; } break; case CODEC_8BIT: /* convert from mixer to uncompressed 8 bit mono audio */ switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: len = length; mix_buffer = p_record_buffer; rec8_buffer = (unsigned char *)record_buffer; buf_in16 = (signed short *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = (sample>>8)+0x80; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = (sample>>8)+0x80; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length), 1, p_record); p_record_length = (length) + p_record_length; } break; case CODEC_LAW: len = length; mix_buffer = p_record_buffer; rec8_buffer = (unsigned char *)record_buffer; buf_in8 = (unsigned char *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = (sample>>8)+0x80; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = (sample>>8)+0x80; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length), 1, p_record); p_record_length = (length) + p_record_length; } break; } break; case CODEC_LAW: case CODEC_OFF: /* if no codec is specified, the recorded data will be stored as LAW */ /* convert from mixer to law */ switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: len = length; mix_buffer = p_record_buffer; rec8_buffer = (unsigned char *)record_buffer; buf_in16 = (signed short *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = audio_s16_to_law[sample & 0xffff]; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = audio_s16_to_law[sample & 0xffff]; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length), 1, p_record); p_record_length = (length) + p_record_length; } break; case CODEC_LAW: len = length; mix_buffer = p_record_buffer; rec8_buffer = (unsigned char *)record_buffer; buf_in8 = (unsigned char *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = audio_s16_to_law[sample & 0xffff]; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(rec8_buffer++) = audio_s16_to_law[sample & 0xffff]; } /* restore (changed) read pointer for further use */ readp = p_mixer_readp; /* now write the rec_buffer to the file */ if (p_record_skip) { p_record_skip -= length; if (p_record_skip < 0) p_record_skip = 0; } else { fwrite(record_buffer, (length), 1, p_record); p_record_length = (length) + p_record_length; } break; } break; } /* if we have no transmitting relation, we do not need read mixer */ if (!p_mixer_rel) { /* nothing mixed to(no rel), so we are just done */ if (compressed) { /* compress to law */ len = length; buf_in8 = (unsigned char *)temp_buffer; buf_in16 = (signed short *)temp_buffer; buf_out16 = (signed short *)buffer; switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: while(len--) *(buffer++) = audio_s16_to_law[*(buf_in16++) & 0xffff]; break; case CODEC_LAW: memcpy(buffer, temp_buffer, length); break; default: PERROR("Software error: current tone for unmixed & uncompressed, has no codec\n"); exit(-1); } } else { /* uncompress law files */ len = length; buf_in8 = (unsigned char *)temp_buffer; buf_in16 = (signed short *)temp_buffer; buf_out16 = (signed short *)buffer; switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: while(len--) (*(buf_out16++)) = *(buf_in16++); break; case CODEC_LAW: while(len--) (*(buf_out16++)) = audio_law_to_s32[*(buf_in8++)]; break; default: PERROR("Software error: current tone for unmixed & uncompressed, has no codec\n"); exit(-1); } } return(length); } // PDEBUG(DEBUG_PORT, "PORT(%s) mixing %d bytes. (readp=%d, PORT_BUFFER=%d)\n", p_name, length, readp, PORT_BUFFER); /* now we got our stuff and we'll mix it baby */ len = length; mix_buffer = p_mixer_buffer; if (compressed) { /* convert from mixer to compressed law data */ switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: buf_in16 = (signed short *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buffer++) = audio_s16_to_law[sample & 0xffff]; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buffer++) = audio_s16_to_law[sample & 0xffff]; } break; case CODEC_LAW: buf_in8 = (unsigned char *)temp_buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buffer++) = audio_s16_to_law[sample & 0xffff]; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buffer++) = audio_s16_to_law[sample & 0xffff]; } break; default: PERROR("Software error: current tone for compressed data has no codec\n"); exit(-1); } } else { /* convert from mixer to uncompressed 16 bit audio */ switch(codec_in) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: buf_in16 = (signed short *)temp_buffer; buf_out16 = (signed short *)buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buf_out16++) = sample; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+*(buf_in16++); mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buf_out16++) = sample; } break; case CODEC_LAW: buf_in8 = (unsigned char *)temp_buffer; buf_out16 = (signed short *)buffer; if (len+readp >= PORT_BUFFER) /* data hits the buffer end */ { len = len+readp-PORT_BUFFER; /* rest to read from buffer start */ while(readp < PORT_BUFFER) { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buf_out16++) = sample; } readp = 0; } while(len--) /* write rest */ { /* mix till buffer end */ sample = mix_buffer[readp]+audio_law_to_s32[*(buf_in8++)]; mix_buffer[readp++] = 0; if (sample < -32767) sample = -32767; if (sample > 32767) sample = 32767; *(buf_out16++) = sample; } break; default: PERROR("Software error: current tone for uncompressed data has no codec\n"); exit(-1); } } p_mixer_readp = readp; /* new read pointer */ return(length); } /* dummy handler */ int Port::handler(void) { return(0); } /* endpoint sends messages to the port * this is called by the message_epoint inherited by child classes * therefor a return=1 means: stop, no more processing */ //extern struct message *dddebug; int Port::message_epoint(unsigned long epoint_id, int message_id, union parameter *param) { /* check if we got audio data from one remote port */ switch(message_id) { case MESSAGE_TONE: /* play tone */ PDEBUG(DEBUG_PORT, "PORT(%s) isdn port with (caller id %s) setting tone '%s' dir '%s'\n", p_name, p_callerinfo.id, param->tone.name, param->tone.dir); set_tone(param->tone.dir,param->tone.name); return(1); case MESSAGE_DATA: //printf("port=%s, epoint=%d\n",p_cardname, epoint->e_serial); mixer(param); return(1); case MESSAGE_VBOX_TONE: /* play tone of answering machine */ PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine tone '%s' '%s'\n", p_name, param->tone.dir, param->tone.name); set_vbox_tone(param->tone.dir, param->tone.name); return(1); case MESSAGE_VBOX_PLAY: /* play recording of answering machine */ PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine file to play '%s' (offset %d seconds)\n", p_name, param->play.file, param->play.offset); set_vbox_play(param->play.file, param->play.offset); return(1); case MESSAGE_VBOX_PLAY_SPEED: /* set speed of playback (recording of answering machine) */ PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine playback speed %d (times)\n", p_name, param->speed); set_vbox_speed(param->speed); return(1); } return(0); } /* * special function generate individual isdn debug logs */ void Port::printisdn(char *fmt, ...) { char buffer[4096]; char name[128]; va_list args; FILE *fp; va_start(args,fmt); VUNPRINT(buffer,sizeof(buffer)-1,fmt,args); buffer[sizeof(buffer)-1]=0; va_end(args); PDEBUG_RUNTIME(NULL, 0, DEBUG_PORT, "PORT(%s serial=%ld): %s\n", p_name, p_serial, buffer); if (options.deb & DEBUG_LOG) { SPRINT(name, "%s/debug_%s.log", INSTALL_DATA, p_name); if (!(fp = fopen(name, "a"))) return; fprintf(fp, "%04d.%02d.%02d %02d:%02d:%02d %s(%ld): %s", now_tm->tm_year+1900, now_tm->tm_mon+1, now_tm->tm_mday, now_tm->tm_hour, now_tm->tm_min, now_tm->tm_sec, p_name, p_serial, buffer); fclose(fp); } } /* wave header structure */ struct fmt { unsigned short stereo; /* 1 = mono, 2 = stereo */ unsigned short channels; /* number of channels */ unsigned long sample_rate; /* sample rate */ unsigned long data_rate; /* data rate */ unsigned short bytes_sample; /* bytes per sample (all channels) */ unsigned short bits_sample; /* bits per sample (one channel) */ }; /* * open record file (actually a wave file with empty header which will be * written before close, because we do not know the size yet) * type=1 record annoucement, type=0 record audio stream, type=2 record vbox */ int Port::open_record(int type, int vbox, int skip, char *terminal, int anon_ignore, char *vbox_email, int vbox_email_file) { /* RIFFxxxxWAVEfmt xxxx(fmt-size)dataxxxx... */ char dummyheader[8+4+8+sizeof(fmt)+8]; char filename[256]; if (!terminal) { PERROR("Port(%d) not a terminal\n", p_serial); return(0); } SCPY(p_record_extension, terminal); p_record_anon_ignore = anon_ignore; SCPY(p_record_vbox_email, vbox_email); p_record_vbox_email_file = vbox_email_file; if (p_record) { PERROR("Port(%d) already recording\n", p_serial); return(0); } if (vbox != 0) SPRINT(filename, "%s/%s/%s/vbox", INSTALL_DATA, options.extensions_dir, p_record_extension); else SPRINT(filename, "%s/%s/%s/recordings", INSTALL_DATA, options.extensions_dir, p_record_extension); if (mkdir(filename, 0755) < 0) { if (errno != EEXIST) { PERROR("Port(%d) cannot create directory '%s'\n", p_serial, filename); return(0); } } if (vbox == 1) UPRINT(strchr(filename,'\0'), "/announcement"); else UPRINT(strchr(filename,'\0'), "/%04d-%02d-%02d_%02d%02d%02d", now_tm->tm_year+1900, now_tm->tm_mon+1, now_tm->tm_mday, now_tm->tm_hour, now_tm->tm_min, now_tm->tm_sec); if (vbox == 2) { p_record_vbox_year = now_tm->tm_year; p_record_vbox_mon = now_tm->tm_mon; p_record_vbox_mday = now_tm->tm_mday; p_record_vbox_hour = now_tm->tm_hour; p_record_vbox_min = now_tm->tm_min; } /* check, if file exists (especially when an extension calls the same extension) */ if (vbox != 1) if ((p_record = fopen(filename, "r"))) { fclose(p_record); SCAT(filename, "_2nd"); } p_record = fopen(filename, "w"); if (!p_record) { PERROR("Port(%d) cannot record because file cannot be opened '%s'\n", p_serial, filename); return(0); } fduse++; p_record_type = type; p_record_vbox = vbox; p_record_skip = skip; p_record_length = 0; switch(p_record_type) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: fwrite(dummyheader, sizeof(dummyheader), 1, p_record); break; case CODEC_LAW: break; } UCPY(p_record_filename, filename); PDEBUG(DEBUG_PORT, "Port(%d) recording started with file name '%s'\n", p_serial, filename); return(1); } /* * close the recoding file, put header in front and rename */ void Port::close_record(int beep) { static signed long beep_mono[] = {-10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000}; static unsigned char beep_8bit[] = {48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208}; unsigned long size, wsize; struct fmt fmt; char filename[512], indexname[512]; FILE *fp; int i, ii; char number[256], callerid[256]; char *p; struct caller_info callerinfo; char *valid_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890_.-!$%&/()=+*;~"; if (!p_record) return; memcpy(&callerinfo, &p_callerinfo, sizeof(struct caller_info)); apply_callerid_restriction(p_record_anon_ignore, -1, callerinfo.id, &callerinfo.ntype, &callerinfo.present, &callerinfo.screen, callerinfo.voip, callerinfo.intern, callerinfo.name); SCPY(number, p_dialinginfo.number); SCPY(callerid, numberrize_callerinfo(callerinfo.id, callerinfo.ntype)); if (callerid[0] == '\0') { if (callerinfo.present == INFO_PRESENT_RESTRICTED) UCPY(callerid,"anonymous"); else UCPY(callerid,"unknown"); } /* change verboten digits */ p = callerid; while((p=strchr(p,'*'))) *(p++) = 'x'; p = callerid; while((p=strchr(p,'/'))) *(p++) = 'x'; p = number; while((p=strchr(p,'*'))) *(p++) = 'x'; p = number; while((p=strchr(p,'/'))) *(p++) = 'x'; i = 0; ii = strlen(callerid); while(i < ii) { if (!strchr(valid_chars, callerid[i])) callerid[i] = '_'; i++; } i = 0; ii = strlen(number); while(i < ii) { if (!strchr(valid_chars, number[i])) number[i] = '_'; i++; } /* add beep to the end of recording */ if (beep) switch(p_record_type) { case CODEC_MONO: i = 0; while(i < beep) { fwrite(beep_mono, sizeof(beep_mono), 1, p_record); i += sizeof(beep_mono); p_record_length += sizeof(beep_mono); } break; case CODEC_8BIT: i = 0; while(i < beep) { fwrite(beep_8bit, sizeof(beep_8bit), 1, p_record); i += sizeof(beep_8bit); p_record_length += sizeof(beep_8bit); } break; #if 0 case CODEC_LAW: i = 0; while(i < beep) { fwrite(beep_law, sizeof(beep_law), 1, p_record); i += sizeof(beep_law); p_record_length += sizeof(beep_law); } break; #endif default: PERROR("codec %d not supported for beep adding\n", p_record_type); } /* complete header */ switch(p_record_type) { case CODEC_MONO: case CODEC_STEREO: case CODEC_8BIT: /* cue */ fprintf(p_record, "cue %c%c%c%c%c%c%c%c", 4, 0, 0, 0, 0,0,0,0); /* LIST */ fprintf(p_record, "LIST%c%c%c%cadtl", 4, 0, 0, 0); /* go to header */ fseek(p_record, 0, SEEK_SET); /* WAVEfmt xxxx(fmt-size)dataxxxx[data]cue xxxx0000LISTxxxxadtl*/ size = p_record_length; wsize = 4+8+sizeof(fmt)+8+size+8+4+8+4; /* RIFF */ fprintf(p_record, "RIFF%c%c%c%c", (unsigned char)(wsize&0xff), (unsigned char)((wsize>>8)&0xff), (unsigned char)((wsize>>16)&0xff), (unsigned char)(wsize>>24)); /* WAVE */ fprintf(p_record, "WAVE"); /* fmt */ fprintf(p_record, "fmt %c%c%c%c", sizeof(fmt), 0, 0, 0); switch(p_record_type) { case CODEC_MONO: fmt.stereo = 1; fmt.channels = 1; fmt.sample_rate = 8000; /* samples/sec */ fmt.data_rate = 16000; /* full data rate */ fmt.bytes_sample = 2; /* all channels */ fmt.bits_sample = 16; /* one channel */ break; case CODEC_STEREO: fmt.stereo = 1; fmt.channels = 2; fmt.sample_rate = 8000; /* samples/sec */ fmt.data_rate = 32000; /* full data rate */ fmt.bytes_sample = 4; /* all channels */ fmt.bits_sample = 16; /* one channel */ break; case CODEC_8BIT: fmt.stereo = 1; fmt.channels = 1; fmt.sample_rate = 8000; /* samples/sec */ fmt.data_rate = 8000; /* full data rate */ fmt.bytes_sample = 1; /* all channels */ fmt.bits_sample = 8; /* one channel */ break; } fwrite(&fmt, sizeof(fmt), 1, p_record); /* data */ fprintf(p_record, "data%c%c%c%c", (unsigned char)(size&0xff), (unsigned char)((size>>8)&0xff), (unsigned char)((size>>16)&0xff), (unsigned char)(size>>24)); /* rename file */ if (p_record_vbox == 1) SPRINT(filename, "%s.wav", p_record_filename); else SPRINT(filename, "%s_%s-%s.wav", p_record_filename, callerid, number); break; case CODEC_LAW: /* rename file */ if (p_record_vbox == 1) SPRINT(filename, "%s.isdn", p_record_filename); else SPRINT(filename, "%s_%s-%s.isdn", p_record_filename, callerid, number); break; default: if (p_record_vbox == 1) SPRINT(filename, "%s.unknown", p_record_filename); else SPRINT(filename, "%s_%s-%s.unknown", p_record_filename, callerid, number); } fclose(p_record); fduse--; p_record = NULL; if (rename(p_record_filename, filename) < 0) { PERROR("Port(%d) cannot rename from '%s' to '%s'\n", p_serial, p_record_filename, filename); return; } PDEBUG(DEBUG_PORT, "Port(%d) recording is written and renamed to '%s' and must have the following size:%lu raw:%lu samples:%lu\n", p_serial, filename, wsize+8, size, size>>1); if (p_record_vbox == 2) { SPRINT(indexname, "%s/%s/%s/vbox/index", INSTALL_DATA, options.extensions_dir, p_record_extension); if ((fp = fopen(indexname,"a"))) { fduse++; /* remove path from file name */ p = filename; while(strchr(p, '/')) p = strchr(p, '/')+1; fprintf(fp, "%s %d %d %d %d %d %s\n", p, p_record_vbox_year, p_record_vbox_mon, p_record_vbox_mday, p_record_vbox_hour, p_record_vbox_min, callerid); fclose(fp); fduse--; } else { PERROR("Port(%d) cannot open index file '%s' to append.\n", p_serial, indexname); } /* send email with sample*/ if (p_record_vbox_email[0]) { send_mail(p_record_vbox_email_file?filename:(char *)"", callerid, callerinfo.intern, callerinfo.name, p_record_vbox_email, p_record_vbox_year, p_record_vbox_mon, p_record_vbox_mday, p_record_vbox_hour, p_record_vbox_min, p_record_extension); } } }