From 2ed0fee489c37a6e2d4473f6185ebbe3e746ac11 Mon Sep 17 00:00:00 2001 From: Super User Date: Sun, 6 May 2007 15:54:52 +0200 Subject: only for backup, still in coding state - no compile!!! --- port.cpp | 2116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2116 insertions(+) create mode 100644 port.cpp (limited to 'port.cpp') diff --git a/port.cpp b/port.cpp new file mode 100644 index 0000000..a68ca59 --- /dev/null +++ b/port.cpp @@ -0,0 +1,2116 @@ +/*****************************************************************************\ +** ** +** 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); + } + } +} + + + -- cgit v1.2.3-55-g7522