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authorSuper User2007-05-06 15:54:52 +0200
committerSuper User2007-05-06 15:54:52 +0200
commit2ed0fee489c37a6e2d4473f6185ebbe3e746ac11 (patch)
treefcf232bc282c083404cfde0ce5b04236fe202c3e /port.cpp
parentfirst commit (diff)
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only for backup, still in coding state - no compile!!!
Diffstat (limited to 'port.cpp')
-rw-r--r--port.cpp2116
1 files changed, 2116 insertions, 0 deletions
diff --git a/port.cpp b/port.cpp
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index 0000000..a68ca59
--- /dev/null
+++ b/port.cpp
@@ -0,0 +1,2116 @@
+/*****************************************************************************\
+** **
+** PBX4Linux **
+** **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg **
+** **
+** port **
+** **
+\*****************************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#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);
+ }
+ }
+}
+
+
+