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/*
meterec
Console based multi track digital peak meter and recorder for JACK
Copyright (C) 2009-2013 Fabrice Lebas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sndfile.h>
#include <jack/jack.h>
#include <curses.h>
#include "meterec.h"
#include "queue.h"
#include "conf.h"
void add_event(struct meterec_s *meterec, unsigned int queue, unsigned int type, jack_nframes_t old_playhead, jack_nframes_t new_playhead, unsigned int buffer_pos) {
struct event_s *event;
static unsigned int id=0;
event = meterec->event;
if (event == NULL) {
event = (struct event_s *)malloc(sizeof(struct event_s));
event->prev = NULL;
event->next = NULL;
meterec->event = event;
}
else {
while (event->next)
event = event->next;
event->next = (struct event_s *)malloc(sizeof(struct event_s));
event->next->prev = event;
event->next->next = NULL;
event = event->next;
}
event->id = id;
event->type = type;
event->queue = queue;
event->old_playhead = old_playhead;
event->new_playhead = new_playhead;
event->buffer_pos = buffer_pos;
id++;
}
int event_match(struct event_s *event, unsigned int queue, unsigned int type) {
int match_type, match_queue;
if (type)
if (event->type == type)
match_type = 1;
else
match_type = 0;
else
match_type = 1;
if (queue)
if (event->queue == queue)
match_queue = 1;
else
match_queue = 0;
else
match_queue = 1;
return (match_type && match_queue);
}
struct event_s * find_first_event(struct meterec_s *meterec, unsigned int queue, unsigned int type) {
struct event_s *event;
if (meterec->event == NULL)
return NULL;
event = meterec->event;
while (event) {
if (event_match(event, queue, type))
return event;
event = event->next;
}
return NULL;
}
struct event_s * find_last_event(struct meterec_s *meterec, unsigned int queue, unsigned int type) {
struct event_s *event;
if (meterec->event == NULL)
return NULL;
event = meterec->event;
while (event->next)
event = event->next;
while (event) {
if (event_match(event, queue, type))
return event;
event = event->prev;
}
return NULL;
}
void rm_event(struct meterec_s *meterec, struct event_s *event) {
if (event == NULL)
return;
if (event->prev)
event->prev->next = event->next ;
else
meterec->event = event->next ;
if (event->next)
event->next->prev = event->prev ;
if (event->prev == NULL && event->next == NULL)
meterec->event = NULL;
free(event);
}
void find_rm_events(struct meterec_s *meterec, unsigned int queue, unsigned int type) {
struct event_s *event;
event = meterec->event;
while (event) {
event = find_first_event(meterec, queue, type);
rm_event(meterec, event);
}
}
void event_queue_print(struct meterec_s *meterec, unsigned int where) {
struct event_s *event;
if (where == CURSES)
printw(">-------------------------------------------------------\n");
if (where == STDOUT)
printf(">-------------------------------------------------------\n");
if (where == LOG)
fprintf(meterec->fd_log, ">-------------------------------------------------------\n");
event = meterec->event ;
while (event) {
event_print(meterec, where, event);
event = event->next;
}
if (where == CURSES)
printw("^-------------------------------------------------------\n");
if (where == STDOUT)
printf("^-------------------------------------------------------\n");
if (where == LOG)
fprintf(meterec->fd_log, "^-------------------------------------------------------\n");
}
void event_print(struct meterec_s *meterec, unsigned int where, struct event_s *event) {
const char *stype = NULL;
const char *squeue = NULL;
char out[100] = "";
switch (event->type) {
case ALL: stype = "ALL"; break;
case SEEK: stype = "SEEK"; break;
case LOCK: stype = "LOCK"; break;
case LOOP: stype = "LOOP"; break;
}
switch (event->queue) {
case ALL: squeue = "ALL"; break;
case DISK: squeue = "DISK"; break;
case JACK: squeue = "JACK"; break;
case PEND: squeue = "PEND"; break;
}
sprintf(out, "id %2d |queue %s |type %s |old %d |new %d |buf %d", event->id, squeue, stype, event->old_playhead, event->new_playhead, event->buffer_pos);
if (where == CURSES)
printw("%s\n", out);
if (where == STDOUT)
printf("%s\n", out);
if (where == LOG)
fprintf(meterec->fd_log, "%s\n", out);
}
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