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/*
Copyright (C) 2002-2003 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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 <inttypes.h>
#include "timestamps.h"
#include "JackTime.h"
typedef struct {
jack_time_t when;
const char *what;
} jack_timestamp_t;
static jack_timestamp_t *timestamps = 0;
static unsigned long timestamp_cnt = 0;
static unsigned long timestamp_index;
void
jack_init_timestamps (unsigned long howmany)
{
if (timestamps) {
free (timestamps);
}
timestamps = (jack_timestamp_t *)
malloc (howmany * sizeof(jack_timestamp_t));
timestamp_cnt = howmany;
memset (timestamps, 0, sizeof(jack_timestamp_t) * howmany);
timestamp_index = 0;
}
void
jack_timestamp (const char *what)
{
if (timestamp_index < timestamp_cnt) {
timestamps[timestamp_index].when = GetMicroSeconds();
timestamps[timestamp_index].what = what;
++timestamp_index;
}
}
void
jack_dump_timestamps (FILE *out)
{
unsigned long i;
for (i = 0; i < timestamp_index; ++i) {
fprintf (out, "%-.32s %" PRIu64 " %" PRIu64,
timestamps[i].what, timestamps[i].when,
timestamps[i].when - timestamps[0].when);
if (i > 0) {
fprintf (out, " %" PRIu64,
timestamps[i].when - timestamps[i-1].when);
}
fputc ('\n', out);
}
}
void
jack_reset_timestamps ()
{
timestamp_index = 0;
}
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