81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
/*
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Copyright (C) 2002-2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include "timestamps.h"
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#include "JackTime.h"
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typedef struct {
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jack_time_t when;
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const char *what;
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} jack_timestamp_t;
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static jack_timestamp_t *timestamps = 0;
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static unsigned long timestamp_cnt = 0;
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static unsigned long timestamp_index;
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void
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jack_init_timestamps (unsigned long howmany)
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{
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if (timestamps) {
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free (timestamps);
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}
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timestamps = (jack_timestamp_t *)
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malloc (howmany * sizeof(jack_timestamp_t));
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timestamp_cnt = howmany;
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memset (timestamps, 0, sizeof(jack_timestamp_t) * howmany);
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timestamp_index = 0;
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}
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void
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jack_timestamp (const char *what)
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{
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if (timestamp_index < timestamp_cnt) {
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timestamps[timestamp_index].when = GetMicroSeconds();
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timestamps[timestamp_index].what = what;
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++timestamp_index;
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}
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}
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void
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jack_dump_timestamps (FILE *out)
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{
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unsigned long i;
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for (i = 0; i < timestamp_index; ++i) {
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fprintf (out, "%-.32s %" PRIu64 " %" PRIu64,
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timestamps[i].what, timestamps[i].when,
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timestamps[i].when - timestamps[0].when);
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if (i > 0) {
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fprintf (out, " %" PRIu64,
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timestamps[i].when - timestamps[i-1].when);
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}
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fputc ('\n', out);
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}
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}
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void
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jack_reset_timestamps ()
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{
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timestamp_index = 0;
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}
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