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/* $Id: util.h 3550 2011-05-05 05:33:27Z nanang $ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* 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> /* strtol() */
/* Util to display the error message for the specified error code */
static int app_perror( const char *sender, const char *title,
pj_status_t status)
{
char errmsg[PJ_ERR_MSG_SIZE];
pj_strerror(status, errmsg, sizeof(errmsg));
PJ_LOG(3,(sender, "%s: %s [code=%d]", title, errmsg, status));
return 1;
}
/* Constants */
#define CLOCK_RATE 44100
#define NSAMPLES (CLOCK_RATE * 20 / 1000)
#define NCHANNELS 1
#define NBITS 16
/*
* Common sound options.
*/
#define SND_USAGE \
" -d, --dev=NUM Sound device use device id NUM (default=-1) \n"\
" -r, --rate=HZ Set clock rate in samples per sec (default=44100)\n"\
" -c, --channel=NUM Set # of channels (default=1 for mono). \n"\
" -f, --frame=NUM Set # of samples per frame (default equival 20ms)\n"\
" -b, --bit=NUM Set # of bits per sample (default=16) \n"
/*
* This utility function parses the command line and look for
* common sound options.
*/
pj_status_t get_snd_options(const char *app_name,
int argc,
char *argv[],
int *dev_id,
int *clock_rate,
int *channel_count,
int *samples_per_frame,
int *bits_per_sample)
{
struct pj_getopt_option long_options[] = {
{ "dev", 1, 0, 'd' },
{ "rate", 1, 0, 'r' },
{ "channel", 1, 0, 'c' },
{ "frame", 1, 0, 'f' },
{ "bit", 1, 0, 'b' },
{ NULL, 0, 0, 0 },
};
int c;
int option_index;
long val;
char *err;
*samples_per_frame = 0;
pj_optind = 0;
while((c=pj_getopt_long(argc,argv, "d:r:c:f:b:",
long_options, &option_index))!=-1)
{
switch (c) {
case 'd':
/* device */
val = strtol(pj_optarg, &err, 10);
if (*err) {
PJ_LOG(3,(app_name, "Error: invalid value for device id"));
return PJ_EINVAL;
}
*dev_id = val;
break;
case 'r':
/* rate */
val = strtol(pj_optarg, &err, 10);
if (*err) {
PJ_LOG(3,(app_name, "Error: invalid value for clock rate"));
return PJ_EINVAL;
}
*clock_rate = val;
break;
case 'c':
/* channel count */
val = strtol(pj_optarg, &err, 10);
if (*err) {
PJ_LOG(3,(app_name, "Error: invalid channel count"));
return PJ_EINVAL;
}
*channel_count = val;
break;
case 'f':
/* frame count/samples per frame */
val = strtol(pj_optarg, &err, 10);
if (*err) {
PJ_LOG(3,(app_name, "Error: invalid samples per frame"));
return PJ_EINVAL;
}
*samples_per_frame = val;
break;
case 'b':
/* bit per sample */
val = strtol(pj_optarg, &err, 10);
if (*err) {
PJ_LOG(3,(app_name, "Error: invalid samples bits per sample"));
return PJ_EINVAL;
}
*bits_per_sample = val;
break;
default:
/* Unknown options */
PJ_LOG(3,(app_name, "Error: unknown options '%c'", pj_optopt));
return PJ_EINVAL;
}
}
if (*samples_per_frame == 0) {
*samples_per_frame = *clock_rate * *channel_count * 20 / 1000;
}
return 0;
}
/* Dump memory pool usage. */
void dump_pool_usage( const char *app_name, pj_caching_pool *cp )
{
#if !defined(PJ_HAS_POOL_ALT_API) || PJ_HAS_POOL_ALT_API==0
pj_pool_t *p;
unsigned total_alloc = 0;
unsigned total_used = 0;
/* Accumulate memory usage in active list. */
p = cp->used_list.next;
while (p != (pj_pool_t*) &cp->used_list) {
total_alloc += pj_pool_get_capacity(p);
total_used += pj_pool_get_used_size(p);
p = p->next;
}
PJ_LOG(3, (app_name, "Total pool memory allocated=%d KB, used=%d KB",
total_alloc / 1000,
total_used / 1000));
#endif
}
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