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/*
mpg321 - a fully free clone of mpg123.
scrobbler.c: Copyright (C) 2005-2006 Peter Pentchev
Copyright (C) 2010 Nanakos Chrysostomos
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <unistd.h>
#include <sys/mman.h>
#include <stdio.h>
#include <limits.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include "mpg321.h"
#define SCROBBLER_PLUGIN_NAME "321"
#define SCROBBLER_PLUGIN_VER "0.1"
#define SCROBBLER_HELPER_PATH "scrobbler-helper"
#define SCROBBLER_CUTOFF 240
#define SCROBBLER_LOW_CUTOFF 30
char *scrobbler_args[6] = {
"", "", "", "", "", "",
};
int scrobbler_time = -1;
static int scrobbler_track_length = -1;
static int scrobbler_verbose = 0;
void scrobbler_set_time(long seconds)
{
if (seconds < SCROBBLER_LOW_CUTOFF)
scrobbler_time = -1;
else if (seconds < 2 * SCROBBLER_CUTOFF)
scrobbler_time = seconds / 2;
else
scrobbler_time = SCROBBLER_CUTOFF;
scrobbler_track_length = seconds;
if (scrobbler_verbose || MPG321_USE_SCROBBLER)
fprintf(stderr, "AudioScrobbler report at %d sec\n", scrobbler_time);
}
void scrobbler_report(void)
{
char *args[] = {
SCROBBLER_HELPER_PATH,
"-P",
SCROBBLER_PLUGIN_NAME,
"-V",
SCROBBLER_PLUGIN_VER,
"--",
"", "", "", "", "", "",
"",
NULL
};
#define SARGS_SIZE (sizeof(args) / sizeof(args[0]))
#define SARGS_POS (SARGS_SIZE - (6 + 2))
char lengthbuf[20];
if (scrobbler_verbose) {
/*printf("Reporting to AudioScrobbler!\n");*/
args[1] = "-vP";
}
#ifdef __uClinux__
switch(vfork()) {
#else
switch(fork()) {
#endif
case -1:
/* Error */
mpg321_error("forking for the scrobbler helper");
break;
case 0:
/* Child: execute the scrobbler plug-in */
/* Do not close the AO fd*/
/* Merge the ID3 info with the scrobbler helper execv() args */
memcpy(args + SARGS_POS, scrobbler_args,
sizeof(scrobbler_args));
snprintf(lengthbuf, sizeof(lengthbuf),
"%d", scrobbler_track_length);
args[SARGS_SIZE - 2] = lengthbuf;
execvp(args[0], args);
mpg321_error("scrobbler helper " SCROBBLER_HELPER_PATH);
exit(1);
default:
/* Parent: nothing to do */
/* Continue playing the mp3 file or stream */
break;
}
}
void scrobbler_set_verbose(int v)
{
scrobbler_verbose = v;
}
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