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Location: cpp/openttd-patchpack/source/extmidi.c
r323:2b1540f2f472
1.8 KiB
text/x-c
(svn r360) Daily langfile update -- Added portuguese translation + danish fixes by Bjarni (100+2 / 1)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | #ifndef __BEOS__
#ifndef __MORPHOS__
#include "stdafx.h"
#include "ttd.h"
#include "hal.h"
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <signal.h>
#include <sys/stat.h>
#include <errno.h>
#ifndef EXTERNAL_PLAYER
#define EXTERNAL_PLAYER "/usr/bin/timidity"
#endif
static pid_t _pid;
static void extmidi_kill(void) {
if(_pid > 0) {
kill(_pid, SIGKILL);
while(waitpid(_pid, NULL, WNOHANG) != _pid);
}
_pid = 0;
}
static char *extmidi_start(char **parm) {
_pid = 0;
return NULL;
}
static void extmidi_stop(void) {
extmidi_kill();
}
static void extmidi_play_song(const char *filename) {
extmidi_kill();
_pid = fork();
if(_pid < 0) {
fprintf(stderr, "extmidi: couldn't fork: %s\n", strerror(errno));
_pid = 0;
return;
}
if(_pid == 0) {
#if defined(MIDI_ARG)
execl(EXTERNAL_PLAYER, "extmidi", MIDI_ARG, filename, NULL);
#else
execl(EXTERNAL_PLAYER, "extmidi", filename, NULL);
#endif
fprintf(stderr, "extmidi: couldn't execl: %s\n", strerror(errno));
exit(0);
}
usleep(500);
if(_pid == waitpid(_pid, NULL, WNOHANG)) {
fprintf(stderr, "extmidi: play song failed\n");
_pid = 0;
usleep(5000);
}
}
static void extmidi_stop_song(void) {
extmidi_kill();
}
static bool extmidi_is_playing(void) {
if(_pid == 0)
return 0;
if(waitpid(_pid, NULL, WNOHANG) == _pid) {
_pid = 0;
return 0;
}
return 1;
}
static void extmidi_set_volume(byte vol) {
fprintf(stderr, "extmidi: set volume not implemented\n");
}
const HalMusicDriver _extmidi_music_driver = {
extmidi_start,
extmidi_stop,
extmidi_play_song,
extmidi_stop_song,
extmidi_is_playing,
extmidi_set_volume,
};
#endif /* __MORPHOS__ */
#endif /* __BEOS__ */
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