104 lines
1.8 KiB
C
104 lines
1.8 KiB
C
#ifndef __BEOS__
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#ifndef __MORPHOS__
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#include "stdafx.h"
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#include "ttd.h"
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#include "hal.h"
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <signal.h>
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#include <sys/stat.h>
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#include <errno.h>
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#ifndef EXTERNAL_PLAYER
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#define EXTERNAL_PLAYER "/usr/bin/timidity"
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#endif
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static pid_t _pid;
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static void extmidi_kill(void) {
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if(_pid > 0) {
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kill(_pid, SIGKILL);
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while(waitpid(_pid, NULL, WNOHANG) != _pid);
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}
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_pid = 0;
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}
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static char *extmidi_start(char **parm) {
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_pid = 0;
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return NULL;
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}
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static void extmidi_stop(void) {
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extmidi_kill();
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}
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static void extmidi_play_song(const char *filename) {
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extmidi_kill();
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_pid = fork();
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if(_pid < 0) {
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fprintf(stderr, "extmidi: couldn't fork: %s\n", strerror(errno));
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_pid = 0;
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return;
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}
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if(_pid == 0) {
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#if defined(MIDI_ARG)
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execl(EXTERNAL_PLAYER, "extmidi", MIDI_ARG, filename, NULL);
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#else
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execl(EXTERNAL_PLAYER, "extmidi", filename, NULL);
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#endif
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fprintf(stderr, "extmidi: couldn't execl: %s\n", strerror(errno));
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exit(0);
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}
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usleep(500);
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if(_pid == waitpid(_pid, NULL, WNOHANG)) {
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fprintf(stderr, "extmidi: play song failed\n");
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_pid = 0;
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usleep(5000);
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}
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}
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static void extmidi_stop_song(void) {
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extmidi_kill();
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}
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static bool extmidi_is_playing(void) {
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if(_pid == 0)
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return 0;
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if(waitpid(_pid, NULL, WNOHANG) == _pid) {
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_pid = 0;
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return 0;
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}
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return 1;
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}
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static void extmidi_set_volume(byte vol) {
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fprintf(stderr, "extmidi: set volume not implemented\n");
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}
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const HalMusicDriver _extmidi_music_driver = {
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extmidi_start,
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extmidi_stop,
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extmidi_play_song,
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extmidi_stop_song,
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extmidi_is_playing,
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extmidi_set_volume,
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};
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#endif /* __MORPHOS__ */
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#endif /* __BEOS__ */
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