/* $Id$ */ #ifndef __MORPHOS__ #include "../stdafx.h" #include "../openttd.h" #include "../sound.h" #include "../string.h" #include "../variables.h" #include "extmidi.h" #include <fcntl.h> #include <sys/types.h> #include <sys/wait.h> #include <unistd.h> #include <signal.h> #include <sys/stat.h> #include <errno.h> static struct { char song[MAX_PATH]; pid_t pid; } _midi; static void DoPlay(void); static void DoStop(void); static const char* ExtMidiStart(const char* const * parm) { _midi.song[0] = '\0'; _midi.pid = -1; return NULL; } static void ExtMidiStop(void) { _midi.song[0] = '\0'; DoStop(); } static void ExtMidiPlaySong(const char* filename) { ttd_strlcpy(_midi.song, filename, lengthof(_midi.song)); DoStop(); } static void ExtMidiStopSong(void) { _midi.song[0] = '\0'; DoStop(); } static bool ExtMidiIsPlaying(void) { if (_midi.pid != -1 && waitpid(_midi.pid, NULL, WNOHANG) == _midi.pid) _midi.pid = -1; if (_midi.pid == -1 && _midi.song[0] != '\0') DoPlay(); return _midi.pid != -1; } static void ExtMidiSetVolume(byte vol) { fprintf(stderr, "extmidi: set volume not implemented\n"); } static void DoPlay(void) { _midi.pid = fork(); switch (_midi.pid) { case 0: { int d; close(0); d = open("/dev/null", O_RDONLY); if (d != -1 && dup2(d, 1) != -1 && dup2(d, 2) != -1) { #if defined(MIDI_ARG) execlp(msf.extmidi, "extmidi", MIDI_ARG, _midi.song, (char*)0); #else execlp(msf.extmidi, "extmidi", _midi.song, (char*)0); #endif } _exit(1); } case -1: fprintf(stderr, "extmidi: couldn't fork: %s\n", strerror(errno)); /* FALLTHROUGH */ default: _midi.song[0] = '\0'; break; } } static void DoStop(void) { if (_midi.pid != -1) kill(_midi.pid, SIGTERM); } const HalMusicDriver _extmidi_music_driver = { ExtMidiStart, ExtMidiStop, ExtMidiPlaySong, ExtMidiStopSong, ExtMidiIsPlaying, ExtMidiSetVolume, }; #endif /* __MORPHOS__ */