1

#ifndef __BEOS__

     2

#ifndef __MORPHOS__

     3

#include "stdafx.h"

     4

     5

#include "openttd.h"

     6

#include "hal.h"

     7

#include "sound.h"

     8

#include "string.h"

     9

#include <fcntl.h>

    10

#include <sys/types.h>

    11

#include <sys/wait.h>

    12

#include <unistd.h>

    13

#include <signal.h>

    14

#include <sys/stat.h>

    15

#include <errno.h>

    16

    17

static struct {

    18

	char song[MAX_PATH];

    19

	int pid;

    20

} _midi;

    21

    22

static void DoPlay(void);

    23

static void DoStop(void);

    24

    25

static const char* ExtMidiStart(const char* const * parm)

    26

{

    27

	_midi.song[0] = '\0';

    28

	_midi.pid = -1;

    29

	return NULL;

    30

}

    31

    32

static void ExtMidiStop(void)

    33

{

    34

	_midi.song[0] = '\0';

    35

	DoStop();

    36

}

    37

    38

static void ExtMidiPlaySong(const char* filename)

    39

{

    40

	ttd_strlcpy(_midi.song, filename, lengthof(_midi.song));

    41

	DoStop();

    42

}

    43

    44

static void ExtMidiStopSong(void)

    45

{

    46

	_midi.song[0] = '\0';

    47

	DoStop();

    48

}

    49

    50

static bool ExtMidiIsPlaying(void)

    51

{

    52

	if (_midi.pid != -1 && waitpid(_midi.pid, NULL, WNOHANG) == _midi.pid)

    53

		_midi.pid = -1;

    54

	if (_midi.pid == -1 && _midi.song[0] != '\0') DoPlay();

    55

	return _midi.pid != -1;

    56

}

    57

    58

static void ExtMidiSetVolume(byte vol)

    59

{

    60

	fprintf(stderr, "extmidi: set volume not implemented\n");

    61

}

    62

    63

static void DoPlay(void)

    64

{

    65

	_midi.pid = fork();

    66

	switch (_midi.pid) {

    67

		case 0: {

    68

			int d;

    69

    70

			close(0);

    71

			close(1);

    72

			close(2);

    73

			d = open("/dev/null", O_RDONLY);

    74

			if (d != -1) {

    75

				if (dup2(d, 1) != -1 && dup2(d, 2) != -1) {

    76

					#if defined(MIDI_ARG)

    77

						execlp(msf.extmidi, "extmidi", MIDI_ARG, _midi.song, NULL);

    78

					#else

    79

						execlp(msf.extmidi, "extmidi", _midi.song, NULL);

    80

					#endif

    81

				}

    82

			}

    83

			exit(1);

    84

		}

    85

    86

		case -1:

    87

			fprintf(stderr, "extmidi: couldn't fork: %s\n", strerror(errno));

    88

			/* FALLTHROUGH */

    89

    90

		default:

    91

			_midi.song[0] = '\0';

    92

			break;

    93

	}

    94

}

    95

    96

static void DoStop(void)

    97

{

    98

	if (_midi.pid != -1) kill(_midi.pid, SIGTERM);

    99

}

   100

   101

const HalMusicDriver _extmidi_music_driver = {

   102

	ExtMidiStart,

   103

	ExtMidiStop,

   104

	ExtMidiPlaySong,

   105

	ExtMidiStopSong,

   106

	ExtMidiIsPlaying,

   107

	ExtMidiSetVolume,

   108

};

   109

   110

#endif /* __MORPHOS__ */

   111

#endif /* __BEOS__ */