cpp/openttd-patchpack/source Files · src/music/extmidi.cpp

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Location: cpp/openttd-patchpack/source/src/music/extmidi.cpp

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miham

(svn r11123) -Update: WebTranslator2 update to 2007-09-17 12:45:29
afrikaans - 47 fixed, 52 changed by TrueTenacity (99)
brazilian_portuguese - 23 changed by fukumori (23)
bulgarian - 14 fixed by thetitan (14)
catalan - 3 changed by arnaullv (3)
croatian - 6 fixed, 12 changed by knovak (15), tperic (3)
danish - 20 fixed by ThomasA (20)
finnish - 20 fixed by habazi (20)
german - 10 fixed by Timwi (10)
hungarian - 1 fixed by miham (1)
italian - 1 fixed by lorenzodv (1)
japanese - 6 fixed by ickoonite (6)
norwegian_nynorsk - 6 fixed by pollux (6)
piglatin - 20 fixed by adammw (20)
russian - 20 fixed by Smoky555 (20)
slovak - 1 fixed by lengyel (1)
slovenian - 7 fixed by Necrolyte (7)
spanish - 1 changed by Cabu (1)
traditional_chinese - 21 fixed by xbddc (21)

/* $Id$ */

#ifndef __MORPHOS__
#include "../stdafx.h"
#include "../openttd.h"
#include "../sound.h"
#include "../string.h"
#include "../variables.h"
#include "../debug.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 FMusicDriver_ExtMidi iFMusicDriver_ExtMidi;

const char* MusicDriver_ExtMidi::Start(const char* const * parm)
{
	this->song[0] = '\0';
	this->pid = -1;
	return NULL;
}

void MusicDriver_ExtMidi::Stop()
{
	this->song[0] = '\0';
	this->DoStop();
}

void MusicDriver_ExtMidi::PlaySong(const char* filename)
{
	ttd_strlcpy(this->song, filename, lengthof(this->song));
	this->DoStop();
}

void MusicDriver_ExtMidi::StopSong()
{
	this->song[0] = '\0';
	this->DoStop();
}

bool MusicDriver_ExtMidi::IsSongPlaying()
{
	if (this->pid != -1 && waitpid(this->pid, NULL, WNOHANG) == this->pid)
		this->pid = -1;
	if (this->pid == -1 && this->song[0] != '\0') this->DoPlay();
	return this->pid != -1;
}

void MusicDriver_ExtMidi::SetVolume(byte vol)
{
	DEBUG(driver, 1, "extmidi: set volume not implemented");
}

void MusicDriver_ExtMidi::DoPlay()
{
	this->pid = fork();
	switch (this->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, this->song, (char*)0);
				#else
					execlp(msf.extmidi, "extmidi", this->song, (char*)0);
				#endif
			}
			_exit(1);
		}

		case -1:
			DEBUG(driver, 0, "extmidi: couldn't fork: %s", strerror(errno));
			/* FALLTHROUGH */

		default:
			this->song[0] = '\0';
			break;
	}
}

void MusicDriver_ExtMidi::DoStop()
{
	if (this->pid != -1) kill(this->pid, SIGTERM);
}

#endif /* __MORPHOS__ */