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rubidium

(svn r16583) -Update: the order of the language files so it's in sync with english.txt. Normally WT2 would do this, but only with activity for those languages. Now we'd like to the order to match so we can more easily spot import bugs while developing WT3.

/* $Id$ */

/** @file extmidi.cpp Playing music via an external player. */

#ifndef __MORPHOS__
#include "../stdafx.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>

#ifndef EXTERNAL_PLAYER
#define EXTERNAL_PLAYER "timidity"
#endif

static FMusicDriver_ExtMidi iFMusicDriver_ExtMidi;

const char *MusicDriver_ExtMidi::Start(const char * const * parm)
{
	const char *command = GetDriverParam(parm, "cmd");
	if (StrEmpty(command)) command = EXTERNAL_PLAYER;

	this->command = strdup(command);
	this->song[0] = '\0';
	this->pid = -1;
	return NULL;
}

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

void MusicDriver_ExtMidi::PlaySong(const char *filename)
{
	strecpy(this->song, filename, lastof(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: {
			close(0);
			int d = open("/dev/null", O_RDONLY);
			if (d != -1 && dup2(d, 1) != -1 && dup2(d, 2) != -1) {
				#if defined(MIDI_ARG)
					execlp(this->command, "extmidi", MIDI_ARG, this->song, (char*)0);
				#else
					execlp(this->command, "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__ */