Subversion Repositories Kolibri OS

/*

Copyright (C) 1996-1997 Id Software, Inc.

This program is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public License

as published by the Free Software Foundation; either version 2

of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

// Quake is a trademark of Id Software, Inc., (c) 1996 Id Software, Inc. All

// rights reserved.

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include "quakedef.h"

static qboolean cdValid = false;

static qboolean	playing = false;

static qboolean	wasPlaying = false;

static qboolean	initialized = false;

static qboolean	enabled = true;

static qboolean playLooping = false;

static float	cdvolume;

static byte 	remap[100];

static byte		playTrack;

static byte		maxTrack;

static int cdfile = -1;

static char cd_dev[64] = "/dev/cdrom";

static void CDAudio_Eject(void)

{

	if (cdfile == -1 || !enabled)

		return; // no cd init'd

	if ( ioctl(cdfile, CDROMEJECT) == -1 )

		Con_DPrintf("ioctl cdromeject failed\n");

}

static void CDAudio_CloseDoor(void)

{

	if (cdfile == -1 || !enabled)

		return; // no cd init'd

	if ( ioctl(cdfile, CDROMCLOSETRAY) == -1 )

		Con_DPrintf("ioctl cdromclosetray failed\n");

}

static int CDAudio_GetAudioDiskInfo(void)

{

	struct cdrom_tochdr tochdr;

	cdValid = false;

	if ( ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1 )

    {

      Con_DPrintf("ioctl cdromreadtochdr failed\n");

	  return -1;

    }

	if (tochdr.cdth_trk0 < 1)

	{

		Con_DPrintf("CDAudio: no music tracks\n");

		return -1;

	}

	cdValid = true;

	maxTrack = tochdr.cdth_trk1;

	return 0;

}

void CDAudio_Play(byte track, qboolean looping)

{

	struct cdrom_tocentry entry;

	struct cdrom_ti ti;

	if (cdfile == -1 || !enabled)

		return;

	if (!cdValid)

	{

		CDAudio_GetAudioDiskInfo();

		if (!cdValid)

			return;

	}

	track = remap[track];

	if (track < 1 || track > maxTrack)

	{

		Con_DPrintf("CDAudio: Bad track number %u.\n", track);

		return;

	}

	// don't try to play a non-audio track

	entry.cdte_track = track;

	entry.cdte_format = CDROM_MSF;

    if ( ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1 )

	{

		Con_DPrintf("ioctl cdromreadtocentry failed\n");

		return;

	}

	if (entry.cdte_ctrl == CDROM_DATA_TRACK)

	{

		Con_Printf("CDAudio: track %i is not audio\n", track);

		return;

	}

	if (playing)

	{

		if (playTrack == track)

			return;

		CDAudio_Stop();

	}

	ti.cdti_trk0 = track;

	ti.cdti_trk1 = track;

	ti.cdti_ind0 = 1;

	ti.cdti_ind1 = 99;

	if ( ioctl(cdfile, CDROMPLAYTRKIND, &ti) == -1 )

    {

		Con_DPrintf("ioctl cdromplaytrkind failed\n");

		return;

    }

	if ( ioctl(cdfile, CDROMRESUME) == -1 )

		Con_DPrintf("ioctl cdromresume failed\n");

	playLooping = looping;

	playTrack = track;

	playing = true;

	if (cdvolume == 0.0)

		CDAudio_Pause ();

}

void CDAudio_Stop(void)

{

	if (cdfile == -1 || !enabled)

		return;

	if (!playing)

		return;

	if ( ioctl(cdfile, CDROMSTOP) == -1 )

		Con_DPrintf("ioctl cdromstop failed (%d)\n", errno);

	wasPlaying = false;

	playing = false;

}

void CDAudio_Pause(void)

{

	if (cdfile == -1 || !enabled)

		return;

	if (!playing)

		return;

	if ( ioctl(cdfile, CDROMPAUSE) == -1 )

		Con_DPrintf("ioctl cdrompause failed\n");

	wasPlaying = playing;

	playing = false;

}

void CDAudio_Resume(void)

{

	if (cdfile == -1 || !enabled)

		return;

	if (!cdValid)

		return;

	if (!wasPlaying)

		return;

	if ( ioctl(cdfile, CDROMRESUME) == -1 )

		Con_DPrintf("ioctl cdromresume failed\n");

	playing = true;

}

static void CD_f (void)

{

	char	*command;

	int		ret;

	int		n;

	if (Cmd_Argc() < 2)

		return;

	command = Cmd_Argv (1);

	if (Q_strcasecmp(command, "on") == 0)

	{

		enabled = true;

		return;

	}

	if (Q_strcasecmp(command, "off") == 0)

	{

		if (playing)

			CDAudio_Stop();

		enabled = false;

		return;

	}

	if (Q_strcasecmp(command, "reset") == 0)

	{

		enabled = true;

		if (playing)

			CDAudio_Stop();

		for (n = 0; n < 100; n++)

			remap[n] = n;

		CDAudio_GetAudioDiskInfo();

		return;

	}

	if (Q_strcasecmp(command, "remap") == 0)

	{

		ret = Cmd_Argc() - 2;

		if (ret <= 0)

		{

			for (n = 1; n < 100; n++)

				if (remap[n] != n)

					Con_Printf("  %u -> %u\n", n, remap[n]);

			return;

		}

		for (n = 1; n <= ret; n++)

			remap[n] = Q_atoi(Cmd_Argv (n+1));

		return;

	}

	if (Q_strcasecmp(command, "close") == 0)

	{

		CDAudio_CloseDoor();

		return;

	}

	if (!cdValid)

	{

		CDAudio_GetAudioDiskInfo();

		if (!cdValid)

		{

			Con_Printf("No CD in player.\n");

			return;

		}

	}

	if (Q_strcasecmp(command, "play") == 0)

	{

		CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), false);

		return;

	}

	if (Q_strcasecmp(command, "loop") == 0)

	{

		CDAudio_Play((byte)Q_atoi(Cmd_Argv (2)), true);

		return;

	}

	if (Q_strcasecmp(command, "stop") == 0)

	{

		CDAudio_Stop();

		return;

	}

	if (Q_strcasecmp(command, "pause") == 0)

	{

		CDAudio_Pause();

		return;

	}

	if (Q_strcasecmp(command, "resume") == 0)

	{

		CDAudio_Resume();

		return;

	}

	if (Q_strcasecmp(command, "eject") == 0)

	{

		if (playing)

			CDAudio_Stop();

		CDAudio_Eject();

		cdValid = false;

		return;

	}

	if (Q_strcasecmp(command, "info") == 0)

	{

		Con_Printf("%u tracks\n", maxTrack);

		if (playing)

			Con_Printf("Currently %s track %u\n", playLooping ? "looping" : "playing", playTrack);

		else if (wasPlaying)

			Con_Printf("Paused %s track %u\n", playLooping ? "looping" : "playing", playTrack);

		Con_Printf("Volume is %f\n", cdvolume);

		return;

	}

}

void CDAudio_Update(void)

{

	struct cdrom_subchnl subchnl;

	static time_t lastchk;

	if (!enabled)

		return;

	if (bgmvolume.value != cdvolume)

	{

		if (cdvolume)

		{

			Cvar_SetValue ("bgmvolume", 0.0);

			cdvolume = bgmvolume.value;

			CDAudio_Pause ();

		}

		else

		{

			Cvar_SetValue ("bgmvolume", 1.0);

			cdvolume = bgmvolume.value;

			CDAudio_Resume ();

		}

	}

	if (playing && lastchk < time(NULL)) {

		lastchk = time(NULL) + 2; //two seconds between chks

		subchnl.cdsc_format = CDROM_MSF;

		if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1 ) {

			Con_DPrintf("ioctl cdromsubchnl failed\n");

			playing = false;

			return;

		}

		if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&

			subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED) {

			playing = false;

			if (playLooping)

				CDAudio_Play(playTrack, true);

		}

	}

}

int CDAudio_Init(void)

{

	int i;

	if (cls.state == ca_dedicated)

		return -1;

	if (COM_CheckParm("-nocdaudio"))

		return -1;

	if ((i = COM_CheckParm("-cddev")) != 0 && i < com_argc - 1) {

		strncpy(cd_dev, com_argv[i + 1], sizeof(cd_dev));

		cd_dev[sizeof(cd_dev) - 1] = 0;

	}

	if ((cdfile = open(cd_dev, O_RDONLY)) == -1) {

		Con_Printf("CDAudio_Init: open of \"%s\" failed (%i)\n", cd_dev, errno);

		cdfile = -1;

		return -1;

	}

	for (i = 0; i < 100; i++)

		remap[i] = i;

	initialized = true;

	enabled = true;

	if (CDAudio_GetAudioDiskInfo())

	{

		Con_Printf("CDAudio_Init: No CD in player.\n");

		cdValid = false;

	}

	Cmd_AddCommand ("cd", CD_f);

	Con_Printf("CD Audio Initialized\n");

	return 0;

}

void CDAudio_Shutdown(void)

{

	if (!initialized)

		return;

	CDAudio_Stop();

	close(cdfile);

	cdfile = -1;

}