gambas-source-code/gb.sdl.sound/src/cdrom.c
Benoît Minisini dd3b512daf [CONFIGURATION]
* NEW: Update copyrights.


git-svn-id: svn://localhost/gambas/trunk@4384 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2011-12-31 02:39:20 +00:00

491 lines
9.6 KiB
C

/***************************************************************************
cdrom.c
(c) 2004,2005 Laurent Carlier <lordheavy@users.sourceforge.net>
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, 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#define __CDROM_C
#include "config.h"
#include "main.h"
#include "cdrom.h"
/* CDROM volume control */
#ifdef OS_LINUX
#include <sys/ioctl.h>
#include <fcntl.h>
#include <linux/cdrom.h>
#endif
#ifdef OS_FREEBSD /* Is this the good headers ? */
#include <sys/cdio.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#endif
#include <string.h>
#include "SDL.h"
/***************************************************************************
CDROMS - detect available CDROMs
***************************************************************************/
BEGIN_METHOD(CDROMS_get, GB_INTEGER index)
int numdrives = SDL_CDNumDrives();
if (numdrives==0)
{
GB.Error("no CDROM found !");
return;
}
if (VARG(index)>numdrives)
{
GB.Error("CDROM &1 not available !", VARG(index));
return;
}
GB.ReturnConstZeroString(SDL_CDName(VARG(index)-1));
END_METHOD
BEGIN_PROPERTY(CDROMS_count)
GB.ReturnInteger(SDL_CDNumDrives());
END_METHOD
/***************************************************************************
Track - managing a Track
***************************************************************************/
BEGIN_METHOD(TRACK_play, GB_INTEGER start; GB_INTEGER length)
int track = THIS->index;
int start = VARGOPT(start,0);
int length = VARGOPT(length,0);
if (CDROM->track[track-1].type!=SDL_AUDIO_TRACK)
return;
if ((track>CDROM->numtracks) || !track)
return;
if (start>((CDROM->track[track-1].length)/CD_FPS))
return;
if ((start+length)>((CDROM->track[track-1].length)/CD_FPS))
length = 0;
if (length==0)
{
if (SDL_CDPlayTracks(CDROM, track-1, start*CD_FPS, 1, 0)==-1)
GB.Error(SDL_GetError());
}
else
{
if (SDL_CDPlayTracks(CDROM, track-1, start*CD_FPS, 0, length*CD_FPS)==-1)
GB.Error(SDL_GetError());
}
END_METHOD
BEGIN_PROPERTY(TRACK_length)
if ((THIS->index>CDROM->numtracks) || (CDROM->track[(THIS->index)-1].type!=SDL_AUDIO_TRACK))
GB.ReturnInteger(0);
else
GB.ReturnInteger((CDROM->track[(THIS->index)-1].length)/CD_FPS);
END_PROPERTY
BEGIN_PROPERTY(TRACK_position)
if (CDROM->cur_track!=((THIS->index)-1))
GB.ReturnInteger(0);
else
GB.ReturnInteger((CDROM->cur_frame)/CD_FPS);
END_PROPERTY
BEGIN_PROPERTY(TRACK_playable)
if (THIS->index>CDROM->numtracks)
GB.ReturnBoolean(0);
if (CDROM->track[(THIS->index)-1].type==SDL_AUDIO_TRACK)
GB.ReturnBoolean(1);
else
GB.ReturnBoolean(0);
END_PROPERTY
/***************************************************************************
Tracks - managing the Tracks
***************************************************************************/
BEGIN_METHOD(TRACKS_get, GB_INTEGER index)
CDstatus status = SDL_CDStatus(CDROM);
long index = VARG(index);
if (!CD_INDRIVE(status))
{
GB.Error("CDROM not available !");
return;
}
THIS->index = index;
RETURN_SELF();
END_METHOD
BEGIN_PROPERTY(TRACKS_count)
SDL_CDStatus(CDROM);
GB.ReturnInteger(CDROM->numtracks);
END_PROPERTY
BEGIN_PROPERTY(TRACKS_current)
CDstatus status = SDL_CDStatus(CDROM);
if (!CD_INDRIVE(status))
GB.ReturnInteger(0);
else
GB.ReturnInteger(CDROM->cur_track+1);
END_PROPERTY
/***************************************************************************
CDrom - use a detected CDROM
***************************************************************************/
BEGIN_METHOD(CDROM_new, GB_INTEGER index)
int numdrives = SDL_CDNumDrives();
int index = VARGOPT(index, 0);
if (numdrives==0)
{
GB.Error("no CDROM found !");
return;
}
if (!MISSING(index))
{
CDROM = SDL_CDOpen(index);
THIS->id = index;
if (!CDROM)
GB.Error(SDL_GetError());
return;
}
else
{
CDROM = SDL_CDOpen(0);
THIS->id = 0;
if (!CDROM)
GB.Error(SDL_GetError());
return;
}
END_METHOD
BEGIN_METHOD_VOID(CDROM_free)
SDL_CDStop(CDROM);
SDL_CDClose(CDROM);
END_METHOD
BEGIN_METHOD_VOID(CDROM_eject)
if (SDL_CDEject(CDROM)==-1)
GB.Error(SDL_GetError());
END_METHOD
BEGIN_METHOD_VOID(CDROM_stop)
if (SDL_CDStop(CDROM)==-1)
GB.Error(SDL_GetError());
END_METHOD
BEGIN_METHOD_VOID(CDROM_pause)
if (SDL_CDPause(CDROM)==-1)
GB.Error(SDL_GetError());
END_METHOD
BEGIN_METHOD_VOID(CDROM_resume)
if (SDL_CDResume(CDROM)==-1)
GB.Error(SDL_GetError());
END_METHOD
BEGIN_METHOD(CDROM_play, GB_INTEGER start; GB_INTEGER tracks)
CDstatus status = SDL_CDStatus(CDROM);
int start = VARGOPT(start,1);
int tracks = VARGOPT(tracks,0);
if (status == CD_ERROR)
GB.Error(SDL_GetError());
if (!CD_INDRIVE(status))
return;
if (start>CDROM->numtracks)
return;
if ((start+(tracks-1))>CDROM->numtracks)
tracks = (CDROM->numtracks)-start;
if (SDL_CDPlayTracks(CDROM, start-1, 0, tracks, 0)==-1)
GB.Error(SDL_GetError());
END_METHOD
BEGIN_PROPERTY(CDROM_ready)
CDstatus status = SDL_CDStatus(CDROM);
GB.ReturnBoolean(CD_INDRIVE(status));
END_PROPERTY
BEGIN_PROPERTY(CDROM_paused)
CDstatus status = SDL_CDStatus(CDROM);
if (status == CD_ERROR)
GB.Error(SDL_GetError());
GB.ReturnBoolean(status == CD_PAUSED);
END_PROPERTY
BEGIN_PROPERTY(CDROM_playing)
CDstatus status = SDL_CDStatus(CDROM);
GB.ReturnBoolean(status == CD_PLAYING);
END_PROPERTY
BEGIN_PROPERTY(CDROM_stopped)
CDstatus status = SDL_CDStatus(CDROM);
GB.ReturnBoolean(status == CD_STOPPED);
END_PROPERTY
BEGIN_PROPERTY(CDROM_length)
CDstatus status = SDL_CDStatus(CDROM);
int i, length = 0;
if (!CD_INDRIVE(status))
{
GB.ReturnInteger(0);
}
else
{
for (i=0;i<((CDROM->numtracks)-1);i++)
{
if (CDROM->track[i].type==SDL_AUDIO_TRACK)
length = length + (CDROM->track[i].length);
}
GB.ReturnInteger(length/CD_FPS);
}
END_PROPERTY
BEGIN_PROPERTY(CDROM_position)
CDstatus status = SDL_CDStatus(CDROM);
int i, length =0;
if (!CD_INDRIVE(status))
GB.ReturnInteger(0);
else
{
for (i=0;i<(CDROM->cur_track);i++)
{
if (CDROM->track[i].type==SDL_AUDIO_TRACK)
length = length + (CDROM->track[i].length);
}
GB.ReturnInteger(((CDROM->cur_frame)+length)/CD_FPS);
}
END_PROPERTY
BEGIN_PROPERTY(CDROM_volume)
#ifdef OS_LINUX
struct cdrom_volctrl vol;
if (READ_PROPERTY)
{
ioctl(CDROM->id, CDROMVOLREAD, (void *) &vol);
GB.ReturnInteger(vol.channel0);
}
else
{
int volume = VPROP(GB_INTEGER);
if (volume<0)
volume = 0;
if (volume>255)
volume = 255;
vol.channel0 = volume;
vol.channel1 = volume;
ioctl(CDROM->id, CDROMVOLCTRL,(void *) &vol);
}
#endif
#ifdef OS_FREEBSD
struct ioc_vol vol;
if (READ_PROPERTY)
{
ioctl(CDROM->id, CDIOCGETVOL, &vol);
GB.ReturnInteger(vol.vol[0]);
}
else
{
int volume = VPROP(GB_INTEGER);
if (volume <0)
volume = 0;
if (volume>255)
volume = 255;
vol.vol[0] = volume;
vol.vol[1] = volume;
vol.vol[2] = 0;
vol.vol[3] = 0;
ioctl(CDROM->id, CDIOCSETVOL, &vol);
}
#endif
#if !defined(OS_LINUX) && !defined(OS_FREEBSD)
if (!READ_PROPERTY)
GB.ReturnInteger(0);
#endif
END_PROPERTY
/**************************************************************************/
GB_DESC Cquerycdrom[] =
{
GB_DECLARE("CDRoms", 0), GB_VIRTUAL_CLASS(),
GB_STATIC_METHOD("_get", "s", CDROMS_get, "(Index)i"),
GB_STATIC_PROPERTY_READ("Count", "i", CDROMS_count),
GB_END_DECLARE
};
GB_DESC Ctrack[] =
{
GB_DECLARE(".Track",0), GB_VIRTUAL_CLASS(),
GB_METHOD("Play", NULL, TRACK_play, "[(Start)i(Length)i]"),
GB_PROPERTY_READ("Length", "i", TRACK_length),
GB_PROPERTY_READ("Position", "i", TRACK_position),
GB_PROPERTY_READ("Playable", "b", TRACK_playable),
GB_END_DECLARE
};
GB_DESC Ctracks[] =
{
GB_DECLARE(".Tracks",0), GB_VIRTUAL_CLASS(),
GB_METHOD("_get", ".Track", TRACKS_get, "(Index)i"),
GB_PROPERTY_READ("Count", "i", TRACKS_count),
GB_PROPERTY_READ("Current", "i", TRACKS_current),
GB_END_DECLARE
};
GB_DESC Ccdrom[] =
{
GB_DECLARE("CDRom", sizeof(CCDROM)),
GB_METHOD("_new", NULL, CDROM_new, "[(Index)i]"),
GB_METHOD("_free", NULL, CDROM_free, NULL),
/* cdrom commands */
GB_METHOD("Eject", NULL, CDROM_eject, NULL),
GB_METHOD("Stop", NULL, CDROM_stop, NULL),
GB_METHOD("Pause", NULL, CDROM_pause, NULL),
GB_METHOD("Resume", NULL, CDROM_resume, NULL),
GB_METHOD("Play", NULL, CDROM_play, "[(StartTrack)i(NbrTracks)i]"),
/* cdrom status */
GB_PROPERTY_READ("Ready", "b", CDROM_ready),
GB_PROPERTY_READ("Paused", "b", CDROM_paused),
GB_PROPERTY_READ("Playing", "b", CDROM_playing),
GB_PROPERTY_READ("Stopped", "b", CDROM_stopped),
GB_PROPERTY_READ("Length", "i", CDROM_length),
GB_PROPERTY_READ("Position", "i", CDROM_position),
GB_PROPERTY("Volume", "i", CDROM_volume),
/* Track management */
GB_PROPERTY_SELF("Tracks", ".Tracks"),
GB_END_DECLARE
};