284 lines
4.6 KiB
C
284 lines
4.6 KiB
C
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/*
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Copyright (C) 2004 Andreas Kirsch (used cd_null.c as template)
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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#include "cdaudio.h"
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#if SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION == 2
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// SDL 1.2 has CD audio
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#include <SDL.h>
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#include <time.h>
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// If one of the functions fails, it returns -1, if not 0
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// SDL supports multiple cd devices - so we are going to support this, too.
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static void CDAudio_SDL_CDDrive_f( void );
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// we only support playing one CD at a time
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static SDL_CD *cd;
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static int ValidateDrive( void )
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{
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if( cd && SDL_CDStatus( cd ) > 0 )
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return cdValid = true;
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return cdValid = false;
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}
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void CDAudio_SysEject (void)
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{
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SDL_CDEject( cd );
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}
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void CDAudio_SysCloseDoor (void)
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{
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//NO SDL FUNCTION
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}
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int CDAudio_SysGetAudioDiskInfo (void)
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{
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if( ValidateDrive() ) // everything > 0 is ok, 0 is trayempty and -1 is error
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return cd->numtracks;
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return -1;
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}
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float CDAudio_SysGetVolume (void)
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{
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return -1.0f;
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}
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void CDAudio_SysSetVolume (float volume)
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{
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//NO SDL FUNCTION
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}
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int CDAudio_SysPlay (int track)
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{
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return SDL_CDPlayTracks(cd, track-1, 0, 1, 0);
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}
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int CDAudio_SysStop (void)
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{
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return SDL_CDStop( cd );
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}
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int CDAudio_SysPause (void)
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{
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return SDL_CDPause( cd );
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}
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int CDAudio_SysResume (void)
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{
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return SDL_CDResume( cd );
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}
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int CDAudio_SysUpdate (void)
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{
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static time_t lastchk = 0;
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if (cdPlaying && lastchk < time(NULL))
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{
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lastchk = time(NULL) + 2; //two seconds between chks
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if( !cd || cd->status <= 0 ) {
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cdValid = false;
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return -1;
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}
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if (SDL_CDStatus( cd ) == CD_STOPPED)
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{
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if( cdPlayLooping )
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CDAudio_SysPlay( cdPlayTrack );
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else
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cdPlaying = false;
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}
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}
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return 0;
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}
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void CDAudio_SysInit (void)
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{
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if( SDL_InitSubSystem( SDL_INIT_CDROM ) == -1 )
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Con_Print( "Failed to init the CDROM SDL subsystem!\n" );
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Cmd_AddCommand( "cddrive", CDAudio_SDL_CDDrive_f, "select an SDL-detected CD drive by number" );
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}
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static int IsAudioCD( void )
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{
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int i;
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for( i = 0 ; i < cd->numtracks ; i++ )
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if( cd->track[ i ].type == SDL_AUDIO_TRACK )
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return true;
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return false;
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}
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int CDAudio_SysStartup (void)
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{
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int i;
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int numdrives;
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numdrives = SDL_CDNumDrives();
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if( numdrives == -1 ) // was the CDROM system initialized correctly?
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return -1;
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Con_Printf( "Found %i cdrom drives.\n", numdrives );
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for( i = 0 ; i < numdrives ; i++, cd = NULL ) {
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cd = SDL_CDOpen( i );
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if( !cd ) {
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Con_Printf( "CD drive %i is invalid.\n", i );
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continue;
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}
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if( CD_INDRIVE( SDL_CDStatus( cd ) ) )
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if( IsAudioCD() )
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break;
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else
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Con_Printf( "The CD in drive %i is not an audio cd.\n", i );
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else
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Con_Printf( "No CD in drive %i.\n", i );
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SDL_CDClose( cd );
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}
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if( i == numdrives && !cd )
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return -1;
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return 0;
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}
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void CDAudio_SysShutdown (void)
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{
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if( cd )
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SDL_CDClose( cd );
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}
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void CDAudio_SDL_CDDrive_f( void )
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{
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int i;
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int numdrives = SDL_CDNumDrives();
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if( Cmd_Argc() != 2 ) {
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Con_Print( "cddrive <drivenr>\n" );
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return;
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}
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i = atoi( Cmd_Argv( 1 ) );
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if( i >= numdrives ) {
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Con_Printf("Only %i drives!\n", numdrives );
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return;
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}
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if( cd )
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SDL_CDClose( cd );
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cd = SDL_CDOpen( i );
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if( !cd ) {
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Con_Printf( "Couldn't open drive %i.\n", i );
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return;
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}
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if( !CD_INDRIVE( SDL_CDStatus( cd ) ) )
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Con_Printf( "No cd in drive %i.\n", i );
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else if( !IsAudioCD() )
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Con_Printf( "The CD in drive %i is not an audio CD.\n", i );
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ValidateDrive();
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}
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#else
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// SDL 1.3 does not have CD audio
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void CDAudio_SysEject (void)
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{
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}
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void CDAudio_SysCloseDoor (void)
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{
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}
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int CDAudio_SysGetAudioDiskInfo (void)
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{
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return -1;
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}
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float CDAudio_SysGetVolume (void)
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{
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return -1.0f;
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}
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void CDAudio_SysSetVolume (float volume)
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{
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}
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int CDAudio_SysPlay (int track)
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{
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return -1;
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}
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int CDAudio_SysStop (void)
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{
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return -1;
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}
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int CDAudio_SysPause (void)
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{
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return -1;
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}
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int CDAudio_SysResume (void)
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{
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return -1;
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}
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int CDAudio_SysUpdate (void)
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{
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return -1;
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}
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void CDAudio_SysInit (void)
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{
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}
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int CDAudio_SysStartup (void)
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{
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return -1;
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}
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void CDAudio_SysShutdown (void)
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{
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}
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#endif
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