1 files changed, 416 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/cd_linux.c b/apps/plugins/sdl/progs/quake/cd_linux.c
new file mode 100644
index 0000000000..0e23d96035
--- /dev/null
+++ b/apps/plugins/sdl/progs/quake/cd_linux.c
@@ -0,0 +1,416 @@
+/*
+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 <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <string.h>
+#include <time.h>
+#include <errno.h>
+
+#include <linux/cdrom.h>
+
+#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;
+}