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- #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 "../client/client.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;
- cvar_t *cd_volume;
- cvar_t *cd_nocd;
- cvar_t *cd_dev;
- void CDAudio_Pause(void);
- static void CDAudio_Eject(void)
- {
- if (cdfile == -1 || !enabled)
- return;
- if ( ioctl(cdfile, CDROMEJECT) == -1 )
- Com_DPrintf("ioctl cdromeject failed\n");
- }
- static void CDAudio_CloseDoor(void)
- {
- if (cdfile == -1 || !enabled)
- return;
- if ( ioctl(cdfile, CDROMCLOSETRAY) == -1 )
- Com_DPrintf("ioctl cdromclosetray failed\n");
- }
- static int CDAudio_GetAudioDiskInfo(void)
- {
- struct cdrom_tochdr tochdr;
- cdValid = false;
- if ( ioctl(cdfile, CDROMREADTOCHDR, &tochdr) == -1 )
- {
- Com_DPrintf("ioctl cdromreadtochdr failed\n");
- return -1;
- }
- if (tochdr.cdth_trk0 < 1)
- {
- Com_DPrintf("CDAudio: no music tracks\n");
- return -1;
- }
- cdValid = true;
- maxTrack = tochdr.cdth_trk1;
- return 0;
- }
- void CDAudio_Play(int 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)
- {
- Com_DPrintf("CDAudio: Bad track number %u.\n", track);
- return;
- }
-
- entry.cdte_track = track;
- entry.cdte_format = CDROM_MSF;
- if ( ioctl(cdfile, CDROMREADTOCENTRY, &entry) == -1 )
- {
- Com_DPrintf("ioctl cdromreadtocentry failed\n");
- return;
- }
- if (entry.cdte_ctrl == CDROM_DATA_TRACK)
- {
- Com_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 )
- {
- Com_DPrintf("ioctl cdromplaytrkind failed\n");
- return;
- }
- if ( ioctl(cdfile, CDROMRESUME) == -1 )
- Com_DPrintf("ioctl cdromresume failed\n");
- playLooping = looping;
- playTrack = track;
- playing = true;
- if (cd_volume->value == 0.0)
- CDAudio_Pause ();
- }
- void CDAudio_Stop(void)
- {
- if (cdfile == -1 || !enabled)
- return;
-
- if (!playing)
- return;
- if ( ioctl(cdfile, CDROMSTOP) == -1 )
- Com_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 )
- Com_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 )
- Com_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)
- Com_Printf(" %u -> %u\n", n, remap[n]);
- return;
- }
- for (n = 1; n <= ret; n++)
- remap[n] = atoi(Cmd_Argv (n+1));
- return;
- }
- if (Q_strcasecmp(command, "close") == 0)
- {
- CDAudio_CloseDoor();
- return;
- }
- if (!cdValid)
- {
- CDAudio_GetAudioDiskInfo();
- if (!cdValid)
- {
- Com_Printf("No CD in player.\n");
- return;
- }
- }
- if (Q_strcasecmp(command, "play") == 0)
- {
- CDAudio_Play((byte)atoi(Cmd_Argv (2)), false);
- return;
- }
- if (Q_strcasecmp(command, "loop") == 0)
- {
- CDAudio_Play((byte)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)
- {
- Com_Printf("%u tracks\n", maxTrack);
- if (playing)
- Com_Printf("Currently %s track %u\n", playLooping ? "looping" : "playing", playTrack);
- else if (wasPlaying)
- Com_Printf("Paused %s track %u\n", playLooping ? "looping" : "playing", playTrack);
- Com_Printf("Volume is %f\n", cdvolume);
- return;
- }
- }
- void CDAudio_Update(void)
- {
- struct cdrom_subchnl subchnl;
- static time_t lastchk;
- if (cdfile == -1 || !enabled)
- return;
- if (cd_volume && cd_volume->value != cdvolume)
- {
- if (cdvolume)
- {
- Cvar_SetValue ("cd_volume", 0.0);
- cdvolume = cd_volume->value;
- CDAudio_Pause ();
- }
- else
- {
- Cvar_SetValue ("cd_volume", 1.0);
- cdvolume = cd_volume->value;
- CDAudio_Resume ();
- }
- }
- if (playing && lastchk < time(NULL)) {
- lastchk = time(NULL) + 2;
- subchnl.cdsc_format = CDROM_MSF;
- if (ioctl(cdfile, CDROMSUBCHNL, &subchnl) == -1 ) {
- Com_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;
- cvar_t *cv;
- extern uid_t saved_euid;
- cv = Cvar_Get ("nocdaudio", "0", CVAR_NOSET);
- if (cv->value)
- return -1;
- cd_nocd = Cvar_Get ("cd_nocd", "0", CVAR_ARCHIVE );
- if ( cd_nocd->value)
- return -1;
- cd_volume = Cvar_Get ("cd_volume", "1", CVAR_ARCHIVE);
- cd_dev = Cvar_Get("cd_dev", "/dev/cdrom", CVAR_ARCHIVE);
- seteuid(saved_euid);
- cdfile = open(cd_dev->string, O_RDONLY);
- seteuid(getuid());
- if (cdfile == -1) {
- Com_Printf("CDAudio_Init: open of \"%s\" failed (%i)\n", cd_dev->string, errno);
- cdfile = -1;
- return -1;
- }
- for (i = 0; i < 100; i++)
- remap[i] = i;
- initialized = true;
- enabled = true;
- if (CDAudio_GetAudioDiskInfo())
- {
- Com_Printf("CDAudio_Init: No CD in player.\n");
- cdValid = false;
- }
- Cmd_AddCommand ("cd", CD_f);
- Com_Printf("CD Audio Initialized\n");
- return 0;
- }
- void CDAudio_Activate (qboolean active)
- {
- if (active)
- CDAudio_Resume ();
- else
- CDAudio_Pause ();
- }
- void CDAudio_Shutdown(void)
- {
- if (!initialized)
- return;
- CDAudio_Stop();
- close(cdfile);
- cdfile = -1;
- }
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