ref: aff29f25c0e72554e533162fc4d2ba69a8009fdb
dir: /QW/client/cd_linux.c/
/* 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 included (GNU.txt) 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 0 if (cls.state == ca_dedicated) return -1; #endif 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; }