/* cd_sdl.c SDL CD audio routines 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: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ static const char rcsid[] = "$Id$"; #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_WINDOWS_H # include #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #include #include "QF/cdaudio.h" #include "QF/cmd.h" #include "QF/cvar.h" #include "QF/plugin.h" #include "QF/qargs.h" #include "QF/sound.h" #include "QF/sys.h" #include "compat.h" static plugin_t plugin_info; static plugin_data_t plugin_info_data; static plugin_funcs_t plugin_info_funcs; static general_data_t plugin_info_general_data; static general_funcs_t plugin_info_general_funcs; //static cd_data_t plugin_info_cd_data; static cd_funcs_t plugin_info_cd_funcs; static qboolean cdValid = false; static qboolean initialized = false; static qboolean enabled = true; static qboolean playLooping = false; static SDL_CD *cd_id; static float cdvolume = 1.0; static void I_CDAudio_Eject (void) { if (!cd_id || !enabled) return; if (SDL_CDEject (cd_id)) Sys_DPrintf ("Unable to eject CD-ROM tray.\n"); } static void I_CDAudio_Pause (void) { if (!cd_id || !enabled) return; if (SDL_CDStatus (cd_id) != CD_PLAYING) return; if (SDL_CDPause (cd_id)) Sys_DPrintf ("CDAudio_Pause: Failed to pause track.\n"); } static void I_CDAudio_Stop (void) { int cdstate; if (!cd_id || !enabled) return; cdstate = SDL_CDStatus (cd_id); if ((cdstate != CD_PLAYING) && (cdstate != CD_PAUSED)) return; if (SDL_CDStop (cd_id)) Sys_DPrintf ("CDAudio_Stop: Failed to stop track.\n"); } static void I_CDAudio_Play (byte track, qboolean looping) { /* Initialize cd_stat to avoid warning */ /* XXX - Does this default value make sense? */ CDstatus cd_stat = CD_ERROR; if (!cd_id || !enabled) return; if (!cdValid) { if (!CD_INDRIVE (cd_stat = SDL_CDStatus (cd_id)) || (!cd_id->numtracks)) return; cdValid = true; } if ((track < 1) || (track >= cd_id->numtracks)) { I_CDAudio_Stop (); return; } track--; // Convert track from person to SDL value if (cd_stat == CD_PLAYING) { if (cd_id->cur_track == track) return; I_CDAudio_Stop (); } if (SDL_CDPlay (cd_id, cd_id->track[track].offset, cd_id->track[track].length)) { Sys_DPrintf ("CDAudio_Play: Unable to play track: %d\n", track + 1); return; } playLooping = looping; } static void I_CDAudio_Resume (void) { if (!cd_id || !enabled) return; if (SDL_CDStatus (cd_id) != CD_PAUSED) return; if (SDL_CDResume (cd_id)) Sys_DPrintf ("CDAudio_Resume: Failed tp resume track.\n"); } static void I_CDAudio_Shutdown (void) { if (!cd_id) return; I_CDAudio_Stop (); SDL_CDClose (cd_id); cd_id = NULL; } static void I_CDAudio_Update (void) { if (!cd_id || !enabled) return; if (bgmvolume->value != cdvolume) { if (cdvolume) { Cvar_SetValue (bgmvolume, 0.0); CDAudio_Pause (); } else { Cvar_SetValue (bgmvolume, 1.0); CDAudio_Resume (); } cdvolume = bgmvolume->value; return; } if (playLooping && (SDL_CDStatus (cd_id) != CD_PLAYING) && (SDL_CDStatus (cd_id) != CD_PAUSED)) CDAudio_Play (cd_id->cur_track + 1, true); } #define CD_f_DEFINED static void I_CD_f (void) { const char *command; int cdstate; if (Cmd_Argc () < 2) return; command = Cmd_Argv (1); if (strequal (command, "on")) { enabled = true; } if (strequal (command, "off")) { if (!cd_id) return; cdstate = SDL_CDStatus (cd_id); if ((cdstate == CD_PLAYING) || (cdstate == CD_PAUSED)) I_CDAudio_Stop (); enabled = false; return; } if (strequal (command, "play")) { I_CDAudio_Play (atoi (Cmd_Argv (2)), false); return; } if (strequal (command, "loop")) { I_CDAudio_Play (atoi (Cmd_Argv (2)), true); return; } if (strequal (command, "stop")) { I_CDAudio_Stop (); return; } if (strequal (command, "pause")) { I_CDAudio_Pause (); return; } if (strequal (command, "resume")) { I_CDAudio_Resume (); return; } if (strequal (command, "eject")) { I_CDAudio_Eject (); return; } if (strequal (command, "info")) { if (!cd_id) return; cdstate = SDL_CDStatus (cd_id); Sys_Printf ("%d tracks\n", cd_id->numtracks); if (cdstate == CD_PLAYING) Sys_Printf ("Currently %s track %d\n", playLooping ? "looping" : "playing", cd_id->cur_track + 1); else if (cdstate == CD_PAUSED) Sys_Printf ("Paused %s track %d\n", playLooping ? "looping" : "playing", cd_id->cur_track + 1); return; } } static void I_CDAudio_Init (void) { if (SDL_Init (SDL_INIT_CDROM) < 0) { Sys_Printf ("Couldn't initialize SDL CD-AUDIO: %s\n", SDL_GetError ()); return; // was -1 } cd_id = SDL_CDOpen (0); if (!cd_id) { Sys_Printf ("CDAudio_Init: Unable to open default CD-ROM drive: %s\n", SDL_GetError ()); return; // was -1 } initialized = true; enabled = true; cdValid = true; if (!CD_INDRIVE (SDL_CDStatus (cd_id))) { Sys_Printf ("CDAudio_Init: No CD in drive.\n"); cdValid = false; } if (!cd_id->numtracks) { Sys_Printf ("CDAudio_Init: CD contains no audio tracks.\n"); cdValid = false; } Sys_Printf ("CD Audio Initialized.\n"); } QFPLUGIN plugin_t * cd_sdl_PluginInfo (void) { plugin_info.type = qfp_cd; plugin_info.api_version = QFPLUGIN_VERSION; plugin_info.plugin_version = "0.1"; plugin_info.description = "Linux CD Audio output" "Copyright (C) 2001 contributors of the QuakeForge project\n" "Please see the file \"AUTHORS\" for a list of contributors\n"; plugin_info.functions = &plugin_info_funcs; plugin_info.data = &plugin_info_data; plugin_info_data.general = &plugin_info_general_data; // plugin_info_data.cd = &plugin_info_cd_data; plugin_info_data.input = NULL; plugin_info_funcs.general = &plugin_info_general_funcs; plugin_info_funcs.cd = &plugin_info_cd_funcs; plugin_info_funcs.input = NULL; plugin_info_general_funcs.p_Init = I_CDAudio_Init; plugin_info_general_funcs.p_Shutdown = I_CDAudio_Shutdown; plugin_info_cd_funcs.pCDAudio_Pause = I_CDAudio_Pause; plugin_info_cd_funcs.pCDAudio_Play = I_CDAudio_Play; plugin_info_cd_funcs.pCDAudio_Resume = I_CDAudio_Resume; plugin_info_cd_funcs.pCDAudio_Update = I_CDAudio_Update; plugin_info_cd_funcs.pCD_f = I_CD_f; return &plugin_info; }