/* xmms_cd.c XMMS Player support, disguised as a cdrom. Copyright (C) 2001 Alexis Paul Musgrave Author: Alexis Paul Musgrave Date: 2001/09/28 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_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_IOCTL_H # include #endif #ifdef HAVE_SIGNAL_H # include #endif #include #include #include #include #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 char *xmms_cmd = "xmms"; static char *xmms_args[] = {"xmms", 0}; // Session number, gets set to 0 in I_XMMS_Init if not set static int sessionNo; // don't need either of these now //static int xmmsPid = '0'; //static int sigNo = '2'; static qboolean playing = false; // no idea why I have wasPlaying, prolly cos this code was based on // cd_linux.c :/ static qboolean wasPlaying = false; static qboolean musEnabled = true; static void I_XMMS_Running(void); static void I_XMMS_Stop(void); static void I_XMMS_Play(int, qboolean); static void I_XMMS_Pause(void); static void I_XMMS_Resume(void); static void I_XMMS_Next(void); static void I_XMMS_Prev(void); static void I_XMMS_Update(void); static void XMMS_SessionChg(cvar_t *); static void I_XMMS_Init(void); static void I_XMMS_Shutdown(void); static void I_XMMS_Kill(void); static void I_XMMS_On(void); static void I_XMMS_Off(void); static void I_XMMS_Shuffle(void); static void I_XMMS_Repeat(void); static void I_XMMS_Pos(int); static void I_XMMS_Info(void); static void I_XMMS_f(void); QFPLUGIN plugin_t *cd_xmms_PluginInfo (void); /* static float cdvolume; */ /* static byte remap[100]; */ /* static byte playTrack; */ /* static byte maxTrack; */ // FIXME: All of this code assumes that the xmms_remote_* functions succeed // FIXME: shouldn't I use gint for all the xmms stuff like // FIXME (cont): /usr/include/xmms/xmmsctrl.h says ? static void I_XMMS_Running (void) { int res; int i; int fd_size = getdtablesize (); if (!xmms_remote_is_running (sessionNo)) { // this method is used over a system() call, so that we know child's // pid (not that is particularly important) but so we can close // unneeded descriptors res = fork (); switch (res) { case 0: // Child // Well, we don't want the child to be running about with // 27001 still open for (i = 3; i < fd_size; i++) close (i); // run xmms if (execvp (xmms_cmd, xmms_args)) { // Oh dear, can we even use Sys_DPrinf? We are child so // we have access to them? But wouldn't it just try // rendering it and screw stuff up? Better not find out. exit (1); // Well, we can't just hang about // causing trouble can we ? } break; case -1: // ICH! // inform user Sys_DPrintf ("XMMSAudio: error, can't fork!?\n"); break; default: // Parent // don't need now :/ // xmmsPid = res; // so we can kill it later break; } return; } return; } static void I_XMMS_Stop (void) // stop playing { // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); if (!xmms_remote_is_playing (sessionNo)) return; // check that its actually playing xmms_remote_stop (sessionNo); // stop it wasPlaying = playing; playing = false; return; } // Play // start it playing, (unless disabled) static void I_XMMS_Play (int track, qboolean looping) // looping for compatability { // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); // Check it's on /* I think this will fix some wierdness */ if (xmms_remote_is_paused (sessionNo)) { xmms_remote_pause (sessionNo); return; } // set position if(track >= 0) xmms_remote_set_playlist_pos(sessionNo, track); if (xmms_remote_is_playing (sessionNo)) return; xmms_remote_play (sessionNo); wasPlaying = playing; playing = true; return; } static void I_XMMS_Pause (void) { // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); // It runnin ? if (!xmms_remote_is_playing (sessionNo)) return; xmms_remote_pause (sessionNo); wasPlaying = playing; playing = false; return; } static void I_XMMS_Resume (void) { // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); // Is it on ? if not, make it so /* i think this will fix some wierdness */ if (xmms_remote_is_paused (sessionNo)) { xmms_remote_pause (sessionNo); return; } if (xmms_remote_is_playing (sessionNo)) return; xmms_remote_play (sessionNo); wasPlaying = playing; playing = true; return; } static void I_XMMS_Prev (void) { // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); // Running ? xmms_remote_playlist_prev (sessionNo); return; } static void I_XMMS_Next (void) { // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); // Running or not ? xmms_remote_playlist_next (sessionNo); return; } static void I_XMMS_Update (void) { return; } static void XMMS_SessionChg(cvar_t *xmms_session) { sessionNo = xmms_session->int_val; return; } static void I_XMMS_Init (void) { cvar_t *tmp; I_XMMS_Running (); Cmd_AddCommand ("xmms", I_XMMS_f, "Control the XMMS player.\n" "Commands:\n" "resume - Will resume playback after pause.\n" "off - Stops control and playback of XMMS.\n" "on - Starts XMMS if not running, or enables playback.\n" "pause - Pause the XMMS playback.\n" "play (position) - Begins playing tracks (from position) " "according to the playlist.\n" "stop - Stops the currently playing track.\n" "next - Plays the next track in the playlist.\n" "prev - Plays the previous track in the playlist.\n" "shuffle - Toggle shuffling the playlist.\n" "repeat - Toggle repeating of the playlist.\n" "pos - Set playlist position.\n" "info - Get information about currently playing song."); tmp = Cvar_Get("xmms_session", "0", CVAR_NONE, XMMS_SessionChg, "XMMS Session number to use"); sessionNo = tmp->int_val; return; } static void I_XMMS_Shutdown (void) { return; } static void I_XMMS_Kill (void) { xmms_remote_quit (sessionNo); return; } static void I_XMMS_On (void) { musEnabled = true; I_XMMS_Running (); return; } static void I_XMMS_Off (void) { musEnabled = false; I_XMMS_Kill (); return; } static void // Toggle Shuffling I_XMMS_Shuffle (void) { int shuf; // for some reason, it reports shuffle wrong, // probably because it relies on a timer that doesn't time out straight // after change, and before the check // SO, we check before, and assuming it works, we know that it will be the // opposite of what it _WAS_, if you get my meaning :/ // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); // It even running ? shuf = xmms_remote_is_shuffle (sessionNo); xmms_remote_toggle_shuffle (sessionNo); if (shuf == 1) Sys_Printf ("XMMSAudio: Shuffling Disabled\n"); else if (shuf == 0) Sys_Printf ("XMMSAudio: Shuffling Enabled\n"); else return; // ACH ! return; } static void // toggles playlist repeating I_XMMS_Repeat (void) { // Similar situation as with I_XMMS_Shuffle(); // same code too :) int rep; // don't try if "xmms off" has been called if (!musEnabled) return; I_XMMS_Running (); // It even running ? rep = xmms_remote_is_repeat (sessionNo); xmms_remote_toggle_repeat (sessionNo); if (rep == 1) Sys_Printf ("XMMSAudio: Repeat Disabled\n"); else if (rep == 0) Sys_Printf ("XMMSAudio: Repeat Enabled\n"); else return; // ACH ! return; } static void // sets playlist position I_XMMS_Pos (int track) { if(!musEnabled) return; // allowed to or not ? if(track < 0) return; // -ve track numbers are dumb xmms_remote_set_playlist_pos(sessionNo, track); // and set the pos.... return; // all done } static void // returns info about track playing and list progress I_XMMS_Info (void) // this is untested with really long tracks, prolly works { int pos; char *title; unsigned int ctime; // -ve times are dumb, will this help ? unsigned int cmin; // current no of mins byte csecs; // current no of secs unsigned int ttime; // total track time unsigned int tmin; // total no of mins byte tsecs; // total no of secs unsigned int len; // playlist length if(!musEnabled) return; // enabled ? I_XMMS_Running(); // is it running ? pos = xmms_remote_get_playlist_pos(sessionNo); // get the playlist position len = xmms_remote_get_playlist_length(sessionNo); // playlist length title = xmms_remote_get_playlist_title(sessionNo, pos); // get track title ctime = xmms_remote_get_output_time(sessionNo); // get track elapsed time ttime = xmms_remote_get_playlist_time(sessionNo, pos); // The time returned by xmms_remote_get_output_time is in milliseconds // elapsed, so, divide by (60*1000) to get mins (its an int, no decimals) // and divide by 1000 mod 60 to get seconds. its a byte, no decimals too. cmin=ctime/(60000); csecs=ctime/(1000) % 60; tmin=ttime/(60000); tsecs=ttime/(1000) % 60; // tell the user. Sys_Printf("XMMS: %d/%d %s %d:%02d/%d:%02d\n", pos, len, title, cmin, csecs, tmin, tsecs); free (title); return; } static void I_XMMS_f (void) { const char *command; /* int ret; int n; */ if (Cmd_Argc () < 2) return; command = Cmd_Argv (1); if (strequal (command, "play")) { I_XMMS_Play ((atoi (Cmd_Argv (2)) -1), 0); return; } if (strequal (command, "on")) { I_XMMS_On (); return; } if (strequal (command, "off")) { I_XMMS_Off (); return; } if (strequal (command, "stop")) { I_XMMS_Stop (); return; } if (strequal (command, "pause")) { I_XMMS_Pause (); return; } if (strequal (command, "resume")) { I_XMMS_Resume (); return; } if (strequal (command, "next")) { I_XMMS_Next (); return; } if (strequal (command, "prev")) { I_XMMS_Prev (); return; } if (strequal (command, "shuffle")) { I_XMMS_Shuffle (); return; } if (strequal (command, "repeat")) { I_XMMS_Repeat (); return; } if (strequal (command, "pos")) { I_XMMS_Pos (atoi (Cmd_Argv (2)) - 1); return; } if (strequal (command, "info")) { I_XMMS_Info (); return; } if (strequal (command, "help")) { Sys_Printf ("Try \"help xmms\".\n"); return; } return; } QFPLUGIN plugin_t * cd_xmms_PluginInfo (void) { plugin_info.type = qfp_cd; plugin_info.api_version = QFPLUGIN_VERSION; plugin_info.plugin_version = "0.1"; plugin_info.description = "Linux XMMS (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_XMMS_Init; plugin_info_general_funcs.p_Shutdown = I_XMMS_Shutdown; plugin_info_cd_funcs.pCDAudio_Pause = I_XMMS_Pause; plugin_info_cd_funcs.pCDAudio_Play = I_XMMS_Play; plugin_info_cd_funcs.pCDAudio_Resume = I_XMMS_Resume; plugin_info_cd_funcs.pCDAudio_Update = I_XMMS_Update; plugin_info_cd_funcs.pCD_f = I_XMMS_f; return &plugin_info; }