git.maemo.org Git - monky/blob - src/audacious.c

   1 /* $Id$ */
   2
   3 /*
   4  * audacious.c:  conky support for audacious music player
   5  *
   6  * Copyright (C) 2005  Philip Kovacs pkovacs@users.sourceforge.net
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  21  * USA.
  22  *
  23  */
  24
  25 #include <stdio.h>
  26 #include <string.h>
  27
  28 #include <glib.h>
  29 #include <audacious/beepctrl.h>
  30
  31 #include "config.h"
  32 #include "conky.h"
  33 #include "audacious.h"
  34 #include "timed_thread.h"
  35
  36 /* access to this item array is synchronized */
  37 static audacious_t audacious_items;
  38
  39 /* -----------------------------------------
  40  * Conky update function for audacious data.
  41  * ----------------------------------------- */
  42 void update_audacious(void)
  43 {
  44     /*
  45       The worker thread is updating audacious_items array asynchronously to the main
  46       conky thread.  We merely copy the audacious_items array into the main thread's
  47       info structure when the main thread's update cycle fires.
  48     */
  49     if (!info.audacious.p_timed_thread)
  50         return;
  51
  52     timed_thread_lock (info.audacious.p_timed_thread);
  53     memcpy(&info.audacious.items,audacious_items,sizeof(audacious_items));
  54     timed_thread_unlock (info.audacious.p_timed_thread);
  55 }
  56
  57
  58 /* ------------------------------------------------------------
  59  * Create a worker thread for audacious media player status.
  60  *
  61  * Returns 0 on success, -1 on error.
  62  * ------------------------------------------------------------*/
  63 int create_audacious_thread(void)
  64 {
  65     if (!info.audacious.p_timed_thread)
  66         info.audacious.p_timed_thread = timed_thread_create (audacious_thread_func, NULL, 1000000);
  67
  68     if (!info.audacious.p_timed_thread)
  69         return (-1);
  70
  71     return 0;
  72 }
  73
  74 /* ------------------------------------------------
  75  * Destroy audacious player status thread.
  76  *
  77  * Returns 0 on success, -1 on error.
  78  * ------------------------------------------------ */
  79 int destroy_audacious_thread(void)
  80 {
  81     /* Is a worker is thread running? If not, no error. */
  82     if (!info.audacious.p_timed_thread)
  83         return(0);
  84
  85     timed_thread_destroy (info.audacious.p_timed_thread, &info.audacious.p_timed_thread);
  86
  87     return 0;
  88 }
  89
  90 /* ---------------------------------------------------
  91  * Worker thread function for audacious data sampling.
  92  * --------------------------------------------------- */
  93 void *audacious_thread_func(void *pvoid)
  94 {
  95     static audacious_t items;
  96     gint session,playpos,frames,length;
  97     gint rate,freq,chans;
  98     gchar *psong,*pfilename;
  99
 100     pvoid=(void *)pvoid;  /* avoid warning */
 101     session=0;
 102     psong=NULL;
 103     pfilename=NULL;
 104
 105     /* Loop until the main thread sets the runnable signal to 0i via timed_thread_destroy. */
 106     while (1) {
 107
 108         if (!xmms_remote_is_running (session)) {
 109             memset(&items,0,sizeof(items));
 110             strcpy(items[AUDACIOUS_STATUS],"Not running");
 111             goto next_iter;
 112         }
 113
 114         /* Player status */
 115         if (xmms_remote_is_paused (session))
 116             strcpy(items[AUDACIOUS_STATUS],"Paused");
 117         else if (xmms_remote_is_playing (session))
 118             strcpy(items[AUDACIOUS_STATUS],"Playing");
 119         else
 120             strcpy(items[AUDACIOUS_STATUS],"Stopped");
 121
 122         /* Current song title */
 123         playpos = xmms_remote_get_playlist_pos (session);
 124         psong = xmms_remote_get_playlist_title (session, playpos);
 125         if (psong) {
 126             strncpy(items[AUDACIOUS_TITLE],psong,sizeof(items[AUDACIOUS_TITLE])-1);
 127             g_free (psong);
 128             psong=NULL;
 129         }
 130
 131         /* Current song length as MM:SS */
 132         frames = xmms_remote_get_playlist_time (session,playpos);
 133         length = frames / 1000;
 134         snprintf(items[AUDACIOUS_LENGTH],sizeof(items[AUDACIOUS_LENGTH])-1,
 135                  "%d:%.2d", length / 60, length % 60);
 136
 137         /* Current song length in seconds */
 138         snprintf(items[AUDACIOUS_LENGTH_SECONDS],sizeof(items[AUDACIOUS_LENGTH_SECONDS])-1,
 139                  "%d", length);
 140
 141         /* Current song position as MM:SS */
 142         frames = xmms_remote_get_output_time (session);
 143         length = frames / 1000;
 144         snprintf(items[AUDACIOUS_POSITION],sizeof(items[AUDACIOUS_POSITION])-1,
 145                  "%d:%.2d", length / 60, length % 60);
 146
 147         /* Current song position in seconds */
 148         snprintf(items[AUDACIOUS_POSITION_SECONDS],sizeof(items[AUDACIOUS_POSITION_SECONDS])-1,
 149                  "%d", length);
 150
 151         /* Current song bitrate */
 152         xmms_remote_get_info (session, &rate, &freq, &chans);
 153         snprintf(items[AUDACIOUS_BITRATE],sizeof(items[AUDACIOUS_BITRATE])-1, "%d", rate);
 154
 155         /* Current song frequency */
 156         snprintf(items[AUDACIOUS_FREQUENCY],sizeof(items[AUDACIOUS_FREQUENCY])-1, "%d", freq);
 157
 158         /* Current song channels */
 159         snprintf(items[AUDACIOUS_CHANNELS],sizeof(items[AUDACIOUS_CHANNELS])-1, "%d", chans);
 160
 161         /* Current song filename */
 162         pfilename = xmms_remote_get_playlist_file (session,playpos);
 163         if (pfilename) {
 164             strncpy(items[AUDACIOUS_FILENAME],pfilename,sizeof(items[AUDACIOUS_FILENAME])-1);
 165             g_free (pfilename);
 166             pfilename=NULL;
 167         }
 168
 169         /* Length of the Playlist (number of songs) */
 170         length = xmms_remote_get_playlist_length (session);
 171         snprintf(items[AUDACIOUS_PLAYLIST_LENGTH],sizeof(items[AUDACIOUS_PLAYLIST_LENGTH])-1, "%d", length);
 172
 173         /* Playlist position (index of song) */
 174         snprintf(items[AUDACIOUS_PLAYLIST_POSITION],sizeof(items[AUDACIOUS_PLAYLIST_POSITION])-1,
 175                  "%d", playpos+1);
 176
 177 next_iter:
 178
 179         /* Deliver the refreshed items array to audacious_items. */
 180         timed_thread_lock (info.audacious.p_timed_thread);
 181         memcpy(&audacious_items,items,sizeof(items));
 182         timed_thread_unlock (info.audacious.p_timed_thread);
 183
 184         if (timed_thread_test (info.audacious.p_timed_thread))
 185             timed_thread_exit (info.audacious.p_timed_thread);
 186
 187     }
 188 }