research.m1stereo.tv/gitweb/ - melted_gui/blob - src/library.c

   1 /*
   2  * playlist.c -- GTK+ 2 omnplay
   3  * Copyright (C) 2011 Maksym Veremeyenko <verem@m1stereo.tv>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software Foundation,
  17  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include <config.h>
  22 #endif
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <gtk/gtk.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <pthread.h>
  30
  31 #include "omnplay.h"
  32 #include "ui.h"
  33 #include "timecode.h"
  34
  35 void omnplay_library_load(omnplay_instance_t* app)
  36 {
  37     int i;
  38     FILE* f;
  39     char *l;
  40     playlist_item_t item;
  41
  42     /* allocate space for strings and items */
  43     l = malloc(PATH_MAX);
  44
  45     pthread_mutex_lock(&app->library.lock);
  46
  47     app->library.count = 0;
  48
  49     /* open and process file */
  50     if(app->library.filename[0] && (f = fopen(app->library.filename, "rt")))
  51     {
  52         while( !feof(f) )
  53         {
  54             char *s, *sp_r, *sp_b;
  55
  56             /* load string */
  57             memset(l, 0, PATH_MAX);
  58             fgets(l, PATH_MAX, f);
  59
  60             /* remove newlines */
  61             if( (s = strchr(l, '\n')) ) *s = 0;
  62             if( (s = strchr(l, '\r')) ) *s = 0;
  63
  64             /* check for empty line */
  65             if(l[0] && l[0] != '#')
  66             {
  67                 memset(&item, 0, sizeof(playlist_item_t));
  68
  69                 for(i = 0, sp_b = l; (NULL != (sp_r = strtok(sp_b, "\t"))); i++, sp_b = NULL)
  70                 {
  71                     switch(i)
  72                     {
  73                         case 0: strncpy(item.id, sp_r, PATH_MAX); break;
  74                         case 1: tc2frames(sp_r, 25.0, &item.in); break;
  75                         case 2: tc2frames(sp_r, 25.0, &item.dur); break;
  76                         case 3: strncpy(item.title, sp_r, PATH_MAX); break;
  77                     };
  78                 };
  79
  80                 /* insert item */
  81                 app->library.item[app->library.count++] = item;
  82             };
  83         }
  84
  85         fclose(f);
  86     }
  87
  88     pthread_mutex_unlock(&app->library.lock);
  89
  90     /* free data */
  91     free(l);
  92
  93     omnplay_library_draw(app);
  94 };
  95
  96 void omnplay_library_save(omnplay_instance_t* app)
  97 {
  98     int i;
  99     FILE* f;
 100
 101     pthread_mutex_lock(&app->library.lock);
 102
 103     if(app->library.filename[0] && (f = fopen(app->library.filename, "wt")))
 104     {
 105         char tc_in[32], tc_dur[32];
 106
 107         for(i = 0; i < app->library.count; i++)
 108             fprintf(f, "%s\t%s\t%s\t%s\n",
 109                 app->library.item[i].id,
 110                 frames2tc(app->library.item[i].in, 25.0, tc_in),
 111                 frames2tc(app->library.item[i].dur, 25.0, tc_dur),
 112                 app->library.item[i].title);
 113
 114         fclose(f);
 115     };
 116
 117     pthread_mutex_unlock(&app->library.lock);
 118 };
 119
 120 void omnplay_library_refresh(omnplay_instance_t* app)
 121 {
 122 };
 123
 124 void omnplay_library_draw(omnplay_instance_t* app)
 125 {
 126     int i;
 127     char tc[12];
 128     GtkListStore *list_store;
 129     GtkTreeIter iter;
 130
 131     list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->library_grid)));
 132     gtk_list_store_clear(list_store);
 133
 134     pthread_mutex_lock(&app->library.lock);
 135
 136     for(i = 0;i < app->library.count; i++)
 137     {
 138         gtk_list_store_append(list_store, &iter);
 139
 140         gtk_list_store_set(list_store, &iter,
 141             0, app->library.item[i].id,
 142             1, frames2tc(app->playlist.item[i].dur, 25.0, tc),
 143             2, app->library.item[i].title,
 144             3, i,
 145             -1 );
 146     }
 147
 148     pthread_mutex_unlock(&app->library.lock);
 149 };