research.m1stereo.tv/gitweb/ - omnplay/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 static void omnplay_library_load_file(playlist_item_t* items, int *pcount, char* filename)
  36 {
  37     int i, c = 0;
  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     *pcount = 0;
  46
  47     /* open and process file */
  48     if((f = fopen(filename, "rt")))
  49     {
  50         while( !feof(f) )
  51         {
  52             char *s, *sp_r, *sp_b;
  53
  54             /* load string */
  55             memset(l, 0, PATH_MAX);
  56             fgets(l, PATH_MAX, f);
  57
  58             /* remove newlines */
  59             if( (s = strchr(l, '\n')) ) *s = 0;
  60             if( (s = strchr(l, '\r')) ) *s = 0;
  61
  62             /* check for empty line */
  63             if(l[0] && l[0] != '#')
  64             {
  65                 memset(&item, 0, sizeof(playlist_item_t));
  66
  67                 for(i = 0, sp_b = l; (NULL != (sp_r = strtok(sp_b, "\t"))); i++, sp_b = NULL)
  68                 {
  69                     switch(i)
  70                     {
  71                         case 0: strncpy(item.id, sp_r, PATH_MAX); break;
  72                         case 1: tc2frames(sp_r, 25.0, &item.in); break;
  73                         case 2: tc2frames(sp_r, 25.0, &item.dur); break;
  74                         case 3: strncpy(item.title, sp_r, PATH_MAX); break;
  75                     };
  76                 };
  77
  78                 /* insert item */
  79                 items[c++] = item;
  80             };
  81         }
  82
  83         fclose(f);
  84     }
  85
  86     /* free data */
  87     free(l);
  88
  89     *pcount = c;
  90 };
  91
  92 void omnplay_library_load(omnplay_instance_t* app)
  93 {
  94     pthread_mutex_lock(&app->library.lock);
  95
  96     if(app->library.filename[0])
  97         omnplay_library_load_file(app->library.item, &app->library.count, app->library.filename);
  98
  99     pthread_mutex_unlock(&app->library.lock);
 100
 101     omnplay_library_draw(app);
 102 };
 103
 104 static void omnplay_library_save_file(playlist_item_t* item, int count, char* filename)
 105 {
 106     int i;
 107     FILE* f;
 108
 109     if((f = fopen(filename, "wt")))
 110     {
 111         char tc_in[32], tc_dur[32];
 112
 113         for(i = 0; i < count; i++)
 114             fprintf(f, "%s\t%s\t%s\t%s\n",
 115                 item[i].id,
 116                 frames2tc(item[i].in, 25.0, tc_in),
 117                 frames2tc(item[i].dur, 25.0, tc_dur),
 118                 item[i].title);
 119
 120         fclose(f);
 121     };
 122 };
 123
 124 void omnplay_library_save(omnplay_instance_t* app)
 125 {
 126     pthread_mutex_lock(&app->library.lock);
 127
 128     if(app->library.filename[0])
 129         omnplay_library_save_file(app->library.item, app->library.count,
 130             app->library.filename);
 131
 132     pthread_mutex_unlock(&app->library.lock);
 133 };
 134
 135 void omnplay_library_refresh(omnplay_instance_t* app)
 136 {
 137 };
 138
 139 void omnplay_library_draw(omnplay_instance_t* app)
 140 {
 141     int i;
 142     char tc[12];
 143     GtkListStore *list_store;
 144     GtkTreeIter iter;
 145
 146     list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->library_grid)));
 147     gtk_list_store_clear(list_store);
 148
 149     pthread_mutex_lock(&app->library.lock);
 150
 151     for(i = 0;i < app->library.count; i++)
 152     {
 153         gtk_list_store_append(list_store, &iter);
 154
 155         gtk_list_store_set(list_store, &iter,
 156             0, app->library.item[i].id,
 157             1, frames2tc(app->playlist.item[i].dur, 25.0, tc),
 158             2, app->library.item[i].title,
 159             3, i,
 160             -1 );
 161     }
 162
 163     pthread_mutex_unlock(&app->library.lock);
 164 };