research.m1stereo.tv/gitweb/ - omnplay/blob - src/playlist.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 int load_file_ply(omnplay_instance_t* app, char* filename)
  36 {
  37     FILE* f;
  38     char *ID, *CH, *B, *IN, *OUT, *DUR, *REST, *l;
  39     int count = 0, i;
  40     playlist_item_t* items;
  41
  42     /* allocate space for strings and items */
  43     items = malloc(sizeof(playlist_item_t) * MAX_PLAYLIST_ITEMS);
  44     memset(items, 0, sizeof(playlist_item_t) * MAX_PLAYLIST_ITEMS);
  45     ID = malloc(PATH_MAX);
  46     CH = malloc(PATH_MAX);
  47     B = malloc(PATH_MAX);
  48     IN = malloc(PATH_MAX);
  49     OUT = malloc(PATH_MAX);
  50     DUR = malloc(PATH_MAX);
  51     REST = malloc(PATH_MAX);
  52     l = malloc(PATH_MAX);
  53
  54     /* open and process file */
  55     f = fopen(filename, "rt");
  56     if(f)
  57     {
  58         while( !feof(f) )
  59         {
  60             char* s;
  61
  62             /* load string */
  63             memset(l, 0, PATH_MAX);
  64             fgets(l, PATH_MAX, f);
  65
  66             /* remove newlines */
  67             if( (s = strchr(l, '\n')) ) *s = 0;
  68             if( (s = strchr(l, '\r')) ) *s = 0;
  69             if( (s = strchr(l, '\t')) ) *s = 0;
  70
  71             /* check for empty line */
  72             if(l[0] && l[0] != '#')
  73             {
  74                 if (6 != sscanf(l, "%128[^,],%128[^,],%128[^,],%128[^,],%128[^,],%128[^,],%s",
  75                     ID, CH, B, IN, OUT, DUR, REST))
  76                 {
  77                     /* setup item */
  78                     tc2frames(IN, 25.0, &items[count].in);
  79                     tc2frames(DUR, 25.0, &items[count].dur);
  80                     strncpy(items[count].id, ID, PATH_MAX);
  81                     items[count].player = atol(CH) - 1;
  82                     switch(atol(B))
  83                     {
  84                         case 1: items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_SINGLE; break;
  85                         case 2: items[count].type = OMNPLAY_PLAYLIST_ITEM_LOOP_BEGIN; break;
  86                         case 3: items[count].type = OMNPLAY_PLAYLIST_ITEM_LOOP_BODY; break;
  87                         case 4: items[count].type = OMNPLAY_PLAYLIST_ITEM_LOOP_END; break;
  88                         case 6: items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_END; break;
  89                         case 0:
  90                             if(!count || items[count - 1].type != OMNPLAY_PLAYLIST_ITEM_BLOCK_BODY)
  91                                 items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_BEGIN;
  92                             else
  93                                 items[count].type = OMNPLAY_PLAYLIST_ITEM_BLOCK_BODY;
  94                             break;
  95                     };
  96
  97                     count++;
  98                 }
  99             };
 100         }
 101
 102         fclose(f);
 103     }
 104
 105     /* add loaded items to playlist */
 106     if(count)
 107     {
 108         pthread_mutex_lock(&app->playlist.lock);
 109         for(i = 0; i < count && app->playlist.count + 1 < MAX_PLAYLIST_ITEMS; i++)
 110             app->playlist.item[app->playlist.count++] = items[i];
 111         app->playlist.ver_curr++;
 112         pthread_mutex_unlock(&app->playlist.lock);
 113     }
 114
 115     /* free data */
 116     free(items);
 117     free(ID);
 118     free(CH);
 119     free(IN);
 120     free(OUT);
 121     free(DUR);
 122     free(REST);
 123     free(l);
 124
 125     return count;
 126 };
 127
 128 void omnplay_playlist_load(omnplay_instance_t* app)
 129 {
 130     int r;
 131     GtkWidget *dialog;
 132
 133     dialog = gtk_file_chooser_dialog_new("Open File",
 134         GTK_WINDOW (app->window),
 135         GTK_FILE_CHOOSER_ACTION_OPEN,
 136         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 137         GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 138         NULL);
 139
 140     gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog),
 141         (app->playlist.path)?app->playlist.path:getenv("HOME"));
 142
 143     r = gtk_dialog_run(GTK_DIALOG(dialog));
 144
 145     if(r == GTK_RESPONSE_ACCEPT)
 146     {
 147         char *filename;
 148
 149         filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 150
 151         r = load_file_ply(app, filename);
 152
 153         if(r)
 154             omnplay_playlist_draw(app);
 155
 156         if(app->playlist.path)
 157             g_free(app->playlist.path);
 158         if((app->playlist.path = filename))
 159         {
 160             char* e = strrchr(app->playlist.path, '/');
 161             if(e) *e = 0;
 162         }
 163     }
 164
 165     gtk_widget_destroy (dialog);
 166 };
 167
 168 void omnplay_playlist_save(omnplay_instance_t* app)
 169 {
 170 };
 171
 172 void omnplay_playlist_draw(omnplay_instance_t* app)
 173 {
 174     int i;
 175     char tc1[12], tc2[12];
 176     GtkListStore *list_store;
 177     GtkTreeIter iter;
 178
 179     list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->playlist_grid)));
 180     gtk_list_store_clear(list_store);
 181
 182     pthread_mutex_lock(&app->playlist.lock);
 183
 184     for(i = 0;i < app->playlist.count; i++)
 185     {
 186         gtk_list_store_append(list_store, &iter);
 187
 188         gtk_list_store_set(list_store, &iter,
 189             0, "",
 190             1, app->playlist.block_icons[app->playlist.item[i].type],
 191             2, (0 == app->playlist.item[i].player)?"A":"B",
 192             3, app->playlist.item[i].id,
 193             4, frames2tc(app->playlist.item[i].in, 25.0, tc1),
 194             5, frames2tc(app->playlist.item[i].in, 25.0, tc2),
 195             6, app->playlist.item[i].title,
 196             -1 );
 197     }
 198
 199     app->playlist.ver_prev = app->playlist.ver_curr;
 200
 201     pthread_mutex_unlock(&app->playlist.lock);
 202 };