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 #ifndef _GNU_SOURCE
  25 #define _GNU_SOURCE
  26 #endif
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <gtk/gtk.h>
  32 #include <gdk/gdkkeysyms.h>
  33 #include <pthread.h>
  34 #include <string.h>
  35
  36 #include "omnplay.h"
  37 #include "ui.h"
  38 #include "timecode.h"
  39
  40 playlist_item_t* omnplay_library_find(omnplay_instance_t* app, char* id)
  41 {
  42     int i;
  43     playlist_item_t* item = NULL;
  44
  45     pthread_mutex_lock(&app->library.lock);
  46
  47     for(i = 0; i < app->library.count && !item; i++)
  48         if(!strcasecmp(id, app->library.item[i].id))
  49             item = &app->library.item[i];
  50
  51     pthread_mutex_unlock(&app->library.lock);
  52
  53     return item;
  54 };
  55
  56 int omnplay_library_normalize_item(omnplay_instance_t* app, playlist_item_t* item)
  57 {
  58     int r = 0;
  59     playlist_item_t* lib;
  60
  61     pthread_mutex_lock(&app->library.lock);
  62
  63     lib = omnplay_library_find(app, item->id);
  64
  65     item->error = 0;
  66
  67     if(lib)
  68     {
  69
  70         if(!item->title[0])
  71         {
  72             strcpy(item->title, lib->title);
  73             r = 1;
  74         };
  75
  76         if(!item->dur || item->in < lib->in || (item->in + item->dur) > (lib->in + lib->dur))
  77         {
  78             item->dur = lib->dur;
  79             item->in = lib->in;
  80             r = 1;
  81         };
  82     }
  83     else
  84     {
  85         r = 1;
  86         item->error = PLAYLIST_ITEM_ERROR_LIB;
  87     };
  88
  89     pthread_mutex_unlock(&app->library.lock);
  90
  91     return r;
  92 };
  93
  94 void omnplay_library_sort(omnplay_instance_t* app)
  95 {
  96     int i, j, m;
  97     playlist_item_t item;
  98
  99     for(i = 0; i < app->library.count; i++)
 100     {
 101         /* find max */
 102         for(j = i + 1, m = i; j < app->library.count; j++)
 103             if(strcasecmp(app->library.item[j].id, app->library.item[m].id) < 0)
 104                 m = j;
 105
 106         if(m != i)
 107         {
 108             item = app->library.item[i];
 109             app->library.item[i] = app->library.item[m];
 110             app->library.item[m] = item;
 111         };
 112     };
 113 };
 114
 115 int omnplay_library_load_file(playlist_item_t* items, int *pcount, char* filename)
 116 {
 117     int i, c = 0, r = 0;
 118     FILE* f;
 119     char *l;
 120     int limit = *pcount;
 121     playlist_item_t item;
 122
 123     /* allocate space for strings and items */
 124     l = malloc(PATH_MAX);
 125
 126     *pcount = 0;
 127
 128     /* open and process file */
 129     if((f = fopen(filename, "rt")))
 130     {
 131         while(!feof(f) && c < limit)
 132         {
 133             char *s, *sp_r, *sp_b;
 134
 135             /* load string */
 136             memset(l, 0, PATH_MAX);
 137             fgets(l, PATH_MAX, f);
 138
 139             /* remove newlines */
 140             if( (s = strchr(l, '\n')) ) *s = 0;
 141             if( (s = strchr(l, '\r')) ) *s = 0;
 142
 143             /* check for empty line */
 144             if(l[0] && l[0] != '#' && l[0] != '|')
 145             {
 146                 memset(&item, 0, sizeof(playlist_item_t));
 147
 148                 for(i = 0, sp_b = l; (NULL != (sp_r = strtok(sp_b, "\t"))); i++, sp_b = NULL)
 149                 {
 150                     switch(i)
 151                     {
 152                         case 0: strncpy(item.id, sp_r, PATH_MAX); break;
 153                         case 1: tc2frames(sp_r, 25.0, &item.in); break;
 154                         case 2: tc2frames(sp_r, 25.0, &item.dur); break;
 155                         case 3: strncpy(item.title, sp_r, PATH_MAX); break;
 156                     };
 157                 };
 158
 159                 /* insert item */
 160                 items[c++] = item;
 161             }
 162             else
 163                 g_warning("omnplay_library_load_file: ignored line [%s]\n", l);
 164         }
 165
 166         fclose(f);
 167     }
 168     else
 169         r = -1;
 170
 171     /* free data */
 172     free(l);
 173
 174     *pcount = c;
 175
 176     g_warning("omnplay_library_load_file: loaded [%d] items from [%s] file, limit [%d]\n", c, filename, limit);
 177
 178     return r;
 179 };
 180
 181 void omnplay_library_load(omnplay_instance_t* app)
 182 {
 183     pthread_mutex_lock(&app->library.lock);
 184
 185     if(app->library.filename[0])
 186     {
 187         app->library.count = MAX_LIBRARY_ITEMS;
 188         omnplay_library_load_file(app->library.item, &app->library.count, app->library.filename);
 189     };
 190
 191     omnplay_library_sort(app);
 192
 193     pthread_mutex_unlock(&app->library.lock);
 194
 195     omnplay_library_draw(app);
 196 };
 197
 198 static void omnplay_library_save_file(playlist_item_t* item, int count, char* filename)
 199 {
 200     int i;
 201     FILE* f;
 202
 203     if((f = fopen(filename, "wt")))
 204     {
 205         char tc_in[32], tc_dur[32];
 206
 207         for(i = 0; i < count; i++)
 208             fprintf(f, "%s\t%s\t%s\t%s\n",
 209                 item[i].id,
 210                 frames2tc(item[i].in, 25.0, tc_in),
 211                 frames2tc(item[i].dur, 25.0, tc_dur),
 212                 item[i].title);
 213         fclose(f);
 214         g_warning("omnplay_library_save_file: written [%d] lines to file [%s]\n", count, filename);
 215     };
 216 };
 217
 218 void omnplay_library_save(omnplay_instance_t* app)
 219 {
 220     pthread_mutex_lock(&app->library.lock);
 221
 222     if(app->library.filename[0])
 223         omnplay_library_save_file(app->library.item, app->library.count,
 224             app->library.filename);
 225
 226     pthread_mutex_unlock(&app->library.lock);
 227 };
 228
 229 static void omnplay_get_content_cb(omnplay_instance_t* app, playlist_item_t* item, void* data)
 230 {
 231     omnplay_set_status(app, item->id);
 232 };
 233
 234 static void* omnplay_library_refresh_proc(void* data)
 235 {
 236     omnplay_instance_t* app = (omnplay_instance_t*)data;
 237     int count, i;
 238     playlist_item_t* items;
 239
 240     gdk_threads_enter();
 241     gtk_widget_set_sensitive(app->window, FALSE);
 242     gdk_flush();
 243     gdk_threads_leave();
 244
 245     omnplay_set_status(app, "Updating library...");
 246
 247     items = (playlist_item_t*)malloc(sizeof(playlist_item_t) * MAX_LIBRARY_ITEMS);
 248
 249     count = omnplay_get_content(app, items, MAX_LIBRARY_ITEMS, omnplay_get_content_cb, NULL);
 250
 251     if(count > 0)
 252     {
 253         omnplay_set_status(app, "Quering whois...");
 254
 255         if(app->library.whois[0])
 256             omnplay_whois_list(app, items, &count);
 257
 258         omnplay_set_status(app, "Setting library...");
 259
 260         pthread_mutex_lock(&app->library.lock);
 261
 262         for(i = 0; i < count; i++)
 263             app->library.item[i] = items[i];
 264
 265         app->library.count = count;
 266
 267         omnplay_library_sort(app);
 268
 269         pthread_mutex_unlock(&app->library.lock);
 270
 271         gdk_threads_enter();
 272         omnplay_library_draw(app);
 273         gdk_flush();
 274         gdk_threads_leave();
 275     };
 276
 277     omnplay_set_status(app, "Normalizing playlist...");
 278
 279     free(items);
 280
 281     gdk_threads_enter();
 282     omnplay_playlist_normalize(app);
 283     gdk_flush();
 284     gdk_threads_leave();
 285
 286     omnplay_set_status(app, "");
 287
 288     gdk_threads_enter();
 289     gtk_widget_set_sensitive(app->window, TRUE);
 290     gdk_flush();
 291     gdk_threads_leave();
 292
 293
 294     return NULL;
 295 };
 296
 297 void omnplay_library_refresh(omnplay_instance_t* app)
 298 {
 299     if(app->library.refresh_thread)
 300         g_thread_join(app->library.refresh_thread);
 301
 302     app->library.refresh_thread = g_thread_create(
 303         omnplay_library_refresh_proc, app, TRUE, NULL);
 304 };
 305
 306 void omnplay_library_draw(omnplay_instance_t* app)
 307 {
 308     int i;
 309     char tc[12];
 310     GtkListStore *list_store;
 311     GtkTreeIter iter;
 312
 313     list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->library_grid)));
 314     gtk_list_store_clear(list_store);
 315
 316     pthread_mutex_lock(&app->library.lock);
 317
 318     for(i = 0;i < app->library.count; i++)
 319     {
 320         gtk_list_store_append(list_store, &iter);
 321
 322         gtk_list_store_set(list_store, &iter,
 323             0, app->library.item[i].id,
 324             1, frames2tc(app->library.item[i].dur, 25.0, tc),
 325             2, app->library.item[i].title,
 326             3, i,
 327             4, FALSE,
 328             5, "red",
 329             -1 );
 330     }
 331
 332     pthread_mutex_unlock(&app->library.lock);
 333 };
 334
 335 static void get_selected_idx_library_proc(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
 336 {
 337     int idx, *list = (int*)data;
 338     gtk_tree_model_get(model, iter, 3, &idx, -1);
 339     list[list[0] + 1] = idx;
 340     list[0] = list[0] + 1;
 341 };
 342
 343 static int* get_selected_idx_library(omnplay_instance_t* app)
 344 {
 345     int* list = NULL;
 346     GtkTreeSelection *selection;
 347
 348     selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->library_grid));
 349     if(selection)
 350     {
 351         list = (int*)malloc(sizeof(int) * (MAX_LIBRARY_ITEMS + 1));
 352         memset(list, 0, sizeof(int) * (MAX_LIBRARY_ITEMS + 1));
 353
 354         gtk_tree_selection_selected_foreach(
 355             selection,
 356             get_selected_idx_library_proc,
 357             list);
 358
 359         if(!list[0])
 360         {
 361             free(list);
 362             list = NULL;
 363         };
 364     };
 365
 366     return list;
 367 };
 368
 369
 370 playlist_item_t* omnplay_library_get_selected(omnplay_instance_t* app, int *count)
 371 {
 372     int* idxs;
 373     playlist_item_t* items = NULL;
 374
 375     pthread_mutex_lock(&app->library.lock);
 376
 377     *count = 0;
 378
 379     idxs = get_selected_idx_library(app);
 380
 381     if(idxs)
 382     {
 383         int i;
 384
 385         /* alloc items */
 386         items = (playlist_item_t*)malloc(sizeof(playlist_item_t) * (idxs[0] + 1));
 387
 388         /* clear last item */
 389         memset(&items[idxs[0]], 0, sizeof(playlist_item_t));
 390
 391         /* copy items */
 392         for(i = 0; i < idxs[0]; i++)
 393             items[i] = app->library.item[idxs[i + 1]];
 394
 395         *count = idxs[0];
 396         free(idxs);
 397     };
 398
 399     pthread_mutex_unlock(&app->library.lock);
 400
 401     return items;
 402 };
 403
 404 void omnplay_library_search(omnplay_instance_t* app, int next)
 405 {
 406     int idx = 0, i;
 407     int* idxs;
 408     const char *search;
 409     GtkTreePath* path;
 410
 411     pthread_mutex_lock(&app->library.lock);
 412
 413     idxs = get_selected_idx_library(app);
 414     if(idxs) idx = idxs[1];
 415     free(idxs);
 416
 417     if(!next) idx = 0;
 418     else idx++;
 419
 420     search = gtk_entry_get_text(GTK_ENTRY(app->library.search));
 421
 422     if(search[0])
 423     {
 424         for(i = idx; i < app->library.count; i++)
 425             if( strcasestr(app->library.item[i].id, search) ||
 426                 strcasestr(app->library.item[i].title, search))
 427                     break;
 428
 429         if(i < app->library.count)
 430         {
 431             g_warning("found at pos=%d\n", i);
 432
 433             /* select */
 434             path = gtk_tree_path_new_from_indices(i, -1);
 435             gtk_tree_selection_select_path(gtk_tree_view_get_selection(
 436                 GTK_TREE_VIEW(app->library_grid)), path);
 437             gtk_tree_view_set_cursor(GTK_TREE_VIEW(app->library_grid), path, NULL, FALSE);
 438             gtk_tree_path_free(path);
 439         };
 440     };
 441
 442     pthread_mutex_unlock(&app->library.lock);
 443 };