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 -1))
 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         }
 163
 164         fclose(f);
 165     }
 166     else
 167         r = -1;
 168
 169     /* free data */
 170     free(l);
 171
 172     *pcount = c;
 173
 174     return r;
 175 };
 176
 177 void omnplay_library_load(omnplay_instance_t* app)
 178 {
 179     pthread_mutex_lock(&app->library.lock);
 180
 181     if(app->library.filename[0])
 182     {
 183         app->library.count = MAX_LIBRARY_ITEMS;
 184         omnplay_library_load_file(app->library.item, &app->library.count, app->library.filename);
 185     };
 186
 187     omnplay_library_sort(app);
 188
 189     pthread_mutex_unlock(&app->library.lock);
 190
 191     omnplay_library_draw(app);
 192 };
 193
 194 static void omnplay_library_save_file(playlist_item_t* item, int count, char* filename)
 195 {
 196     int i;
 197     FILE* f;
 198
 199     if((f = fopen(filename, "wt")))
 200     {
 201         char tc_in[32], tc_dur[32];
 202
 203         for(i = 0; i < count; i++)
 204             fprintf(f, "%s\t%s\t%s\t%s\n",
 205                 item[i].id,
 206                 frames2tc(item[i].in, 25.0, tc_in),
 207                 frames2tc(item[i].dur, 25.0, tc_dur),
 208                 item[i].title);
 209
 210         fclose(f);
 211     };
 212 };
 213
 214 void omnplay_library_save(omnplay_instance_t* app)
 215 {
 216     pthread_mutex_lock(&app->library.lock);
 217
 218     if(app->library.filename[0])
 219         omnplay_library_save_file(app->library.item, app->library.count,
 220             app->library.filename);
 221
 222     pthread_mutex_unlock(&app->library.lock);
 223 };
 224
 225 static void omnplay_get_content_cb(omnplay_instance_t* app, playlist_item_t* item, void* data)
 226 {
 227     gdk_threads_enter();
 228     gtk_label_set_text(GTK_LABEL(data), item->id);
 229     gdk_flush();
 230     gdk_threads_leave();
 231 };
 232
 233 static void* omnplay_library_refresh_proc(void* data)
 234 {
 235     GtkWidget *refresh_ui[2];
 236     omnplay_instance_t* app = (omnplay_instance_t*)data;
 237     int count, i;
 238     playlist_item_t* items;
 239
 240     gdk_threads_enter();
 241
 242     /* create UI for monitoring update */
 243     ui_library_refresh(app, &refresh_ui[0], &refresh_ui[1]);
 244     gtk_widget_show_all(refresh_ui[0]);
 245     gtk_window_present(GTK_WINDOW(refresh_ui[0]));
 246
 247     gdk_flush();
 248     gdk_threads_leave();
 249
 250     items = (playlist_item_t*)malloc(sizeof(playlist_item_t) * MAX_LIBRARY_ITEMS);
 251
 252     count = omnplay_get_content(app, items, MAX_LIBRARY_ITEMS, omnplay_get_content_cb, refresh_ui[1]);
 253
 254     if(count > 0)
 255     {
 256         gdk_threads_enter();
 257         gtk_label_set_text(GTK_LABEL(refresh_ui[1]), "Quering whois...");
 258         gdk_flush();
 259         gdk_threads_leave();
 260
 261         if(app->library.whois[0])
 262             omnplay_whois_list(app, items, &count);
 263
 264         gdk_threads_enter();
 265         gtk_label_set_text(GTK_LABEL(refresh_ui[1]), "Setting library...");
 266         gdk_flush();
 267         gdk_threads_leave();
 268
 269         pthread_mutex_lock(&app->library.lock);
 270
 271         for(i = 0; i < count; i++)
 272             app->library.item[i] = items[i];
 273
 274         app->library.count = count;
 275
 276         omnplay_library_sort(app);
 277
 278         pthread_mutex_unlock(&app->library.lock);
 279
 280         gdk_threads_enter();
 281         omnplay_library_draw(app);
 282         gdk_flush();
 283         gdk_threads_leave();
 284     };
 285
 286     free(items);
 287
 288     gdk_threads_enter();
 289     omnplay_playlist_normalize(app);
 290     gdk_flush();
 291     gdk_threads_leave();
 292
 293     gdk_threads_enter();
 294     gtk_widget_destroy(refresh_ui[0]);
 295     gdk_flush();
 296     gdk_threads_leave();
 297
 298     return NULL;
 299 };
 300
 301 void omnplay_library_refresh(omnplay_instance_t* app)
 302 {
 303     if(app->library.refresh_thread)
 304         g_thread_join(app->library.refresh_thread);
 305
 306     app->library.refresh_thread = g_thread_create(
 307         omnplay_library_refresh_proc, app, TRUE, NULL);
 308 };
 309
 310 void omnplay_library_draw(omnplay_instance_t* app)
 311 {
 312     int i;
 313     char tc[12];
 314     GtkListStore *list_store;
 315     GtkTreeIter iter;
 316
 317     list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->library_grid)));
 318     gtk_list_store_clear(list_store);
 319
 320     pthread_mutex_lock(&app->library.lock);
 321
 322     for(i = 0;i < app->library.count; i++)
 323     {
 324         gtk_list_store_append(list_store, &iter);
 325
 326         gtk_list_store_set(list_store, &iter,
 327             0, app->library.item[i].id,
 328             1, frames2tc(app->library.item[i].dur, 25.0, tc),
 329             2, app->library.item[i].title,
 330             3, i,
 331             4, FALSE,
 332             5, "red",
 333             -1 );
 334     }
 335
 336     pthread_mutex_unlock(&app->library.lock);
 337 };
 338
 339 static void get_selected_idx_library_proc(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
 340 {
 341     int idx, *list = (int*)data;
 342     gtk_tree_model_get(model, iter, 3, &idx, -1);
 343     list[list[0] + 1] = idx;
 344     list[0] = list[0] + 1;
 345 };
 346
 347 static int* get_selected_idx_library(omnplay_instance_t* app)
 348 {
 349     int* list = NULL;
 350     GtkTreeSelection *selection;
 351
 352     selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->library_grid));
 353     if(selection)
 354     {
 355         list = (int*)malloc(sizeof(int) * (MAX_LIBRARY_ITEMS + 1));
 356         memset(list, 0, sizeof(int) * (MAX_LIBRARY_ITEMS + 1));
 357
 358         gtk_tree_selection_selected_foreach(
 359             selection,
 360             get_selected_idx_library_proc,
 361             list);
 362
 363         if(!list[0])
 364         {
 365             free(list);
 366             list = NULL;
 367         };
 368     };
 369
 370     return list;
 371 };
 372
 373
 374 playlist_item_t* omnplay_library_get_selected(omnplay_instance_t* app, int *count)
 375 {
 376     int* idxs;
 377     playlist_item_t* items = NULL;
 378
 379     pthread_mutex_lock(&app->library.lock);
 380
 381     *count = 0;
 382
 383     idxs = get_selected_idx_library(app);
 384
 385     if(idxs)
 386     {
 387         int i;
 388
 389         /* alloc items */
 390         items = (playlist_item_t*)malloc(sizeof(playlist_item_t) * (idxs[0] + 1));
 391
 392         /* clear last item */
 393         memset(&items[idxs[0]], 0, sizeof(playlist_item_t));
 394
 395         /* copy items */
 396         for(i = 0; i < idxs[0]; i++)
 397             items[i] = app->library.item[idxs[i + 1]];
 398
 399         *count = idxs[0];
 400         free(idxs);
 401     };
 402
 403     pthread_mutex_unlock(&app->library.lock);
 404
 405     return items;
 406 };
 407
 408 void omnplay_library_search(omnplay_instance_t* app, int next)
 409 {
 410     int idx = 0, i;
 411     int* idxs;
 412     const char *search;
 413     GtkTreePath* path;
 414
 415     pthread_mutex_lock(&app->library.lock);
 416
 417     idxs = get_selected_idx_library(app);
 418     if(idxs) idx = idxs[1];
 419     free(idxs);
 420
 421     if(!next) idx = 0;
 422     else idx++;
 423
 424     search = gtk_entry_get_text(GTK_ENTRY(app->library.search));
 425
 426     if(search[0])
 427     {
 428         for(i = idx; i < app->library.count; i++)
 429             if( strcasestr(app->library.item[i].id, search) ||
 430                 strcasestr(app->library.item[i].title, search))
 431                     break;
 432
 433         if(i < app->library.count)
 434         {
 435             g_warning("found at pos=%d\n", i);
 436
 437             /* select */
 438             path = gtk_tree_path_new_from_indices(i, -1);
 439             gtk_tree_selection_select_path(gtk_tree_view_get_selection(
 440                 GTK_TREE_VIEW(app->library_grid)), path);
 441             gtk_tree_view_set_cursor(GTK_TREE_VIEW(app->library_grid), path, NULL, FALSE);
 442             gtk_tree_path_free(path);
 443         };
 444     };
 445
 446     pthread_mutex_unlock(&app->library.lock);
 447 };