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(app->library.refresh_ui[1]), item->id);
 229     gdk_flush();
 230     gdk_threads_leave();
 231 };
 232
 233 static void* omnplay_library_refresh_proc(void* data)
 234 {
 235     omnplay_instance_t* app = (omnplay_instance_t*)data;
 236     int count, i;
 237     playlist_item_t* items;
 238
 239     items = (playlist_item_t*)malloc(sizeof(playlist_item_t) * MAX_LIBRARY_ITEMS);
 240
 241     count = omnplay_get_content(app, items, MAX_LIBRARY_ITEMS, omnplay_get_content_cb, NULL);
 242
 243     if(count > 0)
 244     {
 245         gdk_threads_enter();
 246         gtk_label_set_text(GTK_LABEL(app->library.refresh_ui[1]), "Quering whois...");
 247         gdk_flush();
 248         gdk_threads_leave();
 249
 250         if(app->library.whois[0])
 251             omnplay_whois_list(app, items, &count);
 252
 253         pthread_mutex_lock(&app->library.lock);
 254
 255         for(i = 0; i < count; i++)
 256             app->library.item[i] = items[i];
 257
 258         app->library.count = count;
 259
 260         omnplay_library_sort(app);
 261
 262         pthread_mutex_unlock(&app->library.lock);
 263
 264         gdk_threads_enter();
 265         omnplay_library_draw(app);
 266         gdk_flush();
 267         gdk_threads_leave();
 268     };
 269
 270     free(items);
 271
 272     gdk_threads_enter();
 273     omnplay_playlist_normalize(app);
 274     gtk_widget_destroy(app->library.refresh_ui[0]);
 275     gdk_flush();
 276     gdk_threads_leave();
 277
 278     return NULL;
 279 };
 280
 281 void omnplay_library_refresh(omnplay_instance_t* app)
 282 {
 283     if(app->library.refresh_ui[0])
 284         pthread_join(app->library.refresh_thread, NULL);
 285
 286     /* create UI for monitoring update */
 287     ui_library_refresh(app, &app->library.refresh_ui[0], &app->library.refresh_ui[1]);
 288
 289     pthread_create(&app->library.refresh_thread, NULL,
 290         omnplay_library_refresh_proc, app);
 291
 292 };
 293
 294 void omnplay_library_draw(omnplay_instance_t* app)
 295 {
 296     int i;
 297     char tc[12];
 298     GtkListStore *list_store;
 299     GtkTreeIter iter;
 300
 301     list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->library_grid)));
 302     gtk_list_store_clear(list_store);
 303
 304     pthread_mutex_lock(&app->library.lock);
 305
 306     for(i = 0;i < app->library.count; i++)
 307     {
 308         gtk_list_store_append(list_store, &iter);
 309
 310         gtk_list_store_set(list_store, &iter,
 311             0, app->library.item[i].id,
 312             1, frames2tc(app->library.item[i].dur, 25.0, tc),
 313             2, app->library.item[i].title,
 314             3, i,
 315             4, FALSE,
 316             5, "red",
 317             -1 );
 318     }
 319
 320     pthread_mutex_unlock(&app->library.lock);
 321 };
 322
 323 static void get_selected_idx_library_proc(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
 324 {
 325     int idx, *list = (int*)data;
 326     gtk_tree_model_get(model, iter, 3, &idx, -1);
 327     list[list[0] + 1] = idx;
 328     list[0] = list[0] + 1;
 329 };
 330
 331 static int* get_selected_idx_library(omnplay_instance_t* app)
 332 {
 333     int* list = NULL;
 334     GtkTreeSelection *selection;
 335
 336     selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(app->library_grid));
 337     if(selection)
 338     {
 339         list = (int*)malloc(sizeof(int) * (MAX_LIBRARY_ITEMS + 1));
 340         memset(list, 0, sizeof(int) * (MAX_LIBRARY_ITEMS + 1));
 341
 342         gtk_tree_selection_selected_foreach(
 343             selection,
 344             get_selected_idx_library_proc,
 345             list);
 346
 347         if(!list[0])
 348         {
 349             free(list);
 350             list = NULL;
 351         };
 352     };
 353
 354     return list;
 355 };
 356
 357
 358 playlist_item_t* omnplay_library_get_selected(omnplay_instance_t* app, int *count)
 359 {
 360     int* idxs;
 361     playlist_item_t* items = NULL;
 362
 363     pthread_mutex_lock(&app->library.lock);
 364
 365     *count = 0;
 366
 367     idxs = get_selected_idx_library(app);
 368
 369     if(idxs)
 370     {
 371         int i;
 372
 373         /* alloc items */
 374         items = (playlist_item_t*)malloc(sizeof(playlist_item_t) * (idxs[0] + 1));
 375
 376         /* clear last item */
 377         memset(&items[idxs[0]], 0, sizeof(playlist_item_t));
 378
 379         /* copy items */
 380         for(i = 0; i < idxs[0]; i++)
 381             items[i] = app->library.item[idxs[i + 1]];
 382
 383         *count = idxs[0];
 384         free(idxs);
 385     };
 386
 387     pthread_mutex_unlock(&app->library.lock);
 388
 389     return items;
 390 };
 391
 392 void omnplay_library_search(omnplay_instance_t* app, int next)
 393 {
 394     int idx = 0, i;
 395     int* idxs;
 396     const char *search;
 397     GtkTreePath* path;
 398
 399     pthread_mutex_lock(&app->library.lock);
 400
 401     idxs = get_selected_idx_library(app);
 402     if(idxs) idx = idxs[1];
 403     free(idxs);
 404
 405     if(!next) idx = 0;
 406     else idx++;
 407
 408     search = gtk_entry_get_text(GTK_ENTRY(app->library.search));
 409
 410     if(search[0])
 411     {
 412         for(i = idx; i < app->library.count; i++)
 413             if( strcasestr(app->library.item[i].id, search) ||
 414                 strcasestr(app->library.item[i].title, search))
 415                     break;
 416
 417         if(i < app->library.count)
 418         {
 419             fprintf(stderr, "found at pos=%d\n", i);
 420
 421             /* select */
 422             path = gtk_tree_path_new_from_indices(i, -1);
 423             gtk_tree_selection_select_path(gtk_tree_view_get_selection(
 424                 GTK_TREE_VIEW(app->library_grid)), path);
 425             gtk_tree_view_set_cursor(GTK_TREE_VIEW(app->library_grid), path, NULL, FALSE);
 426             gtk_tree_path_free(path);
 427         };
 428     };
 429
 430     pthread_mutex_unlock(&app->library.lock);
 431 };