libmenu/menu_dvbin.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21 #include <dirent.h>
  22 #include <errno.h>
  23 #include <string.h>
  24 #include <sys/types.h>
  25 #include <sys/stat.h>
  26 #include <ctype.h>
  27 #include <unistd.h>
  28 #include <limits.h>
  29
  30
  31 #include "config.h"
  32
  33 #include "m_struct.h"
  34 #include "m_option.h"
  35
  36 #include "libmpcodecs/img_format.h"
  37 #include "libmpcodecs/mp_image.h"
  38
  39 #include "menu.h"
  40 #include "menu_list.h"
  41 #include "input/input.h"
  42 #include "input/keycodes.h"
  43
  44 #include "stream/dvbin.h"
  45
  46
  47
  48 struct list_entry_s {
  49   struct list_entry p;
  50   int num;              //the position of the chosen channel in the list
  51 };
  52
  53 struct menu_priv_s {
  54   menu_list_priv_t p;
  55   char* title;
  56   char* file;
  57   int card;
  58   int level;
  59   int auto_close;
  60   dvb_config_t *config;
  61 };
  62
  63
  64 #define ST_OFF(m) M_ST_OFF(struct menu_priv_s, m)
  65 #define mpriv (menu->priv)
  66
  67 static const m_option_t cfg_fields[] = {
  68   MENU_LIST_PRIV_FIELDS,
  69   { "title", ST_OFF(title), CONF_TYPE_STRING, 0, 0, 0, NULL },
  70   { "auto-close", ST_OFF(auto_close), CONF_TYPE_FLAG, 0, 0, 1, NULL },
  71   { NULL, NULL, NULL, 0,0,0,NULL },
  72 };
  73
  74
  75 static struct menu_priv_s cfg_dflt = {
  76   MENU_LIST_PRIV_DFLT,
  77   "Select a channel: ",
  78   "channels.conf",
  79   0,
  80   0,
  81   1,
  82   NULL,
  83 };
  84
  85
  86
  87
  88 static void free_entry(list_entry_t* entry)
  89 {
  90   free(entry->p.txt);
  91   free(entry);
  92 }
  93
  94
  95 static int fill_channels_menu(menu_t *menu, dvb_channels_list  *dvb_list_ptr)
  96 {
  97         int n;
  98         dvb_channel_t *channel;
  99         list_entry_t* elem;
 100
 101         mpriv->level = 2;
 102         if(dvb_list_ptr == NULL)
 103         {
 104                 mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_set_channel: LIST NULL PTR, quit\n");
 105                 n = 1;
 106                 if((elem = calloc(1, sizeof(list_entry_t))) != NULL)
 107                 {
 108                         elem->p.next    = NULL;
 109                         elem->p.txt     = strdup("There are no channels for this DVB card!");
 110
 111                         menu_list_add_entry(menu, elem);
 112                 }
 113                 return 1;
 114         }
 115         for(n = 0; n < dvb_list_ptr->NUM_CHANNELS; n++)
 116         {
 117                 channel = &(dvb_list_ptr->channels[n]);
 118                 if((elem = calloc(1, sizeof(list_entry_t))) != NULL)
 119                 {
 120                         elem->p.next    = NULL;
 121                         elem->p.txt     = strdup(channel->name);
 122                         elem->num       = n;
 123
 124                         menu_list_add_entry(menu, elem);
 125                 }
 126                 else
 127                 {
 128                         mp_msg(MSGT_DEMUX, MSGL_ERR, "dvb_menu: fill_menu: couldn't malloc %zd bytes for menu item: %s, exit\n",
 129                                         sizeof(list_entry_t), strerror(errno));
 130                         break;
 131                 }
 132         }
 133
 134         return n;
 135 }
 136
 137
 138 static int fill_cards_menu(menu_t *menu, dvb_config_t *conf)
 139 {
 140         int n;
 141         list_entry_t* elem;
 142
 143         for(n = 0; n < conf->count; n++)
 144         {
 145                 if((elem = calloc(1, sizeof(list_entry_t))) != NULL)
 146                 {
 147                         elem->p.next    = NULL;
 148                         elem->p.txt     = strdup(conf->cards[n].name);
 149                         elem->num       = n;
 150
 151                         if(n == 0)
 152                             elem->p.prev = NULL;
 153
 154                         menu_list_add_entry(menu, elem);
 155                 }
 156                 else
 157                 {
 158                         fprintf(stderr, "dvb_menu: fill_menu: couldn't malloc %zd bytes for menu item: %s, exit\n",
 159                                 sizeof(list_entry_t), strerror(errno));
 160                         if(n)
 161                                 return 1;
 162
 163                         return 0;
 164                 }
 165         }
 166
 167         return n;
 168 }
 169
 170
 171 static int fill_menu(menu_t* menu)
 172 {
 173         list_entry_t* elem;
 174         dvb_channels_list  *dvb_list_ptr;
 175
 176         menu_list_init(menu);
 177
 178         if(mpriv->config == NULL)
 179         {
 180                 if((elem = calloc(1, sizeof(list_entry_t))) != NULL)
 181                 {
 182                         elem->p.prev = elem->p.next = NULL;
 183                         elem->p.txt = strdup("NO DVB configuration present!");
 184
 185                         menu_list_add_entry(menu, elem);
 186                         return 1;
 187                 }
 188                 return 0;
 189         }
 190
 191         mpriv->p.title = mpriv->title;
 192         if(mpriv->level == 1 && mpriv->config->count > 1)
 193                 return fill_cards_menu(menu, mpriv->config);
 194         else
 195         {
 196                 dvb_list_ptr = mpriv->config->cards[mpriv->card].list;
 197                 return fill_channels_menu(menu, dvb_list_ptr);
 198         }
 199 }
 200
 201
 202 static void read_cmd(menu_t* menu, int cmd)
 203 {
 204   list_entry_t *elem;
 205   mp_cmd_t* c;
 206   char *cmd_name;
 207   switch(cmd)
 208   {
 209         case MENU_CMD_RIGHT:
 210         case MENU_CMD_OK:
 211         {
 212                 elem = mpriv->p.current;
 213
 214                 if(mpriv->level == 1)
 215                 {
 216                         mpriv->card = mpriv->p.current->num;
 217                         mpriv->level = 2;
 218                         menu_list_uninit(menu, free_entry);
 219                         fill_menu(menu);
 220                 }
 221                 else
 222                 {
 223                         dvb_priv_t *dvbp = (dvb_priv_t*) mpriv->config->priv;
 224                         cmd_name = malloc(25 + strlen(elem->p.txt));
 225                         if(dvbp != NULL)
 226                                 sprintf(cmd_name, "dvb_set_channel %d %d", elem->num, mpriv->card);
 227                         else
 228                                 sprintf(cmd_name, "loadfile 'dvb://%d@%s'", mpriv->card+1, elem->p.txt);
 229
 230                         c = mp_input_parse_cmd(cmd_name);
 231                         free(cmd_name);
 232                         if(c)
 233                         {
 234                                 if(mpriv->auto_close)
 235                                     mp_input_queue_cmd(menu->input_ctx, mp_input_parse_cmd ("menu hide"));
 236                                 mp_input_queue_cmd(menu->input_ctx, c);
 237                         }
 238                 }
 239         }
 240         break;
 241
 242         case MENU_CMD_LEFT:
 243         case MENU_CMD_CANCEL:
 244         {
 245                 elem = mpriv->p.current;
 246
 247                 menu_list_uninit(menu, free_entry);
 248                 if(mpriv->config->count > 1)
 249                         mpriv->level--;
 250                 else
 251                         mpriv->level = 0;
 252
 253                 if(mpriv->level > 0)
 254                 {
 255                         fill_menu(menu);
 256                         break;
 257                 }
 258         }
 259
 260         default:
 261         menu_list_read_cmd(menu, cmd);
 262   }
 263 }
 264
 265
 266 static void close_menu(menu_t* menu)
 267 {
 268         dvb_free_config(mpriv->config);
 269         menu_list_uninit(menu, free_entry);
 270 }
 271
 272
 273 static int open_dvb_sel(menu_t* menu, char* args)
 274 {
 275         mpriv->config = dvb_get_config();
 276         if(mpriv->config == NULL)
 277                 return 0;
 278
 279         menu->draw              = menu_list_draw;
 280         menu->read_cmd  = read_cmd;
 281         menu->close     = close_menu;
 282
 283         mpriv->card = 0;
 284         mpriv->level = 1;
 285         return fill_menu(menu);
 286 }
 287
 288 const menu_info_t menu_info_dvbsel =
 289 {
 290   "DVB channels menu",  //descr
 291   "dvbsel",                                             //name
 292   "Nico",                                               //author
 293   "dvb_sel",
 294   {                                                             //m_struct_t priv_st=
 295     "dvb_cfg",                                  //name
 296     sizeof(struct menu_priv_s),                 //size
 297     &cfg_dflt,                                  //defaults
 298     cfg_fields                                  //settable fields
 299   },
 300   open_dvb_sel                                  //open function
 301 };