src/tv.c

   1 /*
   2  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <stdio.h>
  18 #include <app.h>
  19 #include <iconv.h>
  20 #include <math.h>
  21 #include <app_debug.h>
  22 #include <app_contents.h>
  23
  24 #include <tv_service_proxy.h>
  25 #include <tv_service_proxy_epg.h>
  26
  27 #include <glib.h>
  28 #include <glib-object.h>
  29
  30 #include "define.h"
  31 #include "tv.h"
  32
  33 #define DEFAULT_SERVICE 1
  34
  35 /**
  36  * The Storage structure to used by tv related functions and events.
  37  */
  38 struct _tv_info {
  39         /**< The handle to use tv service live api. */
  40         TvServiceLive live_svc;
  41         /**< The handle to use tv service epg api. */
  42         TvServiceEpg epg_svc;
  43
  44         /**< Stores service id if tune to locked channel was succeeded. */
  45         int viewing_locked_channel;
  46
  47         /**< The function pointer to pass tv signal event */
  48         void (*signal_cb)(void *data, int is_signal);
  49         /**< An Additional data to passed to tv signal event */
  50         void *signal_cb_data;
  51 };
  52
  53 static struct _tv_info g_tv_info;
  54
  55 /**
  56  * Gets the tv_channel_info with supplied TvServiceChannel.
  57  *
  58  * Abstracts tv service data structure.
  59  *
  60  * @param channel The channel data defined by tv service
  61  * @return Channel information, or NULL if fails
  62  */
  63 static struct tv_channel_info *_tv_channel_get_info(TvServiceChannel *channel)
  64 {
  65         struct tv_channel_info *channel_info = NULL;
  66
  67         if (!channel) {
  68                 _ERR("failed to get channel");
  69                 return NULL;
  70         }
  71
  72         channel_info = calloc(1, sizeof(*channel_info));
  73         if (!channel_info) {
  74                 _ERR("failed to calloc channel info");
  75                 return NULL;
  76         }
  77
  78         channel_info->service_id = channel->service_id;
  79         channel_info->channel_major = channel->major;
  80         channel_info->channel_minor = channel->minor;
  81         channel_info->channel_type = channel->channel_type;
  82         channel_info->locked = channel->locked;
  83         channel_info->digital = channel->digital;
  84         channel_info->favorite = channel->favorite;
  85         channel_info->remembered = channel->remembered;
  86         strncpy(channel_info->channel_name, channel->program_name,
  87                 CHANNEL_NAME_MAX);
  88
  89         if (channel->service_id == g_tv_info.viewing_locked_channel)
  90                 channel_info->tune_locked = EINA_TRUE;
  91
  92         return channel_info;
  93 }
  94
  95 /**
  96  * Clones the tv_channel_info.
  97  *
  98  * @param channel_info tv_channel_info pointer to be cloned
  99  * @return Channel information, or NULL if fails
 100  */
 101 const struct tv_channel_info *tv_channel_clone_info(
 102                 const struct tv_channel_info *channel_info)
 103 {
 104         struct tv_channel_info *new_channel_info = NULL;
 105
 106         if (!channel_info) {
 107                 _ERR("failed to get channel info");
 108                 return NULL;
 109         }
 110
 111         new_channel_info = calloc(1, sizeof(*channel_info));
 112         if (!new_channel_info) {
 113                 _ERR("failed to calloc channel info");
 114                 return NULL;
 115         }
 116
 117         memcpy(new_channel_info, channel_info, sizeof(*new_channel_info));
 118
 119         return new_channel_info;
 120 }
 121
 122 /**
 123  * Frees the tv_channel_info.
 124  *
 125  * @param channel_info tv_channel_info pointer to be freed
 126  */
 127 void tv_channel_del_info(const struct tv_channel_info *channel_info)
 128 {
 129         if (!channel_info) {
 130                 _ERR("failed to get channel info");
 131                 return;
 132         }
 133
 134         free((void *)channel_info);
 135 }
 136
 137 /**
 138  * Gets current channel's TvServiceChannel data from tv service.
 139  *
 140  * @param channel The pointer to store TvServiceChannel
 141  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 142  */
 143 static int _tv_get_channel(TvServiceChannel *channel)
 144 {
 145         gint svc_id;
 146         int r;
 147
 148         if (!g_tv_info.live_svc) {
 149                 _ERR("failed to get live service");
 150                 return -1;
 151         }
 152
 153         r = tv_service_live_get_service_id(g_tv_info.live_svc, &svc_id);
 154         if (r < 0) {
 155                 _ERR("failed to get service id");
 156                 return -1;
 157         }
 158
 159         r = tv_service_get_channel(svc_id, channel);
 160         if (r < 0) {
 161                 _ERR("failed to get channel");
 162                 return -1;
 163         }
 164
 165         return 0;
 166 }
 167
 168 /**
 169  * Returns current channel's info.
 170  *
 171  * tv_channel_get_info retrieves current channel's information
 172  * from tv service.
 173  *
 174  * @return Returns current channel info, or NULL if fails
 175  */
 176 const struct tv_channel_info *tv_channel_get_info(void)
 177 {
 178         const struct tv_channel_info *channel_info;
 179         TvServiceChannel channel;
 180         int r;
 181
 182         r = _tv_get_channel(&channel);
 183         if (r < 0) {
 184                 _ERR("failed to get channel");
 185                 return NULL;
 186         }
 187
 188         channel_info = _tv_channel_get_info(&channel);
 189
 190         return channel_info;
 191 }
 192
 193 /**
 194  * Returns tv_program_info with supplied TvServiceEpgEventData.
 195  *
 196  * Abstracts tv service data structure.
 197  *
 198  * @param prog TvServiceEpgEventData passed from tv service
 199  * @return Returns tv_program_info, or NULL if fails
 200  */
 201 static struct tv_program_info *_tv_get_program_info(TvServiceEpgEventData *prog)
 202 {
 203         struct tv_program_info *prog_info;
 204
 205         prog_info = calloc(1, sizeof(*prog_info));
 206         if (!prog_info) {
 207                 _ERR("failed to calloc program info");
 208                 return NULL;
 209         }
 210
 211         prog_info->service_id = prog->service_id;
 212         prog_info->start_time = prog->start_time;
 213         prog_info->end_time = prog->start_time + prog->length_in_seconds;
 214         prog_info->duration = prog->length_in_seconds;
 215         prog_info->current_time = prog->current_time;
 216         strncpy(prog_info->prog_title, (char *)prog->title_text,
 217                         sizeof(prog_info->prog_title) - 1);
 218         strncpy(prog_info->prog_description, (char *)prog->extended_text,
 219                         sizeof(prog_info->prog_description) - 1);
 220
 221         return prog_info;
 222 }
 223
 224 /**
 225  * Gets current channel's service id from tv service.
 226  *
 227  * @param service_id The pointer to store service id
 228  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 229  */
 230 int tv_get_current_service_id(int *service_id)
 231 {
 232         int r;
 233
 234         if (!g_tv_info.live_svc) {
 235                 _ERR("failed to get live service");
 236                 return -1;
 237         }
 238
 239         r = tv_service_live_get_service_id(g_tv_info.live_svc, service_id);
 240         if (r != TVS_ERROR_OK) {
 241                 _ERR("failed to get current service info");
 242                 return -1;
 243         }
 244
 245         return 0;
 246 }
 247
 248 /**
 249  * Frees epg list.
 250  *
 251  * @param epg_list Eina_List to be freed
 252  */
 253 static void _tv_epg_del_list(Eina_List *epg_list)
 254 {
 255         struct tv_program_info *data;
 256
 257         EINA_LIST_FREE(epg_list, data)
 258                 free(data);
 259 }
 260
 261 /**
 262  * Callback function to get EPG program list from tv service.
 263  *
 264  * _tv_epg_event_cb is called from tv service when banner
 265  * have requested to get program data.
 266  * If this function is called, then derives program list from epg_list
 267  * and calls banner's callback function which included in user_data.
 268  *
 269  * @param type Event type
 270  * @param epg_list EPG program list
 271  * @param user_data tv_program_request to handle request
 272  */
 273 static void _tv_epg_event_cb(tvs_epg_event_e type, GList *epg_list,
 274                 void *user_data)
 275 {
 276         int i;
 277         Eina_List *list = NULL;
 278         TvServiceEpgEventData *epg_data;
 279         struct tv_program_info *prog_info;
 280         struct tv_program_request *request;
 281
 282         if (!user_data) {
 283                 _ERR("failed to get user_data");
 284                 return;
 285         }
 286
 287         for (i = 0; i < g_list_length(epg_list); i++) {
 288                 epg_data = (TvServiceEpgEventData *)
 289                                 g_list_nth_data(epg_list, i);
 290
 291                 if (!epg_data)
 292                         continue;
 293
 294                 prog_info = _tv_get_program_info(epg_data);
 295                 if (prog_info)
 296                         list = eina_list_append(list, prog_info);
 297         }
 298
 299         request = (struct tv_program_request *) user_data;
 300         if (request->tv_program_cb)
 301                 request->tv_program_cb(list, request->user_data);
 302
 303         if (list)
 304                 _tv_epg_del_list(list);
 305
 306         free(request);
 307 }
 308
 309 /**
 310  * Send a request to tv service to get a current program with supplied service_id.
 311  *
 312  * Beware that service_id should be current tuned channel.
 313  * If not, calling this function may cause unexpected behavior.
 314  * And note that get a EPG program is asynchronous operation.
 315  * So tv_program_request should be supplied to get a result from tv service.
 316  *
 317  * @param service_id The channel id to get current program
 318  * @param request The structure for return program data which contains function pointer
 319  *        and additional data for banner
 320  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 321  */
 322 int tv_epg_get_program(int service_id, struct tv_program_request *request)
 323 {
 324         int r;
 325
 326         if (!g_tv_info.epg_svc) {
 327                 _ERR("failed to get epg service");
 328                 return -1;
 329         }
 330
 331         if (!request) {
 332                 _ERR("failed to get tv_program_request");
 333                 return -1;
 334         }
 335
 336         r = tv_service_epg_get_current_program(g_tv_info.epg_svc, service_id,
 337                         (TvServiceEpgCallback) _tv_epg_event_cb, request);
 338         if (r != TVS_ERROR_OK) {
 339                 _ERR("failed to get epg get current program : %d", service_id);
 340                 free(request);
 341                 return -1;
 342         }
 343
 344         return 0;
 345 }
 346
 347 /**
 348  * Gets a cached current program with supplied service_id from tv service.
 349  *
 350  * Note that this function is vaild only when tv service having a cached data
 351  * on that channel.
 352  * To have a cached data, the channel ever been tuned before calling
 353  * this function.
 354  *
 355  * @param service_id The channel id to get current program
 356  * @param request The structure for return program data which contains
 357  *        function pointer and additional data for banner
 358  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 359  */
 360 int tv_epg_get_cache_program(int service_id, struct tv_program_request *request)
 361 {
 362         Eina_List *list = NULL;
 363         TvServiceEpgEventData epg_data;
 364         struct tv_program_info *prog_info;
 365
 366         int r;
 367
 368         if (!g_tv_info.epg_svc) {
 369                 _ERR("failed to get epg service");
 370                 return -1;
 371         }
 372
 373         if (!request) {
 374                 _ERR("failed to get tv_program_request");
 375                 return -1;
 376         }
 377
 378         r = tv_service_epg_get_cache_current_program(
 379                         g_tv_info.epg_svc, service_id, &epg_data);
 380         if (r != TVS_ERROR_OK) {
 381                 _ERR("failed to get epg get cached current program : %d",
 382                                 service_id);
 383                 return -1;
 384         }
 385
 386         prog_info = _tv_get_program_info(&epg_data);
 387         if (prog_info)
 388                 list = eina_list_append(list, prog_info);
 389
 390         if (request->tv_program_cb)
 391                 request->tv_program_cb(list, request->user_data);
 392
 393         if (list)
 394                 _tv_epg_del_list(list);
 395
 396         free(request);
 397
 398         return 0;
 399 }
 400
 401 /**
 402  * Sends a request to tv service to get programs with supplied service_id.
 403  *
 404  * Beware that service_id should be current tuned channel.
 405  * If not, calling this function may cause unexpected behavior.
 406  * And note that get a EPG program is asynchronous operation.
 407  * So tv_program_request should be supplied to get a result from tv service.
 408  *
 409  * @param service_id The channel id to get current program
 410  * @param request The structure for return program data which contains function pointer and additional data for banner
 411  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 412  */
 413 int tv_epg_get_program_list(int service_id,
 414                 struct tv_program_request *request)
 415 {
 416         int r;
 417
 418         if (!g_tv_info.epg_svc) {
 419                 _ERR("failed to get epg service");
 420                 return -1;
 421         }
 422
 423         if (!request) {
 424                 _ERR("failed to get tv_program_request");
 425                 return -1;
 426         }
 427
 428         r = tv_service_epg_get_program_list(g_tv_info.epg_svc, service_id,
 429                         TVS_EPG_CURRENT_TIME, EPG_PROGRAM_OFFSET,
 430                         (TvServiceEpgCallback) _tv_epg_event_cb, request);
 431         if (r != TVS_ERROR_OK) {
 432                 _ERR("failed to get epg get current program");
 433                 return -1;
 434         }
 435
 436         return 0;
 437 }
 438
 439 /**
 440  * Frees the TvServiceFilterNode.
 441  *
 442  * @param data TvServiceFilterNode pointer to be freed
 443  */
 444 static void _tv_channel_free_filter(gpointer data)
 445 {
 446         TvServiceFilterNode *filter_node;
 447
 448         if (!data)
 449                 return;
 450
 451         filter_node = (TvServiceFilterNode *) data;
 452
 453         g_value_unset(filter_node->value);
 454         g_free(filter_node->value);
 455         g_free(filter_node);
 456 }
 457
 458 /**
 459  * Gets a available channel list.
 460  *
 461  * Note that deleted channels and service channels are excluded by default.
 462  *
 463  * @return Available channel list, or NULL if fails
 464  */
 465 Eina_List *tv_channel_get_list()
 466 {
 467         GList *tvs_list = NULL;
 468         Eina_List *channel_list = NULL;
 469         TvServiceChannel *tvs_data = NULL;
 470         const struct tv_channel_info *channel_info;
 471         int r, i;
 472
 473         r = tv_service_get_channel_list(
 474                         TV_SERVICE_CHANNEL_MODE_DIGITAL_ANALOG,
 475                         TV_SERVICE_ANTENNA_TYPE_ALL, &tvs_list);
 476         if (r != TVS_ERROR_OK) {
 477                 _ERR("failed to get channel list");
 478                 return NULL;
 479         }
 480
 481         for (i = 0; i < g_list_length(tvs_list); i++) {
 482                 tvs_data = (TvServiceChannel *) g_list_nth_data(tvs_list, i);
 483                 if (tvs_data) {
 484                         channel_info = _tv_channel_get_info(tvs_data);
 485                         if (channel_info)
 486                                 channel_list = eina_list_append(channel_list,
 487                                                 channel_info);
 488                         free(tvs_data);
 489                 }
 490         }
 491
 492         return channel_list;
 493 }
 494
 495 TvServiceFilterNode *_tv_channel_get_filter(
 496                 TvServiceChannelDataAttr attribute, int type, void *data)
 497 {
 498         TvServiceFilterNode *filter;
 499         GValue *value;
 500
 501         filter = g_malloc0(sizeof(*filter));
 502         if (!filter)
 503                 return NULL;
 504
 505         filter->attribute = attribute;
 506
 507         value = g_malloc0(sizeof(GValue));
 508         if (!value) {
 509                 g_free(filter);
 510                 return NULL;
 511         }
 512
 513         switch (type) {
 514         case G_TYPE_STRING:
 515                 g_value_init(value, G_TYPE_STRING);
 516                 g_value_set_string(value, data);
 517
 518                 filter->match_type = CHANNEL_FILTER_MATCH_CONTAIN;
 519                 break;
 520         case G_TYPE_INT:
 521                 g_value_init(value, G_TYPE_INT);
 522                 g_value_set_int(value, (gint) data);
 523
 524                 filter->match_type = CHANNEL_FILTER_MATCH_EQUAL;
 525                 break;
 526         }
 527         filter->value = value;
 528
 529         return filter;
 530 }
 531
 532 /**
 533  * Search channels that are starts with supplied major and minor number.
 534  *
 535  * Note that deleted channels and service channels are excluded by default.
 536  *
 537  * @param major Major channel number to search
 538  * @param minor Minor channel number to search
 539  * @return Found channel list, or NULL if fails
 540  */
 541 Eina_List *tv_channel_search_by_number(long major, long minor)
 542 {
 543         char buf[CHANNEL_FILTER_STRING_MAX_LEN];
 544         GList *tvs_list = NULL, *filter = NULL;
 545         TvServiceFilterNode *filter_node;
 546         TvServiceChannel *tvs_data;
 547         Eina_List *channel_list = NULL;
 548         const struct tv_channel_info *channel_info;
 549         int i, r;
 550
 551         if (major > 0 && major < MAJOR_MAX) {
 552                 snprintf(buf, CHANNEL_FILTER_STRING_MAX_LEN, "%ld", major);
 553
 554                 filter_node = _tv_channel_get_filter(
 555                                 TV_SERVICE_CHANNEL_DATA_MAJOR_NUMBER,
 556                                 G_TYPE_STRING, buf);
 557                 if (filter_node)
 558                         filter = g_list_append(filter, (gpointer)filter_node);
 559         }
 560
 561         if (minor > 0 && minor < MINOR_MAX) {
 562                 snprintf(buf, CHANNEL_FILTER_STRING_MAX_LEN, "%ld", minor);
 563
 564                 filter_node = _tv_channel_get_filter(
 565                                 TV_SERVICE_CHANNEL_DATA_MINOR_NUMBER,
 566                                 G_TYPE_STRING, buf);
 567                 if (filter_node)
 568                         filter = g_list_append(filter, (gpointer)filter_node);
 569         }
 570
 571         if (!filter) {
 572                 _ERR("failed to get filter");
 573                 return NULL;
 574         }
 575
 576         r = tv_service_get_channel_list_ex(
 577                         TV_SERVICE_CHANNEL_MODE_ALL_DIGITAL_ANALOG,
 578                         TV_SERVICE_ANTENNA_TYPE_ALL, &tvs_list, filter, 0);
 579         if (r != TVS_ERROR_OK) {
 580                 _ERR("failed to get channel list");
 581                 goto free;
 582         }
 583
 584         for (i = 0; i < g_list_length(tvs_list); i++) {
 585                 tvs_data = (TvServiceChannel *) g_list_nth_data(tvs_list, i);
 586                 if (!tvs_data)
 587                         continue;
 588
 589                 channel_info = _tv_channel_get_info(tvs_data);
 590                 if (channel_info)
 591                         channel_list = eina_list_append(channel_list,
 592                                         channel_info);
 593                 free(tvs_data);
 594         }
 595
 596 free:
 597         if (tvs_list)
 598                 g_list_free(tvs_list);
 599
 600         g_list_foreach(filter, (GFunc) _tv_channel_free_filter, NULL);
 601         g_list_free(filter);
 602
 603         return channel_list;
 604 }
 605
 606 /**
 607  * Frees the tv_channel_info.
 608  *
 609  * @param channel_list channel_list pointer to be freed
 610  */
 611 void tv_channel_del_list(Eina_List *channel_list)
 612 {
 613         struct tv_channel_info *data;
 614
 615         EINA_LIST_FREE(channel_list, data)
 616                 free(data);
 617 }
 618
 619 void _tv_channel_add_history(int service_id)
 620 {
 621         char buf[128];
 622
 623         snprintf(buf, sizeof(buf), "%d", service_id);
 624         app_contents_recent_add(CONTENTS_CHANNEL, buf);
 625 }
 626
 627 /**
 628  * Tunes to specific channel with service id.
 629  *
 630  * @param service_id The channel id
 631  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 632  */
 633 int tv_channel_tune_with_service_id(int service_id)
 634 {
 635         int r;
 636
 637         if (!g_tv_info.live_svc) {
 638                 _ERR("failed to get live service");
 639                 return -1;
 640         }
 641
 642         r = tv_service_live_tune(g_tv_info.live_svc, service_id);
 643         if (r != TVS_ERROR_OK) {
 644                 _ERR("failed to set service");
 645                 return -1;
 646         }
 647
 648         _tv_channel_add_history(service_id);
 649
 650         g_tv_info.viewing_locked_channel = -1;
 651
 652         return 0;
 653 }
 654
 655 /**
 656  * Tunes to last viewed channel.
 657  *
 658  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 659  */
 660 int tv_channel_tune(void)
 661 {
 662         int service_id;
 663         int r;
 664
 665         if (!g_tv_info.live_svc) {
 666                 _ERR("failed to get live service");
 667                 return -1;
 668         }
 669
 670         r = tv_service_live_get_last_channel(&service_id);
 671         if (r < 0 || service_id < 1) {
 672                 _ERR("failed to get current service id");
 673                 service_id = DEFAULT_SERVICE;
 674         }
 675
 676         r = tv_service_live_tune(g_tv_info.live_svc, service_id);
 677         if (r != TVS_ERROR_OK) {
 678                 _ERR("failed to set service");
 679                 return -1;
 680         }
 681
 682         _tv_channel_add_history(service_id);
 683
 684         g_tv_info.viewing_locked_channel = -1;
 685
 686         return 0;
 687 }
 688
 689 /**
 690  * Tunes to specific channel with major and minor.
 691  *
 692  * @param service_id The channel id
 693  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 694  */
 695 int tv_channel_direct_tune(long major, long minor)
 696 {
 697         GList *tvs_list = NULL, *filter = NULL;
 698         TvServiceFilterNode *filter_node;
 699         TvServiceChannel *tvs_data;
 700         int r;
 701
 702         if (major > 0 && major < MAJOR_MAX) {
 703                 filter_node = _tv_channel_get_filter(
 704                                 TV_SERVICE_CHANNEL_DATA_MAJOR_NUMBER,
 705                                 G_TYPE_INT, (void *) major);
 706                 if (filter_node)
 707                         filter = g_list_append(filter, (gpointer)filter_node);
 708         }
 709
 710         if (minor > 0 && minor < MINOR_MAX) {
 711                 filter_node = _tv_channel_get_filter(
 712                                 TV_SERVICE_CHANNEL_DATA_MINOR_NUMBER,
 713                                 G_TYPE_INT, (void *) minor);
 714                 if (filter_node)
 715                         filter = g_list_append(filter, (gpointer)filter_node);
 716         }
 717
 718         if (!filter) {
 719                 _ERR("failed to get filter");
 720                 return -1;
 721         }
 722
 723         r = tv_service_get_channel_list_ex(
 724                         TV_SERVICE_CHANNEL_MODE_ALL_DIGITAL_ANALOG,
 725                         TV_SERVICE_ANTENNA_TYPE_ALL, &tvs_list, filter, 0);
 726         if (r != TVS_ERROR_OK)
 727                 goto free;
 728
 729         tvs_data = (TvServiceChannel *) g_list_nth_data(tvs_list, 0);
 730         if (tvs_data)
 731                 r = tv_channel_tune_with_service_id(tvs_data->service_id);
 732         else {
 733                 _ERR("failed to get tvs_data");
 734                 r = -1;
 735         }
 736
 737         if (r == TVS_ERROR_OK)
 738                 g_tv_info.viewing_locked_channel = -1;
 739
 740         g_list_foreach(tvs_list, (GFunc) g_free, NULL);
 741         g_list_free(tvs_list);
 742
 743 free:
 744         g_list_foreach(filter, (GFunc) _tv_channel_free_filter, NULL);
 745         g_list_free(filter);
 746
 747         return r;
 748 }
 749
 750 /**
 751  * Tunes to locked channel.
 752  *
 753  * @param service_id The channel id
 754  * @param password 4 digit password
 755  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 756  */
 757 int tv_channel_tune_locked_channel(int service_id, char *password)
 758 {
 759         int r;
 760
 761         if (!g_tv_info.live_svc) {
 762                 _ERR("failed to get live service");
 763                 return -1;
 764         }
 765
 766         r = tv_service_live_tune_locked_channel(g_tv_info.live_svc,
 767                         service_id, password);
 768         if (r != TVS_ERROR_OK) {
 769                 _ERR("failed to set service");
 770                 return -1;
 771         }
 772
 773         _tv_channel_add_history(service_id);
 774
 775         g_tv_info.viewing_locked_channel = service_id;
 776
 777         return 0;
 778 }
 779
 780 /**
 781  * Tunes to next channel.
 782  *
 783  * Note that deleted channels and service channels will skipped.
 784  *
 785  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 786  */
 787 int tv_channel_next(void)
 788 {
 789         TvServiceAntenna antenna_type;
 790         int service_id, r;
 791
 792         if (!g_tv_info.live_svc) {
 793                 _ERR("failed to get live service");
 794                 return -1;
 795         }
 796
 797         r = tv_service_live_get_antenna_type(g_tv_info.live_svc, &antenna_type);
 798         if (r < 0) {
 799                 _ERR("failed to get antenna type");
 800                 return -1;
 801         }
 802
 803         r = tv_service_live_tune_up(g_tv_info.live_svc,
 804                         TV_SERVICE_CHANNEL_MODE_DIGITAL_ANALOG, antenna_type);
 805         if (r < 0) {
 806                 _ERR("failed to tune up");
 807                 return -1;
 808         }
 809
 810         g_tv_info.viewing_locked_channel = -1;
 811
 812         r = tv_service_live_get_service_id(g_tv_info.live_svc, &service_id);
 813         if (r < 0) {
 814                 _ERR("failed to get service id");
 815                 return -1;
 816         }
 817
 818         _tv_channel_add_history(service_id);
 819
 820         return 0;
 821 }
 822
 823 /**
 824  * Tunes to previous channel.
 825  *
 826  * Note that deleted channels and service channels will skipped.
 827  *
 828  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 829  */
 830 int tv_channel_prev(void)
 831 {
 832         TvServiceAntenna antenna_type;
 833         int service_id, r;
 834
 835         if (!g_tv_info.live_svc) {
 836                 _ERR("failed to get live service");
 837                 return -1;
 838         }
 839
 840         r = tv_service_live_get_antenna_type(g_tv_info.live_svc, &antenna_type);
 841         if (r < 0) {
 842                 _ERR("failed to get antenna type");
 843                 return -1;
 844         }
 845
 846         r = tv_service_live_tune_down(g_tv_info.live_svc,
 847                         TV_SERVICE_CHANNEL_MODE_DIGITAL_ANALOG, antenna_type);
 848         if (r < 0) {
 849                 _ERR("failed to tune down");
 850                 return -1;
 851         }
 852
 853         g_tv_info.viewing_locked_channel = -1;
 854
 855         r = tv_service_live_get_service_id(g_tv_info.live_svc, &service_id);
 856         if (r < 0) {
 857                 _ERR("failed to get service id");
 858                 return -1;
 859         }
 860
 861         _tv_channel_add_history(service_id);
 862
 863         return 0;
 864 }
 865
 866 /**
 867  * Sets the channel's favorite status.
 868  *
 869  * @param service_id The channel id
 870  * @param flag The value to be set
 871  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 872  */
 873 int tv_channel_set_favorite(int service_id, Eina_Bool flag)
 874 {
 875         int r;
 876
 877         if (flag) {
 878                 r = tv_service_add_favorite_channel(service_id);
 879                 if (r < 0) {
 880                         _ERR("failed to add favorite channel");
 881                         return -1;
 882                 }
 883         } else {
 884                 r = tv_service_delete_favorite_channel(service_id);
 885                 if (r < 0) {
 886                         _ERR("failed to delete favorite channel");
 887                         return -1;
 888                 }
 889         }
 890
 891         return 0;
 892 }
 893
 894 /**
 895  * Adds the channel.
 896  *
 897  * If channel is added, the channel will be included at
 898  * tv_channel_next, tv_channel_prev and tv_channel_get_list.
 899  *
 900  * @param service_id The channel id
 901  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 902  */
 903 int tv_channel_add_channel(int service_id)
 904 {
 905         int r;
 906
 907         r = tv_service_add_channel(service_id);
 908         if (r < 0) {
 909                 _ERR("failed to add channel");
 910                 return -1;
 911         }
 912
 913         return 0;
 914 }
 915
 916 /**
 917  * Deletes the channel.
 918  *
 919  * If channel is deleted, the channel will be omitted at
 920  * tv_channel_next, tv_channel_prev and tv_channel_get_list.
 921  *
 922  * @param service_id The channel id
 923  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 924  */
 925 int tv_channel_del_channel(int service_id)
 926 {
 927         int r;
 928
 929         r = tv_service_delete_channel(service_id);
 930         if (r < 0) {
 931                 _ERR("failed to delete channel");
 932                 return -1;
 933         }
 934
 935         return 0;
 936 }
 937
 938 /**
 939  * Locks the channel.
 940  *
 941  * @param service_id The channel id
 942  * @param password 4 digits password
 943  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 944  */
 945 int tv_channel_lock_channel(int service_id, char *password)
 946 {
 947         int r;
 948
 949         r = tv_service_lock_channel(service_id, password);
 950         if (r < 0) {
 951                 _ERR("failed to lock channel");
 952                 return -1;
 953         }
 954
 955         return 0;
 956 }
 957
 958 /**
 959  * Unlocks the channel.
 960  *
 961  * @param service_id The channel id
 962  * @param password 4 digits password
 963  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
 964  */
 965 int tv_channel_unlock_channel(int service_id, char *password)
 966 {
 967         int r;
 968
 969         r = tv_service_unlock_channel(service_id, password);
 970         if (r < 0) {
 971                 _ERR("failed to unlock channel");
 972                 return -1;
 973         }
 974
 975         return 0;
 976 }
 977
 978 /**
 979  * Callback function for receives tv service events.
 980  *
 981  * @param event Event type
 982  * @param user_data Not in use
 983  * @param data Event specific detailed data
 984  */
 985 void _tv_service_event_cb(TvServiceLiveEvent event,
 986                 gpointer user_data, const gpointer data)
 987 {
 988         gboolean *lock_status;
 989
 990         switch (event) {
 991         case TV_SERVICE_LIVE_EVENT_TUNER_LOCK:
 992                 if (!data) {
 993                         _ERR("failed to get data");
 994                         break;
 995                 }
 996
 997                 lock_status = (gboolean *) data;
 998                 if (g_tv_info.signal_cb)
 999                         g_tv_info.signal_cb(g_tv_info.signal_cb_data,
1000                                         *lock_status);
1001                 break;
1002         case TV_SERVICE_LIVE_EVENT_AUTO_DESTROY:
1003                 g_tv_info.live_svc = NULL;
1004                 break;
1005         case TV_SERVICE_LIVE_EVENT_RESOLUTION:
1006         case TV_SERVICE_LIVE_EVENT_BEGIN:
1007         case TV_SERVICE_LIVE_EVENT_CHANNEL_LOCK:
1008         case TV_SERVICE_LIVE_EVENT_CHANNEL_UNLOCK:
1009                 break;
1010         }
1011 }
1012
1013 /**
1014  * Sets tv signal callback function.
1015  *
1016  * @param cb The function pointer to get callback
1017  * @param data An Additional data to passed to callback
1018  */
1019 void tv_signal_cb_set(void (*cb)(void *data, int is_signal), void *data)
1020 {
1021         g_tv_info.signal_cb = cb;
1022         g_tv_info.signal_cb_data = data;
1023 }
1024
1025 /**
1026  * Sets window id for tv overlay.
1027  *
1028  * @param window_id The window id to overlay
1029  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
1030  */
1031 int tv_overlay_set(void *window_id)
1032 {
1033         int r;
1034
1035         if (!g_tv_info.live_svc) {
1036                 _ERR("failed to get live service");
1037                 return -1;
1038         }
1039
1040         r = tv_service_live_set_window_overlay(g_tv_info.live_svc, window_id);
1041         if (r < 0) {
1042                 _ERR("failed to set overlay");
1043                 return -1;
1044         }
1045
1046         return 0;
1047 }
1048
1049 /**
1050  * Destory the tv service handles.
1051  *
1052  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
1053  */
1054 int tv_destroy(void)
1055 {
1056         int r;
1057
1058         if (g_tv_info.live_svc)
1059                 g_tv_info.live_svc = NULL;
1060
1061         r = tv_service_channel_info_destroy();
1062         if (r < 0)
1063                 _ERR("failed to destroy channel info service");
1064
1065         if (g_tv_info.epg_svc) {
1066                 r = tv_service_epg_destroy(g_tv_info.epg_svc);
1067                 if (r != 0)
1068                         _ERR("failed to destroy epg service");
1069                 g_tv_info.epg_svc = NULL;
1070         }
1071
1072         return 0;
1073 }
1074
1075 /**
1076  * Create the tv service handles.
1077  *
1078  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
1079  */
1080 int tv_create(void)
1081 {
1082         int r;
1083
1084         r = tv_service_live_create(&g_tv_info.live_svc);
1085         if (r != TVS_ERROR_OK) {
1086                 _ERR("failed to create live service");
1087                 goto err;
1088         }
1089
1090         r = tv_service_live_register_callback(g_tv_info.live_svc,
1091                         _tv_service_event_cb, NULL);
1092         if (r != TVS_ERROR_OK) {
1093                 _ERR("failed to register live callback");
1094                 goto err;
1095         }
1096
1097         r = tv_service_channel_info_create();
1098         if (r != TVS_ERROR_OK) {
1099                 _ERR("failed to create channel info service");
1100                 goto err;
1101         }
1102
1103         r = tv_service_epg_create(&g_tv_info.epg_svc);
1104         if (r != TVS_ERROR_OK) {
1105                 _ERR("failed to create epg service");
1106                 goto err;
1107         }
1108
1109         return 0;
1110 err:
1111         tv_destroy();
1112         return -1;
1113 }
1114
1115 /**
1116  * Pause the tv service handles.
1117  *
1118  * @return If the operation was sucessful 0 is returned; otherwise negative value is returned
1119  */
1120 int tv_pause(void)
1121 {
1122         int r;
1123
1124         if (g_tv_info.live_svc) {
1125                 r = tv_service_live_tune_pause(g_tv_info.live_svc);
1126                 if (r != TVS_ERROR_OK)
1127                         _ERR("failed to pause live service");
1128         }
1129
1130         return 0;
1131 }
1132
1133 /**
1134  * Resume the tv service handles.
1135  *
1136  * Live service could be destroyed by tv service while app is pausing.
1137  * If live service is destroyed, then _tv_service_event_cb sets
1138  * g_tv_info.live_svc to NULL.
1139  * So if g_tv_info.live_svc is NULL, then recreates live service and returns 1.
1140  * Therefore, if tv_resume returns 1, then app needs to be set overlay and tune.
1141  * Or returns 0, then app just needs to set overlay.
1142  *
1143  * @return 0 if successful; 1 if live service was destroyed; otherwise negative value is returned
1144  */
1145 int tv_resume(void)
1146 {
1147         int r;
1148
1149         if (!g_tv_info.live_svc) {
1150                 r = tv_service_live_create(&g_tv_info.live_svc);
1151                 if (r != TVS_ERROR_OK) {
1152                         _ERR("failed to create live service");
1153                         goto err;
1154                 } else {
1155                         return 1;
1156                 }
1157         }
1158
1159         r = tv_service_live_tune_resume(g_tv_info.live_svc);
1160         if (r != TVS_ERROR_OK) {
1161                 _ERR("failed to create live service");
1162                 goto err;
1163         }
1164
1165         r = tv_service_live_register_callback(g_tv_info.live_svc,
1166                         _tv_service_event_cb, NULL);
1167         if (r != TVS_ERROR_OK) {
1168                 _ERR("failed to register live callback");
1169                 goto err;
1170         }
1171
1172         return 0;
1173
1174 err:
1175         tv_destroy();
1176         return -1;
1177 }