src/modules/generic/emotion_generic.c

   1 #ifdef HAVE_CONFIG_H
   2 # include "config.h"
   3 #endif
   4 #include <sys/mman.h>
   5 #include <sys/stat.h>
   6 #include <sys/time.h>
   7 #include <sys/types.h>
   8 #include <fcntl.h>
   9 #include <unistd.h>
  10 #include <Eina.h>
  11 #include <Evas.h>
  12
  13 #include "Emotion.h"
  14 #include "emotion_private.h"
  15 #include "emotion_generic.h"
  16
  17 static Eina_Prefix *pfx = NULL;
  18
  19 static int _emotion_generic_log_domain = -1;
  20 #define DBG(...) EINA_LOG_DOM_DBG(_emotion_generic_log_domain, __VA_ARGS__)
  21 #define INF(...) EINA_LOG_DOM_INFO(_emotion_generic_log_domain, __VA_ARGS__)
  22 #define WRN(...) EINA_LOG_DOM_WARN(_emotion_generic_log_domain, __VA_ARGS__)
  23 #define ERR(...) EINA_LOG_DOM_ERR(_emotion_generic_log_domain, __VA_ARGS__)
  24 #define CRITICAL(...) EINA_LOG_DOM_CRIT(_emotion_generic_log_domain, __VA_ARGS__)
  25
  26
  27 struct _default_players {
  28    const char *name;
  29    const char *cmdline;
  30 };
  31
  32 static struct _default_players players[] = {
  33 #ifdef EMOTION_BUILD_GENERIC_VLC
  34        { "vlc", "em_generic_vlc" },
  35 #endif
  36        { NULL, NULL }
  37 };
  38
  39 static const char *
  40 _get_player(const char *name)
  41 {
  42    const char *selected_name = NULL;
  43    const char *libdir = eina_prefix_lib_get(pfx);
  44    static char buf[PATH_MAX];
  45    int i;
  46
  47    if (name)
  48      {
  49         for (i = 0; players[i].name; i++)
  50           {
  51              if (!strcmp(players[i].name, name))
  52                {
  53                   selected_name = players[i].cmdline;
  54                   break;
  55                }
  56           }
  57      }
  58
  59    if ((!selected_name) && (name))
  60      selected_name = name;
  61
  62    if (selected_name)
  63      {
  64         const char *cmd;
  65
  66         if (selected_name[0] == '/') cmd = selected_name;
  67         else
  68           {
  69              snprintf(buf, sizeof(buf), "%s/emotion/utils/%s",
  70                       libdir, selected_name);
  71              cmd = buf;
  72           }
  73
  74         DBG("Try generic player '%s'", cmd);
  75         if (access(cmd, R_OK | X_OK) == 0)
  76           {
  77              INF("Using generic player '%s'", cmd);
  78              return cmd;
  79           }
  80      }
  81
  82    for (i = 0; players[i].name; i++)
  83      {
  84         snprintf(buf, sizeof(buf), "%s/emotion/utils/%s",
  85                  libdir, players[i].cmdline);
  86         DBG("Try generic player '%s'", buf);
  87         if (access(buf, R_OK | X_OK) == 0)
  88           {
  89              INF("Using fallback player '%s'", buf);
  90              return buf;
  91           }
  92      }
  93
  94    ERR("no generic player found, given name='%s'", name ? name : "");
  95    return NULL;
  96 }
  97
  98 static void
  99 _player_send_cmd(Emotion_Generic_Video *ev, int cmd)
 100 {
 101    if (cmd >= EM_CMD_LAST)
 102      {
 103         ERR("invalid command to player.");
 104         return;
 105      }
 106    write(ev->fd_write, &cmd, sizeof(cmd));
 107 }
 108
 109 static void
 110 _player_send_int(Emotion_Generic_Video *ev, int number)
 111 {
 112    write(ev->fd_write, &number, sizeof(number));
 113 }
 114
 115 static void
 116 _player_send_float(Emotion_Generic_Video *ev, float number)
 117 {
 118    write(ev->fd_write, &number, sizeof(number));
 119 }
 120
 121 static void
 122 _player_send_str(Emotion_Generic_Video *ev, const char *str, Eina_Bool stringshared)
 123 {
 124    int len;
 125
 126    if (stringshared)
 127      len = eina_stringshare_strlen(str) + 1;
 128    else
 129      len = strlen(str) + 1;
 130    write(ev->fd_write, &len, sizeof(len));
 131    write(ev->fd_write, str, len);
 132 }
 133
 134 static Eina_Bool
 135 _create_shm_data(Emotion_Generic_Video *ev, const char *shmname)
 136 {
 137    int shmfd;
 138    int npages;
 139    size_t size;
 140    Emotion_Generic_Video_Shared *vs;
 141
 142    shmfd = shm_open(shmname, O_CREAT | O_RDWR | O_TRUNC, 0777);
 143    if (shmfd == -1)
 144      {
 145         ERR("player: could not open shm: %s", shmname);
 146         ERR("player: %s", strerror(errno));
 147         return 0;
 148      }
 149    size = 3 * (ev->w * ev->h * DEFAULTPITCH) + sizeof(*vs);
 150
 151    npages = (int)(size / getpagesize()) + 1;
 152    size = npages * getpagesize();
 153
 154    if (ftruncate(shmfd, size))
 155      {
 156         ERR("error when allocating shared memory (size = %zd): "
 157             "%s", size, strerror(errno));
 158         shm_unlink(shmname);
 159         return EINA_FALSE;
 160      }
 161    vs = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, shmfd, 0);
 162    if (vs == MAP_FAILED)
 163      {
 164         ERR("error when mapping shared memory.\n");
 165         return EINA_FALSE;
 166      }
 167
 168    vs->size = size;
 169    vs->width = ev->w;
 170    vs->height = ev->h;
 171    vs->pitch = DEFAULTPITCH;
 172    vs->frame.emotion = 0;
 173    vs->frame.player = 1;
 174    vs->frame.last = 2;
 175    vs->frame.next = 2;
 176    vs->frame_drop = 0;
 177    sem_init(&vs->lock, 1, 1);
 178    ev->frame.frames[0] = (unsigned char *)vs + sizeof(*vs);
 179    ev->frame.frames[1] = (unsigned char *)vs + sizeof(*vs) + vs->height * vs->width * vs->pitch;
 180    ev->frame.frames[2] = (unsigned char *)vs + sizeof(*vs) + 2 * vs->height * vs->width * vs->pitch;
 181
 182    if (ev->shared)
 183      munmap(ev->shared, ev->shared->size);
 184    ev->shared = vs;
 185
 186    return EINA_TRUE;
 187 }
 188
 189 static void
 190 _player_new_frame(Emotion_Generic_Video *ev)
 191 {
 192    if (!ev->file_ready)
 193      return;
 194    _emotion_frame_new(ev->obj);
 195 }
 196
 197 static void
 198 _file_open(Emotion_Generic_Video *ev)
 199 {
 200    INF("Opening file: %s", ev->filename);
 201    ev->drop = 0;
 202
 203    if (!ev->ready || !ev->filename)
 204      return;
 205    _player_send_cmd(ev, EM_CMD_FILE_SET);
 206    _player_send_str(ev, ev->filename, EINA_TRUE);
 207 }
 208
 209 static void
 210 _player_file_set_done(Emotion_Generic_Video *ev)
 211 {
 212    if (ev->file_changed)
 213      {
 214         _file_open(ev);
 215         ev->file_changed = EINA_FALSE;
 216         return;
 217      }
 218
 219    if (!_create_shm_data(ev, ev->shmname))
 220      {
 221         ERR("could not create shared memory.");
 222         return;
 223      }
 224    _player_send_cmd(ev, EM_CMD_FILE_SET_DONE);
 225 }
 226
 227 static void
 228 _player_ready(Emotion_Generic_Video *ev)
 229 {
 230    INF("received: player ready.");
 231
 232    ev->initializing = EINA_FALSE;
 233    ev->ready = EINA_TRUE;
 234
 235    if (!ev->filename)
 236      return;
 237
 238    _file_open(ev);
 239 }
 240
 241 static int
 242 _em_read_safe(int fd, void *buf, ssize_t size)
 243 {
 244    ssize_t todo;
 245    char *p;
 246
 247    todo = size;
 248    p = buf;
 249
 250    while (todo > 0)
 251      {
 252         ssize_t r;
 253
 254         r = read(fd, p, todo);
 255         if (r > 0)
 256           {
 257              todo -= r;
 258              p += r;
 259           }
 260         else if (r == 0)
 261           return 0;
 262         else
 263           {
 264              if (errno == EINTR || errno == EAGAIN)
 265                return size - todo;
 266              else
 267                {
 268                   ERR("could not read from fd %d: %s", fd, strerror(errno));
 269                   return -1;
 270                }
 271           }
 272      }
 273
 274    return size;
 275 }
 276
 277 static Eina_Bool
 278 _player_cmd_param_read(Emotion_Generic_Video *ev, void *param, size_t size)
 279 {
 280    ssize_t done, todo, i;
 281
 282    /* When a parameter must be read, we cannot make sure it will be entirely
 283     * available. Thus we store the bytes that could be read in a temp buffer,
 284     * and when more data is read we try to complete the buffer and finally use
 285     * the read value.
 286     */
 287    if (!ev->cmd.tmp)
 288      {
 289         ev->cmd.tmp = malloc(size);
 290         ev->cmd.i = 0;
 291         ev->cmd.total = size;
 292      }
 293
 294    todo = ev->cmd.total - ev->cmd.i;
 295    i = ev->cmd.i;
 296    done = read(ev->fd_read, &ev->cmd.tmp[i], todo);
 297
 298    if (done < 0 &&  errno != EINTR && errno != EAGAIN)
 299      {
 300         if (ev->cmd.tmp)
 301           {
 302              free(ev->cmd.tmp);
 303              ev->cmd.tmp = NULL;
 304           }
 305         ERR("problem when reading parameter from pipe.");
 306         ev->cmd.type = -1;
 307         return EINA_FALSE;
 308      }
 309
 310    if (done == todo)
 311      {
 312         memcpy(param, ev->cmd.tmp, size);
 313         free(ev->cmd.tmp);
 314         ev->cmd.tmp = NULL;
 315         return EINA_TRUE;
 316      }
 317
 318    if (done > 0)
 319      ev->cmd.i += done;
 320
 321    return EINA_FALSE;
 322 }
 323
 324 static Eina_Bool
 325 _player_int_read(Emotion_Generic_Video *ev, int *i)
 326 {
 327    int n;
 328    n = _em_read_safe(ev->fd_read, i, sizeof(*i));
 329    if (n <= 0)
 330      {
 331         ERR("could not read int from fd_read %d\n", ev->fd_read);
 332         return EINA_FALSE;
 333      }
 334
 335    return EINA_TRUE;
 336 }
 337
 338 static Eina_Bool
 339 _player_str_read(Emotion_Generic_Video *ev, char *str, int *len)
 340 {
 341    int n;
 342
 343    if (!_player_int_read(ev, len))
 344      return EINA_FALSE;
 345
 346    n = _em_read_safe(ev->fd_read, str, *len);
 347    if (n <= 0)
 348      {
 349         ERR("could not read string from fd_read %d\n", ev->fd_read);
 350         return EINA_FALSE;
 351      }
 352
 353    return EINA_TRUE;
 354 }
 355
 356 static void
 357 _player_frame_resize(Emotion_Generic_Video *ev)
 358 {
 359    int w, h;
 360
 361    w = ev->cmd.param.size.width;
 362    h = ev->cmd.param.size.height;
 363
 364    INF("received frame resize: %dx%d", w, h);
 365    ev->w = w;
 366    ev->h = h;
 367    ev->ratio = (float)w / h;
 368
 369    if (ev->opening)
 370      return;
 371
 372    _emotion_frame_resize(ev->obj, ev->w, ev->h, ev->ratio);
 373 }
 374
 375 static void
 376 _player_length_changed(Emotion_Generic_Video *ev)
 377 {
 378    float length = ev->cmd.param.f_num;
 379
 380    INF("received length changed: %0.3f", length);
 381
 382    ev->len = length;
 383    _emotion_video_pos_update(ev->obj, ev->pos, ev->len);
 384 }
 385
 386 static void
 387 _player_position_changed(Emotion_Generic_Video *ev)
 388 {
 389    float position = ev->cmd.param.f_num;
 390
 391    INF("received position changed: %0.3f", position);
 392
 393    ev->pos = position;
 394    _emotion_video_pos_update(ev->obj, ev->pos, ev->len);
 395
 396    if (ev->len == 0)
 397      return;
 398
 399    float progress = ev->pos / ev->len;
 400    char buf[16];
 401    snprintf(buf, sizeof(buf), "%0.1f%%", progress * 100);
 402
 403    _emotion_progress_set(ev->obj, buf, progress);
 404 }
 405
 406 static void
 407 _player_seekable_changed(Emotion_Generic_Video *ev)
 408 {
 409    int seekable = ev->cmd.param.i_num;
 410
 411    INF("received seekable changed: %d", seekable);
 412
 413    seekable = !!seekable;
 414
 415    ev->seekable = seekable;
 416 }
 417
 418 static void
 419 _audio_channels_free(Emotion_Generic_Video *ev)
 420 {
 421    int i;
 422    for (i = 0; i < ev->audio_channels_count; i++)
 423      eina_stringshare_del(ev->audio_channels[i].name);
 424    free(ev->audio_channels);
 425    ev->audio_channels_count = 0;
 426 }
 427
 428 static void
 429 _video_channels_free(Emotion_Generic_Video *ev)
 430 {
 431    int i;
 432    for (i = 0; i < ev->video_channels_count; i++)
 433      eina_stringshare_del(ev->video_channels[i].name);
 434    free(ev->video_channels);
 435    ev->video_channels_count = 0;
 436 }
 437
 438 static void
 439 _spu_channels_free(Emotion_Generic_Video *ev)
 440 {
 441    int i;
 442    for (i = 0; i < ev->spu_channels_count; i++)
 443      eina_stringshare_del(ev->spu_channels[i].name);
 444    free(ev->spu_channels);
 445    ev->spu_channels_count = 0;
 446 }
 447
 448 static void
 449 _player_tracks_info(Emotion_Generic_Video *ev, Emotion_Generic_Channel **channels, int *count, int *current)
 450 {
 451    Emotion_Generic_Channel *pchannels;
 452    int i;
 453
 454    *count = ev->cmd.param.track.total;
 455    *current = ev->cmd.param.track.current;
 456    pchannels = ev->cmd.param.track.channels;
 457
 458    INF("number of tracks: %d (current = %d):", *count, *current);
 459    for (i = 0; i < *count; i++)
 460      {
 461         INF("\tchannel %d: %s", pchannels[i].id, pchannels[i].name);
 462      }
 463
 464    *channels = pchannels;
 465 }
 466
 467 static void
 468 _player_audio_tracks_info(Emotion_Generic_Video *ev)
 469 {
 470    INF("Receiving audio channels:");
 471    if (ev->audio_channels_count)
 472      _audio_channels_free(ev);
 473
 474    _player_tracks_info(ev, &ev->audio_channels, &ev->audio_channels_count,
 475                        &ev->audio_channel_current);
 476 }
 477
 478 static void
 479 _player_video_tracks_info(Emotion_Generic_Video *ev)
 480 {
 481    INF("Receiving video channels:");
 482    if (ev->video_channels_count)
 483      _video_channels_free(ev);
 484
 485    _player_tracks_info(ev, &ev->video_channels, &ev->video_channels_count,
 486                        &ev->video_channel_current);
 487 }
 488
 489 static void
 490 _player_spu_tracks_info(Emotion_Generic_Video *ev)
 491 {
 492    INF("Receiving spu channels:");
 493    if (ev->spu_channels_count)
 494      _spu_channels_free(ev);
 495
 496    _player_tracks_info(ev, &ev->spu_channels, &ev->spu_channels_count,
 497                        &ev->spu_channel_current);
 498 }
 499
 500 static void
 501 _player_helper_str_read(Emotion_Generic_Video *ev, const char **pstr)
 502 {
 503    int len;
 504    char buf[PATH_MAX];
 505    if (_player_str_read(ev, buf, &len))
 506      *pstr = eina_stringshare_add_length(buf, len);
 507 }
 508
 509 static void
 510 _player_meta_info_free(Emotion_Generic_Video *ev)
 511 {
 512    eina_stringshare_replace(&ev->meta.title, NULL);
 513    eina_stringshare_replace(&ev->meta.artist, NULL);
 514    eina_stringshare_replace(&ev->meta.album, NULL);
 515    eina_stringshare_replace(&ev->meta.year, NULL);
 516    eina_stringshare_replace(&ev->meta.genre, NULL);
 517    eina_stringshare_replace(&ev->meta.comment, NULL);
 518    eina_stringshare_replace(&ev->meta.disc_id, NULL);
 519    eina_stringshare_replace(&ev->meta.count, NULL);
 520 }
 521
 522 static void
 523 _player_meta_info_read(Emotion_Generic_Video *ev)
 524 {
 525    INF("Receiving meta info:");
 526    _player_meta_info_free(ev);
 527    _player_helper_str_read(ev, &ev->meta.title);
 528    _player_helper_str_read(ev, &ev->meta.artist);
 529    _player_helper_str_read(ev, &ev->meta.album);
 530    _player_helper_str_read(ev, &ev->meta.year);
 531    _player_helper_str_read(ev, &ev->meta.genre);
 532    _player_helper_str_read(ev, &ev->meta.comment);
 533    _player_helper_str_read(ev, &ev->meta.disc_id);
 534    _player_helper_str_read(ev, &ev->meta.count);
 535    INF("title: '%s'", ev->meta.title);
 536    INF("artist: '%s'", ev->meta.artist);
 537    INF("album: '%s'", ev->meta.album);
 538    INF("year: '%s'", ev->meta.year);
 539    INF("genre: '%s'", ev->meta.genre);
 540    INF("comment: '%s'", ev->meta.comment);
 541    INF("disc_id: '%s'", ev->meta.disc_id);
 542    INF("count: '%s'", ev->meta.count);
 543 }
 544
 545 static void
 546 _player_file_closed(Emotion_Generic_Video *ev)
 547 {
 548    INF("Closed previous file.");
 549    sem_destroy(&ev->shared->lock);
 550
 551    ev->closing = EINA_FALSE;
 552
 553    if (ev->opening)
 554      _file_open(ev);
 555 }
 556
 557 static void
 558 _player_open_done(Emotion_Generic_Video *ev)
 559 {
 560    int success;
 561
 562    success = ev->cmd.param.i_num;
 563    shm_unlink(ev->shmname);
 564
 565    if (ev->file_changed)
 566      {
 567         _file_open(ev);
 568         ev->file_changed = EINA_FALSE;
 569         return;
 570      }
 571
 572    ev->opening = EINA_FALSE;
 573    if (!success)
 574      {
 575         ERR("Could not open file.");
 576         return;
 577      }
 578
 579    ev->file_ready = EINA_TRUE;
 580
 581    _emotion_open_done(ev->obj);
 582
 583    if (ev->play)
 584      {
 585         _player_send_cmd(ev, EM_CMD_PLAY);
 586         _player_send_float(ev, ev->pos);
 587      }
 588
 589    _player_send_cmd(ev, EM_CMD_VOLUME_SET);
 590    _player_send_float(ev, ev->volume);
 591
 592    _player_send_cmd(ev, EM_CMD_SPEED_SET);
 593    _player_send_float(ev, ev->speed);
 594
 595    int mute = ev->audio_mute;
 596    _player_send_cmd(ev, EM_CMD_AUDIO_MUTE_SET);
 597    _player_send_int(ev, mute);
 598
 599    mute = ev->video_mute;
 600    _player_send_cmd(ev, EM_CMD_VIDEO_MUTE_SET);
 601    _player_send_int(ev, mute);
 602
 603    mute = ev->spu_mute;
 604    _player_send_cmd(ev, EM_CMD_SPU_MUTE_SET);
 605    _player_send_int(ev, mute);
 606
 607    INF("Open done");
 608 }
 609
 610 static void
 611 _player_cmd_process(Emotion_Generic_Video *ev)
 612 {
 613    switch (ev->cmd.type) {
 614       case EM_RESULT_INIT:
 615          _player_ready(ev);
 616          break;
 617       case EM_RESULT_FRAME_NEW:
 618          _player_new_frame(ev);
 619          break;
 620       case EM_RESULT_FILE_SET:
 621          _player_file_set_done(ev);
 622          break;
 623       case EM_RESULT_FILE_SET_DONE:
 624          _player_open_done(ev);
 625          break;
 626       case EM_RESULT_FILE_CLOSE:
 627          _player_file_closed(ev);
 628          break;
 629       case EM_RESULT_PLAYBACK_STOPPED:
 630          _emotion_playback_finished(ev->obj);
 631          break;
 632       case EM_RESULT_FRAME_SIZE:
 633          _player_frame_resize(ev);
 634          break;
 635       case EM_RESULT_LENGTH_CHANGED:
 636          _player_length_changed(ev);
 637          break;
 638       case EM_RESULT_POSITION_CHANGED:
 639          _player_position_changed(ev);
 640          break;
 641       case EM_RESULT_SEEKABLE_CHANGED:
 642          _player_seekable_changed(ev);
 643          break;
 644       case EM_RESULT_AUDIO_TRACK_INFO:
 645          _player_audio_tracks_info(ev);
 646          break;
 647       case EM_RESULT_VIDEO_TRACK_INFO:
 648          _player_video_tracks_info(ev);
 649          break;
 650       case EM_RESULT_SPU_TRACK_INFO:
 651          _player_spu_tracks_info(ev);
 652          break;
 653       case EM_RESULT_META_INFO:
 654          _player_meta_info_read(ev);
 655          break;
 656       default:
 657          WRN("received wrong command: %d", ev->cmd.type);
 658    }
 659
 660    ev->cmd.type = -1;
 661 }
 662
 663 static void
 664 _player_cmd_single_int_process(Emotion_Generic_Video *ev)
 665 {
 666    if (!_player_cmd_param_read(ev, &ev->cmd.param.i_num, sizeof(ev->cmd.param.i_num)))
 667      return;
 668
 669    _player_cmd_process(ev);
 670 }
 671
 672 static void
 673 _player_cmd_single_float_process(Emotion_Generic_Video *ev)
 674 {
 675    if (!_player_cmd_param_read(ev, &ev->cmd.param.f_num, sizeof(ev->cmd.param.f_num)))
 676      return;
 677
 678    _player_cmd_process(ev);
 679 }
 680
 681 static void
 682 _player_cmd_double_int_process(Emotion_Generic_Video *ev)
 683 {
 684    int param;
 685
 686    if (ev->cmd.num_params == 0)
 687      {
 688         ev->cmd.num_params = 2;
 689         ev->cmd.cur_param = 0;
 690         ev->cmd.param.size.width = 0;
 691         ev->cmd.param.size.height = 0;
 692      }
 693
 694    if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 695      return;
 696
 697    if (ev->cmd.cur_param == 0)
 698      ev->cmd.param.size.width = param;
 699    else
 700      ev->cmd.param.size.height = param;
 701
 702    ev->cmd.cur_param++;
 703    if (ev->cmd.cur_param == ev->cmd.num_params)
 704      _player_cmd_process(ev);
 705 }
 706
 707 static void
 708 _player_cmd_track_info(Emotion_Generic_Video *ev)
 709 {
 710    int param;
 711    Eina_Bool r;
 712    int i;
 713
 714    if (ev->cmd.num_params == 0)
 715      {
 716         ev->cmd.cur_param = 0;
 717         ev->cmd.num_params = 2;
 718         ev->cmd.param.track.channels = NULL;
 719         ev->cmd.s_len = -1;
 720      }
 721
 722    while (ev->cmd.cur_param < 2)
 723      {
 724         if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 725           return;
 726
 727         if (ev->cmd.cur_param == 0)
 728           ev->cmd.param.track.current = param;
 729         else
 730           {
 731              ev->cmd.param.track.total = param;
 732              ev->cmd.num_params += param * 2;
 733              ev->cmd.param.track.channels =
 734                 calloc(param, sizeof(*ev->cmd.param.track.channels));
 735           }
 736         ev->cmd.cur_param++;
 737      }
 738
 739    if (ev->cmd.cur_param == ev->cmd.num_params)
 740      {
 741         _player_cmd_process(ev);
 742         return;
 743      }
 744
 745    i = (ev->cmd.cur_param - 2) / 2;
 746    if ((ev->cmd.cur_param % 2) == 0) // reading track id
 747      {
 748         if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 749           return;
 750         ev->cmd.param.track.channels[i].id = param;
 751         ev->cmd.cur_param++;
 752      }
 753    else // reading track name
 754      {
 755         char buf[PATH_MAX];
 756
 757         if (ev->cmd.s_len == -1)
 758           {
 759              if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 760                return;
 761              ev->cmd.s_len = param;
 762           }
 763
 764         if (!_player_cmd_param_read(ev, buf, ev->cmd.s_len))
 765           return;
 766         ev->cmd.param.track.channels[i].name =
 767            eina_stringshare_add_length(buf, ev->cmd.s_len);
 768         ev->cmd.cur_param++;
 769         ev->cmd.s_len = -1;
 770      }
 771
 772    if (ev->cmd.cur_param == ev->cmd.num_params)
 773      _player_cmd_process(ev);
 774 }
 775
 776 static void
 777 _player_cmd_read(Emotion_Generic_Video *ev)
 778 {
 779    if (ev->cmd.type < 0)
 780      {
 781         if (!_player_cmd_param_read(ev, &ev->cmd.type, sizeof(ev->cmd.type)))
 782           return;
 783         ev->cmd.num_params = 0;
 784      }
 785
 786    switch (ev->cmd.type) {
 787       case EM_RESULT_INIT:
 788       case EM_RESULT_FILE_SET:
 789       case EM_RESULT_PLAYBACK_STOPPED:
 790       case EM_RESULT_FILE_CLOSE:
 791       case EM_RESULT_FRAME_NEW:
 792          _player_cmd_process(ev);
 793          break;
 794       case EM_RESULT_FILE_SET_DONE:
 795       case EM_RESULT_SEEKABLE_CHANGED:
 796          _player_cmd_single_int_process(ev);
 797          break;
 798       case EM_RESULT_LENGTH_CHANGED:
 799       case EM_RESULT_POSITION_CHANGED:
 800          _player_cmd_single_float_process(ev);
 801          break;
 802       case EM_RESULT_FRAME_SIZE:
 803          _player_cmd_double_int_process(ev);
 804          break;
 805       case EM_RESULT_AUDIO_TRACK_INFO:
 806       case EM_RESULT_VIDEO_TRACK_INFO:
 807       case EM_RESULT_SPU_TRACK_INFO:
 808          _player_cmd_track_info(ev);
 809          break;
 810
 811       default:
 812          WRN("received wrong command: %d", ev->cmd.type);
 813          ev->cmd.type = -1;
 814    }
 815 }
 816
 817 static Eina_Bool
 818 _player_cmd_handler_cb(void *data, Ecore_Fd_Handler *fd_handler)
 819 {
 820    Emotion_Generic_Video *ev = data;
 821
 822    if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_ERROR))
 823      {
 824         ERR("an error occurred on fd_read %d.", ev->fd_read);
 825         return ECORE_CALLBACK_CANCEL;
 826      }
 827
 828    _player_cmd_read(ev);
 829
 830    return ECORE_CALLBACK_RENEW;
 831 }
 832
 833 static Eina_Bool
 834 _player_data_cb(void *data, int type __UNUSED__, void *event)
 835 {
 836    Ecore_Exe_Event_Data *ev = event;
 837    Emotion_Generic_Video *evideo = data;
 838    int i;
 839
 840    if (ev->exe != evideo->player.exe)
 841      {
 842         ERR("slave != ev->exe");
 843         return ECORE_CALLBACK_DONE;
 844      }
 845
 846    for (i = 0; ev->lines[i].line; i++)
 847      INF("received input from player: \"%s\"", ev->lines[i].line);
 848
 849    return ECORE_CALLBACK_DONE;
 850 }
 851
 852 static Eina_Bool
 853 _player_add_cb(void *data, int type __UNUSED__, void *event)
 854 {
 855    Ecore_Exe_Event_Add *event_add = event;
 856    Ecore_Exe *player = event_add->exe;
 857    Emotion_Generic_Video *ev = data;
 858
 859    if (ev->player.exe != player)
 860      {
 861         ERR("ev->player != player.");
 862         return ECORE_CALLBACK_DONE;
 863      }
 864
 865    _player_send_cmd(ev, EM_CMD_INIT);
 866    _player_send_str(ev, ev->shmname, EINA_TRUE);
 867
 868    return ECORE_CALLBACK_DONE;
 869 }
 870
 871 static Eina_Bool
 872 _player_del_cb(void *data, int type __UNUSED__, void *event __UNUSED__)
 873 {
 874    Emotion_Generic_Video *ev = data;
 875    ERR("player died.");
 876
 877    ev->player.exe = NULL;
 878    ev->ready = EINA_FALSE;
 879    ev->file_ready = EINA_FALSE;
 880    ecore_main_fd_handler_del(ev->fd_handler);
 881    close(ev->fd_read);
 882    close(ev->fd_write);
 883    ev->fd_read = -1;
 884    ev->fd_write = -1;
 885    _emotion_decode_stop(ev->obj);
 886
 887    return ECORE_CALLBACK_DONE;
 888 }
 889
 890 static Eina_Bool
 891 _player_exec(Emotion_Generic_Video *ev)
 892 {
 893    int pipe_out[2];
 894    int pipe_in[2];
 895    char buf[PATH_MAX];
 896
 897    if (pipe(pipe_out) == -1)
 898      {
 899         ERR("could not create pipe for communication emotion -> player: %s", strerror(errno));
 900         return EINA_FALSE;
 901      }
 902
 903    if (pipe(pipe_in) == -1)
 904      {
 905         ERR("could not create pipe for communication player -> emotion: %s", strerror(errno));
 906         close(pipe_out[0]);
 907         close(pipe_out[1]);
 908         return EINA_FALSE;
 909      }
 910
 911    snprintf(buf, sizeof(buf), "%s %d %d\n", ev->cmdline, pipe_out[0], pipe_in[1]);
 912
 913    ev->player.exe = ecore_exe_pipe_run(
 914       buf,
 915       ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_WRITE |
 916       ECORE_EXE_PIPE_READ_LINE_BUFFERED | ECORE_EXE_NOT_LEADER,
 917       ev);
 918
 919    INF("created pipe emotion -> player: %d -> %d\n", pipe_out[1], pipe_out[0]);
 920    INF("created pipe player -> emotion: %d -> %d\n", pipe_in[1], pipe_in[0]);
 921
 922    close(pipe_in[1]);
 923    close(pipe_out[0]);
 924
 925    if (!ev->player.exe)
 926      {
 927         close(pipe_in[0]);
 928         close(pipe_out[1]);
 929         return EINA_FALSE;
 930      }
 931
 932    ev->fd_read = pipe_in[0];
 933    ev->fd_write = pipe_out[1];
 934
 935    ev->fd_handler = ecore_main_fd_handler_add(
 936       ev->fd_read, ECORE_FD_READ | ECORE_FD_ERROR, _player_cmd_handler_cb, ev,
 937       NULL, NULL);
 938
 939    return EINA_TRUE;
 940 }
 941
 942 static Eina_Bool
 943 _fork_and_exec(Evas_Object *obj, Emotion_Generic_Video *ev)
 944 {
 945    char shmname[256];
 946    struct timeval tv;
 947
 948    gettimeofday(&tv, NULL);
 949    snprintf(shmname, sizeof(shmname), "/em-generic-shm_%d_%d",
 950             (int)tv.tv_sec, (int)tv.tv_usec);
 951
 952    ev->shmname = eina_stringshare_add(shmname);
 953
 954    ev->player_add = ecore_event_handler_add(
 955       ECORE_EXE_EVENT_ADD, _player_add_cb, ev);
 956    ev->player_del = ecore_event_handler_add(
 957       ECORE_EXE_EVENT_DEL, _player_del_cb, ev);
 958    ev->player_data = ecore_event_handler_add(
 959       ECORE_EXE_EVENT_DATA, _player_data_cb, ev);
 960
 961
 962    if (!_player_exec(ev))
 963      {
 964         ERR("could not start player.");
 965         return EINA_FALSE;
 966      }
 967
 968    ev->initializing = EINA_TRUE;
 969
 970    return EINA_TRUE;
 971 }
 972
 973 static unsigned char
 974 em_init(Evas_Object *obj, void **emotion_video, Emotion_Module_Options *opt)
 975 {
 976    Emotion_Generic_Video *ev;
 977    const char *player;
 978
 979    if (!emotion_video) return 0;
 980    player = _get_player(opt ? opt->player : NULL);
 981    if (!player) return 0;
 982
 983    ev = (Emotion_Generic_Video *)calloc(1, sizeof(*ev));
 984    if (!ev) return 0;
 985
 986    ev->fd_read = -1;
 987    ev->fd_write = -1;
 988    ev->speed = 1.0;
 989    ev->volume = 0.5;
 990    ev->audio_mute = EINA_FALSE;
 991    ev->cmd.type = -1;
 992
 993    ev->obj = obj;
 994    ev->cmdline = eina_stringshare_add(player);
 995    *emotion_video = ev;
 996
 997    return _fork_and_exec(obj, ev);
 998 }
 999
1000 static int
1001 em_shutdown(void *data)
1002 {
1003    Emotion_Generic_Video *ev = data;
1004
1005    if (!ev) return 0;
1006
1007    if (ev->player.exe)
1008      {
1009         ecore_exe_terminate(ev->player.exe);
1010         ecore_exe_free(ev->player.exe);
1011         ev->player.exe = NULL;
1012      }
1013
1014    if (ev->shared)
1015      munmap(ev->shared, ev->shared->size);
1016
1017    if (ev->fd_read >= 0)
1018      close(ev->fd_read);
1019    if (ev->fd_write >= 0)
1020      close(ev->fd_write);
1021    if (ev->fd_handler)
1022      ecore_main_fd_handler_del(ev->fd_handler);
1023
1024    eina_stringshare_del(ev->cmdline);
1025    eina_stringshare_del(ev->shmname);
1026
1027    ecore_event_handler_del(ev->player_add);
1028    ecore_event_handler_del(ev->player_data);
1029    ecore_event_handler_del(ev->player_del);
1030
1031    return 1;
1032 }
1033
1034 static unsigned char
1035 em_file_open(const char *file, Evas_Object *obj __UNUSED__, void *data)
1036 {
1037    Emotion_Generic_Video *ev = data;
1038    INF("file set: %s", file);
1039    if (!ev) return 0;
1040
1041    eina_stringshare_replace(&ev->filename, file);
1042
1043    ev->pos = 0;
1044    ev->w = 0;
1045    ev->h = 0;
1046    ev->ratio = 1;
1047    ev->len = 0;
1048
1049    if (ev->ready && ev->opening)
1050      {
1051         INF("file changed while opening.");
1052         ev->file_changed = EINA_TRUE;
1053         return 1;
1054      }
1055
1056    ev->opening = EINA_TRUE;
1057
1058    if (!ev->closing)
1059      _file_open(ev);
1060
1061    return 1;
1062 }
1063
1064 static void
1065 em_file_close(void *data)
1066 {
1067    Emotion_Generic_Video *ev = data;
1068
1069    if (!ev || !ev->filename) return;
1070
1071    INF("file close: %s", ev->filename);
1072
1073    eina_stringshare_replace(&ev->filename, NULL);
1074
1075    ev->file_ready = EINA_FALSE;
1076    _audio_channels_free(ev);
1077    _video_channels_free(ev);
1078    _spu_channels_free(ev);
1079    _player_meta_info_free(ev);
1080
1081    if (ev->opening)
1082      return;
1083
1084    _player_send_cmd(ev, EM_CMD_FILE_CLOSE);
1085    ev->closing = EINA_TRUE;
1086 }
1087
1088 static Emotion_Format
1089 em_format_get(void *ef __UNUSED__)
1090 {
1091    return EMOTION_FORMAT_BGRA;
1092 }
1093
1094 static void
1095 em_video_data_size_get(void *data, int *w, int *h)
1096 {
1097    Emotion_Generic_Video *ev = data;
1098
1099    if (!ev) return;
1100    if (w) *w = ev->w;
1101    if (h) *h = ev->h;
1102 }
1103
1104 static void
1105 em_play(void *data, double pos)
1106 {
1107    Emotion_Generic_Video *ev = data;
1108
1109    if (!ev)
1110      return;
1111
1112    ev->play = EINA_TRUE;
1113    INF("play: %0.3f", pos);
1114
1115    if (ev->initializing || ev->opening)
1116      return;
1117
1118    if (ev->ready)
1119      {
1120         _player_send_cmd(ev, EM_CMD_PLAY);
1121         _player_send_float(ev, ev->pos);
1122         return;
1123      }
1124
1125    if (!_player_exec(ev))
1126      ERR("could not start player.");
1127 }
1128
1129 static void
1130 em_stop(void *data)
1131 {
1132    Emotion_Generic_Video *ev = data;
1133
1134    if (!ev)
1135      return;
1136
1137    ev->play = EINA_FALSE;
1138
1139    if (!ev->file_ready)
1140      return;
1141
1142    _player_send_cmd(ev, EM_CMD_STOP);
1143    _emotion_decode_stop(ev->obj);
1144 }
1145
1146 static void
1147 em_size_get(void *data, int *w, int *h)
1148 {
1149    Emotion_Generic_Video *ev = data;
1150    if (w) *w = ev->w;
1151    if (h) *h = ev->h;
1152 }
1153
1154 static void
1155 em_pos_set(void *data, double pos)
1156 {
1157    Emotion_Generic_Video *ev = data;
1158    float position = pos;
1159
1160    if (!ev->file_ready)
1161      return;
1162
1163    _player_send_cmd(ev, EM_CMD_POSITION_SET);
1164    _player_send_float(ev, position);
1165    _emotion_seek_done(ev->obj);
1166 }
1167
1168 static double
1169 em_len_get(void *data)
1170 {
1171    Emotion_Generic_Video *ev = data;
1172    return ev->len;
1173 }
1174
1175 static int
1176 em_fps_num_get(void *data)
1177 {
1178    Emotion_Generic_Video *ev = data;
1179    return (int)(ev->fps * 1000.0);
1180 }
1181
1182 static int
1183 em_fps_den_get(void *ef __UNUSED__)
1184 {
1185    return 1000;
1186 }
1187
1188 static double
1189 em_fps_get(void *data)
1190 {
1191    Emotion_Generic_Video *ev = data;
1192    return ev->fps;
1193 }
1194
1195 static double
1196 em_pos_get(void *data)
1197 {
1198    Emotion_Generic_Video *ev = data;
1199    return ev->pos;
1200 }
1201
1202 static void
1203 em_vis_set(void *ef __UNUSED__, Emotion_Vis vis __UNUSED__)
1204 {
1205 }
1206
1207 static Emotion_Vis
1208 em_vis_get(void *data)
1209 {
1210    Emotion_Generic_Video *ev = data;
1211    return ev->vis;
1212 }
1213
1214 static Eina_Bool
1215 em_vis_supported(void *ef __UNUSED__, Emotion_Vis vis __UNUSED__)
1216 {
1217    return EINA_FALSE;
1218 }
1219
1220 static double
1221 em_ratio_get(void *data)
1222 {
1223    Emotion_Generic_Video *ev = data;
1224    return ev->ratio;
1225 }
1226
1227 static int em_video_handled(void *ef __UNUSED__)
1228 {
1229    fprintf(stderr, "video handled!\n");
1230    return 1;
1231 }
1232
1233 static int em_audio_handled(void *ef __UNUSED__)
1234 {
1235    fprintf(stderr, "audio handled!\n");
1236    return 1;
1237 }
1238
1239 static int em_seekable(void *data)
1240 {
1241    Emotion_Generic_Video *ev = data;
1242    return ev->seekable;
1243 }
1244
1245 static void em_frame_done(void *ef __UNUSED__)
1246 {
1247 }
1248
1249 static int
1250 em_yuv_rows_get(void *data __UNUSED__, int w __UNUSED__, int h __UNUSED__, unsigned char **yrows __UNUSED__, unsigned char **urows __UNUSED__, unsigned char **vrows __UNUSED__)
1251 {
1252    return 0;
1253 }
1254
1255 static int
1256 em_bgra_data_get(void *data, unsigned char **bgra_data)
1257 {
1258    Emotion_Generic_Video *ev = data;
1259
1260    if (!ev || !ev->file_ready)
1261      return;
1262
1263    // lock frame here
1264    sem_wait(&ev->shared->lock);
1265
1266    // send current frame to emotion
1267    if (ev->shared->frame.emotion != ev->shared->frame.last)
1268      {
1269         ev->shared->frame.next = ev->shared->frame.emotion;
1270         ev->shared->frame.emotion = ev->shared->frame.last;
1271      }
1272    *bgra_data = ev->frame.frames[ev->shared->frame.emotion];
1273
1274    if (ev->shared->frame_drop > 1)
1275      WRN("dropped frames: %d", ev->shared->frame_drop - 1);
1276    ev->shared->frame_drop = 0;
1277
1278    // unlock frame here
1279    sem_post(&ev->shared->lock);
1280    ev->drop = 0;
1281
1282    return 1;
1283 }
1284
1285 static void
1286 em_event_feed(void *ef __UNUSED__, int event __UNUSED__)
1287 {
1288 }
1289
1290 static void
1291 em_event_mouse_button_feed(void *ef __UNUSED__, int button __UNUSED__, int x __UNUSED__, int y __UNUSED__)
1292 {
1293 }
1294
1295 static void
1296 em_event_mouse_move_feed(void *ef __UNUSED__, int x __UNUSED__, int y __UNUSED__)
1297 {
1298 }
1299
1300 static int
1301 em_video_channel_count(void *data)
1302 {
1303    Emotion_Generic_Video *ev = data;
1304    return ev->video_channels_count;
1305 }
1306
1307 static void
1308 em_video_channel_set(void *data, int channel)
1309 {
1310    Emotion_Generic_Video *ev = data;
1311
1312    if (channel < 0 || channel >= ev->video_channels_count)
1313      {
1314         WRN("video channel out of range.");
1315         return;
1316      }
1317
1318    _player_send_cmd(ev, EM_CMD_VIDEO_TRACK_SET);
1319    _player_send_int(ev, ev->video_channels[channel].id);
1320    ev->video_channel_current = channel;
1321 }
1322
1323 static int
1324 em_video_channel_get(void *data)
1325 {
1326    Emotion_Generic_Video *ev = data;
1327    return ev->video_channel_current;
1328 }
1329
1330 static const char *
1331 em_video_channel_name_get(void *data, int channel)
1332 {
1333    Emotion_Generic_Video *ev = data;
1334
1335    if (channel < 0 || channel >= ev->video_channels_count)
1336      {
1337         WRN("video channel out of range.");
1338         return NULL;
1339      }
1340
1341    return ev->video_channels[channel].name;
1342 }
1343
1344 static void
1345 em_video_channel_mute_set(void *data, int mute)
1346 {
1347    Emotion_Generic_Video *ev = data;
1348
1349    ev->video_mute = !!mute;
1350
1351    if (!ev || !ev->file_ready)
1352      return;
1353
1354    _player_send_cmd(ev, EM_CMD_VIDEO_MUTE_SET);
1355    _player_send_int(ev, mute);
1356 }
1357
1358 static int
1359 em_video_channel_mute_get(void *data)
1360 {
1361    Emotion_Generic_Video *ev = data;
1362    return ev->video_mute;
1363 }
1364
1365 static int
1366 em_audio_channel_count(void *data)
1367 {
1368    Emotion_Generic_Video *ev = data;
1369    return ev->audio_channels_count;
1370 }
1371
1372 static void
1373 em_audio_channel_set(void *data, int channel)
1374 {
1375    Emotion_Generic_Video *ev = data;
1376
1377    if (channel < 0 || channel >= ev->audio_channels_count)
1378      {
1379         WRN("audio channel out of range.");
1380         return;
1381      }
1382
1383    _player_send_cmd(ev, EM_CMD_AUDIO_TRACK_SET);
1384    _player_send_int(ev, ev->audio_channels[channel].id);
1385    ev->audio_channel_current = channel;
1386 }
1387
1388 static int
1389 em_audio_channel_get(void *data)
1390 {
1391    Emotion_Generic_Video *ev = data;
1392    return ev->audio_channel_current;
1393 }
1394
1395 static const char *
1396 em_audio_channel_name_get(void *data, int channel)
1397 {
1398    Emotion_Generic_Video *ev = data;
1399
1400    if (channel < 0 || channel >= ev->audio_channels_count)
1401      {
1402         WRN("audio channel out of range.");
1403         return NULL;
1404      }
1405
1406    return ev->audio_channels[channel].name;
1407 }
1408
1409 static void
1410 em_audio_channel_mute_set(void *data, int mute)
1411 {
1412    Emotion_Generic_Video *ev = data;
1413
1414    ev->audio_mute = !!mute;
1415
1416    if (!ev || !ev->file_ready)
1417      return;
1418
1419    _player_send_cmd(ev, EM_CMD_AUDIO_MUTE_SET);
1420    _player_send_int(ev, mute);
1421 }
1422
1423 static int
1424 em_audio_channel_mute_get(void *data)
1425 {
1426    Emotion_Generic_Video *ev = data;
1427    return ev->audio_mute;
1428 }
1429
1430 static void
1431 em_audio_channel_volume_set(void *data, double vol)
1432 {
1433    Emotion_Generic_Video *ev = data;
1434
1435    if (vol > 1.0) vol = 1.0;
1436    if (vol < 0.0) vol = 0.0;
1437
1438    ev->volume = vol;
1439
1440    if (!ev || !ev->file_ready)
1441      return;
1442
1443    _player_send_cmd(ev, EM_CMD_VOLUME_SET);
1444    _player_send_float(ev, ev->volume);
1445 }
1446
1447 static double
1448 em_audio_channel_volume_get(void *data)
1449 {
1450    Emotion_Generic_Video *ev = data;
1451    return ev->volume;
1452 }
1453
1454 static int
1455 em_spu_channel_count(void *data)
1456 {
1457    Emotion_Generic_Video *ev = data;
1458    return ev->spu_channels_count;
1459 }
1460
1461 static void
1462 em_spu_channel_set(void *data, int channel)
1463 {
1464    Emotion_Generic_Video *ev = data;
1465
1466    if (channel < 0 || channel >= ev->spu_channels_count)
1467      {
1468         WRN("spu channel out of range.");
1469         return;
1470      }
1471
1472    _player_send_cmd(ev, EM_CMD_SPU_TRACK_SET);
1473    _player_send_int(ev, ev->spu_channels[channel].id);
1474    ev->spu_channel_current = channel;
1475 }
1476
1477 static int
1478 em_spu_channel_get(void *data)
1479 {
1480    Emotion_Generic_Video *ev = data;
1481    return ev->spu_channel_current;
1482 }
1483
1484 static const char *
1485 em_spu_channel_name_get(void *data, int channel)
1486 {
1487    Emotion_Generic_Video *ev = data;
1488
1489    if (channel < 0 || channel >= ev->spu_channels_count)
1490      {
1491         WRN("spu channel out of range.");
1492         return NULL;
1493      }
1494
1495    return ev->spu_channels[channel].name;
1496 }
1497
1498 static void
1499 em_spu_channel_mute_set(void *data, int mute)
1500 {
1501    Emotion_Generic_Video *ev = data;
1502
1503    ev->spu_mute = !!mute;
1504
1505    if (!ev || !ev->file_ready)
1506      return;
1507
1508    _player_send_cmd(ev, EM_CMD_SPU_MUTE_SET);
1509    _player_send_int(ev, mute);
1510 }
1511
1512 static int
1513 em_spu_channel_mute_get(void *data)
1514 {
1515    Emotion_Generic_Video *ev = data;
1516    return ev->spu_mute;
1517 }
1518
1519 static int
1520 em_chapter_count(void *ef __UNUSED__)
1521 {
1522    int num = 0;
1523    return num;
1524 }
1525
1526 static void
1527 em_chapter_set(void *ef __UNUSED__, int chapter __UNUSED__)
1528 {
1529 }
1530
1531 static int
1532 em_chapter_get(void *ef __UNUSED__)
1533 {
1534    int num = 0;
1535    return num;
1536 }
1537
1538 static const char *
1539 em_chapter_name_get(void *ef __UNUSED__, int chapter __UNUSED__)
1540 {
1541    return NULL;
1542 }
1543
1544 static void
1545 em_speed_set(void *data, double speed)
1546 {
1547    Emotion_Generic_Video *ev = data;
1548    float rate = speed;
1549    ev->speed = rate;
1550
1551    if (!ev || !ev->file_ready)
1552      return;
1553
1554    _player_send_cmd(ev, EM_CMD_SPEED_SET);
1555    _player_send_float(ev, rate);
1556 }
1557
1558 static double
1559 em_speed_get(void *data)
1560 {
1561    Emotion_Generic_Video *ev = data;
1562    return (double)ev->speed;
1563 }
1564
1565 static int
1566 em_eject(void *ef __UNUSED__)
1567 {
1568    return 1;
1569 }
1570
1571 static const char *
1572 em_meta_get(void *data, int meta)
1573 {
1574    Emotion_Generic_Video *ev = data;
1575
1576    switch (meta) {
1577       case EMOTION_META_INFO_TRACK_TITLE:
1578          return ev->meta.title;
1579       case EMOTION_META_INFO_TRACK_ARTIST:
1580          return ev->meta.artist;
1581       case EMOTION_META_INFO_TRACK_ALBUM:
1582          return ev->meta.album;
1583       case EMOTION_META_INFO_TRACK_YEAR:
1584          return ev->meta.year;
1585       case EMOTION_META_INFO_TRACK_GENRE:
1586          return ev->meta.genre;
1587       case EMOTION_META_INFO_TRACK_COMMENT:
1588          return ev->meta.comment;
1589       case EMOTION_META_INFO_TRACK_DISC_ID:
1590          return ev->meta.disc_id;
1591       case EMOTION_META_INFO_TRACK_COUNT:
1592          return ev->meta.count;
1593    }
1594
1595    return NULL;
1596 }
1597
1598 static Emotion_Video_Module em_module =
1599 {
1600    em_init, /* init */
1601    em_shutdown, /* shutdown */
1602    em_file_open, /* file_open */
1603    em_file_close, /* file_close */
1604    em_play, /* play */
1605    em_stop, /* stop */
1606    em_size_get, /* size_get */
1607    em_pos_set, /* pos_set */
1608    em_len_get, /* len_get */
1609    em_fps_num_get, /* fps_num_get */
1610    em_fps_den_get, /* fps_den_get */
1611    em_fps_get, /* fps_get */
1612    em_pos_get, /* pos_get */
1613    em_vis_set, /* vis_set */
1614    em_vis_get, /* vis_get */
1615    em_vis_supported, /* vis_supported */
1616    em_ratio_get, /* ratio_get */
1617    em_video_handled, /* video_handled */
1618    em_audio_handled, /* audio_handled */
1619    em_seekable, /* seekable */
1620    em_frame_done, /* frame_done */
1621    em_format_get, /* format_get */
1622    em_video_data_size_get, /* video_data_size_get */
1623    em_yuv_rows_get, /* yuv_rows_get */
1624    em_bgra_data_get, /* bgra_data_get */
1625    em_event_feed, /* event_feed */
1626    em_event_mouse_button_feed, /* event_mouse_button_feed */
1627    em_event_mouse_move_feed, /* event_mouse_move_feed */
1628    em_video_channel_count, /* video_channel_count */
1629    em_video_channel_set, /* video_channel_set */
1630    em_video_channel_get, /* video_channel_get */
1631    em_video_channel_name_get, /* video_channel_name_get */
1632    em_video_channel_mute_set, /* video_channel_mute_set */
1633    em_video_channel_mute_get, /* video_channel_mute_get */
1634    em_audio_channel_count, /* audio_channel_count */
1635    em_audio_channel_set, /* audio_channel_set */
1636    em_audio_channel_get, /* audio_channel_get */
1637    em_audio_channel_name_get, /* audio_channel_name_get */
1638    em_audio_channel_mute_set, /* audio_channel_mute_set */
1639    em_audio_channel_mute_get, /* audio_channel_mute_get */
1640    em_audio_channel_volume_set, /* audio_channel_volume_set */
1641    em_audio_channel_volume_get, /* audio_channel_volume_get */
1642    em_spu_channel_count, /* spu_channel_count */
1643    em_spu_channel_set, /* spu_channel_set */
1644    em_spu_channel_get, /* spu_channel_get */
1645    em_spu_channel_name_get, /* spu_channel_name_get */
1646    em_spu_channel_mute_set, /* spu_channel_mute_set */
1647    em_spu_channel_mute_get, /* spu_channel_mute_get */
1648    em_chapter_count, /* chapter_count */
1649    em_chapter_set, /* chapter_set */
1650    em_chapter_get, /* chapter_get */
1651    em_chapter_name_get, /* chapter_name_get */
1652    em_speed_set, /* speed_set */
1653    em_speed_get, /* speed_get */
1654    em_eject, /* eject */
1655    em_meta_get, /* meta_get */
1656    NULL /* handle */
1657 };
1658
1659 static Eina_Bool
1660 module_open(Evas_Object *obj, const Emotion_Video_Module **module, void **video, Emotion_Module_Options *opt)
1661 {
1662    if (!module) {
1663         return EINA_FALSE;
1664    }
1665
1666    if (_emotion_generic_log_domain < 0)
1667      {
1668         eina_threads_init();
1669         eina_log_threads_enable();
1670         _emotion_generic_log_domain = eina_log_domain_register
1671           ("emotion-generic", EINA_COLOR_LIGHTCYAN);
1672         if (_emotion_generic_log_domain < 0)
1673           {
1674              EINA_LOG_CRIT("Could not register log domain 'emotion-generic'");
1675              return EINA_FALSE;
1676           }
1677      }
1678
1679
1680    if (!em_module.init(obj, video, opt))        {
1681         return EINA_FALSE;
1682    }
1683
1684    *module = &em_module;
1685
1686    return EINA_TRUE;
1687 }
1688
1689 static void module_close(Emotion_Video_Module *module __UNUSED__, void *video)
1690 {
1691         em_module.shutdown(video);
1692 }
1693
1694
1695 Eina_Bool
1696 generic_module_init(void)
1697 {
1698    if (!pfx)
1699      {
1700         pfx = eina_prefix_new(NULL, emotion_object_add,
1701                               "EMOTION", "emotion", NULL,
1702                               PACKAGE_BIN_DIR,
1703                               PACKAGE_LIB_DIR,
1704                               PACKAGE_DATA_DIR,
1705                               "");
1706         if (!pfx) return EINA_FALSE;
1707      }
1708    return _emotion_module_register("generic", module_open, module_close);
1709 }
1710
1711 static void
1712 generic_module_shutdown(void)
1713 {
1714    if (pfx)
1715      {
1716         eina_prefix_free(pfx);
1717         pfx = NULL;
1718      }
1719    _emotion_module_unregister("generic");
1720 }
1721
1722 #ifndef EMOTION_STATIC_BUILD_GENERIC
1723
1724 EINA_MODULE_INIT(generic_module_init);
1725 EINA_MODULE_SHUTDOWN(generic_module_shutdown);
1726
1727 #endif
1728