src/modules/generic/emotion_generic.c

   1 #ifdef HAVE_CONFIG_H
   2 # include "config.h"
   3 #endif
   4
   5 #include <sys/mman.h>
   6 #include <sys/stat.h>
   7 #include <sys/time.h>
   8 #include <sys/types.h>
   9 #include <fcntl.h>
  10 #include <unistd.h>
  11 #include <errno.h>
  12
  13 #include <Eina.h>
  14 #include <Evas.h>
  15 #include <Ecore.h>
  16
  17 #include "Emotion.h"
  18 #include "emotion_private.h"
  19 #include "emotion_generic.h"
  20
  21 static Eina_Prefix *pfx = NULL;
  22
  23 static int _emotion_generic_log_domain = -1;
  24 #define DBG(...) EINA_LOG_DOM_DBG(_emotion_generic_log_domain, __VA_ARGS__)
  25 #define INF(...) EINA_LOG_DOM_INFO(_emotion_generic_log_domain, __VA_ARGS__)
  26 #define WRN(...) EINA_LOG_DOM_WARN(_emotion_generic_log_domain, __VA_ARGS__)
  27 #define ERR(...) EINA_LOG_DOM_ERR(_emotion_generic_log_domain, __VA_ARGS__)
  28 #define CRITICAL(...) EINA_LOG_DOM_CRIT(_emotion_generic_log_domain, __VA_ARGS__)
  29
  30
  31 struct _default_players {
  32    const char *name;
  33    const char *cmdline;
  34 };
  35
  36 static struct _default_players players[] = {
  37 #ifdef EMOTION_BUILD_GENERIC_VLC
  38        { "vlc", "em_generic_vlc" },
  39 #endif
  40        { NULL, NULL }
  41 };
  42
  43 static const char *
  44 _get_player(const char *name)
  45 {
  46    const char *selected_name = NULL;
  47    const char *libdir = eina_prefix_lib_get(pfx);
  48    static char buf[PATH_MAX];
  49    int i;
  50
  51    if (name)
  52      {
  53         for (i = 0; players[i].name; i++)
  54           {
  55              if (!strcmp(players[i].name, name))
  56                {
  57                   selected_name = players[i].cmdline;
  58                   break;
  59                }
  60           }
  61      }
  62
  63    if ((!selected_name) && (name))
  64      selected_name = name;
  65
  66    if (selected_name)
  67      {
  68         const char *cmd;
  69
  70         if (selected_name[0] == '/') cmd = selected_name;
  71         else
  72           {
  73              snprintf(buf, sizeof(buf), "%s/emotion/utils/%s",
  74                       libdir, selected_name);
  75              cmd = buf;
  76           }
  77
  78         DBG("Try generic player '%s'", cmd);
  79         if (access(cmd, R_OK | X_OK) == 0)
  80           {
  81              INF("Using generic player '%s'", cmd);
  82              return cmd;
  83           }
  84      }
  85
  86    for (i = 0; players[i].name; i++)
  87      {
  88         snprintf(buf, sizeof(buf), "%s/emotion/utils/%s",
  89                  libdir, players[i].cmdline);
  90         DBG("Try generic player '%s'", buf);
  91         if (access(buf, R_OK | X_OK) == 0)
  92           {
  93              INF("Using fallback player '%s'", buf);
  94              return buf;
  95           }
  96      }
  97
  98    ERR("no generic player found, given name='%s'", name ? name : "");
  99    return NULL;
 100 }
 101
 102 static void
 103 _player_send_cmd(Emotion_Generic_Video *ev, int cmd)
 104 {
 105    if (cmd >= EM_CMD_LAST)
 106      {
 107         ERR("invalid command to player.");
 108         return;
 109      }
 110    if (write(ev->fd_write, &cmd, sizeof(cmd)) < 0) perror("write");
 111 }
 112
 113 static void
 114 _player_send_int(Emotion_Generic_Video *ev, int number)
 115 {
 116    if (write(ev->fd_write, &number, sizeof(number)) < 0) perror("write");
 117 }
 118
 119 static void
 120 _player_send_float(Emotion_Generic_Video *ev, float number)
 121 {
 122    if (write(ev->fd_write, &number, sizeof(number)) < 0) perror("write");
 123 }
 124
 125 static void
 126 _player_send_str(Emotion_Generic_Video *ev, const char *str, Eina_Bool stringshared)
 127 {
 128    int len;
 129
 130    if (stringshared)
 131      len = eina_stringshare_strlen(str) + 1;
 132    else
 133      len = strlen(str) + 1;
 134    if (write(ev->fd_write, &len, sizeof(len)) < 0) perror("write");
 135    if (write(ev->fd_write, str, len) < 0) perror("write");
 136 }
 137
 138 static Eina_Bool
 139 _create_shm_data(Emotion_Generic_Video *ev, const char *shmname)
 140 {
 141    int shmfd;
 142    int npages;
 143    size_t size;
 144    Emotion_Generic_Video_Shared *vs;
 145
 146    shmfd = shm_open(shmname, O_CREAT | O_RDWR | O_TRUNC, 0777);
 147    if (shmfd == -1)
 148      {
 149         ERR("player: could not open shm: %s", shmname);
 150         ERR("player: %s", strerror(errno));
 151         return 0;
 152      }
 153    size = 3 * (ev->w * ev->h * DEFAULTPITCH) + sizeof(*vs);
 154
 155    npages = (int)(size / getpagesize()) + 1;
 156    size = npages * getpagesize();
 157
 158    if (ftruncate(shmfd, size))
 159      {
 160         ERR("error when allocating shared memory (size = %zd): "
 161             "%s", size, strerror(errno));
 162         shm_unlink(shmname);
 163         return EINA_FALSE;
 164      }
 165    vs = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, shmfd, 0);
 166    if (vs == MAP_FAILED)
 167      {
 168         ERR("error when mapping shared memory");
 169         return EINA_FALSE;
 170      }
 171
 172    vs->size = size;
 173    vs->width = ev->w;
 174    vs->height = ev->h;
 175    vs->pitch = DEFAULTPITCH;
 176    vs->frame.emotion = 0;
 177    vs->frame.player = 1;
 178    vs->frame.last = 2;
 179    vs->frame.next = 2;
 180    vs->frame_drop = 0;
 181    if (!eina_semaphore_new(&vs->lock, 1))
 182      {
 183         ERR("can not create semaphore");
 184         return EINA_FALSE;
 185      }
 186    ev->frame.frames[0] = (unsigned char *)vs + sizeof(*vs);
 187    ev->frame.frames[1] = (unsigned char *)vs + sizeof(*vs) + vs->height * vs->width * vs->pitch;
 188    ev->frame.frames[2] = (unsigned char *)vs + sizeof(*vs) + 2 * vs->height * vs->width * vs->pitch;
 189
 190    if (ev->shared)
 191      munmap(ev->shared, ev->shared->size);
 192    ev->shared = vs;
 193
 194    return EINA_TRUE;
 195 }
 196
 197 static void
 198 _player_new_frame(Emotion_Generic_Video *ev)
 199 {
 200    if (!ev->file_ready)
 201      return;
 202    _emotion_frame_new(ev->obj);
 203 }
 204
 205 static void
 206 _file_open(Emotion_Generic_Video *ev)
 207 {
 208    INF("Opening file: %s", ev->filename);
 209    ev->drop = 0;
 210
 211    if (!ev->ready || !ev->filename)
 212      return;
 213    _player_send_cmd(ev, EM_CMD_FILE_SET);
 214    _player_send_str(ev, ev->filename, EINA_TRUE);
 215 }
 216
 217 static void
 218 _player_file_set_done(Emotion_Generic_Video *ev)
 219 {
 220    if (ev->file_changed)
 221      {
 222         _file_open(ev);
 223         ev->file_changed = EINA_FALSE;
 224         return;
 225      }
 226
 227    if (!_create_shm_data(ev, ev->shmname))
 228      {
 229         ERR("could not create shared memory.");
 230         return;
 231      }
 232    _player_send_cmd(ev, EM_CMD_FILE_SET_DONE);
 233 }
 234
 235 static void
 236 _player_ready(Emotion_Generic_Video *ev)
 237 {
 238    INF("received: player ready.");
 239
 240    ev->initializing = EINA_FALSE;
 241    ev->ready = EINA_TRUE;
 242
 243    if (!ev->filename)
 244      return;
 245
 246    _file_open(ev);
 247 }
 248
 249 static Eina_Bool
 250 _player_cmd_param_read(Emotion_Generic_Video *ev, void *param, size_t size)
 251 {
 252    ssize_t done, todo, i;
 253
 254    /* When a parameter must be read, we cannot make sure it will be entirely
 255     * available. Thus we store the bytes that could be read in a temp buffer,
 256     * and when more data is read we try to complete the buffer and finally use
 257     * the read value.
 258     */
 259    if (!ev->cmd.tmp)
 260      {
 261         ev->cmd.tmp = malloc(size);
 262         ev->cmd.i = 0;
 263         ev->cmd.total = size;
 264      }
 265
 266    todo = ev->cmd.total - ev->cmd.i;
 267    i = ev->cmd.i;
 268    done = read(ev->fd_read, &ev->cmd.tmp[i], todo);
 269
 270    if (done < 0 &&  errno != EINTR && errno != EAGAIN)
 271      {
 272         if (ev->cmd.tmp)
 273           {
 274              free(ev->cmd.tmp);
 275              ev->cmd.tmp = NULL;
 276           }
 277         ERR("problem when reading parameter from pipe.");
 278         ev->cmd.type = -1;
 279         return EINA_FALSE;
 280      }
 281
 282    if (done == todo)
 283      {
 284         memcpy(param, ev->cmd.tmp, size);
 285         free(ev->cmd.tmp);
 286         ev->cmd.tmp = NULL;
 287         return EINA_TRUE;
 288      }
 289
 290    if (done > 0)
 291      ev->cmd.i += done;
 292
 293    return EINA_FALSE;
 294 }
 295
 296 static void
 297 _player_frame_resize(Emotion_Generic_Video *ev)
 298 {
 299    int w, h;
 300
 301    w = ev->cmd.param.size.width;
 302    h = ev->cmd.param.size.height;
 303
 304    INF("received frame resize: %dx%d", w, h);
 305    ev->w = w;
 306    ev->h = h;
 307    ev->ratio = (float)w / h;
 308
 309    if (ev->opening)
 310      return;
 311
 312    _emotion_frame_resize(ev->obj, ev->w, ev->h, ev->ratio);
 313 }
 314
 315 static void
 316 _player_length_changed(Emotion_Generic_Video *ev)
 317 {
 318    float length = ev->cmd.param.f_num;
 319
 320    INF("received length changed: %0.3f", length);
 321
 322    ev->len = length;
 323    _emotion_video_pos_update(ev->obj, ev->pos, ev->len);
 324 }
 325
 326 static void
 327 _player_position_changed(Emotion_Generic_Video *ev)
 328 {
 329    float position = ev->cmd.param.f_num;
 330
 331    INF("received position changed: %0.3f", position);
 332
 333    ev->pos = position;
 334    _emotion_video_pos_update(ev->obj, ev->pos, ev->len);
 335 /* hmmm. no _emotion_progress_set() is for "buffering" progress.
 336    if (ev->len == 0)
 337      return;
 338
 339    float progress = ev->pos / ev->len;
 340    char buf[16];
 341    snprintf(buf, sizeof(buf), "%0.1f%%", progress * 100);
 342
 343    _emotion_progress_set(ev->obj, buf, progress);
 344  */
 345 }
 346
 347 static void
 348 _player_seekable_changed(Emotion_Generic_Video *ev)
 349 {
 350    int seekable = ev->cmd.param.i_num;
 351
 352    INF("received seekable changed: %d", seekable);
 353
 354    seekable = !!seekable;
 355
 356    ev->seekable = seekable;
 357 }
 358
 359 static void
 360 _audio_channels_free(Emotion_Generic_Video *ev)
 361 {
 362    int i;
 363    for (i = 0; i < ev->audio_channels_count; i++)
 364      eina_stringshare_del(ev->audio_channels[i].name);
 365    free(ev->audio_channels);
 366    ev->audio_channels_count = 0;
 367 }
 368
 369 static void
 370 _video_channels_free(Emotion_Generic_Video *ev)
 371 {
 372    int i;
 373    for (i = 0; i < ev->video_channels_count; i++)
 374      eina_stringshare_del(ev->video_channels[i].name);
 375    free(ev->video_channels);
 376    ev->video_channels_count = 0;
 377 }
 378
 379 static void
 380 _spu_channels_free(Emotion_Generic_Video *ev)
 381 {
 382    int i;
 383    for (i = 0; i < ev->spu_channels_count; i++)
 384      eina_stringshare_del(ev->spu_channels[i].name);
 385    free(ev->spu_channels);
 386    ev->spu_channels_count = 0;
 387 }
 388
 389 static void
 390 _player_tracks_info(Emotion_Generic_Video *ev, Emotion_Generic_Channel **channels, int *count, int *current)
 391 {
 392    Emotion_Generic_Channel *pchannels;
 393    int i;
 394
 395    *count = ev->cmd.param.track.total;
 396    *current = ev->cmd.param.track.current;
 397    pchannels = ev->cmd.param.track.channels;
 398
 399    INF("number of tracks: %d (current = %d):", *count, *current);
 400    for (i = 0; i < *count; i++)
 401      {
 402         INF("\tchannel %d: %s", pchannels[i].id, pchannels[i].name);
 403      }
 404
 405    *channels = pchannels;
 406 }
 407
 408 static void
 409 _player_audio_tracks_info(Emotion_Generic_Video *ev)
 410 {
 411    INF("Receiving audio channels:");
 412    if (ev->audio_channels_count)
 413      _audio_channels_free(ev);
 414
 415    _player_tracks_info(ev, &ev->audio_channels, &ev->audio_channels_count,
 416                        &ev->audio_channel_current);
 417 }
 418
 419 static void
 420 _player_video_tracks_info(Emotion_Generic_Video *ev)
 421 {
 422    INF("Receiving video channels:");
 423    if (ev->video_channels_count)
 424      _video_channels_free(ev);
 425
 426    _player_tracks_info(ev, &ev->video_channels, &ev->video_channels_count,
 427                        &ev->video_channel_current);
 428 }
 429
 430 static void
 431 _player_spu_tracks_info(Emotion_Generic_Video *ev)
 432 {
 433    INF("Receiving spu channels:");
 434    if (ev->spu_channels_count)
 435      _spu_channels_free(ev);
 436
 437    _player_tracks_info(ev, &ev->spu_channels, &ev->spu_channels_count,
 438                        &ev->spu_channel_current);
 439 }
 440
 441 static void
 442 _player_meta_info_free(Emotion_Generic_Video *ev)
 443 {
 444    eina_stringshare_replace(&ev->meta.title, NULL);
 445    eina_stringshare_replace(&ev->meta.artist, NULL);
 446    eina_stringshare_replace(&ev->meta.album, NULL);
 447    eina_stringshare_replace(&ev->meta.year, NULL);
 448    eina_stringshare_replace(&ev->meta.genre, NULL);
 449    eina_stringshare_replace(&ev->meta.comment, NULL);
 450    eina_stringshare_replace(&ev->meta.disc_id, NULL);
 451    eina_stringshare_replace(&ev->meta.count, NULL);
 452 }
 453
 454 static void
 455 _player_meta_info_read(Emotion_Generic_Video *ev)
 456 {
 457    INF("Receiving meta info:");
 458    _player_meta_info_free(ev);
 459    ev->meta.title = ev->cmd.param.meta.title;
 460    ev->meta.artist = ev->cmd.param.meta.artist;
 461    ev->meta.album = ev->cmd.param.meta.album;
 462    ev->meta.year = ev->cmd.param.meta.year;
 463    ev->meta.genre = ev->cmd.param.meta.genre;
 464    ev->meta.comment = ev->cmd.param.meta.comment;
 465    ev->meta.disc_id = ev->cmd.param.meta.disc_id;
 466    ev->meta.count = ev->cmd.param.meta.count;
 467    INF("title: '%s'", ev->meta.title);
 468    INF("artist: '%s'", ev->meta.artist);
 469    INF("album: '%s'", ev->meta.album);
 470    INF("year: '%s'", ev->meta.year);
 471    INF("genre: '%s'", ev->meta.genre);
 472    INF("comment: '%s'", ev->meta.comment);
 473    INF("disc_id: '%s'", ev->meta.disc_id);
 474    INF("count: '%s'", ev->meta.count);
 475 }
 476
 477 static void
 478 _player_file_closed(Emotion_Generic_Video *ev)
 479 {
 480    INF("Closed previous file.");
 481    eina_semaphore_free(&ev->shared->lock);
 482    ev->closing = EINA_FALSE;
 483
 484    if (ev->opening)
 485      _file_open(ev);
 486 }
 487
 488 static void
 489 _player_open_done(Emotion_Generic_Video *ev)
 490 {
 491    int success;
 492
 493    success = ev->cmd.param.i_num;
 494    shm_unlink(ev->shmname);
 495
 496    if (ev->file_changed)
 497      {
 498         _file_open(ev);
 499         ev->file_changed = EINA_FALSE;
 500         return;
 501      }
 502
 503    ev->opening = EINA_FALSE;
 504    if (!success)
 505      {
 506         ERR("Could not open file.");
 507         return;
 508      }
 509
 510    ev->file_ready = EINA_TRUE;
 511
 512    _emotion_open_done(ev->obj);
 513
 514    if (ev->play)
 515      {
 516         _player_send_cmd(ev, EM_CMD_PLAY);
 517         _player_send_float(ev, ev->pos);
 518      }
 519
 520    _player_send_cmd(ev, EM_CMD_VOLUME_SET);
 521    _player_send_float(ev, ev->volume);
 522
 523    _player_send_cmd(ev, EM_CMD_SPEED_SET);
 524    _player_send_float(ev, ev->speed);
 525
 526    int mute = ev->audio_mute;
 527    _player_send_cmd(ev, EM_CMD_AUDIO_MUTE_SET);
 528    _player_send_int(ev, mute);
 529
 530    mute = ev->video_mute;
 531    _player_send_cmd(ev, EM_CMD_VIDEO_MUTE_SET);
 532    _player_send_int(ev, mute);
 533
 534    mute = ev->spu_mute;
 535    _player_send_cmd(ev, EM_CMD_SPU_MUTE_SET);
 536    _player_send_int(ev, mute);
 537
 538    INF("Open done");
 539 }
 540
 541 static void
 542 _player_cmd_process(Emotion_Generic_Video *ev)
 543 {
 544    switch (ev->cmd.type) {
 545       case EM_RESULT_INIT:
 546          _player_ready(ev);
 547          break;
 548       case EM_RESULT_FRAME_NEW:
 549          _player_new_frame(ev);
 550          break;
 551       case EM_RESULT_FILE_SET:
 552          _player_file_set_done(ev);
 553          break;
 554       case EM_RESULT_FILE_SET_DONE:
 555          _player_open_done(ev);
 556          break;
 557       case EM_RESULT_FILE_CLOSE:
 558          _player_file_closed(ev);
 559          break;
 560       case EM_RESULT_PLAYBACK_STOPPED:
 561          _emotion_playback_finished(ev->obj);
 562          break;
 563       case EM_RESULT_FRAME_SIZE:
 564          _player_frame_resize(ev);
 565          break;
 566       case EM_RESULT_LENGTH_CHANGED:
 567          _player_length_changed(ev);
 568          break;
 569       case EM_RESULT_POSITION_CHANGED:
 570          _player_position_changed(ev);
 571          break;
 572       case EM_RESULT_SEEKABLE_CHANGED:
 573          _player_seekable_changed(ev);
 574          break;
 575       case EM_RESULT_AUDIO_TRACK_INFO:
 576          _player_audio_tracks_info(ev);
 577          break;
 578       case EM_RESULT_VIDEO_TRACK_INFO:
 579          _player_video_tracks_info(ev);
 580          break;
 581       case EM_RESULT_SPU_TRACK_INFO:
 582          _player_spu_tracks_info(ev);
 583          break;
 584       case EM_RESULT_META_INFO:
 585          _player_meta_info_read(ev);
 586          break;
 587       default:
 588          WRN("received wrong command: %d", ev->cmd.type);
 589    }
 590
 591    ev->cmd.type = -1;
 592 }
 593
 594 static void
 595 _player_cmd_single_int_process(Emotion_Generic_Video *ev)
 596 {
 597    if (!_player_cmd_param_read(ev, &ev->cmd.param.i_num, sizeof(ev->cmd.param.i_num)))
 598      return;
 599
 600    _player_cmd_process(ev);
 601 }
 602
 603 static void
 604 _player_cmd_single_float_process(Emotion_Generic_Video *ev)
 605 {
 606    if (!_player_cmd_param_read(ev, &ev->cmd.param.f_num, sizeof(ev->cmd.param.f_num)))
 607      return;
 608
 609    _player_cmd_process(ev);
 610 }
 611
 612 static void
 613 _player_cmd_double_int_process(Emotion_Generic_Video *ev)
 614 {
 615    int param;
 616
 617    if (ev->cmd.num_params == 0)
 618      {
 619         ev->cmd.num_params = 2;
 620         ev->cmd.cur_param = 0;
 621         ev->cmd.param.size.width = 0;
 622         ev->cmd.param.size.height = 0;
 623      }
 624
 625    if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 626      return;
 627
 628    if (ev->cmd.cur_param == 0)
 629      ev->cmd.param.size.width = param;
 630    else
 631      ev->cmd.param.size.height = param;
 632
 633    ev->cmd.cur_param++;
 634    if (ev->cmd.cur_param == ev->cmd.num_params)
 635      _player_cmd_process(ev);
 636 }
 637
 638 static void
 639 _player_cmd_track_info(Emotion_Generic_Video *ev)
 640 {
 641    int param;
 642    int i;
 643
 644    if (ev->cmd.num_params == 0)
 645      {
 646         ev->cmd.cur_param = 0;
 647         ev->cmd.num_params = 2;
 648         ev->cmd.param.track.channels = NULL;
 649         ev->cmd.s_len = -1;
 650      }
 651
 652    while (ev->cmd.cur_param < 2)
 653      {
 654         if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 655           return;
 656
 657         if (ev->cmd.cur_param == 0)
 658           ev->cmd.param.track.current = param;
 659         else
 660           {
 661              ev->cmd.param.track.total = param;
 662              ev->cmd.num_params += param * 2;
 663              ev->cmd.param.track.channels =
 664                 calloc(param, sizeof(*ev->cmd.param.track.channels));
 665           }
 666         ev->cmd.cur_param++;
 667      }
 668
 669    if (ev->cmd.cur_param == ev->cmd.num_params)
 670      {
 671         _player_cmd_process(ev);
 672         return;
 673      }
 674
 675    i = (ev->cmd.cur_param - 2) / 2;
 676    if ((ev->cmd.cur_param % 2) == 0) // reading track id
 677      {
 678         if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 679           return;
 680         ev->cmd.param.track.channels[i].id = param;
 681         ev->cmd.cur_param++;
 682      }
 683    else // reading track name
 684      {
 685         char buf[PATH_MAX];
 686
 687         if (ev->cmd.s_len == -1)
 688           {
 689              if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 690                return;
 691              ev->cmd.s_len = param;
 692           }
 693
 694         if (!_player_cmd_param_read(ev, buf, ev->cmd.s_len))
 695           return;
 696         ev->cmd.param.track.channels[i].name =
 697            eina_stringshare_add_length(buf, ev->cmd.s_len);
 698         ev->cmd.cur_param++;
 699         ev->cmd.s_len = -1;
 700      }
 701
 702    if (ev->cmd.cur_param == ev->cmd.num_params)
 703      _player_cmd_process(ev);
 704 }
 705
 706 static void
 707 _player_cmd_meta_info(Emotion_Generic_Video *ev)
 708 {
 709    int param;
 710    const char *info;
 711    char buf[PATH_MAX];
 712
 713    if (ev->cmd.num_params == 0)
 714      {
 715         ev->cmd.cur_param = 0;
 716         ev->cmd.num_params = 8;
 717         ev->cmd.param.meta.title = NULL;
 718         ev->cmd.param.meta.artist = NULL;
 719         ev->cmd.param.meta.album = NULL;
 720         ev->cmd.param.meta.year = NULL;
 721         ev->cmd.param.meta.genre = NULL;
 722         ev->cmd.param.meta.comment = NULL;
 723         ev->cmd.param.meta.disc_id = NULL;
 724         ev->cmd.param.meta.count = NULL;
 725         ev->cmd.s_len = -1;
 726      }
 727
 728    if (ev->cmd.s_len == -1)
 729      {
 730         if (!_player_cmd_param_read(ev, &param, sizeof(param)))
 731           return;
 732         ev->cmd.s_len = param;
 733      }
 734
 735    if (!_player_cmd_param_read(ev, buf, ev->cmd.s_len))
 736      return;
 737
 738    info = eina_stringshare_add_length(buf, ev->cmd.s_len);
 739    ev->cmd.s_len = -1;
 740
 741    if (ev->cmd.cur_param == 0)
 742      ev->cmd.param.meta.title = info;
 743    else if (ev->cmd.cur_param == 1)
 744      ev->cmd.param.meta.artist = info;
 745    else if (ev->cmd.cur_param == 2)
 746      ev->cmd.param.meta.album = info;
 747    else if (ev->cmd.cur_param == 3)
 748      ev->cmd.param.meta.year = info;
 749    else if (ev->cmd.cur_param == 4)
 750      ev->cmd.param.meta.genre = info;
 751    else if (ev->cmd.cur_param == 5)
 752      ev->cmd.param.meta.comment = info;
 753    else if (ev->cmd.cur_param == 6)
 754      ev->cmd.param.meta.disc_id = info;
 755    else if (ev->cmd.cur_param == 7)
 756      ev->cmd.param.meta.count = info;
 757
 758    ev->cmd.cur_param++;
 759
 760    if (ev->cmd.cur_param == 8)
 761      _player_cmd_process(ev);
 762 }
 763
 764 static void
 765 _player_cmd_read(Emotion_Generic_Video *ev)
 766 {
 767    if (ev->cmd.type < 0)
 768      {
 769         if (!_player_cmd_param_read(ev, &ev->cmd.type, sizeof(ev->cmd.type)))
 770           return;
 771         ev->cmd.num_params = 0;
 772      }
 773
 774    switch (ev->cmd.type) {
 775       case EM_RESULT_INIT:
 776       case EM_RESULT_FILE_SET:
 777       case EM_RESULT_PLAYBACK_STOPPED:
 778       case EM_RESULT_FILE_CLOSE:
 779       case EM_RESULT_FRAME_NEW:
 780          _player_cmd_process(ev);
 781          break;
 782       case EM_RESULT_FILE_SET_DONE:
 783       case EM_RESULT_SEEKABLE_CHANGED:
 784          _player_cmd_single_int_process(ev);
 785          break;
 786       case EM_RESULT_LENGTH_CHANGED:
 787       case EM_RESULT_POSITION_CHANGED:
 788          _player_cmd_single_float_process(ev);
 789          break;
 790       case EM_RESULT_FRAME_SIZE:
 791          _player_cmd_double_int_process(ev);
 792          break;
 793       case EM_RESULT_AUDIO_TRACK_INFO:
 794       case EM_RESULT_VIDEO_TRACK_INFO:
 795       case EM_RESULT_SPU_TRACK_INFO:
 796          _player_cmd_track_info(ev);
 797          break;
 798       case EM_RESULT_META_INFO:
 799          _player_cmd_meta_info(ev);
 800          break;
 801
 802       default:
 803          WRN("received wrong command: %d", ev->cmd.type);
 804          ev->cmd.type = -1;
 805    }
 806 }
 807
 808 static Eina_Bool
 809 _player_cmd_handler_cb(void *data, Ecore_Fd_Handler *fd_handler)
 810 {
 811    Emotion_Generic_Video *ev = data;
 812
 813    if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_ERROR))
 814      {
 815         ERR("an error occurred on fd_read %d.", ev->fd_read);
 816         return ECORE_CALLBACK_CANCEL;
 817      }
 818
 819    _player_cmd_read(ev);
 820
 821    return ECORE_CALLBACK_RENEW;
 822 }
 823
 824 static Eina_Bool
 825 _player_data_cb(void *data, int type __UNUSED__, void *event)
 826 {
 827    Ecore_Exe_Event_Data *ev = event;
 828    Emotion_Generic_Video *evideo = data;
 829    int i;
 830
 831    if (ev->exe != evideo->player.exe)
 832      {
 833         ERR("slave != ev->exe");
 834         return ECORE_CALLBACK_DONE;
 835      }
 836
 837    for (i = 0; ev->lines[i].line; i++)
 838      INF("received input from player: \"%s\"", ev->lines[i].line);
 839
 840    return ECORE_CALLBACK_DONE;
 841 }
 842
 843 static Eina_Bool
 844 _player_add_cb(void *data, int type __UNUSED__, void *event)
 845 {
 846    Ecore_Exe_Event_Add *event_add = event;
 847    Ecore_Exe *player = event_add->exe;
 848    Emotion_Generic_Video *ev = data;
 849
 850    if (ev->player.exe != player)
 851      {
 852         ERR("ev->player != player.");
 853         return ECORE_CALLBACK_DONE;
 854      }
 855
 856    _player_send_cmd(ev, EM_CMD_INIT);
 857    _player_send_str(ev, ev->shmname, EINA_TRUE);
 858
 859    return ECORE_CALLBACK_DONE;
 860 }
 861
 862 static Eina_Bool
 863 _player_del_cb(void *data, int type __UNUSED__, void *event __UNUSED__)
 864 {
 865    Emotion_Generic_Video *ev = data;
 866    ERR("player died.");
 867
 868    ev->player.exe = NULL;
 869    ev->ready = EINA_FALSE;
 870    ev->file_ready = EINA_FALSE;
 871    ecore_main_fd_handler_del(ev->fd_handler);
 872    close(ev->fd_read);
 873    close(ev->fd_write);
 874    ev->fd_read = -1;
 875    ev->fd_write = -1;
 876    _emotion_decode_stop(ev->obj);
 877
 878    return ECORE_CALLBACK_DONE;
 879 }
 880
 881 static Eina_Bool
 882 _player_exec(Emotion_Generic_Video *ev)
 883 {
 884    int pipe_out[2];
 885    int pipe_in[2];
 886    char buf[PATH_MAX];
 887
 888    if (pipe(pipe_out) == -1)
 889      {
 890         ERR("could not create pipe for communication emotion -> player: %s", strerror(errno));
 891         return EINA_FALSE;
 892      }
 893
 894    if (pipe(pipe_in) == -1)
 895      {
 896         ERR("could not create pipe for communication player -> emotion: %s", strerror(errno));
 897         close(pipe_out[0]);
 898         close(pipe_out[1]);
 899         return EINA_FALSE;
 900      }
 901
 902    snprintf(buf, sizeof(buf), "%s %d %d\n", ev->cmdline, pipe_out[0], pipe_in[1]);
 903
 904    ev->player.exe = ecore_exe_pipe_run(
 905       buf,
 906       ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_WRITE |
 907       ECORE_EXE_PIPE_READ_LINE_BUFFERED | ECORE_EXE_NOT_LEADER,
 908       ev);
 909
 910    INF("created pipe emotion -> player: %d -> %d", pipe_out[1], pipe_out[0]);
 911    INF("created pipe player -> emotion: %d -> %d", pipe_in[1], pipe_in[0]);
 912
 913    close(pipe_in[1]);
 914    close(pipe_out[0]);
 915
 916    if (!ev->player.exe)
 917      {
 918         close(pipe_in[0]);
 919         close(pipe_out[1]);
 920         return EINA_FALSE;
 921      }
 922
 923    ev->fd_read = pipe_in[0];
 924    ev->fd_write = pipe_out[1];
 925
 926    ev->fd_handler = ecore_main_fd_handler_add(
 927       ev->fd_read, ECORE_FD_READ | ECORE_FD_ERROR, _player_cmd_handler_cb, ev,
 928       NULL, NULL);
 929
 930    return EINA_TRUE;
 931 }
 932
 933 static Eina_Bool
 934 _fork_and_exec(Evas_Object *obj __UNUSED__, Emotion_Generic_Video *ev)
 935 {
 936    char shmname[256];
 937    struct timeval tv;
 938
 939    gettimeofday(&tv, NULL);
 940    snprintf(shmname, sizeof(shmname), "/em-generic-shm_%d_%d",
 941             (int)tv.tv_sec, (int)tv.tv_usec);
 942
 943    ev->shmname = eina_stringshare_add(shmname);
 944
 945    ev->player_add = ecore_event_handler_add(
 946       ECORE_EXE_EVENT_ADD, _player_add_cb, ev);
 947    ev->player_del = ecore_event_handler_add(
 948       ECORE_EXE_EVENT_DEL, _player_del_cb, ev);
 949    ev->player_data = ecore_event_handler_add(
 950       ECORE_EXE_EVENT_DATA, _player_data_cb, ev);
 951
 952
 953    if (!_player_exec(ev))
 954      {
 955         ERR("could not start player.");
 956         return EINA_FALSE;
 957      }
 958
 959    ev->initializing = EINA_TRUE;
 960
 961    return EINA_TRUE;
 962 }
 963
 964 static unsigned char
 965 em_init(Evas_Object *obj, void **emotion_video, Emotion_Module_Options *opt)
 966 {
 967    Emotion_Generic_Video *ev;
 968    const char *player;
 969
 970    if (!emotion_video) return 0;
 971    player = _get_player(opt ? opt->player : NULL);
 972    if (!player) return 0;
 973
 974    ev = (Emotion_Generic_Video *)calloc(1, sizeof(*ev));
 975    if (!ev) return 0;
 976
 977    ev->fd_read = -1;
 978    ev->fd_write = -1;
 979    ev->speed = 1.0;
 980    ev->volume = 0.5;
 981    ev->audio_mute = EINA_FALSE;
 982    ev->cmd.type = -1;
 983
 984    ev->obj = obj;
 985    ev->cmdline = eina_stringshare_add(player);
 986    *emotion_video = ev;
 987
 988    return _fork_and_exec(obj, ev);
 989 }
 990
 991 static int
 992 em_shutdown(void *data)
 993 {
 994    Emotion_Generic_Video *ev = data;
 995
 996    if (!ev) return 0;
 997
 998    if (ev->player.exe)
 999      {
1000         ecore_exe_terminate(ev->player.exe);
1001         ecore_exe_free(ev->player.exe);
1002         ev->player.exe = NULL;
1003      }
1004
1005    if (ev->shared)
1006      munmap(ev->shared, ev->shared->size);
1007
1008    if (ev->fd_read >= 0)
1009      close(ev->fd_read);
1010    if (ev->fd_write >= 0)
1011      close(ev->fd_write);
1012    if (ev->fd_handler)
1013      ecore_main_fd_handler_del(ev->fd_handler);
1014
1015    eina_stringshare_del(ev->cmdline);
1016    eina_stringshare_del(ev->shmname);
1017
1018    ecore_event_handler_del(ev->player_add);
1019    ecore_event_handler_del(ev->player_data);
1020    ecore_event_handler_del(ev->player_del);
1021
1022    return 1;
1023 }
1024
1025 static unsigned char
1026 em_file_open(const char *file, Evas_Object *obj __UNUSED__, void *data)
1027 {
1028    Emotion_Generic_Video *ev = data;
1029    INF("file set: %s", file);
1030    if (!ev) return 0;
1031
1032    eina_stringshare_replace(&ev->filename, file);
1033
1034    ev->pos = 0;
1035    ev->w = 0;
1036    ev->h = 0;
1037    ev->ratio = 1;
1038    ev->len = 0;
1039
1040    if (ev->ready && ev->opening)
1041      {
1042         INF("file changed while opening.");
1043         ev->file_changed = EINA_TRUE;
1044         return 1;
1045      }
1046
1047    ev->opening = EINA_TRUE;
1048
1049    if (!ev->closing)
1050      _file_open(ev);
1051
1052    return 1;
1053 }
1054
1055 static void
1056 em_file_close(void *data)
1057 {
1058    Emotion_Generic_Video *ev = data;
1059
1060    if (!ev || !ev->filename) return;
1061
1062    INF("file close: %s", ev->filename);
1063
1064    eina_stringshare_replace(&ev->filename, NULL);
1065
1066    ev->file_ready = EINA_FALSE;
1067    _audio_channels_free(ev);
1068    _video_channels_free(ev);
1069    _spu_channels_free(ev);
1070    _player_meta_info_free(ev);
1071
1072    if (ev->opening)
1073      return;
1074
1075    _player_send_cmd(ev, EM_CMD_FILE_CLOSE);
1076    ev->closing = EINA_TRUE;
1077 }
1078
1079 static Emotion_Format
1080 em_format_get(void *ef __UNUSED__)
1081 {
1082    return EMOTION_FORMAT_BGRA;
1083 }
1084
1085 static void
1086 em_video_data_size_get(void *data, int *w, int *h)
1087 {
1088    Emotion_Generic_Video *ev = data;
1089
1090    if (!ev) return;
1091    if (w) *w = ev->w;
1092    if (h) *h = ev->h;
1093 }
1094
1095 static void
1096 em_play(void *data, double pos)
1097 {
1098    Emotion_Generic_Video *ev = data;
1099
1100    if (!ev)
1101      return;
1102
1103    ev->play = EINA_TRUE;
1104    INF("play: %0.3f", pos);
1105
1106    if (ev->initializing || ev->opening)
1107      return;
1108
1109    if (ev->ready)
1110      {
1111         _player_send_cmd(ev, EM_CMD_PLAY);
1112         _player_send_float(ev, ev->pos);
1113         return;
1114      }
1115
1116    if (!_player_exec(ev))
1117      ERR("could not start player.");
1118 }
1119
1120 static void
1121 em_stop(void *data)
1122 {
1123    Emotion_Generic_Video *ev = data;
1124
1125    if (!ev)
1126      return;
1127
1128    ev->play = EINA_FALSE;
1129
1130    if (!ev->file_ready)
1131      return;
1132
1133    _player_send_cmd(ev, EM_CMD_STOP);
1134    _emotion_decode_stop(ev->obj);
1135 }
1136
1137 static void
1138 em_size_get(void *data, int *w, int *h)
1139 {
1140    Emotion_Generic_Video *ev = data;
1141    if (w) *w = ev->w;
1142    if (h) *h = ev->h;
1143 }
1144
1145 static void
1146 em_pos_set(void *data, double pos)
1147 {
1148    Emotion_Generic_Video *ev = data;
1149    float position = pos;
1150
1151    if (!ev->file_ready)
1152      return;
1153
1154    _player_send_cmd(ev, EM_CMD_POSITION_SET);
1155    _player_send_float(ev, position);
1156    _emotion_seek_done(ev->obj);
1157 }
1158
1159 static double
1160 em_len_get(void *data)
1161 {
1162    Emotion_Generic_Video *ev = data;
1163    return ev->len;
1164 }
1165
1166 static double
1167 em_buffer_size_get(void *data __UNUSED__)
1168 {
1169    return 1.0;
1170 }
1171
1172 static int
1173 em_fps_num_get(void *data)
1174 {
1175    Emotion_Generic_Video *ev = data;
1176    return (int)(ev->fps * 1000.0);
1177 }
1178
1179 static int
1180 em_fps_den_get(void *ef __UNUSED__)
1181 {
1182    return 1000;
1183 }
1184
1185 static double
1186 em_fps_get(void *data)
1187 {
1188    Emotion_Generic_Video *ev = data;
1189    return ev->fps;
1190 }
1191
1192 static double
1193 em_pos_get(void *data)
1194 {
1195    Emotion_Generic_Video *ev = data;
1196    return ev->pos;
1197 }
1198
1199 static void
1200 em_vis_set(void *ef __UNUSED__, Emotion_Vis vis __UNUSED__)
1201 {
1202 }
1203
1204 static Emotion_Vis
1205 em_vis_get(void *data)
1206 {
1207    Emotion_Generic_Video *ev = data;
1208    return ev->vis;
1209 }
1210
1211 static Eina_Bool
1212 em_vis_supported(void *ef __UNUSED__, Emotion_Vis vis __UNUSED__)
1213 {
1214    return EINA_FALSE;
1215 }
1216
1217 static double
1218 em_ratio_get(void *data)
1219 {
1220    Emotion_Generic_Video *ev = data;
1221    return ev->ratio;
1222 }
1223
1224 static int em_video_handled(void *ef __UNUSED__)
1225 {
1226    fprintf(stderr, "video handled!\n");
1227    return 1;
1228 }
1229
1230 static int em_audio_handled(void *ef __UNUSED__)
1231 {
1232    fprintf(stderr, "audio handled!\n");
1233    return 1;
1234 }
1235
1236 static int em_seekable(void *data)
1237 {
1238    Emotion_Generic_Video *ev = data;
1239    return ev->seekable;
1240 }
1241
1242 static void em_frame_done(void *ef __UNUSED__)
1243 {
1244 }
1245
1246 static int
1247 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__)
1248 {
1249    return 0;
1250 }
1251
1252 static int
1253 em_bgra_data_get(void *data, unsigned char **bgra_data)
1254 {
1255    Emotion_Generic_Video *ev = data;
1256
1257    if (!ev || !ev->file_ready)
1258      return 0;
1259
1260    // lock frame here
1261    if (!eina_semaphore_lock(&ev->shared->lock))
1262      return 0;
1263
1264    // send current frame to emotion
1265    if (ev->shared->frame.emotion != ev->shared->frame.last)
1266      {
1267         ev->shared->frame.next = ev->shared->frame.emotion;
1268         ev->shared->frame.emotion = ev->shared->frame.last;
1269      }
1270    *bgra_data = ev->frame.frames[ev->shared->frame.emotion];
1271
1272    if (ev->shared->frame_drop > 1)
1273      WRN("dropped frames: %d", ev->shared->frame_drop - 1);
1274    ev->shared->frame_drop = 0;
1275
1276    // unlock frame here
1277    eina_semaphore_release(&ev->shared->lock, 1);
1278    ev->drop = 0;
1279
1280    return 1;
1281 }
1282
1283 static void
1284 em_event_feed(void *ef __UNUSED__, int event __UNUSED__)
1285 {
1286 }
1287
1288 static void
1289 em_event_mouse_button_feed(void *ef __UNUSED__, int button __UNUSED__, int x __UNUSED__, int y __UNUSED__)
1290 {
1291 }
1292
1293 static void
1294 em_event_mouse_move_feed(void *ef __UNUSED__, int x __UNUSED__, int y __UNUSED__)
1295 {
1296 }
1297
1298 static int
1299 em_video_channel_count(void *data)
1300 {
1301    Emotion_Generic_Video *ev = data;
1302    return ev->video_channels_count;
1303 }
1304
1305 static void
1306 em_video_channel_set(void *data, int channel)
1307 {
1308    Emotion_Generic_Video *ev = data;
1309
1310    if (channel < 0 || channel >= ev->video_channels_count)
1311      {
1312         WRN("video channel out of range.");
1313         return;
1314      }
1315
1316    _player_send_cmd(ev, EM_CMD_VIDEO_TRACK_SET);
1317    _player_send_int(ev, ev->video_channels[channel].id);
1318    ev->video_channel_current = channel;
1319 }
1320
1321 static int
1322 em_video_channel_get(void *data)
1323 {
1324    Emotion_Generic_Video *ev = data;
1325    return ev->video_channel_current;
1326 }
1327
1328 static const char *
1329 em_video_channel_name_get(void *data, int channel)
1330 {
1331    Emotion_Generic_Video *ev = data;
1332
1333    if (channel < 0 || channel >= ev->video_channels_count)
1334      {
1335         WRN("video channel out of range.");
1336         return NULL;
1337      }
1338
1339    return ev->video_channels[channel].name;
1340 }
1341
1342 static void
1343 em_video_channel_mute_set(void *data, int mute)
1344 {
1345    Emotion_Generic_Video *ev = data;
1346
1347    ev->video_mute = !!mute;
1348
1349    if (!ev || !ev->file_ready)
1350      return;
1351
1352    _player_send_cmd(ev, EM_CMD_VIDEO_MUTE_SET);
1353    _player_send_int(ev, mute);
1354 }
1355
1356 static int
1357 em_video_channel_mute_get(void *data)
1358 {
1359    Emotion_Generic_Video *ev = data;
1360    return ev->video_mute;
1361 }
1362
1363 static int
1364 em_audio_channel_count(void *data)
1365 {
1366    Emotion_Generic_Video *ev = data;
1367    return ev->audio_channels_count;
1368 }
1369
1370 static void
1371 em_audio_channel_set(void *data, int channel)
1372 {
1373    Emotion_Generic_Video *ev = data;
1374
1375    if (channel < 0 || channel >= ev->audio_channels_count)
1376      {
1377         WRN("audio channel out of range.");
1378         return;
1379      }
1380
1381    _player_send_cmd(ev, EM_CMD_AUDIO_TRACK_SET);
1382    _player_send_int(ev, ev->audio_channels[channel].id);
1383    ev->audio_channel_current = channel;
1384 }
1385
1386 static int
1387 em_audio_channel_get(void *data)
1388 {
1389    Emotion_Generic_Video *ev = data;
1390    return ev->audio_channel_current;
1391 }
1392
1393 static const char *
1394 em_audio_channel_name_get(void *data, int channel)
1395 {
1396    Emotion_Generic_Video *ev = data;
1397
1398    if (channel < 0 || channel >= ev->audio_channels_count)
1399      {
1400         WRN("audio channel out of range.");
1401         return NULL;
1402      }
1403
1404    return ev->audio_channels[channel].name;
1405 }
1406
1407 static void
1408 em_audio_channel_mute_set(void *data, int mute)
1409 {
1410    Emotion_Generic_Video *ev = data;
1411
1412    ev->audio_mute = !!mute;
1413
1414    if (!ev || !ev->file_ready)
1415      return;
1416
1417    _player_send_cmd(ev, EM_CMD_AUDIO_MUTE_SET);
1418    _player_send_int(ev, mute);
1419 }
1420
1421 static int
1422 em_audio_channel_mute_get(void *data)
1423 {
1424    Emotion_Generic_Video *ev = data;
1425    return ev->audio_mute;
1426 }
1427
1428 static void
1429 em_audio_channel_volume_set(void *data, double vol)
1430 {
1431    Emotion_Generic_Video *ev = data;
1432
1433    if (vol > 1.0) vol = 1.0;
1434    if (vol < 0.0) vol = 0.0;
1435
1436    ev->volume = vol;
1437
1438    if (!ev || !ev->file_ready)
1439      return;
1440
1441    _player_send_cmd(ev, EM_CMD_VOLUME_SET);
1442    _player_send_float(ev, ev->volume);
1443 }
1444
1445 static double
1446 em_audio_channel_volume_get(void *data)
1447 {
1448    Emotion_Generic_Video *ev = data;
1449    return ev->volume;
1450 }
1451
1452 static int
1453 em_spu_channel_count(void *data)
1454 {
1455    Emotion_Generic_Video *ev = data;
1456    return ev->spu_channels_count;
1457 }
1458
1459 static void
1460 em_spu_channel_set(void *data, int channel)
1461 {
1462    Emotion_Generic_Video *ev = data;
1463
1464    if (channel < 0 || channel >= ev->spu_channels_count)
1465      {
1466         WRN("spu channel out of range.");
1467         return;
1468      }
1469
1470    _player_send_cmd(ev, EM_CMD_SPU_TRACK_SET);
1471    _player_send_int(ev, ev->spu_channels[channel].id);
1472    ev->spu_channel_current = channel;
1473 }
1474
1475 static int
1476 em_spu_channel_get(void *data)
1477 {
1478    Emotion_Generic_Video *ev = data;
1479    return ev->spu_channel_current;
1480 }
1481
1482 static const char *
1483 em_spu_channel_name_get(void *data, int channel)
1484 {
1485    Emotion_Generic_Video *ev = data;
1486
1487    if (channel < 0 || channel >= ev->spu_channels_count)
1488      {
1489         WRN("spu channel out of range.");
1490         return NULL;
1491      }
1492
1493    return ev->spu_channels[channel].name;
1494 }
1495
1496 static void
1497 em_spu_channel_mute_set(void *data, int mute)
1498 {
1499    Emotion_Generic_Video *ev = data;
1500
1501    ev->spu_mute = !!mute;
1502
1503    if (!ev || !ev->file_ready)
1504      return;
1505
1506    _player_send_cmd(ev, EM_CMD_SPU_MUTE_SET);
1507    _player_send_int(ev, mute);
1508 }
1509
1510 static int
1511 em_spu_channel_mute_get(void *data)
1512 {
1513    Emotion_Generic_Video *ev = data;
1514    return ev->spu_mute;
1515 }
1516
1517 static int
1518 em_chapter_count(void *ef __UNUSED__)
1519 {
1520    int num = 0;
1521    return num;
1522 }
1523
1524 static void
1525 em_chapter_set(void *ef __UNUSED__, int chapter __UNUSED__)
1526 {
1527 }
1528
1529 static int
1530 em_chapter_get(void *ef __UNUSED__)
1531 {
1532    int num = 0;
1533    return num;
1534 }
1535
1536 static const char *
1537 em_chapter_name_get(void *ef __UNUSED__, int chapter __UNUSED__)
1538 {
1539    return NULL;
1540 }
1541
1542 static void
1543 em_speed_set(void *data, double speed)
1544 {
1545    Emotion_Generic_Video *ev = data;
1546    float rate = speed;
1547    ev->speed = rate;
1548
1549    if (!ev || !ev->file_ready)
1550      return;
1551
1552    _player_send_cmd(ev, EM_CMD_SPEED_SET);
1553    _player_send_float(ev, rate);
1554 }
1555
1556 static double
1557 em_speed_get(void *data)
1558 {
1559    Emotion_Generic_Video *ev = data;
1560    return (double)ev->speed;
1561 }
1562
1563 static int
1564 em_eject(void *ef __UNUSED__)
1565 {
1566    return 1;
1567 }
1568
1569 static const char *
1570 em_meta_get(void *data, int meta)
1571 {
1572    Emotion_Generic_Video *ev = data;
1573
1574    switch (meta) {
1575       case EMOTION_META_INFO_TRACK_TITLE:
1576          return ev->meta.title;
1577       case EMOTION_META_INFO_TRACK_ARTIST:
1578          return ev->meta.artist;
1579       case EMOTION_META_INFO_TRACK_ALBUM:
1580          return ev->meta.album;
1581       case EMOTION_META_INFO_TRACK_YEAR:
1582          return ev->meta.year;
1583       case EMOTION_META_INFO_TRACK_GENRE:
1584          return ev->meta.genre;
1585       case EMOTION_META_INFO_TRACK_COMMENT:
1586          return ev->meta.comment;
1587       case EMOTION_META_INFO_TRACK_DISC_ID:
1588          return ev->meta.disc_id;
1589       case EMOTION_META_INFO_TRACK_COUNT:
1590          return ev->meta.count;
1591    }
1592
1593    return NULL;
1594 }
1595
1596 static Emotion_Video_Module em_module =
1597 {
1598    em_init, /* init */
1599    em_shutdown, /* shutdown */
1600    em_file_open, /* file_open */
1601    em_file_close, /* file_close */
1602    em_play, /* play */
1603    em_stop, /* stop */
1604    em_size_get, /* size_get */
1605    em_pos_set, /* pos_set */
1606    em_len_get, /* len_get */
1607    em_buffer_size_get, /* buffer_size_get */
1608    em_fps_num_get, /* fps_num_get */
1609    em_fps_den_get, /* fps_den_get */
1610    em_fps_get, /* fps_get */
1611    em_pos_get, /* pos_get */
1612    em_vis_set, /* vis_set */
1613    em_vis_get, /* vis_get */
1614    em_vis_supported, /* vis_supported */
1615    em_ratio_get, /* ratio_get */
1616    em_video_handled, /* video_handled */
1617    em_audio_handled, /* audio_handled */
1618    em_seekable, /* seekable */
1619    em_frame_done, /* frame_done */
1620    em_format_get, /* format_get */
1621    em_video_data_size_get, /* video_data_size_get */
1622    em_yuv_rows_get, /* yuv_rows_get */
1623    em_bgra_data_get, /* bgra_data_get */
1624    em_event_feed, /* event_feed */
1625    em_event_mouse_button_feed, /* event_mouse_button_feed */
1626    em_event_mouse_move_feed, /* event_mouse_move_feed */
1627    em_video_channel_count, /* video_channel_count */
1628    em_video_channel_set, /* video_channel_set */
1629    em_video_channel_get, /* video_channel_get */
1630    em_video_channel_name_get, /* video_channel_name_get */
1631    em_video_channel_mute_set, /* video_channel_mute_set */
1632    em_video_channel_mute_get, /* video_channel_mute_get */
1633    em_audio_channel_count, /* audio_channel_count */
1634    em_audio_channel_set, /* audio_channel_set */
1635    em_audio_channel_get, /* audio_channel_get */
1636    em_audio_channel_name_get, /* audio_channel_name_get */
1637    em_audio_channel_mute_set, /* audio_channel_mute_set */
1638    em_audio_channel_mute_get, /* audio_channel_mute_get */
1639    em_audio_channel_volume_set, /* audio_channel_volume_set */
1640    em_audio_channel_volume_get, /* audio_channel_volume_get */
1641    em_spu_channel_count, /* spu_channel_count */
1642    em_spu_channel_set, /* spu_channel_set */
1643    em_spu_channel_get, /* spu_channel_get */
1644    em_spu_channel_name_get, /* spu_channel_name_get */
1645    em_spu_channel_mute_set, /* spu_channel_mute_set */
1646    em_spu_channel_mute_get, /* spu_channel_mute_get */
1647    em_chapter_count, /* chapter_count */
1648    em_chapter_set, /* chapter_set */
1649    em_chapter_get, /* chapter_get */
1650    em_chapter_name_get, /* chapter_name_get */
1651    em_speed_set, /* speed_set */
1652    em_speed_get, /* speed_get */
1653    em_eject, /* eject */
1654    em_meta_get, /* meta_get */
1655    NULL, /* priority_set */
1656    NULL, /* priority_get */
1657    NULL /* handle */
1658 };
1659
1660 static Eina_Bool
1661 module_open(Evas_Object *obj, const Emotion_Video_Module **module, void **video, Emotion_Module_Options *opt)
1662 {
1663    if (!module) {
1664         return EINA_FALSE;
1665    }
1666
1667    if (_emotion_generic_log_domain < 0)
1668      {
1669         eina_threads_init();
1670         eina_log_threads_enable();
1671         _emotion_generic_log_domain = eina_log_domain_register
1672           ("emotion-generic", EINA_COLOR_LIGHTCYAN);
1673         if (_emotion_generic_log_domain < 0)
1674           {
1675              EINA_LOG_CRIT("Could not register log domain 'emotion-generic'");
1676              return EINA_FALSE;
1677           }
1678      }
1679
1680
1681    if (!em_module.init(obj, video, opt))        {
1682         return EINA_FALSE;
1683    }
1684
1685    *module = &em_module;
1686
1687    return EINA_TRUE;
1688 }
1689
1690 static void module_close(Emotion_Video_Module *module __UNUSED__, void *video)
1691 {
1692         em_module.shutdown(video);
1693 }
1694
1695
1696 Eina_Bool
1697 generic_module_init(void)
1698 {
1699    if (!pfx)
1700      {
1701         pfx = eina_prefix_new(NULL, emotion_object_add,
1702                               "EMOTION", "emotion", NULL,
1703                               PACKAGE_BIN_DIR,
1704                               PACKAGE_LIB_DIR,
1705                               PACKAGE_DATA_DIR,
1706                               "");
1707         if (!pfx) return EINA_FALSE;
1708      }
1709    return _emotion_module_register("generic", module_open, module_close);
1710 }
1711
1712 static void
1713 generic_module_shutdown(void)
1714 {
1715    if (pfx)
1716      {
1717         eina_prefix_free(pfx);
1718         pfx = NULL;
1719      }
1720    _emotion_module_unregister("generic");
1721 }
1722
1723 #ifndef EMOTION_STATIC_BUILD_GENERIC
1724
1725 EINA_MODULE_INIT(generic_module_init);
1726 EINA_MODULE_SHUTDOWN(generic_module_shutdown);
1727
1728 #endif
1729