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    ecore_exe_send(ev->player.exe, &cmd, sizeof(cmd));
 107 }
 108
 109 static void
 110 _player_send_int(Emotion_Generic_Video *ev, int number)
 111 {
 112    ecore_exe_send(ev->player.exe, &number, sizeof(number));
 113 }
 114
 115 static void
 116 _player_send_float(Emotion_Generic_Video *ev, float number)
 117 {
 118    ecore_exe_send(ev->player.exe, &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    ecore_exe_send(ev->player.exe, &len, sizeof(len));
 131    ecore_exe_send(ev->player.exe, 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    size = 3 * (ev->w * ev->h * DEFAULTPITCH) + sizeof(*vs);
 144
 145    npages = (int)(size / getpagesize()) + 1;
 146    size = npages * getpagesize();
 147
 148    if (ftruncate(shmfd, size))
 149      {
 150         ERR("error when allocating shared memory (size = %zd): "
 151             "%s", size, strerror(errno));
 152         return EINA_FALSE;
 153      }
 154    vs = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, shmfd, 0);
 155    if (vs == MAP_FAILED)
 156      {
 157         ERR("error when mapping shared memory.\n");
 158         return EINA_FALSE;
 159      }
 160
 161    vs->size = size;
 162    vs->width = ev->w;
 163    vs->height = ev->h;
 164    vs->pitch = DEFAULTPITCH;
 165    vs->frame.emotion = 0;
 166    vs->frame.player = 1;
 167    vs->frame.last = 2;
 168    vs->frame.next = 2;
 169    sem_init(&vs->lock, 1, 1);
 170    ev->frame.frames[0] = (unsigned char *)vs + sizeof(*vs);
 171    ev->frame.frames[1] = (unsigned char *)vs + sizeof(*vs) + vs->height * vs->width * vs->pitch;
 172    ev->frame.frames[2] = (unsigned char *)vs + sizeof(*vs) + 2 * vs->height * vs->width * vs->pitch;
 173
 174    if (ev->shared)
 175      munmap(ev->shared, ev->shared->size);
 176    ev->shared = vs;
 177
 178    return EINA_TRUE;
 179 }
 180
 181 static void
 182 _player_new_frame(Emotion_Generic_Video *ev)
 183 {
 184    if (!ev->drop++)
 185      _emotion_frame_new(ev->obj);
 186 }
 187
 188 static void
 189 _player_file_set_done(Emotion_Generic_Video *ev)
 190 {
 191    if (!_create_shm_data(ev, ev->shmname))
 192      {
 193         ERR("could not create shared memory.");
 194         return;
 195      }
 196    _player_send_cmd(ev, EM_CMD_FILE_SET_DONE);
 197 }
 198
 199 static void
 200 _file_open(Emotion_Generic_Video *ev)
 201 {
 202    INF("Opening file: %s", ev->filename);
 203    ev->w = DEFAULTWIDTH;
 204    ev->h = DEFAULTHEIGHT;
 205    ev->ratio = (double)DEFAULTWIDTH / DEFAULTHEIGHT;
 206    ev->speed = 1.0;
 207    ev->len = 0;
 208    ev->drop = 0;
 209
 210    if (!ev->ready)
 211      return;
 212    _player_send_cmd(ev, EM_CMD_FILE_SET);
 213    _player_send_str(ev, ev->filename, EINA_TRUE);
 214 }
 215
 216 static void
 217 _player_ready(Emotion_Generic_Video *ev)
 218 {
 219    INF("received: player ready.");
 220
 221    ev->initializing = EINA_FALSE;
 222    ev->ready = EINA_TRUE;
 223
 224    if (!ev->filename)
 225      return;
 226
 227    _file_open(ev);
 228 }
 229
 230 #define RCV_CMD_PARAM(src, param) \
 231    memcpy(&(param), (src), sizeof((param))); \
 232    (src) = (char *)(src) + sizeof((param));
 233
 234 #define RCV_CMD_STR(src, buf, len) \
 235    RCV_CMD_PARAM((src), (len)); \
 236    memcpy((buf), (src), (len)); \
 237    (src) = (char *)(src) + len;
 238
 239 static int
 240 _player_int_read(Emotion_Generic_Video *ev __UNUSED__, void **data)
 241 {
 242    int number;
 243    memcpy(&number, *data, sizeof(number));
 244    *data = (char *)(*data) + sizeof(number);
 245
 246    return number;
 247 }
 248
 249 static void
 250 _player_frame_resize(Emotion_Generic_Video *ev, void *line)
 251 {
 252    int w, h;
 253    RCV_CMD_PARAM(line, w);
 254    RCV_CMD_PARAM(line, h);
 255
 256    INF("received frame resize: %dx%d", w, h);
 257    ev->w = w;
 258    ev->h = h;
 259    ev->ratio = (float)w / h;
 260
 261    if (ev->opening)
 262      return;
 263
 264    _emotion_frame_resize(ev->obj, ev->w, ev->h, ev->ratio);
 265 }
 266
 267 static void
 268 _player_length_changed(Emotion_Generic_Video *ev, void *line)
 269 {
 270    float length;
 271    RCV_CMD_PARAM(line, length);
 272
 273    INF("received length changed: %0.3f", length);
 274
 275    ev->len = length;
 276    _emotion_video_pos_update(ev->obj, ev->pos, ev->len);
 277 }
 278
 279 static void
 280 _player_position_changed(Emotion_Generic_Video *ev, void *line)
 281 {
 282    float position;
 283    RCV_CMD_PARAM(line, position);
 284
 285    INF("received position changed: %0.3f", position);
 286
 287    ev->pos = position;
 288    _emotion_video_pos_update(ev->obj, ev->pos, ev->len);
 289
 290    if (ev->len == 0)
 291      return;
 292
 293    float progress = ev->pos / ev->len;
 294    char buf[16];
 295    snprintf(buf, sizeof(buf), "%0.1f%%", progress * 100);
 296
 297    _emotion_progress_set(ev->obj, buf, progress);
 298 }
 299
 300 static void
 301 _player_seekable_changed(Emotion_Generic_Video *ev, void *line)
 302 {
 303    int seekable;
 304    RCV_CMD_PARAM(line, seekable);
 305
 306    INF("received seekable changed: %d", seekable);
 307
 308    seekable = !!seekable;
 309
 310    ev->seekable = seekable;
 311 }
 312
 313 static void
 314 _player_volume(Emotion_Generic_Video *ev, void *line)
 315 {
 316    float vol, oldvol;
 317    RCV_CMD_PARAM(line, vol);
 318
 319    INF("received volume: %0.3f", vol);
 320
 321    oldvol = ev->volume;
 322    ev->volume = vol;
 323    if (vol != oldvol && !ev->opening)
 324      _emotion_audio_level_change(ev->obj);
 325 }
 326
 327 static void
 328 _player_audio_mute(Emotion_Generic_Video *ev, void *line)
 329 {
 330    int mute;
 331    RCV_CMD_PARAM(line, mute);
 332
 333    INF("received audio mute: %d", mute);
 334
 335    ev->audio_mute = !!mute;
 336 }
 337
 338 static void
 339 _audio_channels_free(Emotion_Generic_Video *ev)
 340 {
 341    int i;
 342    for (i = 0; i < ev->audio_channels_count; i++)
 343      eina_stringshare_del(ev->audio_channels[i].name);
 344    free(ev->audio_channels);
 345    ev->audio_channels_count = 0;
 346 }
 347
 348 static void
 349 _player_audio_tracks_info(Emotion_Generic_Video *ev, void *line)
 350 {
 351    int track_current, tracks_count;
 352    int i;
 353
 354    if (ev->audio_channels_count)
 355      _audio_channels_free(ev);
 356
 357    RCV_CMD_PARAM(line, track_current);
 358    RCV_CMD_PARAM(line, tracks_count);
 359    INF("video with %d audio tracks (current = %d):", tracks_count, track_current);
 360    ev->audio_channels = calloc(
 361       tracks_count, sizeof(Emotion_Generic_Audio_Channel));
 362    ev->audio_channels_count = tracks_count;
 363    ev->audio_channel_current = track_current;
 364    for (i = 0; i < tracks_count; i++)
 365      {
 366         int tid, len;
 367         char buf[PATH_MAX];
 368         RCV_CMD_PARAM(line, tid);
 369         RCV_CMD_STR(line, buf, len);
 370         ev->audio_channels[i].id = tid;
 371         ev->audio_channels[i].name = eina_stringshare_add_length(buf, len);
 372         INF("\t%d: %s", tid, buf);
 373      }
 374 }
 375
 376 static void
 377 _player_file_closed(Emotion_Generic_Video *ev)
 378 {
 379    INF("Closed previous file.");
 380    sem_destroy(&ev->shared->lock);
 381
 382    ev->closing = EINA_FALSE;
 383
 384    if (ev->opening)
 385      _file_open(ev);
 386 }
 387
 388 static void
 389 _player_open_done(Emotion_Generic_Video *ev)
 390 {
 391    ev->opening = EINA_FALSE;
 392    shm_unlink(ev->shmname);
 393    _emotion_open_done(ev->obj);
 394
 395    if (ev->play)
 396      {
 397         _player_send_cmd(ev, EM_CMD_PLAY);
 398         _player_send_float(ev, ev->pos);
 399      }
 400
 401    INF("Open done");
 402 }
 403
 404 static void
 405 _player_read_cmd(Emotion_Generic_Video *ev, void *line, int size __UNUSED__)
 406 {
 407    int type;
 408    RCV_CMD_PARAM(line, type);
 409
 410    switch (type) {
 411       case EM_RESULT_INIT:
 412          _player_ready(ev);
 413          break;
 414       case EM_RESULT_FRAME_NEW:
 415          _player_new_frame(ev);
 416          break;
 417       case EM_RESULT_FILE_SET:
 418          _player_file_set_done(ev);
 419          break;
 420       case EM_RESULT_FILE_SET_DONE:
 421          _player_open_done(ev);
 422          break;
 423       case EM_RESULT_FILE_CLOSE:
 424          _player_file_closed(ev);
 425          break;
 426       case EM_RESULT_PLAYBACK_STOPPED:
 427          _emotion_playback_finished(ev->obj);
 428          break;
 429       case EM_RESULT_FRAME_SIZE:
 430          _player_frame_resize(ev, line);
 431          break;
 432       case EM_RESULT_LENGTH_CHANGED:
 433          _player_length_changed(ev, line);
 434          break;
 435       case EM_RESULT_POSITION_CHANGED:
 436          _player_position_changed(ev, line);
 437          break;
 438       case EM_RESULT_SEEKABLE_CHANGED:
 439          _player_seekable_changed(ev, line);
 440          break;
 441       case EM_RESULT_AUDIO_TRACK_INFO:
 442          _player_audio_tracks_info(ev, line);
 443          break;
 444       default:
 445          WRN("received wrong command: %d", type);
 446    };
 447 }
 448
 449 #undef RCV_CMD_PARAM
 450
 451 static Eina_Bool
 452 _player_data_cb(void *data, int type __UNUSED__, void *event)
 453 {
 454    Ecore_Exe_Event_Data *ev = event;
 455    Emotion_Generic_Video *evideo = data;
 456    int i;
 457
 458    if (ev->exe != evideo->player.exe)
 459      {
 460         ERR("slave != ev->exe");
 461         return ECORE_CALLBACK_DONE;
 462      }
 463
 464    if (ev->size < 4)
 465      {
 466         ERR("invalid command: missing bytes.");
 467         return ECORE_CALLBACK_DONE;
 468      }
 469
 470    for (i = 0; ev->lines[i].line; i++)
 471      _player_read_cmd(evideo, ev->lines[i].line, ev->lines[i].size);
 472
 473    return ECORE_CALLBACK_DONE;
 474 }
 475
 476 static Eina_Bool
 477 _player_add_cb(void *data, int type __UNUSED__, void *event)
 478 {
 479    Ecore_Exe_Event_Add *event_add = event;
 480    Ecore_Exe *player = event_add->exe;
 481    Emotion_Generic_Video *ev = data;
 482
 483    if (ev->player.exe != player)
 484      {
 485         ERR("ev->player != player.");
 486         return ECORE_CALLBACK_DONE;
 487      }
 488
 489    _player_send_cmd(ev, EM_CMD_INIT);
 490    _player_send_str(ev, ev->shmname, EINA_TRUE);
 491
 492    return ECORE_CALLBACK_DONE;
 493 }
 494
 495 static Eina_Bool
 496 _player_del_cb(void *data, int type __UNUSED__, void *event __UNUSED__)
 497 {
 498    Emotion_Generic_Video *ev = data;
 499    ERR("player died.");
 500
 501    ev->player.exe = NULL;
 502    ev->ready = EINA_FALSE;
 503    _emotion_decode_stop(ev->obj);
 504
 505    return ECORE_CALLBACK_DONE;
 506 }
 507
 508 static Eina_Bool
 509 _fork_and_exec(Evas_Object *obj __UNUSED__, Emotion_Generic_Video *ev)
 510 {
 511    char shmname[256];
 512    struct timeval tv;
 513
 514    gettimeofday(&tv, NULL);
 515    snprintf(shmname, sizeof(shmname), "/em-generic-shm_%d_%d",
 516             (int)tv.tv_sec, (int)tv.tv_usec);
 517
 518    ev->shmname = eina_stringshare_add(shmname);
 519
 520    ev->player_add = ecore_event_handler_add(
 521       ECORE_EXE_EVENT_ADD, _player_add_cb, ev);
 522    ev->player_del = ecore_event_handler_add(
 523       ECORE_EXE_EVENT_DEL, _player_del_cb, ev);
 524    ev->player_data = ecore_event_handler_add(
 525       ECORE_EXE_EVENT_DATA, _player_data_cb, ev);
 526
 527    ev->player.exe = ecore_exe_pipe_run(
 528       ev->cmdline,
 529       ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_WRITE |
 530       ECORE_EXE_PIPE_READ_LINE_BUFFERED | ECORE_EXE_NOT_LEADER,
 531       ev);
 532
 533    if (!ev->player.exe)
 534      {
 535         ERR("could not start player.");
 536         return EINA_FALSE;
 537      }
 538
 539    ev->initializing = EINA_TRUE;
 540
 541    return EINA_TRUE;
 542 }
 543
 544 static unsigned char
 545 em_init(Evas_Object *obj, void **emotion_video, Emotion_Module_Options *opt)
 546 {
 547    Emotion_Generic_Video *ev;
 548    const char *player;
 549
 550    if (!emotion_video) return 0;
 551    player = _get_player(opt ? opt->player : NULL);
 552    if (!player) return 0;
 553
 554    ev = (Emotion_Generic_Video *)calloc(1, sizeof(*ev));
 555    if (!ev) return 0;
 556
 557    ev->speed = 1.0;
 558    ev->volume = 0.5;
 559    ev->audio_mute = EINA_FALSE;
 560
 561    ev->obj = obj;
 562    ev->cmdline = eina_stringshare_add(player);
 563    *emotion_video = ev;
 564
 565    return _fork_and_exec(obj, ev);
 566 }
 567
 568 static int
 569 em_shutdown(void *data)
 570 {
 571    Emotion_Generic_Video *ev = data;
 572
 573    if (!ev) return 0;
 574
 575    if (ev->player.exe)
 576      {
 577         ecore_exe_terminate(ev->player.exe);
 578         ecore_exe_free(ev->player.exe);
 579         ev->player.exe = NULL;
 580      }
 581
 582    if (ev->shared)
 583      munmap(ev->shared, ev->shared->size);
 584
 585    _audio_channels_free(ev);
 586
 587    eina_stringshare_del(ev->cmdline);
 588    eina_stringshare_del(ev->shmname);
 589
 590    ecore_event_handler_del(ev->player_add);
 591    ecore_event_handler_del(ev->player_data);
 592    ecore_event_handler_del(ev->player_del);
 593
 594    return 1;
 595 }
 596
 597 static unsigned char
 598 em_file_open(const char *file, Evas_Object *obj __UNUSED__, void *data)
 599 {
 600    Emotion_Generic_Video *ev = data;
 601    INF("file set: %s", file);
 602    if (!ev) return 0;
 603
 604    ev->pos = 0;
 605    ev->opening = EINA_TRUE;
 606
 607    eina_stringshare_replace(&ev->filename, file);
 608
 609    if (!ev->closing)
 610      _file_open(ev);
 611
 612    return 1;
 613 }
 614
 615 static void
 616 em_file_close(void *data)
 617 {
 618    Emotion_Generic_Video *ev = data;
 619
 620    if (!ev) return;
 621    INF("file close: %s", ev->filename);
 622
 623    if (!ev->filename)
 624      return;
 625
 626    _player_send_cmd(ev, EM_CMD_FILE_CLOSE);
 627    ev->closing = EINA_TRUE;
 628 }
 629
 630 static Emotion_Format
 631 em_format_get(void *ef __UNUSED__)
 632 {
 633    return EMOTION_FORMAT_BGRA;
 634 }
 635
 636 static void
 637 em_video_data_size_get(void *data, int *w, int *h)
 638 {
 639    Emotion_Generic_Video *ev = data;
 640
 641    if (!ev) return;
 642    if (w) *w = ev->w;
 643    if (h) *h = ev->h;
 644 }
 645
 646 static void
 647 em_play(void *data, double pos)
 648 {
 649    Emotion_Generic_Video *ev = data;
 650
 651    if (!ev)
 652      return;
 653
 654    ev->play = EINA_TRUE;
 655    INF("play: %0.3f", pos);
 656
 657    if (ev->initializing || ev->opening)
 658      return;
 659
 660    if (ev->ready)
 661      {
 662         _player_send_cmd(ev, EM_CMD_PLAY);
 663         _player_send_float(ev, ev->pos);
 664         return;
 665      }
 666
 667    ev->player.exe = ecore_exe_pipe_run(
 668       ev->cmdline,
 669       ECORE_EXE_PIPE_READ | ECORE_EXE_PIPE_WRITE |
 670       ECORE_EXE_PIPE_READ_LINE_BUFFERED | ECORE_EXE_NOT_LEADER,
 671       ev);
 672
 673    if (!ev->player.exe)
 674      ERR("could not start player.");
 675 }
 676
 677 static void
 678 em_stop(void *data)
 679 {
 680    Emotion_Generic_Video *ev = data;
 681
 682    if (!ev)
 683      return;
 684
 685    ev->play = EINA_FALSE;
 686
 687    if (!ev->ready)
 688      return;
 689
 690    _player_send_cmd(ev, EM_CMD_STOP);
 691    _emotion_decode_stop(ev->obj);
 692 }
 693
 694 static void
 695 em_size_get(void *data, int *w, int *h)
 696 {
 697    Emotion_Generic_Video *ev = data;
 698    if(w) *w = ev->w;
 699    if(h) *h = ev->h;
 700 }
 701
 702 static void
 703 em_pos_set(void *data, double pos)
 704 {
 705    Emotion_Generic_Video *ev = data;
 706    float position = pos;
 707    _player_send_cmd(ev, EM_CMD_POSITION_SET);
 708    _player_send_float(ev, position);
 709    _emotion_seek_done(ev->obj);
 710 }
 711
 712 static double
 713 em_len_get(void *data)
 714 {
 715    Emotion_Generic_Video *ev = data;
 716    return ev->len;
 717 }
 718
 719 static int
 720 em_fps_num_get(void *data)
 721 {
 722    Emotion_Generic_Video *ev = data;
 723    return (int)(ev->fps * 1000.0);
 724 }
 725
 726 static int
 727 em_fps_den_get(void *ef __UNUSED__)
 728 {
 729    return 1000;
 730 }
 731
 732 static double
 733 em_fps_get(void *data)
 734 {
 735    Emotion_Generic_Video *ev = data;
 736    return ev->fps;
 737 }
 738
 739 static double
 740 em_pos_get(void *data)
 741 {
 742    Emotion_Generic_Video *ev = data;
 743    return ev->pos;
 744 }
 745
 746 static void
 747 em_vis_set(void *ef __UNUSED__, Emotion_Vis vis __UNUSED__)
 748 {
 749 }
 750
 751 static Emotion_Vis
 752 em_vis_get(void *data)
 753 {
 754    Emotion_Generic_Video *ev = data;
 755    return ev->vis;
 756 }
 757
 758 static Eina_Bool
 759 em_vis_supported(void *ef __UNUSED__, Emotion_Vis vis __UNUSED__)
 760 {
 761    return EINA_FALSE;
 762 }
 763
 764 static double
 765 em_ratio_get(void *data)
 766 {
 767    Emotion_Generic_Video *ev = data;
 768    return ev->ratio;
 769 }
 770
 771 static int em_video_handled(void *ef __UNUSED__)
 772 {
 773    fprintf(stderr, "video handled!\n");
 774    return 1;
 775 }
 776
 777 static int em_audio_handled(void *ef __UNUSED__)
 778 {
 779    fprintf(stderr, "audio handled!\n");
 780    return 1;
 781 }
 782
 783 static int em_seekable(void *data)
 784 {
 785    Emotion_Generic_Video *ev = data;
 786    return ev->seekable;
 787 }
 788
 789 static void em_frame_done(void *ef __UNUSED__)
 790 {
 791 }
 792
 793 static int
 794 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__)
 795 {
 796    return 0;
 797 }
 798
 799 static int
 800 em_bgra_data_get(void *data, unsigned char **bgra_data)
 801 {
 802    Emotion_Generic_Video *ev = data;
 803
 804    if (!ev || ev->opening || ev->closing)
 805      return 0;
 806
 807    // lock frame here
 808    sem_wait(&ev->shared->lock);
 809
 810    // send current frame to emotion
 811    if (ev->shared->frame.emotion != ev->shared->frame.last)
 812      {
 813         ev->shared->frame.next = ev->shared->frame.emotion;
 814         ev->shared->frame.emotion = ev->shared->frame.last;
 815      }
 816    *bgra_data = ev->frame.frames[ev->shared->frame.emotion];
 817
 818    // unlock frame here
 819    sem_post(&ev->shared->lock);
 820    ev->drop = 0;
 821
 822    return 1;
 823 }
 824
 825 static void
 826 em_event_feed(void *ef __UNUSED__, int event __UNUSED__)
 827 {
 828 }
 829
 830 static void
 831 em_event_mouse_button_feed(void *ef __UNUSED__, int button __UNUSED__, int x __UNUSED__, int y __UNUSED__)
 832 {
 833 }
 834
 835 static void
 836 em_event_mouse_move_feed(void *ef __UNUSED__, int x __UNUSED__, int y __UNUSED__)
 837 {
 838 }
 839
 840 static int
 841 em_video_channel_count(void *ef __UNUSED__)
 842 {
 843    int ret  = 0;
 844    return ret;
 845 }
 846
 847 static void
 848 em_video_channel_set(void *ef __UNUSED__, int channel __UNUSED__)
 849 {
 850 }
 851
 852 static int
 853 em_video_channel_get(void *ef __UNUSED__)
 854 {
 855    return 1;
 856 }
 857
 858 static const char *
 859 em_video_channel_name_get(void *ef __UNUSED__, int channel __UNUSED__)
 860 {
 861    return NULL;
 862 }
 863
 864 static void
 865 em_video_channel_mute_set(void *ef __UNUSED__, int mute __UNUSED__)
 866 {
 867 }
 868
 869 static int
 870 em_video_channel_mute_get(void *data)
 871 {
 872    Emotion_Generic_Video *ev = data;
 873    return ev->video_mute;
 874 }
 875
 876 static int
 877 em_audio_channel_count(void *data)
 878 {
 879    Emotion_Generic_Video *ev = data;
 880    return ev->audio_channels_count;
 881 }
 882
 883 static void
 884 em_audio_channel_set(void *data, int channel)
 885 {
 886    Emotion_Generic_Video *ev = data;
 887    int i;
 888
 889    for (i = 0; i < ev->audio_channels_count; i++)
 890      {
 891         if (ev->audio_channels[i].id == channel)
 892           {
 893              _player_send_cmd(ev, EM_CMD_AUDIO_TRACK_SET);
 894              _player_send_int(ev, channel);
 895              break;
 896           }
 897      }
 898 }
 899
 900 static int
 901 em_audio_channel_get(void *data)
 902 {
 903    Emotion_Generic_Video *ev = data;
 904    return ev->audio_channel_current;
 905 }
 906
 907 static const char *
 908 em_audio_channel_name_get(void *data, int channel)
 909 {
 910    Emotion_Generic_Video *ev = data;
 911    int i;
 912
 913    for (i = 0; i < ev->audio_channels_count; i++)
 914      {
 915         if (ev->audio_channels[i].id == channel)
 916           return ev->audio_channels[i].name;
 917      }
 918
 919    return NULL;
 920 }
 921
 922 static void
 923 em_audio_channel_mute_set(void *data, int mute)
 924 {
 925    Emotion_Generic_Video *ev = data;
 926    _player_send_cmd(ev, EM_CMD_AUDIO_MUTE_SET);
 927    _player_send_int(ev, mute);
 928    ev->audio_mute = !!mute;
 929 }
 930
 931 static int
 932 em_audio_channel_mute_get(void *data)
 933 {
 934    Emotion_Generic_Video *ev = data;
 935    return ev->audio_mute;
 936 }
 937
 938 static void
 939 em_audio_channel_volume_set(void *data, double vol)
 940 {
 941    Emotion_Generic_Video *ev = data;
 942    float fvol;
 943
 944    if (vol > 1.0) vol = 1.0;
 945    if (vol < 0.0) vol = 0.0;
 946
 947    fvol = vol;
 948    _player_send_cmd(ev, EM_CMD_VOLUME_SET);
 949    _player_send_float(ev, fvol);
 950
 951    ev->volume = vol;
 952 }
 953
 954 static double
 955 em_audio_channel_volume_get(void *data)
 956 {
 957    Emotion_Generic_Video *ev = data;
 958    return ev->volume;
 959 }
 960
 961 static int
 962 em_spu_channel_count(void *ef __UNUSED__)
 963 {
 964    return 0;
 965 }
 966
 967 static void
 968 em_spu_channel_set(void *ef __UNUSED__, int channel __UNUSED__)
 969 {
 970 }
 971
 972 static int
 973 em_spu_channel_get(void *ef __UNUSED__)
 974 {
 975    int num = 0;
 976    return num;
 977 }
 978
 979 static const char *
 980 em_spu_channel_name_get(void *ef __UNUSED__, int channel __UNUSED__)
 981 {
 982    return NULL;
 983 }
 984
 985 static void
 986 em_spu_channel_mute_set(void *ef __UNUSED__, int mute __UNUSED__)
 987 {
 988    return;
 989 }
 990
 991 static int
 992 em_spu_channel_mute_get(void *ef __UNUSED__)
 993 {
 994    return 0;
 995 }
 996
 997 static int
 998 em_chapter_count(void *ef __UNUSED__)
 999 {
1000    int num = 0;
1001    return num;
1002 }
1003
1004 static void
1005 em_chapter_set(void *ef __UNUSED__, int chapter __UNUSED__)
1006 {
1007 }
1008
1009 static int
1010 em_chapter_get(void *ef __UNUSED__)
1011 {
1012    int num = 0;
1013    return num;
1014 }
1015
1016 static const char *
1017 em_chapter_name_get(void *ef __UNUSED__, int chapter __UNUSED__)
1018 {
1019    return NULL;
1020 }
1021
1022 static void
1023 em_speed_set(void *data, double speed)
1024 {
1025    Emotion_Generic_Video *ev = data;
1026    float rate = speed;
1027
1028    _player_send_cmd(ev, EM_CMD_SPEED_SET);
1029    _player_send_float(ev, rate);
1030
1031    ev->speed = rate;
1032 }
1033
1034 static double
1035 em_speed_get(void *data)
1036 {
1037    Emotion_Generic_Video *ev = data;
1038    return (double)ev->speed;
1039 }
1040
1041 static int
1042 em_eject(void *ef __UNUSED__)
1043 {
1044    return 1;
1045 }
1046
1047 static const char *
1048 em_meta_get(void *ef __UNUSED__, int meta __UNUSED__)
1049 {
1050    char * meta_data = NULL;
1051    return meta_data;
1052 }
1053
1054 static Emotion_Video_Module em_module =
1055 {
1056    em_init, /* init */
1057    em_shutdown, /* shutdown */
1058    em_file_open, /* file_open */
1059    em_file_close, /* file_close */
1060    em_play, /* play */
1061    em_stop, /* stop */
1062    em_size_get, /* size_get */
1063    em_pos_set, /* pos_set */
1064    em_len_get, /* len_get */
1065    em_fps_num_get, /* fps_num_get */
1066    em_fps_den_get, /* fps_den_get */
1067    em_fps_get, /* fps_get */
1068    em_pos_get, /* pos_get */
1069    em_vis_set, /* vis_set */
1070    em_vis_get, /* vis_get */
1071    em_vis_supported, /* vis_supported */
1072    em_ratio_get, /* ratio_get */
1073    em_video_handled, /* video_handled */
1074    em_audio_handled, /* audio_handled */
1075    em_seekable, /* seekable */
1076    em_frame_done, /* frame_done */
1077    em_format_get, /* format_get */
1078    em_video_data_size_get, /* video_data_size_get */
1079    em_yuv_rows_get, /* yuv_rows_get */
1080    em_bgra_data_get, /* bgra_data_get */
1081    em_event_feed, /* event_feed */
1082    em_event_mouse_button_feed, /* event_mouse_button_feed */
1083    em_event_mouse_move_feed, /* event_mouse_move_feed */
1084    em_video_channel_count, /* video_channel_count */
1085    em_video_channel_set, /* video_channel_set */
1086    em_video_channel_get, /* video_channel_get */
1087    em_video_channel_name_get, /* video_channel_name_get */
1088    em_video_channel_mute_set, /* video_channel_mute_set */
1089    em_video_channel_mute_get, /* video_channel_mute_get */
1090    em_audio_channel_count, /* audio_channel_count */
1091    em_audio_channel_set, /* audio_channel_set */
1092    em_audio_channel_get, /* audio_channel_get */
1093    em_audio_channel_name_get, /* audio_channel_name_get */
1094    em_audio_channel_mute_set, /* audio_channel_mute_set */
1095    em_audio_channel_mute_get, /* audio_channel_mute_get */
1096    em_audio_channel_volume_set, /* audio_channel_volume_set */
1097    em_audio_channel_volume_get, /* audio_channel_volume_get */
1098    em_spu_channel_count, /* spu_channel_count */
1099    em_spu_channel_set, /* spu_channel_set */
1100    em_spu_channel_get, /* spu_channel_get */
1101    em_spu_channel_name_get, /* spu_channel_name_get */
1102    em_spu_channel_mute_set, /* spu_channel_mute_set */
1103    em_spu_channel_mute_get, /* spu_channel_mute_get */
1104    em_chapter_count, /* chapter_count */
1105    em_chapter_set, /* chapter_set */
1106    em_chapter_get, /* chapter_get */
1107    em_chapter_name_get, /* chapter_name_get */
1108    em_speed_set, /* speed_set */
1109    em_speed_get, /* speed_get */
1110    em_eject, /* eject */
1111    em_meta_get, /* meta_get */
1112    NULL /* handle */
1113 };
1114
1115 static Eina_Bool
1116 module_open(Evas_Object *obj, const Emotion_Video_Module **module, void **video, Emotion_Module_Options *opt)
1117 {
1118    if (!module) {
1119         return EINA_FALSE;
1120    }
1121
1122    if (_emotion_generic_log_domain < 0)
1123      {
1124         eina_threads_init();
1125         eina_log_threads_enable();
1126         _emotion_generic_log_domain = eina_log_domain_register
1127           ("emotion-generic", EINA_COLOR_LIGHTCYAN);
1128         if (_emotion_generic_log_domain < 0)
1129           {
1130              EINA_LOG_CRIT("Could not register log domain 'emotion-generic'");
1131              return EINA_FALSE;
1132           }
1133      }
1134
1135
1136    if (!em_module.init(obj, video, opt))        {
1137         return EINA_FALSE;
1138    }
1139
1140    *module = &em_module;
1141
1142    return EINA_TRUE;
1143 }
1144
1145 static void module_close(Emotion_Video_Module *module __UNUSED__, void *video)
1146 {
1147         em_module.shutdown(video);
1148 }
1149
1150
1151 static Eina_Bool
1152 generic_module_init(void)
1153 {
1154    if (!pfx)
1155      {
1156         pfx = eina_prefix_new(NULL, emotion_object_add,
1157                               "EMOTION", "emotion", NULL,
1158                               PACKAGE_BIN_DIR,
1159                               PACKAGE_LIB_DIR,
1160                               PACKAGE_DATA_DIR,
1161                               "");
1162         if (!pfx) return EINA_FALSE;
1163      }
1164    return _emotion_module_register("generic", module_open, module_close);
1165 }
1166
1167 static void
1168 generic_module_shutdown(void)
1169 {
1170    if (pfx)
1171      {
1172         eina_prefix_free(pfx);
1173         pfx = NULL;
1174      }
1175    _emotion_module_unregister("generic");
1176 }
1177
1178 #ifndef EMOTION_STATIC_BUILD_GENERIC
1179
1180 EINA_MODULE_INIT(generic_module_init);
1181 EINA_MODULE_SHUTDOWN(generic_module_shutdown);
1182
1183 #endif
1184