src/modules/gstreamer/emotion_sink.c

   1 #ifdef HAVE_CONFIG_H
   2 # include "config.h"
   3 #endif
   4
   5 #include <Eina.h>
   6 #include <Evas.h>
   7 #include <Ecore.h>
   8
   9 #define HTTP_STREAM 0
  10 #define RTSP_STREAM 1
  11 #include <glib.h>
  12 #include <gst/gst.h>
  13 #include <glib-object.h>
  14 #include <gst/video/gstvideosink.h>
  15 #include <gst/video/video.h>
  16
  17 #ifdef HAVE_ECORE_X
  18 # include <Ecore_X.h>
  19 # include <Ecore_Evas.h>
  20 # ifdef HAVE_XOVERLAY_H
  21 #  include <gst/interfaces/xoverlay.h>
  22 # endif
  23 #endif
  24
  25 #include "Emotion.h"
  26 #include "emotion_private.h"
  27 #include "emotion_gstreamer.h"
  28
  29 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE("sink",
  30                                                                    GST_PAD_SINK, GST_PAD_ALWAYS,
  31                                                                    GST_STATIC_CAPS(GST_VIDEO_CAPS_YUV("{ I420, YV12, YUY2, NV12, ST12, TM12 }") ";"
  32                                                                                    GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_BGR ";" GST_VIDEO_CAPS_BGRA));
  33
  34 GST_DEBUG_CATEGORY_STATIC(evas_video_sink_debug);
  35 #define GST_CAT_DEFAULT evas_video_sink_debug
  36
  37 enum {
  38   REPAINT_REQUESTED,
  39   LAST_SIGNAL
  40 };
  41
  42 enum {
  43   PROP_0,
  44   PROP_EVAS_OBJECT,
  45   PROP_WIDTH,
  46   PROP_HEIGHT,
  47   PROP_EV,
  48   PROP_LAST
  49 };
  50
  51 static guint evas_video_sink_signals[LAST_SIGNAL] = { 0, };
  52
  53 #define _do_init(bla)                                   \
  54   GST_DEBUG_CATEGORY_INIT(evas_video_sink_debug,        \
  55                           "emotion-sink",               \
  56                           0,                            \
  57                           "emotion video sink")
  58
  59 GST_BOILERPLATE_FULL(EvasVideoSink,
  60                      evas_video_sink,
  61                      GstVideoSink,
  62                      GST_TYPE_VIDEO_SINK,
  63                      _do_init);
  64
  65
  66 static void unlock_buffer_mutex(EvasVideoSinkPrivate* priv);
  67 static void evas_video_sink_main_render(void *data);
  68 static void evas_video_sink_samsung_main_render(void *data);
  69
  70 static void
  71 evas_video_sink_base_init(gpointer g_class)
  72 {
  73    GstElementClass* element_class;
  74
  75    element_class = GST_ELEMENT_CLASS(g_class);
  76    gst_element_class_add_pad_template(element_class, gst_static_pad_template_get(&sinktemplate));
  77    gst_element_class_set_details_simple(element_class, "Evas video sink",
  78                                         "Sink/Video", "Sends video data from a GStreamer pipeline to an Evas object",
  79                                         "Vincent Torri <vtorri@univ-evry.fr>");
  80 }
  81
  82 static void
  83 evas_video_sink_init(EvasVideoSink* sink, EvasVideoSinkClass* klass __UNUSED__)
  84 {
  85    EvasVideoSinkPrivate* priv;
  86
  87    INF("sink init");
  88    sink->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE(sink, EVAS_TYPE_VIDEO_SINK, EvasVideoSinkPrivate);
  89    priv->o = NULL;
  90    priv->width = 0;
  91    priv->height = 0;
  92    priv->func = NULL;
  93    priv->eformat = EVAS_COLORSPACE_ARGB8888;
  94    priv->samsung = EINA_FALSE;
  95    eina_lock_new(&priv->m);
  96    eina_condition_new(&priv->c, &priv->m);
  97    priv->unlocked = EINA_FALSE;
  98 }
  99
 100 /**** Object methods ****/
 101 static void
 102 _cleanup_priv(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 103 {
 104    EvasVideoSinkPrivate* priv;
 105
 106    priv = data;
 107
 108    eina_lock_take(&priv->m);
 109    if (priv->o == obj)
 110      priv->o = NULL;
 111    eina_lock_release(&priv->m);
 112 }
 113
 114 static void
 115 evas_video_sink_set_property(GObject * object, guint prop_id,
 116                              const GValue * value, GParamSpec * pspec)
 117 {
 118    EvasVideoSink* sink;
 119    EvasVideoSinkPrivate* priv;
 120
 121    sink = EVAS_VIDEO_SINK (object);
 122    priv = sink->priv;
 123
 124    switch (prop_id) {
 125     case PROP_EVAS_OBJECT:
 126        eina_lock_take(&priv->m);
 127        evas_object_event_callback_del(priv->o, EVAS_CALLBACK_FREE, _cleanup_priv);
 128        priv->o = g_value_get_pointer (value);
 129        INF("sink set Evas_Object %p.", priv->o);
 130        evas_object_event_callback_add(priv->o, EVAS_CALLBACK_FREE, _cleanup_priv, priv);
 131        eina_lock_release(&priv->m);
 132        break;
 133     case PROP_EV:
 134        INF("sink set ev.");
 135        eina_lock_take(&priv->m);
 136        priv->ev = g_value_get_pointer (value);
 137        if (priv->ev)
 138          priv->ev->samsung = EINA_TRUE;
 139        eina_lock_release(&priv->m);
 140        break;
 141     default:
 142        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 143        ERR("invalid property");
 144        break;
 145    }
 146 }
 147
 148 static void
 149 evas_video_sink_get_property(GObject * object, guint prop_id,
 150                              GValue * value, GParamSpec * pspec)
 151 {
 152    EvasVideoSink* sink;
 153    EvasVideoSinkPrivate* priv;
 154
 155    sink = EVAS_VIDEO_SINK (object);
 156    priv = sink->priv;
 157
 158    switch (prop_id) {
 159     case PROP_EVAS_OBJECT:
 160        INF("sink get property.");
 161        eina_lock_take(&priv->m);
 162        g_value_set_pointer(value, priv->o);
 163        eina_lock_release(&priv->m);
 164        break;
 165     case PROP_WIDTH:
 166        INF("sink get width.");
 167        eina_lock_take(&priv->m);
 168        g_value_set_int(value, priv->width);
 169        eina_lock_release(&priv->m);
 170        break;
 171     case PROP_HEIGHT:
 172        INF("sink get height.");
 173        eina_lock_take(&priv->m);
 174        g_value_set_int (value, priv->height);
 175        eina_lock_release(&priv->m);
 176        break;
 177     case PROP_EV:
 178        INF("sink get ev.");
 179        eina_lock_take(&priv->m);
 180        g_value_set_pointer (value, priv->ev);
 181        eina_lock_release(&priv->m);
 182        break;
 183     default:
 184        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 185        ERR("invalide property");
 186        break;
 187    }
 188 }
 189
 190 static void
 191 evas_video_sink_dispose(GObject* object)
 192 {
 193    EvasVideoSink* sink;
 194    EvasVideoSinkPrivate* priv;
 195
 196    INF("dispose.");
 197
 198    sink = EVAS_VIDEO_SINK(object);
 199    priv = sink->priv;
 200
 201    eina_lock_free(&priv->m);
 202    eina_condition_free(&priv->c);
 203
 204    G_OBJECT_CLASS(parent_class)->dispose(object);
 205 }
 206
 207
 208 /**** BaseSink methods ****/
 209
 210 gboolean evas_video_sink_set_caps(GstBaseSink *bsink, GstCaps *caps)
 211 {
 212    EvasVideoSink* sink;
 213    EvasVideoSinkPrivate* priv;
 214    GstStructure *structure;
 215    GstVideoFormat format;
 216    guint32 fourcc;
 217    unsigned int i;
 218
 219    sink = EVAS_VIDEO_SINK(bsink);
 220    priv = sink->priv;
 221
 222    structure = gst_caps_get_structure(caps, 0);
 223
 224    if (gst_structure_get_int(structure, "width", (int*) &priv->width)
 225        && gst_structure_get_int(structure, "height", (int*) &priv->height)
 226        && gst_structure_get_fourcc(structure, "format", &fourcc))
 227      {
 228         priv->source_height = priv->height;
 229
 230         for (i = 0; colorspace_fourcc_convertion[i].name != NULL; ++i)
 231           if (fourcc == colorspace_fourcc_convertion[i].fourcc)
 232             {
 233                fprintf(stderr, "Found '%s'\n", colorspace_fourcc_convertion[i].name);
 234                priv->eformat = colorspace_fourcc_convertion[i].eformat;
 235                priv->func = colorspace_fourcc_convertion[i].func;
 236                if (colorspace_fourcc_convertion[i].force_height)
 237                  {
 238                     priv->height = (priv->height >> 1) << 1;
 239                  }
 240                if (priv->ev)
 241                  priv->ev->kill_buffer = EINA_TRUE;
 242                return TRUE;
 243             }
 244
 245         if (fourcc == GST_MAKE_FOURCC('S', 'T', '1', '2'))
 246           {
 247              fprintf(stderr, "Found '%s'\n", "ST12");
 248              priv->eformat = EVAS_COLORSPACE_YCBCR420TM12601_PL;
 249              priv->samsung = EINA_TRUE;
 250              priv->func = NULL;
 251              if (priv->ev)
 252                {
 253                   priv->ev->samsung = EINA_TRUE;
 254                   priv->ev->kill_buffer = EINA_TRUE;
 255                }
 256              return TRUE;
 257           }
 258      }
 259
 260    INF("fallback code !");
 261    if (!gst_video_format_parse_caps(caps, &format, (int*) &priv->width, (int*) &priv->height))
 262      {
 263         ERR("Unable to parse caps.");
 264         return FALSE;
 265      }
 266
 267    priv->source_height = priv->height;
 268
 269    for (i = 0; colorspace_format_convertion[i].name != NULL; ++i)
 270      if (format == colorspace_format_convertion[i].format)
 271        {
 272           fprintf(stderr, "Found '%s'\n", colorspace_format_convertion[i].name);
 273           priv->eformat = colorspace_format_convertion[i].eformat;
 274           priv->func = colorspace_format_convertion[i].func;
 275           if (priv->ev)
 276             priv->ev->kill_buffer = EINA_FALSE;
 277           return TRUE;
 278        }
 279
 280    ERR("unsupported : %d\n", format);
 281    return FALSE;
 282 }
 283
 284 static gboolean
 285 evas_video_sink_start(GstBaseSink* base_sink)
 286 {
 287    EvasVideoSinkPrivate* priv;
 288    gboolean res = TRUE;
 289
 290    INF("sink start");
 291
 292    priv = EVAS_VIDEO_SINK(base_sink)->priv;
 293    eina_lock_take(&priv->m);
 294    if (!priv->o)
 295      res = FALSE;
 296    else
 297      priv->unlocked = EINA_FALSE;
 298    eina_lock_release(&priv->m);
 299    return res;
 300 }
 301
 302 static gboolean
 303 evas_video_sink_stop(GstBaseSink* base_sink)
 304 {
 305    EvasVideoSinkPrivate* priv = EVAS_VIDEO_SINK(base_sink)->priv;
 306
 307    INF("sink stop");
 308
 309    unlock_buffer_mutex(priv);
 310    return TRUE;
 311 }
 312
 313 static gboolean
 314 evas_video_sink_unlock(GstBaseSink* object)
 315 {
 316    EvasVideoSink* sink;
 317
 318    INF("sink unlock");
 319
 320    sink = EVAS_VIDEO_SINK(object);
 321
 322    unlock_buffer_mutex(sink->priv);
 323
 324    return GST_CALL_PARENT_WITH_DEFAULT(GST_BASE_SINK_CLASS, unlock,
 325                                        (object), TRUE);
 326 }
 327
 328 static gboolean
 329 evas_video_sink_unlock_stop(GstBaseSink* object)
 330 {
 331    EvasVideoSink* sink;
 332    EvasVideoSinkPrivate* priv;
 333
 334    sink = EVAS_VIDEO_SINK(object);
 335    priv = sink->priv;
 336
 337    INF("sink unlock stop");
 338
 339    eina_lock_take(&priv->m);
 340    priv->unlocked = FALSE;
 341    eina_lock_release(&priv->m);
 342
 343    return GST_CALL_PARENT_WITH_DEFAULT(GST_BASE_SINK_CLASS, unlock_stop,
 344                                        (object), TRUE);
 345 }
 346
 347 static GstFlowReturn
 348 evas_video_sink_preroll(GstBaseSink* bsink, GstBuffer* buffer)
 349 {
 350    Emotion_Gstreamer_Buffer *send;
 351    EvasVideoSinkPrivate *priv;
 352    EvasVideoSink *sink;
 353
 354    INF("sink preroll %p [%i]", GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 355
 356    sink = EVAS_VIDEO_SINK(bsink);
 357    priv = sink->priv;
 358
 359    if (GST_BUFFER_SIZE(buffer) <= 0 && !priv->samsung)
 360      {
 361         WRN("empty buffer");
 362         return GST_FLOW_OK;
 363      }
 364
 365    send = emotion_gstreamer_buffer_alloc(priv, buffer, EINA_TRUE);
 366
 367    if (send)
 368      {
 369         if (priv->samsung)
 370           {
 371              if (!priv->func)
 372                {
 373                   GstStructure *structure;
 374                   GstCaps *caps;
 375                   gboolean is_multiplane = FALSE;
 376
 377                   caps = GST_BUFFER_CAPS(buffer);
 378                   structure = gst_caps_get_structure (caps, 0);
 379                   gst_structure_get_boolean(structure, "multiplane", &is_multiplane);
 380                   gst_caps_unref(caps);
 381
 382                   if (is_multiplane)
 383                     priv->func = _evas_video_st12_multiplane;
 384                   else
 385                     priv->func = _evas_video_st12;
 386                }
 387
 388              ecore_main_loop_thread_safe_call_async(evas_video_sink_samsung_main_render, send);
 389           }
 390         else
 391           ecore_main_loop_thread_safe_call_async(evas_video_sink_main_render, send);
 392      }
 393
 394    return GST_FLOW_OK;
 395 }
 396
 397 static GstFlowReturn
 398 evas_video_sink_render(GstBaseSink* bsink, GstBuffer* buffer)
 399 {
 400    Emotion_Gstreamer_Buffer *send;
 401    EvasVideoSinkPrivate *priv;
 402    EvasVideoSink *sink;
 403
 404    INF("sink render %p", buffer);
 405
 406    sink = EVAS_VIDEO_SINK(bsink);
 407    priv = sink->priv;
 408
 409    eina_lock_take(&priv->m);
 410
 411    if (priv->unlocked) {
 412       ERR("LOCKED");
 413       eina_lock_release(&priv->m);
 414       return GST_FLOW_OK;
 415    }
 416
 417    send = emotion_gstreamer_buffer_alloc(priv, buffer, EINA_FALSE);
 418    if (!send) {
 419       eina_lock_release(&priv->m);
 420       return GST_FLOW_ERROR;
 421    }
 422
 423    if (priv->samsung)
 424      {
 425         if (!priv->func)
 426           {
 427              GstStructure *structure;
 428              GstCaps *caps;
 429              gboolean is_multiplane = FALSE;
 430
 431              caps = GST_BUFFER_CAPS(buffer);
 432              structure = gst_caps_get_structure (caps, 0);
 433              gst_structure_get_boolean(structure, "multiplane", &is_multiplane);
 434              gst_caps_unref(caps);
 435
 436              if (is_multiplane)
 437                priv->func = _evas_video_st12_multiplane;
 438              else
 439                priv->func = _evas_video_st12;
 440           }
 441
 442         ecore_main_loop_thread_safe_call_async(evas_video_sink_samsung_main_render, send);
 443      }
 444    else
 445      ecore_main_loop_thread_safe_call_async(evas_video_sink_main_render, send);
 446
 447    eina_condition_wait(&priv->c);
 448    eina_lock_release(&priv->m);
 449
 450    return GST_FLOW_OK;
 451 }
 452
 453 static void
 454 _update_emotion_fps(Emotion_Gstreamer_Video *ev)
 455 {
 456    double tim;
 457
 458    if (!debug_fps) return ;
 459
 460    tim = ecore_time_get();
 461    ev->frames++;
 462
 463    if (ev->rlapse == 0.0)
 464      {
 465         ev->rlapse = tim;
 466         ev->flapse = ev->frames;
 467      }
 468    else if ((tim - ev->rlapse) >= 0.5)
 469      {
 470         printf("FRAME: %i, FPS: %3.1f\n",
 471                ev->frames,
 472                (ev->frames - ev->flapse) / (tim - ev->rlapse));
 473         ev->rlapse = tim;
 474         ev->flapse = ev->frames;
 475      }
 476 }
 477
 478 static void
 479 evas_video_sink_samsung_main_render(void *data)
 480 {
 481    Emotion_Gstreamer_Buffer *send;
 482    Emotion_Video_Stream *vstream;
 483    EvasVideoSinkPrivate *priv = NULL;
 484    GstBuffer* buffer;
 485    unsigned char *evas_data;
 486    const guint8 *gst_data;
 487    GstFormat fmt = GST_FORMAT_TIME;
 488    gint64 pos;
 489    Eina_Bool preroll = EINA_FALSE;
 490    int stride, elevation;
 491    Evas_Coord w, h;
 492
 493    send = data;
 494
 495    if (!send) goto exit_point;
 496
 497    priv = send->sink;
 498    buffer = send->frame;
 499    preroll = send->preroll;
 500
 501    /* frame after cleanup */
 502    if (!preroll && !send->ev->last_buffer)
 503      {
 504         priv = NULL;
 505         goto exit_point;
 506      }
 507
 508    if (!priv || !priv->o || priv->unlocked)
 509      goto exit_point;
 510
 511    if (send->ev->send)
 512      {
 513         emotion_gstreamer_buffer_free(send->ev->send);
 514         send->ev->send = NULL;
 515      }
 516
 517    if (!send->ev->stream && !send->force)
 518      {
 519         send->ev->send = send;
 520         _emotion_frame_new(send->ev->obj);
 521         goto exit_stream;
 522      }
 523
 524    _emotion_gstreamer_video_pipeline_parse(send->ev, EINA_TRUE);
 525
 526    /* Getting stride to compute the right size and then fill the object properly */
 527    /* Y => [0] and UV in [1] */
 528    if (priv->func == _evas_video_st12_multiplane)
 529      {
 530         const GstMultiPlaneImageBuffer *mp_buf = (const GstMultiPlaneImageBuffer *) buffer;
 531
 532         stride = mp_buf->stride[0];
 533         elevation = mp_buf->elevation[0];
 534         priv->width = mp_buf->width[0];
 535         priv->height = mp_buf->height[0];
 536
 537         gst_data = (const guint8 *) mp_buf;
 538      }
 539    else
 540      {
 541         const SCMN_IMGB *imgb = (const SCMN_IMGB *) GST_BUFFER_MALLOCDATA(buffer);
 542
 543         stride = imgb->stride[0];
 544         elevation = imgb->elevation[0];
 545         priv->width = imgb->width[0];
 546         priv->height = imgb->height[0];
 547
 548         gst_data = (const guint8 *) imgb;
 549      }
 550
 551    evas_object_geometry_get(priv->o, NULL, NULL, &w, &h);
 552
 553    send->ev->fill.width = (double) stride / priv->width;
 554    send->ev->fill.height = (double) elevation / priv->height;
 555
 556    evas_object_image_alpha_set(priv->o, 0);
 557    evas_object_image_colorspace_set(priv->o, priv->eformat);
 558    evas_object_image_size_set(priv->o, stride, elevation);
 559
 560    _update_emotion_fps(send->ev);
 561
 562    evas_data = evas_object_image_data_get(priv->o, 1);
 563
 564    if (priv->func)
 565      priv->func(evas_data, gst_data, stride, elevation, elevation);
 566    else
 567      WRN("No way to decode %x colorspace !", priv->eformat);
 568
 569    evas_object_image_data_set(priv->o, evas_data);
 570    evas_object_image_data_update_add(priv->o, 0, 0, priv->width, priv->height);
 571    evas_object_image_pixels_dirty_set(priv->o, 0);
 572
 573    if (!preroll && send->ev->play_started)
 574      {
 575         _emotion_playback_started(send->ev->obj);
 576         send->ev->play_started = 0;
 577      }
 578
 579    if (!send->force)
 580      {
 581         _emotion_frame_new(send->ev->obj);
 582      }
 583
 584    vstream = eina_list_nth(send->ev->video_streams, send->ev->video_stream_nbr - 1);
 585
 586    gst_element_query_position(send->ev->pipeline, &fmt, &pos);
 587    send->ev->position = (double)pos / (double)GST_SECOND;
 588
 589    if (vstream)
 590      {
 591         vstream->width = priv->width;
 592         vstream->height = priv->height;
 593
 594         _emotion_video_pos_update(send->ev->obj, send->ev->position, vstream->length_time);
 595      }
 596
 597    send->ev->ratio = (double) priv->width / (double) priv->height;
 598    _emotion_frame_refill(send->ev->obj, send->ev->fill.width, send->ev->fill.height);
 599    _emotion_frame_resize(send->ev->obj, priv->width, priv->height, send->ev->ratio);
 600
 601    buffer = gst_buffer_ref(buffer);
 602    if (send->ev->last_buffer) gst_buffer_unref(send->ev->last_buffer);
 603    send->ev->last_buffer = buffer;
 604
 605  exit_point:
 606    emotion_gstreamer_buffer_free(send);
 607
 608  exit_stream:
 609    if (priv)
 610      {
 611         if (preroll || !priv->o) return;
 612
 613         if (!priv->unlocked)
 614           eina_condition_signal(&priv->c);
 615      }
 616 }
 617
 618 static void
 619 evas_video_sink_main_render(void *data)
 620 {
 621    Emotion_Gstreamer_Buffer *send;
 622    Emotion_Gstreamer_Video *ev = NULL;
 623    Emotion_Video_Stream *vstream;
 624    EvasVideoSinkPrivate *priv = NULL;
 625    GstBuffer *buffer;
 626    unsigned char *evas_data;
 627    GstFormat fmt = GST_FORMAT_TIME;
 628    gint64 pos;
 629    Eina_Bool preroll = EINA_FALSE;
 630
 631    send = data;
 632
 633    if (!send) goto exit_point;
 634
 635    priv = send->sink;
 636    buffer = send->frame;
 637    preroll = send->preroll;
 638    ev = send->ev;
 639
 640    /* frame after cleanup */
 641    if (!preroll && !ev->last_buffer)
 642      {
 643         priv = NULL;
 644         goto exit_point;
 645      }
 646
 647    if (!priv || !priv->o || priv->unlocked)
 648      goto exit_point;
 649
 650    if (ev->send && send != ev->send)
 651      {
 652         emotion_gstreamer_buffer_free(ev->send);
 653         ev->send = NULL;
 654      }
 655
 656    if (!ev->stream && !send->force)
 657      {
 658         ev->send = send;
 659         _emotion_frame_new(ev->obj);
 660         evas_object_image_data_update_add(priv->o, 0, 0, priv->width, priv->height);
 661         goto exit_stream;
 662      }
 663
 664    _emotion_gstreamer_video_pipeline_parse(ev, EINA_TRUE);
 665
 666    INF("sink main render [%i, %i] (source height: %i)", priv->width, priv->height, priv->source_height);
 667
 668    evas_object_image_alpha_set(priv->o, 0);
 669    evas_object_image_colorspace_set(priv->o, priv->eformat);
 670    evas_object_image_size_set(priv->o, priv->width, priv->height);
 671
 672    evas_data = evas_object_image_data_get(priv->o, 1);
 673
 674    if (priv->func)
 675      priv->func(evas_data, GST_BUFFER_DATA(buffer), priv->width, priv->source_height, priv->height);
 676    else
 677      WRN("No way to decode %x colorspace !", priv->eformat);
 678
 679    evas_object_image_data_set(priv->o, evas_data);
 680    evas_object_image_data_update_add(priv->o, 0, 0, priv->width, priv->height);
 681    evas_object_image_pixels_dirty_set(priv->o, 0);
 682
 683    _update_emotion_fps(ev);
 684
 685    if (!preroll && ev->play_started)
 686      {
 687         _emotion_playback_started(ev->obj);
 688         ev->play_started = 0;
 689      }
 690
 691    if (!send->force)
 692      {
 693         _emotion_frame_new(ev->obj);
 694      }
 695
 696    gst_element_query_position(ev->pipeline, &fmt, &pos);
 697    ev->position = (double)pos / (double)GST_SECOND;
 698
 699    vstream = eina_list_nth(ev->video_streams, ev->video_stream_nbr - 1);
 700
 701    if (vstream)
 702      {
 703        vstream->width = priv->width;
 704        vstream->height = priv->height;
 705        _emotion_video_pos_update(ev->obj, ev->position, vstream->length_time);
 706      }
 707
 708    ev->ratio = (double) priv->width / (double) priv->height;
 709
 710    _emotion_frame_resize(ev->obj, priv->width, priv->height, ev->ratio);
 711
 712    buffer = gst_buffer_ref(buffer);
 713    if (ev->last_buffer) gst_buffer_unref(ev->last_buffer);
 714    ev->last_buffer = buffer;
 715
 716  exit_point:
 717    emotion_gstreamer_buffer_free(send);
 718
 719  exit_stream:
 720    if (priv)
 721      {
 722         if (preroll || !priv->o) return;
 723
 724         if (!priv->unlocked)
 725           eina_condition_signal(&priv->c);
 726      }
 727 }
 728
 729 static void
 730 unlock_buffer_mutex(EvasVideoSinkPrivate* priv)
 731 {
 732    priv->unlocked = EINA_TRUE;
 733
 734    eina_condition_signal(&priv->c);
 735 }
 736
 737 static void
 738 marshal_VOID__MINIOBJECT(GClosure * closure, GValue * return_value __UNUSED__,
 739                          guint n_param_values, const GValue * param_values,
 740                          gpointer invocation_hint __UNUSED__, gpointer marshal_data)
 741 {
 742    typedef void (*marshalfunc_VOID__MINIOBJECT) (gpointer obj, gpointer arg1, gpointer data2);
 743    marshalfunc_VOID__MINIOBJECT callback;
 744    GCClosure *cc;
 745    gpointer data1, data2;
 746
 747    cc = (GCClosure *) closure;
 748
 749    g_return_if_fail(n_param_values == 2);
 750
 751    if (G_CCLOSURE_SWAP_DATA(closure)) {
 752       data1 = closure->data;
 753       data2 = g_value_peek_pointer(param_values + 0);
 754    } else {
 755       data1 = g_value_peek_pointer(param_values + 0);
 756       data2 = closure->data;
 757    }
 758    callback = (marshalfunc_VOID__MINIOBJECT) (marshal_data ? marshal_data : cc->callback);
 759
 760    callback(data1, gst_value_get_mini_object(param_values + 1), data2);
 761 }
 762
 763 static void
 764 evas_video_sink_class_init(EvasVideoSinkClass* klass)
 765 {
 766    GObjectClass* gobject_class;
 767    GstBaseSinkClass* gstbase_sink_class;
 768
 769    gobject_class = G_OBJECT_CLASS(klass);
 770    gstbase_sink_class = GST_BASE_SINK_CLASS(klass);
 771
 772    g_type_class_add_private(klass, sizeof(EvasVideoSinkPrivate));
 773
 774    gobject_class->set_property = evas_video_sink_set_property;
 775    gobject_class->get_property = evas_video_sink_get_property;
 776
 777    g_object_class_install_property (gobject_class, PROP_EVAS_OBJECT,
 778                                     g_param_spec_pointer ("evas-object", "Evas Object",
 779                                                           "The Evas object where the display of the video will be done",
 780                                                           G_PARAM_READWRITE));
 781
 782    g_object_class_install_property (gobject_class, PROP_WIDTH,
 783                                     g_param_spec_int ("width", "Width",
 784                                                       "The width of the video",
 785                                                       0, 65536, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 786
 787    g_object_class_install_property (gobject_class, PROP_HEIGHT,
 788                                     g_param_spec_int ("height", "Height",
 789                                                       "The height of the video",
 790                                                       0, 65536, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 791    g_object_class_install_property (gobject_class, PROP_EV,
 792                                     g_param_spec_pointer ("ev", "Emotion_Gstreamer_Video",
 793                                                           "THe internal data of the emotion object",
 794                                                           G_PARAM_READWRITE));
 795
 796    gobject_class->dispose = evas_video_sink_dispose;
 797
 798    gstbase_sink_class->set_caps = evas_video_sink_set_caps;
 799    gstbase_sink_class->stop = evas_video_sink_stop;
 800    gstbase_sink_class->start = evas_video_sink_start;
 801    gstbase_sink_class->unlock = evas_video_sink_unlock;
 802    gstbase_sink_class->unlock_stop = evas_video_sink_unlock_stop;
 803    gstbase_sink_class->render = evas_video_sink_render;
 804    gstbase_sink_class->preroll = evas_video_sink_preroll;
 805
 806    evas_video_sink_signals[REPAINT_REQUESTED] = g_signal_new("repaint-requested",
 807                                                              G_TYPE_FROM_CLASS(klass),
 808                                                              (GSignalFlags)(G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
 809                                                              0,
 810                                                              0,
 811                                                              0,
 812                                                              marshal_VOID__MINIOBJECT,
 813                                                              G_TYPE_NONE, 1, GST_TYPE_BUFFER);
 814 }
 815
 816 gboolean
 817 gstreamer_plugin_init (GstPlugin * plugin)
 818 {
 819    return gst_element_register (plugin,
 820                                 "emotion-sink",
 821                                 GST_RANK_NONE,
 822                                 EVAS_TYPE_VIDEO_SINK);
 823 }
 824
 825 static void
 826 _emotion_gstreamer_pause(void *data, Ecore_Thread *thread)
 827 {
 828    Emotion_Gstreamer_Video *ev = data;
 829    gboolean res;
 830
 831    if (ecore_thread_check(thread) || !ev->pipeline) return ;
 832
 833    gst_element_set_state(ev->pipeline, GST_STATE_PAUSED);
 834    res = gst_element_get_state(ev->pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
 835    if (res == GST_STATE_CHANGE_NO_PREROLL)
 836      {
 837         gst_element_set_state(ev->pipeline, GST_STATE_PLAYING);
 838         gst_element_get_state(ev->pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
 839      }
 840 }
 841
 842 static void
 843 _emotion_gstreamer_cancel(void *data, Ecore_Thread *thread)
 844 {
 845    Emotion_Gstreamer_Video *ev = data;
 846
 847    ev->threads = eina_list_remove(ev->threads, thread);
 848
 849    if (getenv("EMOTION_GSTREAMER_DOT")) GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(ev->pipeline), GST_DEBUG_GRAPH_SHOW_ALL, getenv("EMOTION_GSTREAMER_DOT"));
 850
 851    if (ev->in == ev->out && ev->delete_me)
 852      em_shutdown(ev);
 853 }
 854
 855 static void
 856 _emotion_gstreamer_end(void *data, Ecore_Thread *thread)
 857 {
 858    Emotion_Gstreamer_Video *ev = data;
 859
 860    ev->threads = eina_list_remove(ev->threads, thread);
 861
 862    if (ev->play)
 863      {
 864         gst_element_set_state(ev->pipeline, GST_STATE_PLAYING);
 865         ev->play_started = 1;
 866      }
 867
 868    if (getenv("EMOTION_GSTREAMER_DOT")) GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(ev->pipeline), GST_DEBUG_GRAPH_SHOW_ALL, getenv("EMOTION_GSTREAMER_DOT"));
 869
 870    if (ev->in == ev->out && ev->delete_me)
 871      em_shutdown(ev);
 872    else
 873      _emotion_gstreamer_video_pipeline_parse(data, EINA_TRUE);
 874 }
 875
 876 static void
 877 _video_resize(void *data, Evas_Object *obj __UNUSED__, const Evas_Video_Surface *surface __UNUSED__,
 878               Evas_Coord w, Evas_Coord h)
 879 {
 880 #ifdef HAVE_ECORE_X
 881    Emotion_Gstreamer_Video *ev = data;
 882
 883    ecore_x_window_resize(ev->win, w, h);
 884 #endif
 885    fprintf(stderr, "resize: %i, %i\n", w, h);
 886 }
 887
 888 static void
 889 _video_move(void *data, Evas_Object *obj __UNUSED__, const Evas_Video_Surface *surface __UNUSED__,
 890             Evas_Coord x, Evas_Coord y)
 891 {
 892 #ifdef HAVE_ECORE_X
 893    Emotion_Gstreamer_Video *ev = data;
 894    unsigned int pos[2];
 895
 896    fprintf(stderr, "move: %i, %i\n", x, y);
 897    pos[0] = x; pos[1] = y;
 898    ecore_x_window_prop_card32_set(ev->win, ECORE_X_ATOM_E_VIDEO_POSITION, pos, 2);
 899 #endif
 900 }
 901
 902 #if 0
 903 /* Much better idea to always feed the XvImageSink and let him handle optimizing the rendering as we do */
 904 static void
 905 _block_pad_unlink_cb(GstPad *pad, gboolean blocked, gpointer user_data)
 906 {
 907    if (blocked)
 908      {
 909         Emotion_Gstreamer_Video *ev = user_data;
 910         GstEvent *gev;
 911
 912         gst_pad_unlink(ev->xvteepad, ev->xvpad);
 913         gev = gst_event_new_eos();
 914         gst_pad_send_event(ev->xvpad, gev);
 915         gst_pad_set_blocked_async(pad, FALSE, _block_pad_unlink_cb, NULL);
 916      }
 917 }
 918
 919 static void
 920 _block_pad_link_cb(GstPad *pad, gboolean blocked, gpointer user_data)
 921 {
 922    if (blocked)
 923      {
 924         Emotion_Gstreamer_Video *ev = user_data;
 925
 926         gst_pad_link(ev->xvteepad, ev->xvpad);
 927         if (ev->play)
 928           gst_element_set_state(ev->xvsink, GST_STATE_PLAYING);
 929         else
 930           gst_element_set_state(ev->xvsink, GST_STATE_PAUSED);
 931         gst_pad_set_blocked_async(pad, FALSE, _block_pad_link_cb, NULL);
 932      }
 933 }
 934 #endif
 935
 936 static void
 937 _video_show(void *data, Evas_Object *obj __UNUSED__, const Evas_Video_Surface *surface __UNUSED__)
 938 {
 939 #ifdef HAVE_ECORE_X
 940    Emotion_Gstreamer_Video *ev = data;
 941
 942    fprintf(stderr, "show xv\n");
 943    ecore_x_window_show(ev->win);
 944 #endif
 945    /* gst_pad_set_blocked_async(ev->xvteepad, TRUE, _block_pad_link_cb, ev); */
 946 }
 947
 948 static void
 949 _video_hide(void *data, Evas_Object *obj __UNUSED__, const Evas_Video_Surface *surface __UNUSED__)
 950 {
 951 #ifdef HAVE_ECORE_X
 952    Emotion_Gstreamer_Video *ev = data;
 953
 954    fprintf(stderr, "hide xv\n");
 955    ecore_x_window_hide(ev->win);
 956 #endif
 957    /* gst_pad_set_blocked_async(ev->xvteepad, TRUE, _block_pad_unlink_cb, ev); */
 958 }
 959
 960 static void
 961 _video_update_pixels(void *data, Evas_Object *obj __UNUSED__, const Evas_Video_Surface *surface __UNUSED__)
 962 {
 963    Emotion_Gstreamer_Video *ev = data;
 964    Emotion_Gstreamer_Buffer *send;
 965
 966    if (!ev->send) return ;
 967
 968    send = ev->send;
 969    send->force = EINA_TRUE;
 970    ev->send = NULL;
 971    evas_video_sink_main_render(send);
 972 }
 973
 974 static void
 975 _image_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 976 {
 977    Emotion_Gstreamer_Video *ev = data;
 978    Evas_Coord width, height;
 979    int image_area, src_area;
 980    double ratio;
 981
 982    evas_object_geometry_get(obj, NULL, NULL, &width, &height);
 983    image_area = width * height;
 984    src_area = ev->src_width * ev->src_height;
 985    ratio = (double)image_area / (double)src_area;
 986
 987    // when an image is much smaller than original video size,
 988    // add fimcconvert element to the pipeline
 989    if (ratio < 0.8 && !ev->priority && !ev->convert)
 990      {
 991         GstElementFactory *cfactory = NULL;
 992
 993         cfactory = gst_element_factory_find("fimcconvert");
 994         if (cfactory)
 995           {
 996              GstElement *convert = NULL;
 997
 998              convert = gst_element_factory_create(cfactory, NULL);
 999              if (convert)
1000                {
1001                   GstElement *queue = NULL;
1002                   GstPad *pad, *teepad;
1003
1004                   queue = gst_bin_get_by_name(GST_BIN(ev->sink), "equeue");
1005                   gst_element_unlink(ev->tee, queue);
1006                   gst_element_release_request_pad(ev->tee, ev->eteepad);
1007                   gst_object_unref(ev->eteepad);
1008
1009                   gst_bin_add(GST_BIN(ev->sink), convert);
1010                   gst_element_link_many(ev->tee, convert, queue, NULL);
1011                   pad = gst_element_get_pad(convert, "sink");
1012                   teepad = gst_element_get_request_pad(ev->tee, "src%d");
1013                   gst_pad_link(teepad, pad);
1014                   gst_object_unref(pad);
1015
1016                   g_object_set(G_OBJECT(convert), "src-width", width, NULL);
1017                   g_object_set(G_OBJECT(convert), "src-height", height, NULL);
1018                   g_object_set(G_OBJECT(convert), "qos", TRUE, NULL);
1019                   gst_element_sync_state_with_parent(convert);
1020
1021                   ev->eteepad = teepad;
1022                   ev->convert = convert;
1023                }
1024           }
1025      }
1026    // TODO: when an image is resized(e.g rotation), set size again to fimcconvert
1027    // TODO: fimcconvert has an issue about resetting
1028    //else if (ev->convert)
1029    //  {
1030    //     g_object_set(G_OBJECT(ev->convert), "src-width", w, NULL);
1031    //     g_object_set(G_OBJECT(ev->convert), "src-height", h, NULL);
1032    //  }
1033 }
1034
1035 GstElement *
1036 gstreamer_video_sink_new(Emotion_Gstreamer_Video *ev,
1037                          Evas_Object *o,
1038                          const char *uri)
1039 {
1040    GstElement *playbin;
1041    GstElement *bin = NULL;
1042    GstElement *esink = NULL;
1043    GstElement *xvsink = NULL;
1044    GstElement *tee = NULL;
1045    GstElement *queue = NULL;
1046    Evas_Object *obj;
1047    GstPad *pad;
1048    GstPad *teepad;
1049    int flags;
1050    const char *launch;
1051 #if defined HAVE_ECORE_X && defined HAVE_XOVERLAY_H
1052    const char *engine = NULL;
1053    Eina_List *engines;
1054 #endif
1055
1056    obj = emotion_object_image_get(o);
1057    if (!obj)
1058      {
1059         ERR("Not Evas_Object specified");
1060         return NULL;
1061      }
1062
1063    if (!uri)
1064      return NULL;
1065
1066    launch = emotion_webcam_custom_get(uri);
1067    if (launch)
1068      {
1069         GError *error = NULL;
1070
1071         playbin = gst_parse_bin_from_description(launch, 1, &error);
1072         if (!playbin)
1073           {
1074              ERR("Unable to setup command : '%s' got error '%s'.", launch, error->message);
1075              g_error_free(error);
1076              return NULL;
1077           }
1078         if (error)
1079           {
1080              WRN("got recoverable error '%s' for command : '%s'.", error->message, launch);
1081              g_error_free(error);
1082           }
1083      }
1084    else
1085      {
1086         playbin = gst_element_factory_make("playbin2", "playbin");
1087         if (!playbin)
1088           {
1089              ERR("Unable to create 'playbin' GstElement.");
1090              return NULL;
1091           }
1092      }
1093
1094    bin = gst_bin_new(NULL);
1095    if (!bin)
1096      {
1097        ERR("Unable to create GstBin !");
1098        goto unref_pipeline;
1099      }
1100
1101    tee = gst_element_factory_make("tee", NULL);
1102    if (!tee)
1103      {
1104        ERR("Unable to create 'tee' GstElement.");
1105        goto unref_pipeline;
1106      }
1107
1108 #if defined HAVE_ECORE_X && defined HAVE_XOVERLAY_H
1109    if (window_manager_video)
1110      {
1111         Eina_List *l;
1112         const char *ename;
1113
1114         engines = evas_render_method_list();
1115
1116         EINA_LIST_FOREACH(engines, l, ename)
1117           {
1118              if (evas_render_method_lookup(ename) ==
1119                  evas_output_method_get(evas_object_evas_get(obj)))
1120                {
1121                   engine = ename;
1122                   break;
1123                }
1124           }
1125
1126        if (ev->priority && engine && strstr(engine, "_x11") != NULL)
1127          {
1128            Ecore_Evas *ee;
1129            Evas_Coord x, y, w, h;
1130            Ecore_X_Window win;
1131            Ecore_X_Window parent;
1132
1133            evas_object_geometry_get(obj, &x, &y, &w, &h);
1134
1135            ee = ecore_evas_ecore_evas_get(evas_object_evas_get(obj));
1136
1137            if (w < 4) w = 4;
1138            if (h < 2) h = 2;
1139
1140            /* Here we really need to have the help of the window manager, this code will change when we update E17. */
1141            parent = (Ecore_X_Window) ecore_evas_window_get(ee);
1142            fprintf(stderr, "parent: %x\n", parent);
1143
1144            win = ecore_x_window_new(0, x, y, w, h);
1145            fprintf(stderr, "creating window: %x [%i, %i, %i, %i]\n", win, x, y, w, h);
1146            if (win)
1147              {
1148                Ecore_X_Window_State state[] = { ECORE_X_WINDOW_STATE_SKIP_TASKBAR, ECORE_X_WINDOW_STATE_SKIP_PAGER };
1149
1150                ecore_x_netwm_window_state_set(win, state, 2);
1151                ecore_x_window_hide(win);
1152                xvsink = gst_element_factory_make("xvimagesink", NULL);
1153                if (xvsink)
1154                  {
1155                    unsigned int pos[2];
1156
1157 #ifdef HAVE_X_OVERLAY_SET
1158                    gst_x_overlay_set_window_handle(GST_X_OVERLAY(xvsink), win);
1159 #else
1160                    gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(xvsink), win);
1161 #endif
1162                    ev->win = win;
1163
1164                    ecore_x_window_prop_card32_set(win, ECORE_X_ATOM_E_VIDEO_PARENT, &parent, 1);
1165
1166                    pos[0] = x; pos[1] = y;
1167                    ecore_x_window_prop_card32_set(win, ECORE_X_ATOM_E_VIDEO_POSITION, pos, 2);
1168                  }
1169                else
1170                  {
1171                    fprintf(stderr, "destroying win: %x\n", win);
1172                    ecore_x_window_free(win);
1173                  }
1174              }
1175          }
1176        evas_render_method_list_free(engines);
1177      }
1178 #else
1179 # warning "missing: ecore_x OR xoverlay"
1180 #endif
1181
1182    esink = gst_element_factory_make("emotion-sink", "sink");
1183    if (!esink)
1184      {
1185         ERR("Unable to create 'emotion-sink' GstElement.");
1186         goto unref_pipeline;
1187      }
1188
1189    g_object_set(G_OBJECT(esink), "evas-object", obj, NULL);
1190    g_object_set(G_OBJECT(esink), "ev", ev, NULL);
1191
1192    evas_object_image_pixels_get_callback_set(obj, NULL, NULL);
1193    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _image_resize, ev);
1194
1195    /* We need queue to force each video sink to be in its own thread */
1196    queue = gst_element_factory_make("queue", "equeue");
1197    if (!queue)
1198      {
1199         ERR("Unable to create 'queue' GstElement.");
1200         goto unref_pipeline;
1201      }
1202
1203    gst_bin_add_many(GST_BIN(bin), tee, queue, esink, NULL);
1204    gst_element_link_many(queue, esink, NULL);
1205
1206    /* link both sink to GstTee */
1207    pad = gst_element_get_pad(queue, "sink");
1208    teepad = gst_element_get_request_pad(tee, "src%d");
1209    gst_pad_link(teepad, pad);
1210    gst_object_unref(pad);
1211
1212    ev->eteepad = teepad;
1213
1214    if (xvsink)
1215      {
1216         GstElement *fakeeos;
1217
1218         queue = gst_element_factory_make("queue", "xvqueue");
1219         fakeeos = GST_ELEMENT(GST_BIN(g_object_new(GST_TYPE_FAKEEOS_BIN, "name", "eosbin", NULL)));
1220         if (queue && fakeeos)
1221           {
1222              GstPad *queue_pad;
1223
1224              gst_bin_add_many(GST_BIN(bin), fakeeos, NULL);
1225
1226              gst_bin_add_many(GST_BIN(fakeeos), queue, xvsink, NULL);
1227              gst_element_link_many(queue, xvsink, NULL);
1228              queue_pad = gst_element_get_pad(queue, "sink");
1229              gst_element_add_pad(fakeeos, gst_ghost_pad_new("sink", queue_pad));
1230
1231              pad = gst_element_get_pad(fakeeos, "sink");
1232              teepad = gst_element_get_request_pad(tee, "src%d");
1233              gst_pad_link(teepad, pad);
1234
1235              xvsink = fakeeos;
1236
1237              ev->xvteepad = teepad;
1238              ev->xvpad = pad;
1239           }
1240         else
1241           {
1242              if (fakeeos) gst_object_unref(fakeeos);
1243              if (queue) gst_object_unref(queue);
1244              gst_object_unref(xvsink);
1245              xvsink = NULL;
1246           }
1247      }
1248
1249    teepad = gst_element_get_pad(tee, "sink");
1250    gst_element_add_pad(bin, gst_ghost_pad_new("sink", teepad));
1251    gst_object_unref(teepad);
1252
1253 #define GST_PLAY_FLAG_NATIVE_VIDEO  (1 << 6)
1254 #define GST_PLAY_FLAG_DOWNLOAD      (1 << 7)
1255 #define GST_PLAY_FLAG_AUDIO         (1 << 1)
1256 #define GST_PLAY_FLAG_NATIVE_AUDIO  (1 << 5)
1257
1258    if (launch)
1259      {
1260         g_object_set(G_OBJECT(playbin), "sink", bin, NULL);
1261      }
1262    else
1263      {
1264         g_object_get(G_OBJECT(playbin), "flags", &flags, NULL);
1265         g_object_set(G_OBJECT(playbin), "flags", flags | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_DOWNLOAD | GST_PLAY_FLAG_NATIVE_AUDIO, NULL);
1266         g_object_set(G_OBJECT(playbin), "video-sink", bin, NULL);
1267         g_object_set(G_OBJECT(playbin), "uri", uri, NULL);
1268      }
1269
1270    evas_object_image_pixels_get_callback_set(obj, NULL, NULL);
1271
1272    ev->stream = EINA_TRUE;
1273
1274    if (xvsink)
1275      {
1276         Evas_Video_Surface video;
1277
1278         video.version = EVAS_VIDEO_SURFACE_VERSION;
1279         video.data = ev;
1280         video.parent = NULL;
1281         video.move = _video_move;
1282         video.resize = _video_resize;
1283         video.show = _video_show;
1284         video.hide = _video_hide;
1285         video.update_pixels = _video_update_pixels;
1286
1287         evas_object_image_video_surface_set(obj, &video);
1288         ev->stream = EINA_FALSE;
1289      }
1290
1291    eina_stringshare_replace(&ev->uri, uri);
1292    ev->pipeline = playbin;
1293    ev->sink = bin;
1294    ev->esink = esink;
1295    ev->xvsink = xvsink;
1296    ev->tee = tee;
1297    ev->threads = eina_list_append(ev->threads,
1298                                   ecore_thread_run(_emotion_gstreamer_pause,
1299                                                    _emotion_gstreamer_end,
1300                                                    _emotion_gstreamer_cancel,
1301                                                    ev));
1302
1303    /** NOTE: you need to set: GST_DEBUG_DUMP_DOT_DIR=/tmp EMOTION_ENGINE=gstreamer to save the $EMOTION_GSTREAMER_DOT file in '/tmp' */
1304    /** then call dot -Tpng -oemotion_pipeline.png /tmp/$TIMESTAMP-$EMOTION_GSTREAMER_DOT.dot */
1305    if (getenv("EMOTION_GSTREAMER_DOT")) GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(playbin), GST_DEBUG_GRAPH_SHOW_ALL, getenv("EMOTION_GSTREAMER_DOT"));
1306
1307    return playbin;
1308
1309  unref_pipeline:
1310    gst_object_unref(xvsink);
1311    gst_object_unref(esink);
1312    gst_object_unref(tee);
1313    gst_object_unref(bin);
1314    gst_object_unref(playbin);
1315    return NULL;
1316 }