void
gst_decklink_sink_finalize (GObject * object)
{
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (object);

  g_cond_clear (&decklinksink->cond);
  g_mutex_clear (&decklinksink->mutex);
  g_cond_clear (&decklinksink->audio_cond);
  g_mutex_clear (&decklinksink->audio_mutex);

  delete decklinksink->callback;

#ifdef _MSC_VER
  /* signal the COM thread that it should uninitialize COM */
  if (decklinksink->comInitialized) {
    g_mutex_lock (&decklinksink->com_deinit_lock);
    g_cond_signal (&decklinksink->com_uninitialize);
    g_cond_wait (&decklinksink->com_uninitialized,
        &decklinksink->com_deinit_lock);
    g_mutex_unlock (&decklinksink->com_deinit_lock);
  }

  g_mutex_clear (&decklinksink->com_init_lock);
  g_mutex_clear (&decklinksink->com_deinit_lock);
  g_cond_clear (&decklinksink->com_initialized);
  g_cond_clear (&decklinksink->com_uninitialize);
  g_cond_clear (&decklinksink->com_uninitialized);
#endif /* _MSC_VER */

  G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_decklink_sink_videosink_query (GstPad * pad, GstObject * parent,
    GstQuery * query)
{
  gboolean res;
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (parent);

  GST_DEBUG_OBJECT (decklinksink, "query");

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_CAPS:{
      GstCaps *mode_caps, *filter, *caps;

      /* FIXME: do we change mode if incoming caps change? If yes, we
       * should probably return the template caps instead */
      mode_caps = gst_decklink_mode_get_caps (decklinksink->mode);
      gst_query_parse_caps (query, &filter);
      caps = gst_caps_intersect (mode_caps, filter);
      gst_caps_unref (mode_caps);
      gst_query_set_caps_result (query, caps);
      gst_caps_unref (caps);
      break;
    }
    default:
      res = gst_pad_query_default (pad, parent, query);
      break;
  }

  return res;
}
示例#3
0
static gboolean
gst_decklink_sink_audiosink_event (GstPad * pad, GstObject * parent,
    GstEvent * event)
{
  gboolean res;
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (parent);

  GST_DEBUG_OBJECT (pad, "event: %" GST_PTR_FORMAT, event);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_EOS:
      /* FIXME: EOS aggregation with video pad looks wrong */
      decklinksink->audio_eos = TRUE;
      decklinksink->audio_seqnum = gst_event_get_seqnum (event);
      res = gst_pad_event_default (pad, parent, event);
      break;
    default:
      res = gst_pad_event_default (pad, parent, event);
      break;
  }

  return res;
}
static GstFlowReturn
gst_decklink_sink_audiosink_chainlist (GstPad * pad, GstBufferList * bufferlist)
{
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "chainlist");


  gst_object_unref (decklinksink);
  return GST_FLOW_OK;
}
static gboolean
gst_decklink_sink_audiosink_acceptcaps (GstPad * pad, GstCaps * caps)
{
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "acceptcaps");


  gst_object_unref (decklinksink);
  return TRUE;
}
static GstPadLinkReturn
gst_decklink_sink_audiosink_link (GstPad * pad, GstPad * peer)
{
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "link");


  gst_object_unref (decklinksink);
  return GST_PAD_LINK_OK;
}
static gboolean
gst_decklink_sink_audiosink_activatepull (GstPad * pad, gboolean active)
{
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "activatepull");


  gst_object_unref (decklinksink);
  return TRUE;
}
示例#8
0
static gboolean
gst_decklink_sink_videosink_event (GstPad * pad, GstObject * parent,
    GstEvent * event)
{
  gboolean res;
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (parent);

  GST_DEBUG_OBJECT (pad, "event: %" GST_PTR_FORMAT, event);

  switch (GST_EVENT_TYPE (event)) {
    /* FIXME: this makes no sense, template caps don't contain v210 */
#if 0
    case GST_EVENT_CAPS:{
      GstCaps *caps;

      gst_event_parse_caps (event, &caps);
      ret = gst_video_format_parse_caps (caps, &format, &width, &height);
      if (ret) {
        if (format == GST_VIDEO_FORMAT_v210) {
          decklinksink->pixel_format = bmdFormat10BitYUV;
        } else {
          decklinksink->pixel_format = bmdFormat8BitYUV;
        }
      }
      break;
    }
#endif
    case GST_EVENT_EOS:
      /* FIXME: EOS aggregation with audio pad looks wrong */
      decklinksink->video_eos = TRUE;
      decklinksink->video_seqnum = gst_event_get_seqnum (event);
      {
        GstMessage *message;

        message = gst_message_new_eos (GST_OBJECT_CAST (decklinksink));
        gst_message_set_seqnum (message, decklinksink->video_seqnum);
        gst_element_post_message (GST_ELEMENT_CAST (decklinksink), message);
      }
      res = gst_pad_event_default (pad, parent, event);
      break;
    default:
      res = gst_pad_event_default (pad, parent, event);
      break;
  }

  return res;
}
static GstCaps *
gst_decklink_sink_audiosink_getcaps (GstPad * pad)
{
  GstDecklinkSink *decklinksink;
  GstCaps *caps;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "getcaps");

  caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));

  gst_object_unref (decklinksink);
  return caps;
}
static GstIterator *
gst_decklink_sink_videosink_iterintlink (GstPad * pad)
{
  GstDecklinkSink *decklinksink;
  GstIterator *iter;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "iterintlink");

  iter = gst_pad_iterate_internal_links_default (pad);

  gst_object_unref (decklinksink);
  return iter;
}
static GstCaps *
gst_decklink_sink_videosink_getcaps (GstPad * pad)
{
  GstDecklinkSink *decklinksink;
  GstCaps *caps;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "getcaps");

  caps = gst_decklink_mode_get_caps (decklinksink->mode);

  gst_object_unref (decklinksink);
  return caps;
}
static GstFlowReturn
gst_decklink_sink_videosink_bufferalloc (GstPad * pad, guint64 offset,
    guint size, GstCaps * caps, GstBuffer ** buf)
{
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "bufferalloc");


  *buf = gst_buffer_new_and_alloc (size);
  gst_buffer_set_caps (*buf, caps);

  gst_object_unref (decklinksink);
  return GST_FLOW_OK;
}
void
gst_decklink_sink_get_property (GObject * object, guint property_id,
    GValue * value, GParamSpec * pspec)
{
  GstDecklinkSink *decklinksink;

  g_return_if_fail (GST_IS_DECKLINK_SINK (object));
  decklinksink = GST_DECKLINK_SINK (object);

  switch (property_id) {
    case PROP_MODE:
      g_value_set_enum (value, decklinksink->mode);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
  }
}
static gboolean
gst_decklink_sink_audiosink_event (GstPad * pad, GstEvent * event)
{
  gboolean res;
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "event");

  switch (GST_EVENT_TYPE (event)) {
    default:
      res = gst_pad_event_default (pad, event);
      break;
  }

  gst_object_unref (decklinksink);
  return res;
}
static gboolean
gst_decklink_sink_videosink_query (GstPad * pad, GstQuery * query)
{
  gboolean res;
  GstDecklinkSink *decklinksink;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "query");

  switch (GST_QUERY_TYPE (query)) {
    default:
      res = gst_pad_query_default (pad, query);
      break;
  }

  gst_object_unref (decklinksink);
  return res;
}
static GstStateChangeReturn
gst_decklink_sink_change_state (GstElement * element, GstStateChange transition)
{
  GstDecklinkSink *decklinksink;
  GstStateChangeReturn ret;

  g_return_val_if_fail (GST_IS_DECKLINK_SINK (element),
      GST_STATE_CHANGE_FAILURE);
  decklinksink = GST_DECKLINK_SINK (element);

  switch (transition) {
    case GST_STATE_CHANGE_NULL_TO_READY:
      if (!gst_decklink_sink_start (decklinksink)) {
        ret = GST_STATE_CHANGE_FAILURE;
        goto out;
      }
      break;
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      break;
    case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
      break;
    default:
      break;
  }

  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);

  switch (transition) {
    case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
      gst_decklink_sink_force_stop (decklinksink);
      break;
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      break;
    case GST_STATE_CHANGE_READY_TO_NULL:
      gst_decklink_sink_stop (decklinksink);
      break;
    default:
      break;
  }

out:
  return ret;
}
static gboolean
gst_decklink_sink_audiosink_activate (GstPad * pad)
{
  GstDecklinkSink *decklinksink;
  gboolean ret;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "activate");

  if (gst_pad_check_pull_range (pad)) {
    GST_DEBUG_OBJECT (pad, "activating pull");
    ret = gst_pad_activate_pull (pad, TRUE);
  } else {
    GST_DEBUG_OBJECT (pad, "activating push");
    ret = gst_pad_activate_push (pad, TRUE);
  }

  gst_object_unref (decklinksink);
  return ret;
}
示例#18
0
void
gst_decklink_sink_set_property (GObject * object, guint property_id,
    const GValue * value, GParamSpec * pspec)
{
  GstDecklinkSink *decklinksink;

  g_return_if_fail (GST_IS_DECKLINK_SINK (object));
  decklinksink = GST_DECKLINK_SINK (object);

  switch (property_id) {
    case PROP_MODE:
      decklinksink->mode = (GstDecklinkModeEnum) g_value_get_enum (value);
      break;
    case PROP_DEVICE_NUMBER:
      decklinksink->device_number = g_value_get_int (value);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
  }
}
示例#19
0
static GstFlowReturn
gst_decklink_sink_audiosink_chain (GstPad * pad, GstObject * parent,
    GstBuffer * buffer)
{
  GstDecklinkSink *decklinksink;
  GstFlowReturn ret;

  decklinksink = GST_DECKLINK_SINK (parent);

  if (decklinksink->stop)
    return GST_FLOW_FLUSHING;

  g_mutex_lock (&decklinksink->audio_mutex);
  while (!decklinksink->stop &&
      gst_adapter_available (decklinksink->audio_adapter) > 1600 * 4 * 2) {
    g_cond_wait (&decklinksink->audio_cond, &decklinksink->audio_mutex);
  }
  gst_adapter_push (decklinksink->audio_adapter, buffer);
  g_mutex_unlock (&decklinksink->audio_mutex);

  ret = GST_FLOW_OK;
  return ret;
}
static GstFlowReturn
gst_decklink_sink_audiosink_chain (GstPad * pad, GstBuffer * buffer)
{
  GstDecklinkSink *decklinksink;
  GstFlowReturn ret;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "chain");

  // concatenate both buffers
  g_mutex_lock (decklinksink->audio_mutex);
  decklinksink->audio_buffer =
      gst_buffer_join (decklinksink->audio_buffer, buffer);
  g_mutex_unlock (decklinksink->audio_mutex);

  // GST_DEBUG("Audio Buffer Size: %d", GST_BUFFER_SIZE (decklinksink->audio_buffer));

  gst_object_unref (decklinksink);

  ret = GST_FLOW_OK;
  return ret;
}
static GstFlowReturn
gst_decklink_sink_videosink_chain (GstPad * pad, GstBuffer * buffer)
{
  GstDecklinkSink *decklinksink;
  IDeckLinkMutableVideoFrame *frame;
  void *data;
  GstFlowReturn ret;
  const GstDecklinkMode *mode;

  decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (decklinksink, "chain");

#if 0
  if (!decklinksink->video_enabled) {
    HRESULT ret;
    ret = decklinksink->output->EnableVideoOutput (decklinksink->display_mode,
        bmdVideoOutputFlagDefault);
    if (ret != S_OK) {
      GST_ERROR ("failed to enable video output");
      //return FALSE;
    }
    decklinksink->video_enabled = TRUE;
  }
#endif

  mode = gst_decklink_get_mode (decklinksink->mode);

  decklinksink->output->CreateVideoFrame (mode->width,
      mode->height, mode->width * 2, bmdFormat8BitYUV,
      bmdFrameFlagDefault, &frame);

  frame->GetBytes (&data);
  memcpy (data, GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
  gst_buffer_unref (buffer);

  g_mutex_lock (decklinksink->mutex);
  while (decklinksink->queued_frames > 2 && !decklinksink->stop) {
    g_cond_wait (decklinksink->cond, decklinksink->mutex);
  }
  if (!decklinksink->stop) {
    decklinksink->queued_frames++;
  }
  g_mutex_unlock (decklinksink->mutex);

  if (!decklinksink->stop) {
    decklinksink->output->ScheduleVideoFrame (frame,
        decklinksink->num_frames * mode->fps_d, mode->fps_d, mode->fps_n);
    decklinksink->num_frames++;

    if (!decklinksink->sched_started) {
      decklinksink->output->StartScheduledPlayback (0, mode->fps_d, 1.0);
      decklinksink->sched_started = TRUE;
    }

    ret = GST_FLOW_OK;
  } else {
    ret = GST_FLOW_WRONG_STATE;
  }

  frame->Release ();

  gst_object_unref (decklinksink);
  return ret;
}
示例#22
0
static GstFlowReturn
gst_decklink_sink_videosink_chain (GstPad * pad, GstObject * parent,
    GstBuffer * buffer)
{
  GstDecklinkSink *decklinksink;
  IDeckLinkMutableVideoFrame *frame;
  void *data;
  GstFlowReturn ret;
  const GstDecklinkMode *mode;

  decklinksink = GST_DECKLINK_SINK (parent);

#if 0
  if (!decklinksink->video_enabled) {
    HRESULT ret;
    ret = decklinksink->output->EnableVideoOutput (decklinksink->display_mode,
        bmdVideoOutputFlagDefault);
    if (ret != S_OK) {
      GST_WARNING ("failed to enable video output");
      //return FALSE;
    }
    decklinksink->video_enabled = TRUE;
  }
#endif

  mode = gst_decklink_get_mode (decklinksink->mode);

  decklinksink->output->CreateVideoFrame (mode->width,
      mode->height, mode->width * 2, decklinksink->pixel_format,
      bmdFrameFlagDefault, &frame);

  frame->GetBytes (&data);
  gst_buffer_extract (buffer, 0, data, gst_buffer_get_size (buffer));
  gst_buffer_unref (buffer);

  g_mutex_lock (&decklinksink->mutex);
  while (decklinksink->queued_frames > 2 && !decklinksink->stop) {
    g_cond_wait (&decklinksink->cond, &decklinksink->mutex);
  }
  if (!decklinksink->stop) {
    decklinksink->queued_frames++;
  }
  g_mutex_unlock (&decklinksink->mutex);

  if (!decklinksink->stop) {
    decklinksink->output->ScheduleVideoFrame (frame,
        decklinksink->num_frames * mode->fps_d, mode->fps_d, mode->fps_n);
    decklinksink->num_frames++;

    if (!decklinksink->sched_started) {
      decklinksink->output->StartScheduledPlayback (0, mode->fps_d, 1.0);
      decklinksink->sched_started = TRUE;
    }

    ret = GST_FLOW_OK;
  } else {
    ret = GST_FLOW_FLUSHING;
  }

  frame->Release ();

  return ret;
}