Exemplos de gst_play_sink_convert_bin_set_targets em C++ (Cpp)

Exemplo n.º 1

Arquivo: gstplaysinkconvertbin.c Projeto: elisescu/gst-plugins-base

static GstStateChangeReturn
gst_play_sink_convert_bin_change_state (GstElement * element,
    GstStateChange transition)
{
  GstStateChangeReturn ret;
  GstPlaySinkConvertBin *self = GST_PLAY_SINK_CONVERT_BIN_CAST (element);

  switch (transition) {
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
      unblock_proxypad (self);
      GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
      break;
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
      gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
      gst_play_sink_convert_bin_set_targets (self, TRUE);
      self->raw = FALSE;
      GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
      break;
    default:
      break;
  }

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

  switch (transition) {
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
      gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
      gst_play_sink_convert_bin_set_targets (self, TRUE);
      self->raw = FALSE;
      GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
      break;
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
      unblock_proxypad (self);
      GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);
      break;
    default:
      break;
  }

  return ret;
}

Exemplo n.º 2

Arquivo: gstplaysinkconvertbin.c Projeto: ksophocleous/gst-plugins-base

static GstPadProbeReturn
pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
  GstPlaySinkConvertBin *self = user_data;
  GstPad *peer;
  GstCaps *caps;
  gboolean raw;

  if (GST_IS_EVENT (info->data) && !GST_EVENT_IS_SERIALIZED (info->data)) {
    GST_DEBUG_OBJECT (self, "Letting non-serialized event %s pass",
        GST_EVENT_TYPE_NAME (info->data));
    return GST_PAD_PROBE_PASS;
  }

  GST_PLAY_SINK_CONVERT_BIN_LOCK (self);
  GST_DEBUG_OBJECT (self, "Pad blocked");

  /* There must be a peer at this point */
  peer = gst_pad_get_peer (self->sinkpad);
  caps = gst_pad_get_current_caps (peer);
  if (!caps)
    caps = gst_pad_query_caps (peer, NULL);
  gst_object_unref (peer);

  raw = is_raw_caps (caps, self->audio);
  GST_DEBUG_OBJECT (self, "Caps %" GST_PTR_FORMAT " are raw: %d", caps, raw);
  gst_caps_unref (caps);

  if (raw == self->raw)
    goto unblock;
  self->raw = raw;

  gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->sinkpad), NULL);
  gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (self->srcpad), NULL);

  if (raw) {
    GST_DEBUG_OBJECT (self, "Switching to raw conversion pipeline");

    if (self->conversion_elements)
      g_list_foreach (self->conversion_elements,
          (GFunc) gst_play_sink_convert_bin_on_element_added, self);
  } else {

    GST_DEBUG_OBJECT (self, "Switch to passthrough pipeline");

    gst_play_sink_convert_bin_on_element_added (self->identity, self);
  }

  gst_play_sink_convert_bin_set_targets (self, !raw);

unblock:
  self->sink_proxypad_block_id = 0;
  GST_PLAY_SINK_CONVERT_BIN_UNLOCK (self);

  return GST_PAD_PROBE_REMOVE;
}