static void
type_found (GstElement * typefind, guint probability,
    GstCaps * caps, GstSplitMuxPartReader * reader)
{
  GstElement *demux;

  GST_INFO_OBJECT (reader, "Got type %" GST_PTR_FORMAT, caps);

  /* typefind found a type. Look for the demuxer to handle it */
  demux = reader->demux = find_demuxer (caps);
  if (reader->demux == NULL) {
    GST_ERROR_OBJECT (reader, "Failed to create demuxer element");
    return;
  }

  /* Connect to demux signals */
  g_signal_connect (demux,
      "pad-added", G_CALLBACK (new_decoded_pad_added_cb), reader);
  g_signal_connect (demux, "no-more-pads", G_CALLBACK (no_more_pads), reader);

  gst_element_set_locked_state (demux, TRUE);
  gst_bin_add (GST_BIN_CAST (reader), demux);
  gst_element_link_pads (reader->typefind, "src", demux, NULL);
  gst_element_set_state (reader->demux, GST_STATE_TARGET (reader));
  gst_element_set_locked_state (demux, FALSE);
}
Ejemplo n.º 2
0
static void
fs_rtp_sub_stream_dispose (GObject *object)
{
  FsRtpSubStream *self = FS_RTP_SUB_STREAM (object);

  fs_rtp_sub_stream_stop (self);

  fs_rtp_sub_stream_stop_no_rtcp_timeout_thread (self);

  if (self->priv->output_ghostpad) {
    gst_element_remove_pad (GST_ELEMENT (self->priv->conference),
      self->priv->output_ghostpad);
    self->priv->output_ghostpad = NULL;
  }

  if (self->priv->output_valve) {
    gst_element_set_locked_state (self->priv->output_valve, TRUE);
    gst_element_set_state (self->priv->output_valve, GST_STATE_NULL);
    gst_bin_remove (GST_BIN (self->priv->conference), self->priv->output_valve);
    self->priv->output_valve = NULL;
  }

  if (self->priv->codecbin) {
    gst_element_set_locked_state (self->priv->codecbin, TRUE);
    gst_element_set_state (self->priv->codecbin, GST_STATE_NULL);
    gst_bin_remove (GST_BIN (self->priv->conference), self->priv->codecbin);
    self->priv->codecbin = NULL;
  }

  if (self->priv->capsfilter) {
    gst_element_set_locked_state (self->priv->capsfilter, TRUE);
    gst_element_set_state (self->priv->capsfilter, GST_STATE_NULL);
    gst_bin_remove (GST_BIN (self->priv->conference), self->priv->capsfilter);
    self->priv->capsfilter = NULL;
  }

  if (self->priv->input_valve) {
    gst_element_set_locked_state (self->priv->input_valve, TRUE);
    gst_element_set_state (self->priv->input_valve, GST_STATE_NULL);
    gst_bin_remove (GST_BIN (self->priv->conference), self->priv->input_valve);
    self->priv->input_valve = NULL;
  }

  if (self->priv->blocking_id)
  {
    gst_pad_remove_data_probe (self->priv->rtpbin_pad,
        self->priv->blocking_id);
    self->priv->blocking_id = 0;
  }

  if (self->priv->rtpbin_pad) {
    gst_object_unref (self->priv->rtpbin_pad);
    self->priv->rtpbin_pad = NULL;
  }

  self->priv->disposed = TRUE;
  G_OBJECT_CLASS (fs_rtp_sub_stream_parent_class)->dispose (object);
}
Ejemplo n.º 3
0
bool PlayerGst::prepare()
{
	GstElement *dec, *conv, *sink, *audio, *vol, *playbin;
	GstPad *audiopad;
	pipeline = gst_pipeline_new ("pipeline");
	bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));

	dec = gst_element_factory_make ("decodebin", "decoder");
	g_signal_connect (dec, "new-decoded-pad", G_CALLBACK (cb_newpad), NULL);
	gst_bin_add (GST_BIN (pipeline), dec);

	audio = gst_bin_new ("audiobin");
	conv = gst_element_factory_make ("audioconvert", "aconv");
	audiopad = gst_element_get_static_pad (conv, "sink");
	vol = gst_element_factory_make ("volume", "volume");
	sink = gst_element_factory_make ("autoaudiosink", "sink");
	gst_bin_add_many (GST_BIN (audio), conv, vol, sink, NULL);
	gst_element_link (conv, vol);
	gst_element_link (vol, sink);
	gst_element_add_pad (audio, gst_ghost_pad_new ("sink", audiopad));
	gst_object_unref (audiopad);
	gst_bin_add (GST_BIN (pipeline), audio);


	GstElement *l_src, *http_src;
	l_src = gst_element_factory_make ("filesrc", "localsrc");
	http_src = gst_element_factory_make("neonhttpsrc", "httpsrc");
	gst_bin_add_many (GST_BIN (pipeline), l_src, http_src, NULL);
	gst_element_set_state (l_src, GST_STATE_NULL);
	gst_element_set_locked_state (l_src, TRUE);
	gst_element_set_state (http_src, GST_STATE_NULL);
	gst_element_set_locked_state (http_src, TRUE);
	//gst_element_link (src, dec);

	if(canUsePlaybin) {
		playbin = gst_element_factory_make ("playbin2", "player");
		if(playbin) g_signal_connect(playbin, "about-to-finish", G_CALLBACK(gst_finish), NULL);
		else playbin = gst_element_factory_make ("playbin", "player");
		gst_bin_add (GST_BIN (pipeline), playbin);
		//g_object_set (G_OBJECT(playbin), "audio-sink", audio, NULL);
		gst_element_set_state (playbin, GST_STATE_NULL);
		gst_element_set_locked_state (playbin, TRUE);
 	//sync_set_state(player, GST_STATE_NULL);
// 	gst_element_set_state (GST_ELEMENT (player), GST_STATE_NULL);
	}

	return pipeline;
}
static gpointer
stop_source_thread (gpointer data)
{
  FsRtpSpecialSource *self = FS_RTP_SPECIAL_SOURCE (data);

  gst_element_set_locked_state (self->priv->src, TRUE);
  gst_element_set_state (self->priv->src, GST_STATE_NULL);

  FS_RTP_SPECIAL_SOURCE_LOCK (self);
  if (self->priv->muxer_request_pad)
  {
    gst_element_release_request_pad (self->priv->rtpmuxer,
        self->priv->muxer_request_pad);
    gst_object_unref (self->priv->muxer_request_pad);
  }
  self->priv->muxer_request_pad = NULL;

  gst_bin_remove (GST_BIN (self->priv->outer_bin), self->priv->src);
  self->priv->src = NULL;
  FS_RTP_SPECIAL_SOURCE_UNLOCK (self);

  g_object_unref (self);

  return NULL;
}
Ejemplo n.º 5
0
int
main (int argc, char *argv[])
{
  TestPipeline *pipeline = test_pipeline_new (argc, argv);
  if (!pipeline) {
    return 1;
  }

  g_object_set (pipeline->src, "mode", 2, NULL);

  GstElement *filesink = gst_element_factory_make ("filesink", NULL);
  gst_element_set_locked_state (filesink, TRUE);
  g_object_set (filesink, "location", "foo.yuv", NULL);

  gst_bin_add (GST_BIN (pipeline->pipeline), filesink);

  if (!gst_element_link_pads (pipeline->src, "vidsrc", filesink, "sink")) {
    g_printerr ("Failed to link filesink");
    return 1;
  }

  GstPad *pad = gst_element_get_static_pad (pipeline->src, "vidsrc");
  gst_pad_add_data_probe (pad, G_CALLBACK (vidsrc_data_probe), filesink);
  gst_object_unref (pad);

  g_timeout_add (5000, start_video_capture, pipeline);
  g_timeout_add (10000, stop_video_capture, pipeline);

  return test_pipeline_exec (pipeline, 11000);
}
Ejemplo n.º 6
0
static gboolean
remove_adder (GstElement * adder)
{
  KmsAudioMixer *self;

  self = (KmsAudioMixer *) gst_element_get_parent (adder);
  if (self == NULL) {
    GST_WARNING_OBJECT (adder, "No parent element");
    return FALSE;
  }

  GST_DEBUG ("Removing element %" GST_PTR_FORMAT, adder);

  kms_audio_mixer_remove_sometimes_src_pad (self, adder);

  gst_object_ref (adder);
  gst_element_set_locked_state (adder, TRUE);
  gst_element_set_state (adder, GST_STATE_NULL);
  gst_bin_remove (GST_BIN (self), adder);
  gst_object_unref (adder);

  gst_object_unref (self);

  return G_SOURCE_REMOVE;
}
Ejemplo n.º 7
0
static void
pad_removed (GstElement * element, GstPad * pad, KmsPlayerEndPoint * self)
{
  GST_DEBUG ("Pad removed");
  GstElement *appsink, *appsrc;

  if (GST_PAD_IS_SINK (pad))
    return;

  appsink = g_object_steal_data (G_OBJECT (pad), APPSINK_DATA);
  appsrc = g_object_steal_data (G_OBJECT (pad), APPSRC_DATA);

  if (appsrc != NULL) {
    GST_INFO ("Removing %" GST_PTR_FORMAT " from its parent", appsrc);
    if (GST_OBJECT_PARENT (appsrc) != NULL) {
      g_object_ref (appsrc);
      gst_bin_remove (GST_BIN (GST_OBJECT_PARENT (appsrc)), appsrc);
      gst_element_set_state (appsrc, GST_STATE_NULL);
      g_object_unref (appsrc);
    }
  }

  if (appsink == NULL) {
    GST_ERROR ("No appsink was found associated with %" GST_PTR_FORMAT, pad);
    return;
  }
  if (!gst_element_set_locked_state (appsink, TRUE))
    GST_ERROR ("Could not block element %s", GST_ELEMENT_NAME (appsink));

  GST_DEBUG ("Removing appsink %s from %s", GST_ELEMENT_NAME (appsink),
      GST_ELEMENT_NAME (self->priv->pipeline));

  gst_element_set_state (appsink, GST_STATE_NULL);
  gst_bin_remove (GST_BIN (self->priv->pipeline), appsink);
}
Ejemplo n.º 8
0
static void
gst_camerabin_image_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstCameraBinImage *bin = GST_CAMERABIN_IMAGE (object);

  switch (prop_id) {
    case PROP_FILENAME:
      g_string_assign (bin->filename, g_value_get_string (value));
      GST_INFO_OBJECT (bin, "received filename: '%s'", bin->filename->str);
      if (bin->sink) {
        if (!g_str_equal (bin->filename->str, "")) {
          g_object_set (G_OBJECT (bin->sink), "location", bin->filename->str,
              NULL);
          gst_element_set_locked_state (bin->sink, FALSE);
          gst_element_sync_state_with_parent (bin->sink);
        } else {
          GST_INFO_OBJECT (bin, "empty filename");
        }
      } else {
        GST_INFO_OBJECT (bin, "no sink, not setting name yet");
      }
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}
Ejemplo n.º 9
0
/* remove the source from the pipeline after removing it from adder */
static void
remove_source (SourceInfo * info)
{
  g_print ("remove freq %f\n", info->freq);

  /* lock the state so that we can put it to NULL without the parent messing
   * with our state */
  gst_element_set_locked_state (info->element, TRUE);

  /* first stop the source. Remember that this might block when in the PAUSED
   * state. Alternatively one could send EOS to the source, install an event
   * probe and schedule a state change/unlink/release from the mainthread.
   * Note that changing the state of a source makes it emit an EOS, which can
   * make adder go EOS. */
  gst_element_set_state (info->element, GST_STATE_NULL);

  /* unlink from adder */
  gst_pad_unlink (info->srcpad, info->sinkpad);
  gst_object_unref (info->srcpad);

  /* remove from the bin */
  gst_bin_remove (GST_BIN (pipeline), info->element);

  /* give back the pad */
  gst_element_release_request_pad (adder, info->sinkpad);
  gst_object_unref (info->sinkpad);

  g_free (info);
}
Ejemplo n.º 10
0
static void
fs_rtp_sub_stream_try_stop (FsRtpSubStream *substream)
{
  FS_RTP_SUB_STREAM_LOCK (substream);
  if (!substream->priv->stopped || substream->priv->modifying)
  {
    FS_RTP_SUB_STREAM_UNLOCK (substream);
    return;
  }
  FS_RTP_SUB_STREAM_UNLOCK (substream);

  if (substream->priv->rtpbin_unlinked_sig) {
    g_signal_handler_disconnect (substream->priv->rtpbin_pad,
        substream->priv->rtpbin_unlinked_sig);
    substream->priv->rtpbin_unlinked_sig = 0;
  }

  gst_pad_set_blocked_async (substream->priv->rtpbin_pad, FALSE,
      do_nothing_blocked_callback, NULL);

  if (substream->priv->output_ghostpad)
    gst_pad_set_active (substream->priv->output_ghostpad, FALSE);

  if (substream->priv->output_valve)
  {
    gst_element_set_locked_state (substream->priv->output_valve, TRUE);
    gst_element_set_state (substream->priv->output_valve, GST_STATE_NULL);
  }

  if (substream->priv->codecbin)
  {
    gst_element_set_locked_state (substream->priv->codecbin, TRUE);
    gst_element_set_state (substream->priv->codecbin, GST_STATE_NULL);
  }

  if (substream->priv->capsfilter)
  {
    gst_element_set_locked_state (substream->priv->capsfilter, TRUE);
    gst_element_set_state (substream->priv->capsfilter, GST_STATE_NULL);
  }

  if (substream->priv->input_valve)
  {
    gst_element_set_locked_state (substream->priv->input_valve, TRUE);
    gst_element_set_state (substream->priv->input_valve, GST_STATE_NULL);
  }
}
Ejemplo n.º 11
0
static void
fs_msn_stream_dispose (GObject *object)
{
  FsMsnStream *self = FS_MSN_STREAM (object);
  FsMsnConference *conference = fs_msn_stream_get_conference (self, NULL);

  if (!conference)
    return;

  g_mutex_lock (&self->priv->mutex);
  self->priv->conference = NULL;
  g_mutex_unlock (&self->priv->mutex);

  if (self->priv->src_pad)
  {
    gst_pad_set_active (self->priv->src_pad, FALSE);
    gst_element_remove_pad (GST_ELEMENT (conference), self->priv->src_pad);
    self->priv->src_pad = NULL;
  }

  if (self->priv->recv_valve)
  {
    gst_object_unref (self->priv->recv_valve);
    self->priv->recv_valve = NULL;
  }

  if (self->priv->codecbin)
  {
    gst_element_set_locked_state (self->priv->codecbin, TRUE);
    gst_element_set_state (self->priv->codecbin, GST_STATE_NULL);
    gst_bin_remove (GST_BIN (conference), self->priv->codecbin);
    self->priv->codecbin = NULL;
  }

  if (self->priv->participant)
  {
    g_object_unref (self->priv->participant);
    self->priv->participant = NULL;
  }

  if (self->priv->session)
  {
    g_object_unref (self->priv->session);
    self->priv->session = NULL;
  }

  if (self->priv->connection)
  {
    g_object_unref (self->priv->connection);
    self->priv->connection = NULL;
  }

  gst_object_unref (conference);
  gst_object_unref (conference);

  G_OBJECT_CLASS (fs_msn_stream_parent_class)->dispose (object);
}
Ejemplo n.º 12
0
void
fs_rtp_sub_stream_stop (FsRtpSubStream *substream)
{
  substream->priv->stopped = TRUE;
  g_static_rw_lock_writer_lock (&substream->priv->stopped_lock);
  substream->priv->stopped = TRUE;
  g_static_rw_lock_writer_unlock (&substream->priv->stopped_lock);

  if (substream->priv->rtpbin_unlinked_sig) {
    g_signal_handler_disconnect (substream->priv->rtpbin_pad,
        substream->priv->rtpbin_unlinked_sig);
    substream->priv->rtpbin_unlinked_sig = 0;
  }

  gst_pad_set_blocked_async (substream->priv->rtpbin_pad, FALSE,
      do_nothing_blocked_callback, NULL);

  if (substream->priv->output_ghostpad)
    gst_pad_set_active (substream->priv->output_ghostpad, FALSE);

  if (substream->priv->output_valve)
  {
    gst_element_set_locked_state (substream->priv->output_valve, TRUE);
    gst_element_set_state (substream->priv->output_valve, GST_STATE_NULL);
  }

  if (substream->priv->codecbin)
  {
    gst_element_set_locked_state (substream->priv->codecbin, TRUE);
    gst_element_set_state (substream->priv->codecbin, GST_STATE_NULL);
  }

  if (substream->priv->capsfilter)
  {
    gst_element_set_locked_state (substream->priv->capsfilter, TRUE);
    gst_element_set_state (substream->priv->capsfilter, GST_STATE_NULL);
  }

  if (substream->priv->input_valve)
  {
    gst_element_set_locked_state (substream->priv->input_valve, TRUE);
    gst_element_set_state (substream->priv->input_valve, GST_STATE_NULL);
  }
}
Ejemplo n.º 13
0
void
empathy_video_src_set_resolution (GstElement *src,
    guint width,
    guint height)
{
  EmpathyGstVideoSrcPrivate *priv = EMPATHY_GST_VIDEO_SRC_GET_PRIVATE (src);
  GstCaps *caps;
  GstPad *srcpad, *peer;

  g_return_if_fail (priv->capsfilter != NULL);

  gst_element_set_locked_state (priv->src, TRUE);
  gst_element_set_state (priv->src, GST_STATE_NULL);

  srcpad = gst_element_get_static_pad (priv->src, "src");
  peer = gst_pad_get_peer (srcpad);

  /* Keep a ref as removing it from the bin will loose our reference */
  gst_object_ref (priv->src);
  gst_bin_remove (GST_BIN (src), priv->src);

  g_object_get (priv->capsfilter, "caps", &caps, NULL);
  caps = gst_caps_make_writable (caps);

  gst_caps_set_simple (caps,
      "width", G_TYPE_INT, width,
      "height", G_TYPE_INT, height,
      NULL);

  g_object_set (priv->capsfilter, "caps", caps, NULL);
  gst_caps_unref (caps);

  gst_bin_add (GST_BIN (src), priv->src);
  /* We as the bin own the source again, so drop the temporary ref */
  gst_object_unref (priv->src);

  gst_pad_link (srcpad, peer);

  gst_element_set_locked_state (priv->src, FALSE);
  gst_element_sync_state_with_parent (priv->src);

  gst_object_unref (srcpad);
  gst_object_unref (peer);
}
Ejemplo n.º 14
0
static gboolean stop_data(GstElement *source)
    {

    if (gst_element_is_locked_state(source) == FALSE)
	{
	if (gst_element_set_locked_state(source, TRUE) == TRUE)
	    {
	    std::clog << "##### LOCK OK" << std::endl;
	    std::clog << "##### LOCK  NOW" << std::endl;
	    GstState rtspstate;
	    gst_element_get_state(source, &rtspstate, NULL, GST_CLOCK_TIME_NONE);
	    switch (rtspstate)
		{
	    case GST_STATE_PLAYING:
		gst_element_set_state(source, GST_STATE_PAUSED);

		gst_element_set_locked_state(source, FALSE);
		break;
	    case GST_STATE_PAUSED:
		gst_element_set_state(source, GST_STATE_READY);

		gst_element_set_locked_state(source, FALSE);
		break;
	    case GST_STATE_READY:
		gst_element_set_state(source, GST_STATE_NULL);

		gst_element_set_locked_state(source, FALSE);
		break;
	    case GST_STATE_NULL:
		gst_object_unref(GST_OBJECT(source));
		g_idle_remove_by_data(source);
		break;

		}

	    std::clog << "########## State: " << gst_element_state_get_name(
		    rtspstate) << std::endl;
	    //    gst_object_unref(GST_OBJECT(source));
	    }
	}

    }
Ejemplo n.º 15
0
static void
mex_telepathy_channel_update_video_parameters (MexTelepathyChannel *self,
                                               gboolean             restart)
{
  MexTelepathyChannelPrivate *priv = self->priv;
  GstCaps *caps;
  GstPad *src, *peer;

  src = gst_element_get_static_pad (priv->video_input, "src");
  peer = gst_pad_get_peer (src);

  if (restart)
    {
      /* Assuming the pipeline is in playing state */
      gst_element_set_locked_state (priv->video_input, TRUE);
      gst_element_set_state (priv->video_input, GST_STATE_NULL);
      gst_bin_remove (GST_BIN (priv->pipeline), priv->video_input);
    }

  g_object_get (priv->video_capsfilter, "caps", &caps, NULL);
  caps = gst_caps_make_writable (caps);

  gst_caps_set_simple (caps,
                       "framerate", GST_TYPE_FRACTION, priv->framerate, 1,
                       "width", G_TYPE_INT, priv->width,
                       "height", G_TYPE_INT, priv->height,
                       NULL);

  g_object_set (priv->video_capsfilter, "caps", caps, NULL);

  if (restart)
    {
      gst_bin_add (GST_BIN (priv->pipeline), priv->video_input);

      gst_pad_link (src, peer);
      gst_element_set_locked_state (priv->video_input, FALSE);
      gst_element_sync_state_with_parent (priv->video_input);
    }

  gst_object_unref (src);
  gst_object_unref (peer);
}
MediaElementImpl::~MediaElementImpl()
{
  std::shared_ptr<MediaPipelineImpl> pipe;

  pipe = std::dynamic_pointer_cast<MediaPipelineImpl> (getMediaPipeline() );

  gst_element_set_locked_state (element, TRUE);
  gst_element_set_state (element, GST_STATE_NULL);
  gst_bin_remove (GST_BIN ( pipe->getPipeline() ), element);
  g_object_unref (element);
}
Ejemplo n.º 17
0
static GstStateChangeReturn
ges_pipeline_change_state (GstElement * element, GstStateChange transition)
{
  GESPipeline *self;
  GstStateChangeReturn ret;

  self = GES_PIPELINE (element);

  switch (transition) {
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      if (G_UNLIKELY (self->priv->timeline == NULL)) {
        GST_ERROR_OBJECT (element,
            "No GESTimeline set on the pipeline, cannot play !");
        ret = GST_STATE_CHANGE_FAILURE;
        goto done;
      }
      if (self->priv->mode & (GES_PIPELINE_MODE_RENDER |
              GES_PIPELINE_MODE_SMART_RENDER))
        GST_DEBUG ("rendering => Updating pipeline caps");
      /* Set caps on all tracks according to profile if present */
      if (!ges_pipeline_update_caps (self)) {
        GST_ERROR_OBJECT (element, "Error setting the caps for rendering");
        ret = GST_STATE_CHANGE_FAILURE;
        goto done;
      }
      _link_tracks (self);
      break;
    case GST_STATE_CHANGE_PAUSED_TO_READY:
    {
      GList *tmp;

      for (tmp = self->priv->not_rendered_tracks; tmp; tmp = tmp->next)
        gst_element_set_locked_state (tmp->data, FALSE);
    }
      break;
    default:
      break;
  }

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

  switch (transition) {
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      _unlink_tracks (self);
      break;
    default:
      break;
  }

done:
  return ret;
}
Ejemplo n.º 18
0
static gboolean
vidsrc_data_probe (GstPad * pad, GstMiniObject * obj, gpointer user_data)
{
  GstElement *elem = (GstElement *) user_data;

  gst_element_set_locked_state (elem, FALSE);

  gst_element_set_state (elem, GST_STATE_PLAYING);

  return TRUE;                  /* keep data. */
}
static void
remove_from_parent (GstElement *element)
{
  GstBin *parent = GST_BIN (GST_OBJECT_PARENT (element) );

  if (parent == NULL) {
    return;
  }

  gst_element_set_locked_state (element, TRUE);
  gst_element_set_state (element, GST_STATE_NULL);
  gst_bin_remove (parent, element);
}
Ejemplo n.º 20
0
/* remove the source from the pipeline after removing it from adder */
static void
remove_source (SourceInfo * info)
{
  g_print ("remove freq %5.0f, pos %3.1f\n", info->freq, info->pos);

  /* lock the state so that we can put it to NULL without the parent messing
   * with our state */
  gst_element_set_locked_state (info->src, TRUE);
  gst_element_set_locked_state (info->fx, TRUE);

  /* first stop the source. Remember that this might block when in the PAUSED
   * state. Alternatively one could send EOS to the source, install an event
   * probe and schedule a state change/unlink/release from the mainthread. */
  gst_element_set_state (info->fx, GST_STATE_NULL);
  /* NOTE that the source emits EOS when shutting down but the EOS will not
   * reach the adder sinkpad because the effect is in the NULL state. We will
   * send an EOS to adder later. */
  gst_element_set_state (info->src, GST_STATE_NULL);

  /* unlink from adder */
  gst_pad_unlink (info->src_srcpad, info->fx_sinkpad);
  gst_pad_unlink (info->fx_srcpad, info->adder_sinkpad);
  gst_object_unref (info->src_srcpad);
  gst_object_unref (info->fx_srcpad);
  gst_object_unref (info->fx_sinkpad);

  /* remove from the bin */
  gst_bin_remove (GST_BIN (pipeline), info->src);
  gst_bin_remove (GST_BIN (pipeline), info->fx);

  /* send EOS to the sinkpad to make adder EOS when needed */
  gst_pad_send_event (info->adder_sinkpad, gst_event_new_eos ());

  /* give back the pad */
  gst_element_release_request_pad (adder, info->adder_sinkpad);
  gst_object_unref (info->adder_sinkpad);

  g_free (info);
}
Ejemplo n.º 21
0
static void
gst_egueb_demux_init (GstEguebDemux * thiz, GstEguebDemuxClass * g_class)
{
  GstPad *pad;
  GstPad *ghost_pad;

  /* Create the sink */
  thiz->sink = gst_element_factory_make ("eguebxmlsink", "sink");
  if (!thiz->sink) {
    GST_ERROR_OBJECT (thiz, "Unable to create 'eguebxmlsink' element");
    goto error_parser;
  }

  /* Create svg source */
  thiz->src = gst_element_factory_make ("eguebsrc", "src");
  if (!thiz->src) {
    GST_ERROR_OBJECT (thiz, "Unable to create 'eguebsrc' element");
    goto error_src;
  }
  /* until the element does not receive the xml, lock its state */
  gst_element_set_locked_state (thiz->src, TRUE);

  /* Add it to the bin */
  gst_bin_add_many (GST_BIN (thiz), thiz->src, thiz->sink, NULL);

  /* Create ghost pad and link it to the sink */
  pad = gst_element_get_static_pad (thiz->sink, "sink");
  ghost_pad = gst_ghost_pad_new ("sink", pad);
  gst_pad_set_active (ghost_pad, TRUE);
  gst_element_add_pad (GST_ELEMENT (thiz), ghost_pad);
  gst_object_unref (pad);
  
  /* Create ghost pad and link it to the src */
  pad = gst_element_get_static_pad (thiz->src, "src");
  ghost_pad = gst_ghost_pad_new ("video", pad);
  gst_pad_set_active (ghost_pad, TRUE);
  gst_element_add_pad (GST_ELEMENT (thiz), ghost_pad);
  gst_object_unref (pad);

  /* Initialize our internal members */
  /* Set default property values */

  return;

error_src:
  gst_object_unref (thiz->sink);
error_parser:
  return;
}
Ejemplo n.º 22
0
GST_END_TEST static gboolean
remove_audiotestsrc (GstElement * audiotestsrc)
{
    GstElement *pipeline = GST_ELEMENT (gst_element_get_parent (audiotestsrc));

    gst_object_ref (audiotestsrc);
    gst_element_set_locked_state (audiotestsrc, TRUE);
    gst_element_set_state (audiotestsrc, GST_STATE_NULL);
    if (!gst_bin_remove (GST_BIN (pipeline), audiotestsrc))
        GST_ERROR ("Can not remove %" GST_PTR_FORMAT, audiotestsrc);

    gst_object_unref (pipeline);
    gst_object_unref (audiotestsrc);

    return G_SOURCE_REMOVE;
}
Ejemplo n.º 23
0
static gboolean gst_a2dp_sink_remove_fakesink(GstA2dpSink *self)
{
	g_mutex_lock(self->cb_mutex);

	if (self->fakesink != NULL) {
		gst_element_set_locked_state(self->fakesink, TRUE);
		gst_element_set_state(self->fakesink, GST_STATE_NULL);

		gst_bin_remove(GST_BIN(self), self->fakesink);
		self->fakesink = NULL;
	}

	g_mutex_unlock(self->cb_mutex);

	return TRUE;
}
Ejemplo n.º 24
0
static void
post_decodebin_pad_removed_handler (GstElement * decodebin, GstPad * pad,
    KmsHttpEndpoint * self)
{
  GstElement *appsink, *appsrc;
  GstPad *sinkpad;

  if (GST_PAD_IS_SINK (pad))
    return;

  GST_DEBUG ("pad %" GST_PTR_FORMAT " removed", pad);

  appsink = g_object_steal_qdata (G_OBJECT (pad), appsink_data_quark ());

  if (appsink == NULL) {
    GST_ERROR ("No appsink was found associated with %" GST_PTR_FORMAT, pad);
    return;
  }

  sinkpad = gst_element_get_static_pad (appsink, "sink");
  appsrc = g_object_get_qdata (G_OBJECT (sinkpad), appsrc_data_quark ());
  g_object_unref (sinkpad);

  if (!gst_element_set_locked_state (appsink, TRUE))
    GST_ERROR ("Could not block element %s", GST_ELEMENT_NAME (appsink));

  GST_DEBUG ("Removing appsink %s from %s", GST_ELEMENT_NAME (appsink),
      GST_ELEMENT_NAME (self->pipeline));

  gst_element_set_state (appsink, GST_STATE_NULL);
  gst_bin_remove (GST_BIN (self->pipeline), appsink);

  if (appsrc == NULL) {
    GST_ERROR ("No appsink was found associated with %" GST_PTR_FORMAT, pad);
    return;
  }

  if (GST_OBJECT_PARENT (appsrc) != NULL) {
    g_object_ref (appsrc);
    gst_bin_remove (GST_BIN (GST_OBJECT_PARENT (appsrc)), appsrc);
    gst_element_set_state (appsrc, GST_STATE_NULL);
    g_object_unref (appsrc);
  }
}
Ejemplo n.º 25
0
static void
remove_on_unlinked_async (gpointer data, gpointer not_used)
{
  GstElement *elem = GST_ELEMENT_CAST (data);
  GstObject *parent = gst_object_get_parent (GST_OBJECT (elem));

  gst_element_set_locked_state (elem, TRUE);
  if (g_strcmp0 (GST_OBJECT_NAME (gst_element_get_factory (elem)),
          "queue") == 0) {
    g_object_set (G_OBJECT (elem), "flush-on-eos", TRUE, NULL);
    gst_element_send_event (elem, gst_event_new_eos ());
  }
  gst_element_set_state (elem, GST_STATE_NULL);
  if (parent != NULL) {
    gst_bin_remove (GST_BIN (parent), elem);
    g_object_unref (parent);
  }

  g_object_unref (data);
}
Ejemplo n.º 26
0
static void
request_pad_unlinked_cb(GstPad *pad, GstPad *peer, gpointer user_data)
{
	GstElement *parent = GST_ELEMENT_PARENT(pad);
	GstIterator *iter;
	GstPad *remaining_pad;
	GstIteratorResult result;

	gst_element_release_request_pad(GST_ELEMENT_PARENT(pad), pad);
	iter = gst_element_iterate_src_pads(parent);

	result = gst_iterator_next(iter, (gpointer)&remaining_pad);

	if (result == GST_ITERATOR_DONE) {
		gst_element_set_locked_state(parent, TRUE);
		gst_element_set_state(parent, GST_STATE_NULL);
		gst_bin_remove(GST_BIN(GST_ELEMENT_PARENT(parent)), parent);
	} else if (result == GST_ITERATOR_OK) {
		gst_object_unref(remaining_pad);
	}

	gst_iterator_free(iter);
}
Ejemplo n.º 27
0
/*
 * @mixer: (transfer floating):
 */
static gboolean
gst_gl_mixer_bin_set_mixer (GstGLMixerBin * self, GstElement * mixer)
{
  g_return_val_if_fail (GST_IS_ELEMENT (mixer), FALSE);

  if (self->mixer) {
    gst_element_set_locked_state (self->mixer, TRUE);
    gst_bin_remove (GST_BIN (self), self->mixer);
    gst_element_set_state (self->mixer, GST_STATE_NULL);
    gst_object_unref (self->mixer);
    self->mixer = NULL;
  }
  self->mixer = mixer;

  gst_object_ref_sink (mixer);

  if (mixer && !_connect_mixer_element (self)) {
    gst_object_unref (self->mixer);
    self->mixer = NULL;
    return FALSE;
  }

  return TRUE;
}
Ejemplo n.º 28
0
/*
 * @src: (transfer full):
 */
static gboolean
gst_gl_src_bin_set_src (GstGLSrcBin * self, GstElement * src)
{
  g_return_val_if_fail (GST_IS_ELEMENT (src), FALSE);

  if (self->src) {
    gst_element_set_locked_state (self->src, TRUE);
    gst_bin_remove (GST_BIN (self), self->src);
    gst_element_set_state (self->src, GST_STATE_NULL);
    gst_object_unref (self->src);
    self->src = NULL;
  }
  self->src = src;

  if (src && g_object_is_floating (src))
    gst_object_ref_sink (src);

  if (src && !_connect_src_element (self)) {
    self->src = NULL;
    return FALSE;
  }

  return TRUE;
}
Ejemplo n.º 29
0
static gboolean
gst_egueb_demux_handle_sink_message_sync (GstEguebDemux * thiz,
    GstMessage * message)
{
  const GstStructure *s;
  const GValue *value;
  const gchar *uri;
  GstBuffer *buffer;

  GST_DEBUG_OBJECT (thiz, "XML buffer received");
  s = gst_message_get_structure (message);
  value = gst_structure_get_value (s, "xml");
  buffer = gst_value_get_buffer (value);
  uri = gst_structure_get_string (s, "uri");

  /* now we have received the whole XML, is time to create our own
   * svg instance and start sending buffers!
   */
  g_object_set (G_OBJECT (thiz->src), "xml", buffer, "uri", uri, NULL);
  gst_element_set_locked_state (thiz->src, FALSE);
  gst_element_sync_state_with_parent (thiz->src);

  return TRUE;
}
static void
gst_insert_bin_do_change (GstInsertBin * self, GstPad * pad)
{
  struct ChangeData *data;

  GST_OBJECT_LOCK (self);

  if (!is_right_direction_for_block (pad)) {
    GST_WARNING_OBJECT (self, "Block pad does not have the expected direction");
    goto next;
  }

  while ((data = g_queue_pop_head (&self->priv->change_queue)) != NULL) {
    GstPad *peer = NULL;
    GstPad *other_peer = NULL;

    GST_OBJECT_UNLOCK (self);


    if (data->action == GST_INSERT_BIN_ACTION_ADD &&
        !validate_element (self, data->element))
      goto error;

    peer = gst_pad_get_peer (pad);

    if (peer == NULL) {
      GST_WARNING_OBJECT (self, "Blocked pad has no peer");
      goto error;
    }

    if (data->action == GST_INSERT_BIN_ACTION_ADD) {
      GstPad *srcpad = NULL, *sinkpad = NULL;
      GstPad *peersrcpad, *peersinkpad;

      /* First let's make sure we have the right pad */
      if (data->sibling) {
        GstElement *parent = NULL;
        GstPad *siblingpad;

        if ((gst_pad_get_direction (pad) == GST_PAD_SRC &&
                data->direction == DIRECTION_BEFORE) ||
            (gst_pad_get_direction (pad) == GST_PAD_SINK &&
                data->direction == DIRECTION_AFTER))
          siblingpad = peer;
        else
          siblingpad = pad;

        parent = gst_pad_get_parent_element (siblingpad);
        if (parent != NULL)
          gst_object_unref (parent);

        if (parent != data->sibling)
          goto retry;
      } else {
        GstObject *parent;
        GstPad *ghost;
        GstPad *proxypad;

        if (data->direction == DIRECTION_BEFORE) {
          ghost = self->priv->srcpad;
          if (gst_pad_get_direction (pad) == GST_PAD_SINK)
            proxypad = pad;
          else
            proxypad = peer;
        } else {
          ghost = self->priv->sinkpad;
          if (gst_pad_get_direction (pad) == GST_PAD_SINK)
            proxypad = peer;
          else
            proxypad = pad;
        }

        if (!GST_IS_PROXY_PAD (proxypad))
          goto retry;
        parent = gst_pad_get_parent (proxypad);
        if (!parent)
          goto retry;
        gst_object_unref (parent);
        if (GST_PAD_CAST (parent) != ghost)
          goto retry;
      }

      if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
        peersrcpad = pad;
        peersinkpad = peer;
      } else {
        peersrcpad = peer;
        peersinkpad = pad;
      }

      if (GST_IS_PROXY_PAD (peersrcpad)) {
        GstObject *parent = gst_pad_get_parent (peersrcpad);

        if (GST_PAD_CAST (parent) == self->priv->sinkpad)
          peersrcpad = NULL;

        if (parent)
          gst_object_unref (parent);
      }

      if (GST_IS_PROXY_PAD (peersinkpad)) {
        GstObject *parent = gst_pad_get_parent (peersinkpad);

        if (GST_PAD_CAST (parent) == self->priv->srcpad)
          peersinkpad = NULL;

        if (parent)
          gst_object_unref (parent);
      }

      if (peersinkpad && peersrcpad) {
        gst_pad_unlink (peersrcpad, peersinkpad);
      } else {
        if (!peersinkpad)
          gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->srcpad), NULL);
        if (!peersrcpad)
          gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->sinkpad), NULL);
      }

      srcpad = get_single_pad (data->element, GST_PAD_SRC);
      sinkpad = get_single_pad (data->element, GST_PAD_SINK);

      if (srcpad == NULL || sinkpad == NULL) {
        GST_WARNING_OBJECT (self, "Can not get element src or sink pad");
        goto error;
      }

      if (!gst_bin_add (GST_BIN (self), data->element)) {
        GST_WARNING_OBJECT (self, "Can not add element to bin");
        goto error;
      }

      if (peersrcpad) {
        if (GST_PAD_LINK_FAILED (gst_pad_link (peersrcpad, sinkpad))) {
          GST_WARNING_OBJECT (self, "Can not link sibling's %s:%s pad"
              " to element's %s:%s pad", GST_DEBUG_PAD_NAME (peersrcpad),
              GST_DEBUG_PAD_NAME (sinkpad));
          goto error;
        }
      } else {
        if (!gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->sinkpad),
                sinkpad)) {
          GST_WARNING_OBJECT (self, "Can not set %s:%s as target for %s:%s",
              GST_DEBUG_PAD_NAME (sinkpad),
              GST_DEBUG_PAD_NAME (self->priv->sinkpad));
          goto error;
        }
      }

      if (peersinkpad) {
        if (GST_PAD_LINK_FAILED (gst_pad_link (srcpad, peersinkpad))) {
          GST_WARNING_OBJECT (self, "Can not link element's %s:%s pad"
              " to sibling's %s:%s pad", GST_DEBUG_PAD_NAME (srcpad),
              GST_DEBUG_PAD_NAME (peersinkpad));
          goto error;
        }
      } else {
        if (!gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->srcpad),
                srcpad)) {
          GST_WARNING_OBJECT (self, "Can not set %s:%s as target for %s:%s",
              GST_DEBUG_PAD_NAME (srcpad),
              GST_DEBUG_PAD_NAME (self->priv->srcpad));
          goto error;
        }
      }

      gst_object_unref (srcpad);
      gst_object_unref (sinkpad);

      if (!gst_element_sync_state_with_parent (data->element)) {
        GST_WARNING_OBJECT (self, "Can not sync element's state with parent");
        goto error;
      }
    } else {
      GstElement *parent = NULL;
      GstPad *other_pad;
      GstCaps *caps = NULL, *peercaps = NULL;
      gboolean can_intersect;
      gboolean success;

      parent = gst_pad_get_parent_element (peer);
      if (parent != NULL)
        gst_object_unref (parent);

      if (parent != data->element)
        goto retry;

      if (gst_pad_get_direction (peer) == GST_PAD_SRC)
        other_pad = get_single_pad (data->element, GST_PAD_SINK);
      else
        other_pad = get_single_pad (data->element, GST_PAD_SRC);

      if (!other_pad) {
        GST_WARNING_OBJECT (self, "Can not get element's other pad");
        goto error;
      }

      other_peer = gst_pad_get_peer (other_pad);
      gst_object_unref (other_pad);

      if (!other_peer) {
        GST_WARNING_OBJECT (self, "Can not get element's other peer");
        goto error;
      }

      /* Get the negotiated caps for the source pad peer,
       * because renegotiation while the pipeline is playing doesn't work
       * that fast.
       */
      if (gst_pad_get_direction (pad) == GST_PAD_SRC)
        caps = gst_pad_get_current_caps (pad);
      else
        peercaps = gst_pad_get_current_caps (other_peer);
      if (!caps)
        caps = gst_pad_query_caps (pad, NULL);
      if (!peercaps)
        peercaps = gst_pad_query_caps (other_peer, NULL);
      can_intersect = gst_caps_can_intersect (caps, peercaps);
      gst_caps_unref (caps);
      gst_caps_unref (peercaps);

      if (!can_intersect) {
        GST_WARNING_OBJECT (self, "Pads are incompatible without the element");
        goto error;
      }

      if (gst_pad_get_direction (other_peer) == GST_PAD_SRC &&
          gst_pad_is_active (other_peer)) {
        gulong probe_id;

        probe_id = gst_pad_add_probe (other_peer,
            GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
            wait_and_drop_eos_cb, NULL, NULL);
        gst_pad_send_event (peer, gst_event_new_eos ());
        gst_pad_remove_probe (other_peer, probe_id);
      }

      gst_element_set_locked_state (data->element, TRUE);
      gst_element_set_state (data->element, GST_STATE_NULL);
      if (!gst_bin_remove (GST_BIN (self), data->element)) {
        GST_WARNING_OBJECT (self, "Element removal rejected");
        goto error;
      }
      gst_element_set_locked_state (data->element, FALSE);

      if (gst_pad_get_direction (pad) == GST_PAD_SRC)
        success = GST_PAD_LINK_SUCCESSFUL (gst_pad_link_full (pad, other_peer,
                GST_PAD_LINK_CHECK_HIERARCHY |
                GST_PAD_LINK_CHECK_TEMPLATE_CAPS));
      else
        success = GST_PAD_LINK_SUCCESSFUL (gst_pad_link_full (other_peer, pad,
                GST_PAD_LINK_CHECK_HIERARCHY |
                GST_PAD_LINK_CHECK_TEMPLATE_CAPS));
      gst_object_unref (other_peer);
      other_peer = NULL;

      if (!success) {
        GST_ERROR_OBJECT (self, "Could not re-link after the element's"
            " removal");
        goto error;
      }
    }


    gst_insert_bin_change_data_complete (self, data, TRUE);
    gst_object_unref (peer);

    GST_OBJECT_LOCK (self);
    continue;
  done:
    if (other_peer != NULL)
      gst_object_unref (other_peer);

    if (peer != NULL)
      gst_object_unref (peer);
    break;
  retry:
    GST_OBJECT_LOCK (self);
    g_queue_push_head (&self->priv->change_queue, data);
    goto done;
  error:
    /* Handle error */
    gst_insert_bin_change_data_complete (self, data, FALSE);
    GST_OBJECT_LOCK (self);
    goto done;
  }

next:
  gst_insert_bin_block_pad_unlock (self);
}