Ejemplo n.º 1
0
static GstPadProbeReturn
buffer_probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
    gboolean call;

    GST_DEBUG_OBJECT (pad, "Removing probe %lu", GST_PAD_PROBE_INFO_ID (info));

    G_LOCK (hash_mutex);
    if (!g_hash_table_contains (padhash, pad)) {
        GST_DEBUG ("Inserting %" GST_PTR_FORMAT, pad);
        g_hash_table_insert (padhash, GST_OBJECT_NAME (pad), NULL);
        G_UNLOCK (hash_mutex);
        call = g_atomic_int_dec_and_test (&counter);
    } else {
        G_UNLOCK (hash_mutex);
        call = FALSE;
    }

    gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));

    if (call) {
        g_idle_add (recv_callback, cb_data);
    }

    return GST_PAD_PROBE_OK;
}
Ejemplo n.º 2
0
static GstPadProbeReturn tee_idle_probe_cb(GstPad *teepad, GstPadProbeInfo *info, gpointer user_data)
{
    OwrMediaSource * media_source = user_data;
    GstElement *sink_bin;
    GstPad *sinkpad;
    GstObject *parent;
    GstElement *tee;

    gst_pad_remove_probe(teepad, GST_PAD_PROBE_INFO_ID(info));

    sinkpad = gst_pad_get_peer(teepad);
    g_assert(sinkpad);
    sink_bin = GST_ELEMENT(gst_object_get_parent(GST_OBJECT(sinkpad)));

    g_warn_if_fail(gst_pad_unlink(teepad, sinkpad));
    parent = gst_pad_get_parent(teepad);
    tee = GST_ELEMENT(parent);
    gst_element_release_request_pad(tee, teepad);
    gst_object_unref(parent);
    gst_object_unref(sinkpad);

    parent = gst_object_get_parent(GST_OBJECT(sink_bin));
    g_assert(parent);

    gst_bin_remove(GST_BIN(parent), sink_bin);
    gst_element_set_state(sink_bin, GST_STATE_NULL);
    gst_object_unref(sink_bin);
    gst_object_unref(parent);

    GST_DEBUG_OBJECT(media_source, "Source successfully unlinked");

    return GST_PAD_PROBE_OK;
}
Ejemplo n.º 3
0
static GstPadProbeReturn
pad_probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
  GstElement *dummysrc;
  gboolean success;
  gchar *padname;

  GST_DEBUG_OBJECT (pad, "pad is blocked now");

  /* remove the probe first */
  gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));

  dummysrc = gst_pad_get_parent_element (pad);
  fail_if (dummysrc == NULL);

  padname = gst_pad_get_name (pad);
  GST_DEBUG_OBJECT (dummysrc, "Invoking action release-requested-pad for %s",
      padname);

  g_signal_emit_by_name (dummysrc, "release-requested-pad", padname, &success);
  fail_if (!success);

  g_object_unref (dummysrc);
  g_free (padname);

  return GST_PAD_PROBE_OK;
}
Ejemplo n.º 4
0
GstPadProbeReturn MediaPlayer::cb_event_probe_toggle_splitter(GstPad *pad, GstPadProbeInfo *info, gpointer user_data)
{
    MediaPlayer * self = reinterpret_cast<MediaPlayer*>( user_data );

    // remove the probe first
    gst_pad_remove_probe( pad, GST_PAD_PROBE_INFO_ID (info) );

    // Is the element already in the bin?
    if ( self->m_gst_audio_karaokesplitter == 0 )
    {
        Logger::debug( "GstMediaPlayer:  karaokesplitter is not enabled, enabling");
        self->m_gst_audio_karaokesplitter = self->createElement ("audiokaraoke", "karaoke", false );

        // This might happen if the player requested it despite us returning no such capability
        if ( !self->m_gst_audio_karaokesplitter )
            return GST_PAD_PROBE_OK;

        // Add splitter into the bin
        gst_bin_add( GST_BIN (self->m_gst_pipeline), self->m_gst_audio_karaokesplitter );

        // Unlink the place for the splitter
        gst_element_unlink( self->m_gst_audioconverter, self->m_gst_audio_volume );

        // Link it in
        gst_element_link_many( self->m_gst_audioconverter, self->m_gst_audio_karaokesplitter, self->m_gst_audio_volume, NULL );

        // And start playing it
        gst_element_set_state( self->m_gst_audio_karaokesplitter, GST_STATE_PLAYING );

        Logger::debug( "GstMediaPlayer: karaoke splitter enabled");
    }
    else
    {
        Logger::debug( "GstMediaPlayer: karaokesplitter is enabled, disabling");

        // Stop the splitter
        gst_element_set_state( self->m_gst_audio_karaokesplitter, GST_STATE_NULL );

        // Remove splitter from the bin (it unlinks it too)
        gst_bin_remove( GST_BIN (self->m_gst_pipeline), self->m_gst_audio_karaokesplitter );
        self->m_gst_audio_karaokesplitter = 0;

        // And link the disconnected elements again
        gst_element_link_many( self->m_gst_audioconverter, self->m_gst_audio_volume, NULL );

        Logger::debug( "GstMediaPlayer: karaoke splitter disabled");
    }

    return GST_PAD_PROBE_OK;
}
Ejemplo n.º 5
0
static GstPadProbeReturn
data_probe_cb (GstPad * pad, GstPadProbeInfo * info, KmsConnectData * data)
{
  GstBuffer *buffer;
  GstMapInfo minfo;
  gchar *msg;

  buffer = GST_PAD_PROBE_INFO_BUFFER (info);

  if (!gst_buffer_map (buffer, &minfo, GST_MAP_READ)) {
    GST_ERROR_OBJECT (pad, "Failed to map input buffer");
    return GST_FLOW_ERROR;
  }

  msg = g_strndup ((const gchar *) minfo.data, minfo.size);
  GST_INFO ("Buffer content: (%s)", msg);
  g_free (msg);

  gst_buffer_unmap (buffer, &minfo);

  gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));

  CONNECT_DATA_LOCK (data);
  if (!data->data_buff) {
    gboolean actived;

    data->data_buff = TRUE;
    CONNECT_DATA_UNLOCK (data);

    GST_DEBUG_OBJECT (data->sink, "Disabling reception of data stream");
    g_object_get (G_OBJECT (data->sink), "data", &actived, NULL);
    if (actived) {
      /* Do not accept more data */
      g_object_set (G_OBJECT (data->sink), "data", FALSE, NULL);
    } else {
      gchar *padname;
      gboolean success;

      padname = gst_pad_get_name (pad);

      g_signal_emit_by_name (data->sink, "release-requested-pad", padname,
          &success);
      fail_if (!success);
    }
  } else {
    CONNECT_DATA_UNLOCK (data);
  }

  return GST_PAD_PROBE_OK;
}
static GstPadProbeReturn
event_probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
  GMainLoop *loop = user_data;
  GstElement *next;

  if (GST_EVENT_TYPE (GST_PAD_PROBE_INFO_DATA (info)) != GST_EVENT_EOS)
    return GST_PAD_PROBE_OK;

  gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));

  /* push current event back into the queue */
  g_queue_push_tail (&effects, gst_object_ref (cur_effect));
  /* take next effect from the queue */
  next = g_queue_pop_head (&effects);
  if (next == NULL) {
    GST_DEBUG_OBJECT (pad, "no more effects");
    g_main_loop_quit (loop);
    return GST_PAD_PROBE_DROP;
  }

  g_print ("Switching from '%s' to '%s'..\n", GST_OBJECT_NAME (cur_effect),
      GST_OBJECT_NAME (next));

  gst_element_set_state (cur_effect, GST_STATE_NULL);

  /* remove unlinks automatically */
  GST_DEBUG_OBJECT (pipeline, "removing %" GST_PTR_FORMAT, cur_effect);
  gst_bin_remove (GST_BIN (pipeline), cur_effect);

  GST_DEBUG_OBJECT (pipeline, "adding   %" GST_PTR_FORMAT, next);
  gst_bin_add (GST_BIN (pipeline), next);

  GST_DEBUG_OBJECT (pipeline, "linking..");
  gst_element_link_many (conv_before, next, conv_after, NULL);

  gst_element_set_state (next, GST_STATE_PLAYING);

  cur_effect = next;
  GST_DEBUG_OBJECT (pipeline, "done");

  return GST_PAD_PROBE_DROP;
}
Ejemplo n.º 7
0
static GstPadProbeReturn
video_probe_cb (GstPad * pad, GstPadProbeInfo * info, KmsConnectData * data)
{
  GST_DEBUG_OBJECT (pad, "buffer received");

  gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));

  CONNECT_DATA_LOCK (data);
  if (!data->video_buff) {
    data->video_buff = TRUE;
    CONNECT_DATA_UNLOCK (data);

    GST_DEBUG_OBJECT (data->sink, "Disabling reception of video stream");
    /* Do not accept more video data */
    g_object_set (G_OBJECT (data->sink), "video", FALSE, NULL);
  } else {
    CONNECT_DATA_UNLOCK (data);
  }

  return GST_PAD_PROBE_OK;
}
Ejemplo n.º 8
0
GstPadProbeReturn
stop_pad_cb (GstPad *pad, GstPadProbeInfo *info, gpointer data)
{
  MbMedia *media = NULL;
  GstPad *peer;

  GST_DEBUG_OBJECT(pad, "pad is blocked now");
  /* first remove the probe */
  gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID(info));

  media = (MbMedia *) data;
  g_assert (media);

  peer = gst_pad_get_peer (pad);
  g_assert(peer);

  gst_pad_send_event (peer, gst_event_new_eos ());
  gst_object_unref(peer);

  return GST_PAD_PROBE_OK;
}
static GstPadProbeReturn
pad_probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
  GstPad *srcpad, *sinkpad;

  GST_DEBUG_OBJECT (pad, "pad is blocked now");

  /* remove the probe first */
  gst_pad_remove_probe (pad, GST_PAD_PROBE_INFO_ID (info));

  /* install new probe for EOS */
  srcpad = gst_element_get_static_pad (cur_effect, "src");
  gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_BLOCK |
      GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM, event_probe_cb, user_data, NULL);
  gst_object_unref (srcpad);

  /* push EOS into the element, the probe will be fired when the
   * EOS leaves the effect and it has thus drained all of its data */
  sinkpad = gst_element_get_static_pad (cur_effect, "sink");
  gst_pad_send_event (sinkpad, gst_event_new_eos ());
  gst_object_unref (sinkpad);

  return GST_PAD_PROBE_OK;
}