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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
