static void
_on_error_cb (GstPlayer *player, GError *error, GMainLoop *loop)
{
gst_debug_bin_to_dot_file_with_ts (GST_BIN (gst_player_get_pipeline (player)), GST_DEBUG_GRAPH_SHOW_ALL, "plopthat");
g_main_loop_quit (loop);
}
void
MediaPipelineImpl::busMessage (GstMessage *message)
{
switch (message->type) {
case GST_MESSAGE_ERROR: {
GError *err = NULL;
gchar *debug = NULL;
GST_ERROR ("Error on bus: %" GST_PTR_FORMAT, message);
gst_debug_bin_to_dot_file_with_ts (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "error");
gst_message_parse_error (message, &err, &debug);
std::string errorMessage (err->message);
if (debug != NULL) {
errorMessage += " -> " + std::string (debug);
}
try {
Error error (shared_from_this(), errorMessage , 0,
"UNEXPECTED_PIPELINE_ERROR");
signalError (error);
} catch (std::bad_weak_ptr &e) {
}
g_error_free (err);
g_free (debug);
break;
}
default:
break;
}
}
/***
* Dump a pipeline graph
*/
extern void
pl_graph(GstElement * pipeline)
{
#ifdef IS_SPEAKER
gst_debug_bin_to_dot_file_with_ts(GST_BIN(pipeline), GST_DEBUG_GRAPH_SHOW_ALL, "playback_helper.dot");
#endif
#ifdef IS_MIC
gst_debug_bin_to_dot_file_with_ts(GST_BIN(pipeline), GST_DEBUG_GRAPH_SHOW_ALL, "record_helper.dot");
#endif
// load_configuration();
}
static void
receive_message (GstBus *bus, GstMessage *message, gpointer pipeline)
{
switch (message->type) {
case GST_MESSAGE_ERROR:
GST_ERROR ("Error on bus: %P", message);
gst_debug_bin_to_dot_file_with_ts (GST_BIN (pipeline), GST_DEBUG_GRAPH_SHOW_ALL, "error");
// TODO: Check if further notification is needed
break;
default:
break;
}
}
bool
MediaSink::linkPad (std::shared_ptr<MediaSrc> mediaSrc, GstPad *src)
{
std::shared_ptr<MediaSrc> connectedSrcLocked;
GstPad *sink;
bool ret = false;
mutex.lock();
try {
connectedSrcLocked = connectedSrc.lock();
} catch (const std::bad_weak_ptr &e) {
}
if ( (sink = gst_element_get_static_pad (getElement(), getPadName().c_str() ) ) == NULL)
sink = gst_element_get_request_pad (getElement(), getPadName().c_str() );
if (gst_pad_is_linked (sink) ) {
unlink (connectedSrcLocked, sink);
}
if (mediaSrc->parent == parent) {
GstBin *container;
GstElement *filter, *parent;
GstPad *aux_sink, *aux_src;
GST_DEBUG ("Connecting loopback, adding a capsfilter to allow connection");
parent = GST_ELEMENT (GST_OBJECT_PARENT (sink) );
if (parent == NULL)
goto end;
container = GST_BIN (GST_OBJECT_PARENT (parent) );
if (container == NULL)
goto end;
filter = gst_element_factory_make ("capsfilter", NULL);
aux_sink = gst_element_get_static_pad (filter, "sink");
aux_src = gst_element_get_static_pad (filter, "src");
g_signal_connect (G_OBJECT (aux_sink), "unlinked", G_CALLBACK (sink_unlinked), filter );
g_signal_connect (G_OBJECT (aux_src), "unlinked", G_CALLBACK (src_unlinked), filter );
gst_bin_add (container, filter);
gst_element_sync_state_with_parent (filter);
if (gst_pad_link (aux_src, sink) == GST_PAD_LINK_OK) {
if (gst_pad_link (src, aux_sink) == GST_PAD_LINK_OK)
ret = true;
else
gst_pad_unlink (aux_src, sink);
}
g_object_unref (aux_sink);
g_object_unref (aux_src);
gst_debug_bin_to_dot_file_with_ts (GST_BIN (container), GST_DEBUG_GRAPH_SHOW_ALL, "loopback");
} else {
if (gst_pad_link (src, sink) == GST_PAD_LINK_OK)
ret = true;
}
if (ret == true) {
connectedSrc = std::weak_ptr<MediaSrc> (mediaSrc);
} else {
gst_element_release_request_pad (getElement(), sink);
}
end:
g_object_unref (sink);
mutex.unlock();
return ret;
}
bool
MediaSinkImpl::linkPad (std::shared_ptr<MediaSourceImpl> mediaSrc, GstPad *src)
{
RecMutex::Lock lock (mutex);
std::shared_ptr<MediaSourceImpl> connectedSrcLocked;
GstPad *sink;
bool ret = false;
try {
connectedSrcLocked = connectedSrc.lock();
} catch (const std::bad_weak_ptr &e) {
}
if ( (sink = gst_element_get_static_pad (getGstreamerElement(),
getPadName().c_str() ) ) == NULL) {
sink = gst_element_get_request_pad (getGstreamerElement(),
getPadName().c_str() );
}
if (gst_pad_is_linked (sink) ) {
unlink (connectedSrcLocked, sink);
}
if (std::dynamic_pointer_cast<MediaObjectImpl> (mediaSrc)->getParent() ==
getParent() ) {
GstBin *container;
GstElement *filter, *parent;
GstPad *aux_sink, *aux_src;
GST_DEBUG ("Connecting loopback, adding a capsfilter to allow connection");
parent = GST_ELEMENT (GST_OBJECT_PARENT (sink) );
if (parent == NULL) {
goto end;
}
container = GST_BIN (GST_OBJECT_PARENT (parent) );
if (container == NULL) {
goto end;
}
filter = gst_element_factory_make ("capsfilter", NULL);
aux_sink = gst_element_get_static_pad (filter, "sink");
aux_src = gst_element_get_static_pad (filter, "src");
g_signal_connect (G_OBJECT (aux_sink), "unlinked", G_CALLBACK (sink_unlinked),
filter );
g_signal_connect (G_OBJECT (aux_src), "unlinked", G_CALLBACK (src_unlinked),
filter );
gst_bin_add (container, filter);
gst_element_sync_state_with_parent (filter);
if (gst_pad_link_full (aux_src, sink,
GST_PAD_LINK_CHECK_NOTHING) == GST_PAD_LINK_OK) {
if (gst_pad_link_full (src, aux_sink,
GST_PAD_LINK_CHECK_NOTHING) == GST_PAD_LINK_OK) {
ret = true;
} else {
gst_pad_unlink (aux_src, sink);
}
}
g_object_unref (aux_sink);
g_object_unref (aux_src);
gst_debug_bin_to_dot_file_with_ts (GST_BIN (container),
GST_DEBUG_GRAPH_SHOW_ALL, "loopback");
} else {
if (gst_pad_link_full (src, sink,
GST_PAD_LINK_CHECK_NOTHING) == GST_PAD_LINK_OK) {
ret = true;
}
}
if (ret == true) {
connectedSrc = std::weak_ptr<MediaSourceImpl> (mediaSrc);
} else {
gst_element_release_request_pad (getGstreamerElement(), sink);
}
end:
g_object_unref (sink);
return ret;
}
