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/*
Copyright (C) 2009-2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "bin.h"
#include "pad.h"
#include "../QGlib/error.h"
#include <gst/gst.h>
namespace QGst {
//static
BinPtr Bin::create(const char *name)
{
GstElement *bin = gst_bin_new(name);
if (bin) {
gst_object_ref_sink(bin);
}
return BinPtr::wrap(GST_BIN(bin), false);
}
//static
BinPtr Bin::fromDescription(const char *description, BinFromDescriptionOption ghostUnlinkedPads)
{
GError *error = NULL;
GstElement *e = gst_parse_bin_from_description_full(description, ghostUnlinkedPads,
NULL, GST_PARSE_FLAG_FATAL_ERRORS, &error);
if (error) {
throw QGlib::Error(error);
}
if (e) {
gst_object_ref_sink(e);
}
return BinPtr::wrap(GST_BIN(e), false);
}
bool Bin::add(const ElementPtr & element)
{
return gst_bin_add(object<GstBin>(), element);
}
bool Bin::remove(const ElementPtr & element)
{
return gst_bin_remove(object<GstBin>(), element);
}
ElementPtr Bin::getElementByName(const char *name, RecursionType r) const
{
GstElement *e = NULL;
switch(r) {
case RecurseDown:
e = gst_bin_get_by_name(object<GstBin>(), name);
break;
case RecurseUp:
e = gst_bin_get_by_name_recurse_up(object<GstBin>(), name);
break;
default:
Q_ASSERT_X(false, "QGst::Bin::getElementByName", "Invalid RecursionType");
}
return ElementPtr::wrap(e, false);
}
ElementPtr Bin::getElementByInterface(QGlib::Type interfaceType) const
{
return ElementPtr::wrap(gst_bin_get_by_interface(object<GstBin>(), interfaceType), false);
}
PadPtr Bin::findUnlinkedPad(PadDirection direction) const
{
return PadPtr::wrap(gst_bin_find_unlinked_pad(object<GstBin>(),
static_cast<GstPadDirection>(direction)), false);
}
bool Bin::recalculateLatency()
{
return gst_bin_recalculate_latency(object<GstBin>());
}
}
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