/*
  This file is part of Ingen.
  Copyright 2007-2012 David Robillard <http://drobilla.net/>

  Ingen is free software: you can redistribute it and/or modify it under the
  terms of the GNU Affero General Public License as published by the Free
  Software Foundation, either version 3 of the License, or any later version.

  Ingen 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 Affero General Public License for details.

  You should have received a copy of the GNU Affero General Public License
  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "ingen/Patch.hpp"

#include "Buffer.hpp"
#include "BufferFactory.hpp"
#include "Engine.hpp"
#include "NodeImpl.hpp"
#include "OutputPort.hpp"
#include "ProcessContext.hpp"
#include "ingen/shared/URIs.hpp"

using namespace std;

namespace Ingen {
namespace Server {

OutputPort::OutputPort(BufferFactory&      bufs,
                       NodeImpl*           parent,
                       const Raul::Symbol& symbol,
                       uint32_t            index,
                       uint32_t            poly,
                       PortType            type,
                       LV2_URID            buffer_type,
                       const Raul::Atom&   value,
                       size_t              buffer_size)
	: PortImpl(bufs, parent, symbol, index, poly, type, buffer_type, value, buffer_size)
{
	if (!dynamic_cast<Patch*>(parent))
		add_property(bufs.uris().rdf_type, bufs.uris().lv2_OutputPort);

	_broadcast = true;

	setup_buffers(bufs.engine().message_context(), bufs, poly);
}

bool
OutputPort::get_buffers(Context&                context,
                        BufferFactory&          bufs,
                        Raul::Array<BufferRef>* buffers,
                        uint32_t                poly) const
{
	for (uint32_t v = 0; v < poly; ++v)
		buffers->at(v) = bufs.get(context, buffer_type(), _buffer_size);

	return true;
}

void
OutputPort::pre_process(Context& context)
{
	for (uint32_t v = 0; v < _poly; ++v)
		_buffers->at(v)->prepare_write(context);
}

void
OutputPort::post_process(Context& context)
{
	for (uint32_t v = 0; v < _poly; ++v)
		_buffers->at(v)->prepare_read(context);

	if (_broadcast)
		broadcast_value(context, false);
}

} // namespace Server
} // namespace Ingen