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Diffstat (limited to 'src/server/LV2ResizeFeature.hpp')
-rw-r--r-- | src/server/LV2ResizeFeature.hpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/server/LV2ResizeFeature.hpp b/src/server/LV2ResizeFeature.hpp new file mode 100644 index 00000000..095796a7 --- /dev/null +++ b/src/server/LV2ResizeFeature.hpp @@ -0,0 +1,73 @@ +/* This file is part of Ingen. + * Copyright 2009-2011 David Robillard <http://drobilla.net> + * + * Ingen is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) 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 General Public License for details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef INGEN_ENGINE_LV2RESIZEFEATURE_HPP +#define INGEN_ENGINE_LV2RESIZEFEATURE_HPP + +#include "raul/log.hpp" +#include "lv2/lv2plug.in/ns/ext/resize-port/resize-port.h" +#include "shared/LV2Features.hpp" +#include "NodeImpl.hpp" +#include "PortImpl.hpp" + +using namespace std; +using namespace Raul; + +namespace Ingen { +namespace Server { + +struct ResizeFeature : public Ingen::Shared::LV2Features::Feature { + static bool resize_port(LV2_Resize_Port_Feature_Data data, + uint32_t index, + size_t size) { + NodeImpl* node = (NodeImpl*)data; + PortImpl* port = node->port_impl(index); + switch (port->context()) { + case Context::MESSAGE: + port->buffer(0)->resize(size); + port->connect_buffers(); + return true; + default: + // TODO: Implement realtime allocator and support this in audio thread + return false; + } + } + + static void delete_feature(LV2_Feature* feature) { + free(feature->data); + free(feature); + } + + SharedPtr<LV2_Feature> feature(Shared::World* w, Node* n) { + NodeImpl* node = dynamic_cast<NodeImpl*>(n); + if (!node) + return SharedPtr<LV2_Feature>(); + LV2_Resize_Port_Feature* data + = (LV2_Resize_Port_Feature*)malloc(sizeof(LV2_Resize_Port_Feature)); + data->data = node; + data->resize_port = &resize_port; + LV2_Feature* f = (LV2_Feature*)malloc(sizeof(LV2_Feature)); + f->URI = LV2_RESIZE_PORT_URI; + f->data = data; + return SharedPtr<LV2_Feature>(f, &delete_feature); + } +}; + +} // namespace Server +} // namespace Ingen + +#endif // INGEN_ENGINE_LV2RESIZEFEATURE_HPP |