diff options
Diffstat (limited to 'libs/ardour/ardour/lv2_state.h')
| -rw-r--r-- | libs/ardour/ardour/lv2_state.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/libs/ardour/ardour/lv2_state.h b/libs/ardour/ardour/lv2_state.h deleted file mode 100644 index 6c37ebcd0b..0000000000 --- a/libs/ardour/ardour/lv2_state.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - Copyright (C) 2011 Paul Davis - Author: David Robillard - - This program 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. - - 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 General Public License for more 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., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#ifndef __ardour_lv2_state_h__ -#define __ardour_lv2_state_h__ - -#include <stdint.h> -#include <stdlib.h> - -#include <map> -#include <string> - -#include "pbd/error.h" - -#include "ardour/uri_map.h" -#include "lv2/lv2plug.in/ns/ext/state/state.h" -#include "rdff.h" - -namespace ARDOUR { - -class LV2Plugin; - -struct LV2State { - LV2State(const LV2Plugin& plug, URIMap& map) : plugin(plug), uri_map(map) {} - - struct Value { - inline Value(uint32_t k, const void* v, size_t s, uint32_t t, uint32_t f) - : key(k), value(v), size(s), type(t), flags(f) - {} - - const uint32_t key; - const void* value; - const size_t size; - const uint32_t type; - const uint32_t flags; - }; - - typedef std::map<uint32_t, std::string> URIs; - typedef std::map<uint32_t, Value> Values; - - uint32_t file_id_to_runtime_id(uint32_t file_id) const { - URIs::const_iterator i = uris.find(file_id); - if (i == uris.end()) { - PBD::error << "LV2 state refers to undefined URI ID" << endmsg; - return 0; - } - return uri_map.uri_to_id(NULL, i->second.c_str()); - } - - int add_uri(uint32_t file_id, const char* str) { - // TODO: check for clashes (invalid file) - uris.insert(std::make_pair(file_id, str)); - return 0; - } - - int add_value(uint32_t file_key, - const void* value, - size_t size, - uint32_t file_type, - uint32_t flags) { - const uint32_t key = file_id_to_runtime_id(file_key); - const uint32_t type = file_id_to_runtime_id(file_type); - if (!key || !type) { - PBD::error << "Invalid file key or type" << endmsg; - return 1; - } - - Values::const_iterator i = values.find(key); - if (i != values.end()) { - PBD::error << "LV2 state contains duplicate keys" << endmsg; - return 1; - } else { - void* value_copy = malloc(size); - memcpy(value_copy, value, size); // FIXME: leak - values.insert( - std::make_pair(key, - Value(key, value_copy, size, type, flags))); - return 0; - } - } - - void read(RDFF file) { - RDFFChunk* chunk = (RDFFChunk*)malloc(sizeof(RDFFChunk)); - chunk->size = 0; - while (!rdff_read_chunk(file, &chunk)) { - if (rdff_chunk_is_uri(chunk)) { - RDFFURIChunk* body = (RDFFURIChunk*)chunk->data; - add_uri(body->id, body->uri); - } else if (rdff_chunk_is_triple(chunk)) { - RDFFTripleChunk* body = (RDFFTripleChunk*)chunk->data; - add_value(body->predicate, - body->object, - body->object_size, - body->object_type, - LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE); - } - } - free(chunk); - } - - void write(RDFF file) { - // Write all referenced URIs to state file - for (URIs::const_iterator i = uris.begin(); i != uris.end(); ++i) { - rdff_write_uri(file, - i->first, - i->second.length(), - i->second.c_str()); - } - - // Write all values to state file - for (Values::const_iterator i = values.begin(); i != values.end(); ++i) { - const uint32_t key = i->first; - const LV2State::Value& val = i->second; - rdff_write_triple(file, - 0, - key, - val.type, - val.size, - val.value); - } - } - - const LV2Plugin& plugin; - URIMap& uri_map; - URIs uris; - Values values; -}; - -} // namespace ARDOUR - -#endif /* __ardour_lv2_state_h__ */ |