/* Copyright 2007-2016 David Robillard Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "jalv_internal.h" #include "lilv/lilv.h" #include "lv2/atom/forge.h" #include "lv2/core/lv2.h" #include "lv2/state/state.h" #include "lv2/urid/urid.h" #include "zix/common.h" #include "zix/ring.h" #include "zix/sem.h" #include #include #include #include char* jalv_make_path(LV2_State_Make_Path_Handle handle, const char* path) { Jalv* jalv = (Jalv*)handle; // Create in save directory if saving, otherwise use temp directory return jalv_strjoin(jalv->save_dir ? jalv->save_dir : jalv->temp_dir, path); } static const void* get_port_value(const char* port_symbol, void* user_data, uint32_t* size, uint32_t* type) { Jalv* jalv = (Jalv*)user_data; struct Port* port = jalv_port_by_symbol(jalv, port_symbol); if (port && port->flow == FLOW_INPUT && port->type == TYPE_CONTROL) { *size = sizeof(float); *type = jalv->forge.Float; return &port->control; } *size = *type = 0; return NULL; } void jalv_save(Jalv* jalv, const char* dir) { jalv->save_dir = jalv_strjoin(dir, "/"); LilvState* const state = lilv_state_new_from_instance(jalv->plugin, jalv->instance, &jalv->map, jalv->temp_dir, dir, dir, dir, get_port_value, jalv, LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE, NULL); lilv_state_save( jalv->world, &jalv->map, &jalv->unmap, state, NULL, dir, "state.ttl"); lilv_state_free(state); free(jalv->save_dir); jalv->save_dir = NULL; } int jalv_load_presets(Jalv* jalv, PresetSink sink, void* data) { LilvNodes* presets = lilv_plugin_get_related(jalv->plugin, jalv->nodes.pset_Preset); LILV_FOREACH (nodes, i, presets) { const LilvNode* preset = lilv_nodes_get(presets, i); lilv_world_load_resource(jalv->world, preset); if (!sink) { continue; } LilvNodes* labels = lilv_world_find_nodes(jalv->world, preset, jalv->nodes.rdfs_label, NULL); if (labels) { const LilvNode* label = lilv_nodes_get_first(labels); sink(jalv, preset, label, data); lilv_nodes_free(labels); } else { fprintf(stderr, "Preset <%s> has no rdfs:label\n", lilv_node_as_string(lilv_nodes_get(presets, i))); } } lilv_nodes_free(presets); return 0; } int jalv_unload_presets(Jalv* jalv) { LilvNodes* presets = lilv_plugin_get_related(jalv->plugin, jalv->nodes.pset_Preset); LILV_FOREACH (nodes, i, presets) { const LilvNode* preset = lilv_nodes_get(presets, i); lilv_world_unload_resource(jalv->world, preset); } lilv_nodes_free(presets); return 0; } static void set_port_value(const char* port_symbol, void* user_data, const void* value, uint32_t ZIX_UNUSED(size), uint32_t type) { Jalv* jalv = (Jalv*)user_data; struct Port* port = jalv_port_by_symbol(jalv, port_symbol); if (!port) { fprintf(stderr, "error: Preset port `%s' is missing\n", port_symbol); return; } float fvalue = 0.0f; if (type == jalv->forge.Float) { fvalue = *(const float*)value; } else if (type == jalv->forge.Double) { fvalue = *(const double*)value; } else if (type == jalv->forge.Int) { fvalue = *(const int32_t*)value; } else if (type == jalv->forge.Long) { fvalue = *(const int64_t*)value; } else { fprintf(stderr, "error: Preset `%s' value has bad type <%s>\n", port_symbol, jalv->unmap.unmap(jalv->unmap.handle, type)); return; } if (jalv->play_state != JALV_RUNNING) { // Set value on port struct directly port->control = fvalue; } else { // Send value to running plugin jalv_ui_write(jalv, port->index, sizeof(fvalue), 0, &fvalue); } if (jalv->has_ui) { // Update UI char buf[sizeof(ControlChange) + sizeof(fvalue)]; ControlChange* ev = (ControlChange*)buf; ev->index = port->index; ev->protocol = 0; ev->size = sizeof(fvalue); *(float*)ev->body = fvalue; zix_ring_write(jalv->plugin_events, buf, sizeof(buf)); } } void jalv_apply_state(Jalv* jalv, LilvState* state) { bool must_pause = !jalv->safe_restore && jalv->play_state == JALV_RUNNING; if (state) { if (must_pause) { jalv->play_state = JALV_PAUSE_REQUESTED; zix_sem_wait(&jalv->paused); } const LV2_Feature* state_features[9] = { &jalv->features.map_feature, &jalv->features.unmap_feature, &jalv->features.make_path_feature, &jalv->features.state_sched_feature, &jalv->features.safe_restore_feature, &jalv->features.log_feature, &jalv->features.options_feature, NULL}; lilv_state_restore( state, jalv->instance, set_port_value, jalv, 0, state_features); if (must_pause) { jalv->request_update = true; jalv->play_state = JALV_RUNNING; } } } int jalv_apply_preset(Jalv* jalv, const LilvNode* preset) { lilv_state_free(jalv->preset); jalv->preset = lilv_state_new_from_world(jalv->world, &jalv->map, preset); jalv_apply_state(jalv, jalv->preset); return 0; } int jalv_save_preset(Jalv* jalv, const char* dir, const char* uri, const char* label, const char* filename) { LilvState* const state = lilv_state_new_from_instance(jalv->plugin, jalv->instance, &jalv->map, jalv->temp_dir, dir, dir, dir, get_port_value, jalv, LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE, NULL); if (label) { lilv_state_set_label(state, label); } int ret = lilv_state_save( jalv->world, &jalv->map, &jalv->unmap, state, uri, dir, filename); lilv_state_free(jalv->preset); jalv->preset = state; return ret; } int jalv_delete_current_preset(Jalv* jalv) { if (!jalv->preset) { return 1; } lilv_world_unload_resource(jalv->world, lilv_state_get_uri(jalv->preset)); lilv_state_delete(jalv->world, jalv->preset); lilv_state_free(jalv->preset); jalv->preset = NULL; return 0; }