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-rw-r--r--src/presets.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/src/presets.c b/src/presets.c
deleted file mode 100644
index 2e145cd..0000000
--- a/src/presets.c
+++ /dev/null
@@ -1,348 +0,0 @@
-/*
- Copyright 2007-2011 David Robillard <http://drobilla.net>
-
- 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.
-*/
-
-#define _POSIX_C_SOURCE 200112L /* for fileno */
-#define _BSD_SOURCE 1 /* for lockf */
-
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#include "lilv/lilv.h"
-
-#include "jalv-config.h"
-#include "jalv_internal.h"
-
-#ifdef HAVE_LOCKF
-#include <unistd.h>
-#endif
-
-#define NS_LV2 "http://lv2plug.in/ns/lv2core#"
-#define NS_PSET "http://lv2plug.in/ns/ext/presets#"
-#define NS_RDF "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-#define NS_RDFS "http://www.w3.org/2000/01/rdf-schema#"
-#define NS_XSD "http://www.w3.org/2001/XMLSchema#"
-
-#define USTR(s) ((const uint8_t*)s)
-
-int
-jalv_load_presets(Jalv* jalv, PresetSink sink, void* data)
-{
- LilvNodes* presets = lilv_plugin_get_related(jalv->plugin,
- jalv->preset_class);
- LILV_FOREACH(nodes, i, presets) {
- const LilvNode* preset = lilv_nodes_get(presets, i);
- lilv_world_load_resource(jalv->world, preset);
- LilvNodes* labels = lilv_world_find_nodes(
- jalv->world, preset, jalv->label_pred, 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;
-}
-
-static inline const LilvNode*
-get_value(LilvWorld* world, const LilvNode* subject, const LilvNode* predicate)
-{
- LilvNodes* vs = lilv_world_find_nodes(world, subject, predicate, NULL);
- return vs ? lilv_nodes_get_first(vs) : NULL;
-}
-
-int
-jalv_apply_preset(Jalv* jalv, const LilvNode* preset)
-{
- LilvNode* lv2_port = lilv_new_uri(jalv->world, NS_LV2 "port");
- LilvNode* lv2_symbol = lilv_new_uri(jalv->world, NS_LV2 "symbol");
- LilvNode* pset_value = lilv_new_uri(jalv->world, NS_PSET "value");
-
- LilvNodes* ports = lilv_world_find_nodes(
- jalv->world, preset, lv2_port, NULL);
- LILV_FOREACH(nodes, i, ports) {
- const LilvNode* port = lilv_nodes_get(ports, i);
- const LilvNode* symbol = get_value(jalv->world, port, lv2_symbol);
- const LilvNode* value = get_value(jalv->world, port, pset_value);
- if (!symbol) {
- fprintf(stderr, "error: Preset port missing symbol.\n");
- } else if (!value) {
- fprintf(stderr, "error: Preset port missing value.\n");
- } else if (!lilv_node_is_float(value) && !lilv_node_is_int(value)) {
- fprintf(stderr, "error: Preset port value is not a number.\n");
- } else {
- const char* sym = lilv_node_as_string(symbol);
- struct Port* p = jalv_port_by_symbol(jalv, sym);
- if (p) {
- const float fvalue = lilv_node_as_float(value);
- // Send value to plugin
- jalv_ui_write(jalv, p->index, sizeof(float), 0, &fvalue);
-
- // Update UI
- char buf[sizeof(ControlChange) + sizeof(float)];
- ControlChange* ev = (ControlChange*)buf;
- ev->index = p->index;
- ev->protocol = 0;
- ev->size = sizeof(float);
- *(float*)ev->body = fvalue;
- jack_ringbuffer_write(jalv->plugin_events, buf, sizeof(buf));
- } else {
- fprintf(stderr, "error: Preset port `%s' is missing\n", sym);
- }
- }
- }
- lilv_nodes_free(ports);
-
- lilv_node_free(pset_value);
- lilv_node_free(lv2_symbol);
- lilv_node_free(lv2_port);
-
- return 0;
-}
-
-static size_t
-file_sink(const void* buf, size_t len, void* stream)
-{
- FILE* file = (FILE*)stream;
- return fwrite(buf, 1, len, file);
-}
-
-static char*
-pathify(const char* in, const char* ext)
-{
- const size_t in_len = strlen(in);
- const size_t ext_len = ext ? strlen(ext) : 0;
-
- char* out = malloc(in_len + ext_len + 1);
- for (size_t i = 0; i < in_len; ++i) {
- char c = in[i];
- if (!((c >= 'a' && c <= 'z')
- || (c >= 'A' && c <= 'Z')
- || (c >= '0' && c <= '9'))) {
- c = '-';
- }
- out[i] = c;
- }
- if (ext) {
- memcpy(out + in_len, ext, ext_len);
- }
- return out;
-}
-
-static char*
-strjoin(const char* a, const char* b)
-{
- const size_t a_len = strlen(a);
- const size_t b_len = strlen(a);
- char* const out = malloc(a_len + b_len + 1);
-
- memcpy(out, a, a_len);
- memcpy(out + a_len, b, b_len);
- out[a_len + b_len] = '\0';
-
- return out;
-}
-
-void
-jalv_save_port_values(Jalv* jalv,
- SerdWriter* writer,
- const SerdNode* subject)
-{
- for (uint32_t i = 0; i < jalv->num_ports; ++i) {
- struct Port* const port = &jalv->ports[i];
- if (port->type != TYPE_CONTROL || port->flow != FLOW_INPUT) {
- continue;
- }
-
- const LilvNode* sym = lilv_port_get_symbol(jalv->plugin, port->lilv_port);
- LilvNode* val = lilv_new_float(jalv->world, port->control);
-
- const SerdNode port_node = serd_node_from_string(
- SERD_BLANK, USTR(lilv_node_as_string(sym)));
-
- // <> lv2:port _:symbol
- SerdNode p = serd_node_from_string(SERD_URI,
- USTR(NS_LV2 "port"));
- serd_writer_write_statement(writer, SERD_ANON_O_BEGIN,
- NULL, subject, &p, &port_node, NULL, NULL);
-
- // _:symbol lv2:symbol "symbol"
- p = serd_node_from_string(SERD_URI, USTR(NS_LV2 "symbol"));
- SerdNode o = serd_node_from_string(SERD_LITERAL,
- USTR(lilv_node_as_string(sym)));
- serd_writer_write_statement(writer, SERD_ANON_CONT,
- NULL, &port_node, &p, &o, NULL, NULL);
-
- // _:symbol pset:value value
- p = serd_node_from_string(SERD_URI, USTR(NS_PSET "value"));
- o = serd_node_from_string(SERD_LITERAL,
- USTR(lilv_node_as_string(val)));
- SerdNode t = serd_node_from_string(SERD_URI, USTR(NS_XSD "decimal"));
- serd_writer_write_statement(writer, SERD_ANON_CONT,
- NULL, &port_node, &p, &o, &t, NULL);
-
- lilv_node_free(val);
- serd_writer_end_anon(writer, &port_node);
- }
-}
-
-int
-jalv_save_preset(Jalv* jalv, const char* label)
-{
- const char* const home = getenv("HOME");
- if (!home) {
- fprintf(stderr, "error: $HOME is undefined\n");
- return 1;
- }
-
- const char* const bundle_name = "presets.lv2/";
-
- // Create ~/.lv2/ and ~/.lv2/presets.lv2/ if necessary
- char* const lv2dir = strjoin(home, "/.lv2/");
- char* const bundle = strjoin(lv2dir, bundle_name);
- char* const filename = pathify(label, ".ttl");
- char* const path = strjoin(bundle, filename);
- char* const uri = strjoin("file://", path);
- char* const manifest_path = strjoin(bundle, "manifest.ttl");
- char* const manifest_uri = strjoin("file: //", manifest_path);
-
- int ret = 0;
- if ((mkdir(lv2dir, 0755) && errno != EEXIST)
- || (mkdir(bundle, 0755) && errno != EEXIST)) {
- fprintf(stderr, "error: Unable to create %s (%s)\n",
- lv2dir, strerror(errno));
- ret = 2;
- goto done;
- }
-
- // Open preset file
- FILE* fd = fopen((char*)path, "w");
- if (!fd) {
- fprintf(stderr, "error: Failed to open %s (%s)\n",
- path, strerror(errno));
- ret = 3;
- goto done;
- }
-
- SerdURI base_uri;
- SerdNode base = serd_node_new_uri_from_string((const uint8_t*)uri,
- NULL, &base_uri);
-
- SerdEnv* env = serd_env_new(&base);
- serd_env_set_prefix_from_strings(env, USTR("lv2"), USTR(NS_LV2));
- serd_env_set_prefix_from_strings(env, USTR("pset"), USTR(NS_PSET));
- serd_env_set_prefix_from_strings(env, USTR("rdfs"), USTR(NS_RDFS));
-
- // Write preset file
-
- SerdWriter* writer = serd_writer_new(
- SERD_TURTLE, SERD_STYLE_ABBREVIATED|SERD_STYLE_CURIED,
- env, &base_uri,
- file_sink,
- fd);
-
- serd_env_foreach(env, (SerdPrefixSink)serd_writer_set_prefix, writer);
-
- // <> a pset:Preset
- SerdNode s = serd_node_from_string(SERD_URI, USTR(""));
- SerdNode p = serd_node_from_string(SERD_URI, USTR(NS_RDF "type"));
- SerdNode o = serd_node_from_string(SERD_CURIE, USTR("pset:Preset"));
- serd_writer_write_statement(writer, 0, NULL, &s, &p, &o, NULL, NULL);
-
- // <> rdfs:label label
- p = serd_node_from_string(SERD_URI, USTR(NS_RDFS "label"));
- o = serd_node_from_string(SERD_LITERAL, USTR(label));
- serd_writer_write_statement(writer, 0,
- NULL, &s, &p, &o, NULL, NULL);
-
- jalv_save_port_values(jalv, writer, &s);
-
- serd_writer_free(writer);
- serd_node_free(&base);
-
- // Append record to manifest
-
- fclose(fd);
- fd = fopen((char*)manifest_path, "a");
- if (!fd) {
- fprintf(stderr, "error: Failed to open %s (%s)\n",
- path, strerror(errno));
- serd_env_free(env);
- ret = 4;
- goto done;
- }
-
-#ifdef HAVE_LOCKF
- lockf(fileno(fd), F_LOCK, 0);
-#endif
-
- base = serd_node_new_uri_from_string((const uint8_t*)manifest_uri,
- NULL, &base_uri);
-
- writer = serd_writer_new(
- SERD_TURTLE, SERD_STYLE_ABBREVIATED|SERD_STYLE_CURIED,
- env, &base_uri,
- file_sink,
- fd);
-
- fseek(fd, 0, SEEK_END);
- if (ftell(fd) == 0) {
- serd_env_foreach(env, (SerdPrefixSink)serd_writer_set_prefix, writer);
- }
-
- s = serd_node_from_string(SERD_URI, USTR(filename));
-
- // <preset> a pset:Preset
- p = serd_node_from_string(SERD_URI, USTR(NS_RDF "type"));
- o = serd_node_from_string(SERD_CURIE, USTR("pset:Preset"));
- serd_writer_write_statement(writer, 0, NULL, &s, &p, &o, NULL, NULL);
-
- // <preset> rdfs:seeAlso <preset>
- p = serd_node_from_string(SERD_URI, USTR(NS_RDFS "seeAlso"));
- serd_writer_write_statement(writer, 0, NULL, &s, &p, &s, NULL, NULL);
-
- // <preset> lv2:appliesTo <plugin>
- p = serd_node_from_string(SERD_URI, USTR(NS_LV2 "appliesTo"));
- o = serd_node_from_string(
- SERD_URI, USTR(lilv_node_as_string(lilv_plugin_get_uri(jalv->plugin))));
- serd_writer_write_statement(writer, 0, NULL, &s, &p, &o, NULL, NULL);
-
- serd_writer_free(writer);
- serd_env_free(env);
- serd_node_free(&base);
-
-#ifdef HAVE_LOCKF
- lockf(fileno(fd), F_ULOCK, 0);
-#endif
-
- fclose(fd);
-
-done:
- free(manifest_uri);
- free(manifest_path);
- free(uri);
- free(path);
- free(filename);
- free(bundle);
- free(lv2dir);
-
- return ret;
-}
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