Factor out "settings" that affect the execution process

1 files changed, 62 insertions, 0 deletions

diff --git a/src/features.c b/src/features.c
new file mode 100644
index 0000000..82d8c27
--- /dev/null
+++ b/src/features.c
@@ -0,0 +1,62 @@
+// Copyright 2018-2024 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#include "features.h"
+
+#include "macros.h"
+#include "settings.h"
+#include "urids.h"
+
+#include <lv2/options/options.h>
+
+#include <stdint.h>
+#include <string.h>
+
+void
+jalv_init_lv2_options(JalvFeatures* const       features,
+                      const JalvURIDs* const    urids,
+                      const JalvSettings* const settings)
+{
+  const LV2_Options_Option options[ARRAY_SIZE(features->options)] = {
+    {LV2_OPTIONS_INSTANCE,
+     0,
+     urids->param_sampleRate,
+     sizeof(float),
+     urids->atom_Float,
+     &settings->sample_rate},
+    {LV2_OPTIONS_INSTANCE,
+     0,
+     urids->bufsz_minBlockLength,
+     sizeof(int32_t),
+     urids->atom_Int,
+     &settings->block_length},
+    {LV2_OPTIONS_INSTANCE,
+     0,
+     urids->bufsz_maxBlockLength,
+     sizeof(int32_t),
+     urids->atom_Int,
+     &settings->block_length},
+    {LV2_OPTIONS_INSTANCE,
+     0,
+     urids->bufsz_sequenceSize,
+     sizeof(int32_t),
+     urids->atom_Int,
+     &settings->midi_buf_size},
+    {LV2_OPTIONS_INSTANCE,
+     0,
+     urids->ui_updateRate,
+     sizeof(float),
+     urids->atom_Float,
+     &settings->ui_update_hz},
+    {LV2_OPTIONS_INSTANCE,
+     0,
+     urids->ui_scaleFactor,
+     sizeof(float),
+     urids->atom_Float,
+     &settings->ui_scale_factor},
+    {LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL}};
+
+  memcpy(features->options, options, sizeof(features->options));
+  features->options_feature.URI  = LV2_OPTIONS__options;
+  features->options_feature.data = (void*)features->options;
+}