1 files changed, 73 insertions, 0 deletions
diff --git a/src/LV2-render_console.c b/src/LV2-render_console.c
new file mode 100644
index 0000000..1d421d2
--- /dev/null
+++ b/src/LV2-render_console.c
@@ -0,0 +1,73 @@
+#define _XOPEN_SOURCE 500
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "jalv_config.h"
+#include "LV2-render_internal.h"
+
+#include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
+
+static int
+print_usage(const char* name, bool error)
+{
+	FILE* const os = error ? stderr : stdout;
+	fprintf(os, "Usage: %s [OPTION...] PLUGIN_URI\n", name);
+	fprintf(os, "Render a midi file with an LV2 plugin instrument.\n");
+	fprintf(os, "  -h           Display this help and exit\n");
+	fprintf(os, "  -p           Print control output changes to stdout\n");
+	fprintf(os, "  -c SYM=VAL   Set control value (e.g. \"vol=1.4\")\n");
+	fprintf(os, "  -l DIR       Load state from save directory\n");
+	fprintf(os, "  -d DIR       Dump plugin <=> UI communication\n");
+	fprintf(os, "  -b SIZE      Buffer size for plugin <=> UI communication\n");
+	return error ? 1 : 0;
+}
+
+int
+jalv_init(int* argc, char*** argv, JalvOptions* opts)
+{
+	opts->controls    = malloc(sizeof(char*));
+	opts->controls[0] = NULL;
+
+	int n_controls = 0;
+	int a          = 1;
+	for (; a < *argc && (*argv)[a][0] == '-'; ++a) {
+		if ((*argv)[a][1] == 'h') {
+			return print_usage((*argv)[0], true);
+		} else if ((*argv)[a][1] == 's') {
+			opts->show_ui = true;
+		} else if ((*argv)[a][1] == 'p') {
+			opts->print_controls = true;
+		} else if ((*argv)[a][1] == 'l') {
+			if (++a == *argc) {
+				fprintf(stderr, "Missing argument for -l\n");
+				return 1;
+			}
+			opts->load = jalv_strdup((*argv)[a]);
+		} else if ((*argv)[a][1] == 'b') {
+			if (++a == *argc) {
+				fprintf(stderr, "Missing argument for -b\n");
+				return 1;
+			}
+			opts->buffer_size = atoi((*argv)[a]);
+		} else if ((*argv)[a][1] == 'c') {
+			if (++a == *argc) {
+				fprintf(stderr, "Missing argument for -c\n");
+				return 1;
+			}
+			opts->controls = realloc(opts->controls,
+			                         (++n_controls + 1) * sizeof(char*));
+			opts->controls[n_controls - 1] = (*argv)[a];
+			opts->controls[n_controls]     = NULL;
+		} else if ((*argv)[a][1] == 'd') {
+			opts->dump = true;
+		} else {
+			fprintf(stderr, "Unknown option %s\n", (*argv)[a]);
+			return print_usage((*argv)[0], true);
+		}
+	}
+
+	return 0;
+}