1 files changed, 55 insertions, 0 deletions
diff --git a/backends/osc.h b/backends/osc.h
new file mode 100644
index 0000000..5938f12
--- /dev/null
+++ b/backends/osc.h
@@ -0,0 +1,55 @@
+#include "midimonster.h"
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#define OSC_RECV_BUF 8192
+#define OSC_XMIT_BUF 8192
+
+int init();
+static int backend_configure(char* option, char* value);
+static int backend_configure_instance(instance* instance, char* option, char* value);
+static instance* backend_instance();
+static channel* backend_channel(instance* instance, char* spec);
+static int backend_set(instance* inst, size_t num, channel** c, channel_value* v);
+static int backend_handle(size_t num, managed_fd* fds);
+static int backend_start();
+static int backend_shutdown();
+
+typedef enum {
+	not_set = 0,
+	int32 = 'i',
+	float32 = 'f',
+	/*s, b*/ //ignored
+	int64 = 'h',
+	double64 = 'd',
+} osc_parameter_type;
+
+typedef union {
+	int32_t i32;
+	float f;
+	int64_t i64;
+	double d;
+} osc_parameter_value;
+
+typedef struct /*_osc_channel*/ {
+	char* path;
+	size_t params;
+	size_t param_index;
+	uint8_t mark;
+
+	osc_parameter_type type;
+	osc_parameter_value max;
+	osc_parameter_value min;
+	osc_parameter_value current;
+} osc_channel;
+
+typedef struct /*_osc_instance_data*/ {
+	size_t channels;
+	osc_channel* channel;
+	char* root;
+	socklen_t dest_len;
+	struct sockaddr_storage dest;
+	int fd;
+	uint8_t learn;
+	uint16_t forced_rport;
+} osc_instance;