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#ifndef _WIN32
#include <sys/socket.h>
#endif
#include "midimonster.h"
MM_PLUGIN_API int init();
static uint32_t artnet_interval();
static int artnet_configure(char* option, char* value);
static int artnet_configure_instance(instance* instance, char* option, char* value);
static int artnet_instance(instance* inst);
static channel* artnet_channel(instance* instance, char* spec, uint8_t flags);
static int artnet_set(instance* inst, size_t num, channel** c, channel_value* v);
static int artnet_handle(size_t num, managed_fd* fds);
static int artnet_start(size_t n, instance** inst);
static int artnet_shutdown(size_t n, instance** inst);
#define ARTNET_PORT "6454"
#define ARTNET_VERSION 14
#define ARTNET_ESTA_MANUFACTURER 0x4653 //"FS" as registered with ESTA
#define ARTNET_OEM 0x2B93 //as registered with artistic license
#define ARTNET_RECV_BUF 4096
#define ARTNET_KEEPALIVE_INTERVAL 1000
//limit transmit rate to at most 44 packets per second (1000/44 ~= 22)
#define ARTNET_FRAME_TIMEOUT 20
#define ARTNET_SYNTHESIZE_MARGIN 10
#define MAP_COARSE 0x0200
#define MAP_FINE 0x0400
#define MAP_SINGLE 0x0800
#define MAP_MARK 0x1000
#define MAPPED_CHANNEL(a) ((a) & 0x01FF)
#define IS_ACTIVE(a) ((a) & 0xFE00)
#define IS_WIDE(a) ((a) & (MAP_FINE | MAP_COARSE))
#define IS_SINGLE(a) ((a) & MAP_SINGLE)
typedef struct /*_artnet_universe_model*/ {
uint8_t seq;
uint8_t in[512];
uint8_t out[512];
uint16_t map[512];
channel channel[512];
} artnet_universe;
typedef struct /*_artnet_instance_model*/ {
uint8_t net;
uint8_t uni;
struct sockaddr_storage dest_addr;
socklen_t dest_len;
artnet_universe data;
size_t fd_index;
uint64_t last_input;
uint8_t realtime;
} artnet_instance_data;
typedef union /*_artnet_instance_id*/ {
struct {
uint8_t fd_index;
uint8_t net;
uint8_t uni;
} fields;
uint64_t label;
} artnet_instance_id;
typedef struct /*_artnet_fd_universe*/ {
uint64_t label;
uint64_t last_frame;
uint8_t mark;
} artnet_output_universe;
typedef struct /*_artnet_fd*/ {
int fd;
size_t output_instances;
artnet_output_universe* output_instance;
struct sockaddr_storage announce_addr; //used for pollreplies if ss_family == AF_INET, port is always valid
} artnet_descriptor;
#pragma pack(push, 1)
typedef struct /*_artnet_hdr*/ {
uint8_t magic[8];
uint16_t opcode;
uint16_t version;
} artnet_hdr;
typedef struct /*_artnet_dmx*/ {
uint8_t magic[8];
uint16_t opcode;
uint16_t version;
uint8_t sequence;
uint8_t port;
uint8_t universe;
uint8_t net;
uint16_t length;
uint8_t data[512];
} artnet_dmx;
typedef struct /*_artnet_poll*/ {
uint8_t magic[8];
uint16_t opcode;
uint16_t version;
uint8_t flags;
uint8_t priority;
} artnet_poll;
typedef struct /*_artnet_poll_reply*/ {
uint8_t magic[8];
uint16_t opcode; //little-endian
uint8_t ip4[4]; //stop including l2/3 addresses in the payload, just use the sender address ffs
uint16_t port; //little-endian, who does that?
uint16_t firmware; //big-endian
uint16_t port_address; //big-endian
uint16_t oem; //big-endian
uint8_t bios_version;
uint8_t status;
uint16_t manufacturer; //little-endian
uint8_t shortname[18];
uint8_t longname[64];
uint8_t report[64];
uint16_t ports; //big-endian
uint8_t port_types[4]; //only use the first member, we report every universe in it's own reply
uint8_t port_in[4];
uint8_t port_out[4];
uint8_t subaddr_in[4];
uint8_t subaddr_out[4];
uint8_t video; //deprecated
uint8_t macro; //deprecatd
uint8_t remote; //deprecated
uint8_t spare[3];
uint8_t style;
uint8_t mac[6]; //come on
uint8_t parent_ip[4]; //COME ON
uint8_t parent_index; //i don't even know
uint8_t status2;
uint8_t port_out_b[4];
uint8_t status3;
uint8_t spare2[21];
} artnet_poll_reply;
#pragma pack(pop)
enum artnet_pkt_opcode {
OpPoll = 0x0020,
OpPollReply = 0x0021,
OpDmx = 0x0050
};
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