#include "midimonster.h" MM_PLUGIN_API int init(); static uint32_t sacn_interval(); static int sacn_configure(char* option, char* value); static int sacn_configure_instance(instance* instance, char* option, char* value); static int sacn_instance(instance* inst); static channel* sacn_channel(instance* instance, char* spec, uint8_t flags); static int sacn_set(instance* inst, size_t num, channel** c, channel_value* v); static int sacn_handle(size_t num, managed_fd* fds); static int sacn_start(size_t n, instance** inst); static int sacn_shutdown(size_t n, instance** inst); #define SACN_PORT "5568" #define SACN_RECV_BUF 8192 //spec 6.6.2.1 #define SACN_KEEPALIVE_INTERVAL 1000 //spec 6.6.1 #define SACN_FRAME_TIMEOUT 20 #define SACN_SYNTHESIZE_MARGIN 10 #define SACN_DISCOVERY_TIMEOUT 9000 #define SACN_PDU_MAGIC "ASC-E1.17\0\0\0" #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 /*_sacn_universe_model*/ { uint8_t last_priority; uint8_t last_seq; uint8_t in[512]; uint8_t out[512]; uint16_t map[512]; channel channel[512]; } sacn_universe; typedef struct /*_sacn_instance_model*/ { uint32_t last_input; uint16_t uni; uint8_t realtime; uint8_t xmit_prio; uint8_t cid_filter[16]; uint8_t filter_enabled; uint8_t unicast_input; struct sockaddr_storage dest_addr; socklen_t dest_len; sacn_universe data; size_t fd_index; } sacn_instance_data; typedef union /*_sacn_instance_id*/ { struct { uint16_t fd_index; uint16_t uni; uint8_t pad[4]; } fields; uint64_t label; } sacn_instance_id; typedef struct /*_sacn_output_universe*/ { uint16_t universe; uint64_t last_frame; uint8_t mark; } sacn_output_universe; typedef struct /*_sacn_socket*/ { int fd; size_t universes; sacn_output_universe* universe; } sacn_fd; #pragma pack(push, 1) typedef struct /*_sacn_frame_root*/ { uint16_t preamble_size; uint16_t postamble_size; uint8_t magic[12]; uint16_t flags; uint32_t vector; uint8_t sender_cid[16]; //framing uint16_t frame_flags; uint32_t frame_vector; } sacn_frame_root; typedef struct /*_sacn_frame_data*/ { //framing uint8_t source_name[64]; uint8_t priority; uint16_t sync_addr; uint8_t sequence; uint8_t options; uint16_t universe; //dmp uint16_t flags; uint8_t vector; uint8_t format; uint16_t startcode_offset; uint16_t address_increment; uint16_t channels; uint8_t data[513]; } sacn_frame_data; typedef struct /*_sacn_frame_discovery*/ { //framing uint8_t source_name[64]; uint32_t reserved; //universe discovery uint16_t flags; uint32_t vector; uint8_t page; uint8_t max_page; uint16_t data[512]; } sacn_frame_discovery; typedef struct /*_sacn_xmit_data*/ { sacn_frame_root root; sacn_frame_data data; } sacn_data_pdu; typedef struct /*_sacn_xmit_discovery*/ { sacn_frame_root root; sacn_frame_discovery data; } sacn_discovery_pdu; #pragma pack(pop) #define ROOT_E131_DATA 0x4 #define FRAME_E131_DATA 0x2 #define DMP_SET_PROPERTY 0x2 #define ROOT_E131_EXTENDED 0x8 #define FRAME_E131_DISCOVERY 0x2 #define DISCOVERY_UNIVERSE_LIST 0x1