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#include "midimonster.h"
MM_PLUGIN_API int init();
static int ptz_configure(char* option, char* value);
static int ptz_configure_instance(instance* inst, char* option, char* value);
static int ptz_instance(instance* inst);
static channel* ptz_channel(instance* inst, char* spec, uint8_t flags);
static int ptz_set(instance* inst, size_t num, channel** c, channel_value* v);
static int ptz_handle(size_t num, managed_fd* fds);
static int ptz_start(size_t n, instance** inst);
static int ptz_shutdown(size_t n, instance** inst);
#define VISCA_BUFFER_LENGTH 50
enum /*_ptz_relmove_channel */ {
rel_up = 1,
rel_down = 2,
rel_left = 4,
rel_right = 8,
rel_x = rel_up | rel_down,
rel_y = rel_left | rel_right
};
typedef struct /*_ptz_instance_data*/ {
int fd;
uint8_t cam_address;
uint16_t x;
uint16_t y;
uint8_t max_pan, max_tilt;
double factor_pan, factor_tilt;
uint8_t relative_movement;
double deadzone;
uint8_t direct_device;
} ptz_instance_data;
enum /*ptz_channels*/ {
//channels with a name that includes another channels as prefix
//go first so the channel matching logic works
panspeed = 0,
tiltspeed,
pan,
tilt,
zoom,
focus,
focus_mode,
wb_red,
wb_blue,
wb_mode,
call,
store,
home,
stop,
relmove,
sentinel
};
typedef size_t (*ptz_channel_set)(instance*, channel*, channel_value*, uint8_t* msg);
static size_t ptz_set_pantilt(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_ptspeed(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_zoom(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_focus(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_focus_mode(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_wb_mode(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_wb(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_memory(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_memory_store(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static size_t ptz_set_relmove(instance* inst, channel* c, channel_value* v, uint8_t* msg);
static struct {
char* name;
size_t bytes;
uint8_t pattern[VISCA_BUFFER_LENGTH];
size_t min; //channel range = max - min
size_t max;
size_t offset; //channel value = normalised * range - offset
ptz_channel_set set;
} ptz_channels[] = {
[panspeed] = {"panspeed", 0, {0}, 0x01, 0x18, 0, ptz_set_ptspeed},
[tiltspeed] = {"tiltspeed", 0, {0}, 0x01, 0x14, 0, ptz_set_ptspeed},
[pan] = {"pan", 15, {0x80, 0x01, 0x06, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF}, 0, 0x990 * 2, 0x990, ptz_set_pantilt},
[tilt] = {"tilt", 15, {0x80, 0x01, 0x06, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF}, 0, 0x510 * 2, 0x510, ptz_set_pantilt},
[zoom] = {"zoom", 9, {0x80, 0x01, 0x04, 0x47, 0, 0, 0, 0, 0xFF}, 0, 0x4000, 0, ptz_set_zoom},
[focus] = {"focus", 9, {0x80, 0x01, 0x04, 0x48, 0, 0, 0, 0, 0xFF}, 0, 0x4000, 0, ptz_set_focus},
[focus_mode] = {"autofocus", 6, {0x80, 0x01, 0x04, 0x38, 0, 0xFF}, 0, 1, 0, ptz_set_focus_mode},
[wb_mode] = {"wb.auto", 6, {0x80, 0x01, 0x04, 0x35, 0, 0xFF}, 0, 1, 0, ptz_set_wb_mode},
[wb_red] = {"wb.red", 9, {0x80, 0x01, 0x04, 0x43, 0x00, 0x00, 0, 0, 0xFF}, 0, 255, 0, ptz_set_wb},
[wb_blue] = {"wb.blue", 9, {0x80, 0x01, 0x04, 0x44, 0x00, 0x00, 0, 0, 0xFF}, 0, 255, 0, ptz_set_wb},
[call] = {"memory", 7, {0x80, 0x01, 0x04, 0x3F, 0x02, 0, 0xFF}, 0, 254, 0, ptz_set_memory},
[store] = {"store", 7, {0x80, 0x01, 0x04, 0x3F, 0x01, 0, 0xFF}, 0, 254, 0, ptz_set_memory_store},
[home] = {"home", 5, {0x80, 0x01, 0x06, 0x04, 0xFF}, 0, 0, 0, NULL},
[relmove] = {"move", 9, {0x80, 0x01, 0x06, 0x01, 0, 0, 0, 0, 0xFF}, 0, 1, 0, ptz_set_relmove},
[stop] = {"stop", 9, {0x80, 0x01, 0x06, 0x01, 0, 0, 0x03, 0x03, 0xFF}, 0, 0, 0, ptz_set_relmove},
[sentinel] = {"SENTINEL"}
};
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