diff options
Diffstat (limited to 'backends/visca.h')
| -rw-r--r-- | backends/visca.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/backends/visca.h b/backends/visca.h new file mode 100644 index 0000000..37f21b1 --- /dev/null +++ b/backends/visca.h @@ -0,0 +1,94 @@ +#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"} +}; |