#ifndef LIBUVC_H #define LIBUVC_H #ifdef __cplusplus extern "C" { #endif #include // FILE #include //#include #include #include "libuvc_config.h" /** UVC error types, based on libusb errors * @ingroup diag */ typedef enum uvc_error { /** Success (no error) */ UVC_SUCCESS = 0, /** Input/output error */ UVC_ERROR_IO = -1, /** Invalid parameter */ UVC_ERROR_INVALID_PARAM = -2, /** Access denied */ UVC_ERROR_ACCESS = -3, /** No such device */ UVC_ERROR_NO_DEVICE = -4, /** Entity not found */ UVC_ERROR_NOT_FOUND = -5, /** Resource busy */ UVC_ERROR_BUSY = -6, /** Operation timed out */ UVC_ERROR_TIMEOUT = -7, /** Overflow */ UVC_ERROR_OVERFLOW = -8, /** Pipe error */ UVC_ERROR_PIPE = -9, /** System call interrupted */ UVC_ERROR_INTERRUPTED = -10, /** Insufficient memory */ UVC_ERROR_NO_MEM = -11, /** Operation not supported */ UVC_ERROR_NOT_SUPPORTED = -12, /** Device is not UVC-compliant */ UVC_ERROR_INVALID_DEVICE = -50, /** Mode not supported */ UVC_ERROR_INVALID_MODE = -51, /** Resource has a callback (can't use polling and async) */ UVC_ERROR_CALLBACK_EXISTS = -52, /** Undefined error */ UVC_ERROR_OTHER = -99 } uvc_error_t; /** VideoStreaming interface descriptor subtype (A.6) */ enum uvc_vs_desc_subtype { UVC_VS_UNDEFINED = 0x00, UVC_VS_INPUT_HEADER = 0x01, UVC_VS_OUTPUT_HEADER = 0x02, UVC_VS_STILL_IMAGE_FRAME = 0x03, UVC_VS_FORMAT_UNCOMPRESSED = 0x04, UVC_VS_FRAME_UNCOMPRESSED = 0x05, UVC_VS_FORMAT_MJPEG = 0x06, UVC_VS_FRAME_MJPEG = 0x07, UVC_VS_FORMAT_MPEG2TS = 0x0a, UVC_VS_FORMAT_DV = 0x0c, UVC_VS_COLORFORMAT = 0x0d, UVC_VS_FORMAT_FRAME_BASED = 0x10, UVC_VS_FRAME_FRAME_BASED = 0x11, UVC_VS_FORMAT_STREAM_BASED = 0x12 }; struct uvc_format_desc; struct uvc_frame_desc; /** Frame descriptor * * A "frame" is a configuration of a streaming format * for a particular image size at one of possibly several * available frame rates. */ typedef struct uvc_frame_desc { struct uvc_format_desc *parent; struct uvc_frame_desc *prev, *next; /** Type of frame, such as JPEG frame or uncompressed frme */ enum uvc_vs_desc_subtype bDescriptorSubtype; /** Index of the frame within the list of specs available for this format */ uint8_t bFrameIndex; uint8_t bmCapabilities; /** Image width */ uint16_t wWidth; /** Image height */ uint16_t wHeight; /** Bitrate of corresponding stream at minimal frame rate */ uint32_t dwMinBitRate; /** Bitrate of corresponding stream at maximal frame rate */ uint32_t dwMaxBitRate; /** Maximum number of bytes for a video frame */ uint32_t dwMaxVideoFrameBufferSize; /** Default frame interval (in 100ns units) */ uint32_t dwDefaultFrameInterval; /** Minimum frame interval for continuous mode (100ns units) */ uint32_t dwMinFrameInterval; /** Maximum frame interval for continuous mode (100ns units) */ uint32_t dwMaxFrameInterval; /** Granularity of frame interval range for continuous mode (100ns) */ uint32_t dwFrameIntervalStep; /** Frame intervals */ uint8_t bFrameIntervalType; /** number of bytes per line */ uint32_t dwBytesPerLine; /** Available frame rates, zero-terminated (in 100ns units) */ uint32_t *intervals; } uvc_frame_desc_t; /** Format descriptor * * A "format" determines a stream's image type (e.g., raw YUYV or JPEG) * and includes many "frame" configurations. */ typedef struct uvc_format_desc { struct uvc_streaming_interface *parent; struct uvc_format_desc *prev, *next; /** Type of image stream, such as JPEG or uncompressed. */ enum uvc_vs_desc_subtype bDescriptorSubtype; /** Identifier of this format within the VS interface's format list */ uint8_t bFormatIndex; uint8_t bNumFrameDescriptors; /** Format specifier */ union { uint8_t guidFormat[16]; uint8_t fourccFormat[4]; }; /** Format-specific data */ union { /** BPP for uncompressed stream */ uint8_t bBitsPerPixel; /** Flags for JPEG stream */ uint8_t bmFlags; }; /** Default {uvc_frame_desc} to choose given this format */ uint8_t bDefaultFrameIndex; uint8_t bAspectRatioX; uint8_t bAspectRatioY; uint8_t bmInterlaceFlags; uint8_t bCopyProtect; uint8_t bVariableSize; /** Available frame specifications for this format */ struct uvc_frame_desc *frame_descs; } uvc_format_desc_t; /** UVC request code (A.8) */ enum uvc_req_code { UVC_RC_UNDEFINED = 0x00, UVC_SET_CUR = 0x01, UVC_GET_CUR = 0x81, UVC_GET_MIN = 0x82, UVC_GET_MAX = 0x83, UVC_GET_RES = 0x84, UVC_GET_LEN = 0x85, UVC_GET_INFO = 0x86, UVC_GET_DEF = 0x87 }; enum uvc_device_power_mode { UVC_VC_VIDEO_POWER_MODE_FULL = 0x000b, UVC_VC_VIDEO_POWER_MODE_DEVICE_DEPENDENT = 0x001b, }; /** Camera terminal control selector (A.9.4) */ enum uvc_ct_ctrl_selector { UVC_CT_CONTROL_UNDEFINED = 0x00, UVC_CT_SCANNING_MODE_CONTROL = 0x01, UVC_CT_AE_MODE_CONTROL = 0x02, UVC_CT_AE_PRIORITY_CONTROL = 0x03, UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL = 0x04, UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL = 0x05, UVC_CT_FOCUS_ABSOLUTE_CONTROL = 0x06, UVC_CT_FOCUS_RELATIVE_CONTROL = 0x07, UVC_CT_FOCUS_AUTO_CONTROL = 0x08, UVC_CT_IRIS_ABSOLUTE_CONTROL = 0x09, UVC_CT_IRIS_RELATIVE_CONTROL = 0x0a, UVC_CT_ZOOM_ABSOLUTE_CONTROL = 0x0b, UVC_CT_ZOOM_RELATIVE_CONTROL = 0x0c, UVC_CT_PANTILT_ABSOLUTE_CONTROL = 0x0d, UVC_CT_PANTILT_RELATIVE_CONTROL = 0x0e, UVC_CT_ROLL_ABSOLUTE_CONTROL = 0x0f, UVC_CT_ROLL_RELATIVE_CONTROL = 0x10, UVC_CT_PRIVACY_CONTROL = 0x11, UVC_CT_FOCUS_SIMPLE_CONTROL = 0x12, UVC_CT_DIGITAL_WINDOW_CONTROL = 0x13, UVC_CT_REGION_OF_INTEREST_CONTROL = 0x14 }; /** Processing unit control selector (A.9.5) */ enum uvc_pu_ctrl_selector { UVC_PU_CONTROL_UNDEFINED = 0x00, UVC_PU_BACKLIGHT_COMPENSATION_CONTROL = 0x01, UVC_PU_BRIGHTNESS_CONTROL = 0x02, UVC_PU_CONTRAST_CONTROL = 0x03, UVC_PU_GAIN_CONTROL = 0x04, UVC_PU_POWER_LINE_FREQUENCY_CONTROL = 0x05, UVC_PU_HUE_CONTROL = 0x06, UVC_PU_SATURATION_CONTROL = 0x07, UVC_PU_SHARPNESS_CONTROL = 0x08, UVC_PU_GAMMA_CONTROL = 0x09, UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL = 0x0a, UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL = 0x0b, UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL = 0x0c, UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL = 0x0d, UVC_PU_DIGITAL_MULTIPLIER_CONTROL = 0x0e, UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL = 0x0f, UVC_PU_HUE_AUTO_CONTROL = 0x10, UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL = 0x11, UVC_PU_ANALOG_LOCK_STATUS_CONTROL = 0x12, UVC_PU_CONTRAST_AUTO_CONTROL = 0x13 }; /** USB terminal type (B.1) */ enum uvc_term_type { UVC_TT_VENDOR_SPECIFIC = 0x0100, UVC_TT_STREAMING = 0x0101 }; /** Input terminal type (B.2) */ enum uvc_it_type { UVC_ITT_VENDOR_SPECIFIC = 0x0200, UVC_ITT_CAMERA = 0x0201, UVC_ITT_MEDIA_TRANSPORT_INPUT = 0x0202 }; /** Output terminal type (B.3) */ enum uvc_ot_type { UVC_OTT_VENDOR_SPECIFIC = 0x0300, UVC_OTT_DISPLAY = 0x0301, UVC_OTT_MEDIA_TRANSPORT_OUTPUT = 0x0302 }; /** External terminal type (B.4) */ enum uvc_et_type { UVC_EXTERNAL_VENDOR_SPECIFIC = 0x0400, UVC_COMPOSITE_CONNECTOR = 0x0401, UVC_SVIDEO_CONNECTOR = 0x0402, UVC_COMPONENT_CONNECTOR = 0x0403 }; /** Context, equivalent to libusb's contexts. * * May either own a libusb context or use one that's already made. * * Always create these with uvc_get_context. */ struct uvc_context; typedef struct uvc_context uvc_context_t; /** UVC device. * * Get this from uvc_get_device_list() or uvc_find_device(). */ struct uvc_device; typedef struct uvc_device uvc_device_t; /** Handle on an open UVC device. * * Get one of these from uvc_open(). Once you uvc_close() * it, it's no longer valid. */ struct uvc_device_handle; typedef struct uvc_device_handle uvc_device_handle_t; /** Handle on an open UVC stream. * * Get one of these from uvc_stream_open*(). * Once you uvc_stream_close() it, it will no longer be valid. */ struct uvc_stream_handle; typedef struct uvc_stream_handle uvc_stream_handle_t; /** Representation of the interface that brings data into the UVC device */ typedef struct uvc_input_terminal { struct uvc_input_terminal *prev, *next; /** Index of the terminal within the device */ uint8_t bTerminalID; /** Type of terminal (e.g., camera) */ enum uvc_it_type wTerminalType; uint16_t wObjectiveFocalLengthMin; uint16_t wObjectiveFocalLengthMax; uint16_t wOcularFocalLength; /** Camera controls (meaning of bits given in {uvc_ct_ctrl_selector}) */ uint64_t bmControls; } uvc_input_terminal_t; typedef struct uvc_output_terminal { struct uvc_output_terminal *prev, *next; /** @todo */ } uvc_output_terminal_t; /** Represents post-capture processing functions */ typedef struct uvc_processing_unit { struct uvc_processing_unit *prev, *next; /** Index of the processing unit within the device */ uint8_t bUnitID; /** Index of the terminal from which the device accepts images */ uint8_t bSourceID; /** Processing controls (meaning of bits given in {uvc_pu_ctrl_selector}) */ uint64_t bmControls; } uvc_processing_unit_t; /** Custom processing or camera-control functions */ typedef struct uvc_extension_unit { struct uvc_extension_unit *prev, *next; /** Index of the extension unit within the device */ uint8_t bUnitID; /** GUID identifying the extension unit */ uint8_t guidExtensionCode[16]; /** Bitmap of available controls (manufacturer-dependent) */ uint64_t bmControls; } uvc_extension_unit_t; enum uvc_status_class { UVC_STATUS_CLASS_CONTROL = 0x10, UVC_STATUS_CLASS_CONTROL_CAMERA = 0x11, UVC_STATUS_CLASS_CONTROL_PROCESSING = 0x12, }; enum uvc_status_attribute { UVC_STATUS_ATTRIBUTE_VALUE_CHANGE = 0x00, UVC_STATUS_ATTRIBUTE_INFO_CHANGE = 0x01, UVC_STATUS_ATTRIBUTE_FAILURE_CHANGE = 0x02, UVC_STATUS_ATTRIBUTE_UNKNOWN = 0xff }; /** A callback function to accept status updates * @ingroup device */ typedef void(uvc_status_callback_t)(enum uvc_status_class status_class, int event, int selector, enum uvc_status_attribute status_attribute, void *data, size_t data_len, void *user_ptr); /** Structure representing a UVC device descriptor. * * (This isn't a standard structure.) */ typedef struct uvc_device_descriptor { /** Vendor ID */ uint16_t idVendor; /** Product ID */ uint16_t idProduct; /** UVC compliance level, e.g. 0x0100 (1.0), 0x0110 */ uint16_t bcdUVC; /** Serial number (null if unavailable) */ const char *serialNumber; /** Device-reported manufacturer name (or null) */ const char *manufacturer; /** Device-reporter product name (or null) */ const char *product; } uvc_device_descriptor_t; /** An image frame received from the UVC device * @ingroup streaming */ typedef struct uvc_frame { /** Image data for this frame */ void *data; /** Size of image data buffer */ size_t data_bytes; /** Width of image in pixels */ uint32_t width; /** Height of image in pixels */ uint32_t height; /** Pixel data format */ uint32_t fourcc; /** Number of bytes per horizontal line (undefined for compressed format) */ size_t step; /** Frame number (may skip, but is strictly monotonically increasing) */ uint32_t sequence; /** Estimate of system time when the device started capturing the image */ struct timeval capture_time; /** Handle on the device that produced the image. * @warning You must not call any uvc_* functions during a callback. */ uvc_device_handle_t *source; /** Is the data buffer owned by the library? * If 1, the data buffer can be arbitrarily reallocated by frame conversion * functions. * If 0, the data buffer will not be reallocated or freed by the library. * Set this field to zero if you are supplying the buffer. */ uint8_t library_owns_data; } uvc_frame_t; /** A callback function to handle incoming assembled UVC frames * @ingroup streaming */ typedef void(uvc_frame_callback_t)(struct uvc_frame *frame, void *user_ptr); /** Streaming mode, includes all information needed to select stream * @ingroup streaming */ typedef struct uvc_stream_ctrl { uint16_t bmHint; uint8_t bFormatIndex; uint8_t bFrameIndex; uint32_t dwFrameInterval; uint16_t wKeyFrameRate; uint16_t wPFrameRate; uint16_t wCompQuality; uint16_t wCompWindowSize; uint16_t wDelay; uint32_t dwMaxVideoFrameSize; uint32_t dwMaxPayloadTransferSize; uint32_t dwClockFrequency; uint8_t bmFramingInfo; uint8_t bPreferredVersion; uint8_t bMinVersion; uint8_t bMaxVersion; uint8_t bInterfaceNumber; uvc_stream_handle_t *handle; } uvc_stream_ctrl_t; uvc_error_t uvc_init(uvc_context_t **ctx, struct libusb_context *usb_ctx); void uvc_exit(uvc_context_t *ctx); uvc_error_t uvc_get_device_list( uvc_context_t *ctx, uvc_device_t ***list); void uvc_free_device_list(uvc_device_t **list, uint8_t unref_devices); uvc_error_t uvc_get_device_descriptor( uvc_device_t *dev, uvc_device_descriptor_t **desc); void uvc_free_device_descriptor( uvc_device_descriptor_t *desc); uint8_t uvc_get_bus_number(uvc_device_t *dev); uint8_t uvc_get_device_address(uvc_device_t *dev); uvc_error_t uvc_find_device( uvc_context_t *ctx, uvc_device_t **dev, int vid, int pid, const char *sn); uvc_error_t uvc_open( uvc_device_t *dev, uvc_device_handle_t **devh); uvc_error_t uvc_open2( uvc_device_t *dev, uvc_device_handle_t **devh, int camera_number); void uvc_close(uvc_device_handle_t *devh); uvc_device_t *uvc_get_device(uvc_device_handle_t *devh); libusb_device_handle *uvc_get_libusb_handle(uvc_device_handle_t *devh); void uvc_ref_device(uvc_device_t *dev); void uvc_unref_device(uvc_device_t *dev); void uvc_set_status_callback(uvc_device_handle_t *devh, uvc_status_callback_t cb, void *user_ptr); const uvc_input_terminal_t *uvc_get_input_terminals(uvc_device_handle_t *devh); const uvc_output_terminal_t *uvc_get_output_terminals(uvc_device_handle_t *devh); const uvc_processing_unit_t *uvc_get_processing_units(uvc_device_handle_t *devh); const uvc_extension_unit_t *uvc_get_extension_units(uvc_device_handle_t *devh); uvc_error_t uvc_get_stream_ctrl_format_size( uvc_device_handle_t *devh, uvc_stream_ctrl_t *ctrl, uint32_t fourcc, int width, int height, int fps ); const uvc_format_desc_t *uvc_get_format_descs(uvc_device_handle_t* ); uvc_error_t uvc_probe_stream_ctrl( uvc_device_handle_t *devh, uvc_stream_ctrl_t *ctrl); uvc_error_t uvc_start_streaming( uvc_device_handle_t *devh, uvc_stream_ctrl_t *ctrl, uvc_frame_callback_t *cb, void *user_ptr, uint8_t flags, int num_transfer_buffers); uvc_error_t uvc_start_iso_streaming( uvc_device_handle_t *devh, uvc_stream_ctrl_t *ctrl, uvc_frame_callback_t *cb, void *user_ptr); void uvc_stop_streaming(uvc_device_handle_t *devh); uvc_error_t uvc_stream_open_ctrl(uvc_device_handle_t *devh, uvc_stream_handle_t **strmh, uvc_stream_ctrl_t *ctrl); uvc_error_t uvc_stream_ctrl(uvc_stream_handle_t *strmh, uvc_stream_ctrl_t *ctrl); uvc_error_t uvc_stream_start(uvc_stream_handle_t *strmh, uvc_frame_callback_t *cb, void *user_ptr, uint8_t flags, int num_transfer_buffers); uvc_error_t uvc_stream_start_iso(uvc_stream_handle_t *strmh, uvc_frame_callback_t *cb, void *user_ptr); uvc_error_t uvc_stream_get_frame( uvc_stream_handle_t *strmh, uvc_frame_t **frame, int32_t timeout_us ); uvc_error_t uvc_stream_stop(uvc_stream_handle_t *strmh); void uvc_stream_close(uvc_stream_handle_t *strmh); int uvc_get_ctrl_len(uvc_device_handle_t *devh, uint8_t unit, uint8_t ctrl); int uvc_get_ctrl(uvc_device_handle_t *devh, uint8_t unit, uint8_t ctrl, void *data, int len, enum uvc_req_code req_code); int uvc_set_ctrl(uvc_device_handle_t *devh, uint8_t unit, uint8_t ctrl, void *data, int len); uvc_error_t uvc_get_power_mode(uvc_device_handle_t *devh, enum uvc_device_power_mode *mode, enum uvc_req_code req_code); uvc_error_t uvc_set_power_mode(uvc_device_handle_t *devh, enum uvc_device_power_mode mode); /* AUTO-GENERATED control accessors! Update them with the output of `ctrl-gen.py decl`. */ uvc_error_t uvc_get_scanning_mode(uvc_device_handle_t *devh, uint8_t* mode, enum uvc_req_code req_code); uvc_error_t uvc_set_scanning_mode(uvc_device_handle_t *devh, uint8_t mode); uvc_error_t uvc_get_ae_mode(uvc_device_handle_t *devh, uint8_t* mode, enum uvc_req_code req_code); uvc_error_t uvc_set_ae_mode(uvc_device_handle_t *devh, uint8_t mode); uvc_error_t uvc_get_ae_priority(uvc_device_handle_t *devh, uint8_t* priority, enum uvc_req_code req_code); uvc_error_t uvc_set_ae_priority(uvc_device_handle_t *devh, uint8_t priority); uvc_error_t uvc_get_exposure_abs(uvc_device_handle_t *devh, uint32_t* time, enum uvc_req_code req_code); uvc_error_t uvc_set_exposure_abs(uvc_device_handle_t *devh, uint32_t time); uvc_error_t uvc_get_exposure_rel(uvc_device_handle_t *devh, int8_t* step, enum uvc_req_code req_code); uvc_error_t uvc_set_exposure_rel(uvc_device_handle_t *devh, int8_t step); uvc_error_t uvc_get_focus_abs(uvc_device_handle_t *devh, uint16_t* focus, enum uvc_req_code req_code); uvc_error_t uvc_set_focus_abs(uvc_device_handle_t *devh, uint16_t focus); uvc_error_t uvc_get_focus_rel(uvc_device_handle_t *devh, int8_t* focus_rel, uint8_t* speed, enum uvc_req_code req_code); uvc_error_t uvc_set_focus_rel(uvc_device_handle_t *devh, int8_t focus_rel, uint8_t speed); uvc_error_t uvc_get_focus_simple_range(uvc_device_handle_t *devh, uint8_t* focus, enum uvc_req_code req_code); uvc_error_t uvc_set_focus_simple_range(uvc_device_handle_t *devh, uint8_t focus); uvc_error_t uvc_get_focus_auto(uvc_device_handle_t *devh, uint8_t* state, enum uvc_req_code req_code); uvc_error_t uvc_set_focus_auto(uvc_device_handle_t *devh, uint8_t state); uvc_error_t uvc_get_iris_abs(uvc_device_handle_t *devh, uint16_t* iris, enum uvc_req_code req_code); uvc_error_t uvc_set_iris_abs(uvc_device_handle_t *devh, uint16_t iris); uvc_error_t uvc_get_iris_rel(uvc_device_handle_t *devh, uint8_t* iris_rel, enum uvc_req_code req_code); uvc_error_t uvc_set_iris_rel(uvc_device_handle_t *devh, uint8_t iris_rel); uvc_error_t uvc_get_zoom_abs(uvc_device_handle_t *devh, uint16_t* focal_length, enum uvc_req_code req_code); uvc_error_t uvc_set_zoom_abs(uvc_device_handle_t *devh, uint16_t focal_length); uvc_error_t uvc_get_zoom_rel(uvc_device_handle_t *devh, int8_t* zoom_rel, uint8_t* digital_zoom, uint8_t* speed, enum uvc_req_code req_code); uvc_error_t uvc_set_zoom_rel(uvc_device_handle_t *devh, int8_t zoom_rel, uint8_t digital_zoom, uint8_t speed); uvc_error_t uvc_get_pantilt_abs(uvc_device_handle_t *devh, int32_t* pan, int32_t* tilt, enum uvc_req_code req_code); uvc_error_t uvc_set_pantilt_abs(uvc_device_handle_t *devh, int32_t pan, int32_t tilt); uvc_error_t uvc_get_pantilt_rel(uvc_device_handle_t *devh, int8_t* pan_rel, uint8_t* pan_speed, int8_t* tilt_rel, uint8_t* tilt_speed, enum uvc_req_code req_code); uvc_error_t uvc_set_pantilt_rel(uvc_device_handle_t *devh, int8_t pan_rel, uint8_t pan_speed, int8_t tilt_rel, uint8_t tilt_speed); uvc_error_t uvc_get_roll_abs(uvc_device_handle_t *devh, int16_t* roll, enum uvc_req_code req_code); uvc_error_t uvc_set_roll_abs(uvc_device_handle_t *devh, int16_t roll); uvc_error_t uvc_get_roll_rel(uvc_device_handle_t *devh, int8_t* roll_rel, uint8_t* speed, enum uvc_req_code req_code); uvc_error_t uvc_set_roll_rel(uvc_device_handle_t *devh, int8_t roll_rel, uint8_t speed); uvc_error_t uvc_get_privacy(uvc_device_handle_t *devh, uint8_t* privacy, enum uvc_req_code req_code); uvc_error_t uvc_set_privacy(uvc_device_handle_t *devh, uint8_t privacy); uvc_error_t uvc_get_digital_window(uvc_device_handle_t *devh, uint16_t* window_top, uint16_t* window_left, uint16_t* window_bottom, uint16_t* window_right, uint16_t* num_steps, uint16_t* num_steps_units, enum uvc_req_code req_code); uvc_error_t uvc_set_digital_window(uvc_device_handle_t *devh, uint16_t window_top, uint16_t window_left, uint16_t window_bottom, uint16_t window_right, uint16_t num_steps, uint16_t num_steps_units); uvc_error_t uvc_get_digital_roi(uvc_device_handle_t *devh, uint16_t* roi_top, uint16_t* roi_left, uint16_t* roi_bottom, uint16_t* roi_right, uint16_t* auto_controls, enum uvc_req_code req_code); uvc_error_t uvc_set_digital_roi(uvc_device_handle_t *devh, uint16_t roi_top, uint16_t roi_left, uint16_t roi_bottom, uint16_t roi_right, uint16_t auto_controls); uvc_error_t uvc_get_backlight_compensation(uvc_device_handle_t *devh, uint16_t* backlight_compensation, enum uvc_req_code req_code); uvc_error_t uvc_set_backlight_compensation(uvc_device_handle_t *devh, uint16_t backlight_compensation); uvc_error_t uvc_get_brightness(uvc_device_handle_t *devh, int16_t* brightness, enum uvc_req_code req_code); uvc_error_t uvc_set_brightness(uvc_device_handle_t *devh, int16_t brightness); uvc_error_t uvc_get_contrast(uvc_device_handle_t *devh, uint16_t* contrast, enum uvc_req_code req_code); uvc_error_t uvc_set_contrast(uvc_device_handle_t *devh, uint16_t contrast); uvc_error_t uvc_get_contrast_auto(uvc_device_handle_t *devh, uint8_t* contrast_auto, enum uvc_req_code req_code); uvc_error_t uvc_set_contrast_auto(uvc_device_handle_t *devh, uint8_t contrast_auto); uvc_error_t uvc_get_gain(uvc_device_handle_t *devh, uint16_t* gain, enum uvc_req_code req_code); uvc_error_t uvc_set_gain(uvc_device_handle_t *devh, uint16_t gain); uvc_error_t uvc_get_power_line_frequency(uvc_device_handle_t *devh, uint8_t* power_line_frequency, enum uvc_req_code req_code); uvc_error_t uvc_set_power_line_frequency(uvc_device_handle_t *devh, uint8_t power_line_frequency); uvc_error_t uvc_get_hue(uvc_device_handle_t *devh, int16_t* hue, enum uvc_req_code req_code); uvc_error_t uvc_set_hue(uvc_device_handle_t *devh, int16_t hue); uvc_error_t uvc_get_hue_auto(uvc_device_handle_t *devh, uint8_t* hue_auto, enum uvc_req_code req_code); uvc_error_t uvc_set_hue_auto(uvc_device_handle_t *devh, uint8_t hue_auto); uvc_error_t uvc_get_saturation(uvc_device_handle_t *devh, uint16_t* saturation, enum uvc_req_code req_code); uvc_error_t uvc_set_saturation(uvc_device_handle_t *devh, uint16_t saturation); uvc_error_t uvc_get_sharpness(uvc_device_handle_t *devh, uint16_t* sharpness, enum uvc_req_code req_code); uvc_error_t uvc_set_sharpness(uvc_device_handle_t *devh, uint16_t sharpness); uvc_error_t uvc_get_gamma(uvc_device_handle_t *devh, uint16_t* gamma, enum uvc_req_code req_code); uvc_error_t uvc_set_gamma(uvc_device_handle_t *devh, uint16_t gamma); uvc_error_t uvc_get_white_balance_temperature(uvc_device_handle_t *devh, uint16_t* temperature, enum uvc_req_code req_code); uvc_error_t uvc_set_white_balance_temperature(uvc_device_handle_t *devh, uint16_t temperature); uvc_error_t uvc_get_white_balance_temperature_auto(uvc_device_handle_t *devh, uint8_t* temperature_auto, enum uvc_req_code req_code); uvc_error_t uvc_set_white_balance_temperature_auto(uvc_device_handle_t *devh, uint8_t temperature_auto); uvc_error_t uvc_get_white_balance_component(uvc_device_handle_t *devh, uint16_t* blue, uint16_t* red, enum uvc_req_code req_code); uvc_error_t uvc_set_white_balance_component(uvc_device_handle_t *devh, uint16_t blue, uint16_t red); uvc_error_t uvc_get_white_balance_component_auto(uvc_device_handle_t *devh, uint8_t* white_balance_component_auto, enum uvc_req_code req_code); uvc_error_t uvc_set_white_balance_component_auto(uvc_device_handle_t *devh, uint8_t white_balance_component_auto); uvc_error_t uvc_get_digital_multiplier(uvc_device_handle_t *devh, uint16_t* multiplier_step, enum uvc_req_code req_code); uvc_error_t uvc_set_digital_multiplier(uvc_device_handle_t *devh, uint16_t multiplier_step); uvc_error_t uvc_get_digital_multiplier_limit(uvc_device_handle_t *devh, uint16_t* multiplier_step, enum uvc_req_code req_code); uvc_error_t uvc_set_digital_multiplier_limit(uvc_device_handle_t *devh, uint16_t multiplier_step); uvc_error_t uvc_get_analog_video_standard(uvc_device_handle_t *devh, uint8_t* video_standard, enum uvc_req_code req_code); uvc_error_t uvc_set_analog_video_standard(uvc_device_handle_t *devh, uint8_t video_standard); uvc_error_t uvc_get_analog_video_lock_status(uvc_device_handle_t *devh, uint8_t* status, enum uvc_req_code req_code); uvc_error_t uvc_set_analog_video_lock_status(uvc_device_handle_t *devh, uint8_t status); uvc_error_t uvc_get_input_select(uvc_device_handle_t *devh, uint8_t* selector, enum uvc_req_code req_code); uvc_error_t uvc_set_input_select(uvc_device_handle_t *devh, uint8_t selector); /* end AUTO-GENERATED control accessors */ void uvc_perror(uvc_error_t err, const char *msg); const char* uvc_strerror(uvc_error_t err); void uvc_print_diag(uvc_device_handle_t *devh, FILE *stream); void uvc_print_stream_ctrl(uvc_stream_ctrl_t *ctrl, FILE *stream); uvc_frame_t *uvc_allocate_frame(size_t data_bytes); void uvc_free_frame(uvc_frame_t *frame); uvc_error_t uvc_duplicate_frame(uvc_frame_t *in, uvc_frame_t *out); #ifdef __cplusplus } #endif #endif // !def(LIBUVC_H)