gphoto2

const (
	//GPOK means no error
	GPOK = 0
	//Error is a Generic Error
	Error = -1
	//ErrorBadParameters : Bad parameters passed
	ErrorBadParameters = -2
	//ErrorNoMemory : Out of memory
	ErrorNoMemory = -3
	//ErrorLibrary : Error in the camera driver
	ErrorLibrary = -4
	//ErrorUnknownPort : Unknown libgphoto2 port passed
	ErrorUnknownPort = -5
	//ErrorNotSupported : Functionality not supported
	ErrorNotSupported = -6
	//ErrorIO : Generic I/O error
	ErrorIO = -7
	//ErrorFixedLimitExceeded : Buffer overflow of internal structure
	ErrorFixedLimitExceeded = -8
	//ErrorTimeout : Operation timed out
	ErrorTimeout = -10
	//ErrorIOSupportedSerial : Serial ports not supported
	ErrorIOSupportedSerial = -20
	//ErrorIOSupportedUsb : USB ports not supported
	ErrorIOSupportedUsb = -21
	//ErrorIOInit : Error initialising I/O
	ErrorIOInit = -31
	//ErrorIORead : I/O during read
	ErrorIORead = -34
	//ErrorIOWrite : I/O during write
	ErrorIOWrite = -35
	//ErrorIOUpdate : I/O during update of settings
	ErrorIOUpdate = -37
	//ErrorIOSerialSpeed : Specified serial speed not possible.
	ErrorIOSerialSpeed = -41
	//ErrorIOUSBClearHalt : Error during USB Clear HALT
	ErrorIOUSBClearHalt = -51
	//ErrorIOUSBFind : Error when trying to find USB device
	ErrorIOUSBFind = -52
	//ErrorIOUSBClaim : Error when trying to claim the USB device
	ErrorIOUSBClaim = -53
	//ErrorIOLock : Error when trying to lock the device
	ErrorIOLock = -60
	//ErrorHal : Unspecified error when talking to HAL
	ErrorHal = -70

	//ErrorCorruptedData : This error is reported by camera drivers if corrupted data has been received that
	//can not be automatically handled. Normally, drivers will do everything possible to automatically recover from this error
	ErrorCorruptedData = -102
	//ErrorFileExists : An operation failed because a file existed. This error is reported for example when the user tries to create a file that already exists.
	ErrorFileExists = -103
	//ErrorModelNotFound : The specified model could not be found. This error is reported when the user specified a model that does not seem to be supported by any driver.
	ErrorModelNotFound = -105
	//ErrorDirectoryNotFound : The specified directory could not be found. This error is reported when the user specified a directory that is non-existent.
	ErrorDirectoryNotFound = -107
	//ErrorFileNotFound : The specified file could not be found. This error is reported when the user wants to access a file that is non-existent.
	ErrorFileNotFound = -108
	//ErrorDirectoryExists : The specified directory already exists. This error is reported for example when the user wants to create a directory that already exists.
	ErrorDirectoryExists = -109
	//ErrorCameraBusy : Camera I/O or a command is in progress.
	ErrorCameraBusy = -110
	//ErrorPathNotAbsolute : The specified path is not absolute. This error is reported when the user specifies paths that are not absolute, i.e. paths like "path/to/directory". As a rule of thumb, in gphoto2, there is nothing like relative paths.
	ErrorPathNotAbsolute = -111
	//ErrorCancel : A cancellation requestion by the frontend via progress callback and GP_CONTEXT_FEEDBACK_CANCEL was successful and the transfer has been aborted.
	ErrorCancel = -112
	//ErrorCameraError : The camera reported some kind of error. This can be either a photographic error, such as failure to autofocus, underexposure, or violating storage permission, anything else that stops the camera from performing the operation.
	ErrorCameraError = -113
	//ErrorosFailure : There was some sort of OS error in communicating with the camera,
	// e.g. lack of permission for an operation.
	ErrorosFailure = -114
	//ErrorNoSpace : There was not enough free space when uploading a file.
	ErrorNoSpace = -115

	ErrorReadOnly             = -201
	ErrorWidgetHasNoOptions   = -202
	ErrorWidgetIllegalOption  = -203
	ErrorWidgetNotImplemented = -204
)

const (
	//LogError : Log message is an error infomation
	LogError = iota
	//LogVerbose : Log message is an verbose debug infomation
	LogVerbose
	//LogDebug : Log message is an debug infomation
	LogDebug
	//LogData : Log message is a data hex dump
	LogData
)

const (
	//FileTypePreview is a preview of an image
	FileTypePreview = iota
	//FileTypeNormal is regular normal data of a file
	FileTypeNormal
	//FileTypeRaw usually the same as FileTypeNormal for modern cameras ( left for compatibility purposes)
	FileTypeRaw
	//FileTypeAudio is a audio view of a file. Perhaps an embedded comment or similar
	FileTypeAudio
	//FileTypeExif is the  embedded EXIF data of an image
	FileTypeExif
	//FileTypeMetadata is the metadata of a file, like Metadata of files on MTP devices
	FileTypeMetadata
)

const (
	SettingProgram      = "expprogram"
	SettingFocusMode    = "drivemode"
	SettingAperture     = "aperture"
	SettingFocalLength  = "focallength"
	Settingshutterspeed = "shutterspeed"
	SettingISO          = "iso"
	SettingWB           = "whitebalance"
	SettingQuality      = "imagequality"
	SettingSize         = "size"

	SettingLiveViewZoomRatio = "d1a3"
)