ptp.h

/* ptp.h
 *
 * Copyright (C) 2001 Mariusz Woloszyn <emsi@ipartners.pl>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __PTP_H__
#define __PTP_H__

#include <stdarg.h>
#include <time.h>
#include <iconv.h>
#include "gphoto2-endian.h"

/* PTP datalayer byteorder */

#define PTP_DL_BE                       0xF0
#define PTP_DL_LE                       0x0F

/* PTP request/response/event general PTP container (transport independent) */

struct _PTPContainer {
        uint16_t Code;
        uint32_t SessionID;
        uint32_t Transaction_ID;
        /* params  may be of any type of size less or equal to uint32_t */
        uint32_t Param1;
        uint32_t Param2;
        uint32_t Param3;
        /* events can only have three parameters */
        uint32_t Param4;
        uint32_t Param5;
        /* the number of meaningfull parameters */
        uint8_t  Nparam;
};
typedef struct _PTPContainer PTPContainer;

/* PTP USB Bulk-Pipe container */
/* USB bulk max packet length for high speed endpoints */
/* I have changed this from 512 to 4096 now. The spec says
 * "end of data transfers are signaled by short packets or NULL
 * packets". It never says anything about 512.
 * So it should work like this and the MTP folks will be happier...
 * -Marcus
 */
#define PTP_USB_BULK_HS_MAX_PACKET_LEN  4096
#define PTP_USB_BULK_HDR_LEN            (2*sizeof(uint32_t)+2*sizeof(uint16_t))
#define PTP_USB_BULK_PAYLOAD_LEN        (PTP_USB_BULK_HS_MAX_PACKET_LEN-PTP_USB_BULK_HDR_LEN)
#define PTP_USB_BULK_REQ_LEN    (PTP_USB_BULK_HDR_LEN+5*sizeof(uint32_t))

struct _PTPUSBBulkContainer {
        uint32_t length;
        uint16_t type;
        uint16_t code;
        uint32_t trans_id;
        union {
                struct {
                        uint32_t param1;
                        uint32_t param2;
                        uint32_t param3;
                        uint32_t param4;
                        uint32_t param5;
                } params;
                unsigned char data[PTP_USB_BULK_PAYLOAD_LEN];
        } payload;
};
typedef struct _PTPUSBBulkContainer PTPUSBBulkContainer;

/* PTP USB Asynchronous Event Interrupt Data Format */
struct _PTPUSBEventContainer {
        uint32_t length;
        uint16_t type;
        uint16_t code;
        uint32_t trans_id;
        uint32_t param1;
        uint32_t param2;
        uint32_t param3;
};
typedef struct _PTPUSBEventContainer PTPUSBEventContainer;


/* USB container types */

#define PTP_USB_CONTAINER_UNDEFINED             0x0000
#define PTP_USB_CONTAINER_COMMAND               0x0001
#define PTP_USB_CONTAINER_DATA                  0x0002
#define PTP_USB_CONTAINER_RESPONSE              0x0003
#define PTP_USB_CONTAINER_EVENT                 0x0004

/* PTP/IP definitions */
#define PTPIP_INIT_COMMAND_REQUEST      1
#define PTPIP_INIT_COMMAND_ACK          2
#define PTPIP_INIT_EVENT_REQUEST        3
#define PTPIP_INIT_EVENT_ACK            4
#define PTPIP_INIT_FAIL                 5
#define PTPIP_CMD_REQUEST               6
#define PTPIP_CMD_RESPONSE              7
#define PTPIP_EVENT                     8
#define PTPIP_START_DATA_PACKET         9
#define PTPIP_DATA_PACKET               10
#define PTPIP_CANCEL_TRANSACTION        11
#define PTPIP_END_DATA_PACKET           12
#define PTPIP_PING                      13
#define PTPIP_PONG                      14

struct _PTPIPHeader {
        uint32_t        length;
        uint32_t        type;
};
typedef struct _PTPIPHeader PTPIPHeader;

/* Vendor IDs */
#define PTP_VENDOR_EASTMAN_KODAK        0x00000001
#define PTP_VENDOR_SEIKO_EPSON          0x00000002
#define PTP_VENDOR_AGILENT              0x00000003
#define PTP_VENDOR_POLAROID             0x00000004
#define PTP_VENDOR_AGFA_GEVAERT         0x00000005
#define PTP_VENDOR_MICROSOFT            0x00000006
#define PTP_VENDOR_EQUINOX              0x00000007
#define PTP_VENDOR_VIEWQUEST            0x00000008
#define PTP_VENDOR_STMICROELECTRONICS   0x00000009
#define PTP_VENDOR_NIKON                0x0000000A
#define PTP_VENDOR_CANON                0x0000000B

/* Operation Codes */

#define PTP_OC_Undefined                0x1000
#define PTP_OC_GetDeviceInfo            0x1001
#define PTP_OC_OpenSession              0x1002
#define PTP_OC_CloseSession             0x1003
#define PTP_OC_GetStorageIDs            0x1004
#define PTP_OC_GetStorageInfo           0x1005
#define PTP_OC_GetNumObjects            0x1006
#define PTP_OC_GetObjectHandles         0x1007
#define PTP_OC_GetObjectInfo            0x1008
#define PTP_OC_GetObject                0x1009
#define PTP_OC_GetThumb                 0x100A
#define PTP_OC_DeleteObject             0x100B
#define PTP_OC_SendObjectInfo           0x100C
#define PTP_OC_SendObject               0x100D
#define PTP_OC_InitiateCapture          0x100E
#define PTP_OC_FormatStore              0x100F
#define PTP_OC_ResetDevice              0x1010
#define PTP_OC_SelfTest                 0x1011
#define PTP_OC_SetObjectProtection      0x1012
#define PTP_OC_PowerDown                0x1013
#define PTP_OC_GetDevicePropDesc        0x1014
#define PTP_OC_GetDevicePropValue       0x1015
#define PTP_OC_SetDevicePropValue       0x1016
#define PTP_OC_ResetDevicePropValue     0x1017
#define PTP_OC_TerminateOpenCapture     0x1018
#define PTP_OC_MoveObject               0x1019
#define PTP_OC_CopyObject               0x101A
#define PTP_OC_GetPartialObject         0x101B
#define PTP_OC_InitiateOpenCapture      0x101C

/* Eastman Kodak extension Operation Codes */
#define PTP_OC_EK_GetSerial             0x9003
#define PTP_OC_EK_SetSerial             0x9004
#define PTP_OC_EK_SendFileObjectInfo    0x9005
#define PTP_OC_EK_SendFileObject        0x9006
#define PTP_OC_EK_SetText               0x9008

/* Canon extension Operation Codes */
#define PTP_OC_CANON_GetObjectSize      0x9001
#define PTP_OC_CANON_9002               0x9002
/* 9002 - sends 2 uint32, nothing back  */
#define PTP_OC_CANON_9003               0x9003
/* 9003 - sends nothing, nothing back  */
/* no 9004 observed yet */
/* no 9005 observed yet */
/* 9006 - sends a ptp string, gets back a uint32 */
#define PTP_OC_CANON_9006               0x9006
/* no 9007 observed yet */
#define PTP_OC_CANON_StartShootingMode  0x9008
#define PTP_OC_CANON_EndShootingMode    0x9009
/* 900a - sends nothing, nothing back */
#define PTP_OC_CANON_900a               0x900A
#define PTP_OC_CANON_ViewfinderOn       0x900B
#define PTP_OC_CANON_ViewfinderOff      0x900C
#define PTP_OC_CANON_ReflectChanges     0x900D

/* 900e - send nothing, gets 5 uint16t in 32bit entities back in 20byte datablob 
 * GetFlashDevParam?
 */
#define PTP_OC_CANON_900e               0x900E
/* 900f - gets data ... hmm, object handles ? */
#define PTP_OC_CANON_900f               0x900F

#define PTP_OC_CANON_ThemeDownload      0x9010
#define PTP_OC_CANON_ThemeUpload        0x9011

/* initiate movie capture:
   9010 startmoviecapture?
   9003 stopmoviecapture?
*/

#define PTP_OC_CANON_CheckEvent         0x9013
#define PTP_OC_CANON_FocusLock          0x9014
#define PTP_OC_CANON_FocusUnlock        0x9015
#define PTP_OC_CANON_InitiateCaptureInMemory    0x901A
#define PTP_OC_CANON_GetPartialObject   0x901B
#define PTP_OC_CANON_GetViewfinderImage 0x901d
        /* Viewfinder Auto functions */
#define PTP_OC_CANON_GetChanges         0x9020
#define PTP_OC_CANON_GetFolderEntries   0x9021

/* Nikon extension Operation Codes */
#define PTP_OC_NIKON_GetProfileAllData  0x9006
#define PTP_OC_NIKON_SendProfileData    0x9007
#define PTP_OC_NIKON_DeleteProfile      0x9008
#define PTP_OC_NIKON_SetProfileData     0x9009
#define PTP_OC_NIKON_AdvancedTransfer   0x9010
#define PTP_OC_NIKON_GetFileInfoInBlock 0x9011
#define PTP_OC_NIKON_Capture            0x90C0
#define PTP_OC_NIKON_SetControlMode     0x90C2
#define PTP_OC_NIKON_CurveDownload      0x90C5
#define PTP_OC_NIKON_CurveUpload        0x90C6
#define PTP_OC_NIKON_CheckEvent         0x90C7
#define PTP_OC_NIKON_DeviceReady        0x90C8
#define PTP_OC_NIKON_GetDevicePTPIPInfo 0x90E0

/* Microsoft / MTP extension codes */
#define PTP_OC_MTP_GetObjectPropsSupported      0x9801
#define PTP_OC_MTP_GetObjectPropDesc            0x9802
#define PTP_OC_MTP_GetObjectPropValue           0x9803
#define PTP_OC_MTP_SetObjectPropValue           0x9804
#define PTP_OC_MTP_GetObjPropList               0x9805
#define PTP_OC_MTP_SetObjPropList               0x9806
#define PTP_OC_MTP_GetInterdependendPropdesc    0x9807
#define PTP_OC_MTP_SendObjectPropList           0x9808
#define PTP_OC_MTP_GetObjectReferences          0x9810
#define PTP_OC_MTP_SetObjectReferences          0x9811
#define PTP_OC_MTP_UpdateDeviceFirmware         0x9812
#define PTP_OC_MTP_Skip                         0x9820

/* Proprietary vendor extension operations mask */
#define PTP_OC_EXTENSION_MASK           0xF000
#define PTP_OC_EXTENSION                0x9000

/* Response Codes */

#define PTP_RC_Undefined                0x2000
#define PTP_RC_OK                       0x2001
#define PTP_RC_GeneralError             0x2002
#define PTP_RC_SessionNotOpen           0x2003
#define PTP_RC_InvalidTransactionID     0x2004
#define PTP_RC_OperationNotSupported    0x2005
#define PTP_RC_ParameterNotSupported    0x2006
#define PTP_RC_IncompleteTransfer       0x2007
#define PTP_RC_InvalidStorageId         0x2008
#define PTP_RC_InvalidObjectHandle      0x2009
#define PTP_RC_DevicePropNotSupported   0x200A
#define PTP_RC_InvalidObjectFormatCode  0x200B
#define PTP_RC_StoreFull                0x200C
#define PTP_RC_ObjectWriteProtected     0x200D
#define PTP_RC_StoreReadOnly            0x200E
#define PTP_RC_AccessDenied             0x200F
#define PTP_RC_NoThumbnailPresent       0x2010
#define PTP_RC_SelfTestFailed           0x2011
#define PTP_RC_PartialDeletion          0x2012
#define PTP_RC_StoreNotAvailable        0x2013
#define PTP_RC_SpecificationByFormatUnsupported         0x2014
#define PTP_RC_NoValidObjectInfo        0x2015
#define PTP_RC_InvalidCodeFormat        0x2016
#define PTP_RC_UnknownVendorCode        0x2017
#define PTP_RC_CaptureAlreadyTerminated 0x2018
#define PTP_RC_DeviceBusy               0x2019
#define PTP_RC_InvalidParentObject      0x201A
#define PTP_RC_InvalidDevicePropFormat  0x201B
#define PTP_RC_InvalidDevicePropValue   0x201C
#define PTP_RC_InvalidParameter         0x201D
#define PTP_RC_SessionAlreadyOpened     0x201E
#define PTP_RC_TransactionCanceled      0x201F
#define PTP_RC_SpecificationOfDestinationUnsupported            0x2020

/* Eastman Kodak extension Response Codes */
#define PTP_RC_EK_FilenameRequired      0xA001
#define PTP_RC_EK_FilenameConflicts     0xA002
#define PTP_RC_EK_FilenameInvalid       0xA003

/* Nikon specific response codes */
#define PTP_RC_NIKON_AdvancedTransferCancel 0xA022

/* Microsoft/MTP specific codes */
#define PTP_RC_MTP_Undefined                    0xA800
#define PTP_RC_MTP_Invalid_ObjectPropCode       0xA801
#define PTP_RC_MTP_Invalid_ObjectProp_Format    0xA802
#define PTP_RC_MTP_Invalid_ObjectProp_Value     0xA803
#define PTP_RC_MTP_Invalid_ObjectReference      0xA804
#define PTP_RC_MTP_Invalid_Dataset              0xA806
#define PTP_RC_MTP_Specification_By_Group_Unsupported           0xA808
#define PTP_RC_MTP_Object_Too_Large             0xA809

/* libptp2 extended ERROR codes */
#define PTP_ERROR_IO                    0x02FF
#define PTP_ERROR_DATA_EXPECTED         0x02FE
#define PTP_ERROR_RESP_EXPECTED         0x02FD
#define PTP_ERROR_BADPARAM              0x02FC

/* PTP Event Codes */

#define PTP_EC_Undefined                0x4000
#define PTP_EC_CancelTransaction        0x4001
#define PTP_EC_ObjectAdded              0x4002
#define PTP_EC_ObjectRemoved            0x4003
#define PTP_EC_StoreAdded               0x4004
#define PTP_EC_StoreRemoved             0x4005
#define PTP_EC_DevicePropChanged        0x4006
#define PTP_EC_ObjectInfoChanged        0x4007
#define PTP_EC_DeviceInfoChanged        0x4008
#define PTP_EC_RequestObjectTransfer    0x4009
#define PTP_EC_StoreFull                0x400A
#define PTP_EC_DeviceReset              0x400B
#define PTP_EC_StorageInfoChanged       0x400C
#define PTP_EC_CaptureComplete          0x400D
#define PTP_EC_UnreportedStatus         0x400E

/* Canon extension Event Codes */
#define PTP_EC_CANON_ExtendedErrorcode          0xC005  /* ? */
#define PTP_EC_CANON_ObjectInfoChanged          0xC008
#define PTP_EC_CANON_RequestObjectTransfer      0xC009
#define PTP_EC_CANON_CameraModeChanged          0xC00C

/* Nikon extension Event Codes */
#define PTP_EC_Nikon_ObjectAddedInSDRAM         0xC101
/* Gets 1 parameter, objectid pointing to DPOF object */
#define PTP_EC_Nikon_AdvancedTransfer           0xC103

/* constants for GetObjectHandles */
#define PTP_GOH_ALL_STORAGE 0xffffffff
#define PTP_GOH_ALL_FORMATS 0x00000000
#define PTP_GOH_ALL_ASSOCS  0x00000000

/* PTP device info structure (returned by GetDevInfo) */

struct _PTPDeviceInfo {
        uint16_t StaqndardVersion;
        uint32_t VendorExtensionID;
        uint16_t VendorExtensionVersion;
        char    *VendorExtensionDesc;
        uint16_t FunctionalMode;
        uint32_t OperationsSupported_len;
        uint16_t *OperationsSupported;
        uint32_t EventsSupported_len;
        uint16_t *EventsSupported;
        uint32_t DevicePropertiesSupported_len;
        uint16_t *DevicePropertiesSupported;
        uint32_t CaptureFormats_len;
        uint16_t *CaptureFormats;
        uint32_t ImageFormats_len;
        uint16_t *ImageFormats;
        char    *Manufacturer;
        char    *Model;
        char    *DeviceVersion;
        char    *SerialNumber;
};
typedef struct _PTPDeviceInfo PTPDeviceInfo;

/* PTP storageIDs structute (returned by GetStorageIDs) */

struct _PTPStorageIDs {
        uint32_t n;
        uint32_t *Storage;
};
typedef struct _PTPStorageIDs PTPStorageIDs;

/* PTP StorageInfo structure (returned by GetStorageInfo) */
struct _PTPStorageInfo {
        uint16_t StorageType;
        uint16_t FilesystemType;
        uint16_t AccessCapability;
        uint64_t MaxCapability;
        uint64_t FreeSpaceInBytes;
        uint32_t FreeSpaceInImages;
        char    *StorageDescription;
        char    *VolumeLabel;
};
typedef struct _PTPStorageInfo PTPStorageInfo;

/* PTP objecthandles structure (returned by GetObjectHandles) */

struct _PTPObjectHandles {
        uint32_t n;
        uint32_t *Handler;
};
typedef struct _PTPObjectHandles PTPObjectHandles;

#define PTP_HANDLER_SPECIAL     0xffffffff
#define PTP_HANDLER_ROOT        0x00000000


/* PTP objectinfo structure (returned by GetObjectInfo) */

struct _PTPObjectInfo {
        uint32_t StorageID;
        uint16_t ObjectFormat;
        uint16_t ProtectionStatus;
        uint32_t ObjectCompressedSize;
        uint16_t ThumbFormat;
        uint32_t ThumbCompressedSize;
        uint32_t ThumbPixWidth;
        uint32_t ThumbPixHeight;
        uint32_t ImagePixWidth;
        uint32_t ImagePixHeight;
        uint32_t ImageBitDepth;
        uint32_t ParentObject;
        uint16_t AssociationType;
        uint32_t AssociationDesc;
        uint32_t SequenceNumber;
        char    *Filename;
        time_t  CaptureDate;
        time_t  ModificationDate;
        char    *Keywords;
};
typedef struct _PTPObjectInfo PTPObjectInfo;

/* max ptp string length INCLUDING terminating null character */

#define PTP_MAXSTRLEN                           255

/* PTP Object Format Codes */

/* ancillary formats */
#define PTP_OFC_Undefined                       0x3000
#define PTP_OFC_Association                     0x3001
#define PTP_OFC_Script                          0x3002
#define PTP_OFC_Executable                      0x3003
#define PTP_OFC_Text                            0x3004
#define PTP_OFC_HTML                            0x3005
#define PTP_OFC_DPOF                            0x3006
#define PTP_OFC_AIFF                            0x3007
#define PTP_OFC_WAV                             0x3008
#define PTP_OFC_MP3                             0x3009
#define PTP_OFC_AVI                             0x300A
#define PTP_OFC_MPEG                            0x300B
#define PTP_OFC_ASF                             0x300C
#define PTP_OFC_QT                              0x300D /* guessing */
/* image formats */
#define PTP_OFC_EXIF_JPEG                       0x3801
#define PTP_OFC_TIFF_EP                         0x3802
#define PTP_OFC_FlashPix                        0x3803
#define PTP_OFC_BMP                             0x3804
#define PTP_OFC_CIFF                            0x3805
#define PTP_OFC_Undefined_0x3806                0x3806
#define PTP_OFC_GIF                             0x3807
#define PTP_OFC_JFIF                            0x3808
#define PTP_OFC_PCD                             0x3809
#define PTP_OFC_PICT                            0x380A
#define PTP_OFC_PNG                             0x380B
#define PTP_OFC_Undefined_0x380C                0x380C
#define PTP_OFC_TIFF                            0x380D
#define PTP_OFC_TIFF_IT                         0x380E
#define PTP_OFC_JP2                             0x380F
#define PTP_OFC_JPX                             0x3810
/* Eastman Kodak extension ancillary format */
#define PTP_OFC_EK_M3U                          0xb002
/* MTP extensions */
#define PTP_OFC_MTP_Firmware                    0xb802
#define PTP_OFC_MTP_WindowsImageFormat          0xb882
#define PTP_OFC_MTP_UndefinedAudio              0xb900
#define PTP_OFC_MTP_WMA                         0xb901
#define PTP_OFC_MTP_OGG                         0xb902
#define PTP_OFC_MTP_AudibleCodec                0xb904
#define PTP_OFC_MTP_UndefinedVideo              0xb980
#define PTP_OFC_MTP_WMV                         0xb981
#define PTP_OFC_MTP_MP4                         0xb982
#define PTP_OFC_MTP_UndefinedCollection         0xba00
#define PTP_OFC_MTP_AbstractMultimediaAlbum     0xba01
#define PTP_OFC_MTP_AbstractImageAlbum          0xba02
#define PTP_OFC_MTP_AbstractAudioAlbum          0xba03
#define PTP_OFC_MTP_AbstractVideoAlbum          0xba04
#define PTP_OFC_MTP_AbstractAudioVideoPlaylist  0xba05
#define PTP_OFC_MTP_AbstractContactGroup        0xba06
#define PTP_OFC_MTP_AbstractMessageFolder       0xba07
#define PTP_OFC_MTP_AbstractChapteredProduction 0xba08
#define PTP_OFC_MTP_WPLPlaylist                 0xba10
#define PTP_OFC_MTP_M3UPlaylist                 0xba11
#define PTP_OFC_MTP_MPLPlaylist                 0xba12
#define PTP_OFC_MTP_ASXPlaylist                 0xba13
#define PTP_OFC_MTP_PLSPlaylist                 0xba14
#define PTP_OFC_MTP_UndefinedDocument           0xba80
#define PTP_OFC_MTP_AbstractDocument            0xba81
#define PTP_OFC_MTP_UndefinedMessage            0xbb00
#define PTP_OFC_MTP_AbstractMessage             0xbb01
#define PTP_OFC_MTP_UndefinedContact            0xbb80
#define PTP_OFC_MTP_AbstractContact             0xbb81
#define PTP_OFC_MTP_vCard2                      0xbb82
#define PTP_OFC_MTP_vCard3                      0xbb83
#define PTP_OFC_MTP_UndefinedCalendarItem       0xbe00
#define PTP_OFC_MTP_AbstractCalendarItem        0xbe01
#define PTP_OFC_MTP_vCalendar1                  0xbe02
#define PTP_OFC_MTP_vCalendar2                  0xbe03
#define PTP_OFC_MTP_UndefinedWindowsExecutable  0xbe80

/* PTP Association Types */
#define PTP_AT_Undefined                        0x0000
#define PTP_AT_GenericFolder                    0x0001
#define PTP_AT_Album                            0x0002
#define PTP_AT_TimeSequence                     0x0003
#define PTP_AT_HorizontalPanoramic              0x0004
#define PTP_AT_VerticalPanoramic                0x0005
#define PTP_AT_2DPanoramic                      0x0006
#define PTP_AT_AncillaryData                    0x0007

/* PTP Protection Status */

#define PTP_PS_NoProtection                     0x0000
#define PTP_PS_ReadOnly                         0x0001

/* PTP Storage Types */

#define PTP_ST_Undefined                        0x0000
#define PTP_ST_FixedROM                         0x0001
#define PTP_ST_RemovableROM                     0x0002
#define PTP_ST_FixedRAM                         0x0003
#define PTP_ST_RemovableRAM                     0x0004

/* PTP FilesystemType Values */

#define PTP_FST_Undefined                       0x0000
#define PTP_FST_GenericFlat                     0x0001
#define PTP_FST_GenericHierarchical             0x0002
#define PTP_FST_DCF                             0x0003

/* PTP StorageInfo AccessCapability Values */

#define PTP_AC_ReadWrite                        0x0000
#define PTP_AC_ReadOnly                         0x0001
#define PTP_AC_ReadOnly_with_Object_Deletion    0x0002

/* Property Describing Dataset, Range Form */

union _PTPPropertyValue {
        char            *str;   /* common string, malloced */
        uint16_t        *unistr; /* UCS2 unicode string, malloced */
        uint8_t         u8;
        int8_t          i8;
        uint16_t        u16;
        int16_t         i16;
        uint32_t        u32;
        int32_t         i32;
        /* XXXX: 64bit and 128 bit signed and unsigned missing */
        struct array {
                uint32_t        count;
                union _PTPPropertyValue *v;     /* malloced, count elements */
        } a;
};

typedef union _PTPPropertyValue PTPPropertyValue;

struct _PTPPropDescRangeForm {
        PTPPropertyValue        MinimumValue;
        PTPPropertyValue        MaximumValue;
        PTPPropertyValue        StepSize;
};
typedef struct _PTPPropDescRangeForm PTPPropDescRangeForm;

/* Property Describing Dataset, Enum Form */

struct _PTPPropDescEnumForm {
        uint16_t                NumberOfValues;
        PTPPropertyValue        *SupportedValue;        /* malloced */
};
typedef struct _PTPPropDescEnumForm PTPPropDescEnumForm;

/* Device Property Describing Dataset (DevicePropDesc) */

struct _PTPDevicePropDesc {
        uint16_t                DevicePropertyCode;
        uint16_t                DataType;
        uint8_t                 GetSet;
        PTPPropertyValue        FactoryDefaultValue;
        PTPPropertyValue        CurrentValue;
        uint8_t                 FormFlag;
        union   {
                PTPPropDescEnumForm     Enum;
                PTPPropDescRangeForm    Range;
        } FORM;
};
typedef struct _PTPDevicePropDesc PTPDevicePropDesc;

/* Object Property Describing Dataset (DevicePropDesc) */

struct _PTPObjectPropDesc {
        uint16_t                ObjectPropertyCode;
        uint16_t                DataType;
        uint8_t                 GetSet;
        PTPPropertyValue        FactoryDefaultValue;
        uint32_t                GroupCode;
        uint8_t                 FormFlag;
        union   {
                PTPPropDescEnumForm     Enum;
                PTPPropDescRangeForm    Range;
        } FORM;
};
typedef struct _PTPObjectPropDesc PTPObjectPropDesc;

/* Canon filesystem's folder entry Dataset */

#define PTP_CANON_FilenameBufferLen     13
#define PTP_CANON_FolderEntryLen        28

struct _PTPCANONFolderEntry {
        uint32_t        ObjectHandle;
        uint16_t        ObjectFormatCode;
        uint8_t         Flags;
        uint32_t        ObjectSize;
        time_t          Time;
        char            Filename[PTP_CANON_FilenameBufferLen];
};
typedef struct _PTPCANONFolderEntry PTPCANONFolderEntry;

/* Nikon Tone Curve Data */

#define PTP_NIKON_MaxCurvePoints 19

struct _PTPNIKONCoordinatePair {
        uint8_t         X;
        uint8_t         Y;
};

typedef struct _PTPNIKONCoordinatePair PTPNIKONCoordinatePair;

struct _PTPNTCCoordinatePair {
        uint8_t         X;
        uint8_t         Y;
};

typedef struct _PTPNTCCoordinatePair PTPNTCCoordinatePair;

struct _PTPNIKONCurveData {
        char                    static_preamble[6];
        uint8_t                 XAxisStartPoint;
        uint8_t                 XAxisEndPoint;
        uint8_t                 YAxisStartPoint;
        uint8_t                 YAxisEndPoint;
        uint8_t                 MidPointIntegerPart;
        uint8_t                 MidPointDecimalPart;
        uint8_t                 NCoordinates;
        PTPNIKONCoordinatePair  CurveCoordinates[PTP_NIKON_MaxCurvePoints];
};

typedef struct _PTPNIKONCurveData PTPNIKONCurveData;

struct _PTPEKTextParams {
        char    *title;
        char    *line[5];
};
typedef struct _PTPEKTextParams PTPEKTextParams;

/* Nikon Wifi profiles */

struct _PTPNIKONWifiProfile {
        /* Values valid both when reading and writing profiles */
        char      profile_name[17];
        uint8_t   device_type;
        uint8_t   icon_type;
        char      essid[33];

        /* Values only valid when reading. Some of these are in the write packet,
         * but are set automatically, like id, display_order and creation_date. */
        uint8_t   id;
        uint8_t   valid;
        uint8_t   display_order;
        char      creation_date[16];
        char      lastusage_date[16];
        
        /* Values only valid when writing */
        uint32_t  ip_address;
        uint8_t   subnet_mask; /* first zero bit position, e.g. 24 for 255.255.255.0 */
        uint32_t  gateway_address;
        uint8_t   address_mode; /* 0 - Manual, 2-3 -  DHCP ad-hoc/managed*/
        uint8_t   access_mode; /* 0 - Managed, 1 - Adhoc */
        uint8_t   wifi_channel; /* 1-11 */
        uint8_t   authentification; /* 0 - Open, 1 - Shared, 2 - WPA-PSK */
        uint8_t   encryption; /* 0 - None, 1 - WEP 64bit, 2 - WEP 128bit (not supported: 3 - TKIP) */
        uint8_t   key[64];
        uint8_t   key_nr;
//      char      guid[16];
};

typedef struct _PTPNIKONWifiProfile PTPNIKONWifiProfile;

/* DataType Codes */

#define PTP_DTC_UNDEF           0x0000
#define PTP_DTC_INT8            0x0001
#define PTP_DTC_UINT8           0x0002
#define PTP_DTC_INT16           0x0003
#define PTP_DTC_UINT16          0x0004
#define PTP_DTC_INT32           0x0005
#define PTP_DTC_UINT32          0x0006
#define PTP_DTC_INT64           0x0007
#define PTP_DTC_UINT64          0x0008
#define PTP_DTC_INT128          0x0009
#define PTP_DTC_UINT128         0x000A

#define PTP_DTC_ARRAY_MASK      0x4000

#define PTP_DTC_AINT8           (PTP_DTC_ARRAY_MASK | PTP_DTC_INT8)
#define PTP_DTC_AUINT8          (PTP_DTC_ARRAY_MASK | PTP_DTC_UINT8)
#define PTP_DTC_AINT16          (PTP_DTC_ARRAY_MASK | PTP_DTC_INT16)
#define PTP_DTC_AUINT16         (PTP_DTC_ARRAY_MASK | PTP_DTC_UINT16)
#define PTP_DTC_AINT32          (PTP_DTC_ARRAY_MASK | PTP_DTC_INT32)
#define PTP_DTC_AUINT32         (PTP_DTC_ARRAY_MASK | PTP_DTC_UINT32)
#define PTP_DTC_AINT64          (PTP_DTC_ARRAY_MASK | PTP_DTC_INT64)
#define PTP_DTC_AUINT64         (PTP_DTC_ARRAY_MASK | PTP_DTC_UINT64)
#define PTP_DTC_AINT128         (PTP_DTC_ARRAY_MASK | PTP_DTC_INT128)
#define PTP_DTC_AUINT128        (PTP_DTC_ARRAY_MASK | PTP_DTC_UINT128)

#define PTP_DTC_STR             0xFFFF

/* Device Properties Codes */

#define PTP_DPC_Undefined               0x5000
#define PTP_DPC_BatteryLevel            0x5001
#define PTP_DPC_FunctionalMode          0x5002
#define PTP_DPC_ImageSize               0x5003
#define PTP_DPC_CompressionSetting      0x5004
#define PTP_DPC_WhiteBalance            0x5005
#define PTP_DPC_RGBGain                 0x5006
#define PTP_DPC_FNumber                 0x5007
#define PTP_DPC_FocalLength             0x5008
#define PTP_DPC_FocusDistance           0x5009
#define PTP_DPC_FocusMode               0x500A
#define PTP_DPC_ExposureMeteringMode    0x500B
#define PTP_DPC_FlashMode               0x500C
#define PTP_DPC_ExposureTime            0x500D
#define PTP_DPC_ExposureProgramMode     0x500E
#define PTP_DPC_ExposureIndex           0x500F
#define PTP_DPC_ExposureBiasCompensation        0x5010
#define PTP_DPC_DateTime                0x5011
#define PTP_DPC_CaptureDelay            0x5012
#define PTP_DPC_StillCaptureMode        0x5013
#define PTP_DPC_Contrast                0x5014
#define PTP_DPC_Sharpness               0x5015
#define PTP_DPC_DigitalZoom             0x5016
#define PTP_DPC_EffectMode              0x5017
#define PTP_DPC_BurstNumber             0x5018
#define PTP_DPC_BurstInterval           0x5019
#define PTP_DPC_TimelapseNumber         0x501A
#define PTP_DPC_TimelapseInterval       0x501B
#define PTP_DPC_FocusMeteringMode       0x501C
#define PTP_DPC_UploadURL               0x501D
#define PTP_DPC_Artist                  0x501E
#define PTP_DPC_CopyrightInfo           0x501F

/* Proprietary vendor extension device property mask */
#define PTP_DPC_EXTENSION_MASK          0xF000
#define PTP_DPC_EXTENSION               0xD000

/* Vendor Extensions device property codes */

/* Eastman Kodak extension device property codes */
#define PTP_DPC_EK_ColorTemperature     0xD001
#define PTP_DPC_EK_DateTimeStampFormat  0xD002
#define PTP_DPC_EK_BeepMode             0xD003
#define PTP_DPC_EK_VideoOut             0xD004
#define PTP_DPC_EK_PowerSaving          0xD005
#define PTP_DPC_EK_UI_Language          0xD006
/* Canon extension device property codes */
#define PTP_DPC_CANON_BeepMode          0xD001
#define PTP_DPC_CANON_ViewfinderMode    0xD003
#define PTP_DPC_CANON_ImageQuality      0xD006
#define PTP_DPC_CANON_D007              0xD007
#define PTP_DPC_CANON_ImageSize         0xD008
#define PTP_DPC_CANON_FlashMode         0xD00A
#define PTP_DPC_CANON_ShootingMode      0xD00C
#define PTP_DPC_CANON_DriveMode         0xD00E
#define PTP_DPC_CANON_MeteringMode      0xD010
#define PTP_DPC_CANON_AFDistance        0xD011
#define PTP_DPC_CANON_FocusingPoint     0xD012
#define PTP_DPC_CANON_WhiteBalance      0xD013
#define PTP_DPC_CANON_ISOSpeed          0xD01C
#define PTP_DPC_CANON_Aperture          0xD01D
#define PTP_DPC_CANON_ShutterSpeed      0xD01E
#define PTP_DPC_CANON_ExpCompensation   0xD01F

        /* capture data type (?) */
#define PTP_DPC_CANON_D029              0xD029
#define PTP_DPC_CANON_Zoom              0xD02A
#define PTP_DPC_CANON_SizeQualityMode   0xD02C
#define PTP_DPC_CANON_FirmwareVersion   0xD031
#define PTP_DPC_CANON_CameraModel       0xD032
#define PTP_DPC_CANON_CameraOwner       0xD033
#define PTP_DPC_CANON_UnixTime          0xD034
#define PTP_DPC_CANON_DZoomMagnification        0xD039
#define PTP_DPC_CANON_PhotoEffect       0xD040
#define PTP_DPC_CANON_AssistLight       0xD041
#define PTP_DPC_CANON_D045              0xD045
#define PTP_DPC_CANON_AverageFilesizes  0xD048

/* Nikon extension device property codes */
#define PTP_DPC_NIKON_ShootingBank                      0xD010
#define PTP_DPC_NIKON_ShootingBankNameA                 0xD011
#define PTP_DPC_NIKON_ShootingBankNameB                 0xD012
#define PTP_DPC_NIKON_ShootingBankNameC                 0xD013
#define PTP_DPC_NIKON_ShootingBankNameD                 0xD014
#define PTP_DPC_NIKON_RawCompression                    0xD016
#define PTP_DPC_NIKON_WhiteBalanceAutoBias              0xD017
#define PTP_DPC_NIKON_WhiteBalanceTungstenBias          0xD018
#define PTP_DPC_NIKON_WhiteBalanceFlourescentBias       0xD019
#define PTP_DPC_NIKON_WhiteBalanceDaylightBias          0xD01A
#define PTP_DPC_NIKON_WhiteBalanceFlashBias             0xD01B
#define PTP_DPC_NIKON_WhiteBalanceCloudyBias            0xD01C
#define PTP_DPC_NIKON_WhiteBalanceShadeBias             0xD01D
#define PTP_DPC_NIKON_WhiteBalanceColorTemperature      0xD01E
#define PTP_DPC_NIKON_ImageSharpening                   0xD02A
#define PTP_DPC_NIKON_ToneCompensation                  0xD02B
#define PTP_DPC_NIKON_ColorModel                        0xD02C
#define PTP_DPC_NIKON_HueAdjustment                     0xD02D
#define PTP_DPC_NIKON_NonCPULensDataFocalLength         0xD02E
#define PTP_DPC_NIKON_NonCPULensDataMaximumAperture     0xD02F
#define PTP_DPC_NIKON_CSMMenuBankSelect                 0xD040
#define PTP_DPC_NIKON_MenuBankNameA                     0xD041
#define PTP_DPC_NIKON_MenuBankNameB                     0xD042
#define PTP_DPC_NIKON_MenuBankNameC                     0xD043
#define PTP_DPC_NIKON_MenuBankNameD                     0xD044
#define PTP_DPC_NIKON_A1AFCModePriority                 0xD048
#define PTP_DPC_NIKON_A2AFSModePriority                 0xD049
#define PTP_DPC_NIKON_A3GroupDynamicAF                  0xD04A
#define PTP_DPC_NIKON_A4AFActivation                    0xD04B
#define PTP_DPC_NIKON_A5FocusAreaIllumManualFocus       0xD04C
#define PTP_DPC_NIKON_FocusAreaIllumContinuous          0xD04D
#define PTP_DPC_NIKON_FocusAreaIllumWhenSelected        0xD04E
#define PTP_DPC_NIKON_FocusAreaWrap                     0xD04F
#define PTP_DPC_NIKON_A7VerticalAFON                    0xD050
#define PTP_DPC_NIKON_ISOAuto                           0xD054
#define PTP_DPC_NIKON_B2ISOStep                         0xD055
#define PTP_DPC_NIKON_EVStep                            0xD056
#define PTP_DPC_NIKON_B4ExposureCompEv                  0xD057
#define PTP_DPC_NIKON_ExposureCompensation              0xD058
#define PTP_DPC_NIKON_CenterWeightArea                  0xD059
#define PTP_DPC_NIKON_AELockMode                        0xD05E
#define PTP_DPC_NIKON_AELAFLMode                        0xD05F
#define PTP_DPC_NIKON_MeterOff                          0xD062
#define PTP_DPC_NIKON_SelfTimer                         0xD063
#define PTP_DPC_NIKON_MonitorOff                        0xD064
#define PTP_DPC_NIKON_D1ShootingSpeed                   0xD068
#define PTP_DPC_NIKON_D2MaximumShots                    0xD069
#define PTP_DPC_NIKON_D3ExpDelayMode                    0xD06A
#define PTP_DPC_NIKON_LongExposureNoiseReduction        0xD06B
#define PTP_DPC_NIKON_FileNumberSequence                0xD06C
#define PTP_DPC_NIKON_D6ControlPanelFinderRearControl   0xD06D
#define PTP_DPC_NIKON_ControlPanelFinderViewfinder      0xD06E
#define PTP_DPC_NIKON_D7Illumination                    0xD06F
#define PTP_DPC_NIKON_E1FlashSyncSpeed                  0xD074
#define PTP_DPC_NIKON_FlashShutterSpeed                 0xD075
#define PTP_DPC_NIKON_E3AAFlashMode                     0xD076
#define PTP_DPC_NIKON_E4ModelingFlash                   0xD077
#define PTP_DPC_NIKON_BracketSet                        0xD078
#define PTP_DPC_NIKON_E6ManualModeBracketing            0xD079  
#define PTP_DPC_NIKON_BracketOrder                      0xD07A
#define PTP_DPC_NIKON_E8AutoBracketSelection            0xD07B
#define PTP_DPC_NIKON_F1CenterButtonShootingMode        0xD080
#define PTP_DPC_NIKON_CenterButtonPlaybackMode          0xD081
#define PTP_DPC_NIKON_F2Multiselector                   0xD082
#define PTP_DPC_NIKON_F3PhotoInfoPlayback               0xD083
#define PTP_DPC_NIKON_F4AssignFuncButton                0xD084
#define PTP_DPC_NIKON_F5CustomizeCommDials              0xD085
#define PTP_DPC_NIKON_ReverseCommandDial                0xD086
#define PTP_DPC_NIKON_ApertureSetting                   0xD087
#define PTP_DPC_NIKON_MenusAndPlayback                  0xD088
#define PTP_DPC_NIKON_F6ButtonsAndDials                 0xD089
#define PTP_DPC_NIKON_NoCFCard                          0xD08A
#define PTP_DPC_NIKON_ImageCommentString                0xD090
#define PTP_DPC_NIKON_ImageCommentAttach                0xD091
#define PTP_DPC_NIKON_ImageRotation                     0xD092
#define PTP_DPC_NIKON_Bracketing                        0xD0C0
#define PTP_DPC_NIKON_ExposureBracketingIntervalDist    0xD0C1
#define PTP_DPC_NIKON_BracketingProgram                 0xD0C2
#define PTP_DPC_NIKON_LensID                            0xD0E0
#define PTP_DPC_NIKON_FocalLengthMin                    0xD0E3
#define PTP_DPC_NIKON_FocalLengthMax                    0xD0E4
#define PTP_DPC_NIKON_MaxApAtMinFocalLength             0xD0E5
#define PTP_DPC_NIKON_MaxApAtMaxFocalLength             0xD0E6
#define PTP_DPC_NIKON_ExposureTime                      0xD100
#define PTP_DPC_NIKON_MaximumShots                      0xD103
#define PTP_DPC_NIKON_AutoExposureLock                  0xD105
#define PTP_DPC_NIKON_AutoFocusLock                     0xD106
#define PTP_DPC_NIKON_AutofocusLCDTopMode2              0xD107
#define PTP_DPC_NIKON_AutofocusArea                     0xD108
#define PTP_DPC_NIKON_LightMeter                        0xD10A
#define PTP_DPC_NIKON_CameraOrientation                 0xD10E
#define PTP_DPC_NIKON_ExposureApertureLock              0xD111
#define PTP_DPC_NIKON_FlashExposureCompensation         0xD126
#define PTP_DPC_NIKON_OptimizeImage                     0xD140
#define PTP_DPC_NIKON_Saturation                        0xD142
#define PTP_DPC_NIKON_BeepOff                           0xD160
#define PTP_DPC_NIKON_AutofocusMode                     0xD161
#define PTP_DPC_NIKON_AFAssist                          0xD163
#define PTP_DPC_NIKON_PADVPMode                         0xD164
#define PTP_DPC_NIKON_ImageReview                       0xD165
#define PTP_DPC_NIKON_AFAreaIllumination                0xD166
#define PTP_DPC_NIKON_FlashMode                         0xD167
#define PTP_DPC_NIKON_FlashCommanderMode                0xD168
#define PTP_DPC_NIKON_FlashSign                         0xD169
#define PTP_DPC_NIKON_RemoteTimeout                     0xD16B
#define PTP_DPC_NIKON_GridDisplay                       0xD16C
#define PTP_DPC_NIKON_FlashModeManualPower              0xD16D
#define PTP_DPC_NIKON_FlashModeCommanderPower           0xD16E
#define PTP_DPC_NIKON_CSMMenu                           0xD180
#define PTP_DPC_NIKON_BracketingFramesAndSteps          0xD190
#define PTP_DPC_NIKON_LowLight                          0xD1B0
#define PTP_DPC_NIKON_FlashOpen                         0xD1C0
#define PTP_DPC_NIKON_FlashCharged                      0xD1C1

/* Microsoft/MTP specific */
#define PTP_DPC_MTP_SecureTime                          0xD101
#define PTP_DPC_MTP_DeviceCertificate                   0xD102
#define PTP_DPC_MTP_SynchronizationPartner              0xD401
#define PTP_DPC_MTP_DeviceFriendlyName                  0xD402
#define PTP_DPC_MTP_VolumeLevel                         0xD403
#define PTP_DPC_MTP_DeviceIcon                          0xD405
#define PTP_DPC_MTP_PlaybackRate                        0xD410
#define PTP_DPC_MTP_PlaybackObject                      0xD411
#define PTP_DPC_MTP_PlaybackContainerIndex              0xD412
#define PTP_DPC_MTP_PlaybackPosition                    0xD413

/* MTP specific Object Properties */
#define PTP_OPC_StorageID                               0xDC01
#define PTP_OPC_ObjectFormat                            0xDC02
#define PTP_OPC_ProtectionStatus                        0xDC03
#define PTP_OPC_ObjectSize                              0xDC04
#define PTP_OPC_AssociationType                         0xDC05
#define PTP_OPC_AssociationDesc                         0xDC06
#define PTP_OPC_ObjectFileName                          0xDC07
#define PTP_OPC_DateCreated                             0xDC08
#define PTP_OPC_DateModified                            0xDC09
#define PTP_OPC_Keywords                                0xDC0A
#define PTP_OPC_ParentObject                            0xDC0B
#define PTP_OPC_PersistantUniqueObjectIdentifier        0xDC41
#define PTP_OPC_SyncID                                  0xDC42
#define PTP_OPC_PropertyBag                             0xDC43
#define PTP_OPC_Name                                    0xDC44
#define PTP_OPC_CreatedBy                               0xDC45
#define PTP_OPC_Artist                                  0xDC46
#define PTP_OPC_DateAuthored                            0xDC47
#define PTP_OPC_Description                             0xDC48
#define PTP_OPC_URLReference                            0xDC49
#define PTP_OPC_LanguageLocale                          0xDC4A
#define PTP_OPC_CopyrightInformation                    0xDC4B
#define PTP_OPC_Source                                  0xDC4C
#define PTP_OPC_OriginLocation                          0xDC4D
#define PTP_OPC_DateAdded                               0xDC4E
#define PTP_OPC_NonConsumable                           0xDC4F
#define PTP_OPC_CorruptOrUnplayable                     0xDC50
#define PTP_OPC_RepresentativeSampleFormat              0xDC81
#define PTP_OPC_RepresentativeSampleSize                0xDC82
#define PTP_OPC_RepresentativeSampleHeight              0xDC83
#define PTP_OPC_RepresentativeSampleWidth               0xDC84
#define PTP_OPC_RepresentativeSampleDuration            0xDC85
#define PTP_OPC_RepresentativeSampleData                0xDC86
#define PTP_OPC_Width                                   0xDC87
#define PTP_OPC_Height                                  0xDC88
#define PTP_OPC_Duration                                0xDC89
#define PTP_OPC_Rating                                  0xDC8A
#define PTP_OPC_Track                                   0xDC8B
#define PTP_OPC_Genre                                   0xDC8C
#define PTP_OPC_Credits                                 0xDC8D
#define PTP_OPC_Lyrics                                  0xDC8E
#define PTP_OPC_SubscriptionContentID                   0xDC8F
#define PTP_OPC_ProducedBy                              0xDC90
#define PTP_OPC_UseCount                                0xDC91
#define PTP_OPC_SkipCount                               0xDC92
#define PTP_OPC_LastAccessed                            0xDC93
#define PTP_OPC_ParentalRating                          0xDC94
#define PTP_OPC_MetaGenre                               0xDC95
#define PTP_OPC_Composer                                0xDC96
#define PTP_OPC_EffectiveRating                         0xDC97
#define PTP_OPC_Subtitle                                0xDC98
#define PTP_OPC_OriginalReleaseDate                     0xDC99
#define PTP_OPC_AlbumName                               0xDC9A
#define PTP_OPC_AlbumArtist                             0xDC9B
#define PTP_OPC_Mood                                    0xDC9C
#define PTP_OPC_DRMStatus                               0xDC9D
#define PTP_OPC_SubDescription                          0xDC9E
#define PTP_OPC_IsCropped                               0xDCD1
#define PTP_OPC_IsColorCorrected                        0xDCD2
#define PTP_OPC_TotalBitRate                            0xDE91
#define PTP_OPC_BitRateType                             0xDE92
#define PTP_OPC_SampleRate                              0xDE93
#define PTP_OPC_NumberOfChannels                        0xDE94
#define PTP_OPC_AudioBitDepth                           0xDE95
#define PTP_OPC_ScanDepth                               0xDE97
#define PTP_OPC_AudioWAVECodec                          0xDE99
#define PTP_OPC_AudioBitRate                            0xDE9A
#define PTP_OPC_VideoFourCCCodec                        0xDE9B
#define PTP_OPC_VideoBitRate                            0xDE9C
#define PTP_OPC_FramesPerThousandSeconds                0xDE9D
#define PTP_OPC_KeyFrameDistance                        0xDE9E
#define PTP_OPC_BufferSize                              0xDE9F
#define PTP_OPC_EncodingQuality                         0xDEA0

/* Device Property Form Flag */

#define PTP_DPFF_None                   0x00
#define PTP_DPFF_Range                  0x01
#define PTP_DPFF_Enumeration            0x02

/* Object Property Codes used by MTP (first 3 are same as DPFF codes) */
#define PTP_OPFF_None                   0x00
#define PTP_OPFF_Range                  0x01
#define PTP_OPFF_Enumeration            0x02
#define PTP_OPFF_DateTime               0x03
#define PTP_OPFF_FixedLengthArray       0x04
#define PTP_OPFF_RegularExpression      0x05
#define PTP_OPFF_ByteArray              0x06
#define PTP_OPFF_LongString             0xFF

/* Device Property GetSet type */
#define PTP_DPGS_Get                    0x00
#define PTP_DPGS_GetSet                 0x01

/* Glue stuff starts here */

typedef struct _PTPParams PTPParams;

/* raw write functions */
typedef short (* PTPIOReadFunc) (unsigned char *bytes, unsigned int size,
                                 void *data, unsigned int *readlen);
typedef short (* PTPIOWriteFunc)(unsigned char *bytes, unsigned int size,
                                 void *data);
/*
 * This functions take PTP oriented arguments and send them over an
 * appropriate data layer doing byteorder conversion accordingly.
 */
typedef uint16_t (* PTPIOSendReq)       (PTPParams* params, PTPContainer* req);
typedef uint16_t (* PTPIOSendData)      (PTPParams* params, PTPContainer* ptp,
                                         unsigned char *data, unsigned int size,
                                         int from_fd);
typedef uint16_t (* PTPIOGetResp)       (PTPParams* params, PTPContainer* resp);
typedef uint16_t (* PTPIOGetData)       (PTPParams* params, PTPContainer* ptp,
                                        unsigned char **data, unsigned int *recvlen,
                                        int to_fd);
/* debug functions */
typedef void (* PTPErrorFunc) (void *data, const char *format, va_list args)
#if (__GNUC__ >= 3)
        __attribute__((__format__(printf,2,0)))
#endif
;
typedef void (* PTPDebugFunc) (void *data, const char *format, va_list args)
#if (__GNUC__ >= 3)
        __attribute__((__format__(printf,2,0)))
#endif
;

struct _PTPParams {
        /* data layer byteorder */
        uint8_t byteorder;

        /* Data layer IO functions */
        PTPIOReadFunc   read_func;
        PTPIOWriteFunc  write_func;
        PTPIOReadFunc   check_int_func;
        PTPIOReadFunc   check_int_fast_func;

        /* Custom IO functions */
        PTPIOSendReq    sendreq_func;
        PTPIOSendData   senddata_func;
        PTPIOGetResp    getresp_func;
        PTPIOGetData    getdata_func;
        PTPIOGetResp    event_check;
        PTPIOGetResp    event_wait;

        /* Custom error and debug function */
        PTPErrorFunc error_func;
        PTPDebugFunc debug_func;

        /* Data passed to above functions */
        void *data;

        /* ptp transaction ID */
        uint32_t transaction_id;
        /* ptp session ID */
        uint32_t session_id;

        /* if we have MTP style split header/data transfers */
        int     split_header_data;

        /* internal structures used by ptp driver */
        PTPObjectHandles handles;
        PTPObjectInfo * objectinfo;
        PTPDeviceInfo deviceinfo;

        /* Wifi profiles */
        uint8_t  wifi_profiles_version;
        uint8_t  wifi_profiles_number;
        PTPNIKONWifiProfile *wifi_profiles;

        /* PTP/IP related data */
        int             cmdfd, evtfd;
        uint8_t         cameraguid[16];
        uint32_t        eventpipeid;
        char            *cameraname;

        /* iconv converters */
        iconv_t cd_locale_to_ucs2;
        iconv_t cd_ucs2_to_locale;
};

/* last, but not least - ptp functions */
uint16_t ptp_usb_sendreq        (PTPParams* params, PTPContainer* req);
uint16_t ptp_usb_senddata       (PTPParams* params, PTPContainer* ptp,
                                 unsigned char *data, unsigned int size,
                                 int from_fd);
uint16_t ptp_usb_getresp        (PTPParams* params, PTPContainer* resp);
uint16_t ptp_usb_getdata        (PTPParams* params, PTPContainer* ptp, 
                                 unsigned char **data, unsigned int *readlen,
                                 int to_fd);
uint16_t ptp_usb_event_check    (PTPParams* params, PTPContainer* event);
uint16_t ptp_usb_event_wait     (PTPParams* params, PTPContainer* event);

int      ptp_ptpip_connect      (PTPParams* params, const char *port);
uint16_t ptp_ptpip_sendreq      (PTPParams* params, PTPContainer* req);
uint16_t ptp_ptpip_senddata     (PTPParams* params, PTPContainer* ptp,
                                unsigned char *data, unsigned int size,
                                int to_fd);
uint16_t ptp_ptpip_getresp      (PTPParams* params, PTPContainer* resp);
uint16_t ptp_ptpip_getdata      (PTPParams* params, PTPContainer* ptp, 
                                 unsigned char **data, unsigned int *readlen,
                                 int to_fd);
uint16_t ptp_ptpip_event_wait   (PTPParams* params, PTPContainer* event);
uint16_t ptp_ptpip_event_check  (PTPParams* params, PTPContainer* event);

uint16_t ptp_getdeviceinfo      (PTPParams* params, PTPDeviceInfo* deviceinfo);

uint16_t ptp_opensession        (PTPParams *params, uint32_t session);
uint16_t ptp_closesession       (PTPParams *params);

uint16_t ptp_getstorageids      (PTPParams* params, PTPStorageIDs* storageids);
uint16_t ptp_getstorageinfo     (PTPParams* params, uint32_t storageid,
                                PTPStorageInfo* storageinfo);

uint16_t ptp_getobjecthandles   (PTPParams* params, uint32_t storage,
                                uint32_t objectformatcode,
                                uint32_t associationOH,
                                PTPObjectHandles* objecthandles);

uint16_t ptp_getnumobjects      (PTPParams* params, uint32_t storage,
                                uint32_t objectformatcode,
                                uint32_t associationOH,
                                uint32_t* numobs);

uint16_t ptp_getobjectinfo      (PTPParams *params, uint32_t handle,
                                PTPObjectInfo* objectinfo);

uint16_t ptp_getobject          (PTPParams *params, uint32_t handle,
                                unsigned char** object);
uint16_t ptp_getobject_tofd     (PTPParams* params, uint32_t handle, int fd);
uint16_t ptp_getpartialobject   (PTPParams* params, uint32_t handle, uint32_t offset,
                                uint32_t maxbytes, unsigned char** object);
uint16_t ptp_getthumb           (PTPParams *params, uint32_t handle,
                                unsigned char** object);

uint16_t ptp_deleteobject       (PTPParams* params, uint32_t handle,
                                uint32_t ofc);

uint16_t ptp_sendobjectinfo     (PTPParams* params, uint32_t* store,
                                uint32_t* parenthandle, uint32_t* handle,
                                PTPObjectInfo* objectinfo);
uint16_t ptp_sendobject         (PTPParams* params, unsigned char* object,
                                 uint32_t size);
uint16_t ptp_sendobject_fromfd  (PTPParams* params, int fd, uint32_t size);

uint16_t ptp_initiatecapture    (PTPParams* params, uint32_t storageid,
                                uint32_t ofc);

uint16_t ptp_getdevicepropdesc  (PTPParams* params, uint16_t propcode,
                                PTPDevicePropDesc *devicepropertydesc);
uint16_t ptp_getdevicepropvalue (PTPParams* params, uint16_t propcode,
                                PTPPropertyValue* value, uint16_t datatype);
uint16_t ptp_setdevicepropvalue (PTPParams* params, uint16_t propcode,
                                PTPPropertyValue* value, uint16_t datatype);

uint16_t ptp_mtp_getobjectpropdesc (PTPParams* params, uint16_t opc, uint16_t ofc,
                                PTPObjectPropDesc *objectpropertydesc);
uint16_t ptp_mtp_getobjectpropvalue (PTPParams* params, uint32_t oid, uint16_t opc, 
                                PTPPropertyValue *value, uint16_t datatype);
uint16_t ptp_mtp_setobjectpropvalue (PTPParams* params, uint32_t oid, uint16_t opc,
                                PTPPropertyValue *value, uint16_t datatype);
uint16_t ptp_mtp_getobjectreferences (PTPParams* params, uint32_t handle, uint32_t** ohArray, uint32_t* arraylen);
uint16_t ptp_mtp_setobjectreferences (PTPParams* params, uint32_t handle, uint32_t* ohArray, uint32_t arraylen);


/* Eastman Kodak extensions */
uint16_t ptp_ek_9007 (PTPParams* params, unsigned char **serial, unsigned int *size);
uint16_t ptp_ek_9009 (PTPParams* params, uint32_t*, uint32_t*);
uint16_t ptp_ek_900c (PTPParams* params, unsigned char **serial, unsigned int *size);
uint16_t ptp_ek_getserial (PTPParams* params, unsigned char **serial, unsigned int *size);
uint16_t ptp_ek_setserial (PTPParams* params, unsigned char *serial, uint32_t size);
uint16_t ptp_ek_settext (PTPParams* params, PTPEKTextParams *text);
uint16_t ptp_ek_sendfileobjectinfo (PTPParams* params, uint32_t* store,
                                uint32_t* parenthandle, uint32_t* handle,
                                PTPObjectInfo* objectinfo);
uint16_t ptp_ek_sendfileobject  (PTPParams* params, unsigned char* object,
                                uint32_t size);

/* Canon PTP extensions */
uint16_t ptp_canon_9012 (PTPParams* params);
uint16_t ptp_canon_getobjectsize (PTPParams* params, uint32_t handle,
                                uint32_t p2, uint32_t* size, uint32_t* rp2);

uint16_t ptp_canon_startshootingmode (PTPParams* params);
uint16_t ptp_canon_endshootingmode (PTPParams* params);

uint16_t ptp_canon_viewfinderon (PTPParams* params);
uint16_t ptp_canon_viewfinderoff (PTPParams* params);

uint16_t ptp_canon_reflectchanges (PTPParams* params, uint32_t p1);
uint16_t ptp_canon_checkevent (PTPParams* params, 
                                PTPUSBEventContainer* event, int* isevent);
uint16_t ptp_canon_focuslock (PTPParams* params);
uint16_t ptp_canon_focusunlock (PTPParams* params);
uint16_t ptp_canon_initiatecaptureinmemory (PTPParams* params);
uint16_t ptp_canon_getpartialobject (PTPParams* params, uint32_t handle, 
                                uint32_t offset, uint32_t size,
                                uint32_t pos, unsigned char** block, 
                                uint32_t* readnum);
uint16_t ptp_canon_getviewfinderimage (PTPParams* params, unsigned char** image,
                                uint32_t* size);
uint16_t ptp_canon_getchanges (PTPParams* params, uint16_t** props,
                                uint32_t* propnum); 
uint16_t ptp_canon_getfolderentries (PTPParams* params, uint32_t store,
                                uint32_t p2, uint32_t parenthandle,
                                uint32_t handle, 
                                PTPCANONFolderEntry** entries,
                                uint32_t* entnum);
uint16_t ptp_canon_theme_download (PTPParams* params, uint32_t themenr,
                                unsigned char **data, unsigned int *size);

uint16_t ptp_nikon_curve_download (PTPParams* params, 
                                unsigned char **data, unsigned int *size);
uint16_t ptp_nikon_getptpipinfo (PTPParams* params, unsigned char **data, unsigned int *size);
uint16_t ptp_nikon_getwifiprofilelist (PTPParams* params);
uint16_t ptp_nikon_writewifiprofile (PTPParams* params, PTPNIKONWifiProfile* profile);
uint16_t ptp_nikon_deletewifiprofile (PTPParams* params, uint32_t profilenr);
uint16_t ptp_nikon_setcontrolmode (PTPParams* params, uint32_t mode);
uint16_t ptp_nikon_capture (PTPParams* params, uint32_t x);
uint16_t ptp_nikon_check_event (PTPParams* params, PTPUSBEventContainer **evt, int *evtcnt);
uint16_t ptp_nikon_getfileinfoinblock (PTPParams* params, uint32_t p1, uint32_t p2, uint32_t p3,
                                        unsigned char **data, unsigned int *size);
uint16_t ptp_nikon_device_ready (PTPParams* params);
uint16_t ptp_mtp_getobjectpropssupported (PTPParams* params, uint16_t ofc, uint32_t *propnum, uint16_t **props);

/* Non PTP protocol functions */
int ptp_operation_issupported   (PTPParams* params, uint16_t operation);
int ptp_event_issupported       (PTPParams* params, uint16_t event);
int ptp_property_issupported    (PTPParams* params, uint16_t property);

void ptp_free_devicepropdesc    (PTPDevicePropDesc* dpd);
void ptp_free_devicepropvalue   (uint16_t dt, PTPPropertyValue* dpd);
void ptp_free_objectpropdesc    (PTPObjectPropDesc* dpd);
void ptp_perror                 (PTPParams* params, uint16_t error);

const char*
ptp_get_property_description(PTPParams* params, uint16_t dpc);

int
ptp_render_property_value(PTPParams* params, uint16_t dpc,
                          PTPDevicePropDesc *dpd, int length, char *out);
int ptp_render_ofc(PTPParams* params, uint16_t ofc, int spaceleft, char *txt);
int ptp_render_mtp_propname(uint16_t propid, int spaceleft, char *txt);

/* ptpip.c */
void ptp_nikon_getptpipguid (unsigned char* guid);
#endif /* __PTP_H__ */

---