mm-image-codec/qexif/qmpo.h

/*Copyright (c) 2015, The Linux Foundation. All rights reserved.

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#ifndef __QMPO_H__
#define __QMPO_H__

#include <stdio.h>
#include <qexif.h>

//Length of MPO header fields
#define MP_APP2_FIELD_LENGTH_BYTES 2
#define MP_FORMAT_IDENTIFIER_BYTES 4
#define MP_ENDIAN_BYTES 4
#define MP_HEADER_OFFSET_TO_FIRST_IFD_BYTES 4
#define MP_INDEX_COUNT_BYTES 2
#define MP_INDEX_VERSION_BYTES 12
#define MP_INDEX_NUMBER_OF_IMAGES_BYTES 12
#define MP_INDEX_ENTRY_BYTES 12
#define MP_INDEX_IMAGE_UNIQUE_ID_LIST_BYTES 12
#define MP_INDEX_TOTAL_CAPURED_FRAMES 12
#define MP_INDEX_OFFSET_OF_NEXT_IFD_BYTES 4
#define MP_INDEX_ENTRY_VALUE_BYTES 16
#define MP_INDEX_ENTRY_INDIVIDUAL_IMAGE_ATTRIBUTE_BYTES 4
#define MP_INDEX_ENTRY_INDIVIDUAL_IMAGE_SIZE_BYTES 4
#define MP_INDEX_ENTRY_INDIVIDUAL_IMAGE_DATA_OFFSET_BYTES 4
#define MP_ATTRIBUTE_COUNT_BYTES 2
#define MP_ATTRIBUTE_OFFSET_OF_NEXT_IFD_BYTES 4
#define MP_TAG_BYTES 12
#define MP_INDIVIDUAL_IMAGE_ID_BYTES 33
#define MP_INDEX_IFD_START 2

#define MPO_BIG_ENDIAN 0x4D4D002A
#define MPO_LITTLE_ENDIAN 0x49492A00

/* MPO Dependent Type */
typedef enum
{
   NON_DEPENDENT_IMAGE    = 0x00000000,   // Non dependent image
   DEPENDENT_CHILD_IMAGE  = 0x40000000,   // Dependent child image flag
   DEPENDENT_PARENT_IMAGE = 0x80000000,   // Dependent parent image flag
   DEPENDENT_MASK         = 0xc0000000,   // Dependent mask
   DEPENDENT_MAX,
} qmpo_dependent_t;

/* MPO Representative Type */
typedef enum
{
  NOT_REPRESENTATIVE_IMAGE = 0x00000000,   // Not a representative image
  REPRESENTATIVE_IMAGE     = 0x20000000,   // Representative image flag
  REPRESENTATIVE_MASK      = 0x20000000,   // Representative mask
  REPRESENTATIVE_MAX,
} qmpo_representative_t;

/* MPO Image Data Format Type */
typedef enum
{
  JPEG                   = 0x00000000,   // Image is in JPEG format
  NON_JPEG               = 0x07000000,   // Image is not JPEG
  IMAGE_DATA_FORMAT_MASK = 0x07000000,   // Image mask
  IMAGE_DATA_FORMAT_MAX,
} qmpo_image_data_format_t;

/* MPO Type */
typedef enum
{
  UNDEFINED              = 0x00000000,   // MP types undefined
  LARGE_TN_CLASS_1       = 0x00010001,   // Large thumbnail class 1 image
  LARGE_TN_CLASS_2       = 0x00010002,   // Large thumbnail class 2 image
  MULTI_VIEW_PANORAMA    = 0x00020001,   // Multi-view Panorama image
  MULTI_VIEW_DISPARITY   = 0x00020002,   // Multi-view Disparity image
  MULTI_VIEW_MULTI_ANGLE = 0x00020003,   // Multi-view Multi-angle image
  BASELINE_PRIMARY       = 0x00030000,   // Baseline MP Primary image
  TYPE_MASK              = 0x00ffffff,   // Type mask
  TYPE_MAX,
} qmpo_type_t;

// MP Format Version
// Use MPOTAGTYPE_MP_F_VERSION as the exif_tag_type (EXIF_UNDEFINED)
// Count should be 4
#define _ID_MP_F_VERSION_FIRST           0xb000
#define MPOTAGID_MP_F_VERSION_FIRST      CONSTRUCT_TAGID(MP_F_VERSION_FIRST, _ID_MP_F_VERSION_FIRST)
#define MPOTAGTYPE_MP_F_VERSION_FIRST    EXIF_UNDEFINED

// Number of Images
// Use MPOTAGTYPE_NUMBER_OF_IMAGES as the exif_tag_type (EXIF_LONG)
// Count should be 1
#define _ID_NUMBER_OF_IMAGES             0xb001
#define MPOTAGID_NUMBER_OF_IMAGES        CONSTRUCT_TAGID(NUMBER_OF_IMAGES, _ID_NUMBER_OF_IMAGES)
#define MPOTAGTYPE_NUMBER_OF_IMAGES      EXIF_LONG

// MP Entry
// Use MPOTAGTYPE_MP_ENTRY as the exif_tag_type (EXIF_UNDEFINED)
// Count should be 16 x NumberOfImages
#define _ID_MP_ENTRY                     0xb002
#define MPOTAGID_MP_ENTRY                CONSTRUCT_TAGID(MP_ENTRY, _ID_MP_ENTRY)
#define MPOTAGTYPE_MP_ENTRY              EXIF_UNDEFINED

// Individual Image Unique ID List
// Use MPOTAGTYPE_IMAGE_UID_LIST as the exif_tag_type (EXIF_UNDEFINED)
// Count should be 33 x NumberOfImages
#define _ID_IMAGE_UID_LIST               0xb003
#define MPOTAGID_IMAGE_UID_LIST          CONSTRUCT_TAGID(IMAGE_UID_LIST, _ID_IMAGE_UID_LIST)
#define MPOTAGTYPE_IMAGE_UID_LIST        EXIF_UNDEFINED

// Total Number of Camptured Frames
// Use MPOTAGTYPE_TOTAL_FRAMES as the exif_tag_type (EXIF_LONG)
// Count should be 1
#define _ID_TOTAL_FRAMES                 0xb004
#define MPOTAGID_TOTAL_FRAMES            CONSTRUCT_TAGID(TOTAL_FRAMES, _ID_TOTAL_FRAMES)
#define MPOTAGTYPE_TOTAL_FRAMES          EXIF_LONG

// MP Format Version
// Use MPOTAGTYPE_MP_F_VERSION as the exif_tag_type (EXIF_UNDEFINED)
// Count should be 4
#define _ID_MP_F_VERSION                 0xb000
#define MPOTAGID_MP_F_VERSION            CONSTRUCT_TAGID(MP_F_VERSION, _ID_MP_F_VERSION)
#define MPOTAGTYPE_MP_F_VERSION          EXIF_UNDEFINED

// MP Individual Image Number
// Use MPOTAGTYPE_MP_INDIVIDUAL_NUM as the exif_tag_type (EXIF_LONG)
// Count should be 1
#define _ID_MP_INDIVIDUAL_NUM            0xb101
#define MPOTAGID_MP_INDIVIDUAL_NUM       CONSTRUCT_TAGID(MP_INDIVIDUAL_NUM, _ID_MP_INDIVIDUAL_NUM)
#define MPOTAGTYPE_MP_INDIVIDUAL_NUM     EXIF_LONG

#endif