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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 1999-2002 David Hodson <hodsond@acm.org>. */
/** \file
* \ingroup imbcineon
*
* DPX image file format library definitions.
*/
#pragma once
#include <math.h>
#include "logImageCore.h"
#ifdef __cplusplus
extern "C" {
#endif
#define DPX_FILE_MAGIC 0x53445058
#define DPX_UNDEFINED_U8 0xFF
#define DPX_UNDEFINED_U16 0xFFFF
#define DPX_UNDEFINED_U32 0xFFFFFFFF
#define DPX_UNDEFINED_R32 NAN
#define IS_DPX_UNDEFINED_R32(x) isnan(x)
#define DPX_UNDEFINED_CHAR 0
typedef struct {
unsigned int magic_num;
unsigned int offset;
char version[8];
unsigned int file_size;
unsigned int ditto_key;
unsigned int gen_hdr_size;
unsigned int ind_hdr_size;
unsigned int user_data_size;
char file_name[100];
char creation_date[24];
char creator[100];
char project[200];
char copyright[200];
unsigned int key;
char reserved[104];
} DpxFileHeader;
typedef struct {
unsigned int data_sign;
unsigned int ref_low_data;
float ref_low_quantity;
unsigned int ref_high_data;
float ref_high_quantity;
unsigned char descriptor;
unsigned char transfer;
unsigned char colorimetric;
unsigned char bits_per_sample;
unsigned short packing;
unsigned short encoding;
unsigned int data_offset;
unsigned int line_padding;
unsigned int element_padding;
char description[32];
} DpxElementHeader;
typedef struct {
unsigned short orientation;
unsigned short elements_per_image;
unsigned int pixels_per_line;
unsigned int lines_per_element;
DpxElementHeader element[8];
char reserved[52];
} DpxImageHeader;
typedef struct {
unsigned int x_offset;
unsigned int y_offset;
float x_center;
float y_center;
unsigned int x_original_size;
unsigned int y_original_size;
char file_name[100];
char creation_time[24];
char input_device[32];
char input_serial_number[32];
unsigned short border_validity[4];
unsigned int pixel_aspect_ratio[2];
char reserved[28];
} DpxOrientationHeader;
typedef struct {
char film_manufacturer_id[2];
char film_type[2];
char edge_code_perforation_offset[2];
char edge_code_prefix[6];
char edge_code_count[4];
char film_format[32];
unsigned int frame_position;
unsigned int sequence_length;
unsigned int held_count;
float frame_rate;
float shutter_angle;
char frame_identification[32];
char slate_info[100];
char reserved[56];
} DpxFilmHeader;
typedef struct {
unsigned int time_code;
unsigned int user_bits;
unsigned char interlace;
unsigned char field_number;
unsigned char video_signal;
unsigned char padding;
float horizontal_sample_rate;
float vertical_sample_rate;
float frame_rate;
float time_offset;
float gamma;
float black_level;
float black_gain;
float breakpoint;
float white_level;
float integration_times;
unsigned char reserved[76];
} DpxTelevisionHeader;
typedef struct {
DpxFileHeader fileHeader;
DpxImageHeader imageHeader;
DpxOrientationHeader orientationHeader;
DpxFilmHeader filmHeader;
DpxTelevisionHeader televisionHeader;
} DpxMainHeader;
void dpxSetVerbose(int verbosity);
LogImageFile *dpxOpen(const unsigned char *byteStuff, int fromMemory, size_t bufferSize);
LogImageFile *dpxCreate(const char *filename,
int width,
int height,
int bitsPerSample,
int hasAlpha,
int isLogarithmic,
int referenceWhite,
int referenceBlack,
float gamma,
const char *creator);
#ifdef __cplusplus
}
#endif
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