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/*
* Cineon image file format library definitions.
* Dpx file format structures.
*
* This header file contains private details.
* User code should generally use cineonlib.h only.
*
* Copyright 1999,2000,2001 David Hodson <hodsond@acm.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef _DPX_FILE_H_
#define _DPX_FILE_H_
#include "logImageCore.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
U32 magic_num; /* magic number */
U32 offset; /* offset to image data in bytes */
ASCII vers[8]; /* which header format version is being used (v1.0) */
U32 file_size; /* file size in bytes */
U32 ditto_key; /* I bet some people use this */
U32 gen_hdr_size; /* generic header length in bytes */
U32 ind_hdr_size; /* industry header length in bytes */
U32 user_data_size; /* user-defined data length in bytes */
ASCII file_name[100]; /* image file name */
ASCII create_date[24]; /* file creation date, yyyy:mm:dd:hh:mm:ss:LTZ */
ASCII creator[100];
ASCII project[200];
ASCII copyright[200];
U32 key; /* encryption key, FFFFFFF = unencrypted */
ASCII Reserved[104]; /* reserved field TBD (need to pad) */
} DpxFileInformation;
typedef struct {
U32 signage;
U32 ref_low_data; /* reference low data code value */
R32 ref_low_quantity; /* reference low quantity represented */
U32 ref_high_data; /* reference high data code value */
R32 ref_high_quantity;/* reference high quantity represented */
U8 designator1;
U8 transfer_characteristics;
U8 colourimetry;
U8 bits_per_pixel;
U16 packing;
U16 encoding;
U32 data_offset;
U32 line_padding;
U32 channel_padding;
ASCII description[32];
} DpxChannelInformation;
typedef struct {
U16 orientation;
U16 channels_per_image;
U32 pixels_per_line;
U32 lines_per_image;
DpxChannelInformation channel[8];
ASCII reserved[52];
} DpxImageInformation;
typedef struct {
U32 x_offset;
U32 y_offset;
R32 x_centre;
R32 y_centre;
U32 x_original_size;
U32 y_original_size;
ASCII file_name[100];
ASCII creation_time[24];
ASCII input_device[32];
ASCII input_serial_number[32];
U16 border_validity[4];
U32 pixel_aspect_ratio[2]; /* h:v */
ASCII reserved[28];
} DpxOriginationInformation;
typedef struct {
ASCII film_manufacturer_id[2];
ASCII film_type[2];
ASCII edge_code_perforation_offset[2];
ASCII edge_code_prefix[6];
ASCII edge_code_count[4];
ASCII film_format[32];
U32 frame_position;
U32 sequence_length;
U32 held_count;
R32 frame_rate;
R32 shutter_angle;
ASCII frame_identification[32];
ASCII slate_info[100];
ASCII reserved[56];
} DpxMPIInformation;
typedef struct {
DpxFileInformation fileInfo;
DpxImageInformation imageInfo;
DpxOriginationInformation originInfo;
DpxMPIInformation filmHeader;
} DpxMainHeader;
#ifdef __cplusplus
}
#endif
#endif /* _DPX_FILE_H_ */
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