OpenJPEG  2.5.0
jp2k_decoder.h
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1 /*
2  * $Id$
3  *
4  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
5  * Copyright (c) 2002-2014, Professor Benoit Macq
6  * Copyright (c) 2010-2011, Kaori Hagihara
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
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30 
31 #ifndef JP2K_DECODER_H_
32 # define JP2K_DECODER_H_
33 
34 #include "byte_manager.h"
35 #include "ihdrbox_manager.h"
36 
37 Byte_t * j2k_to_pnm(const char *fn, ihdrbox_param_t **ihdrbox);
38 
39 #endif /* !JP2K_DECODER_H_ */
opj_set_error_handler
OPJ_BOOL OPJ_CALLCONV opj_set_error_handler(opj_codec_t *p_codec, opj_msg_callback p_callback, void *p_user_data)
Set the error handler use by openjpeg.
Definition: openjpeg.c:74
imagetopnm
static Byte_t * imagetopnm(opj_image_t *image, ihdrbox_param_t **ihdrbox)
Definition: jp2k_decoder.c:164
warning_callback
static void warning_callback(const char *msg, void *client_data)
sample warning callback expecting a FILE* client object
Definition: jp2k_decoder.c:148
opj_set_info_handler
OPJ_BOOL OPJ_CALLCONV opj_set_info_handler(opj_codec_t *p_codec, opj_msg_callback p_callback, void *p_user_data)
Set the info handler use by openjpeg.
Definition: openjpeg.c:44
opj_dparameters::DA_y1
OPJ_UINT32 DA_y1
Decoding area bottom boundary.
Definition: openjpeg.h:587
opj_image::numcomps
OPJ_UINT32 numcomps
number of components in the image
Definition: openjpeg.h:719
opj_setup_decoder
OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec, opj_dparameters_t *parameters)
Setup the decoder with decompression parameters provided by the user and with the message handler pro...
Definition: openjpeg.c:416
opj_image_comp::data
OPJ_INT32 * data
image component data
Definition: openjpeg.h:701
Byte_t
uint8_t Byte_t
Definition: byte_manager.h:37
opj_set_decode_area
OPJ_BOOL OPJ_CALLCONV opj_set_decode_area(opj_codec_t *p_codec, opj_image_t *p_image, OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, OPJ_INT32 p_end_x, OPJ_INT32 p_end_y)
Sets the given area to be decoded.
Definition: openjpeg.c:530
opj_stream_t
void * opj_stream_t
Definition: openjpeg.h:666
opj_codec_t
void * opj_codec_t
JPEG2000 codec V2.
Definition: openjpeg.h:618
info_callback
static void info_callback(const char *msg, void *client_data)
sample debug callback expecting no client object
Definition: jp2k_decoder.c:156
OPJ_SIZE_T
size_t OPJ_SIZE_T
Definition: openjpeg.h:139
opj_image_destroy
void OPJ_CALLCONV opj_image_destroy(opj_image_t *image)
Deallocate any resources associated with an image.
Definition: image.c:91
opj_image_comp::sgnd
OPJ_UINT32 sgnd
signed (1) / unsigned (0)
Definition: openjpeg.h:695
opj_dparameters::DA_x0
OPJ_UINT32 DA_x0
Decoding area left boundary.
Definition: openjpeg.h:581
j2k_to_pnm
Byte_t * j2k_to_pnm(const char *fn, ihdrbox_param_t **ihdrbox)
Definition: jp2k_decoder.c:46
opj_image_comp::h
OPJ_UINT32 h
data height
Definition: openjpeg.h:685
opj_image_comp::prec
OPJ_UINT32 prec
precision: number of bits per component per pixel
Definition: openjpeg.h:691
error_callback
static void error_callback(const char *msg, void *client_data)
sample error callback expecting a FILE* client object
Definition: jp2k_decoder.c:140
ihdrbox_param::width
Byte4_t width
Definition: ihdrbox_manager.h:41
opj_stream_create_default_file_stream
opj_stream_t *OPJ_CALLCONV opj_stream_create_default_file_stream(const char *fname, OPJ_BOOL p_is_read_stream)
Create a stream from a file identified with its filename with default parameters (helper function)
Definition: openjpeg.c:1077
OPJ_TRUE
#define OPJ_TRUE
Definition: openjpeg.h:117
openjpeg.h
opj_read_header
OPJ_BOOL OPJ_CALLCONV opj_read_header(opj_stream_t *p_stream, opj_codec_t *p_codec, opj_image_t **p_image)
Decodes an image header.
Definition: openjpeg.c:456
jp2k_decoder.h
opj_decode
OPJ_BOOL OPJ_CALLCONV opj_decode(opj_codec_t *p_codec, opj_stream_t *p_stream, opj_image_t *p_image)
Decode an image from a JPEG-2000 codestream.
Definition: openjpeg.c:509
ihdrbox_manager.h
opj_set_warning_handler
OPJ_BOOL OPJ_CALLCONV opj_set_warning_handler(opj_codec_t *p_codec, opj_msg_callback p_callback, void *p_user_data)
Set the warning handler use by openjpeg.
Definition: openjpeg.c:59
opj_image_comp::w
OPJ_UINT32 w
data width
Definition: openjpeg.h:683
opj_set_default_decoder_parameters
void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters)
Set decoding parameters to default values.
Definition: openjpeg.c:382
opj_dparameters
Decompression parameters.
Definition: openjpeg.h:552
opj_image::comps
opj_image_comp_t * comps
image components
Definition: openjpeg.h:723
byte_manager.h
opj_destroy_codec
void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
Destroy a decompressor handle.
Definition: openjpeg.c:996
OPJ_UINT32
uint32_t OPJ_UINT32
Definition: openjpeg.h:132
opj_stream_destroy
void OPJ_CALLCONV opj_stream_destroy(opj_stream_t *p_stream)
Destroys a stream created by opj_create_stream.
Definition: cio.c:199
opj_create_decompress
opj_codec_t *OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
Creates a J2K/JP2 decompression structure.
Definition: openjpeg.c:179
Byte2_t
uint16_t Byte2_t
Definition: byte_manager.h:38
ihdrbox_param
I.5.3.1 Image Header box.
Definition: ihdrbox_manager.h:39
j2k_to_pnm
Byte_t * j2k_to_pnm(const char *fn, ihdrbox_param_t **ihdrbox)
Definition: jp2k_decoder.c:46
opj_dparameters::DA_y0
OPJ_UINT32 DA_y0
Decoding area up boundary.
Definition: openjpeg.h:585
opj_dparameters::DA_x1
OPJ_UINT32 DA_x1
Decoding area right boundary.
Definition: openjpeg.h:583
opj_image
Defines image data and characteristics.
Definition: openjpeg.h:709
opj_end_decompress
OPJ_BOOL OPJ_CALLCONV opj_end_decompress(opj_codec_t *p_codec, opj_stream_t *p_stream)
Read after the codestream if necessary.
Definition: openjpeg.c:919
OPJ_CODEC_J2K
@ OPJ_CODEC_J2K
JPEG-2000 codestream : read/write.
Definition: openjpeg.h:330
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