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feat/api #46

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Gregor Weiss wants to merge 56 commits from feat/api into main
pull from: feat/api
merge into: TOPIO:main
Conversation 0 Commits 56 Files changed 21 +359 -775
16 changed files with 359 additions and 775 deletions
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Showing only changes of commit 008ccfa4a9 - Show all commits

4
include/library/private/bitstream.h
View file

@ -118,7 +118,7 @@
uchar get_bit (bitstream *const stream);
//==========|==========================|======================|======|======|=====================
uchar terminate_stream (bitstream *stream,
bwc_stream *const packed_stream);
bwc_span *const packed_stream);
//==========|==========================|======================|======|======|=====================
void release_packed_stream (bwc_stream *const stream);
void release_packed_stream (bwc_span *const stream);
#endif

15
include/library/private/codestream.h
View file

@ -89,16 +89,17 @@
|| | |__| |__] |___ | |___ | |__| | \| |___ | | |__| | \| ___] ||
|| ||
\************************************************************************************************/
uchar assemble_main_header (bwc_field *const field);
uchar assemble_main_header (bwc_codec *const field);
//==========|==========================|======================|======|======|=====================
uchar codestream_write_aux (bwc_stream *const header,
bwc_stream *const aux);
uchar codestream_write_aux (bwc_span *const header,
bwc_span *const aux);
//==========|==========================|======================|======|======|=====================
uchar codestream_write_com (bwc_stream *const header,
bwc_stream *const com);
uchar codestream_write_com (bwc_span *const header,
bwc_span *const com);
//==========|==========================|======================|======|======|=====================
bwc_stream* assemble_codestream (bwc_field *const field);
bwc_span* assemble_codestream (bwc_codec *const field,
bwc_stream *const data);
//==========|==========================|======================|======|======|=====================
bwc_field* parse_codestream (bwc_data *const data,
bwc_codec* parse_codestream (bwc_stream *const data,
uint8 const layer);
#endif

8
include/library/private/constants.h
View file

@ -114,8 +114,8 @@
\*----------------------------------------------------------------------------------------------*/
typedef enum
{
bwc_type_half,
bwc_type_single,
bwc_type_double,
} bwc_type;
bwc_precision_half = 2,
bwc_precision_single = 4,
bwc_precision_double = 8,
} bwc_precision;
#endif

6
include/library/private/dwt.h
View file

@ -157,13 +157,13 @@
\************************************************************************************************/
uchar initialize_gain_lut ();
//==========|==========================|======================|======|=======|====================
bwc_float get_dwt_energy_gain (bwc_field *const field,
bwc_float get_dwt_energy_gain (bwc_codec *const field,
uchar const highband_flag,
uint16 const level);
//==========|==========================|======================|======|=======|====================
uchar forward_wavelet_transform (bwc_field *const field,
uchar forward_wavelet_transform (bwc_codec *const field,
bwc_parameter *const parameter);
//==========|==========================|======================|======|=======|====================
uchar inverse_wavelet_transform (bwc_field *const field,
uchar inverse_wavelet_transform (bwc_codec *const field,
bwc_parameter *const parameter);
#endif

79
include/library/private/libbwc.h
View file

@ -64,92 +64,85 @@
|| ||
\************************************************************************************************/
//==========|==========================|======================|======|=======|====================
bwc_data* bwc_initialize_data (double *const field,
bwc_stream* bwc_initialize_data (void *const data,
bwc_precision const prec);
//==========|==========================|======================|======|=======|====================
uchar bwc_set_com (bwc_stream *const data,
char const *const com,
uint16 const size);
//==========|==========================|======================|======|=======|====================
uchar bwc_set_aux (bwc_stream *const data,
char const *const aux,
uint32 const size);
//==========|==========================|======================|======|=======|====================
void bwc_free_data (bwc_stream *const data);
//==========|==========================|======================|======|=======|====================
uchar create_field (bwc_codec *const field);
//==========|==========================|======================|======|=======|====================
void bwc_kill_compression (bwc_codec *const field);
//==========|==========================|======================|======|=======|====================
bwc_codec* bwc_initialize_field (bwc_precision const prec,
uint64 const nX,
uint64 const nY,
uint64 const nZ,
uint16 const nTS,
uint8 const nPar,
char *const file_extension);
uint8 const nPar);
//==========|==========================|======================|======|=======|====================
uchar bwc_set_com (bwc_data *const data,
char const *const com,
uint16 const size);
void bwc_set_error_resilience (bwc_codec *const field);
//==========|==========================|======================|======|=======|====================
uchar bwc_set_aux (bwc_data *const data,
char const *const aux,
uint32 const size);
//==========|==========================|======================|======|=======|====================
void bwc_add_param (bwc_data *const data,
char *const name,
uint8 const precision);
//==========|==========================|======================|======|=======|====================
void bwc_get_data (bwc_data *const data,
uchar *const buffer,
uint64 const size);
//==========|==========================|======================|======|=======|====================
void bwc_free_data (bwc_data *const data);
//==========|==========================|======================|======|=======|====================
uchar create_field (bwc_field *const field);
//==========|==========================|======================|======|=======|====================
void bwc_kill_compression (bwc_field *const field);
//==========|==========================|======================|======|=======|====================
bwc_field* bwc_initialize_field (bwc_data *const data);
//==========|==========================|======================|======|=======|====================
void bwc_set_error_resilience (bwc_field *const field);
//==========|==========================|======================|======|=======|====================
void set_quant_style (bwc_field *const field,
void set_quant_style (bwc_codec *const field,
bwc_quant_st const quantization_style);
//==========|==========================|======================|======|=======|====================
void set_quant_step_size (bwc_field *const field,
void set_quant_step_size (bwc_codec *const field,
double const delta);
//==========|==========================|======================|======|=======|====================
void set_progression (bwc_field *const field,
void set_progression (bwc_codec *const field,
bwc_prog_ord const progression);
//==========|==========================|======================|======|=======|====================
void set_kernels (bwc_field *const field,
void set_kernels (bwc_codec *const field,
bwc_dwt_filter const KernelX,
bwc_dwt_filter const KernelY,
bwc_dwt_filter const KernelZ,
bwc_dwt_filter const KernelTS);
//==========|==========================|======================|======|=======|====================
void bwc_set_decomp (bwc_field *const field,
void bwc_set_decomp (bwc_codec *const field,
uint8 const decompX,
uint8 const decompY,
uint8 const decompZ,
uint8 const decompTS);
//==========|==========================|======================|======|=======|====================
void bwc_set_precincts (bwc_field *const field,
void bwc_set_precincts (bwc_codec *const field,
uint8 const pX,
uint8 const pY,
uint8 const pZ,
uint8 const pTS);
//==========|==========================|======================|======|=======|====================
void bwc_set_codeblocks (bwc_field *const field,
void bwc_set_codeblocks (bwc_codec *const field,
uint8 const cbX,
uint8 const cbY,
uint8 const cbZ,
uint8 const cbTS);
//==========|==========================|======================|======|=======|====================
void bwc_set_qm (bwc_field *const field,
void bwc_set_qm (bwc_codec *const field,
uint8 const Qm);
//==========|==========================|======================|======|=======|====================
void bwc_set_tiles (bwc_field *const field,
void bwc_set_tiles (bwc_codec *const field,
uint64 const tilesX,
uint64 const tilesY,
uint64 const tilesZ,
uint64 const tilesTS,
bwc_tile_instr const instr);
//==========|==========================|======================|======|=======|====================
uchar bwc_create_compression (bwc_field *const field,
uchar bwc_create_compression (bwc_codec *const codec,
bwc_stream *const data,
char *const rate_control);
//==========|==========================|======================|======|=======|====================
uchar bwc_compress (bwc_field *const field,
bwc_data *const data);
uchar bwc_compress (bwc_codec *const field,
bwc_stream *const data);
//==========|==========================|======================|======|=======|====================
bwc_field* bwc_create_decompression (bwc_data *const data,
bwc_codec* bwc_create_decompression (bwc_stream *const data,
uint8 const layer);
//==========|==========================|======================|======|=======|====================
uchar bwc_decompress (bwc_field *const field,
bwc_data *const data);
uchar bwc_decompress (bwc_codec *const field,
bwc_stream *const data);
#endif

6
include/library/private/tier1.h
View file

@ -16,7 +16,7 @@
|| ------------ ||
|| ||
|| This file describes a set of functions that can be used to de-/encode bwc ||
|| codeblocks described by the bwc_field structure according to the embedded block ||
|| codeblocks described by the bwc_codec structure according to the embedded block ||
|| coding paradigm described by the JPEG 2000 standard. For more information please ||
|| refere to JPEG2000 by D. S. Taubman and M. W. Marcellin. ||
|| ||
@ -156,11 +156,11 @@
|| | |__| |__] |___ | |___ | |__| | \| |___ | | |__| | \| ___] ||
|| ||
\************************************************************************************************/
uchar t1_encode (bwc_field *const field,
uchar t1_encode (bwc_codec *const field,
bwc_tile *const tile,
bwc_parameter *const parameter);
//==========|==========================|======================|======|=======|====================
uchar t1_decode (bwc_field *const field,
uchar t1_decode (bwc_codec *const field,
bwc_tile *const tile,
bwc_parameter *const parameter);

6
include/library/private/tier2.h
View file

@ -16,7 +16,7 @@
|| ------------ ||
|| ||
|| This file describes a set of functions that can be used to de-/encode bwc ||
|| codeblocks described by the bwc_field structure according to the embedded block ||
|| codeblocks described by the bwc_codec structure according to the embedded block ||
|| coding paradigm described by the JPEG 2000 standard. For more information please ||
|| refere to JPEG2000 by D. S. Taubman and M. W. Marcellin. ||
|| ||
@ -76,10 +76,10 @@
|| | |__| |__] |___ | |___ | |__| | \| |___ | | |__| | \| ___] ||
|| ||
\************************************************************************************************/
uchar t2_encode (bwc_field *const field,
uchar t2_encode (bwc_codec *const field,
bwc_tile *const tile);
//==========|==========================|======================|======|=======|====================
uchar parse_packet (bwc_field *const field,
uchar parse_packet (bwc_codec *const field,
bwc_tile *const tile,
bwc_packet *const packet,
uint64 const body_size);

60
include/library/private/types.h
View file

@ -99,7 +99,7 @@
uchar *access; // Pointer used to parse packed stream.
uchar *memory; // Memory handle for the packed stream.
} bwc_stream;
} bwc_span;
/*----------------------------------------------------------------------------------------------*\
! !
@ -138,29 +138,6 @@
bwc_tagtree_node *nodes; // Pointer to the tagtree nodes.
} bwc_tagtree;
/*----------------------------------------------------------------------------------------------*\
! !
! DESCRIPTION: !
! ------------ !
! !
! This structure defines a linked list which stores the size, index, and bit pre- !
! cision The string name is used to store the parameter name supplied by the !
! function caller. !
! !
\*----------------------------------------------------------------------------------------------*/
typedef struct opt
{
char name[24]; // Parameter name.
uint8 id; // Parameter index.
uint64 size; // Parameter size after sub-sampling.
uint8 precision; // Parameter precision.
struct opt *next; // Next element in linked-list.
struct opt *root; // Linked-list root.
} bwc_cmd_opts_ll;
/*----------------------------------------------------------------------------------------------*\
! !
! DESCRIPTION: !
@ -178,12 +155,8 @@
uint8 nPar; // Number of parameters.
uint8 precision; // Flag defining codec precision.
uint8 codec_prec; // Encoder/decoder bit precision.
char f_ext[20]; // Uncompressed data set file extension.
bwc_cmd_opts_ll *parameter; // Command options linked-list.
bwc_precision data_prec; // Data type of uncompressed field data.
bwc_precision codec_prec; // Encoder/decoder bit precision.
} bwc_gl_inf;
/*----------------------------------------------------------------------------------------------*\
@ -197,14 +170,11 @@
\*----------------------------------------------------------------------------------------------*/
typedef struct
{
bwc_gl_inf info; // Gloabal info structure.
FILE *fp; // File point to (un)compr. data-set.
struct codestream
{
bwc_stream *data; // Data codestream block.
bwc_stream *aux; // Auxiliary info. codestream block.
bwc_stream *com; // Comment codestream block.
bwc_span *data; // Data codestream block.
bwc_span *aux; // Auxiliary info. codestream block.
bwc_span *com; // Comment codestream block.
}codestream;
struct field
@ -212,7 +182,7 @@
double *d; // Double precision numerical data-set.
float *f; // Single precision numerical data-set.
}field;
} bwc_data;
} bwc_stream;
/*----------------------------------------------------------------------------------------------*\
! !
@ -420,8 +390,8 @@
\*----------------------------------------------------------------------------------------------*/
typedef struct
{
bwc_stream header; // Packed stream header.
bwc_stream body; // Packed stream body.
bwc_span header; // Packed stream header.
bwc_span body; // Packed stream body.
uint8 e; // Indicator for packet cb. contributions.
uint32 size; // Codestream packet size.
@ -528,14 +498,9 @@
\*----------------------------------------------------------------------------------------------*/
typedef struct
{
uint64 size; // Parameter size.
char *name; // Parameter name.
uint64 X0, Y0, Z0, TS0; // Tile parameter starting point.
uint64 X1, Y1, Z1, TS1; // Tile parameter end point.
uint8 precision; // Tile parameter precision.
bwc_float parameter_min; // Min. value of tile parameter.
bwc_float parameter_max; // Max. value of tile parameter.
} bwc_param_inf;
@ -710,12 +675,9 @@
\*----------------------------------------------------------------------------------------------*/
typedef struct
{
bwc_gl_inf *info; // Gloabal info structure
bwc_gl_inf info; // Global info structure
bwc_gl_ctrl control; // Global control structure
bwc_tile *tile; // Structure defining bwc tile.
bwc_stream *aux; // Auxiliary info. codestream block.
bwc_stream *com; // Comment codestream block.
} bwc_field;
} bwc_codec;
#endif

38
src/interfaces/fortran/bwc.F90
View file

@ -107,42 +107,6 @@ module bwc
CHARACTER(KIND=C_CHAR) :: file_extension(*)
end function initialize_data_f
!*============================================================================================*!
subroutine add_param_f(data, name, sample, dim, precision) &
BIND(C, NAME="bwc_add_param")
IMPORT
!*-----------------------*!
! DEFINE POINTERS: !
!*-----------------------*!
TYPE(C_PTR), VALUE :: data
!*-----------------------*!
! DEFINE INT VARIABLES: !
!*-----------------------*!
INTEGER(KIND=C_INT16_T), VALUE :: sample
INTEGER(KIND=C_INT8_T), VALUE :: precision
INTEGER(KIND=C_SIGNED_CHAR), VALUE :: dim
!*-----------------------*!
! DEFINE CHAR VARIABLES: !
!*-----------------------*!
CHARACTER(KIND=C_CHAR) :: name(*)
end subroutine add_param_f
!*============================================================================================*!
subroutine get_data_f(data, buffer, size) &
BIND(C, NAME="bwc_get_data")
IMPORT
!*-----------------------*!
! DEFINE POINTERS: !
!*-----------------------*!
TYPE(C_PTR), VALUE :: data
TYPE(C_PTR), VALUE :: buffer
!*-----------------------*!
! DEFINE INT VARIABLES: !
!*-----------------------*!
INTEGER(KIND=C_INT64_T), Value :: size
end subroutine get_data_f
!*============================================================================================*!
subroutine free_data_f(data) &
BIND(C, NAME="bwc_free_data")
IMPORT
@ -396,11 +360,9 @@ module bwc
bwc_tile_numbof
public :: bwc_initialize_data, &
bwc_get_data, &
bwc_free_data
public :: bwc_initialize_field, &
bwc_add_param, &
bwc_kill_compression
public :: bwc_set_error_resilience, &

18
src/interfaces/python/bwc.py
View file

@ -102,24 +102,6 @@ def initialize_data(data, nX, nY, nZ, nTS, nPar, file_extension):
ctypes.c_char_p]
return ctypes.c_void_p(fun(data, nX, nY, nZ, nTS, nPar, file_extension.encode('utf-8')))
#==================================================================================================#
def get_data(data, buffer, size):
fun = libbwc.bwc_get_data
fun.restype = None
fun.argtypes = [ctypes.c_void_p,
ndpointer(ctypes.c_double, flags="C_CONTIGUOUS"),
ctypes.c_uint64]
fun(data, buffer, size)
#==================================================================================================#
def add_param(data, name, sample, dim, precision):
fun = libbwc.bwc_add_param
fun.restype = None
fun.argtypes = [ctypes.c_void_p,
ctypes.c_char_p,
ctypes.c_uint16,
ctypes.c_uint8,
ctypes.c_uint8]
fun(data, name.encode('utf-8'), sample, dim, precision)
#==================================================================================================#
def kill_compression(field):
fun = libbwc.bwc_kill_compression
fun.restype = None

8
src/library/bitstream.c
View file

@ -896,7 +896,7 @@ flush_stream(bitstream *const stream)
! !
\*----------------------------------------------------------------------------------------------------------*/
uchar
terminate_stream(bitstream *stream, bwc_stream *const packed_stream)
terminate_stream(bitstream *stream, bwc_span *const packed_stream)
{
/*-----------------------*\
! DEFINE ASSERTIONS: !
@ -937,7 +937,7 @@ terminate_stream(bitstream *stream, bwc_stream *const packed_stream)
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: void release_packed_stream(bwc_stream *stream) !
! FUNCTION NAME: void release_packed_stream(bwc_span *stream) !
! -------------- !
! !
! DESCRIPTION: !
@ -949,7 +949,7 @@ terminate_stream(bitstream *stream, bwc_stream *const packed_stream)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! stream bwc_stream - Packed bitstream used to store parts of !
! stream bwc_span - Packed bitstream used to store parts of !
! the bwc codestream. !
! !
! RETURN VALUE: !
@ -967,7 +967,7 @@ terminate_stream(bitstream *stream, bwc_stream *const packed_stream)
! !
\*----------------------------------------------------------------------------------------------------------*/
void
release_packed_stream(bwc_stream *stream)
release_packed_stream(bwc_span *stream)
{
/*-----------------------*\
! DEFINE ASSERTIONS: !

143
src/library/codestream.c
View file

@ -104,7 +104,7 @@ can_read(bitstream *const stream, const uint64 length)
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: void codestream_write_header(bitstream *const stream, bwc_field *const field) !
! FUNCTION NAME: void codestream_write_header(bitstream *const stream, bwc_codec *const field) !
! -------------- !
! !
! DESCRIPTION: !
@ -116,7 +116,7 @@ can_read(bitstream *const stream, const uint64 length)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! stream bitstream* - Structure used to assemble a bwc bit- !
@ -138,7 +138,8 @@ can_read(bitstream *const stream, const uint64 length)
\*----------------------------------------------------------------------------------------------------------*/
static void
codestream_write_header(bitstream *const stream,
bwc_field *const field)
bwc_codec *const field,
bwc_stream *const data)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -155,10 +156,8 @@ codestream_write_header(bitstream *const stream,
\*-----------------------*/
bwc_gl_ctrl *control;
bwc_gl_inf *info;
bwc_tile *tile;
bwc_parameter *parameter;
bwc_stream *aux;
bwc_stream *com;
bwc_span *aux;
bwc_span *com;
/*-----------------------*\
! DEFINE ASSERTIONS: !
@ -171,17 +170,13 @@ codestream_write_header(bitstream *const stream,
! structure to temporary variables to make the code more !
! readable. !
\*--------------------------------------------------------*/
info = field->info;
info = &field->info;
control = &field->control;
tile = &field->tile[0];
aux = data->codestream.aux;
com = data->codestream.com;
parameter = &tile->parameter[0];
aux = field->aux;
com = field->com;
Linf = 40 + info->nPar * 25;
Linf = 31;
Lctr = 50 + control->nLayers * 4;
Leoh = info->nPar * control->nTiles * 2 * PREC_BYTE;
Lcss = control->codestreamSize;
@ -195,14 +190,8 @@ codestream_write_header(bitstream *const stream,
emit_symbol(stream, info->nZ, 8);
emit_symbol(stream, info->nTS, 2);
emit_symbol(stream, info->nPar, 1);
emit_symbol(stream, info->precision, 1);
emit_chunck(stream, (uchar*)info->f_ext, 10);
for(p = 0; p < info->nPar; ++p)
{
emit_chunck(stream, (uchar*)parameter[p].info.name, 24);
emit_symbol(stream, parameter[p].info.precision, 1);
}
emit_symbol(stream, (uint8)info->data_prec, 1);
emit_symbol(stream, (uint8)info->codec_prec, 1);
emit_symbol(stream, SGC, 2);
emit_symbol(stream, Lctr, 2);
@ -288,7 +277,7 @@ codestream_write_header(bitstream *const stream,
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar sequence_packets(bwc_field *const field, bwc_field *const field) !
! FUNCTION NAME: uchar sequence_packets(bwc_codec *const field, bwc_codec *const field) !
! -------------- !
! !
! DESCRIPTION: !
@ -299,7 +288,7 @@ codestream_write_header(bitstream *const stream,
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -319,7 +308,7 @@ codestream_write_header(bitstream *const stream,
! !
\*----------------------------------------------------------------------------------------------------------*/
static uchar
sequence_packets(bwc_field *const field, bwc_tile *const tile)
sequence_packets(bwc_codec *const field, bwc_tile *const tile)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -348,7 +337,7 @@ sequence_packets(bwc_field *const field, bwc_tile *const tile)
! code more readable. !
\*--------------------------------------------------------*/
control = &field->control;
info = field->info;
info = &field->info;
packet_sequence = tile->packet_sequence;
@ -490,7 +479,7 @@ sequence_packets(bwc_field *const field, bwc_tile *const tile)
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar sequence_packets(bwc_field *const field, bwc_field *const field) !
! FUNCTION NAME: uchar sequence_packets(bwc_codec *const field, bwc_codec *const field) !
! -------------- !
! !
! DESCRIPTION: !
@ -501,7 +490,7 @@ sequence_packets(bwc_field *const field, bwc_tile *const tile)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -521,7 +510,7 @@ sequence_packets(bwc_field *const field, bwc_tile *const tile)
! !
\*----------------------------------------------------------------------------------------------------------*/
static void
assemble_tile(bwc_field *const field, bwc_tile *const tile, bitstream *const stream)
assemble_tile(bwc_codec *const field, bwc_tile *const tile, bitstream *const stream)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -613,8 +602,8 @@ assemble_tile(bwc_field *const field, bwc_tile *const tile, bitstream *const str
! - Patrick Vogler B87D120 V 0.1.0 function created !
! !
\*----------------------------------------------------------------------------------------------------------*/
bwc_field*
parse_main_header(bwc_data *const data,bitstream *const stream)
bwc_codec*
parse_main_header(bwc_stream *const data, bitstream *const stream)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -632,18 +621,17 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
uint16 nTS;
uint8 index, l;
uint8 nPar, p;
uint8 codec_prec, precision;
bwc_precision data_prec, codec_prec;
/*-----------------------*\
! DEFINE CHAR VARIABLES: !
\*-----------------------*/
char* buffer_char;
char status;
/*-----------------------*\
! DEFINE STRUCTS: !
\*-----------------------*/
bwc_field *field;
bwc_codec *field;
bwc_gl_ctrl *control;
bwc_gl_inf *info;
@ -653,12 +641,6 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
assert(data);
assert(stream);
/*--------------------------------------------------------*\
! Save the data info structure to a temporary variable to !
! make the code more readable. !
\*--------------------------------------------------------*/
info = &data->info;
status = CODESTREAM_OK;
index = 0;
@ -708,41 +690,24 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
break;
}
info->nX = nX = get_symbol(stream, 8);
info->nY = nY = get_symbol(stream, 8);
info->nZ = nZ = get_symbol(stream, 8);
info->nTS = nTS = (uint16)get_symbol(stream, 2);
info->nPar = nPar = (uint8)get_symbol(stream, 1);
info->precision = codec_prec = (uint8)get_symbol(stream, 1);
nX = get_symbol(stream, 8);
nY = get_symbol(stream, 8);
nZ = get_symbol(stream, 8);
nTS = (uint16)get_symbol(stream, 2);
nPar = (uint8)get_symbol(stream, 1);
data_prec = (bwc_precision)get_symbol(stream, 1);
buffer_char = (char*)get_chunck(stream, 10);
strncpy(info->f_ext, buffer_char, sizeof(buffer_char)/sizeof(*buffer_char));
free(buffer_char);
for(p = 0; p < nPar; ++p)
{
buffer_char = (char*)get_chunck(stream, 24);
precision = (uint8)get_symbol(stream, 1);
bwc_add_param(data, buffer_char, precision);
free(buffer_char);
}
field = bwc_initialize_field(data);
field = bwc_initialize_field(data_prec, nX, nY, nZ, nTS, nPar);
if(!field)
{
status |= CODESTREAM_ERROR;
break;
}
/*--------------------------------------------------------*\
! Save the global control and info structure to temporary !
! variables to make the code more readable. !
\*--------------------------------------------------------*/
info = field->info = &data->info;
info = &field->info;
control = &field->control;
info->codec_prec = codec_prec = (bwc_precision)get_symbol(stream, 1);
control->codestreamSize = stream->Lmax;
status |= CODESTREAM_SGI_READ;
@ -896,7 +861,7 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
break;
}
data->codestream.aux = calloc(1, sizeof(bwc_stream));
data->codestream.aux = calloc(1, sizeof(bwc_span));
if(!data->codestream.aux)
{
// memory allocation error
@ -934,7 +899,7 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
break;
}
data->codestream.com = calloc(1, sizeof(bwc_stream));
data->codestream.com = calloc(1, sizeof(bwc_span));
if(!data->codestream.com)
{
// memory allocation error
@ -974,7 +939,7 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
break;
}
if(codec_prec == 8)
if(codec_prec == bwc_precision_double)
{
/*--------------------------------------------------------*\
! Loop through all tile parameters and... !
@ -995,7 +960,7 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
}
}
}
else if(codec_prec == 4)
else if(codec_prec == bwc_precision_single)
{
/*--------------------------------------------------------*\
! Loop through all tile parameters and... !
@ -1059,7 +1024,7 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar sequence_packets(bwc_field *const field, bwc_field *const field) !
! FUNCTION NAME: uchar sequence_packets(bwc_codec *const field, bwc_codec *const field) !
! -------------- !
! !
! DESCRIPTION: !
@ -1070,7 +1035,7 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -1090,7 +1055,7 @@ parse_main_header(bwc_data *const data,bitstream *const stream)
! !
\*----------------------------------------------------------------------------------------------------------*/
static uchar
parse_tile(bwc_field *const field, bitstream *const stream)
parse_tile(bwc_codec *const field, bitstream *const stream)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -1240,7 +1205,7 @@ parse_tile(bwc_field *const field, bitstream *const stream)
! !
\*----------------------------------------------------------------------------------------------------------*/
static uchar
parse_body(bwc_field *const field, bitstream *const stream)
parse_body(bwc_codec *const field, bitstream *const stream)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -1336,7 +1301,7 @@ parse_body(bwc_field *const field, bitstream *const stream)
|| ||
\************************************************************************************************************/
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: bwc_stream* assemble_codestream(bwc_field *const field) !
! FUNCTION NAME: bwc_span* assemble_codestream(bwc_codec *const field) !
! -------------- !
! !
! DESCRIPTION: !
@ -1347,14 +1312,14 @@ parse_body(bwc_field *const field, bitstream *const stream)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! RETURN VALUE: !
! ------------- !
! Type Description !
! ---- ----------- !
! bwc_stream* - Packed stream containing the compressed data set. !
! bwc_span* - Packed stream containing the compressed data set. !
! !
! DEVELOPMENT HISTORY: !
! -------------------- !
@ -1364,8 +1329,8 @@ parse_body(bwc_field *const field, bitstream *const stream)
! 13.06.2019 Patrick Vogler B87D120 V 0.1.0 function created !
! !
\*----------------------------------------------------------------------------------------------------------*/
bwc_stream*
assemble_codestream(bwc_field *const field)
bwc_span*
assemble_codestream(bwc_codec *const field, bwc_stream *const data)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -1378,7 +1343,7 @@ assemble_codestream(bwc_field *const field)
bwc_gl_ctrl *control;
bwc_tile *tile;
bitstream *stream;
bwc_stream *packed_stream;
bwc_span *packed_stream;
/*-----------------------*\
! DEFINE ASSERTIONS: !
@ -1424,7 +1389,7 @@ assemble_codestream(bwc_field *const field)
! bytes. !
\*--------------------------------------------------------*/
stream = init_stream(NULL, control->codestreamSize, 'c');
codestream_write_header(stream, field);
codestream_write_header(stream, field, data);
/*--------------------------------------------------------*\
! Walk through the tile structure and assemble the packed !
@ -1444,7 +1409,7 @@ assemble_codestream(bwc_field *const field)
emit_symbol(stream, EOC, 2);
packed_stream = calloc(1, sizeof(bwc_stream));
packed_stream = calloc(1, sizeof(bwc_span));
if(!packed_stream)
{
// memory allocation error
@ -1463,7 +1428,7 @@ assemble_codestream(bwc_field *const field)
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar parse_codestream(bwc_field *const field, bitstream *const stream) !
! FUNCTION NAME: uchar parse_codestream(bwc_codec *const field, bitstream *const stream) !
! -------------- !
! !
! DESCRIPTION: !
@ -1474,7 +1439,7 @@ assemble_codestream(bwc_field *const field)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! stream bitstream* - Structure used to assemble a bwc bit- !
@ -1494,13 +1459,13 @@ assemble_codestream(bwc_field *const field)
! 05.08.2019 Patrick Vogler B87D120 V 0.1.0 function created !
! !
\*----------------------------------------------------------------------------------------------------------*/
bwc_field*
parse_codestream(bwc_data *const data, uint8 const layer)
bwc_codec*
parse_codestream(bwc_stream *const data, uint8 const layer)
{
/*-----------------------*\
! DEFINE STRUCTS: !
\*-----------------------*/
bwc_field *field;
bwc_codec *field;
bitstream *stream;
/*-----------------------*\

18
src/library/dwt.c
View file

@ -1421,7 +1421,7 @@ initialize_gain_lut()
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: bwc_float get_dwt_energy_gain(bwc_field *const field, uchar highband_flag, uint16 level) !
! FUNCTION NAME: bwc_float get_dwt_energy_gain(bwc_codec *const field, uchar highband_flag, uint16 level) !
! -------------- !
! !
! DESCRIPTION: !
@ -1434,7 +1434,7 @@ initialize_gain_lut()
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! highband_flag uchar - Defines the subband for which Gb is !
@ -1459,7 +1459,7 @@ initialize_gain_lut()
! !
\*----------------------------------------------------------------------------------------------------------*/
bwc_float
get_dwt_energy_gain(bwc_field *const field, uchar highband_flag, uint16 level)
get_dwt_energy_gain(bwc_codec *const field, uchar highband_flag, uint16 level)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -1576,7 +1576,7 @@ get_dwt_energy_gain(bwc_field *const field, uchar highband_flag, uint16 level)
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar forward_discrete_wavelet_transform(bwc_field *const field, !
! FUNCTION NAME: uchar forward_discrete_wavelet_transform(bwc_codec *const field, !
! -------------- bwc_parameter *const parameter) !
! !
! DESCRIPTION: !
@ -1594,7 +1594,7 @@ get_dwt_energy_gain(bwc_field *const field, uchar highband_flag, uint16 level)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! parameter bwc_parameter* - Structure defining a bwc parameter. !
@ -1614,7 +1614,7 @@ get_dwt_energy_gain(bwc_field *const field, uchar highband_flag, uint16 level)
! !
\*----------------------------------------------------------------------------------------------------------*/
uchar
forward_wavelet_transform(bwc_field *const field, bwc_parameter *const parameter)
forward_wavelet_transform(bwc_codec *const field, bwc_parameter *const parameter)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -2117,7 +2117,7 @@ forward_wavelet_transform(bwc_field *const field, bwc_parameter *const parameter
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar inverse_discrete_wavelet_transform(bwc_field *const field, !
! FUNCTION NAME: uchar inverse_discrete_wavelet_transform(bwc_codec *const field, !
! -------------- bwc_parameter *const parameter) !
! !
! DESCRIPTION: !
@ -2135,7 +2135,7 @@ forward_wavelet_transform(bwc_field *const field, bwc_parameter *const parameter
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! parameter bwc_parameter* - Structure defining a bwc parameter. !
@ -2155,7 +2155,7 @@ forward_wavelet_transform(bwc_field *const field, bwc_parameter *const parameter
! !
\*----------------------------------------------------------------------------------------------------------*/
uchar
inverse_wavelet_transform(bwc_field *const field, bwc_parameter *const parameter)
inverse_wavelet_transform(bwc_codec *const field, bwc_parameter *const parameter)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !

627
src/library/libbwc.c
View file

File diff suppressed because it is too large Load diff

14
src/library/tier1.c
View file

@ -16,7 +16,7 @@
|| ------------ ||
|| ||
|| This file describes a set of functions that can be used to de-/encode bwc ||
|| codeblocks described by the bwc_field structure according to the embedded block ||
|| codeblocks described by the bwc_codec structure according to the embedded block ||
|| coding paradigm described by the JPEG 2000 standard. For more information please ||
|| refere to JPEG2000 by D. S. Taubman and M. W. Marcellin. ||
|| ||
@ -2274,7 +2274,7 @@ compute_convex_hull(bwc_encoded_cblk *const encoded_codeblock, double *const mse
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: bwc_encoded_cblk* encode_codeblock(bwc_field *const field, bwc_cblk_access *const access, !
! FUNCTION NAME: bwc_encoded_cblk* encode_codeblock(bwc_codec *const field, bwc_cblk_access *const access, !
! -------------- bwc_coder_stripe *const codeblock, !
! const uint64 width, !
! const uint64 height, !
@ -2307,7 +2307,7 @@ compute_convex_hull(bwc_encoded_cblk *const encoded_codeblock, double *const mse
! !
\*----------------------------------------------------------------------------------------------------------*/
static void
encode_codeblock(bwc_field *const field, bwc_cblk_access *const access,
encode_codeblock(bwc_codec *const field, bwc_cblk_access *const access,
bwc_coder_stripe *const codeblock,
const uint64 width,
const uint64 height,
@ -2595,7 +2595,7 @@ encode_codeblock(bwc_field *const field, bwc_cblk_access *const access,
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: bwc_encoded_cblk* encode_codeblock(bwc_field *const field, bwc_cblk_access *const access, !
! FUNCTION NAME: bwc_encoded_cblk* encode_codeblock(bwc_codec *const field, bwc_cblk_access *const access, !
! bwc_coder_stripe *const codeblock, !
! const uint64 width, !
! const uint64 height, !
@ -2628,7 +2628,7 @@ encode_codeblock(bwc_field *const field, bwc_cblk_access *const access,
! !
\*----------------------------------------------------------------------------------------------------------*/
static void
decode_codeblock(bwc_field *const field, bwc_cblk_access *const access,
decode_codeblock(bwc_codec *const field, bwc_cblk_access *const access,
bwc_coder_stripe *const codeblock,
const uint64 width,
const uint64 height,
@ -2828,7 +2828,7 @@ decode_codeblock(bwc_field *const field, bwc_cblk_access *const access,
! !
\*----------------------------------------------------------------------------------------------------------*/
uchar
t1_encode(bwc_field *const field, bwc_tile *const tile, bwc_parameter *const parameter)
t1_encode(bwc_codec *const field, bwc_tile *const tile, bwc_parameter *const parameter)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -3131,7 +3131,7 @@ t1_encode(bwc_field *const field, bwc_tile *const tile, bwc_parameter *const par
! !
\*----------------------------------------------------------------------------------------------------------*/
uchar
t1_decode(bwc_field *const field, bwc_tile *const tile, bwc_parameter *const parameter)
t1_decode(bwc_codec *const field, bwc_tile *const tile, bwc_parameter *const parameter)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !

48
src/library/tier2.c
View file

@ -16,7 +16,7 @@
|| ------------ ||
|| ||
|| This file describes a set of functions that can be used to de-/encode bwc ||
|| codeblocks described by the bwc_field structure according to the embedded block ||
|| codeblocks described by the bwc_codec structure according to the embedded block ||
|| coding paradigm described by the JPEG 2000 standard. For more information please ||
|| refere to JPEG2000 by D. S. Taubman and M. W. Marcellin. ||
|| ||
@ -312,7 +312,7 @@ encode_length(bitstream *const header, bwc_codeblock *const codeblock,
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: void create_quality_layers(bwc_field *const field, bwc_tile *const tile) !
! FUNCTION NAME: void create_quality_layers(bwc_codec *const field, bwc_tile *const tile) !
! -------------- !
! !
! !
@ -385,7 +385,7 @@ decode_length(bitstream *const header, bwc_codeblock *const codeblock, int8 cons
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: int64 create_packet(bwc_field *const field, bwc_tile *const tile, !
! FUNCTION NAME: int64 create_packet(bwc_codec *const field, bwc_tile *const tile, !
! -------------- bwc_resolution *const resolution, !
! uint32 const prec_idx, !
! int8 const q_layer, !
@ -403,7 +403,7 @@ decode_length(bitstream *const header, bwc_codeblock *const codeblock, int8 cons
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -435,7 +435,7 @@ decode_length(bitstream *const header, bwc_codeblock *const codeblock, int8 cons
! !
\*----------------------------------------------------------------------------------------------------------*/
static int32
create_packet(bwc_field *const field, bwc_tile *const tile,
create_packet(bwc_codec *const field, bwc_tile *const tile,
bwc_resolution *const resolution,
uint32 const prec_idx,
int16 const q_layer,
@ -498,7 +498,7 @@ create_packet(bwc_field *const field, bwc_tile *const tile,
if(!est)
{
packet->body.access =
packet->body.memory = calloc(packet->body.size, sizeof(bwc_stream));
packet->body.memory = calloc(packet->body.size, sizeof(bwc_span));
if(!packet->body.memory)
{
// memory allocation error
@ -706,7 +706,7 @@ create_packet(bwc_field *const field, bwc_tile *const tile,
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar create_packets(bwc_field *const field, bwc_tile *const tile) !
! FUNCTION NAME: uchar create_packets(bwc_codec *const field, bwc_tile *const tile) !
! -------------- !
! !
! DESCRIPTION: !
@ -723,7 +723,7 @@ create_packet(bwc_field *const field, bwc_tile *const tile,
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -743,7 +743,7 @@ create_packet(bwc_field *const field, bwc_tile *const tile,
! !
\*----------------------------------------------------------------------------------------------------------*/
static uchar
create_packets(bwc_field *const field, bwc_tile *const tile)
create_packets(bwc_codec *const field, bwc_tile *const tile)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -772,7 +772,7 @@ create_packets(bwc_field *const field, bwc_tile *const tile)
! variables to make the code more readable. !
\*--------------------------------------------------------*/
control = &field->control;
info = field->info;
info = &field->info;
/*--------------------------------------------------------*\
! Iterate overall quality layers for every precinct in all !
@ -845,7 +845,7 @@ create_packets(bwc_field *const field, bwc_tile *const tile)
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: int64 create_quality_layer(bwc_field *const field, bwc_tile *const tile, !
! FUNCTION NAME: int64 create_quality_layer(bwc_codec *const field, bwc_tile *const tile, !
! -------------- uint16 const threshold, !
! int16 const q_layer, !
! uchar const est) !
@ -860,7 +860,7 @@ create_packets(bwc_field *const field, bwc_tile *const tile)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -888,7 +888,7 @@ create_packets(bwc_field *const field, bwc_tile *const tile)
! !
\*----------------------------------------------------------------------------------------------------------*/
static int64
create_quality_layer(bwc_field *const field, bwc_tile *const tile,
create_quality_layer(bwc_codec *const field, bwc_tile *const tile,
uint16 const threshold,
int16 const q_layer,
uchar const est)
@ -924,7 +924,7 @@ create_quality_layer(bwc_field *const field, bwc_tile *const tile,
! variables to make the code more readable. !
\*--------------------------------------------------------*/
control = &field->control;
info = field->info;
info = &field->info;
for(j = 0, estimated_ql_size = 0; j < info->nPar; ++j)
{
@ -1075,7 +1075,7 @@ create_quality_layer(bwc_field *const field, bwc_tile *const tile,
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: void create_quality_layers(bwc_field *const field, bwc_tile *const tile) !
! FUNCTION NAME: void create_quality_layers(bwc_codec *const field, bwc_tile *const tile) !
! -------------- !
! !
! !
@ -1087,7 +1087,7 @@ create_quality_layer(bwc_field *const field, bwc_tile *const tile,
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -1107,7 +1107,7 @@ create_quality_layer(bwc_field *const field, bwc_tile *const tile,
! !
\*----------------------------------------------------------------------------------------------------------*/
static uchar
create_quality_layers(bwc_field *const field, bwc_tile *const tile)
create_quality_layers(bwc_codec *const field, bwc_tile *const tile)
{
/*-----------------------*\
! DEFINE INT VARIABLES: !
@ -1139,7 +1139,7 @@ create_quality_layers(bwc_field *const field, bwc_tile *const tile)
! temporary variables to make the code more readable. !
\*--------------------------------------------------------*/
control = &field->control;
info = field->info;
info = &field->info;
tile_control = &tile->control;
tile_info = &tile->info;
@ -1255,7 +1255,7 @@ create_quality_layers(bwc_field *const field, bwc_tile *const tile)
|| ||
\************************************************************************************************************/
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar t2_encode(bwc_field *const field, bwc_tile *const tile) !
! FUNCTION NAME: uchar t2_encode(bwc_codec *const field, bwc_tile *const tile) !
! -------------- !
! !
! DESCRIPTION: !
@ -1269,7 +1269,7 @@ create_quality_layers(bwc_field *const field, bwc_tile *const tile)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -1289,7 +1289,7 @@ create_quality_layers(bwc_field *const field, bwc_tile *const tile)
! !
\*----------------------------------------------------------------------------------------------------------*/
uchar
t2_encode(bwc_field *const field, bwc_tile *const tile)
t2_encode(bwc_codec *const field, bwc_tile *const tile)
{
/*-----------------------*\
! DEFINE ASSERTIONS: !
@ -1319,7 +1319,7 @@ t2_encode(bwc_field *const field, bwc_tile *const tile)
}
/*----------------------------------------------------------------------------------------------------------*\
! FUNCTION NAME: uchar parse_packet(bwc_field *const field, bwc_tile *const tile, !
! FUNCTION NAME: uchar parse_packet(bwc_codec *const field, bwc_tile *const tile, !
! -------------- bwc_packet *const packet, !
! uint64 const body_size) !
! !
@ -1332,7 +1332,7 @@ t2_encode(bwc_field *const field, bwc_tile *const tile)
! ----------- !
! Variable Type Description !
! -------- ---- ----------- !
! field bwc_field* - Structure defining the compression/ !
! field bwc_codec* - Structure defining the compression/ !
! decompression stage. !
! !
! tile bwc_tile* - Structure defining a bwc tile. !
@ -1356,7 +1356,7 @@ t2_encode(bwc_field *const field, bwc_tile *const tile)
! !
\*----------------------------------------------------------------------------------------------------------*/
uchar
parse_packet(bwc_field *const field, bwc_tile *const tile,
parse_packet(bwc_codec *const field, bwc_tile *const tile,
bwc_packet *const packet,
uint64 const body_size)
{