2024-02-22 10:27:40 +00:00
|
|
|
/*================================================================================================*\
|
|
|
|
|
|| ||
|
|
|
|
|
|| /$$$$$$$ /$$ /$$ /$$ /$$ ||
|
|
|
|
|
|| | $$__ $$|__/ | $$ /$ | $$| $$ ||
|
|
|
|
|
|| | $$ \ $$ /$$ /$$$$$$ | $$ /$$$| $$| $$$$$$$ /$$$$$$ /$$$$$$ /$$$$$$ ||
|
|
|
|
|
|| | $$$$$$$ | $$ /$$__ $$ | $$/$$ $$ $$| $$__ $$ /$$__ $$ /$$__ $$ /$$__ $$ ||
|
|
|
|
|
|| | $$__ $$| $$| $$ \ $$ | $$$$_ $$$$| $$ \ $$| $$ \ $$| $$ \ $$| $$ \ $$ ||
|
|
|
|
|
|| | $$ \ $$| $$| $$ | $$ | $$$/ \ $$$| $$ | $$| $$ | $$| $$ | $$| $$ | $$ ||
|
|
|
|
|
|| | $$$$$$$/| $$| $$$$$$$ | $$/ \ $$| $$ | $$| $$$$$$/| $$$$$$/| $$$$$$$/ ||
|
|
|
|
|
|| |_______/ |__/ \____ $$ |__/ \__/|__/ |__/ \______/ \______/ | $$____/ ||
|
|
|
|
|
|| /$$ \ $$ | $$ ||
|
|
|
|
|
|| | $$$$$$/ | $$ ||
|
|
|
|
|
|| \______/ |__/ ||
|
|
|
|
|
|| ||
|
|
|
|
|
|| DESCRIPTION: ||
|
|
|
|
|
|| ------------ ||
|
|
|
|
|
|| ||
|
|
|
|
|
|| This file describes a set of functions that can be used to de-/encode bwc ||
|
2024-03-27 16:25:05 +00:00
|
|
|
|| codeblocks described by the bwc_codec structure according to the embedded block ||
|
2024-02-22 10:27:40 +00:00
|
|
|
|| coding paradigm described by the JPEG 2000 standard. For more information please ||
|
|
|
|
|
|| refere to JPEG2000 by D. S. Taubman and M. W. Marcellin. ||
|
|
|
|
|
|| ||
|
|
|
|
|
|| -------------------------------------------------------------------------------------------- ||
|
|
|
|
|
|| Copyright (c) 2023, High Performance Computing Center - University of Stuttgart ||
|
|
|
|
|
|| ||
|
|
|
|
|
|| Redistribution and use in source and binary forms, with or without modification, are ||
|
|
|
|
|
|| permitted provided that the following conditions are met: ||
|
|
|
|
|
|| ||
|
|
|
|
|
|| (1) Redistributions of source code must retain the above copyright notice, this list of ||
|
|
|
|
|
|| conditions and the following disclaimer. ||
|
|
|
|
|
|| ||
|
|
|
|
|
|| (2) Redistributions in binary form must reproduce the above copyright notice, this list ||
|
|
|
|
|
|| of conditions and the following disclaimer in the documentation and/or other ||
|
|
|
|
|
|| materials provided with the distribution. ||
|
|
|
|
|
|| ||
|
|
|
|
|
|| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS ||
|
|
|
|
|
|| OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF ||
|
|
|
|
|
|| MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ||
|
|
|
|
|
|| COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, ||
|
|
|
|
|
|| EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ||
|
|
|
|
|
|| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ||
|
|
|
|
|
|| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR ||
|
|
|
|
|
|| TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, ||
|
|
|
|
|
|| EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ||
|
|
|
|
|
|| ||
|
|
|
|
|
\*================================================================================================*/
|
2023-06-20 11:43:33 +00:00
|
|
|
#ifndef TIER1_H
|
|
|
|
|
#define TIER1_H
|
2024-02-22 10:27:40 +00:00
|
|
|
/************************************************************************************************\
|
|
|
|
|
|| _ _ _ ____ _ _ _ ___ ____ ||
|
|
|
|
|
|| | |\ | | | | | | \ |___ ||
|
|
|
|
|
|| | | \| |___ |___ |__| |__/ |___ ||
|
|
|
|
|
|| ||
|
|
|
|
|
\************************************************************************************************/
|
|
|
|
|
#include "types.h"
|
2023-06-20 11:43:33 +00:00
|
|
|
|
2024-02-22 10:27:40 +00:00
|
|
|
/************************************************************************************************\
|
|
|
|
|
|| _ _ ____ ____ ____ ____ ____ ||
|
|
|
|
|
|| |\/| |__| | |__/ | | [__ ||
|
|
|
|
|
|| | | | | |___ | \ |__| ___] ||
|
|
|
|
|
|| ||
|
|
|
|
|
\************************************************************************************************/
|
|
|
|
|
/*----------------------------------------------------------------------------------------------*\
|
|
|
|
|
! !
|
|
|
|
|
! DESCRIPTION: !
|
|
|
|
|
! ------------ !
|
|
|
|
|
! !
|
|
|
|
|
! The macros listed indicate how many bits, from the current coding position, !
|
|
|
|
|
! are used for error evaluation in the coding passes. !
|
|
|
|
|
! !
|
|
|
|
|
\*----------------------------------------------------------------------------------------------*/
|
|
|
|
|
#define DISTORTION_SIG 5 // Clean up/significance propagation pass.
|
|
|
|
|
#define DISTORTION_MAG 6 // Magnitude refinement pass.
|
2023-06-20 11:43:33 +00:00
|
|
|
|
2024-02-22 10:27:40 +00:00
|
|
|
/************************************************************************************************\
|
|
|
|
|
|| ___ ____ ____ ____ _ _ _ ____ ___ ___ _ _ ___ ____ ____ ||
|
|
|
|
|
|| | \ |___ |__/ |__/ | | | |___ | \ | \_/ |__] |___ [__ ||
|
|
|
|
|
|| |__/ |___ | \ | \ | \/ |___ |__/ | | | |___ ___] ||
|
|
|
|
|
|| ||
|
|
|
|
|
\************************************************************************************************/
|
|
|
|
|
/*----------------------------------------------------------------------------------------------*\
|
|
|
|
|
! !
|
|
|
|
|
! DESCRIPTION: !
|
|
|
|
|
! ------------ !
|
|
|
|
|
! !
|
|
|
|
|
! This structure holds the sign (xi), bitfield (bit) and state (delta, sigma and !
|
|
|
|
|
! pi) information for four vertically adjacent samples for easy access during the !
|
|
|
|
|
! entropy encoding stage. Here, the delayed significance is set once the first bit !
|
|
|
|
|
! is encoded during the magnitude refinement pass, while the significance state !
|
|
|
|
|
! sigma is set once the first non-zero bit is encoded for a specific sample. !
|
|
|
|
|
! The stripe_* pointers are used to store the address of the left(l), upper(u), !
|
|
|
|
|
! right(r) and lower(d) neighbour of a specific stripe for easy access. To !
|
|
|
|
|
! facilitate distortion estimation the magnitude of the wavelet coefficients is !
|
|
|
|
|
! stored in an appropriate sample array. !
|
|
|
|
|
! !
|
|
|
|
|
\*----------------------------------------------------------------------------------------------*/
|
|
|
|
|
typedef struct stripe
|
|
|
|
|
{
|
|
|
|
|
uint64 *sample; // Wavelet coef. for two adjacent stripes.
|
2023-06-20 11:43:33 +00:00
|
|
|
|
2024-02-22 10:27:40 +00:00
|
|
|
uint8 delta; // Delayed sig. for two adjacent stripes.
|
|
|
|
|
uint8 sigma; // Significance for two adjacent stripes.
|
|
|
|
|
uint8 pi; // Cdng pass membership for adj. stripes.
|
2023-06-20 11:43:33 +00:00
|
|
|
|
2024-02-22 10:27:40 +00:00
|
|
|
uint8 codingpass; // Last decoded coding pass.
|
2023-06-20 11:43:33 +00:00
|
|
|
|
2024-02-22 10:27:40 +00:00
|
|
|
uint8 bitplane; // Last decoded bitplane.
|
|
|
|
|
uint8 *bit; // Bitplanes for vertically adj. stripes.
|
|
|
|
|
uint8 xi; // Wvlt coef. sign bit for adj. stripes.
|
2023-06-20 11:43:33 +00:00
|
|
|
|
2024-02-22 10:27:40 +00:00
|
|
|
struct stripe *stripe_u; // Upper stripe.
|
|
|
|
|
struct stripe *stripe_r; // Right stripe.
|
|
|
|
|
struct stripe *stripe_d; // Lower stripe.
|
|
|
|
|
struct stripe *stripe_l; // Left stripe.
|
|
|
|
|
} bwc_coder_stripe;
|
|
|
|
|
|
|
|
|
|
/*----------------------------------------------------------------------------------------------*\
|
|
|
|
|
! !
|
|
|
|
|
! DESCRIPTION: !
|
|
|
|
|
! ------------ !
|
|
|
|
|
! !
|
|
|
|
|
! This structure accumulates all necessary structures used to (de-)compress a !
|
|
|
|
|
! codeblock of wavelet coefficients. The spatial and temporal dimension of the !
|
|
|
|
|
! codeblock is defined by its width, height and number of slices (depth * dt). The !
|
|
|
|
|
! codeblock itself is subdivided into so-called stripes that represent 4 vertical- !
|
|
|
|
|
! ly adjacent coefficients. The parameter no_full_stripes stores overnumber of !
|
|
|
|
|
! full stripes present in one slice. !
|
|
|
|
|
! The look-up table sig2context is used to determine the coding context of a cur- !
|
|
|
|
|
! ren bit according to its significance context within the codeblock bitplane. !
|
|
|
|
|
! The look-up table is specific to a certain highband and is set accordingly. !
|
|
|
|
|
! !
|
|
|
|
|
\*----------------------------------------------------------------------------------------------*/
|
|
|
|
|
typedef struct
|
|
|
|
|
{
|
|
|
|
|
uchar highband_flag; // Flag indicating current wavelet subbnd.
|
|
|
|
|
uint8 K; // Idx of the first significant bitplane.
|
|
|
|
|
uchar erres; // Flag signaling error resilience.
|
|
|
|
|
|
|
|
|
|
uint64 no_full_stripe; // Number of full, vert. adjacent stripes.
|
|
|
|
|
uint64 width, height; // Codeblock width and height.
|
|
|
|
|
uint64 no_slice; // N.o. slices in the spec. codeblock.
|
|
|
|
|
|
|
|
|
|
uint8 const *sig2context; // Signifance-to-context loop-up table.
|
|
|
|
|
bwc_bit_coder *bitcoder; // BWC bitcoder.
|
|
|
|
|
|
|
|
|
|
bwc_coder_stripe *data; // BWC coder stripe.
|
|
|
|
|
|
|
|
|
|
uint64 buff_size; // Size of packed stream.
|
|
|
|
|
uint64 buff_incr; // Increment for packed stream assembly.
|
|
|
|
|
uchar *compressed; // Compressed data chunck.
|
|
|
|
|
} bwc_coder;
|
|
|
|
|
|
2024-02-22 16:20:38 +00:00
|
|
|
/************************************************************************************************\
|
|
|
|
|
|| ___ _ _ ___ _ _ ____ ____ _ _ _ _ ____ ___ _ ____ _ _ ____ ||
|
|
|
|
|
|| |__] | | |__] | | | |___ | | |\ | | | | | | |\ | [__ ||
|
|
|
|
|
|| | |__| |__] |___ | |___ | |__| | \| |___ | | |__| | \| ___] ||
|
|
|
|
|
|| ||
|
|
|
|
|
\************************************************************************************************/
|
2024-10-09 09:49:22 +00:00
|
|
|
uchar t1_encode (bwc_codec *const codec,
|
2024-02-22 16:20:38 +00:00
|
|
|
bwc_tile *const tile,
|
|
|
|
|
bwc_parameter *const parameter);
|
|
|
|
|
//==========|==========================|======================|======|=======|====================
|
2024-10-09 09:49:22 +00:00
|
|
|
uchar t1_decode (bwc_codec *const codec,
|
2024-02-22 16:20:38 +00:00
|
|
|
bwc_tile *const tile,
|
|
|
|
|
bwc_parameter *const parameter);
|
|
|
|
|
|
2024-02-22 10:27:40 +00:00
|
|
|
|
2023-06-20 11:43:33 +00:00
|
|
|
#endif
|
