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/*================================================================================================*\
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|| /$$$$$$$ /$$ /$$ /$$ /$$ ||
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|| | $$__ $$|__/ | $$ /$ | $$| $$ ||
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|| | $$ \ $$ /$$ /$$$$$$ | $$ /$$$| $$| $$$$$$$ /$$$$$$ /$$$$$$ /$$$$$$ ||
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|| | $$$$$$$ | $$ /$$__ $$ | $$/$$ $$ $$| $$__ $$ /$$__ $$ /$$__ $$ /$$__ $$ ||
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|| | $$__ $$| $$| $$ \ $$ | $$$$_ $$$$| $$ \ $$| $$ \ $$| $$ \ $$| $$ \ $$ ||
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|| | $$ \ $$| $$| $$ | $$ | $$$/ \ $$$| $$ | $$| $$ | $$| $$ | $$| $$ | $$ ||
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|| | $$$$$$$/| $$| $$$$$$$ | $$/ \ $$| $$ | $$| $$$$$$/| $$$$$$/| $$$$$$$/ ||
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|| |_______/ |__/ \____ $$ |__/ \__/|__/ |__/ \______/ \______/ | $$____/ ||
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|| /$$ \ $$ | $$ ||
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|| | $$$$$$/ | $$ ||
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|| \______/ |__/ ||
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|| DESCRIPTION: ||
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|| ------------ ||
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|| DESCRIPTION NEEDED. ||
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|| -------------------------------------------------------------------------------------------- ||
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|| Copyright (c) 2023, High Performance Computing Center - University of Stuttgart ||
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|| ||
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|| Redistribution and use in source and binary forms, with or without modification, are ||
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|| permitted provided that the following conditions are met: ||
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|| ||
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|| (1) Redistributions of source code must retain the above copyright notice, this list of ||
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|| conditions and the following disclaimer. ||
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|| ||
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|| (2) Redistributions in binary form must reproduce the above copyright notice, this list ||
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|| of conditions and the following disclaimer in the documentation and/or other ||
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|| materials provided with the distribution. ||
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|| ||
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|| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS ||
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|| OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF ||
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|| MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ||
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|| COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, ||
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|| EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ||
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|| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ||
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|| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR ||
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|| TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, ||
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|| EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ||
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|| ||
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\*================================================================================================*/
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2023-06-20 11:43:33 +00:00
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#ifndef MQ_H
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#define MQ_H
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2023-06-20 11:53:59 +00:00
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/************************************************************************************************\
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|| _ _ _ ____ _ _ _ ___ ____ ||
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|| | |\ | | | | | | \ |___ ||
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|| | | \| |___ |___ |__| |__/ |___ ||
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\************************************************************************************************/
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#include "tier1.h"
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#include "types.h"
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2023-06-20 11:43:33 +00:00
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2023-06-20 11:53:59 +00:00
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/************************************************************************************************\
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|| ____ ____ _ _ ____ ___ ____ _ _ ___ ____ ||
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|| | | | |\ | [__ | |__| |\ | | [__ ||
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|| |___ |__| | \| ___] | | | | \| | ___] ||
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\************************************************************************************************/
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/*----------------------------------------------------------------------------------------------*\
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! !
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! DESCRIPTION: !
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! ------------ !
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! !
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! These macros define the context state indices used by the mq coder for !
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! probability estimation. For a more thorough treatment of the context assignments !
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! see page 487 JPEG2000 by David S. Taubman and Michael W. Marcellin. !
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! !
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\*----------------------------------------------------------------------------------------------*/
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#define CONTEXT_SIG 0 // Sig. context labels starting indices
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#define CONTEXT_RUN 9 // Indices for the run context label
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#define CONTEXT_SIGN 10 // Sign context labels starting indices
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#define CONTEXT_MAG 15 // Mag. context labels starting indices
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#define CONTEXT_UNI 18 // Indices for the uni context label
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#define CONTEXT_TOTAL 19 // Total number of context labels
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2023-06-20 11:43:33 +00:00
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/************************************************************************************************\
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|| ___ _ _ ___ _ _ ____ ____ _ _ _ _ ____ ___ _ ____ _ _ ____ ||
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|| |__] | | |__] | | | |___ | | |\ | | | | | | |\ | [__ ||
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|| | |__| |__] |___ | |___ | |__| | \| |___ | | |__| | \| ___] ||
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\************************************************************************************************/
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uchar initialize_mq_encoder (bwc_coder *const coder,
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uint8 const numContexts);
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//==========|==========================|======================|======|=======|====================
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uchar mq_next_run (bwc_bit_coder *const bitcoder);
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//==========|==========================|======================|======|=======|====================
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void mq_bit_encode (bwc_bit_coder *const bitcoder,
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uint8 const s,
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uint8 const k);
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//==========|==========================|======================|======|=======|====================
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void mq_truncation_length_min (bwc_coder_state *const state);
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//==========|==========================|======================|======|=======|====================
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void mq_termination (bwc_bit_coder *const bitcoder);
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//==========|==========================|======================|======|=======|====================
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void free_mq_encoder (bwc_coder *const coder);
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//==========|==========================|======================|======|=======|====================
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uchar initialize_mq_decoder (bwc_coder *const coder,
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uint8 const numContexts,
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int64 const Lmax);
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//==========|==========================|======================|======|=======|====================
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uint8 mq_bit_decode (bwc_bit_coder *const bitcoder,
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uint8 const k);
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//==========|==========================|======================|======|=======|====================
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uint64 mq_get_no_bytes (bwc_bit_coder *const bitcoder);
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//==========|==========================|======================|======|=======|====================
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void mq_get_pass_lengths (bwc_bit_coder *const bitcoder,
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bwc_encoded_blk *const encoded_cblk);
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//==========|==========================|======================|======|=======|====================
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void mq_reset_ptr (bwc_bit_coder *const bitcoder,
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uchar *const memory);
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2023-06-20 11:43:33 +00:00
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#endif
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