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rockbox/apps/codecs/libmusepack/huffsv46.c
Thom Johansen ad17fd4747 Musepack support, complete with mpc2wav plugin. Thanks go out to rasher for initiating the port. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6276 a1c6a512-1295-4272-9138-f99709370657
2005-04-12 21:29:48 +00:00

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/*
Copyright (c) 2005, The Musepack Development Team
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* 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.
* Neither the name of the The Musepack Development Team nor the
names of its contributors may be used to endorse or promote
products derived from this software without specific prior
written permission.
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
OWNER 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.
*/
/// \file huffsv46.c
/// Implementations of huffman decoding for streamversions < 7.
#include "musepack.h"
#include "requant.h"
#include "huffman.h"
void
mpc_decoder_init_huffman_sv6(mpc_decoder *d)
{
mpc_decoder_init_huffman_sv6_tables(d);
mpc_decoder_resort_huff_tables(16, d->Region_A , 0);
mpc_decoder_resort_huff_tables( 8, d->Region_B , 0);
mpc_decoder_resort_huff_tables( 4, d->Region_C , 0);
mpc_decoder_resort_huff_tables( 8, d->SCFI_Bundle , 0);
mpc_decoder_resort_huff_tables(13, d->DSCF_Entropie , 6);
mpc_decoder_resort_huff_tables( 3, d->Entropie_1 , Dc[1]);
mpc_decoder_resort_huff_tables( 5, d->Entropie_2 , Dc[2]);
mpc_decoder_resort_huff_tables( 7, d->Entropie_3 , Dc[3]);
mpc_decoder_resort_huff_tables( 9, d->Entropie_4 , Dc[4]);
mpc_decoder_resort_huff_tables(15, d->Entropie_5 , Dc[5]);
mpc_decoder_resort_huff_tables(31, d->Entropie_6 , Dc[6]);
mpc_decoder_resort_huff_tables(63, d->Entropie_7 , Dc[7]);
}
void
mpc_decoder_init_huffman_sv6_tables(mpc_decoder *d)
{
// SCFI-bundle
d->SCFI_Bundle[7].Code= 1; d->SCFI_Bundle[7].Length= 1;
d->SCFI_Bundle[3].Code= 1; d->SCFI_Bundle[3].Length= 2;
d->SCFI_Bundle[5].Code= 0; d->SCFI_Bundle[5].Length= 3;
d->SCFI_Bundle[1].Code= 7; d->SCFI_Bundle[1].Length= 5;
d->SCFI_Bundle[2].Code= 6; d->SCFI_Bundle[2].Length= 5;
d->SCFI_Bundle[4].Code= 4; d->SCFI_Bundle[4].Length= 5;
d->SCFI_Bundle[0].Code= 11; d->SCFI_Bundle[0].Length= 6;
d->SCFI_Bundle[6].Code= 10; d->SCFI_Bundle[6].Length= 6;
// region A (subbands 0..10)
d->Region_A[ 1].Code= 1; d->Region_A[ 1].Length= 1;
d->Region_A[ 2].Code= 0; d->Region_A[ 2].Length= 2;
d->Region_A[ 0].Code= 2; d->Region_A[ 0].Length= 3;
d->Region_A[ 3].Code= 15; d->Region_A[ 3].Length= 5;
d->Region_A[ 5].Code= 13; d->Region_A[ 5].Length= 5;
d->Region_A[ 6].Code= 12; d->Region_A[ 6].Length= 5;
d->Region_A[ 4].Code= 29; d->Region_A[ 4].Length= 6;
d->Region_A[ 7].Code= 57; d->Region_A[ 7].Length= 7;
d->Region_A[ 8].Code= 113; d->Region_A[ 8].Length= 8;
d->Region_A[ 9].Code= 225; d->Region_A[ 9].Length= 9;
d->Region_A[10].Code= 449; d->Region_A[10].Length= 10;
d->Region_A[11].Code= 897; d->Region_A[11].Length= 11;
d->Region_A[12].Code= 1793; d->Region_A[12].Length= 12;
d->Region_A[13].Code= 3585; d->Region_A[13].Length= 13;
d->Region_A[14].Code= 7169; d->Region_A[14].Length= 14;
d->Region_A[15].Code= 7168; d->Region_A[15].Length= 14;
// region B (subbands 11..22)
d->Region_B[1].Code= 1; d->Region_B[1].Length= 1;
d->Region_B[0].Code= 1; d->Region_B[0].Length= 2;
d->Region_B[2].Code= 1; d->Region_B[2].Length= 3;
d->Region_B[3].Code= 1; d->Region_B[3].Length= 4;
d->Region_B[4].Code= 1; d->Region_B[4].Length= 5;
d->Region_B[5].Code= 1; d->Region_B[5].Length= 6;
d->Region_B[6].Code= 1; d->Region_B[6].Length= 7;
d->Region_B[7].Code= 0; d->Region_B[7].Length= 7;
// region C (subbands 23..31)
d->Region_C[0].Code= 1; d->Region_C[0].Length= 1;
d->Region_C[1].Code= 1; d->Region_C[1].Length= 2;
d->Region_C[2].Code= 1; d->Region_C[2].Length= 3;
d->Region_C[3].Code= 0; d->Region_C[3].Length= 3;
// DSCF
d->DSCF_Entropie[ 6].Code= 0; d->DSCF_Entropie[ 6].Length= 2;
d->DSCF_Entropie[ 7].Code= 7; d->DSCF_Entropie[ 7].Length= 3;
d->DSCF_Entropie[ 5].Code= 4; d->DSCF_Entropie[ 5].Length= 3;
d->DSCF_Entropie[ 8].Code= 3; d->DSCF_Entropie[ 8].Length= 3;
d->DSCF_Entropie[ 9].Code= 13; d->DSCF_Entropie[ 9].Length= 4;
d->DSCF_Entropie[ 4].Code= 11; d->DSCF_Entropie[ 4].Length= 4;
d->DSCF_Entropie[10].Code= 10; d->DSCF_Entropie[10].Length= 4;
d->DSCF_Entropie[ 2].Code= 4; d->DSCF_Entropie[ 2].Length= 4;
d->DSCF_Entropie[11].Code= 25; d->DSCF_Entropie[11].Length= 5;
d->DSCF_Entropie[ 3].Code= 24; d->DSCF_Entropie[ 3].Length= 5;
d->DSCF_Entropie[ 1].Code= 11; d->DSCF_Entropie[ 1].Length= 5;
d->DSCF_Entropie[12].Code= 21; d->DSCF_Entropie[12].Length= 6;
d->DSCF_Entropie[ 0].Code= 20; d->DSCF_Entropie[ 0].Length= 6;
// first quantizer
d->Entropie_1[1].Code= 1; d->Entropie_1[1].Length= 1;
d->Entropie_1[0].Code= 1; d->Entropie_1[0].Length= 2;
d->Entropie_1[2].Code= 0; d->Entropie_1[2].Length= 2;
// second quantizer
d->Entropie_2[2].Code= 3; d->Entropie_2[2].Length= 2;
d->Entropie_2[3].Code= 1; d->Entropie_2[3].Length= 2;
d->Entropie_2[1].Code= 0; d->Entropie_2[1].Length= 2;
d->Entropie_2[4].Code= 5; d->Entropie_2[4].Length= 3;
d->Entropie_2[0].Code= 4; d->Entropie_2[0].Length= 3;
// third quantizer
d->Entropie_3[3].Code= 3; d->Entropie_3[3].Length= 2;
d->Entropie_3[2].Code= 1; d->Entropie_3[2].Length= 2;
d->Entropie_3[4].Code= 0; d->Entropie_3[4].Length= 2;
d->Entropie_3[1].Code= 5; d->Entropie_3[1].Length= 3;
d->Entropie_3[5].Code= 9; d->Entropie_3[5].Length= 4;
d->Entropie_3[0].Code= 17; d->Entropie_3[0].Length= 5;
d->Entropie_3[6].Code= 16; d->Entropie_3[6].Length= 5;
// forth quantizer
d->Entropie_4[4].Code= 0; d->Entropie_4[4].Length= 2;
d->Entropie_4[5].Code= 6; d->Entropie_4[5].Length= 3;
d->Entropie_4[3].Code= 5; d->Entropie_4[3].Length= 3;
d->Entropie_4[6].Code= 4; d->Entropie_4[6].Length= 3;
d->Entropie_4[2].Code= 3; d->Entropie_4[2].Length= 3;
d->Entropie_4[7].Code= 15; d->Entropie_4[7].Length= 4;
d->Entropie_4[1].Code= 14; d->Entropie_4[1].Length= 4;
d->Entropie_4[0].Code= 5; d->Entropie_4[0].Length= 4;
d->Entropie_4[8].Code= 4; d->Entropie_4[8].Length= 4;
// fifth quantizer
d->Entropie_5[7 ].Code= 4; d->Entropie_5[7 ].Length= 3;
d->Entropie_5[8 ].Code= 3; d->Entropie_5[8 ].Length= 3;
d->Entropie_5[6 ].Code= 2; d->Entropie_5[6 ].Length= 3;
d->Entropie_5[9 ].Code= 0; d->Entropie_5[9 ].Length= 3;
d->Entropie_5[5 ].Code= 15; d->Entropie_5[5 ].Length= 4;
d->Entropie_5[4 ].Code= 13; d->Entropie_5[4 ].Length= 4;
d->Entropie_5[10].Code= 12; d->Entropie_5[10].Length= 4;
d->Entropie_5[11].Code= 10; d->Entropie_5[11].Length= 4;
d->Entropie_5[3 ].Code= 3; d->Entropie_5[3 ].Length= 4;
d->Entropie_5[12].Code= 2; d->Entropie_5[12].Length= 4;
d->Entropie_5[2 ].Code= 29; d->Entropie_5[2 ].Length= 5;
d->Entropie_5[1 ].Code= 23; d->Entropie_5[1 ].Length= 5;
d->Entropie_5[13].Code= 22; d->Entropie_5[13].Length= 5;
d->Entropie_5[0 ].Code= 57; d->Entropie_5[0 ].Length= 6;
d->Entropie_5[14].Code= 56; d->Entropie_5[14].Length= 6;
// sixth quantizer
d->Entropie_6[15].Code= 9; d->Entropie_6[15].Length= 4;
d->Entropie_6[16].Code= 8; d->Entropie_6[16].Length= 4;
d->Entropie_6[14].Code= 7; d->Entropie_6[14].Length= 4;
d->Entropie_6[18].Code= 6; d->Entropie_6[18].Length= 4;
d->Entropie_6[17].Code= 5; d->Entropie_6[17].Length= 4;
d->Entropie_6[12].Code= 3; d->Entropie_6[12].Length= 4;
d->Entropie_6[13].Code= 2; d->Entropie_6[13].Length= 4;
d->Entropie_6[19].Code= 0; d->Entropie_6[19].Length= 4;
d->Entropie_6[11].Code= 31; d->Entropie_6[11].Length= 5;
d->Entropie_6[20].Code= 30; d->Entropie_6[20].Length= 5;
d->Entropie_6[10].Code= 29; d->Entropie_6[10].Length= 5;
d->Entropie_6[9 ].Code= 27; d->Entropie_6[9 ].Length= 5;
d->Entropie_6[21].Code= 26; d->Entropie_6[21].Length= 5;
d->Entropie_6[22].Code= 25; d->Entropie_6[22].Length= 5;
d->Entropie_6[8 ].Code= 24; d->Entropie_6[8 ].Length= 5;
d->Entropie_6[7 ].Code= 23; d->Entropie_6[7 ].Length= 5;
d->Entropie_6[23].Code= 21; d->Entropie_6[23].Length= 5;
d->Entropie_6[6 ].Code= 9; d->Entropie_6[6 ].Length= 5;
d->Entropie_6[24].Code= 3; d->Entropie_6[24].Length= 5;
d->Entropie_6[25].Code= 57; d->Entropie_6[25].Length= 6;
d->Entropie_6[5 ].Code= 56; d->Entropie_6[5 ].Length= 6;
d->Entropie_6[4 ].Code= 45; d->Entropie_6[4 ].Length= 6;
d->Entropie_6[26].Code= 41; d->Entropie_6[26].Length= 6;
d->Entropie_6[2 ].Code= 40; d->Entropie_6[2 ].Length= 6;
d->Entropie_6[27].Code= 17; d->Entropie_6[27].Length= 6;
d->Entropie_6[28].Code= 16; d->Entropie_6[28].Length= 6;
d->Entropie_6[3 ].Code= 5; d->Entropie_6[3 ].Length= 6;
d->Entropie_6[29].Code= 89; d->Entropie_6[29].Length= 7;
d->Entropie_6[1 ].Code= 88; d->Entropie_6[1 ].Length= 7;
d->Entropie_6[30].Code= 9; d->Entropie_6[30].Length= 7;
d->Entropie_6[0 ].Code= 8; d->Entropie_6[0 ].Length= 7;
// seventh quantizer
d->Entropie_7[25].Code= 0; d->Entropie_7[25].Length= 5;
d->Entropie_7[37].Code= 1; d->Entropie_7[37].Length= 5;
d->Entropie_7[62].Code= 16; d->Entropie_7[62].Length= 8;
d->Entropie_7[ 0].Code= 17; d->Entropie_7[ 0].Length= 8;
d->Entropie_7[ 3].Code= 9; d->Entropie_7[ 3].Length= 7;
d->Entropie_7[ 5].Code= 10; d->Entropie_7[ 5].Length= 7;
d->Entropie_7[ 6].Code= 11; d->Entropie_7[ 6].Length= 7;
d->Entropie_7[38].Code= 3; d->Entropie_7[38].Length= 5;
d->Entropie_7[35].Code= 4; d->Entropie_7[35].Length= 5;
d->Entropie_7[33].Code= 5; d->Entropie_7[33].Length= 5;
d->Entropie_7[24].Code= 6; d->Entropie_7[24].Length= 5;
d->Entropie_7[27].Code= 7; d->Entropie_7[27].Length= 5;
d->Entropie_7[26].Code= 8; d->Entropie_7[26].Length= 5;
d->Entropie_7[12].Code= 18; d->Entropie_7[12].Length= 6;
d->Entropie_7[50].Code= 19; d->Entropie_7[50].Length= 6;
d->Entropie_7[29].Code= 10; d->Entropie_7[29].Length= 5;
d->Entropie_7[31].Code= 11; d->Entropie_7[31].Length= 5;
d->Entropie_7[36].Code= 12; d->Entropie_7[36].Length= 5;
d->Entropie_7[34].Code= 13; d->Entropie_7[34].Length= 5;
d->Entropie_7[28].Code= 14; d->Entropie_7[28].Length= 5;
d->Entropie_7[49].Code= 30; d->Entropie_7[49].Length= 6;
d->Entropie_7[56].Code= 62; d->Entropie_7[56].Length= 7;
d->Entropie_7[ 7].Code= 63; d->Entropie_7[ 7].Length= 7;
d->Entropie_7[32].Code= 16; d->Entropie_7[32].Length= 5;
d->Entropie_7[30].Code= 17; d->Entropie_7[30].Length= 5;
d->Entropie_7[13].Code= 36; d->Entropie_7[13].Length= 6;
d->Entropie_7[55].Code= 74; d->Entropie_7[55].Length= 7;
d->Entropie_7[61].Code= 150; d->Entropie_7[61].Length= 8;
d->Entropie_7[ 1].Code= 151; d->Entropie_7[ 1].Length= 8;
d->Entropie_7[14].Code= 38; d->Entropie_7[14].Length= 6;
d->Entropie_7[48].Code= 39; d->Entropie_7[48].Length= 6;
d->Entropie_7[ 4].Code= 80; d->Entropie_7[ 4].Length= 7;
d->Entropie_7[58].Code= 81; d->Entropie_7[58].Length= 7;
d->Entropie_7[47].Code= 41; d->Entropie_7[47].Length= 6;
d->Entropie_7[15].Code= 42; d->Entropie_7[15].Length= 6;
d->Entropie_7[16].Code= 43; d->Entropie_7[16].Length= 6;
d->Entropie_7[54].Code= 88; d->Entropie_7[54].Length= 7;
d->Entropie_7[ 8].Code= 89; d->Entropie_7[ 8].Length= 7;
d->Entropie_7[17].Code= 45; d->Entropie_7[17].Length= 6;
d->Entropie_7[46].Code= 46; d->Entropie_7[46].Length= 6;
d->Entropie_7[45].Code= 47; d->Entropie_7[45].Length= 6;
d->Entropie_7[53].Code= 96; d->Entropie_7[53].Length= 7;
d->Entropie_7[ 9].Code= 97; d->Entropie_7[ 9].Length= 7;
d->Entropie_7[43].Code= 49; d->Entropie_7[43].Length= 6;
d->Entropie_7[19].Code= 50; d->Entropie_7[19].Length= 6;
d->Entropie_7[18].Code= 51; d->Entropie_7[18].Length= 6;
d->Entropie_7[44].Code= 52; d->Entropie_7[44].Length= 6;
d->Entropie_7[ 2].Code= 212; d->Entropie_7[ 2].Length= 8;
d->Entropie_7[60].Code= 213; d->Entropie_7[60].Length= 8;
d->Entropie_7[10].Code= 107; d->Entropie_7[10].Length= 7;
d->Entropie_7[42].Code= 54; d->Entropie_7[42].Length= 6;
d->Entropie_7[41].Code= 55; d->Entropie_7[41].Length= 6;
d->Entropie_7[20].Code= 56; d->Entropie_7[20].Length= 6;
d->Entropie_7[21].Code= 57; d->Entropie_7[21].Length= 6;
d->Entropie_7[52].Code= 116; d->Entropie_7[52].Length= 7;
d->Entropie_7[51].Code= 117; d->Entropie_7[51].Length= 7;
d->Entropie_7[40].Code= 59; d->Entropie_7[40].Length= 6;
d->Entropie_7[22].Code= 60; d->Entropie_7[22].Length= 6;
d->Entropie_7[23].Code= 61; d->Entropie_7[23].Length= 6;
d->Entropie_7[39].Code= 62; d->Entropie_7[39].Length= 6;
d->Entropie_7[11].Code= 126; d->Entropie_7[11].Length= 7;
d->Entropie_7[57].Code= 254; d->Entropie_7[57].Length= 8;
d->Entropie_7[59].Code= 255; d->Entropie_7[59].Length= 8;
}
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